1 2010-04-26 Jie Zhang <jie@codesourcery.com>
3 PR tree-optimization/43833
4 * tree-vrp.c (range_int_cst_p): New.
5 (range_int_cst_singleton_p): New.
6 (extract_range_from_binary_expr): Optimize BIT_AND_EXPR case
7 when both operands are constants. Use range_int_cst_p in
10 2010-04-26 Jan Hubicka <jh@suse.cz>
12 * cgraphunit.c (cgraph_copy_node_for_versioning): Fix profile updating.
14 2010-04-26 Richard Guenther <rguenther@suse.de>
17 * gimple.c (gimple_decl_printable_name): Deal gracefully
18 with a NULL DECL_NAME.
20 2010-04-26 Richard Guenther <rguenther@suse.de>
23 * tree.c (free_lang_data_in_type): Do not free TYPE_CONTEXT
24 if emitting debug information and it is either a function
27 2010-04-26 Ira Rosen <irar@il.ibm.com>
29 * tree-vectorizer.h (struct _stmt_vec_info): Add new field to
30 determine if the statement is vectorizable, and a macro to
32 * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
33 Skip statements that can't be vectorized. If the analysis
34 fails, mark the statement as unvectorizable if vectorizing
36 (vect_compute_data_refs_alignment): Likewise.
37 (vect_verify_datarefs_alignment): Skip statements marked as
38 unvectorizable. Add print.
39 (vect_analyze_group_access): Skip statements that can't be
40 vectorized. If the analysis fails, mark the statement as
41 unvectorizable if vectorizing basic block.
42 (vect_analyze_data_ref_accesses, vect_analyze_data_refs):
44 * tree-vect-stmts.c (vectorizable_store): Fix the number of
45 generated stmts for SLP.
46 (new_stmt_vec_info): Initialize the new field.
47 * tree-vect-slp.c (vect_build_slp_tree): Fail to vectorize
48 statements marked as unvectorizable.
50 2010-04-25 Joseph Myers <joseph@codesourcery.com>
52 * c-common.c (flag_isoc1x): New.
53 (flag_isoc99): Update comment.
54 * c-common.h (flag_isoc1x): New.
55 (flag_isoc99): Update comment.
56 * c-cppbuiltin.c (builtin_define_float_constants): Also define
57 __<type>_DECIMAL_DIG__.
58 * c-opts.c (set_std_c1x): New.
59 (c_common_handle_option): Handle -std=c1x and -std=gnu1x.
60 (set_std_c89, set_std_c99): Also set flag_isoc1x to 0.
61 * c.opt (-std=c1x, -std=gnu1x): New options.
62 * doc/cpp.texi: Mention -std=c1x.
63 * doc/cppopts.texi (-std=c1x, -std=gnu1x): Document.
64 * doc/extend.texi: Mention -std=c1x and -std=gnu1x.
65 * doc/invoke.texi (-std=c1x, -std=gnu1x): Document.
66 * doc/standards.texi: Mention C1X.
67 * ginclude/float.h (FLT_DECIMAL_DIG, DBL_DECIMAL_DIG,
68 LDBL_DECIMAL_DIG, FLT_HAS_SUBNORM, DBL_HAS_SUBNORM,
69 LDBL_HAS_SUBNORM, FLT_TRUE_MIN, DBL_TRUE_MIN, LDBL_TRUE_MIN):
72 2010-04-25 Uros Bizjak <ubizjak@gmail.com>
74 * config/i386/gmon-sol2.c (_mcleanup): Change format string
75 placeholder from 0x%x to %#x.
76 * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
77 * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
78 * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
79 * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
80 * config/i386/i386.c (ix86_target_string): Ditto.
81 (output_pic_addr_const): Ditto.
82 (print_operand): Ditto.
84 2010-04-25 Paolo Bonzini <bonzini@gnu.org>
86 * combine.c (find_split_point): Add third argument. Use it
87 to find nested multiply-accumulate instructions. Adjust calls.
88 (try_combine): Adjust call to find_split_point.
90 2010-04-24 Gerald Pfeifer <gerald@pfeifer.com>
92 * doc/contrib.texi (Contributors): Add Dodji Seketeli.
94 2010-04-24 Bernd Schmidt <bernds@codesourcery.com>
96 PR tree-optimization/41442
97 * fold-const.c (merge_truthop_with_opposite_arm): New function.
98 (fold_binary_loc): Call it.
100 2010-04-23 Manuel López-Ibáñez <manu@gcc.gnu.org>
102 * toplev.c (general_init): Set default for fdiagnostics-show-option.
103 * opts.c (common_handle_option): Allow disabling it.
104 * common.opt (fdiagnostics-show-option): Add Var. Enabled by default.
106 2010-04-23 Eric Botcazou <ebotcazou@adacore.com>
108 * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Only use conversion
109 between modes if both types are integral.
111 2010-04-23 Richard Guenther <rguenther@suse.de>
113 PR tree-optimization/43572
114 * tree-tailcall.c (find_tail_calls): Allow PARM_DECL uses.
116 2010-04-23 Richard Guenther <rguenther@suse.de>
119 * tree-inline.c (tree_can_inline_p): Also check compatibility
122 2010-04-23 Martin Jambor <mjambor@suse.cz>
124 PR tree-optimization/43846
125 * tree-sra.c (struct access): New flag grp_assignment_read.
126 (build_accesses_from_assign): Set grp_assignment_read.
127 (sort_and_splice_var_accesses): Propagate grp_assignment_read.
128 (enum mark_read_status): New type.
129 (analyze_access_subtree): Propagate grp_assignment_read, create
130 accesses also if both direct_read and root->grp_assignment_read.
132 2010-04-23 Martin Jambor <mjambor@suse.cz>
135 * tree-sra.c (ipa_sra_preliminary_function_checks): Check that the
136 function does not have type attributes.
138 2010-04-23 Richard Guenther <rguenther@suse.de>
141 * tree.c (free_lang_data_in_decl): Do not reset DECL_CONTEXT
144 2010-04-22 Laurynas Biveinis <laurynas.biveinis@gmail.com>
146 * sese.h (create_if_region_on_edge): Remove.
148 * sese.c (create_if_region_on_edge): Make static.
150 * tree-inline.c: Do not include ggc.h.
152 * expr.c: Do not include ggc.h.
154 * Makefile.in (tree-inline.o, expr.o): Remove $(GGC_H) from
157 2010-04-22 Kaz Kojima <kkojima@gcc.gnu.org>
160 * config/sh/sh.c (find_barrier): Don't emit a constant pool
161 in the middle of insns for casesi_worker_2.
163 2010-04-22 David Edelsohn <edelsohn@gnu.org>
165 * config/rs6000/x-aix: Override LDFLAGS for all COMPILERS.
167 2010-04-22 Ira Rosen <irar@il.ibm.com>
169 PR tree-optimization/43842
170 * tree-vect-loop.c (vect_create_epilog_for_reduction): Handle
171 loop unrolling in update of exit phis. Fix comment.
172 * tree-vect-slp.c (vect_analyze_slp): Check that there are at
173 least two reduction statements in the loop before starting SLP
176 2010-04-22 Nick Clifton <nickc@redhat.com>
178 * config/stormy16/stormy16-lib2.c (__ucmpsi2): Fix thinko.
180 2010-04-22 Alexander Monakov <amonakov@ispras.ru>
182 * tree-ssa-reassoc.c (eliminate_plus_minus_pair): Handle BIT_NOT_EXPR
185 2010-04-22 Laurynas Biveinis <laurynas.biveinis@gmail.com>
187 * tree-parloops.c (loop_parallel_p): New argument
188 parloop_obstack. Pass it down.
189 (parallelize_loops): New variable parloop_obstack. Initialize it,
190 pass it down, free it.
192 * tree-loop-linear.c (linear_transform_loops): Pass down
195 * tree-data-ref.h (lambda_compute_access_matrices): New argument
196 of type struct obstack *.
198 * tree-data-ref.c (analyze_subscript_affine_affine): New variable
199 scratch_obstack. Initialize it, pass down, free it.
201 * lambda.h (lambda_loop_new): Remove.
202 (lambda_matrix_new, lambda_matrix_inverse)
203 (lambda_trans_matrix_new, lambda_trans_matrix_inverse): New
204 argument of type struct obstack *.
206 * lambda-trans.c (lambda_trans_matrix_new): New argument
207 lambda_obstack. Pass it down, use obstack allocation for ret.
208 (lambda_trans_matrix_inverse): New argument lambda_obstack. Pass
211 * lambda-mat.c (lambda_matrix_get_column)
212 (lambda_matrix_project_to_null): Remove.
213 (lambda_matrix_new): New argument lambda_obstack. Use obstack
215 (lambda_matrix_inverse_hard, lambda_matrix_inverse): New argument
218 * lambda-code.c (lambda_loop_new): New function.
219 (lambda_lattice_new, compute_nest_using_fourier_motzkin)
220 (lambda_compute_auxillary_space, lambda_compute_target_space)
221 (lambda_loopnest_transform, gcc_loop_to_lambda_loop)
222 (lambda_loopnest_to_gcc_loopnest): Pass down lambda_obstack.
223 (build_access_matrix): New argument lambda_obstack. Use obstack
225 (lambda_compute_step_signs, lambda_compute_access_matrices): New
226 argument lambda_obstack. Pass it down.
228 2010-04-22 Bernd Schmidt <bernds@codesourcery.com>
230 * optabs.h (expand_widening_mult): Declare.
232 2010-04-22 Richard Guenther <rguenther@suse.de>
234 PR tree-optimization/43845
235 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Properly
236 lookup the CALL_EXPR function and arguments.
238 2010-04-22 Nick Clifton <nickc@redhat.com>
240 * config/stormy16/stormy16.c
241 (xstormy16_asm_output_aligned_common): Handle a NULL decl parameter.
242 * config/stormy16/stormy16.h: Tidy up formatting.
243 (DONT_USE_BUILTIN_SETJMP): Remove definition.
244 * config/stormy16/stormy16.c (cbranchsi4): Delete pattern.
245 (ineqbranchsi): Delete pattern.
246 * config/stormy16/stormy16-lib2-ucmpsi2.c: New file.
247 * config/stormy16/stormy16-lib2.c (__ucmpsi2): New function.
248 * config/stormy16/t-stormy16 (LIB2FUNCS_EXTRA): Add
249 stormy16-lib2-ucmpsi2.c.
251 2010-04-22 Bernd Schmidt <bernds@codesourcery.com>
253 * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs and
254 df_simulate_find_noclobber_defs as appropriate. Keep track of an
255 extra set merge_set_noclobber, and use it to relax the final test
257 * df.h (df_simulate_find_noclobber_defs): Declare.
258 * df-problems.c (df_simulate_find_defs): Don't ignore partial or
260 (df_simulate_find_noclobber_defs): New function.
262 2010-04-22 Uros Bizjak <ubizjak@gmail.com>
264 * config/i386/i386.md: Use {} around multi-line preparation statements.
266 2010-04-22 Laurynas Biveinis <laurynas.biveinis@gmail.com>
268 * c-tree.h (push_init_level, pop_init_level, set_init_index)
269 (process_init_element): New argument of type struct obstack *.
271 * c-typeck.c (push_init_level, pop_init_level, set_designator)
272 (set_init_index, set_init_label, set_nonincremental_init)
273 (set_nonincremental_init_from_string, find_init_member)
274 (output_init_element, output_pending_init_elements)
275 (process_init_element): New argument braced_init_obstack. Pass it
277 (push_range_stack, add_pending_init): New argument
278 braced_init_obstack. Use obstack allocation.
280 * c-parser.c (c_parser_initelt, c_parser_initval): New argument
281 braced_init_obstack. Pass it down.
282 (c_parser_braced_init): New variables ret, braced_init_obstack.
283 Initialize obstack, pass it down and finally free it.
285 2010-04-22 Bernd Schmidt <bernds@codesourcery.com>
288 * tree-pass.h (pass_optimize_widening_mul): Declare.
289 * tree-ssa-math-opts.c (execute_optimize_widening_mul,
290 gate_optimize_widening_mul): New static functions.
291 (pass_optimize_widening_mul): New.
292 * expr.c (expand_expr_real_2) <case WIDEN_MULT_EXPR>: New case.
293 <case MULT_EXPR>: Remove support for widening multiplies.
294 * tree.def (WIDEN_MULT_EXPR): Tweak comment.
295 * cfgexpand.c (expand_debug_expr) <case WIDEN_MULT_EXPR>: Use
296 simplify_gen_unary rather than directly building extensions.
297 * tree-cfg.c (verify_gimple_assign_binary): Add tests for
299 * expmed.c (expand_widening_mult): New function.
300 * passes.c (init_optimization_passes): Add pass_optimize_widening_mul.
302 2010-04-21 Jan Hubicka <jh@suse.cz>
304 * timevar.def (TV_WHOPR_WPA_FIXUP): Remove.
305 * lto-section-in.c (lto_section_name): Remove wpa_fixup.
306 * lto-wpa-fixup.c: Remove.
307 * Makefile.in (lto-wpa-fixup.o): Remove.
308 * passes.c (init_optimization_passes): Remove pass_ipa_lto_wpa_fixup.
309 (execute_all_ipa_transforms): Set cgraph_state to CGRAPH_STATE_IPA_SSA.
310 * lto-streamer.c (lto_get_section_name): Remove wpa_fixup section.
312 2010-04-21 Jan Hubicka <jh@suse.cz>
314 * tree-pass.h (ipa_opt_pass_d): Rename function_read_summary;
315 add write_optimization_summary, read_optimization_summary.
316 (ipa_write_summaries_of_cgraph_node_set): Remove.
317 (ipa_write_optimization_summaries): Declare.
318 (ipa_read_optimization_summaries): Declare.
319 * ipa-cp.c (pass_ipa_cp): Update.
320 * ipa-reference.c (pass_ipa_reference): Update.
321 * ipa-pure-const.c (pass_ipa_pure_const): Update.
322 * lto-streamer-out.c (pass_ipa_lto_gimple, pass_ipa_lto_finish):
324 * ipa-inline.c (pass_ipa_inline): Update.
325 * ipa.c (pass_ipa_whole_program): Update.
326 * lto-wpa-fixup.c (pass_ipa_lto_wpa_fixup): Update.
327 * passes.c (ipa_write_summaries_1): Do not test wpa.
328 (ipa_write_optimization_summaries_1): New.
329 (ipa_write_optimization_summaries): New.
330 (ipa_read_summaries): Do not test ltrans.
331 (ipa_read_optimization_summaries_1): New.
332 (ipa_read_optimization_summaries): New.
334 2010-04-21 Jan Hubicka <jh@suse.cz>
336 * lto-cgraph.c (lto_output_node): Do not output comdat groups
338 (output_cgraph): Do not arrange comdat groups for boundary nodes.
340 2010-04-21 Jakub Jelinek <jakub@redhat.com>
343 * dwarf2out.c (add_name_and_src_coords_attributes): Add
344 DW_AT_{,MIPS_}linkage_name even for Fortran decls.
346 2010-04-21 Jan Hubicka <jh@suse.cz>
348 * ipa-prop.c (ipa_edge_removal_hook): Check for bounds.
350 2010-04-21 Jan Hubicka <jh@suse.cz>
352 * varpool.c (decide_is_variable_needed): Variable is always needed
355 2010-04-21 Jan Hubicka <jh@suse.cz>
357 * opts.c (decode_options): Enable pure-const pass for whopr.
359 2010-04-21 Jan Hubicka <jh@suse.cz>
361 * cgraph.c (dump_cgraph_node): Dump also assembler name.
362 * ipa-inline.c (cgraph_decide_inlining_of_small_functions): Do not ice
364 (cgraph_decide_inlining): Do not expect callee to be removed in all
367 2010-04-21 Eric B. Weddington <eric.weddington@atmel.com>
369 * config/avr/avr-devices.c (avr_mcu_types): Add missing comma.
371 2010-04-21 Uros Bizjak <ubizjak@gmail.com>
373 * config/i386/i386.md (x86_shrd): Add athlon_decode and
374 amdfam10_decode attributes.
376 2010-04-21 Jakub Jelinek <jakub@redhat.com>
379 * omp-low.c (scan_sharing_clauses): Don't scan_omp_op
380 OMP_CLAUSE_DECL for OMP_CLAUSE_COPYPRIVATE.
381 (lower_copyprivate_clauses): Use private var in outer
382 context instead of original var. Make sure the types
383 are correct for VLAs.
385 2010-04-21 Richard Guenther <rguenther@suse.de>
387 * tree-ssa-structalias.c (do_ds_constraint): Avoid escaping
388 to non-pointer objects.
390 2010-04-21 Jakub Jelinek <jakub@redhat.com>
392 * dwarf2out.c (add_var_loc_to_decl): Add LABEL argument. Drop
393 last chain entry if it starts with the still current label.
394 (add_location_or_const_value_attribute): Check that
395 loc_list->first->next is NULL instead of comparing ->first with ->last.
396 (dwarf2out_var_location): Pass last_label resp. last_postcall_label
397 to add_var_loc_to_decl.
399 * dwarf2out.c (output_call_frame_info): For dw_cie_version
400 >= 4 add also address size and segment size fields into CIE header.
402 * unwind-dw2.c (extract_cie_info): Handle CIE version 4, as
403 long as address size is the same as sizeof (void *) and
405 * unwind-dw2-fde.c (get_cie_encoding): Likewise. If
406 address size or segment size is unexpected, return DW_EH_PE_omit.
407 (classify_object_over_fdes): If get_cie_encoding returned
408 DW_EH_PE_omit, return -1.
409 (init_object): If classify_object_over_fdes returned -1,
410 pretend there were no FDEs at all.
412 2010-04-21 Uros Bizjak <ubizjak@gmail.com>
414 * config/i386/i386.md (bswap<mode>2): Macroize expander from
415 bswap{si,di}2 using SWI48 mode iterator.
416 (*bswap<mode>2_movbe): Macroize insn from *bswap{si,di}_movbe using
417 SWI48 mode iterator. Set type attribute of bswap insn to bitmanip,
418 set modrm attribute of bswap insn to 0 and remove length attribute.
419 (*bswap<mode>2_1): Macroize insn from *bswap{si,di}_1 using SWI48 mode
420 iterator. Set type attribute to bitmanip, set modrm attribute to 0,
421 set mode attribute to <MODE> and remove length attribute.
423 2010-04-20 James E. Wilson <wilson@codesourcery.com>
425 PR rtl-optimization/43520
426 * ira-lives.c (ira_implicitly_set_insn_hard_regs): Exclude classes with
427 zero available registers.
429 2010-04-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
431 * builtins.c (fold_builtin_cproj): Fold more cases.
433 2010-04-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
435 * builtins.c (build_complex_cproj, fold_builtin_cproj): New.
436 (fold_builtin_1): Fold builtin cproj.
437 * builtins.def (BUILT_IN_CPROJ, BUILT_IN_CPROJF, BUILT_IN_CPROJL):
438 Use ATTR_CONST_NOTHROW_LIST.
440 2010-04-20 Uros Bizjak <ubizjak@gmail.com>
442 * config/i386/i386.md (ffs<mode>2): Macroize expander from ffs_cmove
443 and ffsdi2 using SWI48 mode iterator. Expand SImode insn through
444 ffsi2_no_cmove for !TARGET_CMOVE.
445 (ffssi2_no_cmove): Rename from *ffs_no_cmove. Make public.
446 (ffssi2): Remove expander.
447 (*ffs<mode>_1): Macroize insn from *ffs{si,di} using SWI48
449 (ctz<mode>2): Ditto from ctz{si,di}2.
450 (clz<mode>2): Macroize expander from ctz{hi,si,di}2 using SWI248
452 (clz<mode>2_abm): Macroize insn from clz{hi,si,di}2_abm using SWI248
455 2010-04-20 Jakub Jelinek <jakub@redhat.com>
457 * dwarf2out.c (AT_linkage_name): Define.
458 (clone_as_declaration): Handle DW_AT_linkage_name.
459 (add_name_and_src_coords_attributes): Use AT_linkage_name instead
460 of DW_AT_MIPS_linkage_name.
461 (move_linkage_attr): Likewise.
462 (dwarf2out_finish): Likewise.
464 2010-04-20 Xinliang David Li <davidxl@gcc.gnu.org>
467 * fold-const.c (fold_comparison): New folding rule.
469 2010-04-20 Anatoly Sokolov <aesok@post.ru>
471 * double-int.h (double_int_setbit): Declare.
472 * double-int.c (double_int_setbit): New function.
473 * rtl.h (immed_double_int_const): Declare.
474 * emit-rtl.c (immed_double_int_const): New function.
475 * builtins.c (expand_builtin_signbit): Clean up, use double_int_*
476 and immed_double_int_const functions.
477 * optabs.c (expand_absneg_bit, expand_copysign_absneg,
478 expand_copysign_bit): (Ditto.).
479 * simplify-rtx.c (simplify_binary_operation_1): (Ditto.).
480 * tree-ssa-address.c (addr_for_mem_ref): (Ditto.).
481 * dojump.c (prefer_and_bit_test): (Ditto.).
482 * expr.c (convert_modes, reduce_to_bit_field_precision,
483 const_vector_from_tree): (Ditto.).
484 * expmed.c (mask_rtx, lshift_value): (Ditto.).
486 2010-04-20 Jan Hubicka <jh@suse.cz>
488 * cgraph.c (cgraph_remove_node): Kill bodies in other partitoin.
489 (dump_cgraph_node): Dump new flags.
490 * cgraph.h (struct cgraph_node): Add flags
491 reachable_from_other_partition and in_other_partition.
492 (cgraph_can_remove_if_no_direct_calls_p): Functions used by
493 other partition can not be removed.
494 * cgraphunit.c (cgraph_mark_functions_to_output): Functions used by
495 the other partition must be output; silence sanity checking on
496 leaking functions bodies from other paritition.
497 * lto-cgraph.c (reachable_from_other_partition_p): New function.
498 (lto_output_node): Output new flags; do not sanity check that inline
499 clones are output; drop lto_forced_extern_inline_p code; do not mock
500 visibility flags at partition boundaries.
501 (add_node_to): New function.
502 (output_cgraph): Use it to sort functions so masters appear before
504 (input_overwrite_node): Input new flags.
505 * passes.c (ipa_write_summaries): Do not call
506 lto_new_extern_inline_states.
507 * lto-section-out.c (forced_extern_inline, lto_new_extern_inline_states,
508 lto_delete_extern_inline_states, lto_force_functions_extern_inline,
509 lto_forced_extern_inline_p): Kill.
510 * lto-streamer.h (lto_new_extern_inline_states,
511 * lto_delete_extern_inline_states, lto_force_functions_extern_inline,
512 lto_forced_extern_inline_p): Kill.
514 2010-04-20 Richard Guenther <rguenther@suse.de>
516 * tree-ssa-structalias.c (do_sd_constraint): Add edges only
517 from vars that can have pointers.
518 (process_constraint): Dump useless constraints.
520 2010-04-20 Richard Guenther <rguenther@suse.de>
522 * tree-ssa-structalias.c (do_structure_copy): Properly handle DEREF.
523 (dump_sa_points_to_info): Remove asserts.
524 (init_base_vars): nothing_id isn't an escape point nor does it
527 2010-04-20 Jakub Jelinek <jakub@redhat.com>
529 * tree.h (TYPE_REF_IS_RVALUE): Define.
530 * dwarf2out.c (attr_checksum_ordered, is_type_die, is_comdat_die,
531 should_move_die_to_comdat, prune_unused_types_walk): Handle
532 DW_TAG_rvalue_reference_type like DW_TAG_reference_type.
533 (modified_type_die, gen_reference_type_die): Emit
534 DW_TAG_rvalue_reference_type instead of DW_TAG_reference_type
535 if TYPE_REF_IS_RVALUE and -gdwarf-4.
537 2010-04-20 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
540 * config/s390/s390.c (s390_emit_call): Turn direct into indirect
541 calls for -fpic -m31 if they have been sibcall optimized.
543 2010-04-19 James E. Wilson <wilson@codesourcery.com>
545 * config/ia64/ia64.h (FIXED_REGISTERS, CALL_USED_REGISTERS): Make
546 ar.lc fixed and call-used.
548 * config/ia64/ia64.c (TARGET_INVALID_WITHIN_DOLOOP): Define.
550 2010-04-19 Jan Hubicka <jh@suse.cz>
552 * opts.c (decode_options): Disable whpr incompatible passes.
553 * lto/lto.c (lto_1_to_1_map): Skip clones.
554 (read_cgraph_and_symbols): Do not mark everything as needed.
555 (do_whole_program_analysis): Do map only after optimizing;
556 set proper cgraph_state; use passmanager.
558 2010-04-19 DJ Delorie <dj@redhat.com>
560 * cfgexpand.c (expand_debug_expr): Check for mismatched modes in
561 POINTER_PLUS_EXPR and fix them.
563 2010-04-19 Eric B. Weddington <eric.weddington@atmel.com>
565 * config/avr/avr-devices.c (avr_mcu_types): Add support for new
566 devices atmega644pa, attiny2313a, attiny24a, attiny261a, attiny4313,
567 attiny44a, attiny861a, atmega16a, atmega168a, atmega164a, atmega165a,
568 atmega169a, atmega169pa, atmega16hva2, atmega324a, atmega324pa,
569 atmega325a, atmega3250a, atmega328, atmega329a, atmega329pa,
570 atmega3290a, atmega48a, atmega644a, atmega645a, atmega645p,
571 atmega6450a, atmega6450p, atmega649a, atmega649p, atmega6490a,
572 atmega6490p, atmega64hve, atmega88a, atmega88pa, attiny461a, attiny84a,
573 m3000. Remove support for devices atmega8m1, atmega8c1, atmega16c1,
574 atmega4hvd, atmega8hvd, attiny327, m3000f, m3000s, m3001b.
575 * config/avr/t-avr.c (MULTILIB_MATCHES): Same.
577 2010-04-19 Eric Botcazou <ebotcazou@adacore.com>
579 * ifcvt.c (noce_try_cmove_arith): Fix long lines.
580 (check_cond_move_block): Likewise.
581 (cond_move_process_if_block): Likewise.
582 (noce_find_if_block): Improve formatting.
583 (find_if_header): Pass 0 to memset and tweak conditions.
584 (cond_exec_find_if_block): Fix long lines and tweak conditions.
586 2010-04-19 Jakub Jelinek <jakub@redhat.com>
588 * dwarf2out.c (lower_bound_default): For DW_LANG_Python return 0
592 * tree-nested.c (convert_nonlocal_omp_clauses): OMP_CLAUSE_PRIVATE
593 with non-local decl doesn't need chain.
595 2010-04-19 Vladimir Makarov <vmakarov@redhat.com>
597 * ira-color.c (allocno_reload_assign): Avoid accumulating
598 reload registers in ALLOCNO_TOTAL_CONFLICT_HARD_REGS.
600 2010-04-19 Martin Jambor <mjambor@suse.cz>
602 * gimple.h (create_tmp_reg): Declare.
603 * gimplify.c (create_tmp_reg): New function.
604 (gimplify_return_expr): Use create_tmp_reg.
605 (gimplify_omp_atomic): Likewise.
606 (gimple_regimplify_operands): Likewise.
607 * tree-dfa.c (make_rename_temp): Likewise.
608 * tree-predcom.c (predcom_tmp_var): Likewise.
609 (reassociate_to_the_same_stmt): Likewise.
610 * tree-sra.c (replace_uses_with_default_def_ssa_name): Likewise.
611 (get_replaced_param_substitute): Likewise.
612 * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
613 * tree-ssa-phiopt.c (cond_store_replacement): Likewise.
614 * tree-ssa-pre.c (get_representative_for): Likewise.
615 (create_expression_by_pieces): Likewise.
616 * tree-tailcall.c (adjust_return_value_with_ops): Likewise.
617 (create_tailcall_accumulator): Likewise.
619 2010-04-19 Martin Jambor <mjambor@suse.cz>
621 * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Update
623 (cgraph_materialize_all_clones): Assert !need_ssa_update_p.
625 2010-04-19 Richard Guenther <rguenther@suse.de>
627 PR tree-optimization/43796
628 * tree-vrp.c (adjust_range_with_scev): Lookup init and step
629 from SCEV in the lattice.
630 (vrp_visit_phi_node): Dump change.
632 2010-04-19 Richard Guenther <rguenther@suse.de>
634 * configure.ac: Fix quoting around elf_getshstrndx ABI check.
635 * configure: Re-generated.
637 2010-04-19 Richard Guenther <rguenther@suse.de>
639 PR tree-optimization/43783
640 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Drop
641 constant ARRAY_REF operands two and three if possible.
643 2010-04-19 Uros Bizjak <ubizjak@gmail.com>
646 * config/i386/i386.c (ix86_decompose_address): Handle ASHIFT addends.
648 2010-04-19 Jie Zhang <jie@codesourcery.com>
651 * reginfo.c (reinit_regs): Set caller_save_initialized_p to false.
653 2010-04-19 Ira Rosen <irar@il.ibm.com>
655 PR tree-optimization/37027
656 * tree-vectorizer.h (struct _loop_vec_info): Add new field reductions
657 and macro to access it.
658 (vectorizable_reduction): Add argument.
659 (vect_get_slp_defs): Likewise.
660 * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Collect reduction
661 statements for possible use in SLP.
662 (new_loop_vec_info): Initialize LOOP_VINFO_REDUCTIONS.
663 (destroy_loop_vec_info): Free LOOP_VINFO_REDUCTIONS.
664 (vect_create_epilog_for_reduction): Handle SLP. Modify documentation,
666 (vectorizable_reduction): Likewise.
667 * tree-vect-stmts.c (vect_get_vec_defs): Update call to
669 (vectorizable_type_demotion, vectorizable_type_promotion,
670 vectorizable_store): Likewise.
671 (vect_analyze_stmt): Update call to vectorizable_reduction.
672 (vect_transform_stmt): Likewise.
673 * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle reduction.
674 (vect_build_slp_tree): Fix indentation. Check that there are no loads
675 from different interleaving chains in same node.
676 (vect_slp_rearrange_stmts): New function.
677 (vect_supported_load_permutation_p): Allow load permutations for
678 reductions. Call vect_slp_rearrange_stmts() to rearrange statements
679 inside SLP nodes if necessary.
680 (vect_analyze_slp_instance): Handle reductions.
681 (vect_analyze_slp): Try to build SLP instances originating from groups
683 (vect_detect_hybrid_slp_stmts): Skip reduction statements.
684 (vect_get_constant_vectors): Create initial vectors for reductions
685 according to reduction code. Add new argument.
686 (vect_get_slp_defs): Add new argument, pass it to
687 vect_get_constant_vectors.
688 (vect_schedule_slp_instance): Remove SLP tree root statements.
690 2010-04-19 Jakub Jelinek <jakub@redhat.com>
692 * tree.h (ENUM_IS_SCOPED): Define.
693 * dwarf2out.c (gen_enumeration_type_die): Add DW_AT_enum_class
694 for ENUM_IS_SCOPED enums.
696 2010-04-18 Eric Botcazou <ebotcazou@adacore.com>
698 * fold-const.c (fold_comparison): Use ssizetype.
699 * gimple-fold.c (maybe_fold_offset_to_array_ref): Likewise.
700 * ipa-prop.c (ipa_modify_call_arguments): Use sizetype.
701 * tree-loop-distribution.c (build_size_arg_loc): Likewise.
702 * tree-object-size.c (compute_object_sizes): Use size_type_node.
704 * tree.h (initialize_sizetypes): Remove parameter.
705 (build_common_tree_nodes): Remove second parameter.
706 * stor-layout.c (initialize_sizetypes): Remove parameter.
707 Always create an unsigned type.
708 (set_sizetype): Assert that the passed type is unsigned and simplify.
709 * tree.c (build_common_tree_nodes): Remove second parameter.
710 Adjust call to initialize_sizetypes.
711 * c-decl.c (c_init_decl_processing): Remove second argument in call to
712 build_common_tree_nodes.
714 2010-04-18 Matthias Klose <doko@ubuntu.com>
716 * gcc.c (main): Search for liblto_plugin.so with mode R_OK.
718 2010-04-18 Ira Rosen <irar@il.ibm.com>
720 PR tree-optimization/43771
721 * tree-vect-slp.c (vect_supported_load_permutation_p): Check that
722 load permutation doesn't have gaps.
724 2010-04-18 Jan Hubicka <jh@suse.cz>
726 * i386.md (UNSPEC_SSE_PROLOGUE_SAVE_LOW): New.
727 (sse_prologue_save_insn expander): Use new pattern.
728 (sse_prologue_save_insn1): New pattern and splitter.
729 (sse_prologue_save_insn): Update to deal also with 64bit aligned
731 * i386.c (setup_incoming_varargs_64): Do not compute jump
733 (ix86_gimplify_va_arg): Update alignment needed.
734 (ix86_local_alignment): Do not align all local arrays to 128bit.
736 2010-04-17 Jan Hubicka <jh@suse.cz>
738 * ipa-inline.c (cgraph_early_inlining): Handle flattening too.
740 2010-04-17 Richard Earnshaw <rearnsha@arm.com>
742 * arm.md (negdi2): Remove redundant code to force values into a
745 2010-04-17 Richard Earnshaw <rearnsha@arm.com>
747 * arm/bpabi.S: Add EABI alignment attributes to objects.
748 * arm/bpabi-v6m.S: Likewise.
749 * arm/crti.asm: Likewise.
750 * arm/crtn.asm: Likewise.
751 * arm/lib1funcs.asm: Likewise.
752 * arm/libunwind.S: Likewise.
754 2010-04-17 Richard Earnshaw <rearnsha@arm.com>
756 * arm-protos.h (tune_params): New structure.
757 * arm.c (current_tune): New variable.
758 (arm_constant_limit): Delete.
759 (struct processors): Add pointer to the tune parameters.
760 (arm_slowmul_tune): New tuning option.
761 (arm_fastmul_tune, arm_xscale_tune, arm_9e_tune): Likewise.
762 (all_cores): Adjust to pick up the tuning model.
763 (arm_constant_limit): New function.
764 (arm_override_options): Select the appropriate tuning model. Delete
765 initialization of arm_const_limit.
766 (arm_split_constant): Use the new constant-limit model.
767 (arm_rtx_costs): Pick up the current tuning model.
768 * arm.md (is_strongarm, is_xscale): Delete.
769 * arm-generic.md (load_ldsched_x, load_ldsched): Test explicitly
770 for Xscale variant architectures.
771 (mult_ldsched_strongarm, mult_ldsched): Similarly for StrongARM.
773 2010-04-17 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
775 * config/arm/arm.c (arm_gen_constant): Remove unused variable
777 (arm_rtx_costs_1): Remove unused variable extra_cost.
778 (arm_unwind_emit_set): Use variable offset.
779 (thumb1_output_casesi): Remove unused variable flags.
781 2010-04-16 Jeff Law <law@redhat.com>
783 * ira-color.c (ira_reassign_pseudos): Collect and sort all the pseudos
784 needing assignment rather than doing a two-phase assignment. Remove
787 2010-04-16 Jakub Jelinek <jakub@redhat.com>
790 * alias.c (memrefs_conflict_p): Don't crash if CSELIB_VAL_PTR is NULL.
792 2010-04-16 Doug Kwan <dougkwan@google.com>
794 * tree-ssa-reassoc.c (struct operand_entry): Add new field ID.
795 (next_operand_entry_id): New static variable.
796 (sort_by_operand_rank): Stabilize qsort comparator by using unique IDs.
797 (add_to_ops_vec): Assigned unique ID to operand entry.
798 (struct oecount_s): New field ID.
799 (oecount_cmp): Stabilize qsort comparotor by using unique IDs.
800 (undistribute_ops_list): Assign unique IDs to oecounts.
801 (init_reassoc): reset next_operand_entry_id.
803 2010-04-16 Doug Kwan <dougkwan@google.com>
805 * config/i386/i386.md (*jcc_bt<mode>): Fix build breakage by adding
806 missing left parenthesis.
808 2010-04-16 Uros Bizjak <ubizjak@gmail.com>
810 * config/i386/i386.md (*bt<mode>): Macroize insn from *btsi and
811 *btdi_rex64 using SWI48 mode iterator.
812 (*jcc_bt<mode>): Ditto from *jcc_btsi and *jcc_btdi_rex64.
813 (*jcc_bt<mode>_mask): Ditto from *jcc_btsi_mask and
814 *jcc_btdi_mask_rex64.
816 2010-04-16 Anatoly Sokolov <aesok@post.ru>
818 * double-int.h (tree_to_double_int): Convert to macro.
819 * double-int.c (tree_to_double_int): Remove.
821 2010-04-16 Jakub Jelinek <jakub@redhat.com>
824 * dwarf2out.c (add_bound_info): Always call loc_list_from_tree
825 with want_address 2 and in case a single element list might be
826 possible, call it again with want_address 0.
828 2010-04-12 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
830 * config/h8300/h8300.c (print_operand) : Modify case 'V' and
831 case 'W' print operands for HI mode.
832 * config/h8300/h8300.h (Y0, Y2) : New constraints.
833 * config/h8300/h8300.md (bclrqi_msx, bclrhi_msx): New patterns
834 (bsetqi_msx, bsethi_msx, bnotqi_msx, bnothi_msx): Likewise.
835 * config/h8300/predicate.md (bit_register_indirect_operand): New.
837 * config/h8300/h8300.h (OK_FOR_U): Support 'U' constraint for H8300SX.
839 * config/h8300/h8300.md (movqi_h8sx, movhi_h8sx, movsi_h8sx,
840 cmphi_h8300hs_znvc, cmpsi, addhi3_h8sx) : Emit instructions in
841 #xx:3 and #xx:4 mode.
843 * config/h8300/h8300.md (inverted load with HImode dest): Add
846 * config/h8300/predicate.md (bit_operand): Allow immediate values that
847 satisfy 'U' constraint.
849 2010-04-16 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
851 * configure.ac: Check for elf_getshdrstrndx or elf_getshstrndx flavor.
852 * configure: Regenerate.
853 * config.in: Regenerate.
854 * doc/install.texi (Prerequisites): Document that Solaris 2 libelf
857 2010-04-16 Richard Guenther <rguenther@suse.de>
859 * tree.h (struct tree_decl_minimal): Move pt_uid ...
860 (struct tree_decl_common): ... here.
861 (DECL_PT_UID): Adjust.
862 (SET_DECL_PT_UID): Likewise.
863 (DECL_PT_UID_SET_P): Likewise.
865 2010-04-16 Richard Guenther <rguenther@suse.de>
867 PR tree-optimization/43572
868 * tree-ssa-alias.h (call_may_clobber_ref_p): Declare.
869 * tree-ssa-alias.c (call_may_clobber_ref_p): Export.
870 * tree-flow.h (is_call_clobbered): Remove.
871 * tree-flow-inline.h (is_call_clobbered): Likewise.
872 * tree-dfa.c (dump_variable): Do not dump call clobber state.
873 * tree-nrv.c (dest_safe_for_nrv_p): Use the alias oracle.
874 (execute_return_slot_opt): Adjust.
875 * tree-tailcall.c (suitable_for_tail_opt_p): Remove
876 check for call clobbered vars here.
877 (find_tail_calls): Move tailcall verification to the
880 2010-04-16 Diego Novillo <dnovillo@google.com>
882 * doc/invoke.texi: Explain how are unrecognized -Wno- warnings handled.
884 2010-04-16 Bernd Schmidt <bernds@codesourcery.com>
887 * config/arm/arm.md (cbranchqi4): New pattern.
888 * config/arm/predicates.md (const0_operand,
889 cbranchqi4_comparison_operator): New predicates.
891 2010-04-16 Richard Guenther <rguenther@suse.de>
893 * gimple-pretty-print.c (dump_gimple_phi): Dump alias info.
894 (dump_gimple_stmt): Likewise.
896 2010-04-16 Bernd Schmidt <bernds@codesourcery.com>
898 * recog.h (struct recog_data): New field is_operator.
899 (struct insn_operand_data): New field is_operator.
900 * recog.c (extract_insn): Set recog_data.is_operator.
901 * genoutput.c (output_operand_data): Emit code to set the
903 * reload.c (find_reloads): Use it rather than testing for an
904 empty constraint string.
907 * config/arm/arm.md (cbranchsi4_insn): Renamed from "*cbranchsi4_insn".
908 If the previous insn is a cbranchsi4_insn with the same arguments,
909 omit the compare instruction.
911 * config/arm/arm.md (addsi3_cbranch): If destination is a high
912 register, inputs must be low registers and we need a low register
913 scratch. Handle alternative 2 like alternative 3.
915 2010-04-16 Jakub Jelinek <jakub@redhat.com>
917 * alias.c (memrefs_conflict_p): If x and y are the same VALUE,
918 don't call get_addr on both. If one expression is a VALUE and
919 the other a REG, check VALUE's locs if the REG isn't among them.
921 2010-04-16 Christian Bruel <christian.bruel@st.com>
923 * config/sh/sh.h (sh_frame_pointer_required): New function.
924 * config/sh/sh.h (TARGET_FRAME_POINTER_REQUIRED): New macro.
925 (flag_omit_frame_pointer) Set.
926 (MASK_ACCUMULATE_OUTGOING_ARGS) Define and Set.
927 (rounded_frame_size): Adjust size with outgoing_args_size.
928 (sh_set_return_address): Must return from stack pointer.
929 * gcc/config/sh/sh.h (CAN_DEBUG_WITHOUT_FP): Define.
930 (SUBTARGET_FRAME_POINTER_REQUIRED): Define.
931 (ACCUMULATE_OUTGOING_ARGS): Define.
932 * doc/invoke.texi (maccumulate-outgoing-args): Document for SH.
933 * gcc/config/sh/sh.opt: (maccumulate-outgoing-args): New option.
935 2010-04-15 Kaz Kojima <kkojima@gcc.gnu.org>
938 * config/sh/sh.c (sh_legitimize_reload_address): Use
939 MAYBE_BASE_REGISTER_RTX_P instead of BASE_REGISTER_RTX_P.
940 Remove a unneeded check for offset_base.
942 2010-04-15 H.J. Lu <hongjiu.lu@intel.com>
944 * configure: Regenerated.
946 2010-04-15 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
948 * config/s390/s390.c (s390_call_save_register_used): Switch back
951 2010-04-15 Richard Guenther <rguenther@suse.de>
953 * alias.c (alias_set_subset_of): Handle alias-set zero
956 2010-04-15 Mark Shinwell <shinwell@codesourcery.com>
957 Julian Brown <julian@codesourcery.com>
959 * config/arm/thumb2.md (thumb2_movsi_insn): Split ldr and str
960 alternatives according to use of high and low regs.
961 * config/arm/vfp.md (thumb2_movsi_vfp): Likewise.
962 * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Use high regs when
963 optimizing for size on Thumb-2.
965 2010-04-15 Thomas Schwinge <tschwinge@gnu.org>
967 * config.gcc <i[34567]86-*-gnu*>: Handle softfp as for Linux.
969 2010-04-15 Richard Guenther <rguenther@suse.de>
971 * tree-ssa-structalias.c (struct variable_info): Add
973 (new_var_info): Initialize it.
974 (dump_constraints): Support printing last added constraints.
975 (debug_constraints): Adjust.
976 (dump_constraint_graph): Likewise.
977 (make_heapvar_for): Check for NULL cfun.
978 (get_function_part_constraint): New function.
979 (get_fi_for_callee): Likewise.
980 (find_func_aliases): Properly implement IPA PTA constraints.
981 (process_ipa_clobber): New function.
982 (find_func_clobbers): Likewise.
983 (insert_into_field_list_sorted): Remove.
984 (create_function_info_for): Properly allocate vars for IPA mode.
985 Do not use insert_into_field_list_sorted.
986 (create_variable_info_for): Properly generate constraints for
987 global vars in IPA mode.
988 (dump_solution_for_var): Always dump the solution.
989 (set_uids_in_ptset): Initialize DECL_PT_UID if in ipa-mode.
990 (find_what_var_points_to): Adjust.
991 (pt_solution_set): Change.
992 (pt_solution_ior_into): New function.
993 (pt_solution_empty_p): Export.
994 (pt_solution_includes_global): Adjust.
995 (pt_solution_includes_1): Likewise.
996 (pt_solutions_intersect_1): Likewise.
997 (dump_sa_points_to_info): Check some invariants.
998 (solve_constraints): Move constraint dumping ...
999 (compute_points_to_sets): ... here.
1000 (ipa_pta_execute): ... and here.
1001 (compute_may_aliases): Do not re-compute points-to info
1002 locally if IPA info is available.
1003 (ipa_escaped_pt): New global var.
1004 (ipa_pta_execute): Properly implement IPA PTA.
1005 * tree-into-ssa.c (dump_decl_set): Support dumping
1006 decls not in referenced-vars.
1007 * tree-flow.h (struct gimple_df): Add ipa_pta flag.
1008 * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Adjust.
1009 (dump_points_to_solution): Likewise.
1010 * tree-dfa.c (dump_variable): Also dump DECL_PT_UID.
1011 * tree-inline.c (remap_ssa_name): Copy IPA points-to solution.
1012 (remap_gimple_stmt): Reset call clobber/use information if necessary.
1013 (copy_decl_to_var): Copy DECL_PT_UID.
1014 (copy_result_decl_to_var): Likewise.
1015 * tree.c (make_node_stat): Initialize DECL_PT_UID.
1016 (copy_node_stat): Copy it.
1017 * tree.h (DECL_PT_UID): New macro.
1018 (SET_DECL_PT_UID): Likewise.
1019 (DECL_PT_UID_SET_P): Likewise.
1020 (struct tree_decl_minimal): Add pt_uid member.
1021 * tree-ssa-alias.h (struct pt_solution): Add ipa_escaped flag.
1022 (pt_solution_empty_p): Declare.
1023 (pt_solution_set): Adjust.
1024 (ipa_escaped_pt): Declare.
1025 * cfgexpand.c (update_alias_info_with_stack_vars): Adjust.
1026 * gimple-pretty-print.c (pp_points_to_solution): New function.
1027 (dump_gimple_call): Dump call clobber/use information.
1028 * tree-dump.c (dump_option_value_in): Add TDF_ALIAS entry.
1029 * tree-pass.h (TDF_ALIAS): New dump option.
1030 * tree-pretty-print.c (dump_decl_name): Dump DECL_PT_UID if asked to.
1031 * doc/invoke.texi (-fipa-pta): Update documentation.
1033 2010-04-15 Richard Guenther <rguenther@suse.de>
1035 * Makefile.in (OBJS-common): Add gimple-fold.o.
1036 (gimple-fold.o): New rule.
1037 * tree.h (maybe_fold_offset_to_reference,
1038 maybe_fold_offset_to_address, maybe_fold_stmt_addition): Move
1040 * gimple.h: ... here.
1041 * tree-flow.h (fold_stmt, fold_stmt_inplace, get_symbol_constant_value,
1042 may_propagate_address_into_dereference): Move prototypes ...
1043 * gimple.h: ... here.
1044 * tree-ssa-ccp.c (get_symbol_constant_value,
1045 may_propagate_address_into_dereference, maybe_fold_offset_to_array_ref,
1046 maybe_fold_offset_to_component_ref, maybe_fold_offset_to_reference,
1047 maybe_fold_offset_to_address, maybe_fold_stmt_indirect,
1048 maybe_fold_stmt_addition, maybe_fold_reference, get_maxval_strlen,
1049 ccp_fold_builtin, fold_gimple_assign, fold_gimple_cond,
1050 fold_gimple_call, fold_stmt_1, fold_stmt, fold_stmt_inplace,
1051 gimplify_and_update_call_from_tree): Move ...
1052 * gimple-fold.c: ... here. New file.
1053 (ccp_fold_builtin): Rename to ...
1054 (gimple_fold_builtin): ... this.
1055 * tree-ssa-ccp.c (execute_fold_all_builtins): Adjust.
1057 2010-04-15 Richard Guenther <rguenther@suse.de>
1059 * fold-const.c (LOWPART, HIGHPART, BASE, encode, decode,
1060 fit_double_type, force_fit_type_double, add_double_with_sign,
1061 neg_double, mul_double_with_sign, lshift_double, rshift_double,
1062 lrotate_double, rrotate_double, div_and_round_double): Move ...
1063 * double-int.c: ... here.
1064 * tree.h (force_fit_type_double, fit_double_type, add_double_with_sign,
1065 add_double, neg_double, mul_double_with_sign, mul_double,
1066 lshift_double, rshift_double, lrotate_double, rrotate_double,
1067 div_and_round_double): Move prototypes ...
1068 * double-int.h: ... here.
1070 2010-04-15 Bernd Schmidt <bernds@codesourcery.com>
1073 * config/sh/sh.md (doloop_end_split, dect): Undo previous patch. Use
1074 matching constraints to ensure inputs match the output.
1076 2010-04-15 Kaz Kojima <kkojima@gcc.gnu.org>
1079 * config/sh/sh.md (doloop_end_split): Remove "+r" constraint
1080 in an input-only operand.
1082 2010-04-15 Anatoly Sokolov <aesok@post.ru>
1084 * double-int.h (HOST_BITS_PER_DOUBLE_INT): Define.
1085 (double_int_not, double_int_lshift, double_int_rshift): Declare.
1086 (double_int_negative_p): Convert to static inline function.
1087 * double-int.c (double_int_lshift, double_int_lshift): Add new function.
1088 (double_int_negative_p): Remove.
1089 * tree.h (lshift_double, rshift_double):
1090 * tree.c (build_low_bits_mask): Clean up, use double_int_* functions.
1091 * fold-const.c (fold_convert_const_int_from_real,
1092 fold_convert_const_int_from_fixed, div_if_zero_remainder): (Ditto.).
1093 (lshift_double): Change type of arith argument to bool.
1094 (rshift_double): Change type of arith argument to bool. Correct
1096 * expmed.c (mask_rtx, lshift_value): (Ditto.).
1098 2010-04-14 Bernd Schmidt <bernds@codesourcery.com>
1101 * ifcvt.c (cond_exec_process_if_block): Look for identical sequences
1102 at the start and end of the then/else blocks, and omit them from the
1104 * cfgcleanup.c (flow_find_cross_jump): No longer static. Remove MODE
1105 argument; all callers changed. Pass zero to old_insns_match_p instead.
1106 (flow_find_head_matching_sequence): New function.
1107 (old_insns_match_p): Check REG_EH_REGION notes for calls.
1108 * basic-block.h (flow_find_cross_jump,
1109 flow_find_head_matching_sequence): Declare functions.
1111 2010-04-14 Jason Merrill <jason@redhat.com>
1114 * c-common.c (attribute_takes_identifier_p): New fn.
1115 * c-common.h: Declare it.
1117 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
1119 * config/i386/i386.md (*divmod<mode>4): Remove stray "&&" from
1121 (*udivmod<mode>4): Ditto.
1123 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
1125 * config/i386/i386.md (maxmin_int): Rename code attribute from
1126 maxminiprefix and update all users.
1127 (maxmin_float): Ditto from maxminfprefix.
1128 (logic): Ditto from logicprefix.
1129 (absneg_mnemonic): Ditto from absnegprefix.
1130 * config/i386/mmx.md: Update all users of maxminiprefix,
1131 maxminfprefix and logicprefix for rename.
1132 * config/i386/sse.md: Ditto.
1133 * config/i386/sync.md (sync_<code><mode>): Update for
1136 2010-04-14 Manuel López-Ibáñez <manu@gcc.gnu.org>
1139 * diagnostics.c (diagnostic_report_diagnostic): Mark specially
1140 warnings converted to errors.
1142 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
1144 * config/alpha/alpha.c (alpha_adjust_cost): Remove set but not
1145 used insn_type variable.
1146 (function_value): Add ATTRIBUTE_UNUSED to dummy variable declaration
1147 to avoid set-but-not-used warning.
1149 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
1151 * df-core.c (df_ref_debug): Change format string placeholder
1153 * dwarf2asm.c (dw2_asm_output_data_raw,
1154 dw2_asm_output_data_uleb128_raw, dw2_asm_output_data_uleb128,
1155 dw2_asm_output_data_sleb128_raw, dw2_asm_output_data_sleb128): Ditto.
1156 * dwarf2out.c (output_cfi, output_cfi_directive,
1157 dwarf2out_do_cfi_startproc, output_loc_sequence_raw,
1158 output_cfa_loc_raw, output_die, output_ranges, output_file_names):
1160 * genattrtab.c (write_test_expr, write_attr_valueq): Ditto.
1161 * print-rtl.c (print_rtx): Ditto.
1163 2010-04-14 Michael Meissner <meissner@linux.vnet.ibm.com>
1166 * builtins.c (expand_builtin_pow_root): New function to expand pow
1167 calls with exponents 0.25, 0.50, 0.75, 1./3., and 1./6. into a
1168 series of sqrt and cbrt calls under -ffast-math.
1169 (expand_builtin_pow): Call it.
1171 2010-04-14 Michael Matz <matz@suse.de>
1173 PR tree-optimization/42963
1174 * tree-cfg.c (touched_switch_bbs): New static variable.
1175 (group_case_labels_stmt): New function broken out from ...
1176 (group_case_labels): ... here, use the above.
1177 (start_recording_case_labels): Allocate touched_switch_bbs.
1178 (end_recording_case_labels): Deallocate it, call
1179 group_case_labels_stmt.
1180 (gimple_redirect_edge_and_branch): Remember index of affected BB.
1182 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
1184 * config/i386/i386.md (*popcountsi2_cmp_zext): Remove mode attribute
1187 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
1189 * config/i386/i386.md (*ashlqi3_1_slp): New insn pattern.
1191 2010-04-13 Jan Hubicka <jh@suse.cz>
1193 * ipa-inline.c (cgraph_mark_inline_edge): Avoid double accounting
1194 of optimized out static functions.
1195 (cgraph_edge_badness): Add DUMP parameter and dump reasons for the
1196 cost computation. Also sanity check for overflows.
1197 (update_caller_keys): Update cgraph_edge_badness call; properly
1198 update fibheap and sanity check that it is up to date.
1199 (add_new_edges_to_heap): Update cgraph_edge_badness.
1200 (cgraph_decide_inlining_of_small_function): Likewise;
1201 add sanity checking that badness in heap is up to date;
1202 improve dumping of reason; Update badness of calls to the
1203 offline copy of function currently inlined; dump badness
1204 of functions not inlined because of unit growth limits.
1206 2010-04-13 Eric Botcazou <ebotcazou@adacore.com>
1209 * c-common.c (pointer_int_sum): Disregard overflow that occured only
1210 because of sign-extension change when converting to sizetype here...
1211 * fold-const.c (fold_convert_const_int_from_int): ...and not here.
1213 * fold-const.c (fold_binary_op_with_conditional_arg): Do not restrict
1214 the folding to constants. Remove redundant final conversion.
1215 (fold_binary) <associate>: Do not associate if the re-association of
1216 constants alone overflows.
1217 (fold_binary) <FLOOR_MOD_EXPR>: Move transformation into BIT_AND_EXPR
1218 to the end of the list.
1219 (multiple_of_p) <COND_EXPR>: New case.
1221 2010-04-13 Manuel López-Ibáñez <manu@gcc.gnu.org>
1223 * opt-functions.awk (opt_sanitized_name): New.
1225 * optc-gen.awk: Use it
1226 * opth-gen.awk: Use it.
1228 2010-04-13 Martin Jambor <mjambor@suse.cz>
1230 * tree-sra.c (replace_uses_with_default_def_ssa_name): New function.
1231 (sra_modify_assign): Delete stmts loading dead data even if racc has no
1232 children. Call replace_uses_with_default_def_ssa_name to handle
1235 2010-04-13 Michael Matz <matz@suse.de>
1238 * builtins.c (expand_builtin_interclass_mathfn): Also create
1239 a register if the predicate doesn't match.
1241 2010-04-13 Diego Novillo <dnovillo@google.com>
1243 * Makefile.in (c-pch.o, ggc-common.o): Depend on timevar.h.
1244 * c-pch.c: Include timevar.h.
1245 (c_common_write_pch): Use TV_PCH_SAVE and TV_PCH_CPP_SAVE timers.
1246 (c_common_read_pch): Use TV_PCH_RESTORE and TV_PCH_CPP_RESTORE timers.
1247 * ggc-common.c: Include timevar.h.
1248 (gt_pch_save): Use TV_PCH_PTR_REALLOC and TV_PCH_PTR_SORT timers.
1249 * timevar.def (TV_PCH_SAVE): Define.
1250 (TV_PCH_CPP_SAVE): Define.
1251 (TV_PCH_PTR_REALLOC): Define.
1252 (TV_PCH_PTR_SORT): Define.
1253 (TV_PCH_RESTORE): Define.
1254 (TV_PCH_CPP_RESTORE): Define.
1256 2010-04-13 Michael Matz <matz@suse.de>
1258 * tree-ssa-reassoc.c (repropagate_negates): Merge negates also
1260 (can_reassociate_p): New function.
1261 (break_up_subtract_bb, reassociate_bb): Use it.
1263 2010-04-13 Richard Guenther <rguenther@suse.de>
1266 * builtins.c (c_readstr): Fix assert.
1268 2010-04-13 Uros Bizjak <ubizjak@gmail.com>
1270 * config/i386/i386.md (extendsidi2 splitter): Also check for DX_REG
1271 when generating cltd insn.
1273 (*ashl<mode>3_1): Remove special handling for register operand 2.
1274 (*ashlsi3_1_zext): Ditto.
1275 (*ashlhi3_1): Ditto.
1276 (*ashlhi3_1_lea): Ditto.
1277 (*ashlqi3_1): Ditto.
1278 (*ashlqi3_1_lea): Ditto.
1279 (*<shiftrt_insn><mode>3_1): Ditto.
1280 (*<shiftrt_insn>si3_1_zext): Ditto.
1281 (*<shiftrt_insn>qi3_1_slp): Ditto.
1282 (*<rotate_insn><mode>3_1): Ditto.
1283 (*<rotate_insn>si3_1_zext): Ditto.
1284 (*<rotate_insn>qi3_1_slp): Ditto.
1286 2010-04-13 Richard Guenther <rguenther@suse.de>
1288 * tree-ssa-structalias.c (callused_id): Remove.
1289 (call_stmt_vars): New.
1290 (get_call_vi): Likewise.
1291 (lookup_call_use_vi): Likewise.
1292 (lookup_call_clobber_vi): Likewise.
1293 (get_call_use_vi): Likewise.
1294 (get_call_clobber_vi): Likewise.
1295 (make_transitive_closure_constraints): Likewise.
1296 (handle_const_call): Adjust to do per-call call-used handling.
1297 (handle_pure_call): Likewise.
1298 (find_what_var_points_to): Remove general callused handling.
1299 (init_base_vars): Likewise.
1300 (init_alias_vars): Initialize call_stmt_vars.
1301 (compute_points_to_sets): Process call-used and call-clobbered
1302 vars for call statements.
1303 (delete_points_to_sets): Free call_stmt_vars.
1305 2010-04-13 Richard Guenther <rguenther@suse.de>
1307 * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
1308 Only add RW dependence for dependence distance zero.
1309 Adjust maximal vectorization factor according to dependences.
1310 Move alignment handling ...
1311 (vect_find_same_alignment_drs): ... here. New function.
1312 (vect_analyze_data_ref_dependences): Adjust.
1313 (vect_analyze_data_refs_alignment): Call vect_find_same_alignment_drs.
1314 (vect_analyze_data_refs): Adjust minimal vectorization factor
1315 according to data references.
1316 * tree-vect-loop.c (vect_analyze_loop): Analyze data-ref
1317 dependences before determining the vectorization factor.
1318 Analyze alignment after determining the vectorization factor.
1319 * tree-vect-slp.c ((vect_slp_analyze_bb): Analyze data-ref
1320 dependences before alignment.
1321 * tree-vectorizer.h (vect_analyze_data_ref_dependences):
1323 (vect_analyze_data_refs): Likewise.
1324 (MAX_VECTORIZATION_FACTOR): New define.
1326 2010-04-13 Duncan Sands <baldrick@free.fr>
1328 * except.h (lang_eh_type_covers): Remove.
1329 * except.c (lang_eh_type_covers): Likewise.
1331 2010-04-13 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1332 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1334 * gcc/config/s390/s390.md: Replace TARGET_64BIT with TARGET_ZARCH.
1335 * gcc/config/s390/s390.c: Replace UNTIS_PER_WORD with
1336 UNITS_PER_LONG where it is ABI relevant.
1337 (s390_return_addr_rtx): Likewise.
1338 (s390_back_chain_rtx): Likewise.
1339 (s390_frame_area): Likewise.
1340 (s390_frame_info): Likewise.
1341 (s390_initial_elimination_offset): Likewise.
1342 (save_gprs): Likewise.
1343 (s390_emit_prologue): Likewise.
1344 (s390_emit_epilogue): Likewise.
1345 (s390_function_arg_advance): Likewise.
1346 (s390_function_arg): Likewise.
1347 (s390_va_start): Likewise.
1348 (s390_gimplify_va_arg): Likewise.
1349 (s390_function_profiler): Likewise.
1350 (s390_optimize_prologue): Likewise.
1351 (s390_rtx_costs): Likewise.
1352 (s390_secondary_reload): Likewise.
1353 (s390_promote_function_mode): Likewise.
1354 (s390_hard_regno_mode_ok): Replace TARGET_64BIT with TARGET_ZARCH.
1355 (s390_scalar_mode_supported_p): Disallow TImode if no 64 bit
1356 registers available.
1357 (s390_unwind_word_mode): New function.
1358 (s390_function_value): Split 64 bit values into register pair if
1359 used as return value.
1360 (s390_call_saved_register_used): Don't use HARD_REGNO_NREGS for
1361 function call parameters. Handle parallels.
1362 (TARGET_SCALAR_MODE_SUPPORTED_P): New macro.
1363 (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
1364 (DWARF_CIE_DATA_ALIGNMENT): New macro.
1365 (s390_expand_setmem): Remove unused variable src_addr.
1366 * gcc/longlong.h: Make smul_ppmm and sdiv_qrnnd inline asms to
1367 deal with 64 bit registers.
1368 * gcc/config/s390/s390.h: Define __zarch__ predefined macro.
1369 Replace UNITS_PER_WORD with UNITS_PER_LONG where it is ABI relevant.
1370 (UNITS_PER_LONG): New macro.
1371 * libjava/include/s390-signal.h: Define extended ucontext
1372 structure containing the upper halfs of the 64 bit registers.
1374 2010-04-13 Simon Baldwin <simonb@google.com>
1376 * cfgexpand.c (gimple_expand_cfg): Clarify warning message text.
1378 2010-04-13 Eric Botcazou <ebotcazou@adacore.com>
1380 * gimple.c (walk_gimple_op) <GIMPLE_ASSIGN>: Do not request a pure
1381 rvalue on the RHS if the LHS is of a non-renamable type.
1382 * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Fold result.
1384 2010-04-13 Matthias Klose <doko@ubuntu.com>
1386 * gcc.c (cc1_options): Handle -iplugindir before processing
1387 the cc1 spec. Only add -iplugindir once.
1388 (cpp_unique_options): Add -iplugindir option if -fplugin* options
1390 * common.opt (iplugindir): Remove `Separate' property, initialize.
1391 * plugin.c (default_plugin_dir_name): Error with missing -iplugindir
1393 * Makefile.in (check-%, check-parallel-%): Create plugin dir.
1394 (distclean): Remove plugin dir.
1395 * doc/invoke.texi: Document -iplugindir.
1397 2010-04-13 Basile Starynkevitch <basile@starynkevitch.net>
1399 * doc/plugins.texi (Loading Plugins): Document short
1400 -fplugin=foo option.
1401 (Plugin API): Mention default_plugin_dir_name function.
1403 * gcc.c (find_file_spec_function): Add new declaration.
1404 (static_spec_func): Use it for "find-file".
1405 (find_file_spec_function): Add new function.
1406 (cc1_options): Add -iplugindir option if -fplugin* options found.
1408 * gcc-plugin.h (default_plugin_dir_name): Added new declaration.
1410 * plugin.c (add_new_plugin): Updated comment, and handle short
1412 (default_plugin_dir_name): Added new function.
1414 * common.opt (iplugindir): New option to set the plugin directory.
1416 2010-04-12 Uros Bizjak <ubizjak@gmail.com>
1418 * config/i386/i386.md (any_rotate): New code iterator.
1419 (rotate_insn): New code attribute.
1421 (SWIM124): New mode iterator.
1422 (<rotate_insn>ti3): New expander.
1423 (<rotate_insn>di3): Macroize expander from {rotl,rotr}di3 using
1424 any_rotate code iterator.
1425 (<rotate_insn><mode>3) Macroize expander from {rotl,rotr}{qi,hi,si}3
1426 using any_rotate code iterator and SWIM124 mode iterator.
1427 (ix86_rotlti3): New insn_and_split pattern.
1428 (ix86_rotrti3): Ditto.
1429 (ix86_rotl<dwi>3_doubleword): Macroize insn_and_split pattern from
1430 ix86_rotl{di,ti}3 patterns.
1431 (ix86_rotr<dwi>3_doubleword): Ditto from ix86_rotr{di,ti}3 patterns.
1432 (*<rotate_insn><mode>3_1): Merge with *{rotl,rotr}{qi,hi,si}3_1_one_bit
1433 and *{rotl,rotr}di3_1_one_bit_rex64. Macroize insn from
1434 *{rotl,rotr}{qi,hi,si}3_1 and *{rotl,rotr}di3_1_rex64 using any_rotate
1435 code iterator and SWI mode iterator.
1436 (*<rotate_insn>si3_1_zext): Merge with *{rotl,rotr}si3_1_one_bit_zext.
1437 Macroize insn from {rotl,rotr}si3_1_zext using any_rotate
1439 (*<rotate_insn>qi3_1_slp): Merge with *{rotl,rotr}qi3_1_one_bit_slp.
1440 Macroize insn from {rotl,rotr}qi3_1_slp using any_rotate code iterator.
1441 (bswap rotatert splitter): Add splitter.
1442 (bswap splitter): Macroize splitter using any_rotate code iterator.
1443 Add insn predicate to split only for TARGET_USE_XCHGB or when
1444 optimizing function for size.
1446 2010-04-12 Steve Ellcey <sje@cup.hp.com>
1448 * config/pa/pa.c (emit_move_sequence): Remove use of
1449 deleted variable flag_argument_noalias.
1451 2010-04-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1453 * config.gcc: Removed *-*-solaris2.7* from list of obsolete
1455 Add to unsupported targets list.
1456 * configure.ac (gcc_cv_as_tls): Removed i[34567]86-*-solaris2.[567]*,
1457 sparc*-sun-solaris2.[567]* from target lists.
1458 * configure: Regenerate.
1459 * doc/install.texi (Specific, *-*-solaris2*): Document Solaris 7
1461 Remove Solaris 7 patch references.
1462 (Specific, sparc-sun-solaris2.7): Removed.
1463 (sparc-sun-solaris2*): Update Solaris 7 example.
1464 (sparc64-*-solaris2*): Likewise.
1466 2010-04-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1468 * config.build (alpha*-dec-osf4*): Remove.
1469 * config.gcc: Remove alpha*-dec-osf4*, alpha-dec-osf5.0* from list
1470 of obsolete configurations.
1471 (alpha*-dec-osf[45]*): Remove alpha*-dec-osf4*, alpha-dec-osf5.0*
1473 * config/alpha/t-osf4: Renamed to ...
1474 * config/alpha/t-osf5: ... this.
1475 * config/alpha/osf.h: Renamed to ...
1476 * config/alpha/osf5.h: ... this.
1477 Merged old osf5.h contents.
1479 (ASM_SPEC): Use ASM_OLDAS_SPEC directly.
1480 (EXTRA_SPECS): Removed.
1481 * doc/install.texi (Specific, alpha*-dec-osf5.1): Renamed to
1482 reflect removal of Tru64 UNIX V4.0/V5.0 support.
1485 2010-04-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1487 * doc/contrib.texi (Contributors, Rainer Orth): Update.
1489 2010-04-12 Kai Tietz <kai.tietz@onevision.com>
1492 * config/i386/i386.c (x86_this_parameter): Handle aggregate for
1493 __thiscall convention.
1495 2010-04-12 Steve Ellcey <sje@cup.hp.com>
1497 * config/pa/pa.c (hppa_legitimize_address): Remove unused variable
1499 * config/pa/pa.md (call, call_value): Remove unused variable call_insn.
1501 2010-04-12 Steve Ellcey <sje@cup.hp.com>
1503 * function.c (assign_parms_initialize_all): Add unused attribute
1506 2010-04-12 Richard Guenther <rguenther@suse.de>
1508 * gsstruct.def (GSS_CALL): New.
1509 * gimple.def (GIMPLE_CALL): Change to GSS_CALL.
1510 * gimple.h: Include tree-ssa-alias.h.
1511 (struct gimple_statement_call): New.
1512 (union gimple_statement_struct_d): Add gimple_call member.
1513 (gimple_call_reset_alias_info): Declare.
1514 (gimple_call_use_set): New function.
1515 (gimple_call_clobber_set): Likewise.
1516 * Makefile.in (GIMPLE_H): Add tree-ssa-alias.h.
1517 * gimple.c (gimple_call_reset_alias_info): New function.
1518 (gimple_build_call_1): Call it.
1519 * lto-streamer-in.c (input_gimple_stmt): Likewise.
1520 * tree-inline.c (remap_gimple_stmt): Likewise.
1521 (expand_call_inline): Remove callused handling.
1522 * cfgexpand.c (update_alias_info_with_stack_vars): Likewise.
1523 * tree-dfa.c (dump_variable): Likewise.
1524 * tree-parloops.c (parallelize_loops): Likewise.
1525 * tree-ssa.c (init_tree_ssa): Likewise.
1526 (delete_tree_ssa): Likewise.
1527 * tree-flow-inline.h (is_call_used): Remove.
1528 * tree-flow.h (struct gimple_df): Remove callused member.
1529 * tree-nrv.c (dest_safe_for_nrv_p): Adjust predicate.
1530 * tree-ssa-alias.c (dump_alias_info): Remove callused handling.
1531 (ref_maybe_used_by_call_p_1): Simplify.
1532 (call_may_clobber_ref_p_1): Likewise.
1533 * tree-ssa-structalias.c (compute_points_to_sets): Set
1534 the call stmt used and clobbered sets.
1535 * tree-tailcall.c (suitable_for_tail_opt_p): Adjust predicate.
1536 (find_tail_calls): Verify the tail call.
1538 2010-04-12 Richard Guenther <rguenther@suse.de>
1540 * ipa.c (cgraph_postorder): Adjust postorder to guarantee
1541 single-iteration always-inline inlining.
1542 * ipa-inline.c (cgraph_mark_inline): Do not return anything.
1543 (cgraph_decide_inlining): Do not handle always-inline specially.
1544 (try_inline): Remove always-inline cycle detection special case.
1545 Do not recurse on always-inlines.
1546 (cgraph_early_inlining): Do not iterate if not optimizing.
1547 (cgraph_gate_early_inlining): remove.
1548 (pass_early_inline): Run unconditionally.
1549 (gate_cgraph_decide_inlining): New function.
1550 (pass_ipa_inline): Use it. Do not run the IPA inliner if
1551 not inlining or optimizing.
1552 (cgraph_decide_inlining_of_small_functions): Also consider
1553 always-inline functions.
1554 (cgraph_default_inline_p): Return true for nodes which should
1555 disregard inline limits.
1556 (estimate_function_body_sizes): Assume zero size and time for
1557 nodes which are marked as disregarding inline limits.
1558 (cgraph_decide_recursive_inlining): Do not perform recursive
1559 inlining on always-inline nodes.
1561 2010-04-12 Jakub Jelinek <jakub@redhat.com>
1564 * c-typeck.c (c_process_expr_stmt): Call mark_exp_read even
1565 for exprs satisfying handled_component_p.
1567 2010-04-12 Eric Botcazou <ebotcazou@adacore.com>
1569 * expr.c (categorize_ctor_elements_1): Properly count sub-elements of
1570 non-constant aggregate elements.
1572 * gimplify.c (gimplify_init_constructor): Do not pre-evaluate if this
1573 is a real initialization.
1575 2010-04-12 Shujing Zhao <pearly.zhao@oracle.com>
1578 * c-decl.c (start_function): Move forward check for nested function.
1580 2010-04-11 Kaz Kojima <kkojima@gcc.gnu.org>
1582 * config/sh/sh-protos.h (sh_legitimize_reload_address): Declare.
1583 * config/sh/sh.c: Include reload.h.
1584 (sh_legitimize_reload_address): New.
1585 * config/sh/sh.h (LEGITIMIZE_RELOAD_ADDRESS): Use
1586 sh_legitimize_reload_address.
1588 2010-04-11 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
1590 * config/sh/sh.md (*movqi_pop): New insn pattern.
1591 * config/sh/predicates.md (sh_no_delay_pop_operand): New predicate.
1593 2010-04-11 Uros Bizjak <ubizjak@gmail.com>
1595 * config/i386/i386.md (any_shiftrt): New code iterator.
1596 (shiftrt_insn): New code attribute.
1598 (<shiftrt_insn><mode>3): Macroize expander from {ashr,lshr}<mode>3
1599 using any_shiftrt code iterator.
1600 (*<shiftrt_insn><mode>3_doubleword): Macroize insn_and_split from
1601 *{ashr,lshr}<mode>3_doubleword using any_shiftrt code iterator.
1602 (*<shiftrt_insn><mode>3_doubleword peephole2): Macroize peephole2
1603 pattern from corresponding peephole2 patterns.
1604 (*<shiftrt_insn><mode>3_1): Macroize insn from *{ashr,lshr}<mode>3_1
1605 using any_shiftrt code iterator.
1606 (*<shiftrt_insn>si3_1_zext): Ditto from *{ashr,lshr}si3_1_zext.
1607 (*<shiftrt_insn>qi3_1_slp): Ditto from *{ashr,lshr}qi3_1_slp.
1608 (*<shiftrt_insn><mode>3_cmp): Ditto from *{ashr,lshr}<mode>3_cmp.
1609 (*<shiftrt_insn><mode>3_cmp_zext): Ditto from
1610 *{ashr,lshr}<mode>3_cmp_zext.
1611 (*<shiftrt_insn><mode>3_cconly): Ditto from *{ashr,lshr}<mode>3_cconly.
1613 2010-04-11 Uros Bizjak <ubizjak@gmail.com>
1615 * config/i386/i386.md (*ashr<mode>3_cconly): Fix wrong mode of
1617 (*lshr<mode>3_cconly): Ditto.
1619 2010-04-11 Uros Bizjak <ubizjak@gmail.com>
1621 * config/i386/i386.md (lshr<mode>3): Macroize expander from
1622 lshr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
1623 (*lshr<mode>3_doubleword): New insn_and_split_pattern. Macroize
1624 pattern from *lshr{di,ti}3_1 and corresponding splitters using
1626 (*lshr<mode>3_doubleword peephole2): Macroize peephole2 pattern
1627 from corresponding peephole2 patterns.
1628 (*lshr<mode>3_1): Merge with *lshr{qi,hi,si}3_1_one_bit and
1629 *lshrdi3_1_one_bit_rex64. Macroize insn from *lshr{qi,hi,si}3_1
1630 and *lshrdi3_1_rex64 using SWI mode iterator.
1631 (*lshrsi3_1_zext): Merge with *lshrsi3_1_one_bit_zext.
1632 (*lshrqi3_1_slp): Merge with *lshrqi3_1_one_bit_slp.
1633 (*lshr<mode>3_cmp): Merge with *lshr{qi,hi,si}3_one_bit_cmp and
1634 *lshrdi3_one_bit_cmp_rex64. Macroize insn from *lshr{qi,hi,si}3_cmp
1635 and *lshrdi3_cmp_rex64 using SWI mode iterator.
1636 (*lshrsi3_cmp_zext): Merge with *lshrsi3_cmp_one_bit_zext.
1637 (*lshr<mode>3_cconly): Merge with *lshr{qi,hi,si}3_one_bit_cconly and
1638 *lshrdi3_one_bit_cconly_rex64. Macroize insn from
1639 *lshr{qi,hi,si}3_cconly and *lshrdi3_cconly_rex64 using
1642 2010-04-10 Uros Bizjak <ubizjak@gmail.com>
1644 * config/i386/i386.md (ashr<mode>3): Macroize expander from
1645 ashr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
1646 (*ashr<mode>3_doubleword): New insn_and_split_pattern. Macroize
1647 pattern from *ashr{di,ti}3_1 and corresponding splitters using
1649 (*ashr<mode>3_doubleword peephole2): Macroize peephole2 pattern
1650 from corresponding peephole2 patterns.
1651 (ashrdi3_cvt): Rename from ashrdi3_63_rex64.
1652 (ashrsi3_cvt): Rename from ashrsi3_31.
1653 (*ashrsi3_cvt_zext): Rename from *ashrsi3_31_zext.
1654 (x86_shift<mode>_adj_3): Macroize expander from x86_shift_adj_3
1655 and x86_64_shift_adj_3 using SWI48 mode iterator.
1656 (*ashr<mode>3_1): Merge with *ashr{qi,hi,si}3_1_one_bit and
1657 *ashrdi3_1_one_bit_rex64. Macroize insn from *ashr{qi,hi,si}3_1
1658 and *ashrdi3_1_rex64 using SWI mode iterator.
1659 (*ashrsi3_1_zext): Merge with *ashrsi3_1_one_bit_zext.
1660 (*ashrqi3_1_slp): Merge with *ashrqi3_1_one_bit_slp.
1661 (*ashr<mode>3_cmp): Merge with *ashr{qi,hi,si}3_one_bit_cmp and
1662 *ashrdi3_one_bit_cmp_rex64. Macroize insn from *ashr{qi,hi,si}3_cmp
1663 and *ashrdi3_cmp_rex64 using SWI mode iterator.
1664 (*ashrsi3_cmp_zext): Merge with *ashrsi3_cmp_one_bit_zext.
1665 (*ashr<mode>3_cconly): Merge with *ashr{qi,hi,si}3_one_bit_cconly and
1666 *ashrdi3_one_bit_cconly_rex64. Macroize insn from
1667 *ashr{qi,hi,si}3_cconly and *ashrdi3_cconly_rex64 using
1669 (sign_extend splitters): Update for renamed ashr{di,si}3_cvt patterns.
1670 * config/i386/i386.c (ix86_split_ashr): Update for renamed
1671 x86_shift<mode>_adj_3 expanders.
1673 2010-04-10 Wei Guozhi <carrot@google.com>
1676 * config/arm/arm.c (arm_pic_static_addr): New function.
1677 (legitimize_pic_address): Call arm_pic_static_addr when it detects
1679 (arm_output_addr_const_extra): Output expression for new pattern.
1680 * config/arm/arm.md (UNSPEC_SYMBOL_OFFSET): New unspec symbol.
1682 2010-04-10 Bernd Schmidt <bernds@codesourcery.com>
1684 * ira-costs.c (record_reg_classes): Ignore alternatives that are
1687 * Makefile.in (web.o): Depend on insn-config.h and $(RECOG_H).
1688 * web.c: Include "insn-config.h" and "recog.h".
1689 (union_match_dups): New function.
1690 (web_main): Call it.
1691 (union_defs): Don't try to recognize match_dups.
1693 * reload1.c (eliminate_regs_in_insn): Don't restore an operand
1694 if doing so would replace the entire pattern.
1696 2010-04-09 Uros Bizjak <ubizjak@gmail.com>
1700 * config/i386/i386.md (*ashl<mode>3_doubleword): Split to insn
1701 and splitter pattern. Change splitter operand 1 predicate to
1704 2010-04-09 Martin Jambor <mjambor@suse.cz>
1706 * ipa-cp.c (ipcp_lats_are_equal): Return true also if the two
1707 lattices are addresses of CONST_DECLs with the same initial value.
1708 (ipcp_print_all_lattices): Print values of CONST_DECLs.
1709 * ipa-prop.c (ipa_print_node_jump_functions): Likewise.
1711 2010-04-09 Eric Botcazou <ebotcazou@adacore.com>
1712 Bernd Schmidt <bernds@codesourcery.com>
1714 * loop-invariant.c (replace_uses): New static function.
1715 (move_invariant_reg): Use it to ensure we can replace the uses.
1717 2010-04-09 Hariharan Sandanagobalane <hariharan@picochip.com>
1719 * config/picochip/picochip.c (picochip_rtx_costs): Use correct
1721 (picochip_override_options): Enable section anchors only above -O1.
1722 (picochip_reorg): Fixed a couple of build warnings.
1724 2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1726 * configure.ac (plugin -rdynamic test): Log result.
1727 * configure: Regenerate.
1728 * config/sol2.h (LINK_SPEC): Handle -rdynamic.
1729 (RDYNAMIC_SPEC): Define.
1730 * config/sol2-gld.h (RDYNAMIC_SPEC): Redefine.
1732 2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1734 * configure.ac: Determine Sun ld version numbers.
1735 (comdat_group): Restrict GNU ld version checks to gld.
1736 (comdat_group, *-*-solaris2.1[1-9]*): Enable for Sun ld > 1.1688.
1737 (enable_comdat): Support --enable-comdat.
1738 * configure: Regenerate.
1739 * doc/install.texi (Configuration): Document --enable-comdat.
1741 2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1743 * config/sparc/sol2-gld.h: Remove SPARC reference. Rename ...
1744 * config/sol2-gld.h: ... here.
1745 * config.gcc (sparc*-*-solaris2*): Reflect this.
1746 (i[34567]86-*-solaris2*): Use it.
1748 2010-04-09 Steve Ellcey <sje@cup.hp.com>
1750 * config/ia64/ia64.c (ia64_dfa_new_cycle): Remove unused variable
1752 (final_emit_insn_group_barriers): Remove unused variable prev_insn.
1754 2010-04-09 Manuel López-Ibáñez <manu@gcc.gnu.org>
1757 * diagnostic.c (diagnostic_initialize): Initialize
1758 some_warnings_are_errors.
1759 (diagnostic_finish): New.
1760 (diagnostic_action_after_output): Call it before exiting.
1761 (diagnostic_report_diagnostic): Do not print message here. Set
1762 some_warnings_are_errors.
1763 * diagnostic.h (diagnostic_context): Delete
1764 issue_warnings_are_errors_message. Add some_warnings_are_errors.
1765 (diagnostic_finish): Declare.
1766 * toplev.c (toplev_main): Call it before exit.
1768 2010-04-09 Jason Merrill <jason@redhat.com>
1771 * c-common.c (c_sizeof_or_alignof_type): Return error_mark_node
1772 for incomplete type.
1775 * stor-layout.c (finalize_record_size): Don't change TYPE_PACKED
1776 based on a warning flag.
1778 2010-04-09 Richard Guenther <rguenther@suse.de>
1780 * tree-pretty-print.c (dump_generic_node): Dump TYPE_VECTOR_SUBPARTS.
1782 2010-04-09 Iain Sandoe <iains@gcc.gnu.org>
1785 * varasm.c (default_assemble_visibility): Wrap vars that are
1786 set, but unused, by targets without GAS.
1787 * config/rs6000/rs6000.c: (paired_emit_vector_compare):
1788 Remove set, but unused, vars.
1789 (rs6000_legitimize_tls_address): Likewise.
1790 (altivec_expand_dst_builtin): Likewise.
1791 * config/darwin.c (machopic_classify_symbol): Likewise.
1792 (machopic_indirection_name): Likewise.
1794 2010-04-09 Uros Bizjak <ubizjak@gmail.com>
1796 * config/i386/i386.md (DWI): New mode iterator.
1797 (S): New mode attribute.
1798 (shift_operand): Ditto.
1799 (shift_immediate_operand): Ditto.
1800 (ashl_input_operand): Ditto.
1801 (ashl<mode>3): Macroize expander from ashl{qi,hi,si,di,ti}3_1
1802 using SDWIM mode iterator.
1803 (*ashl<mode>3_doubleword): New insn_and_split_pattern. Macroize
1804 pattern from *ashl{di,ti}3_1 and corresponding splitters using
1806 (*ashl<mode>3_doubleword peephole2): Macroize peephole2 pattern
1807 from corresponding peephole2 patterns.
1808 (x86_shift<mode>_adj_1): Macroize expander from x86_shift_adj_1
1809 and x86_64_shift_adj_1 using SWI48 mode iterator.
1810 (x86_shift<mode>_adj_2): Ditto.
1811 (*ashldi3_1_rex64): Split TYPE_LEA pattern.
1812 (*ashl<mode>3_1): Macroize insn from *ashlsi3_1 and *ashldi3_1_rex64
1813 using SWI48 mode iterator.
1814 (*ashl<mode>3_cmp): Macroize insn from *ashl{qi,hi,si}3_cmp and
1815 *ashldi3_cmp_rex64 using SWI mode iterator.
1816 (*ashl<mode>3_cconly): Macroize insn from *ashl{qi,hi,si}3_cconly and
1817 *ashldi3_cconly_rex64 using SWI mode iterator.
1818 * config/i386/i386.c (ix86_split_ashl): Update for renamed
1819 x86_shift<mode>_adj_{1,2}.
1820 (ix86_split_ashr): Ditto.
1821 (ix86_split_lshr): Ditto.
1823 2010-04-09 Richard Guenther <rguenther@suse.de>
1825 * target.h (builtin_conversion): Pass in input and output types.
1826 * targhooks.c (default_builtin_vectorized_conversion): Adjust.
1827 * targhooks.h (default_builtin_vectorized_conversion): Likewise.
1828 * tree-vect-stmts.c (vectorizable_conversion): Adjust.
1829 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Adjust.
1831 * config/i386/i386.c (ix86_vectorize_builtin_conversion): Adjust.
1833 * config/rs6000/rs6000.c (rs6000_builtin_conversion): Adjust.
1835 2010-04-09 Richard Guenther <rguenther@suse.de>
1838 * config/i386/sse.md (vcond<mode>): Handle AVX modes as well.
1840 2010-04-09 Richard Guenther <rguenther@suse.de>
1842 * tree-vectorizer.h (struct _stmt_vec_info): Document
1843 that vectype is the type of the LHS.
1844 (supportable_widening_operation, supportable_narrowing_operation):
1845 Get both input and output vector types as arguments.
1846 (vect_is_simple_use_1): Declare.
1847 (get_same_sized_vectype): Likewise.
1848 * tree-vect-loop.c (vect_determine_vectorization_factor):
1849 Set STMT_VINFO_VECTYPE to the vector type of the def.
1850 (vectorizable_reduction): Adjust.
1851 * tree-vect-patterns.c (vect_recog_widen_mult_pattern):
1852 Adjust. Specify the output vector type.
1853 (vect_pattern_recog_1): Adjust.
1854 * tree-vect-stmts.c (get_same_sized_vectype): New function.
1855 (vectorizable_call): Adjust.
1856 (vectorizable_conversion): Likewise.
1857 (vectorizable_operation): Likewise.
1858 (vectorizable_type_demotion): Likewise.
1859 (vectorizable_type_promotion): Likewise.
1860 (vect_analyze_stmt): Set STMT_VINFO_VECTYPE to the vector type of
1862 (vect_is_simple_use_1): New function.
1863 (supportable_widening_operation): Get both input and output
1865 (supportable_narrowing_operation): Likewise.
1866 * tree-vect-slp.c (vect_schedule_slp_instance): Adjust.
1868 2010-04-09 Kai Tietz <kai.tietz@onevision.com>
1870 * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Add
1871 __thiscall and _thiscall as predefined macros.
1872 * config/i386/i386.c (ix86_handle_cconv_attribute): Add
1873 thiscall attribute handling.
1874 (ix86_comp_type_attributes): Likewise.
1875 (ix86_function_regparm): Likewise.
1876 (ix86_return_pops_args): Likewise.
1877 (init_cumulative_args): Likewise.
1878 (find_drap_reg): Likewise.
1879 (ix86_static_chain): Likewise.
1880 (x86_this_parameter): Likewise.
1881 (x86_output_mi_thunk): Likewise.
1882 (ix86_attribute_table): Add description for thiscall attribute.
1883 * config/i386/i386.h (ix86_args): Adjust comment for member fastcall.
1884 * doc/extend.texi: Add documentation for thiscall.
1886 2010-04-09 Manuel López-Ibáñez <manu@gcc.gnu.org>
1889 * c.opt (Wint-to-pointer-cast): Available in C++.
1890 * doc/invoke.texi (Wint-to-pointer-cast): Available in C++.
1892 2010-04-08 Eric Botcazou <ebotcazou@adacore.com>
1894 * tree.h (TREE_ADDRESSABLE): Document its effect for function types.
1895 * calls.c (expand_call): Pass the function type to aggregate_value_p.
1896 * function.c (aggregate_value_p): Do not honor DECL_BY_REFERENCE on
1897 the target function of a CALL_EXPR. Honor TREE_ADDRESSABLE on the
1898 function type instead. Reorder and simplify checks.
1900 * gimplify.c (gimplify_modify_expr_rhs) <WITH_SIZE_EXPR>: New case.
1902 2010-04-08 Jing Yu <jingyu@google.com>
1903 Zdenek Dvorak <ook@ucw.cz>
1905 PR tree-optimization/42720
1906 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Move one-time
1907 loop unswitch conditions here from ...
1908 (tree_unswitch_single_loop): ... here.
1910 2010-04-08 Sebastian Pop <sebastian.pop@amd.com>
1912 * tree-if-conv.c: Fix comments and simplify logic.
1914 2010-04-08 Sebastian Pop <sebastian.pop@amd.com>
1916 * tree-if-conv.c (if_convertible_loop_p): Remove unused parameter.
1917 (tree_if_conversion): Same. Update call to if_convertible_loop_p.
1918 (main_tree_if_conversion): Update call to tree_if_conversion.
1920 2010-04-08 Manuel López-Ibáñez <manu@gcc.gnu.org>
1923 * doc/invoke.texi (-b,-V): Delete.
1924 * doc/tm.texi: Do not mention -b.
1925 * gcc.c (display_help): Delete -b and -V.
1926 (process_command): Delete -b and -V.
1927 * gcc.h (DEFAULT_SWITCH_TAKES_ARG): Delete -b and -V.
1929 2010-04-08 Christian Borntraeger <borntraeger@de.ibm.com>
1930 Wolfgang Gellerich <gellerich@de.ibm.com>
1932 Implement target hook for loop unrolling
1933 * target.h (loop_unroll_adjust): Add a new target hook function.
1934 * target-def.h (TARGET_LOOP_UNROLL_ADJUST): Likewise.
1935 * doc/tm.texi (TARGET_LOOP_UNROLL_ADJUST): Document it.
1936 * config/s390/s390.c (TARGET_LOOP_UNROLL_ADJUST): Define it.
1937 (s390_loop_unroll_adjust): Implement the new target hook for s390.
1938 * loop-unroll.c (decide_unroll_runtime_iterations): Call loop unroll
1940 (decide_unroll_stupid): Likewise.
1942 2010-04-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1945 * config/i386/gmon-sol2.c [__x86_64__]: Properly restore %rcx.
1947 2010-04-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1949 * doc/install.texi (Specific, i?86-*-solaris2.10): Fix grammar.
1950 (Specific, *-*-solaris2*): Likewise.
1951 Don't prefer Sun as over GNU as.
1953 2010-04-08 Wolfgang Gellerich <gellerich@de.ibm.com>
1955 * config/s390/s390.c (override_options): Adjust the z10
1956 defaults for max-unroll-times, max-completely-peeled-insns
1957 and max-completely-peel-times.
1959 2010-04-08 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1961 * config/s390/s390.c (s390_expand_movmem): Issue prefetch
1962 instructions for z10.
1963 (s390_expand_setmem): Likewise.
1964 (s390_expand_cmpmem): Likewise.
1966 2010-04-08 Richard Guenther <rguenther@suse.de>
1968 PR tree-optimization/43679
1969 * tree-ssa-pre.c (eliminate): Only propagate copies.
1971 2010-04-08 Jakub Jelinek <jakub@redhat.com>
1974 * expr.c (block_move_libcall_safe_for_call_parm): Avoid
1975 set but not used variable warning.
1977 2010-04-08 Wei Guozhi <carrot@google.com>
1980 * config/arm/arm.c (thumb1_size_rtx_costs): New function.
1981 (arm_size_rtx_costs): Call the new function when optimized for size.
1983 2010-04-08 Jakub Jelinek <jakub@redhat.com>
1986 * cfgexpand.c (expand_debug_expr): If for non-NULL offset
1987 op0 is not a MEM, just return NULL instead of assertion
1989 (discover_nonconstant_array_refs): Don't walk debug stmts.
1991 2010-04-08 Doug Kwan <dougkwan@google.com>
1993 * configure.ac: Recognize gold and do not use its version number
1994 to test ld features.
1995 * configure: Regenerate.
1997 2010-04-08 Maxim Kuvyrkov <maxim@codesourcery.com>
2000 * tree-ssa-reassoc.c (broken_up_substracts): Rename to plus_negates.
2001 (negate_value): Move code to push elements to broken_up_substracts ...
2002 (eliminate_plus_minus_pair): ... here. Push operands that have no
2003 negative pair to plus_negates.
2004 (repropagate_negates, init_reassoc, fini_reassoc): Update.
2006 2010-04-07 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2008 * doc/install.texi (Configuration): Move description of
2009 --enable-lto, --with-libelf*, --enable-gold from Java section to
2012 * doc/generic.texi (Working with declarations)
2013 (Function Properties, C and C++ Trees): Fix typos.
2014 * doc/sourcebuild.texi (Top Level): Likewise.
2016 2010-04-07 Jakub Jelinek <jakub@redhat.com>
2019 * tree.h (DECL_READ_P): Define.
2020 (struct tree_decl_common): Add decl_read_flag.
2021 * c-decl.c (pop_scope): If TREE_USED but !DECL_READ_P, issue
2022 a set but not used warning.
2023 (merge_decls): Merge DECL_READ_P flag.
2024 (finish_decl, build_compound_literal): Set DECL_READ_P flag.
2025 (finish_function): Issue -Wunused-but-set-parameter diagnostics.
2026 * c-common.c (handle_used_attribute, handle_unused_attribute):
2028 * c-tree.h (default_function_array_read_conversion, mark_exp_read):
2030 * c-typeck.c (default_function_array_read_conversion, mark_exp_read):
2032 (default_conversion, c_process_expr_stmt): Call mark_exp_read.
2033 * c-parser.c (c_parser_initializer, c_parser_expr_no_commas,
2034 c_parser_binary_expression, c_parser_cast_expression,
2035 c_parser_expr_list, c_parser_omp_atomic, c_parser_omp_for_loop):
2036 Call default_function_array_read_conversion instead of
2037 default_function_array_conversion where needed.
2038 (c_parser_unary_expression, c_parser_conditional_expression,
2039 c_parser_postfix_expression_after_primary, c_parser_initelt):
2040 Likewise. Call mark_exp_read where needed.
2041 (c_parser_statement_after_labels, c_parser_asm_operands,
2042 c_parser_typeof_specifier, c_parser_sizeof_expression,
2043 c_parser_alignof_expression, c_parser_initval): Call mark_exp_read
2045 * common.opt (Wunused-but-set-variable, Wunused-but-set-parameter):
2047 * toplev.c (warn_unused_but_set_variable): Default to warn_unused.
2048 (warn_unused_but_set_parameter): Default to warn_unused
2050 * doc/invoke.texi: Document -Wunused-but-set-variable and
2051 -Wunused-but-set-parameter.
2053 * tree-ssa-pre.c (my_rev_post_order_compute): Remove set but not
2054 used count variable.
2055 * genemit.c (gen_expand, gen_split): Avoid set but not used warnings
2056 when operandN variables aren't used in the body of the expander
2058 * tree-outof-ssa.c (FOR_EACH_ELIM_GRAPH_SUCC,
2059 FOR_EACH_ELIM_GRAPH_PRED): Avoid set but not used warnings.
2060 * tree-ssa-operands.h (FOR_EACH_SSA_TREE_OPERAND): Likewise.
2061 * tree-flow.h (FOR_EACH_IMM_USE_FAST, FOR_EACH_IMM_USE_STMT,
2062 FOR_EACH_IMM_USE_ON_STMT): Likewise.
2063 * tree.h (FOR_EACH_CONSTRUCTOR_ELT): Likewise.
2064 * tree.c (PROCESS_ARG): Likewise.
2066 2010-04-07 Simon Baldwin <simonb@google.com>
2068 * diagnostic.h (diagnostic_override_option_index): New macro to
2069 set a diagnostic's option_index.
2070 * c-tree.h (c_cpp_error): Add warning reason argument.
2071 * opts.c (_warning_as_error_callback): New.
2072 (register_warning_as_error_callback): Store callback for
2073 warnings enabled via enable_warning_as_error.
2074 (enable_warning_as_error): Call callback, minor code tidy.
2075 * opts.h (register_warning_as_error_callback): Declare.
2076 * c-opts.c (warning_as_error_callback): New, set cpp_opts flag in
2077 response to -Werror=.
2078 (c_common_init_options): Register warning_as_error_callback in opts.c.
2079 * common.opt: Add -Wno-cpp option.
2080 * c-common.c (struct reason_option_codes_t): Map cpp warning
2081 reason codes to gcc option indexes.
2082 * (c_option_controlling_cpp_error): New function, lookup the gcc
2083 option index for a cpp warning reason code.
2084 * (c_cpp_error): Add warning reason argument, call
2085 c_option_controlling_cpp_error for diagnostic_override_option_index.
2086 * doc/invoke.texi: Document -Wno-cpp.
2088 2010-04-07 Richard Guenther <rguenther@suse.de>
2090 * ipa-reference.c (mark_load): Use get_base_address.
2091 (mark_store): Likewise.
2093 * tree-ssa-ccp.c (gimplify_and_update_call_from_tree): Avoid
2094 inserting GIMPLE_NOPs into the IL.
2095 * tree-ssa-structalias.c (get_constraint_for_component_ref):
2096 Explicitly strip handled components and indirect references.
2098 * fold-const.c (fold_unary_loc): Do not strip qualifiers when
2099 folding address expressions.
2100 * gimple.c (gimple_ior_addresses_taken_1): Use get_base_address.
2101 * tree-ssa-alias.c (decl_refs_may_alias_p): Do not use
2102 operand_equal_p to compare decls.
2103 (ptr_deref_may_alias_decl_p): Likewise.
2104 * tree-ssa-operands.c (get_asm_expr_operands): Simplify
2105 * tree-ssa-forwprop.c (forward_propagate_into_gimple_cond):
2106 Handle reversed comparison ops.
2107 * tree-sra.c (asm_visit_addr): Use get_base_address.
2108 * ipa-prop.c (visit_store_addr_for_mod_analysis): Use get_base_address.
2109 * ipa-reference.c (mark_address): Use get_base_address.
2111 2010-04-07 Richard Guenther <rguenther@suse.de>
2113 * tree-ssa-forwprop.c (forward_propagate_addr_expr):
2114 Propagate constants everywhere.
2116 2010-04-07 Jakub Jelinek <jakub@redhat.com>
2119 * tree.c (MAX_INT_CACHED_PREC): Define.
2120 (nonstandard_integer_type_cache): New array.
2121 (build_nonstandard_integer_type): Cache results for precision
2122 <= MAX_INT_CACHED_PREC.
2124 2010-04-07 Richard Guenther <rguenther@suse.de>
2126 * doc/invoke.texi (-fargument-alias, -fargument-noalias,
2127 -fargument-noalias-global, -fargument-noalias-anything): Remove.
2128 * common.opt: Likewise.
2129 * tree-ssa-structalias.c (intra_create_variable_infos): Adjust comment.
2130 * alias.c (base_alias_check): Remove flag_argument_noalias handling.
2131 (nonoverlapping_memrefs_p): Likewise.
2132 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
2133 * opts.c (common_handle_option): Handle OPT_fargument_alias,
2134 OPT_fargument_noalias, OPT_fargument_noalias_anything and
2135 OPT_fargument_noalias_global for backward compatibility.
2137 2010-04-07 Richard Guenther <rguenther@suse.de>
2139 PR tree-optimization/43270
2140 * tree-vrp.c (check_array_ref): Fix flexible array member detection.
2141 * tree-ssa-sccvn.h (fully_constant_vn_reference_p): Declare.
2142 * tree-ssa-pre.c (phi_translate_1): Adjust.
2143 (fully_constant_expression): Split out vn_reference handling to ...
2144 * tree-ssa-sccvn.c (fully_constant_vn_reference_p): ... here.
2145 Fold reads from constant strings.
2146 (vn_reference_lookup): Handle fully constant references.
2147 (vn_reference_lookup_pieces): Likewise.
2148 * Makefile.in (expmed.o-warn): Add -Wno-error.
2150 2010-04-07 Martin Jambor <mjambor@suse.cz>
2152 * tree-sra.c (find_param_candidates): Allow scalar va_list types.
2154 2010-04-07 Iain Sandoe <iains@gcc.gnu.org>
2157 * gcc.c: Add -static-libstdc++ to list of recognized options.
2159 2010-04-07 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2161 * config.gcc (i[34567]86-*-solaris2*): Default with_tune_32 to generic.
2163 2010-04-07 Richard Guenther <rguenther@suse.de>
2166 * expr.c (expand_expr_real_1): For TARGET_MEM_REFs with pointer
2167 bases build simple mem attributes to retain points-to information.
2169 2010-04-07 Richard Guenther <rguenther@suse.de>
2172 * alias.c (ao_ref_from_mem): Without MEM_OFFSET or MEM_SIZE
2173 preserve points-to related information.
2175 2010-04-07 Richard Guenther <rguenther@suse.de>
2178 * emit-rtl.c (set_mem_attributes_minus_bitpos): Do not
2179 discard plain indirect references.
2180 * fold-const.c (operand_equal_p): Guard against NULL_TREE type.
2181 * tree.c (tree_nop_conversion): Likewise.
2183 2010-04-07 Dodji Seketeli <dodji@redhat.com>
2186 * dwarf2out.c (modified_type_die): Ignore artificial typedefs.
2188 2010-04-06 Kai Tietz <kai.tietz@onevision.com>
2190 * config/i386/i386.c (ix86_handle_cconv_attribute): Ignore
2191 calling convention attributes on METHOD_TYPEs for w64 ABI, too.
2193 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
2195 * tree-if-conv.c: Fix indentation and comments.
2197 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
2199 * tree-if-conv.c: Sort static functions in topological order.
2201 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
2203 * tree-if-conv.c: Fix indentation and comments.
2205 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
2208 * graphite-clast-to-gimple.c (max_signed_precision_type): Use
2209 lang_hooks.types.type_for_size instead of
2210 build_nonstandard_integer_type.
2211 When converting an unsigned type to signed, double its precision.
2212 (gcc_type_for_interval): Use lang_hooks.types.type_for_size.
2213 (gcc_type_for_iv_of_clast_loop): Call max_signed_precision_type.
2214 (graphite_create_new_loop_guard): When ub + 1 wraps around,
2217 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
2220 * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Use
2221 POINTER_PLUS_EXPR for pointer types.
2223 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
2226 * Makefile.in (graphite-clast-to-gimple.o): Depends on langhooks.h.
2227 * graphite-clast-to-gimple.c: Include langhooks.h.
2228 (max_signed_precision_type): New.
2229 (max_precision_type): Takes two types as arguments.
2230 (precision_for_value): New.
2231 (precision_for_interval): New.
2232 (gcc_type_for_interval): New.
2233 (gcc_type_for_value): New.
2234 (gcc_type_for_clast_term): New.
2235 (gcc_type_for_clast_red): New.
2236 (gcc_type_for_clast_bin): New.
2237 (gcc_type_for_clast_expr): Split up into several functions.
2238 (gcc_type_for_clast_eq): Rewritten.
2239 (compute_bounds_for_level): New.
2240 (compute_type_for_level_1): New.
2241 (compute_type_for_level): New.
2242 (gcc_type_for_cloog_iv): Removed.
2243 (gcc_type_for_iv_of_clast_loop): Rewritten.
2244 (graphite_create_new_loop): Compute the lower and upper bound types
2245 with gcc_type_for_clast_expr.
2246 (graphite_create_new_loop_guard): Same.
2247 (find_cloog_iv_in_expr): Removed.
2248 (compute_cloog_iv_types_1): Removed.
2249 (compute_cloog_iv_types): Removed.
2250 (gloog): Do not call compute_cloog_iv_types.
2251 * graphite-sese-to-poly.c (new_gimple_bb): Do not initialize
2253 (free_data_refs_aux): Do not free GBB_CLOOG_IV_TYPES.
2254 * sese.h (struct gimple_bb): Removed field cloog_iv_types.
2255 (GBB_CLOOG_IV_TYPES): Removed.
2257 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
2259 * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Assert that
2260 gimple_phi_num_args of the loop close SSA phi node is equal to 1.
2261 (detect_commutative_reduction): Same.
2263 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
2265 * graphite-clast-to-gimple.c (graphite_verify): Remove redundant
2266 call to verify_ssa. Invoke verify_loop_closed_ssa with an extra
2268 * graphite-scop-detection.c (canonicalize_loop_closed_ssa_form): Same.
2269 * graphite-sese-to-poly.c (rewrite_reductions_out_of_ssa): Same.
2270 (rewrite_commutative_reductions_out_of_ssa): Same.
2271 * passes.c (execute_function_todo): Call verify_ssa for every pass
2272 in the LNO. Invoke verify_loop_closed_ssa with an extra argument.
2273 * tree-flow.h (verify_loop_closed_ssa): Update declaration.
2274 * tree-parloops.c (parallelize_loops): Invoke verify_loop_closed_ssa
2275 with an extra argument.
2276 * tree-ssa-loop-manip.c (check_loop_closed_ssa_stmt): Same. Call
2277 verify_ssa only when the extra argument is true.
2278 (gimple_duplicate_loop_to_header_edge): Invoke verify_loop_closed_ssa
2279 with an extra argument.
2280 (tree_transform_and_unroll_loop): Same.
2282 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
2284 * passes.c (execute_function_todo): Call verify_loop_closed_ssa
2285 for all the passes of the LNO having LOOP_CLOSED_SSA.
2286 * tree-if-conv.c (pass_if_conversion): Remove TODO_verify_loops.
2287 * tree-loop-distribution.c (pass_loop_distribution): Same.
2288 * tree-pass.h (TODO_verify_loops): Removed.
2289 * tree-ssa-loop.c (pass_tree_loop_init): Same.
2291 (pass_tree_unswitch): Same.
2292 (pass_predcom): Same.
2293 (pass_vectorize): Same.
2294 (pass_linear_transform): Same.
2295 (pass_graphite_transforms): Same.
2296 (pass_iv_canon): Same.
2297 (pass_complete_unroll): Same.
2298 (pass_complete_unrolli): Same.
2299 (pass_parallelize_loops): Same.
2300 (pass_loop_prefetch): Same.
2301 (pass_iv_optimize): Same.
2303 2010-04-06 Changpeng Fang <changpeng.fang@amd.com>
2306 * passes.c (init_optimization_passes): Move pass_lim before
2307 pass_copy_prop and pass_dce_loop.
2309 2010-04-06 Jakub Jelinek <jakub@redhat.com>
2312 * config/i386/i386.c (bdesc_multi_arg): Use OPTION_MASK_ISA_XOP
2313 instead of OPTION_MASK_ISA_AVX for __builtin_ia32_vpermil2p*.
2314 (ix86_expand_args_builtin): Use V*_FTYPE_* enum codes instead of
2315 MULTI_* defines for 4 argument vpermil2p* builtins.
2317 2010-04-06 Uros Bizjak <ubizjak@gmail.com>
2319 * config/i386/i386-protos.h (x86_maybe_negate_const_int): Declare.
2320 * config/i386/i386.c (x86_maybe_negate_const_int): New.
2321 (x86_output_mi_thunk): Use x86_maybe_negate_const_int.
2322 * config/i386/i386.md (*add<mode>_1, *addsi_1_zext, *addhi_1,
2323 *addhi_1_lea, *addqi_1, *addqi_1_lea, *addqi_1_slp, *add<mode>_2,
2324 *addsi_2_zext, *addhi_2, *addqi_2, *add<mode>_3, *addsi_3_zext,
2325 *addhi_3, *addqi_3,*add<mode>_5, *addhi_5, *addqi_5):
2326 Use x86_maybe_negate_const_int to output insn mnemonic.
2327 (*adddi_4, *addsi_4, *addhi_4, *addqi_4): Ditto. Remove overflow
2328 check from instruction predicate. Update comments.
2329 * config/i386/sync.md (sync_add<mode>): Use
2330 x86_maybe_negate_const_int to output insn mnemonic.
2332 2010-04-06 Jan Hubicka <jh@suse.cz>
2334 PR tree-optimization/42906
2335 * tree-ssa-dce.c (mark_control_dependent_edges_necessary): Add
2336 IGNORE_SELF argument. Set visited_control_parents for fully
2338 (find_obviously_necessary_stmts): Update call of
2339 mark_control_dependent_edges_necessary.
2340 (propagate_necessity): Likewise. Handle PHI edges more curefully.
2342 2010-04-06 Uros Bizjak <ubizjak@gmail.com>
2344 * config/i386/i386.md: Remove comment about 'e' and 'E'
2347 2010-04-06 Richard Guenther <rguenther@suse.de>
2349 PR tree-optimization/43627
2350 * tree-vrp.c (extract_range_from_unary_expr): Widenings
2351 of [1, +INF(OVF)] go to [1, +INF(OVF)] of the wider type,
2354 2010-04-06 Jakub Jelinek <jakub@redhat.com>
2356 * BASE-VER: Change to 4.6.0.
2359 * config/i386/i386.c (print_operand): Remove 'e' and 'E' code
2362 2010-04-06 Richard Guenther <rguenther@suse.de>
2365 * fold-const.c (fold_comparison): Handle X * 0 CMP 0.
2367 2010-04-05 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2369 * doc/invoke.texi (Optimize Options): Document that LTO
2370 won't remove object access purely due to incompatible
2373 2010-04-04 Matthias Klose <doko@ubuntu.com>
2375 * graphite-sese-to-poly.c (translate_scalar_reduction_to_array):
2376 Initialize variable.
2378 2010-04-03 Richard Guenther <rguenther@suse.de>
2381 * alias.c (nonoverlapping_memrefs_p): For spill-slot accesses
2382 require a non-NULL MEM_OFFSET.
2384 2010-04-02 Steven Bosscher <steven@gcc.gnu.org>
2386 * ada/gcc-interface/Make-lang.in, alias.c, attribs.c, auto-inc-dec.c,
2387 basic-block.h, bb-reorder.c, calls.c, c-common.c, cgraph.h,
2388 collect2.h, config/alpha/alpha.c, config/alpha/alpha.md,
2389 config/alpha/predicates.md, config/arm/arm.md,
2390 config/arm/lib1funcs.asm, config/arm/neon-schedgen.ml,
2391 config/avr/avr.c, config/avr/avr.md, config/bfin/bfin.c,
2392 config/darwin9.h, config/darwin.c, config/darwin.h,
2393 config/h8300/h8300.c, config/i386/cpuid.h, config/i386/cygming.h,
2394 config/i386/cygwin.h, config/i386/mingw32.h, config/i386/msformat-c.c,
2395 config/i386/sol2-10.h, config/i386/xopintrin.h, config/ia64/ia64.c,
2396 config/ia64/ia64.md, config/ia64/sync.md, config/mep/mep.c,
2397 config/mips/mips.md, config/mn10300/mn10300.c,
2398 config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.md,
2399 config/rs6000/aix.h, config/rs6000/dfp.md,
2400 config/rs6000/rs6000-builtin.def, config/rs6000/rs6000-c.c,
2401 config/rs6000/vector.md, config/rtems.h, config/rx/rx.md,
2402 config/s390/s390.md, config/sol2-c.c, config/sparc/sol2-bi.h,
2403 config/sparc/sol2-gas.h, config/sparc/sparc.h, config/sparc/sparc.md,
2404 config/sparc/sparc-protos.h, config/spu/spu.c, config/spu/spu-c.c,
2405 config/t-darwin, convert.c, c.opt, c-opts.c, cp/Make-lang.in,
2406 c-pretty-print.c, c-typeck.c, df-core.c, df-scan.c, diagnostic.c,
2407 diagnostic.h, doc/cppopts.texi, doc/cpp.texi, doc/extend.texi,
2408 doc/gimple.texi, doc/languages.texi, doc/plugins.texi, doc/rtl.texi,
2409 doc/standards.texi, doc/tree-ssa.texi, doc/trouble.texi, dominance.c,
2410 fold-const.c, fortran/Make-lang.in, fwprop.c, gcc-plugin.h,
2411 gensupport.c, gimple.h, gimple-iterator.c, graphite.c,
2412 graphite-clast-to-gimple.c, graphite-clast-to-gimple.h,
2413 graphite-dependences.c, graphite-poly.c, graphite-poly.h,
2414 graphite-ppl.c, graphite-ppl.h, graphite-scop-detection.c,
2415 graphite-sese-to-poly.c, graphite-sese-to-poly.h, ifcvt.c, intl.c,
2416 intl.h, ipa.c, ipa-cp.c, ipa-inline.c, ipa-prop.c, ipa-prop.h,
2417 ipa-pure-const.c, ipa-reference.c, ipa-type-escape.c, ira-color.c,
2418 ira-conflicts.c, ira-lives.c, java/Make-lang.in, lambda-code.c,
2419 loop-invariant.c, lto/Make-lang.in, lto-streamer.h, lto-streamer-in.c,
2420 objc/Make-lang.in, objcp/Make-lang.in, omp-low.c, optc-gen.awk,
2421 opt-functions.awk, opth-gen.awk, params.def, passes.c,
2422 postreload-gcse.c, print-tree.c, recog.c, regrename.c, reload.h,
2423 rtl.def, sched-int.h, sched-rgn.c, sel-sched-dump.c, sese.c, sese.h,
2424 store-motion.c, stor-layout.c, tree-cfgcleanup.c, tree-chrec.c,
2425 tree-complex.c, tree-data-ref.c, tree.def, tree-eh.c, tree-flow.h,
2426 tree-flow-inline.h, tree.h, tree-loop-distribution.c, tree-outof-ssa.c,
2427 tree-parloops.c, tree-pass.h, tree-predcom.c, tree-profile.c,
2428 tree-scalar-evolution.c, tree-ssa-address.c, tree-ssa-alias.c,
2429 tree-ssa-coalesce.c, tree-ssa-copy.c, tree-ssa-dce.c, tree-ssa-dom.c,
2430 tree-ssa-dse.c, tree-ssa-loop-im.c, tree-ssa-loop-ivcanon.c,
2431 tree-ssa-loop-manip.c, tree-ssa-math-opts.c, tree-ssa-operands.c,
2432 tree-ssa-pre.c, tree-ssa-sccvn.c, tree-ssa-structalias.c,
2433 tree-ssa-uncprop.c, tree-tailcall.c, tree-vect-data-refs.c,
2434 tree-vect-loop.c, tree-vectorizer.h, tree-vect-slp.c, tree-vrp.c,
2435 unwind-dw2-fde-darwin.c, varpool.c: Update copyright years.
2437 2010-04-02 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2440 * doc/install.texi (Prerequisites): Bump Automake version to 1.11.1.
2441 * aclocal.m4: Regenerate.
2443 2010-04-02 Richard Guenther <rguenther@suse.de>
2445 PR tree-optimization/43629
2446 * tree-ssa-ccp.c (likely_value): Reset all_undefined_operands
2447 if we have seen a constant value.
2449 2010-04-02 Joseph Myers <joseph@codesourcery.com>
2451 * read-rtl.c (read_rtx_1): Give an error for EOF while looking for ']'.
2453 2010-04-02 Richard Earnshaw <rearnsha@arm.com>
2456 * arm.c (legitimize_tls_address): Adjust call to
2457 gen_tls_load_dot_plus_four.
2458 (arm_note_pic_base): New function.
2459 (arm_cannot_copy_insn_p): Use it.
2460 * thumb2.md (tls_load_dot_plus_four): Rework to avoid use of '+' in
2463 2010-04-02 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2468 2009-09-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2470 * Makefile.in ($(out_object_file)): Depend on
2471 gt-$(basename $(notdir $(out_file))).h.
2473 2010-04-01 Ralf Corsépius <ralf.corsepius@rtems.org>
2475 * config.gcc (lm32-*-rtems*): Add t-lm32.
2477 2010-04-01 Joel Sherrill <joel.sherrill@oarcorp.com>
2479 * config.gcc: Add lm32-*-rtems*.
2480 * config/lm32/rtems.h: New file.
2482 2010-04-01 Dave Korn <dave.korn.cygwin@gmail.com>
2485 * config/i386/cygwin.h (CXX_WRAP_SPEC): Disable spec when -mno-cygwin.
2487 2010-04-01 Jakub Jelinek <jakub@redhat.com>
2489 * dwarf2out.c (output_compilation_unit_header): For
2490 -gdwarf-4 use version 4 instead of version 3.
2491 (output_line_info): For version 4 and above emit additional
2492 maximum ops per insn header field.
2493 (DWARF_LINE_DEFAULT_MAX_OPS_PER_INSN): Define.
2495 * dwarf2out.c (is_c_family, is_java): Remove.
2496 (lower_bound_default): New function.
2497 (add_bound_info, gen_descr_array_type_die): Use it.
2499 2010-04-01 Dodji Seketeli <dodji@redhat.com>
2502 * dwarf2out.c (gen_variable_die): Allow debug info for variable
2503 re-declaration when it happens in a function.
2505 2010-04-01 Aldy Hernandez <aldyh@redhat.com>
2507 * cgraph.c (cgraph_add_function_insertion_hook): Update comment.
2508 (cgraph_remove_function_insertion_hook): Same.
2509 (cgraph_call_function_insertion_hooks): Same.
2511 2010-04-01 Richard Guenther <rguenther@suse.de>
2514 * tree-ssa-address.c (copy_mem_ref_info): Copy TREE_SIDE_EFFECTS
2515 and TREE_THIS_VOLATILE.
2516 (copy_ref_info): Likewise.
2517 * tree-ssa-operands.c (get_tmr_operands): Check TREE_THIS_VOLATILE.
2518 * tree.c (build6_stat): Ignore side-effects of all but arg5
2519 for TARGET_MEM_REF. Set TREE_THIS_VOLATILE from arg5 of
2522 2010-04-01 Richard Guenther <rguenther@suse.de>
2524 PR tree-optimization/43607
2525 * ipa-type-escape.c (check_call): Do not access non-existing
2528 2010-04-01 Richard Guenther <rguenther@suse.de>
2532 2010-03-30 Seongbae Park <seongbae.park@gmail.com>
2533 Jack Howarth <howarth@bromo.med.uc.edu>
2535 * tree-profile.c (tree_init_ic_make_global_vars): Make static
2538 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2540 * doc/install.texi (Prerequisites): Document libelf usability on
2541 IRIX 5/6 and Solaris 2.
2542 (Specific, i?86-*-solaris2.10): No 64-bit default configuration.
2543 Update GNU as, GNU ld requirements.
2544 (Specific, *-*-solaris2*): Document Solaris 7 obsoletion, removal.
2545 Document Sun Studio compiler download.
2546 Update and simplify as, ld recommendations.
2547 (Specific, *-*-solaris2.7): Note obsoletion, removal.
2549 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2551 * config.gcc (i[34567]86-*-solaris2*): Default with_arch_32,
2552 with_tune_32 to pentium4.
2554 2010-04-01 Uros Bizjak <ubizjak@gmail.com>
2556 * config/i386/cpuid.h (__get_cpuid_max): Move misplaced comment.
2558 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2560 * doc/install.texi (Specific, mips-sgi-irix5): Document IRIX 5
2561 obsoletion, removal.
2563 Document GNU as requirement.
2564 Update configure requirements.
2565 (Specific, mips-sgi-irix6): Document IRIX 6 < 6.5 obsoletion, removal.
2566 Recomment IRIX 6.5.18+.
2567 Document IDF/IDL requirement.
2568 Document GNU as requirement.
2569 Document GNU ld bootstrap failure.
2570 Remove freeware.sgi.com reference.
2572 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2574 * doc/install.texi (Specific, alpha*-dec-osf*): Document Tru64
2575 UNIX V4.0, V5.0 obsoletion, removal.
2576 Remove --with-gc=simple reference.
2577 Update VM requirements during bootstrap.
2578 Remove -oldas bootstrap description.
2579 Update binutils reference.
2580 Remove comparison failure note.
2582 2010-03-31 Richard Guenther <rguenther@suse.de>
2583 Zdenek Dvorak <ook@ucw.cz>
2584 Sebastian Pop <sebastian.pop@amd.com>
2587 * tree-ssa-copy.c (init_copy_prop): Handle loop close phi nodes
2588 with multiple arguments.
2589 (execute_copy_prop): Remove call to rewrite_into_loop_closed_ssa.
2591 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
2593 * graphite-dependences.c (print_pddr): Call print_pdr with an
2595 * graphite-poly.c (debug_pdr): Add an extra argument for the
2598 (print_pbb_domain): Same.
2600 (print_scop_context): Same.
2602 (print_cloog): Same.
2603 (debug_pbb_domain): Same.
2607 (debug_scop_context): Same.
2609 (debug_cloog): Same.
2610 (print_scop_params): Same.
2611 (debug_scop_params): Same.
2612 (print_iteration_domain): Same.
2613 (print_iteration_domains): Same.
2614 (debug_iteration_domain): Same.
2615 (debug_iteration_domains): Same.
2616 (print_scattering_function): Same.
2617 (print_scattering_functions): Same.
2618 (debug_scattering_function): Same.
2619 (debug_scattering_functions): Same.
2620 * graphite-poly.h (debug_pdr): Update declaration.
2622 (print_pbb_domain): Same.
2624 (print_scop_context): Same.
2626 (print_cloog): Same.
2627 (debug_pbb_domain): Same.
2631 (debug_scop_context): Same.
2633 (debug_cloog): Same.
2634 (print_scop_params): Same.
2635 (debug_scop_params): Same.
2636 (print_iteration_domain): Same.
2637 (print_iteration_domains): Same.
2638 (debug_iteration_domain): Same.
2639 (debug_iteration_domains): Same.
2640 (print_scattering_function): Same.
2641 (print_scattering_functions): Same.
2642 (debug_scattering_function): Same.
2643 (debug_scattering_functions): Same.
2645 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
2647 * graphite-poly.c (print_scattering_function_1): New.
2648 (print_scattering_function): Call it.
2649 (print_scop_params): Remove spaces at the end of lines.
2652 * graphite-poly.h (print_cloog): Declared.
2653 (debug_cloog): Declared.
2655 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
2657 * graphite-sese-to-poly.c (graphite_loop_normal_form): Add the IV bump
2659 * tree-flow.h (canonicalize_loop_ivs): Updated declaration.
2660 * tree-parloops.c (gen_parallel_loop): Add the IV bump in loop->latch.
2661 * tree-ssa-loop-manip.c (canonicalize_loop_ivs): Add a new parameter
2662 to switch between adding the IV bump in loop->latch or in loop->header.
2664 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
2666 * graphite-poly.c (print_scattering_function): Pretty print following
2669 (print_pbb_domain): Same.
2670 (dump_gbb_cases): Same.
2671 (dump_gbb_conditions): Same.
2674 (print_scop_params): Same.
2675 (print_scop_context): Same.
2677 (print_pbb_body): New.
2678 (lst_indent_to): New.
2679 (print_lst): Start new lines with a #.
2680 * graphite-poly.h (pbb_bb): New.
2681 (pbb_index): Use pbb_bb.
2682 * graphite-ppl.c (ppl_print_powerset_matrix): Print the number of
2684 * tree-data-ref.c (dump_data_reference): Start new lines with a #.
2686 2010-03-31 Jakub Jelinek <jakub@redhat.com>
2688 * dwarf2out.c (size_of_die): For -gdwarf-4 use
2689 uleb128 size instead of fixed 1 or 2 for dw_val_class_loc
2690 and 0 instead of 1 for dw_val_class_flag.
2691 (value_format): For -gdwarf-4 use DW_FORM_sec_offset for
2692 dw_val_class_range_list, dw_val_class_loc_list,
2693 dw_val_class_lineptr and dw_val_class_macptr, use
2694 DW_FORM_flag_present for dw_val_class_flag and
2695 DW_FORM_exprloc for dw_val_class_loc.
2696 (output_die): For -gdwarf-4 print dw_val_class_loc
2697 size as uleb128 instead of 1 or 2 bytes and don't print
2698 anything for dw_val_class_flag.
2700 * var-tracking.c (vt_init_cfa_base): Use cselib_lookup_from_insn
2701 instead of cselib_lookup following by tweaking locs->setting_insn.
2704 * cselib.c (cselib_process_insn): Clear cselib_current_insn
2705 even before returning from label, setjmp call or volatile asm
2708 2010-03-31 Richard Guenther <rguenther@suse.de>
2711 * cgraphunit.c (cgraph_output_in_order): Do not allocate
2712 temporary data on stack.
2714 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2716 * config/sparc/sysv4.h (PUSHSECTION_FORMAT): Remove undef.
2717 (PUSHSECTION_ASM_OP): Remove.
2718 (POPSECTION_ASM_OP): Remove.
2719 (PUSHSECTION_FORMAT): Remove.
2720 * config/sol2.h (PUSHSECTION_FORMAT): Define.
2721 * config/sparc/sol2.h [!USE_GAS] (PUSHSECTION_FORMAT): Redefine.
2722 * config/sol2.c (solaris_output_init_fini): Use it.
2724 2010-03-31 Jie Zhang <jie@codesourcery.com>
2727 * opt-functions.awk (var_type_struct): Use signed char type
2728 for simple variables.
2730 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2732 * config/sol2.c: Include output.h.
2733 (solaris_assemble_visibility): New function.
2734 * config/t-sol2 (sol2.o): Add output.h dependency.
2735 * config/sol2-protos.h (solaris_assemble_visibility): Declare.
2736 * config/sol2.h [!USE_GAS] (TARGET_ASM_ASSEMBLE_VISIBILITY):
2739 2010-03-31 Jakub Jelinek <jakub@redhat.com>
2742 * config/arm/arm.c (arm_save_coproc_regs): Use Pmode instead of
2743 V2SImode or XFmode on PRE_DEC.
2746 * cfgexpand.c (expand_debug_expr): Handle VOIDmode mode like
2749 2010-03-31 Jie Zhang <jie@codesourcery.com>
2752 * reload.h (caller_save_initialized_p): Declare.
2753 * toplev.c (backend_init_target): Don't call
2754 init_caller_save but set caller_save_initialized_p to false.
2755 * caller-save.c (caller_save_initialized_p): Define.
2756 (init_caller_save): Check caller_save_initialized_p.
2757 * ira.c (ira): Call init_caller_save if flag_caller_saves.
2759 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2762 * config.gcc (i[34567]86-*-solaris2*): Add i386/t-fprules-softfp
2763 and soft-fp/t-softfp to tmake_file.
2764 * config/i386/sol2.h (LIBGCC2_HAS_TF_MODE): Redefine.
2765 (LIBGCC2_TF_CEXT): Define.
2768 2010-03-30 Alexandre Oliva <aoliva@redhat.com>
2771 * cselib.c (n_useless_values): Document handling of debug locs.
2772 (n_useless_debug_values, n_debug_values): New variables.
2773 (new_elt_loc_list): Don't add to debug values, keep count.
2774 (promote_debug_loc): New.
2775 (cselib_reset_table): Zero new variables.
2776 (entry_and_rtx_equal_p): Promote debug locs.
2777 (discard_useless_locs): Increment n_useless_debug_values for
2779 (remove_useless_values): Adjust n_useless_values and n_debug_values
2780 with n_useless_debug_values.
2781 (add_mem_for_addr): Promote debug locs.
2782 (cselib_lookup_mem): Likewise.
2783 (cselib_lookup_addr): Renamed to...
2784 (cselib_lookup_addr_1): ... this. Promote debug locs. Don't call...
2785 (cselib_log_lookup): ... this. Turn into...
2786 (cselib_lookup_addr): ... new wrapper.
2787 (cselib_lookup_from_insn): New.
2788 (cselib_invalidate_regno): Increment n_useless_debug_values for
2790 (cselib_invalidate_mem): Likewise.
2791 (cselib_process_insn): Take n_deleted and n_debug_values into
2792 account to guard remove_useless_value call.
2793 (cselib_finish): Zero n_useless_debug_values.
2794 * cselib.h (cselib_lookup_from_insn): Declare.
2795 * sched-deps.c (sched_analyze_1): Use cselib_lookup_from_insn.
2796 (sched_analyze_2): Likewise.
2798 2010-03-30 Jakub Jelinek <jakub@redhat.com>
2800 * var-tracking.c (use_narrower_mode_test, use_narrower_mode): New
2802 (adjust_mems): Replace narrowing SUBREG of expression containing
2803 just PLUS, MINUS, MULT and ASHIFT of registers and constants
2804 with operations in the narrower mode.
2807 * var-tracking.c (dataflow_set_clear_at_call): Invalidate just
2808 regs_invalidated_by_call instead all call_used_reg_set registers.
2810 2010-03-30 Sebastian Pop <sebastian.pop@amd.com>
2813 * tree-vect-slp.c (vect_get_and_check_slp_defs): Replace type
2814 pointer comparisons with types_compatible_p.
2815 * tree-vect-stmts.c (vectorizable_call): Same.
2816 (vectorizable_condition): Same.
2818 2010-03-30 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2820 * config/s390/s390.c (s390_emit_prologue): Omit issuing a dynamic
2821 stack check if the mask would be zero.
2823 2010-03-30 Seongbae Park <seongbae.park@gmail.com>
2824 Jack Howarth <howarth@bromo.med.uc.edu>
2826 * tree-profile.c (tree_init_ic_make_global_vars): Make static
2829 2010-03-30 Joseph Myers <joseph@codesourcery.com>
2832 * libgcc-std.ver (GCC_4.5.0): Define version. Include __unordxf2
2834 * config/bfin/libgcc-bfin.ver (GCC_4.5.0): Define version.
2835 Include ___unordxf2 and ___unordtf2.
2836 * config/i386/libgcc-glibc.ver: Do not define inheritance from
2839 2010-03-30 Tarik Graba <tarik.graba@telecom-paristech.fr>
2841 * config/lm32/t-lm32: New file.
2842 * config.gcc: Use the above file when targetting lm32.
2844 2010-03-28 Duncan Sands <baldrick@free.fr>
2846 * Makefile.in (PLUGIN_HEADERS): Add except.h.
2848 2010-03-29 Sebastian Pop <sebastian.pop@amd.com>
2851 * tree-vect-loop.c (vect_estimate_min_profitable_iters):
2852 Improve vectorization cost model diagnostic.
2854 2010-03-29 Sebastian Pop <sebastian.pop@amd.com>
2857 * tree-vect-data-refs.c (vect_analyze_data_refs): When
2858 compute_data_dependences_for_loop returns false, early exit
2859 and output an extra diagnostic for the failed data reference
2862 2010-03-29 Richard Guenther <rguenther@suse.de>
2864 PR tree-optimization/43560
2865 * tree-ssa-loop-im.c (ref_always_accessed_p): Add store_p parameter.
2866 (can_sm_ref_p): Treat stores to readonly locations as trapping.
2868 2010-03-29 Jie Zhang <jie@codesourcery.com>
2871 * toplev.c (process_options): Set optimization_default_node
2872 and optimization_current_node.
2873 * opts.c (decode_options): Don't set optimization_default_node
2874 and optimization_current_node.
2876 2010-03-29 Ralf Corsépius <ralf.corsepius@rtems.org>
2878 * config/rtems.h: Abandon -qrtems_debug.
2880 2010-03-28 Jan Hubicka <jh@suse.cz>
2882 PR tree-optimization/43505
2883 * cgraph.c (cgraph_clone_node): When clonning a clone, replacement
2884 map should not be copied.
2886 2010-03-27 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2889 * cgraphunit.c (cgraph_build_static_cdtor): If target doesn't have
2890 cdtors, set DECL_PRESERVE_P.
2891 * ipa.c (cgraph_externally_visible_p): Return true if declaration
2894 2010-03-27 Uros Bizjak <ubizjak@gmail.com>
2896 PR tree-optimization/43528
2897 * stor-layout.c (place_field): Check that constant fits into
2898 unsigned HWI when skipping calculation of MS bitfield layout.
2900 2010-03-27 Jan Hubicka <jh@suse.cz>
2903 * varasm.c (make_decl_rtl): Deal with COMMON flag to make
2904 notice_global_symbol work.
2906 2010-03-27 Jakub Jelinek <jakub@redhat.com>
2908 * dwarf2out.c (dwarf2_debug_hooks): Use dwarf2out_function_decl
2909 instead of dwarf2out_decl.
2910 (struct var_loc_node): Remove section_label field.
2911 (dwarf2out_function_decl): New function.
2912 (dwarf2out_var_location): Don't set section_label field.
2913 (dwarf2out_begin_function): Don't empty decl_loc_table here.
2915 2010-03-26 Michael Meissner <meissner@linux.vnet.ibm.com>
2917 PR tree-optimization/43544
2918 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
2919 First argument for builtin vectorized function hook is now a
2920 tree to be able to distinguish between machine specific and
2922 * targhooks.c (default_builtin_vectorized_function): Ditto.
2923 * targhooks.h (default_builtin_vectorized_function): Ditto.
2924 * target.h (struct gcc_target): Ditto.
2925 * tree-vect-stmts.c (vectorizable_function): Ditto.
2926 * config/i386/i386.c (ix86_builtin_vectorized_function): Ditto.
2927 * config/rs6000/rs6000.c (rs6000_builtin_vectorized_function):
2930 2010-03-26 Joseph Myers <joseph@codesourcery.com>
2933 * c-decl.c (get_parm_info): Assert that decl going in OTHERS has a
2934 nested binding iff it is a FUNCTION_DECL.
2935 (store_parm_decls_newstyle): Pass nested=true to bind for
2936 FUNCTION_DECLs amongst parameters.
2938 2010-03-26 Jakub Jelinek <jakub@redhat.com>
2940 * var-tracking.c (vt_expand_loc_callback): Don't run
2941 cselib_expand_value_rtx_cb in dummy mode if
2942 cselib_dummy_expand_value_rtx_cb returned false.
2944 * var-tracking.c (emit_note_insn_var_location): For one part
2945 notes with offset 0, don't add EXPR_LIST around the location.
2946 * dwarf2out.c (loc_descriptor, dw_loc_list_1,
2947 add_location_or_const_value_attribute): Adjust for that change.
2950 * dwarf2out.c (reg_save): For DW_CFA_expression put regnum
2951 into first operand and location into second.
2952 (dw_cfi_oprnd1_desc): Return dw_cfi_oprnd_reg_num instead of
2953 dw_cfi_oprnd_loc for DW_CFA_expression.
2954 (dw_cfi_oprnd2_desc): Return dw_cfi_oprnd_loc for DW_CFA_expression.
2955 (output_cfa_loc, output_cfa_loc_raw): For DW_CFA_expression
2956 assume first argument is regnum and second argument is location.
2958 2010-03-26 Uros Bizjak <ubizjak@gmail.com>
2961 * config/alpha/alpha.md (*cmp_sadd_si): Change mode
2962 of scratch register to DImode. Split to DImode comparison operator.
2963 Use SImode subreg of scratch register in the multiplication.
2964 (*cmp_sadd_sidi): Ditto.
2965 (*cmp_ssub_si): Ditto.
2966 (*cmp_ssub_sidi): Ditto.
2968 2010-03-26 Uros Bizjak <ubizjak@gmail.com>
2971 * config/i386/i386.c (ix86_expand_prologue) [TARGET_STACK_PROBE]:
2972 Remove invalid assert and wrong comment.
2974 2010-03-26 Jakub Jelinek <jakub@redhat.com>
2977 * flags.h (final_insns_dump_p): New extern.
2978 * final.c (final_insns_dump_p): New variable.
2979 (rest_of_clean_state): Set it before -fdump-final-insns=
2980 dumping, clear afterwards.
2981 * print-rtl.c (print_rtx): If final_insns_dump_p don't dump
2982 MEM_ALIAS_SET on MEMs.
2984 2010-03-26 David S. Miller <davem@davemloft.net>
2986 * configure.ac: Fix sparc GOTDATA_OP bug check.
2987 * configure: Rebuild.
2989 2010-03-26 Alan Modra <amodra@gmail.com>
2991 * config/rs6000/rs6000.md (cmptf_internal2): Correct comparison.
2993 2010-03-25 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2995 * doc/tm.texi (Sections): Document TLS_COMMON_ASM_OP,
2996 TLS_SECTION_ASM_FLAG.
2998 2010-03-25 Jakub Jelinek <jakub@redhat.com>
3001 * config/i386/i386.c (ix86_code_end): Set DECL_WEAK if TARGET_MACHO.
3002 Clear first_function_block_is_cold.
3005 * gimplify.c (gimple_boolify): Only recurse on __builtin_expect
3006 argument if the argument is truth_value_p.
3008 2010-03-24 Michael Meissner <meissner@linux.vnet.ibm.com>
3010 * config/rs6000/constraints.md: Update copyright year for my changes.
3013 * config/rs6000/rs6000.c (rs6000_split_multireg_move): If r0 is
3014 used in reg+reg addressing, swap registers.
3016 2010-03-24 Jakub Jelinek <jakub@redhat.com>
3019 * target.h (struct gcc_target): Add code_end hook.
3020 * target-def.h (TARGET_ASM_CODE_END): Define to hook_void_void
3022 (TARGET_ASM_OUT): Add TARGET_ASM_CODE_END.
3023 * toplev.c (compile_file): Call targetm.asm_out.code_end
3024 hook before unwind info/debug info output.
3025 * config/i386/winnt.c (i386_pe_file_end): Don't call ix86_file_end.
3026 * config/i386/linux.h (NEED_INDICATE_EXEC_STACK): Don't define.
3027 (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
3028 * config/i386/linux64.h (NEED_INDICATE_EXEC_STACK): Don't define.
3029 (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
3030 * config/i386/i386.c (ix86_file_end): Renamed to...
3031 (ix86_code_end): ... this. Make static. Don't call
3032 file_end_indicate_exec_stack. Emit unwind info using
3033 final_start_function/final_end_function.
3034 (darwin_x86_file_end): Remove.
3035 (TARGET_ASM_CODE_END): Define.
3036 * config/i386/i386.h (TARGET_ASM_FILE_END,
3037 NEED_INDICATE_EXEC_STACK): Don't define.
3038 * config/i386/darwin.h (darwin_x86_file_end): Remove prototype.
3039 (TARGET_ASM_FILE_END): Define to darwin_file_end.
3040 * config/i386/i386-protos.h (ix86_file_end): Remove prototype.
3041 * doc/tm.texi (TARGET_ASM_CODE_END): Document.
3044 * config/i386/i386.c (x86_output_mi_thunk): Call final_start_function
3045 at the beginning and final_end_function at the end.
3046 * config/s390/s390.c (s390_output_mi_thunk): Likewise.
3048 2010-03-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3050 * configure.ac (i[34567]86-*-*): Handle Solaris 2/x86 TLS support
3051 and Sun as TLS syntax.
3052 (TLS_SECTION_ASM_FLAG) [on_solaris && !gas_flag]: Define.
3053 * configure: Regenerate.
3054 * config.in: Regenerate.
3055 * varasm.c (TLS_SECTION_ASM_FLAG): Define default.
3056 (default_elf_asm_named_section): Use it.
3057 * config/i386/i386.c (output_pic_addr_const): Lowercase @DTPOFF.
3058 (i386_output_dwarf_dtprel): Likewise.
3059 (output_addr_const_extra): Likewise.
3060 (output_pic_addr_const): Lowercase @GOTTPOFF.
3061 (output_addr_const_extra): Likewise.
3062 (output_pic_addr_const): Lowercase @GOTNTPOFF.
3063 (output_addr_const_extra): Likewise.
3064 (output_pic_addr_const): Lowercase @INDNTPOFF.
3065 (output_addr_const_extra): Likewise.
3066 (output_pic_addr_const): Lowercase @NTPOFF.
3067 (output_addr_const_extra): Likewise.
3068 (output_pic_addr_const): Lowercase @TPOFF.
3069 (output_addr_const_extra): Likewise.
3070 * config/i386/i386.md (*tls_global_dynamic_32_gnu): Lowercase @TLSGD.
3071 (*tls_global_dynamic_64): Likewise.
3072 (*tls_local_dynamic_base_32_gnu): Lowercase @TLSLDM.
3073 (*tls_local_dynamic_base_64): Lowercase @TLSLD.
3075 * defaults.h (TLS_COMMON_ASM_OP): Provide default.
3076 (ASM_OUTPUT_TLS_COMMON): Use it.
3077 * config/i386/sol2-gas.h (TLS_COMMON_ASM_OP): Undef.
3080 * config.gcc (sparc*-*-solaris2*) [$gas=yes]: Add usegas.h to tm_file.
3081 * config/sparc/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): Move ...
3082 * config/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): ... here.
3083 * config/i386/sol2-10.h (ASM_OUTPUT_ALIGNED_COMMON): Redefine.
3084 * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
3085 (ASM_DECLARE_OBJECT_NAME) [!USE_GAS]: Redefine.
3087 2010-03-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3089 * config/i386/i386.c (override_options): Don't accept
3090 -mtls-dialect=sun any longer.
3091 * config/i386/i386.h (TARGET_SUN_TLS): Define as 0.
3092 * config/i386/i386.md (*tls_global_dynamic_32_sun): Remove.
3093 (*tls_local_dynamic_base_32_sun): Likewise.
3094 * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
3096 2010-03-24 Jakub Jelinek <jakub@redhat.com>
3099 * dwarf2out.c (mem_loc_descriptor): Don't ICE on
3100 VEC_{MERGE,SELECT,CONCAT,DUPLICATE}.
3103 * ira.c (adjust_cleared_regs): New function.
3104 (update_equiv_regs): Adjust cleared_regs in DEBUG_INSNs.
3108 * cfgexpand.c (gimple_assign_rhs_to_tree): Also set TREE_BLOCK
3110 * expr.c (expand_expr_real): Restore previous
3111 curr_insn_source_location and curr_insn_block after
3112 expand_expr_real_1 call.
3113 (expand_expr_real_1) <case SSA_NAME>: Call expand_expr_real
3114 instead of expand_expr_real_1.
3116 2010-03-23 Vladimir Makarov <vmakarov@redhat.com>
3118 PR rtl-optimization/43413
3119 * ira-color.c (setup_allocno_available_regs_num): Count prohibited
3122 2010-03-22 James E. Wilson <wilson@codesourcery.com>
3125 * ia64.md (call_nogp, call_value_nogp, sibcall_nogp, call_gp,
3126 call_value_gp, sibcall_gp): Use 's' constraint not 'i'.
3128 2010-03-22 H.J. Lu <hongjiu.lu@intel.com>
3130 * config/i386/i386.c (ix86_target_string): Add -mfma.
3131 Fix a typo in comment.
3133 2010-03-22 Mike Stump <mikestump@comcast.net>
3136 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
3137 Don't overly align based upon packed packed fields.
3139 2010-03-22 Jason Merrill <jason@redhat.com>
3141 * c-pretty-print.c (pp_c_specifier_qualifier_list) [VECTOR_TYPE]:
3142 Use () rather than [], and move before the element type.
3144 2010-03-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3146 * doc/configfiles.texi (Configuration Files): Removed
3147 fixinc/Makefile*, intl/Makefile.*.
3148 * doc/makefile.texi: Fixed markup. Abstract from version
3149 control system used.
3150 (Makefile): Removed obsolete gcc/java/parse.y example.
3151 * doc/sourcebuild.texi: Likewise.
3152 (Top Level): Added config, gnattools, libdecnumber, libgcc,
3153 libgomp, libssp. Removed fastjar.
3154 (Miscellaneous Docs): Clarify location.
3155 Added COPYING3, COPYING3.LIB.
3156 (Front End Directory): Moved Make-lang.in entry to new subsubsection.
3158 2010-03-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3161 * config/i386/i386.c (x86_function_profiler)
3162 [!NO_PROFILE_COUNTERS]: Fix typo.
3163 * config/i386/gmon-sol2.c (_mcleanup) [__x86_64__]: Use call
3166 2010-03-22 Janis Johnson <janis187@us.ibm.com>
3167 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3169 * doc/sourcebuild.texi (Test Directives): Split into six
3170 subsections, with most of the current text in new subsections
3171 Directives, Selectors, and Final Actions.
3172 (Directives): Split list of test directives into multiple
3174 (Selectors): Describe use and syntax of selectors.
3175 (Effective-Target Keywords): Describe all existing keywords.
3176 (Add Options): Describe features for dg-add-options.
3177 (Require Support): Describe variants of dg-require-support.
3178 (Final Actions): Describe commands to use in dg-final.
3180 2010-03-22 Michael Matz <matz@suse.de>
3183 * recog.c (validate_replace_rtx_group): Replace also in
3184 REG_EQUAL and REG_EQUIV notes.
3186 2010-03-22 Richard Guenther <rguenther@suse.de>
3188 PR tree-optimization/43390
3189 * tree-vect-stmts.c (get_vectype_for_scalar_type): Make
3190 sure vector extracts are type correct.
3192 2010-03-22 Richard Guenther <rguenther@suse.de>
3195 * builtins.c (expand_builtin_pow): Expand pow (x, 1.5) as
3196 x * sqrt (x) even when optimizing for size if the target
3197 has native support for sqrt.
3199 2010-03-22 Jakub Jelinek <jakub@redhat.com>
3201 * varasm.c (make_decl_rtl_for_debug): Also clear
3202 flag_mudflap for the duration of make_decl_rtl call.
3205 * var-tracking.c (add_cselib_value_chains): Remove ASM_OPERANDS
3206 locs from preserved VALUEs.
3208 2010-03-21 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3211 * pa.md (movmemsi): Set align to one if zero.
3212 (movmemdi): Likewise.
3214 2010-03-21 Richard Earnshaw <rearnsha@arm.com>
3217 * arm.c (arm_output_epilogue): Correctly match VFP pop instructions
3218 with their corresponding prologue pushes.
3220 2010-03-20 Andrew Pinski <pinskia@gmail.com>
3223 * config/spu/spu.c (spu_expand_prologue): Don't emit NOTE_INSN_DELETED
3224 at the begining or end.
3225 (spu_expand_epilogue): Likewise.
3227 2010-03-20 Richard Guenther <rguenther@suse.de>
3229 PR rtl-optimization/43438
3230 * combine.c (make_extraction): Properly zero-/sign-extend an
3231 extraction of the low part of a CONST_INT. Also handle
3234 2010-03-19 Mike Stump <mikestump@comcast.net>
3236 * config/i386/darwin.h (SUBTARGET32_DEFAULT_CPU): Add.
3237 * config/i386/i386.c (SUBTARGET32_DEFAULT_CPU): Add.
3238 (override_options): Use SUBTARGET32_DEFAULT_CPU.
3240 2010-03-19 Andrew Pinski <andrew_pinski@caviumnetworks.com>
3243 * c-decl.c (grokparms): Set arg_types to NULL_TREE if there was
3246 2010-03-19 Bernd Schmidt <bernds@codesourcery.com>
3248 PR rtl-optimization/42258
3249 * ira-lives.c (check_and_make_def_conflict): Ignore conflict for a
3250 use that may match DEF.
3253 * optabs.c (avoid_expensive_constant): Use rtx_cost to find out
3254 the cost of loading the constant rather than assuming
3256 * config/arm/arm.c (thumb1_rtx_costs) <case CONST_INT>: If the
3257 outer code is AND, do the same tests as the andsi3 expander and
3258 return COSTS_N_INSNS (1) if and is cheap.
3260 * optabs.c (avoid_expensive_constant): Fix formatting.
3262 2010-03-19 Michael Matz <matz@suse.de>
3265 * attribs.c (decl_attributes): When rebuilding a function pointer
3266 type use the same qualifiers as the original pointer type.
3268 2010-03-19 Martin Jambor <mjambor@suse.cz>
3270 * doc/gimple.texi (Logical Operators): Describe is_gimple_ip_invariant
3271 and is_gimple_ip_invariant_address.
3273 2010-03-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
3276 2009-10-01 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
3278 * config/arm/arm.c (arm_override_options): Turn off
3279 flag_dwarf2_cfi_asm for AAPCS variants.
3281 2010-03-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
3284 * config/arm/arm.c (emit_multi_reg_push): Update comments.
3285 Use PRE_MODIFY instead of PRE_DEC.
3286 (emit_sfm): Use PRE_MODIFY instead of PRE_DEC.
3287 (vfp_emit_fstmd): Likewise.
3289 2010-03-19 Michael Matz <matz@suse.de>
3292 * builtins.c (expand_builtin_interclass_mathfn,
3293 expand_builtin_signbit): Use maybe_emit_unop_insn, emit libcalls
3296 2010-03-19 Richard Guenther <rguenther@suse.de>
3298 PR tree-optimization/43415
3299 * tree-ssa-pre.c (phi_translate): Split out worker to ...
3300 (phi_translate_1): ... this.
3301 (phi_translate): Move all caching here. Cache all NARY
3302 and REFERENCE translations.
3304 2010-03-19 David S. Miller <davem@davemloft.net>
3306 With help from Eric Botcazou.
3307 * config/sparc/sparc.c: Include dwarf2out.h.
3308 (emit_pic_helper): Delete.
3309 (pic_helper_symbol_name): Delete.
3310 (pic_helper_emitted_p): Delete.
3311 (pic_helper_needed): New.
3312 (USE_HIDDEN_LINKONCE): Define to '1' if HAVE_GAS_HIDDEN else '0'.
3313 (get_pc_thunk_name): New.
3314 (load_pic_register): Remove 'delay_pic_helper' arg. Use
3315 get_thunk_pc_name and ggc_strdup to generate PIC thunk symbol.
3316 Set pic_helper_needed to true. Don't call emit_pic_helper.
3317 (sparc_expand_prologue): Update load_pic_register call.
3318 (sparc_output_mi_thunk): Likewise.
3319 (sparc_file_end): Emit a hidden comdat symbol for the PIC
3320 thunk if possible. Output CFI information as needed.
3322 2010-03-18 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
3323 Jack Howarth <howarth@bromo.med.uc.edu>
3326 * config/i386/i386.h: Fix ABI on darwin x86-32.
3328 2010-03-18 Aldy Hernandez <aldyh@redhat.com>
3330 * tree.h: Declare make_decl_rtl_for_debug.
3331 * varasm.c (make_decl_rtl_for_debug): New.
3332 * dwarf2out.c (rtl_for_decl_location): Call it.
3333 * cfgexpand.c (expand_debug_expr): Call it.
3335 2010-03-18 Jakub Jelinek <jakub@redhat.com>
3338 * var-tracking.c (adjust_mems) <case POST_MODIFY>: Allow BLKmode
3342 * var-tracking.c (vt_init_cfa_base): Do nothing if
3343 cfa_base_rtx would be hard_frame_pointer_rtx or non-fixed register.
3345 2010-03-18 Alexandre Oliva <aoliva@redhat.com>
3348 * var-tracking.c (canonicalize_vars_star): New.
3349 (dataflow_post_merge_adjust): Use it.
3351 2010-03-18 Jakub Jelinek <jakub@redhat.com>
3354 * var-tracking.c (non_suitable_const): New function.
3355 (add_uses): For DEBUG_INSNs with constants, don't record any
3356 value, instead just the constant value itself.
3357 (compute_bb_dataflow) <case MO_VAL_LOC>: If PAT_VAR_LOCATION_LOC
3358 is not VAR_LOC_UNKNOWN_P, set var to the constant.
3359 (emit_notes_in_bb): Likewise.
3360 (emit_note_insn_var_location): For onepart variables if
3361 cur_loc is a VOIDmode constant, use DECL_MODE.
3363 2010-03-18 Martin Jambor <mjambor@suse.cz>
3366 * cgraph.h (cgraph_redirect_edge_call_stmt_to_callee): Declare.
3367 * cgraphunit.c (cgraph_materialize_all_clones): Update calls in
3368 all non-clones. Moved call redirection...
3369 (cgraph_redirect_edge_call_stmt_to_callee): ...to this new function.
3370 (cgraph_materialize_all_clones): Dispose of all
3371 combined_args_to_skip bitmaps.
3372 (verify_cgraph_node): Do not check for edges pointing to wrong
3373 nodes in inline clones.
3374 * tree-inline.c (copy_bb): Call
3375 cgraph_redirect_edge_call_stmt_to_callee.
3376 * ipa.c (cgraph_remove_unreachable_nodes): Call
3377 cgraph_node_remove_callees even when there are used clones.
3379 2010-03-18 H.J. Lu <hongjiu.lu@intel.com>
3381 * config/i386/libgcc-glibc.ver: Make GCC_4.5.0 inherit GCC_4.4.0.
3383 2010-03-18 H.J. Lu <hongjiu.lu@intel.com>
3386 * config/i386/libgcc-glibc.ver: Add __extendxftf2 to GCC_4.5.0
3389 2010-03-18 Michael Matz <matz@suse.de>
3392 * builtins.c (expand_builtin_pow): Don't transform pow(x, 0.5)
3393 into sqrt(x) if we need to preserve signed zeros.
3395 2010-03-18 Steven Bosscher <steven@gcc.gnu.org>
3396 Eric Botcazou <ebotcazou@adacore.com>
3398 PR rtl-optimization/43360
3399 * loop-invariant.c (move_invariant_reg): Remove the REG_EQUAL
3400 note if we don't know its invariant status.
3402 2010-03-18 Michael Matz <matz@suse.de>
3404 PR tree-optimization/43402
3405 * tree-cfgcleanup.c (cleanup_control_expr_graph): Don't follow
3406 PHI chains of ssa names registered for update.
3408 2010-03-17 Peter Bergner <bergner@vnet.ibm.com>
3411 * config/rs6000/rs6000.c (rs6000_split_multireg_move): Add support for
3412 non-offsettable and pre_modify update addressing.
3413 * config/rs6000/dfp.md (*movdd_hardfloat32): Make the "0", "1"
3414 and "2" alternatives "#".
3415 (*movdd_softfloat32): Make all alternatives "#";
3416 * config/rs6000/rs6000.md (DIFD): New define_mode_iterator.
3417 (*movdf_hardfloat32): Make the "0", "1" and "2" alternatives "#".
3418 (*movdf_softfloat32): Make all alternatives "#";
3419 (movdi): Use the new DIFD mode iterator to create a common splitter
3420 for movdi, movdf and movdd patterns.
3422 2010-03-18 Shujing Zhao <pearly.zhao@oracle.com>
3424 * common.opt (dumpdir): Remove redundant tab.
3426 2010-03-17 Martin Jambor <mjambor@suse.cz>
3428 PR tree-optimization/43347
3429 * tree-sra.c (create_access_replacement): Set TREE_NO_WARNING when the
3430 original base is DECL_ARTIFICIAL or DECL_IGNORED_P.
3432 2010-03-17 Bernd Schmidt <bernd.schmidt@analog.com>
3434 PR rtl-optimization/42216
3435 * regrename.c (create_new_chain): New function, broken out from...
3436 (scan_rtx_reg): ... here. Call it. Handle the case where we are
3437 appending a use to an empty chain.
3438 (build_def_use): Remove previous changes that convert OP_INOUT to
3439 OP_OUT operands; instead detect the case where an OP_INOUT operand
3440 uses a previously untracked register and create an empty chain for it.
3442 2010-03-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3444 * doc/extend.texi (Function Attributes): Rewrite unfinished
3445 sentence in ms_abi documentation.
3447 2010-03-17 Alan Modra <amodra@gmail.com>
3449 * config/rs6000/linux64.opt (mprofile-kernel): Use profile_kernel var.
3450 * config/rs6000/linux64.h (TARGET_PROFILE_KERNEL): Define.
3451 (SUBSUBTARGET_OVERRIDE_OPTIONS): Don't use SET_PROFILE_KERNEL.
3452 * config/rs6000/rs6000.c (SET_PROFILE_KERNEL): Don't define.
3454 2010-03-16 Richard Henderson <rth@redhat.com>
3457 * tree-eh.c (replace_goto_queue): Also replace in the eh_seq.
3458 (lower_try_finally): Save and restore eh_seq around the expansion
3461 2010-03-16 Aldy Hernandez <aldyh@redhat.com>
3463 * graphite-sese-to-poly.c (split_reduction_stmt): Skip debug
3464 statements before splitting block.
3466 2010-03-16 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3468 * doc/sourcebuild.texi (Testsuites): Fix markup.
3469 Use pathnames relative to gcc/testsuite.
3470 (Test Directives): Move description of how timeout is determined.
3471 (Ada Tests): Favor gnat.exp over ada/acats/tests/gcc.
3472 (C Tests): Correct gcc.misc-tests directory.
3473 Framework tests now live in gcc.test-framework.
3475 2010-03-16 Richard Guenther <rguenther@suse.de>
3478 * tree-cfg.c (gimple_merge_blocks): When propagating virtual PHI
3479 operands make sure to merge SSA_NAME_OCCURS_IN_ABNORMAL_PHI properly.
3481 2010-03-16 Aldy Hernandez <aldyh@redhat.com>
3482 Alexandre Oliva <aoliva@redhat.com>
3484 PR tree-optimization/42917
3485 * lambda-code.c (remove_iv): Skip debug statements.
3486 (lambda_loopnest_to_gcc_loopnest): Likewise.
3487 (not_interesting_stmt): Debug statements are not interesting.
3489 2010-03-16 Jakub Jelinek <jakub@redhat.com>
3493 * cselib.c (cselib_preserve_constants,
3494 cfa_base_preserved_val): New static variables.
3495 (preserve_only_constants): New function.
3496 (cselib_reset_table): If cfa_base_preserved_val is non-NULL, don't
3497 clear its REG_VALUES. If cselib_preserve_constants, don't
3498 empty the whole hash table, but preserve there VALUEs with constants,
3499 cfa_base_preserved_val and cfa_base_preserved_val plus constant.
3500 (cselib_preserve_cfa_base_value): New function.
3501 (cselib_invalidate_regno): Don't invalidate cfa_base_preserved_val.
3502 (cselib_init): Change argument to int bitfield. Set
3503 cselib_preserve_constants to whether CSELIB_PRESERVE_CONSTANTS
3505 (cselib_finish): Clear cselib_preserve_constants and
3506 cfa_base_preserved_val.
3507 * cselib.h (enum cselib_record_what): New enum.
3508 (cselib_init): Change argument to int.
3509 (cselib_preserve_cfa_base_value): New prototype.
3510 * postreload.c (reload_cse_regs_1): Adjust cselib_init caller.
3511 * dse.c (dse_step1): Likewise.
3512 * cfgcleanup.c (thread_jump): Likewise.
3513 * sched-deps.c (sched_analyze): Likewise.
3514 * gcse.c (local_cprop_pass): Likewise.
3515 * simplify-rtx.c (simplify_replace_fn_rtx): Add argument to callback.
3516 If FN is non-NULL, call the callback always and whenever it returns
3517 non-NULL just return that. Only do rtx_equal_p if FN is NULL.
3518 * rtl.h (simplify_replace_fn_rtx): Add argument to callback.
3519 * combine.c (propagate_for_debug_subst): Add old_rtx argument,
3520 compare from with old_rtx and if it isn't rtx_equal_p, return NULL.
3521 * Makefile.in (var-tracking.o): Depend on $(RECOG_H).
3522 * var-tracking.c: Include recog.h.
3523 (bb_stack_adjust_offset): Remove.
3524 (vt_stack_adjustments): Don't call it, instead just gather the
3525 adjustments using insn_stack_adjust_offset_pre_post on each bb insn.
3526 (adjust_stack_reference): Remove.
3527 (compute_cfa_pointer): New function.
3528 (hard_frame_pointer_adjustment, cfa_base_rtx): New static variables.
3529 (struct adjust_mem_data): New type.
3530 (adjust_mems, adjust_mem_uses, adjust_mem_stores, adjust_insn): New
3532 (get_address_mode): New function.
3533 (replace_expr_with_values): Use it.
3534 (use_type): Don't do cselib_lookup for VAR_LOC_UNKNOWN_P.
3535 Use get_address_mode. For cfa_base_rtx return MO_CLOBBER.
3536 (adjust_sets): Remove.
3537 (add_uses): Don't add extra MO_VAL_USE for cfa_base_rtx plus constant.
3538 Use get_address_mode.
3539 (get_adjusted_src): Remove.
3540 (add_stores): Don't call it. Never reuse expr SET. Don't add extra
3541 MO_VAL_USE for cfa_base_rtx plus constant. Use get_address_mode.
3542 (add_with_sets): Don't call adjust_sets.
3543 (fp_setter, vt_init_cfa_base): New functions.
3544 (vt_initialize): Change return type to bool. Move most of pool etc.
3545 initialization to the beginning of the function from end. Pass
3546 CSELIB_RECORD_MEMORY | CSELIB_PRESERVE_CONSTANTS to cselib_init.
3547 If !frame_pointer_needed, call vt_stack_adjustment before mos
3548 vector is filled, call vt_init_cfa_base if argp/framep has been
3549 eliminated to sp. If frame_pointer_needed and argp/framep has
3550 been eliminated to hard frame pointer, set
3551 hard_frame_pointer_adjustment and call vt_init_cfa_base after
3552 encountering fp setter in the prologue. For MO_ADJUST, call
3553 log_op_type before pusing the op into mos vector, not afterwards.
3554 Call adjust_insn before cselib_process_insn/add_with_sets,
3555 call cancel_changes (0) afterwards.
3556 (variable_tracking_main_1): Adjust for vt_initialize calling
3557 vt_stack_adjustments and returning whether it succeeded or not.
3559 2010-03-15 Aldy Hernandez <aldyh@redhat.com>
3561 * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_deps): Skip
3564 2010-03-15 Jakub Jelinek <jakub@redhat.com>
3566 * dwarf2out.c (dwarf2out_frame_debug): Don't assert drap_reg
3568 (based_loc_descr): Use DW_OP_fbreg for vdrap_reg even when
3569 drap_reg has not been set.
3571 2010-03-15 Michael Matz <matz@suse.de>
3574 * tree-outof-ssa.c (emit_partition_copy): New argument sizeexp,
3575 use it to expand block copies.
3576 (insert_partition_copy_on_edge, insert_rtx_to_part_on_edge,
3577 insert_part_to_rtx_on_edge): Adjust callers of emit_partition_copy.
3578 (insert_value_copy_on_edge): Use store_expr for BLKmode values.
3580 2010-03-15 Richard Guenther <rguenther@suse.de>
3582 PR tree-optimization/43367
3583 * tree-cfg.c (gimple_can_merge_blocks_p): Simplify PHI
3586 2010-03-15 Richard Guenther <rguenther@suse.de>
3588 PR tree-optimization/43317
3589 * ipa-struct-reorg.c (create_new_general_access): Update stmt.
3591 2010-03-15 Martin Jambor <mjambor@suse.cz>
3593 PR tree-optimization/43141
3594 * tree-sra.c (create_abstract_origin): New function.
3595 (modify_function): Call create_abstract_origin.
3597 2010-03-15 Chris Demetriou <cgd@google.com>
3599 * Makefile.in (stmp-int-hdrs): Don't chmod include/stdint.h if it
3602 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
3605 * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Do not
3606 call insert_out_of_ssa_copy for default definitions.
3608 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
3610 * graphite-clast-to-gimple.c (my_long_long): Defined.
3611 (gcc_type_for_cloog_iv): Use it instead of long_long_integer_type_node.
3612 * graphite-sese-to-poly.c (my_long_long): Defined.
3613 (scop_ivs_can_be_represented): Use it.
3615 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
3617 * doc/invoke.texi: Fix documentation of graphite-max-nb-scop-params,
3618 graphite-max-bbs-per-function, and loop-block-tile-size.
3619 * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Replace "maximal"
3621 (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Same.
3623 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
3625 * graphite-clast-to-gimple.c (gcc_type_for_iv_of_clast_loop): Remove
3626 forward declaration.
3627 * graphite-sese-to-poly.c (reduction_phi_p): Remove FIXME comment.
3628 (add_upper_bounds_from_estimated_nit): New.
3629 (build_loop_iteration_domains): Use it.
3631 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
3633 * doc/invoke.texi (PARAM_LOOP_BLOCK_TILE_SIZE): Document.
3635 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
3638 * tree-chrec.c (evolution_function_right_is_integer_cst): CHREC_RIGHT
3639 should be an INTEGER_CST. Also handle CASE_CONVERT.
3641 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
3643 * graphite.c (graphite_initialize): To bound the number of bbs per
3644 function, use PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION.
3645 * params.def (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Declared.
3646 * doc/invoke.texi: Document it.
3648 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
3650 * graphite-sese-to-poly.c (build_poly_scop): Do not return bool.
3651 * graphite-sese-to-poly.h (build_poly_scop): Same.
3653 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
3655 * graphite-sese-to-poly.c (build_poly_scop): Limit scops following
3656 the number of parameters in the scop. Use as an upper bound
3657 PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS.
3658 * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Declared.
3659 * doc/invoke.texi: Document it.
3661 2010-03-13 Jerry Quinn <jlquinn@optonline.net>
3663 * Makefile.in (TEXI_GCCINT_FILES): Remove c-tree.texi.
3664 * doc/c-tree.texi: Remove.
3665 * doc/generic.texi: Merge c-tree.texi here.
3666 * doc/gccint.texi (Trees): Remove menu entry.
3667 (c-tree.texi): Remove @include.
3668 * doc/rtl.texi (Reading RTL): Update pxref from Trees to GENERIC.
3669 * doc/languages.texi (Reading RTL): Ditto.
3671 2010-03-12 Steve Ellcey <sje@cup.hp.com>
3674 * config/ia64/sync.md (sync_compare_and_swap): Move memory fence.
3676 2010-03-12 Michael Meissner <meissner@linux.vnet.ibm.com>
3679 * gcc/config/rs6000/rs6000.c (rs6000_emit_move): Delete band-aid
3680 code added to work around reload clobbering CONST insns.
3682 2010-03-12 Jakub Jelinek <jakub@redhat.com>
3684 * cselib.c (LONG_TERM_PRESERVED_VALUE_P): Remove.
3685 (cselib_preserve_definitely, cselib_clear_preserve): Remove.
3686 (cselib_preserve_only_values): Remove retain argument, don't
3687 traverse hash table with cselib_{preserve_definitely,clear_preserve}.
3688 * cselib.h (cselib_preserve_only_values): Remove retain argument.
3689 * var-tracking.c (micro_operation): Move insn field before union.
3690 Add DEF_VEC_O and DEF_VEC_ALLOC_O for this type.
3691 (struct variable_tracking_info_def): Remove n_mos field, change
3692 mos into a vector of micro_operations.
3693 (count_uses, count_uses_1, count_stores, count_with_sets): Remove.
3694 (bb_stack_adjust_offset, log_op_type, add_uses, add_stores,
3695 compute_bb_dataflow, emit_notes_in_bb): Adjust for VTI (bb)->mos
3696 changing into a vector.
3697 (add_with_sets): Likewise. Ensure MO_VAL_USE uops from add_stores
3698 come before all other uops generated by add_stores.
3699 (vt_add_function_parameters): Adjust for cselib_preserve_only_values
3701 (vt_initialize): Likewise. Adjust for VTI (bb)->mos changing into
3702 a vector. Run just one pass over the bbs instead of separate counting
3703 and computation phase.
3704 (vt_finalize): Free VTI (bb)->mos vector instead of array.
3707 * tree-inline.c (remap_decls): Put old_var rather than origin_var
3708 into *nonlocalized_list vector.
3709 * dwarf2out.c (gen_formal_parameter_die): Call decl_ultimate_origin
3710 even if origin is non-NULL.
3711 (gen_variable_die): Likewise.
3712 (process_scope_var): Don't change origin.
3713 (gen_decl_die): Likewise.
3714 * tree-cfgcleanup.c (remove_forwarder_block): Check single_pred_p
3715 before adding new edges instead of after it, fix moving over
3718 2010-03-11 David S. Miller <davem@davemloft.net>
3720 * configure.ac (gcc_cv_as_cfi_advance_working): Skip a multiple
3722 * configure: Rebuild.
3724 2010-03-11 Martin Jambor <mjambor@suse.cz>
3726 PR tree-optimization/43257
3727 * tree.c (assign_assembler_name_if_neeeded): New function.
3728 (free_lang_data_in_cgraph): Assembler name assignment moved to the
3730 * tree.h (assign_assembler_name_if_neeeded): Declare.
3731 * cgraphunit.c (cgraph_analyze_function): Create an assembler name for
3732 the function if needed.
3734 2010-03-11 Chris Demetriou <cgd@google.com>
3736 * Makefile.in (stmp-int-hdrs): Make include/unwind.h,
3737 include/stdint-gcc.h, and include/stdint.h world-readable.
3739 2010-03-11 Richard Guenther <rguenther@suse.de>
3741 PR tree-optimization/43255
3742 * tree-vrp.c (process_assert_insertions_for): Do not insert
3743 asserts for trivial conditions.
3745 2010-03-11 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3747 PR tree-optimization/43280
3748 * tree-ssa-math-opts.c (find_bswap_1): Modify symbolic number
3749 generation. Move calculation of size out of the if branch.
3750 (find_bswap): Modify compare number generation.
3752 2010-03-11 Richard Guenther <rguenther@suse.de>
3755 * lto-streamer-in.c (maybe_fixup_decls): Simplify.
3756 (input_gimple_stmt): Fixup handled component types during
3757 operand read. Also fix up decls in ADDR_EXPRs.
3759 2010-03-10 Eric Botcazou <ebotcazou@adacore.com>
3761 * config/sparc/sol2-bi.h (CC1_SPEC): Default to -mcpu=v9 for -m32.
3762 * config/sparc/t-sol2-64 (MULTILIB_DIRNAMES): Use sparcv8plus.
3764 2010-03-10 Jan Hubicka <jh@suse.cz>
3767 * ipa.c (function_and_variable_visibility) Normalize COMMON bits.
3768 * varasm.c (get_variable_section): Don't do that here...
3769 (make_decl_rtl): ... and here.
3770 (do_assemble_alias): Produce decl RTL.
3771 (assemble_alias): Likewise.
3773 2010-03-10 Jakub Jelinek <jakub@redhat.com>
3776 * reg-notes.def (REG_CFA_SET_VDRAP): New note.
3777 * dwarf2out.c (dwarf2out_frame_debug_expr): Remove rule 20 - setting
3779 (dwarf2out_frame_debug): Handle REG_CFA_SET_VDRAP note.
3780 (based_loc_descr): Only express drap or vdrap regno based expressions
3781 using DW_OP_fbreg when not optimizing.
3782 * config/i386/i386.c (ix86_get_drap_rtx): When not optimizing,
3783 make the vDRAP = DRAP assignment RTX_FRAME_RELATED_P and add
3784 REG_CFA_SET_VDRAP note.
3786 2010-03-10 Alexander Monakov <amonakov@ispras.ru>
3788 PR tree-optimization/43236
3789 * tree-loop-distribution.c (generate_memset_zero): Fix off-by-one
3790 error in calculation of base address in reverse iteration case.
3791 (generate_builtin): Take number of latch executions if the statement
3794 2010-03-10 Andrey Belevantsev <abel@ispras.ru>
3797 * tree-eh.c: Include pointer-set.h.
3798 (lower_eh_dispatch): Filter out duplicate case labels and
3799 remove the unneeded edge when the label is unused. Return
3800 true when some edges are removed.
3801 (execute_lower_eh_dispatch): When any lowering resulted in
3802 removing an edge, also delete unreachable blocks.
3804 2010-03-10 Jakub Jelinek <jakub@redhat.com>
3807 * config/rs6000/rs6000.c (rs6000_delegitimize_address): Handle
3808 UNSPEC_MACHOPIC_OFFSET.
3810 2010-03-09 Andreas Schwab <schwab@linux-m68k.org>
3813 * config/m68k/m68k.c (TARGET_DELEGITIMIZE_ADDRESS): Define.
3814 (m68k_delegitimize_address): New function.
3816 2010-03-09 Jakub Jelinek <jakub@redhat.com>
3819 * dwarf2out.c (const_ok_for_output_1): Return 1 for UNSPECs.
3822 * var-tracking.c (adjust_sets): New function.
3823 (count_with_sets, add_with_sets): Use it.
3824 (get_adjusted_src): New inline function.
3825 (add_stores): Use it.
3828 * var-tracking.c (vt_expand_loc_callback) <case SUBREG>: If dummy,
3829 call cselib_dummy_expand_value_rtx_cb instead of
3830 cselib_expand_value_rtx_cb.
3833 * config/i386/t-i386 (i386.o): Depend on debug.h and dwarf2out.h.
3834 * config/i386/i386.c: Include debug.h and dwarf2out.h.
3835 (ix86_file_end): If dwarf2out_do_cfi_asm (), emit .cfi_startproc
3836 and .cfi_endproc around the pic thunks.
3837 (output_set_got): For TARGET_DEEP_BRANCH_PREDICTION pic, ensure
3838 all queued unwind info register saves are saved before the call.
3839 For !TARGET_DEEP_BRANCH_PREDICTION pic, ensure the call is
3840 considered as sp-=4 for unwind info and the pop as sp+=4 which
3841 also clobbers dest, but doesn't actually restore it.
3844 * config/i386/i386.c (ix86_get_drap_rtx): Don't set
3845 RTX_FRAME_RELATED_P.
3847 2010-03-09 Jie Zhang <jie@codesourcery.com>
3849 * config/arm/arm.md (thumb_mulsi3_v6): Remove trailing
3850 whitespaces in output template.
3852 2010-03-09 Jie Zhang <jie@codesourcery.com>
3854 * ira-lives.c (check_and_make_def_use_conflict): Don't fall
3857 2010-03-08 Jakub Jelinek <jakub@redhat.com>
3859 * Makefile.in (check_gcc_parallelize): Run dg-torture.exp and
3860 builtins.exp in a separate job.
3862 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
3864 * graphite-sese-to-poly.c (add_param_constraints): Use
3865 lower_bound_in_type and upper_bound_in_type.
3867 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
3869 * graphite-sese-to-poly.c (add_param_constraints): Use sizetype
3870 instead of unsigned_type_node.
3872 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
3873 Reza Yazdani <reza.yazdani@amd.com>
3876 * graphite-sese-to-poly.c (add_param_constraints): Insert bounds
3877 on pointer type parameters.
3879 2010-03-08 Tobias Grosser <grosser@fim.uni-passau.de>
3883 * graphite-clast-to-gimple.c (clast_to_gcc_expression): Also
3884 handle conversions from pointer to integers.
3885 (gcc_type_for_cloog_iv): Choose the smalles signed integer as an
3886 induction variable, to be able to work with code generated by CLooG.
3887 * graphite-sese-to-poly.c (scop_ivs_can_be_represented): New.
3888 (build_poly_scop): Bail out if we cannot codegen a loop.
3890 2010-03-08 Tobias Grosser <grosser@fim.uni-passau.de>
3892 * graphite-clast-to-gimple.c (translate_clast): Do not short-cut
3893 code generation with gloog_error.
3895 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
3897 * sese.c (expand_scalar_variables_ssa_name): Add new argument for type.
3898 Call fold_convert on all the returned values.
3899 (expand_scalar_variables_expr): Pass to
3900 expand_scalar_variables_ssa_name the type of the resulting expression.
3902 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
3904 * graphite-ppl.c (ppl_min_for_le_polyhedron): Renamed
3905 ppl_min_for_le_pointset.
3906 Use ppl_Pointset_Powerset_C_Polyhedron_minimize.
3907 * graphite-ppl.h (ppl_min_for_le_polyhedron): Update declaration.
3909 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
3911 * graphite-dependences.c (map_into_dep_poly): Removed.
3912 (dependence_polyhedron_1): Use combine_context_id_scat.
3914 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
3916 * graphite-poly.h (struct poly_scattering): Add layout documentation.
3917 (struct poly_bb): Same.
3918 (combine_context_id_scat): New.
3920 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
3923 * sese.c (name_defined_in_loop_p): Return false for default
3926 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
3928 * graphite-clast-to-gimple.c (find_cloog_iv_in_expr): Simplify
3929 and clean up the logic.
3931 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
3933 * graphite-sese-to-poly.c (add_param_constraints): Enabled: remove
3936 2010-03-08 Jakub Jelinek <jakub@redhat.com>
3938 * var-tracking.c (remove_cselib_value_chains): Define only for
3940 (dataflow_set_preserve_mem_locs, dataflow_set_remove_mem_locs,
3941 delete_slot_part, emit_notes_for_differences_1): Don't call
3942 remove_cselib_value_chains here.
3943 (set_slot_part, emit_notes_for_differences_2): Don't call
3944 add_cselib_value_chains here.
3945 (preserved_values): New vector.
3946 (preserve_value): New function.
3947 (add_uses, add_stores, vt_add_function_parameters): Use it
3948 instead of cselib_preserve_value.
3949 (changed_values_stack): New vector.
3950 (check_changed_vars_0): New function.
3951 (check_changed_vars_1, check_changed_vars_2): Use it.
3952 (emit_notes_for_changes): Call set_dv_changed (*, false) on all
3953 changed_values_stack VALUEs.
3954 (vt_emit_notes): For all preserved_values call
3955 add_cselib_value_chains. If ENABLE_CHECKING call
3956 remove_cselib_value_chains before verifying value_chains is empty.
3957 Initialize and free changed_values_stack.
3958 (vt_initialize): Initialize preserved_values.
3959 (vt_finalize): Free preserved_values.
3961 2010-03-08 Richard Guenther <rguenther@suse.de>
3963 PR tree-optimization/43269
3964 * tree-ssa-dse.c (dse_possible_dead_store_p): Fix post-dom
3967 2010-03-08 Martin Jambor <mjambor@suse.cz>
3969 * ipa-prop.h (struct ipa_param_descriptor): Removed the called field.
3970 (ipa_is_param_called): Removed.
3971 * ipa-prop.c (ipa_note_param_call): Do not set the called flag.
3972 (ipa_print_node_params): Do not print the called flag.
3973 (ipa_write_node_info): Do not stream the called flag.
3974 (ipa_read_node_info): Likewise.
3976 2010-03-07 Jakub Jelinek <jakub@redhat.com>
3979 * Makefile.in (var-tracking.o): Depend on pointer-set.h.
3980 * cselib.c (struct expand_value_data): Add dummy field.
3981 (cselib_expand_value_rtx, cselib_expand_value_rtx_cb): Initialize
3983 (cselib_dummy_expand_value_rtx_cb): New function.
3984 (cselib_expand_value_rtx_1): If evd->dummy is true, don't allocate
3986 * cselib.h (cselib_dummy_expand_value_rtx_cb): New prototype.
3987 * var-tracking.c: Include pointer-set.h.
3988 (variable): Change n_var_parts to char from int. Add
3989 cur_loc_changed and in_changed_variables fields.
3990 (variable_canonicalize): Remove.
3991 (shared_var_p): New inline function.
3992 (unshare_variable): Maintain cur_loc_changed and
3993 in_changed_variables fields. If var was in changed_variables,
3994 replace it there with new_var. Just copy cur_loc instead of
3995 resetting it to something else.
3996 (variable_union): Don't recompute cur_loc. Use shared_var_p.
3997 (dataflow_set_union): Don't call variable_canonicalize.
3998 (loc_cmp): If both x and y are DEBUG_EXPRs, compare uids
3999 of their DEBUG_EXPR_TREE_DECLs.
4000 (canonicalize_loc_order_check): Verify that cur_loc is NULL
4001 and in_changed_variables and cur_loc_changed is false.
4002 (variable_merge_over_cur): Clear cur_loc, in_changed_variables
4003 and cur_loc_changed. Don't update cur_loc here.
4004 (variable_merge_over_src): Don't call variable_canonicalize.
4005 (dataflow_set_preserve_mem_locs): Use shared_var_p. When
4006 removing loc that is equal to cur_loc, clear cur_loc,
4007 set cur_loc_changed and ensure variable_was_changed is called.
4008 (dataflow_set_remove_mem_locs): Use shared_var_p. Only
4009 compare pointers in cur_loc check, if it is equal to loc,
4010 clear cur_loc and set cur_loc_changed. Don't recompute cur_loc here.
4011 (variable_different_p): Remove compare_current_location argument,
4012 don't compare cur_loc.
4013 (dataflow_set_different_1): Adjust variable_different_p caller.
4014 (variable_was_changed): If dv had some var in changed_variables
4015 already, reset in_changed_variables flag for it and propagate
4016 cur_loc_changed over to the new variable. On empty var
4017 always set cur_loc_changed. Set in_changed_variables on whatever
4018 var is added to changed_variables.
4019 (set_slot_part): Clear cur_loc_changed and in_changed_variables.
4020 Use shared_var_p. When removing loc that is equal to cur_loc,
4021 clear cur_loc and set cur_loc_changed. If cur_loc is NULL at the
4022 end, don't set it to something else, just call variable_was_changed.
4023 (delete_slot_part): Use shared_var_p. When cur_loc equals to
4024 loc being removed, clear cur_loc and set cur_loc_changed.
4025 Set cur_loc_changed if all locations have been removed.
4026 (struct expand_loc_callback_data): New type.
4027 (vt_expand_loc_callback): Add dummy mode in which no rtxes are
4028 allocated. Always create SUBREGs if simplify_subreg failed.
4029 Prefer to use cur_loc, when that fails and still in
4030 changed_variables (and seen first time) recompute it. Set
4031 cur_loc_changed of variables which had to change cur_loc and
4032 compute elcd->cur_loc_changed if any of the subexpressions used
4033 had to change cur_loc.
4034 (vt_expand_loc): Adjust to pass arguments in
4035 expand_loc_callback_data structure.
4036 (vt_expand_loc_dummy): New function.
4037 (emitted_notes): New variable.
4038 (emit_note_insn_var_location): For VALUEs and DEBUG_EXPR_DECLs
4039 that weren't used for any other decl in current
4040 emit_notes_for_changes call call vt_expand_loc_dummy to update
4041 cur_loc. For -fno-var-tracking-assignments, set cur_loc to
4042 first loc_chain location if NULL before. Always use just
4043 cur_loc instead of first loc_chain location. When cur_loc_changed
4044 is false, when not --enable-checking=rtl just don't emit any note.
4045 When rtl checking, compute the note and assert it is the same
4046 as previous note. Clear cur_loc_changed and in_changed_variables
4047 at the end before removing from changed_variables.
4048 (check_changed_vars_3): New function.
4049 (emit_notes_for_changes): Traverse changed_vars to call
4050 check_changed_vars_3 on each changed var.
4051 (emit_notes_for_differences_1): Clear cur_loc_changed and
4052 in_changed_variables. Recompute cur_loc of new_var.
4053 (emit_notes_for_differences_2): Clear cur_loc if new variable appears.
4054 (vt_emit_notes): Initialize and destroy emitted_notes.
4056 2010-03-07 Bernd Schmidt <bernd.schmidt@analog.com>
4058 PR rtl-optimization/42220
4059 * regrename.c (scan_rtx) <case STRICT_LOW_PART, ZERO_EXTRACT>:
4060 Use verify_reg_tracked to determine if we should use OP_OUT rather
4062 (build_def_use): If we see an in-out operand for a register that we
4063 know nothing about, treat is an output if possible, fail the block if
4066 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
4069 * gimple-iterator.c (gsi_remove): Propagate only PHI DEFs removed
4072 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
4075 * tree-vect-loop.c (vect_transform_loop): Kill out-of-loop debug
4076 uses of relevant DEFs that are dead outside the loop too.
4078 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
4080 * var-tracking.c (dataflow_set_merge): Swap src and src2.
4082 2010-01-13 Jakub Jelinek <jakub@redhat.com>
4084 * var-tracking.c (values_to_unmark): New variable.
4085 (find_loc_in_1pdv): Clear VALUE_RECURSED_INTO of values in
4086 values_to_unmark vector. Moved body to...
4087 (find_loc_in_1pdv_1): ... this. Don't clear VALUE_RECURSED_INTO,
4088 instead queue it into values_to_unmark vector.
4089 (vt_find_locations): Free values_to_unmark vector.
4091 2010-03-05 Eric Botcazou <ebotcazou@adacore.com>
4093 * Makefile.in (PLUGINCC, PLUGINCFLAGS): New variables.
4094 (site.exp): Export them when plugins are enabled.
4096 2010-03-05 Sebastian Pop <sebastian.pop@amd.com>
4099 * tree-chrec.c (chrec_fold_plus_1): Do not handle convert expressions
4101 (chrec_fold_multiply): Same.
4103 2010-03-04 Andrew Pinski <andrew_pinski@caviumnetworks.com>
4106 * c-decl.c (build_compound_literal): Return early if init is
4109 2010-03-04 Martin Jambor <mjambor@suse.cz>
4111 PR tree-optimization/43164
4112 PR tree-optimization/43191
4113 * tree-sra.c (type_consists_of_records_p): Reject records with
4114 zero-size bit-fields at the end.
4116 2010-03-04 Mike Stump <mikestump@comcast.net>
4118 * Makefile.in (TAGS): Remove *.y.
4120 2010-03-04 Richard Guenther <rguenther@suse.de>
4122 PR tree-optimization/40761
4123 * tree-ssa-pre.c (compute_antic): Walk reverse postorder
4125 (my_rev_post_order_compute): New function.
4126 (init_pre): Call it.
4128 2010-03-04 Changpeng Fang <changpeng.fang@amd.com>
4131 * tree-ssa-loop-ivopts.c (determine_use_iv_cost_condition): Do not
4132 decrease the cost of an IV candidate when the cost is infinite.
4134 2010-03-04 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4136 * doc/extend.texi (Vector Extensions, X86 Built-in Functions):
4137 Use '3DNow!' for the extension of that name, ensure normal space
4139 * doc/invoke.texi (i386 and x86-64 Options): Likewise.
4141 2010-03-03 Jeff Law <law@redhat.com>
4143 * PR middle-end/32693
4144 * expmed.c (store_bit_field_1): Use gen_lowpart_SUBREG rather
4145 than gen_rtx_SUBREG.
4146 (extract_bit_field_1): Likewise.
4148 2010-03-03 Janis Johnson <janis187@us.ibm.com>
4150 * doc/sourcebuild.texi (Test directives): Document that arguments
4151 include-opts and exclude-opts are now optional for dg-skip-if,
4152 dg-xfail-if, dg-xfail-run-if, and dg-shouldfail.
4154 2010-03-03 Jason Merrill <jason@redhat.com>
4157 * cgraph.h (varpool_node): Add extra_name field.
4158 * varpool.c (varpool_extra_name_alias): New.
4159 (varpool_assemble_decl): Emit extra name aliases.
4160 (varpool_mark_needed_node): Look past an extra name alias.
4161 * lto-streamer.h (LTO_tags): Add LTO_var_decl_alias.
4162 * lto-streamer-in.c (lto_input_tree): Read it.
4163 * lto-streamer-out.c (output_unreferenced_globals): Write it.
4165 2010-03-03 Eric Botcazou <ebotcazou@adacore.com>
4167 * config.gcc (sparc64-*-solaris2*, sparc-*-solaris2*): Merge into...
4168 (sparc*-*-solaris2*): ...this.
4170 2010-03-03 Jakub Jelinek <jakub@redhat.com>
4173 * cfgexpand.c (expand_debug_expr): Handle DOT_PROD_EXPR,
4174 WIDEN_MULT_EXPR and WIDEN_SUM_EXPR. Return NULL without
4175 ICE for vector expressions, ADDR_SPACE_CONVERT_EXPR,
4176 FIXED_CONVERT_EXPR, OBJ_TYPE_REF and WITH_SIZE_EXPR.
4179 * dwarf2out.c (add_bound_info): If a decl bound doesn't have decl_die,
4180 fallthrough to default handling, just with want_address 0 instead of 2.
4181 For single element lists, add_AT_loc directly, otherwise create an
4182 artificial variable DIE and stick location list to it.
4185 * var-tracking.c (loc_cmp): Don't assert VALUEs have the same mode.
4186 (VAL_EXPR_HAS_REVERSE): Define.
4187 (reverse_op): New function.
4188 (add_stores): For reversible operations add an extra MO_VAL_USE.
4190 2010-03-02 Jason Merrill <jason@redhat.com>
4192 * c-pretty-print.c (pp_c_specifier_qualifier_list): Print vector size.
4194 2010-03-02 Eric Botcazou <ebotcazou@adacore.com>
4196 * config.gcc (sparc-*-linux*): Do not include sparc/gas.h.
4197 (sparc64-*-linux*): Likewise.
4198 (sparc64-*-solaris2*): Include assembler files before linker ones.
4199 (sparc-*-solaris2*): Simplify and reorder to match previous case.
4200 * config/sparc/gas.h: Delete.
4201 * config/sparc/sol2-64.h: Add copyright notice.
4202 * config/sparc/sol2-gas-bi.h: Likewise.
4203 * config/sparc/sol2-gld.h: Likewise.
4204 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Delete.
4205 * config/sparc/sol2.h (TARGET_ASM_NAMED_SECTION): Redefine.
4206 * config/sparc/sol2-gas.h (TARGET_ASM_NAMED_SECTION): Likewise.
4207 * config/sparc/sparc.c (TARGET_ASM_ALIGNED_SI_OP): Never redefine.
4208 (sparc_elf_asm_named_section): Rename into...
4209 (sparc_solaris_elf_asm_named_section): ...this. Always define.
4211 2010-03-02 Uros Bizjak <ubizjak@gmail.com>
4213 * config/alpha/alpha.c (override_options): Fix -mtune error message.
4215 2010-03-02 Jeff Law <law@redhat.com>
4218 * reload1.c (rtx_p, substitute_stack): Declare.
4219 (substitute): Record addresses of changed rtxs.
4220 (gen_reload_chain_without_interm_reg_p): Don't use copy_rtx anymore.
4221 Restore the original rtx when complete.
4222 (reload): Free subsitute_stack when complete.
4224 2010-03-02 Janis Johnson <janis187@us.ibm.com>
4226 * doc/gccint.texi (menu): Add Testsuites as a chapter.
4227 * doc/sourcebuild.texi (Testsuites): Move up a level to be a
4229 (Test Idioms, Test Directives, Ada Tests, C Tests, libgcj Tests,
4230 LTO Testing, gcov Testing, profopt Testing, compat Testing,
4231 Torture Tests): Change from subsection to section.
4233 2010-03-02 Jakub Jelinek <jakub@redhat.com>
4234 Steven Bosscher <steven@gcc.gnu.org>
4236 * var-tracking.c (vt_initialize): Scan insns in ebb chunks
4239 2010-03-02 Reza Yazdani <reza.yazdani@amd.com>
4242 * tree-loop-distribution.c (update_phis_for_loop_copy): Replaced
4243 the assignment from the new induction variable to the assignment
4244 of the value from the original loop PHI function.
4246 2010-03-01 Janis Johnson <janis187@us.ibm.com>
4247 Daniel Jacobowitz <dan@codesourcery.com>
4249 * doc/sourcebuild.texi (Test directives): Clarify options to
4252 2010-03-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4254 * configure.ac (gcc_cv_as_cfi_directive) [i?86-*-solaris*]:
4255 Disable cfi directives unless GCC and gas agree on using read-only
4256 .eh_frame sections for 64-bit.
4257 * configure: Regenerate.
4259 2010-03-01 Richard Guenther <rguenther@suse.de>
4261 PR tree-optimization/43220
4262 * tree-ssa-ccp.c (optimize_stack_restore): Do not optimize
4263 BUILT_IN_STACK_{SAVE,RESTORE} around alloca.
4265 2010-03-01 Richard Guenther <rguenther@suse.de>
4266 Martin Jambor <mjambor@suse.cz>
4269 * gimplify.c (gimplify_body): Unset DECL_HAS_VALUE_EXPR_P on
4270 gimplified parameters.
4272 2010-03-01 Christian Bruel <christian.bruel@st.com>
4274 * except.c (dw2_build_landing_pads): set LABEL_PRESERVE_P.
4276 2010-03-01 H.J. Lu <hongjiu.lu@intel.com>
4278 * config/i386/linux64.h (ASM_SPEC): Use SPEC_32 and SPEC_64.
4280 2010-03-01 Richard Guenther <rguenther@suse.de>
4283 * expr.c (expand_assignment): Use the alias-oracle to tell
4284 if the rhs aliases the result decl.
4286 2010-03-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4289 * config/host-solaris.c (HOST_HOOKS_GT_PCH_GET_ADDRESS): Redefine
4290 to sol_gt_pch_get_address.
4291 (TRY_EMPTY_VM_SPACE): Define for all combinations of 32 and
4292 64-bit, SPARC and x86.
4293 (sol_gt_pch_get_address): New function.
4295 2010-03-01 Marco Poletti <poletti.marco@gmail.com>
4297 * toplev.h (inform_n, error_n): Declare.
4298 * diagnostic.c (inform_n, error_n): New function.
4300 2010-03-01 Jakub Jelinek <jakub@redhat.com>
4302 * cfgexpand.c (expand_used_vars): If an artificial non-ignored var
4303 has no rtl yet when processing local_decls, queue it and recheck
4304 if deferred stack allocation hasn't assigned it rtl.
4306 2010-02-28 Kaz Kojima <kkojima@gcc.gnu.org>
4308 * config/sh/sh.c (unspec_bbr_uid): New.
4309 (gen_block_redirect): Use it instead of INSN_UID.
4310 (gen_far_branch): Likewise.
4312 2010-02-28 H.J. Lu <hongjiu.lu@intel.com>
4314 * config/i386/darwin.h (TARGET_SUBTARGET32_ISA_DEFAULT): Make
4315 it the same as TARGET_SUBTARGET64_ISA_DEFAULT.
4317 2010-02-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4319 * doc/invoke.texi (Warning Options, RX Options): Fix typos.
4320 (Warning Options): -Wno-conversion-null is valid for
4321 Objective-C++ as well.
4322 * doc/tm.texi (Named Address Spaces): Likewise.
4323 * doc/plugins.texi (Plugins): Replace TABs with spaces.
4324 * doc/tree-ssa.texi (Tree SSA): Likewise.
4326 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
4329 * config.gcc: Don't enable SSE math for i[34567]86-*-darwin*
4330 by default. Don't set the default arch for
4331 i[34567]86-*-darwin*|x86_64-*-darwin*.
4333 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
4336 * config.gcc: Enable SSE math for i[34567]86-*-darwin* by
4337 default. Set the default 32bit/64bit archs with $with_arch
4338 instead of $arch for i[34567]86-*-*|x86_64-*-* targets.
4340 2010-02-27 Richard Guenther <rguenther@suse.de>
4342 PR tree-optimization/43186
4343 * params.def (PARAM_MAX_UNROLL_ITERATIONS): New param.
4344 * doc/invoke.texi (max-completely-peel-loop-nest-depth): Document.
4345 * tree-ssa-loop-ivcanon.c (tree_unroll_loops_completely): Limit
4346 unroller iterations.
4348 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
4350 * config.gcc: Set the default 32bit/64bit archs if 64bit ISA is
4351 required and i[34567]86-*-* targets don't support 64bit ISA.
4353 2010-02-26 Eric Botcazou <ebotcazou@adacore.com>
4356 * tree-ssa-alias.c (same_type_for_tbaa): Return -1 if the types have
4359 2010-02-26 H.J. Lu <hongjiu.lu@intel.com>
4361 * config.gcc: Set the default arch at least to Prescott for
4362 i[34567]86-*-darwin* and Pentium 4 for i[34567]86-*-* targets
4363 if SSE math is enabled.
4365 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
4367 * diagnostic.c (diagnostic_initialize): Update.
4368 (diagnostic_report_diagnostic): Test inhibit_notes_p for
4370 * diagnostic.h (diagnostic_context): New bool inhibit_notes_p.
4371 (diagnostic_inhibit_notes): New.
4372 * toplev.c (process_options): inhibit notes with -fcompare-debug.
4374 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
4377 * doc/cpp.texi: Use c90 instead of c89 and gnu90 instead of gnu89.
4378 * doc/standards.texi: Likewise.
4379 * doc/extend.texi: Likewise.
4380 * doc/trouble.texi: Likewise.
4381 * doc/cppopts.texi: Likewise.
4382 * doc/install.texi: Likewise.
4383 * c.opt (std=c90,std=gnu90): New options.
4384 * c-opts.c (c_common_handle_option): Handle them.
4386 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
4389 * c-decl.c (undeclared_variable): Use an informative note.
4391 2010-02-26 Richard Guenther <rguenther@suse.de>
4393 PR tree-optimization/43186
4394 * gimple.h (gimple_fold): Remove.
4395 * gimple.c (gimple_fold): Remove. Inline into single user ...
4396 * tree-cfgcleanup.c (cleanup_control_expr_graph): ... here.
4397 Try harder for conditions.
4399 2010-02-26 Jakub Jelinek <jakub@redhat.com>
4402 * function.c (used_types_insert): Don't skip through named pointer
4403 types. Don't use TYPE_MAIN_VARIANT if the original type has a name
4404 and it is different from the main variant's type.
4406 2010-02-26 Nick Clifton <nickc@redhat.com>
4408 * config/rx/rx.md (sminsi3): Remove bogus alternative.
4410 2010-02-26 H.J. Lu <hongjiu.lu@intel.com>
4412 * config.gcc: Support --with-fpmath=sse for x86.
4414 * config/i386/ssemath.h: New.
4416 * doc/install.texi (--with-fpmath=sse): Documented.
4418 2010-02-26 Richard Guenther <rguenther@suse.de>
4420 PR tree-optimization/43188
4421 * tree-vect-stmts.c (get_vectype_for_scalar_type): Do not build
4422 vector types of over-aligned element type.
4424 2010-02-26 Uros Bizjak <ubizjak@gmail.com>
4427 * config/i386/i386.c (expand_vec_perm_blend): Use correct
4428 operands in V8HImode subregs. Fix operand order in VEC_MERGE rtx.
4430 2010-02-26 Jan Kratochvil <jan.kratochvil@redhat.com>
4432 * doc/invoke.texi (-fvar-tracking-assignments): Fix typo.
4434 2010-02-26 Jakub Jelinek <jakub@redhat.com>
4436 * Makefile.in (var-tracking.o): Depend on $(DIAGNOSTIC_H).
4437 * var-tracking.c: Include diagnostic.h.
4438 (debug_dv): New function.
4439 (dump_var): Print DEBUG_EXPR_DECLs as D#N instead of D.-N.
4442 * var-tracking.c (dv_onepart_p): Return true for DEBUG_EXPR_DECLs.
4443 (add_value_chain, add_value_chains, remove_value_chain,
4444 remove_value_chains): Handle DEBUG_EXPRs.
4445 (check_changed_vars_1, check_changed_vars_2): Handle DEBUG_EXPR_DECLs.
4448 * regcprop.c (struct queued_debug_insn_change): New type.
4449 (struct value_data_entry): Add debug_insn_changes field.
4450 (struct value_data): Add n_debug_insn_changes field.
4451 (debug_insn_changes_pool): New variable.
4452 (free_debug_insn_changes, apply_debug_insn_changes,
4453 cprop_find_used_regs_1, cprop_find_used_regs): New functions.
4454 (kill_value_one_regno): Call free_debug_insn_changes if needed.
4455 (init_value_data): Clear debug_insn_changes and n_debug_insn_changes
4457 (replace_oldest_value_reg): Don't change DEBUG_INSNs, instead queue
4459 (copyprop_hardreg_forward_1): Don't call apply_change_group for
4460 DEBUG_INSNs. For a real insn, if there are queued DEBUG_INSN
4461 changes, call cprop_find_used_regs via note_stores.
4462 (copyprop_hardreg_forward): When copying vd from predecessor
4463 which has any queued DEBUG_INSN changes, make sure the pointers are
4464 cleared. At the end call df_analyze and then if there are any
4465 DEBUG_INSN changes queued at the end of some basic block for still
4466 live registers, apply them.
4467 (pass_cprop_hardreg): Set TODO_df_finish in todo_flags_finish.
4469 2010-02-25 Uros Bizjak <ubizjak@gmail.com>
4471 * config.gcc (i[34567]86-*-* | x86_64-*-*): Split long line.
4474 2010-02-25 H.J. Lu <hongjiu.lu@intel.com>
4476 * config.gcc: Set arch/cpu for i[34567]86-*-*|x86_64-*-*
4477 targets. Set the default with_cpu/with_arch from arch/cpu.
4478 Allow x86-64 and native for with_cpu/with_arch.
4480 2010-02-25 Nicolas Benoit <nbenoit@tuxfamily.org>
4482 * ebitmap.c: Change calls to verify_popcount with calls to
4483 sbitmap_verify_popcount.
4484 (ebitmap_clear_bit): Fixed map->cacheindex test and
4485 map>cache update when bit clearing results in an empty
4488 2010-02-25 Michael Meissner <meissner@linux.vnet.ibm.com>
4491 * config/rs6000/vector.md (VEC_64): New iterator for V2DF, V2DI.
4492 (vec_interleave_high<mode>): Rename from vec_interleave_highv2df
4493 and support both V2DF and V2DI modes.
4494 (vec_interleave_low<mode>): Rename from vec_interleave_lowv2df and
4495 support both V2DF and V2DI modes.
4496 (general): Delete trailing whitespace from a few patterns.
4498 * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
4499 V2DF/V2DI interleave high/low builtins.
4501 * config/rs6000/rs6000-builtin.def (VSX_BUILTIN_VEC_MERGE*): Add
4504 * config/rs6000/rs6000.c (bdesc_2arg): Add support for V2DF/V2DI
4505 interleave high/low functions.
4507 2010-02-25 Gerald Pfeifer <gerald@pfeifer.com>
4509 * doc/extend.texi (Symbol-Renaming Pragmas): Fix spelling of
4510 #pragma extern_prefix.
4512 2010-02-25 Jakub Jelinek <jakub@redhat.com>
4515 * cfgexpand.c (expand_debug_expr) <case VAR_DECL>: If mode is
4516 BLKmode, assert op0 is a MEM and just adjust its mode.
4519 * cfgexpand.c (expand_debug_expr): Don't call simplify_gen_subreg
4520 if bitpos isn't multiple of mode's bitsize.
4522 2010-02-24 Manuel López-Ibáñez <manu@gcc.gnu.org>
4524 * c.opt (-ftemplate-depth=): New.
4525 (-ftemplate-depth-): Deprecate.
4526 * optc-gen.awk: Handle -ftemplate-depth=.
4527 * opth-gen.awk: Likewise.
4528 * c-opts.c (c_common_handle_option): Likewise.
4529 * doc/invoke.texi (-ftemplate-depth-): Replace with -ftemplate-depth=.
4531 2010-02-24 Jason Merrill <jason@redhat.com>
4533 * doc/invoke.texi: Improve -Wabi and -fabi-version docs.
4535 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4537 * cfg.c (alloc_aux_for_block): Remove inline.
4538 (alloc_aux_for_edge): Likewise.
4540 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4542 * config.gcc: Fix typo in mips-sgi-irix6.[0-4]* obsoletion.
4544 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4546 * config/i386/sol2.h (NO_DBX_BNSYM_ENSYM): Define.
4547 * config/i386/sol2-gas.h: New file.
4548 * config.gcc (i[34567]86-*-solaris2*): Use it.
4550 2010-02-24 Manuel López-Ibáñez <manu@gcc.gnu.org>
4553 * c-typeck.c (ep_convert_and_check): New.
4554 (build_conditional_expr): Use it.
4555 (build_binary_op): Likewise.
4557 2010-02-24 Jakub Jelinek <jakub@redhat.com>
4559 * regcprop.c (copyprop_hardreg_forward_1): Don't call df_insn_rescan.
4562 * gimplify.c (gimplify_type_sizes): Clear DECL_IGNORED_P for VLA
4563 bounds even for -O+.
4564 * var-tracking.c (track_expr_p): If !need_rtl, don't mandate
4565 expr needs to have DECL_NAME set.
4567 2010-02-24 Nick Clifton <nickc@redhat.com>
4569 * config/mep/mep.c: Include gimple.h.
4570 (mep_function_uses_sp): Delete unused function.
4571 (mep_gimplify_va_arg_expr): Change types of pre_p and post_p
4572 parameters. Use unsigned integers to count args. Return a
4573 NULL_RTX instead of an error_mark_node. Toidy up formatting.
4575 2010-02-23 Jakub Jelinek <jakub@redhat.com>
4578 * config/i386/i386.c (avx_vpermilp_parallel): Reject indexes
4579 greater or equal to nelt instead of 2 * nelt.
4580 (expand_vec_perm_1): When op0 and op1 are equal, mask indexes
4583 2010-02-23 Jason Merrill <jason@redhat.com>
4586 * cfgexpand.c (expand_used_vars): Keep artificial non-ignored vars
4587 in cfun->local_decls even if they have register types.
4590 * stor-layout.c (place_field): Don't warn about unnecessary
4591 DECL_PACKED if the type is packed.
4593 2010-02-23 Jakub Jelinek <jakub@redhat.com>
4596 * config/i386/i386.c (ix86_delegitimize_address): Delegitimize all
4597 GOTOFF relocs, even when the base reg isn't pic pointer.
4599 2010-02-23 Michael Matz <matz@suse.de>
4602 * cfgexpand (expand_debug_expr): Expand TERed ssa names in place.
4603 (expand_gimple_basic_block): Generate and use debug temps if there
4604 are debug uses left after the last real use of TERed ssa names.
4605 Unlink debug immediate uses when they are expanded.
4607 2010-02-23 Manuel López-Ibáñez <manu@gcc.gnu.org>
4610 * config/i386/i386.c (override_options): Reorganise to provide
4611 better error messages.
4613 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
4616 * graphite-scop-detection.c (create_single_exit_edge): Move
4617 the call to find_single_exit_edge to....
4618 (create_sese_edges): ...here. Don't handle multiple edges
4619 exiting the function.
4620 (build_graphite_scops): Don't handle multiple edges
4621 exiting the function.
4623 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
4626 * sese.c (get_rename): Assert that old_name is an SSA_NAME.
4627 (rename_variables_in_stmt): Continue when the use is not an SSA_NAME.
4629 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
4632 * sese.c (expand_scalar_variables_expr): Handle COMPONENT_REF.
4634 2010-02-22 Manuel López-Ibáñez <manu@gcc.gnu.org>
4637 * c-typeck.c (convert_arguments): Print declaration location.
4638 * c-common.c (validate_nargs): Rename as
4639 builtin_function_validate_nargs.
4640 (check_builtin_function_arguments): Update.
4642 2010-02-22 Richard Guenther <rguenther@suse.de>
4645 * tree-inline.c (declare_return_variable): Use the type of
4646 the call stmt lhs if available.
4648 2010-02-22 Duncan Sands <baldrick@free.fr>
4650 * passes.c (register_pass): Always consider all pass lists when
4651 ref_pass_instance_number is zero.
4653 2010-02-22 Richard Guenther <rguenther@suse.de>
4655 PR tree-optimization/42749
4656 * tree-tailcall.c (adjust_return_value_with_ops): Drop update
4657 parameter. Do arithmetic in the original type.
4658 (update_accumulator_with_ops): Likewise.
4659 (adjust_accumulator_values): Adjust.
4661 2010-02-22 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
4663 * config/s390/s390.md ("movqi"): Re-add the mem->mem alternative.
4664 (QI to BLKmode splitter): New splitter.
4666 2010-02-22 H.J. Lu <hongjiu.lu@intel.com>
4668 * config/i386/i386.c (initial_ix86_tune_features): Turn on
4669 X86_TUNE_INTER_UNIT_MOVES for m_ATOM.
4671 2010-02-22 Richard Guenther <rguenther@suse.de>
4673 * tree-vect-slp.c (vect_slp_analyze_bb): Fix typo.
4675 2010-02-22 Hans-Peter Nilsson <hp@bitrange.com>
4677 Migrate crti, crtn, crtbegin, crtend build rules to libgcc.
4678 * config/mmix/t-mmix (EXTRA_MULTILIB_PARTS): Don't set.
4679 ($(T)crti.o, $(T)crtn.o): Remove rules.
4681 2010-02-21 Tobias Burnus <burnus@net-b.de>
4684 * doc/invoke.texi (-fassociative-math): Document that this
4685 option is automatically enabled for Fortran.
4687 2010-02-20 David S. Miller <davem@davemloft.net>
4689 * configure.ac: Test if linker and assembler properly support
4690 GOTDATA_OP relocations.
4691 * configure: Rebuild.
4692 * config.in: Likewise.
4693 * config/sparc/sparc.md (UNSPEC_MOVE_GOTDATA): New.
4694 (movsi_lo_sum_pic): Use %gdop_*() relocs if available.
4695 (movsi_high_pic): Likewise.
4696 (movdi_lo_sum_pic): Likewise.
4697 (movdi_high_pic): Likewise.
4698 (movsi_pic_gotdata_op): New pattern.
4699 (movdi_pic_gotdata_op): Likewise.
4700 * config/sparc/sparc.c (legitimize_pic_address): If flag_pic is 2,
4701 emit gen_mov{si,di}_pic_gotdata_op for the GOT slot load.
4703 2010-02-20 Uros Bizjak <ubizjak@gmail.com>
4706 * config/i386/sse.md (xop_mulv2div2di3_low): Change type
4707 attribute to ssemul.
4708 (xop_mulv2div2di3_high): Ditto.
4710 2010-02-20 Manuel López-Ibáñez <manu@gcc.gnu.org>
4713 * c.opt (Wconversion-null): New option.
4714 * doc/invoke.texi (Wconversion-null): Document.
4716 2010-02-20 Manuel López-Ibáñez <manu@gcc.gnu.org>
4718 * common.opt (Wlarger-than-): Add Undocumented.
4720 2010-02-19 Mike Stump <mikestump@comcast.net>
4722 * config/t-darwin (gt-darwin.h): Remove as Makefile now handles it.
4724 2010-02-19 Jason Merrill <jason@redhat.com>
4727 * configure.ac (gcc_cv_as_cfi_advance_working): Check 32-bit advance.
4728 * configure: Likewise.
4730 2010-02-20 Alan Modra <amodra@gmail.com>
4733 * cgraph.h (cgraph_make_decl_local): Declare.
4734 * cgraph.c (cgraph_make_decl_local): New function.
4735 (cgraph_make_node_local): Use it.
4736 * cgraphunit.c (cgraph_function_versioning): Likewise.
4737 * ipa.c (function_and_variable_visibility): Likewise.
4739 2010-02-19 Jakub Jelinek <jakub@redhat.com>
4742 * except.c (sjlj_emit_function_enter): Don't call
4743 add_reg_br_prob_note, instead add REG_BR_PROB note to the last insn
4745 * rtl.h (add_reg_br_prob_note): Remove prototype.
4747 2010-02-19 Manuel López-Ibáñez <manu@gcc.gnu.org>
4750 * c-common.c (conversion_warning): Remove widening conversions
4751 before checking the conversion of integers to reals.
4753 2010-02-19 Mike Stump <mikestump@comcast.net>
4756 * c-decl.c (merge_decls): Merge DECL_PRESERVE_P.
4759 * cgraphunit.c (process_function_and_variable_attributes): Check
4760 DECL_PRESERVE_P instead of looking up attribute "used".
4761 * ipa-pure-const.c (check_decl): Likewise.
4762 * ipa-reference.c (has_proper_scope_for_analysis): Likewise.
4763 * ipa-type-escape.c (has_proper_scope_for_analysis): Likewise.
4764 * config/sol2.c (solaris_insert_attributes): Set DECL_PRESERVE_P
4765 instead of attribute "used".
4766 * config/sol2-c.c (solaris_pragma_init): Likewise.
4767 (solaris_pragma_fini): Likewise.
4769 2010-02-19 Jakub Jelinek <jakub@redhat.com>
4771 * ipa-struct-reorg.c (make_field_acc_node, gen_cluster, peel_field):
4772 Use XCNEW instead of xcalloc.
4773 (add_access_to_acc_sites, create_new_var_node, add_alloc_site): Use
4774 XNEW instead of xmalloc.
4775 (get_fields): Use XNEWVEC instead of xmalloc.
4778 * ipa-struct-reorg.c (add_access_to_acc_sites): For debug stmts don't
4779 populate vars array.
4780 (create_new_general_access): For debug stmts just reset value.
4781 (get_stmt_accesses): For accesses within debug stmts just record them
4782 using add_access_to_acc_sites instead of preventing the peeling or
4783 counting them as accesses.
4786 * dojump.c (do_jump) <case TRUTH_NOT_EXPR>: Invert priority.
4788 2010-02-19 Richard Guenther <rguenther@suse.de>
4790 PR tree-optimization/42916
4791 * tree-vect-slp.c (vect_slp_analyze_bb): Count only real
4794 2010-02-19 Andreas Schwab <schwab@linux-m68k.org>
4796 * configure.ac: Replace all uses of changequote in macro arguments
4797 with proper quoting.
4799 2010-02-19 Jakub Jelinek <jakub@redhat.com>
4802 * loop-doloop.c (add_test): Adjust do_compare_rtx_and_jump caller.
4804 2010-02-19 Richard Guenther <rguenther@suse.de>
4806 PR tree-optimization/42944
4807 * tree-ssa-alias.c (call_may_clobber_ref_p_1): Massage
4808 test for aliasing with errno.
4810 2010-02-19 Jakub Jelinek <jakub@redhat.com>
4813 * expr.h (jumpifnot, jumpifnot_1, jumpif, jumpif_1, do_jump,
4814 do_jump_1, do_compare_rtx_and_jump): Add PROB argument.
4815 * dojump.c: Include output.h.
4816 (inv): New inline function.
4817 (jumpifnot, jumpifnot_1, jumpif, jumpif_1, do_jump_1, do_jump,
4818 do_jump_by_parts_greater_rtx, do_jump_by_parts_greater,
4819 do_jump_by_parts_zero_rtx, do_jump_by_parts_equality_rtx,
4820 do_jump_by_parts_equality, do_compare_and_jump): Add PROB
4821 argument, pass it down to other calls.
4822 (do_compare_rtx_and_jump): Likewise. If PROB is not -1,
4823 add REG_BR_PROB note to the conditional jump.
4824 * cfgexpand.c (add_reg_br_prob_note): Removed.
4825 (expand_gimple_cond): Don't call it, add the probability
4826 as last argument to jumpif_1/jumpifnot_1.
4827 * Makefile.in (dojump.o): Depend on output.h.
4828 * builtins.c (expand_errno_check): Adjust do_compare_rtx_and_jump
4830 * expmed.c (emit_store_flag_force, do_cmp_and_jump): Likewise.
4831 * stmt.c (do_jump_if_equal): Likewise.
4832 * cfgrtl.c (rtl_lv_add_condition_to_bb): Likewise.
4833 * loop-unswitch.c (compare_and_jump_seq): Likewise.
4834 * config/rs6000/rs6000.c (rs6000_aix_emit_builtin_unwind_init):
4836 * optabs.c (expand_doubleword_shift, expand_abs): Likewise.
4837 * expr.c (expand_expr_real_1): Adjust do_jump, jumpifnot and
4838 jumpifnot_1 callers.
4839 (expand_expr_real_2): Adjust jumpifnot_1 and do_compare_rtx_and_jump
4841 (store_expr): Adjust jumpifnot caller.
4842 (store_constructor): Adjust jumpif caller.
4845 * gimplify.c (gimple_boolify): For __builtin_expect call
4846 gimple_boolify also on its first argument.
4848 2010-02-18 Uros Bizjak <ubizjak@gmail.com>
4850 * configure.ac (gnu-unique-object): Wrap regexps using [] in
4852 (__stack_chk_fail): Ditto. Remove quadrigraphs.
4853 * configure: Regenerated.
4855 2010-02-18 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
4857 * config/spu/spu-c.c (spu_resolve_overloaded_builtin): Call
4858 lang_hooks.types_compatible_p instead of comptypes.
4860 2010-02-18 Sebastian Huber <sebastian.huber@embedded-brains.de>
4862 * config/arm/lib1funcs.asm (__prefer_thumb__): New define.
4863 (udivsi3, aeabi_uidivmod, divsi3, aeabi_idivmod): Use Thumb-1 variant
4864 if __prefer_thumb__ is defined.
4866 2010-02-18 Martin Jambor <mjambor@suse.cz>
4868 PR tree-optimization/43066
4869 * tree-sra.c (build_ref_for_offset_1): Return false on encountering an
4870 array with zero-sized element type.
4872 2010-02-18 Jakub Jelinek <jakub@redhat.com>
4874 * dwarf2out.c (add_var_loc_to_decl): Change last argument to
4875 rtx, allocate struct var_loc_node here and return it to the
4876 caller, and only if it is actually needed.
4877 (dwarf2out_var_location): Adjust add_var_loc_to_decl caller,
4878 move it earlier and return immediately if it returns NULL.
4880 2010-02-17 Mikael Pettersson <mikpe@it.uu.se>
4882 * config/sparc/gas.h: New file. Restore
4883 TARGET_ASM_NAMED_SECTION to its ELF default.
4884 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Do not
4886 * config/sparc/sparc.c (sparc_elf_asm_named_section):
4887 Likewise. Add ATTRIBUTE_UNUSED to prototype.
4888 * config.gcc (sparc*-*-linux*): Include sparc/gas.h
4889 after sparc/sysv4.h.
4891 2010-02-17 Dave Korn <dave.korn.cygwin@gmail.com>
4893 * config/i386/mingw32.h (LIBGCJ_SONAME): Fix cut'n'pasto in DLL name.
4895 2010-02-17 Steven Bosscher <steven@gcc.gnu.org>
4897 * gensupport.c (process_one_cond_exec): Derive name for COND_EXEC
4898 patterns from predicated pattern.
4900 2010-02-17 Uros Bizjak <ubizjak@gmail.com>
4903 * config/i386/sse.md (xop_vpermil2<mode>3): Use avxmodesuffixf2c
4904 for insn mnemonic suffix.
4906 2010-02-17 Richard Guenther <rguenther@suse.de>
4908 * tree-vrp.c (vrp_visit_phi_node): Restrict SCEV analysis
4911 2010-02-17 Jakub Jelinek <jakub@redhat.com>
4914 * caller-save.c (save_call_clobbered_regs): If BB ends with
4915 a DEBUG_INSN, move any notes in between last real insn and the last
4916 DEBUG_INSN after the last DEBUG_INSN.
4918 2010-02-16 Joern Rennecke <joern.rennecke@embecosm.com>
4920 * tm.texi (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC):
4921 Fix return type. Fix argument type. Explain meaning of return value.
4923 2010-02-16 Richard Guenther <rguenther@suse.de>
4925 PR tree-optimization/41043
4926 * tree-vrp.c (vrp_var_may_overflow): Only ask SCEV for real loops.
4927 (vrp_visit_assignment_or_call): Do not ask SCEV for regular
4929 (vrp_visit_phi_node): ... but only for loop PHI nodes.
4931 2010-02-16 Ira Rosen <irar@il.ibm.com>
4933 PR tree-optimization/43074
4934 * tree-vectorizer.h (VECTORIZABLE_CYCLE_DEF): New.
4935 * tree-vect-loop.c (vect_analyze_loop_operations): Add
4936 vectorizable cycles in hybrid SLP check.
4937 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Likewise.
4939 2010-02-16 Richard Guenther <rguenther@suse.de>
4941 * alias.c (memrefs_conflict_p): Distinguish must-alias from don't know.
4942 (true_dependence): If memrefs_conflict_p computes must-alias
4943 trust it. Move TBAA check after offset-based disambiguation.
4944 (canon_true_dependence): Likewise.
4946 2010-02-16 Alexandre Oliva <aoliva@redhat.com>
4948 * params.def (PARAM_MAX_VARTRACK_SIZE): New.
4949 * doc/invoke.texi: Document it.
4950 * var-tracking.c: Include toplev.h and params.h.
4951 (vt_find_locations): Return bool indicating success. Compute
4952 hash sizes unconditionally. Check new parameter, report.
4953 (variable_tracking_main_1): Check vt_find_locations results and
4954 retry. Renamed from...
4955 (variable_tracking_main): ... this. New wrapper to preserve
4956 flag_var_tracking_assignments.
4957 * Makefile.in (var-tracking.o): Adjust dependencies.
4959 2010-02-16 Jack Howarth <howarth@bromo.med.uc.edu>
4960 Jakub Jelinek <jakub@redhat.com>
4963 * config/darwin.h (ASM_WEAKEN_DECL): Don't check weak attribute
4964 if weak_import attribute is present.
4965 * config/darwin.c (machopic_select_section): Likewise.
4967 2010-02-15 Joern Rennecke <joern.rennecke@embecosm.com>
4969 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZATION_COST): Document.
4970 (TARGET_VECTORIZE_VECTOR_ALIGNMENT_REACHABLE): Likewise.
4971 (TARGET_VECTORIZE_BUILTIN_VEC_PERM): Likewise.
4972 (TARGET_VECTORIZE_BUILTIN_VEC_PERM_OK): Likewise.
4974 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Fix argument
4977 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
4980 * doc/tm.texi (TARGET_SCHED_DFA_NEW_CYCLE): Add argument names.
4981 Rewrite text to refer to the names.
4983 2010-02-15 Sebastian Pop <sebastian.pop@amd.com>
4985 * config/i386/i386-builtin-types.def
4986 (V2DF_FTYPE_V2DF_V2DF_V2DI_INT): Declared.
4987 (V4DF_FTYPE_V4DF_V4DF_V4DI_INT): Declared.
4988 (V4SF_FTYPE_V4SF_V4SF_V4SI_INT): Declared.
4989 (V8SF_FTYPE_V8SF_V8SF_V8SI_INT): Declared.
4990 * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_VPERMIL2PD,
4991 IX86_BUILTIN_VPERMIL2PS, IX86_BUILTIN_VPERMIL2PD256, and
4992 IX86_BUILTIN_VPERMIL2PS256.
4993 (MULTI_ARG_4_DF2_DI_I): Defined.
4994 (MULTI_ARG_4_DF2_DI_I1): Defined.
4995 (MULTI_ARG_4_SF2_SI_I): Defined.
4996 (MULTI_ARG_4_SF2_SI_I1): Defined.
4997 (bdesc_multi_arg): Add __builtin_ia32_vpermil2pd,
4998 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256, and
4999 __builtin_ia32_vpermil2ps256.
5000 (ix86_expand_multi_arg_builtin): Handle MULTI_ARG_4_DF2_DI_I,
5001 MULTI_ARG_4_DF2_DI_I1, MULTI_ARG_4_SF2_SI_I, and
5002 MULTI_ARG_4_SF2_SI_I1. Handle builtins with 4 arguments.
5003 (ix86_expand_args_builtin): Handle MULTI_ARG_4_DF2_DI_I,
5004 MULTI_ARG_4_DF2_DI_I1, MULTI_ARG_4_SF2_SI_I, and
5005 MULTI_ARG_4_SF2_SI_I1. Handle CODE_FOR_xop_vpermil2v2df3,
5006 CODE_FOR_xop_vpermil2v4sf3, CODE_FOR_xop_vpermil2v4df3, and
5007 CODE_FOR_xop_vpermil2v8sf3.
5008 * config/i386/i386.md (UNSPEC_VPERMIL2): Declared.
5009 * config/i386/sse.md (xop_vpermil2<mode>3): New insn pattern.
5010 * config/i386/xopintrin.h (_mm_permute2_pd): New.
5011 (_mm256_permute2_pd): New.
5012 (_mm_permute2_ps): New.
5013 (_mm256_permute2_ps): New.
5015 2010-02-15 Nick Clifton <nickc@redhat.com>
5017 * config/h8300/h8300.c (h8300_push_pop): Use bool type for
5018 boolean parameters. Use emit_jump_insn when emitting a pop
5019 instruction containing a return insn.
5020 (push): Use 'true' rather than '1' as second parameter to F.
5021 (h8300_expand_prologue): Likewise.
5022 Use 'true' and 'false' for boolean parameters to h8300_push_pop.
5023 (h8300_expand_epilogue): Likewise.
5025 2010-02-15 Richard Guenther <rguenther@suse.de>
5028 * cgraphunit.c (thunk_adjust): Skip adjusting by fixed_offset
5031 2010-02-15 Nick Clifton <nickc@redhat.com>
5033 * config/mn10300/mn10300.h (FUNCTION_ARG_REGNO_P): Revert previous
5036 2010-02-14 Marco Poletti <poletti.marco@gmail.com>
5038 * intl.c (fake_ngettext): New function.
5039 * intl.h (fake_ngettext): Declare.
5040 (ngettext): Define macro.
5041 * collect2.c (notice_translated): New function.
5042 (main): Use notice_translated and ngettext.
5043 * collect2.h (notice_translated): Declare.
5045 2010-02-14 Steven Bosscher <steven@gcc.gnu.org>
5047 * reorg.c (delete_computation): Comment fixes.
5048 * caller-save.c (setup_save_areas): Idem.
5049 * sel-sched-dump.c (dump_lv_set): Idem.
5052 2010-02-14 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
5054 * config/s390/s390.c (s390_sched_init): New function.
5055 (TARGET_SCHED_INIT): Target hook defined.
5057 2010-02-12 Dave Korn <dave.korn.cygwin@gmail.com>
5058 Jack Howarth <howarth@bromo.med.uc.edu>
5059 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
5062 Partial revert of unintended change in fix for PR41605.
5063 * config/darwin.h: Fix typo.
5064 * config/darwin9.h: Same.
5066 2010-02-11 Jakub Jelinek <jakub@redhat.com>
5068 * c-pch.c (pch_init): Clear v.
5070 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
5073 * graphite-scop-detection.c (graphite_can_represent_scev): Call
5074 graphite_can_represent_init for MULT_EXPR.
5076 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
5080 * graphite-sese-to-poly.c (remove_phi): New.
5081 (translate_scalar_reduction_to_array): Call remove_phi.
5083 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
5086 * graphite-clast-to-gimple.c (gloog): Call rename_sese_parameters.
5087 * graphite-clast-to-gimple.h (gloog): Update declaration.
5088 * graphite-poly.c (new_scop): Clear POLY_SCOP_P.
5089 * graphite-poly.h (struct poly_bb): Add missing comments.
5090 (struct scop): Add poly_scop_p field.
5092 * graphite-sese-to-poly.c (build_poly_scop): Set POLY_SCOP_P.
5093 * graphite.c (graphite_transform_loops): Build the polyhedral
5094 representation for each scop before code generation.
5095 * sese.c (rename_variables_in_operand): Removed.
5096 (rename_variables_in_expr): Return the renamed expression.
5097 (rename_sese_parameters): New.
5098 * sese.h (rename_sese_parameters): Declared.
5100 2010-02-11 Richard Guenther <rguenther@suse.de>
5102 PR tree-optimization/42998
5103 * tree-ssa-pre.c (create_expression_by_pieces): Treat
5104 POINTER_PLUS_EXPR properly.
5106 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
5107 Changpeng Fang <changpeng.fang@amd.com>
5110 * tree-ssa-loop-ivopts.c (determine_use_iv_cost_condition): Decrement
5111 the cost of an IV candidate when the IV is used in a test against zero.
5113 * gcc.dg/tree-ssa/ivopts-3.c: New.
5115 2010-02-11 Richard Guenther <rguenther@suse.de>
5118 * tree-ssa-alias.c (refs_may_alias_p_1): Canonicalize
5119 pointer-vs-decl case by swapping refs. Handle some cases
5120 of pointer-vs-decl disambiguations more conservatively.
5121 * cfgexpand.c (gimple_expand_cfg): Set gimple_df->in_ssa_p
5122 to false after expanding.
5124 2010-02-11 Richard Guenther <rguenther@suse.de>
5127 * gcc.c (process_command): Handle LTO file@offset case more
5130 2010-02-11 Jakub Jelinek <jakub@redhat.com>
5132 * reload1.c (eliminate_regs_1): If insn is DEBUG_INSN, avoid any
5133 modifications outside of the DEBUG_INSN. Accept CLOBBERs inside
5135 (eliminate_regs_in_insn): Eliminate regs even in DEBUG_INSNs.
5137 * dwarf2out.c (mem_loc_descriptor) <case MEM>: Use DW_OP_deref_size
5138 if MEM's mode size isn't DWARF2_ADDR_SIZE.
5139 (mem_loc_descriptor) <do_scompare>: Allow also VOIDmode arguments.
5140 Optimize eq/ne comparisons when both arguments are known to be
5142 (mem_loc_descriptor) <do_ucompare>: Allow also VOIDmode arguments.
5143 Don't mask operands unnecessarily if they are known to be already
5146 2010-02-10 Vladimir Makarov <vmakarov@redhat.com>
5148 * ira-conflicts.c (add_insn_allocno_copies): Use find_reg_note
5151 2010-02-10 Richard Guenther <rguenther@suse.de>
5153 PR tree-optimization/43017
5154 * tree-vrp.c (vrp_int_const_binop): Trust int_const_binop
5155 for wrapping signed arithmetic.
5157 2010-02-10 Jakub Jelinek <jakub@redhat.com>
5160 * dwarf2out.c (retry_incomplete_types): Don't call gen_type_die
5161 if no debug info should be emitted for it.
5163 2010-02-10 Kaz Kojima <kkojima@gcc.gnu.org>
5165 * config/sh/sh.c (find_barrier): Skip call insn with a REG_EH_REGION
5166 note when flag_exceptions is set.
5168 2010-02-10 Duncan Sands <baldrick@free.fr>
5170 * Makefile.in (PLUGIN_HEADERS): Add debug.h.
5172 2010-02-10 Richard Guenther <rguenther@suse.de>
5175 * tree.c (get_unwidened): Handle constants.
5176 * convert.c (convert_to_integer): Handle TRUNC_DIV_EXPR.
5178 2010-02-10 Martin Jambor <mjambor@suse.cz>
5181 * ipa-prop.c (ipa_update_after_lto_read): Count parameters and
5182 check for variable argument counts independently.
5184 2010-02-10 Christian Bruel <christian.bruel@st.com>
5187 * config/sh/sh.c (find_barrier): Increase length for non delayed
5188 conditional branches.
5190 2010-02-10 Christian Bruel <christian.bruel@st.com>
5192 * config/sh/sh.c (find_barrier): Don't emit a CP inside the GP setting.
5194 2010-02-10 Jakub Jelinek <jakub@redhat.com>
5196 * builtins.c (set_builtin_user_assembler_name): Also handle
5197 ffs if int is smaller than word.
5199 2010-02-09 Vladimir Makarov <vmakarov@redhat.com>
5202 * ira-conflicts.c (get_dup): Remove.
5203 (process_reg_shuffles): Add new parameter. Use it as an
5204 additional guard for copy generation.
5205 (add_insn_allocno_copies): Rewrite.
5207 2010-02-09 Alexander Monakov <amonakov@ispras.ru>
5209 * common.opt (fsched2-use-traces): Preserved for backward
5211 * doc/invoke.texi: Remove the documentation about option
5212 -fsched2-use-traces.
5213 * sched-rgn.c (rest_of_handle_sched2): Remove usage of
5214 flag_sched2_use_traces.
5215 * opts.c (common_handle_option): Add OPT_fsched2_use_traces to
5216 the backward compatibility flag section.
5218 2010-02-09 Richard Guenther <rguenther@suse.de>
5220 PR tree-optimization/43008
5221 * tree-ssa-structalias.c (handle_lhs_call): Pass in the fndecl,
5222 make HEAP variables initialized from global memory if they
5223 are not known builtin functions.
5224 (find_func_aliases): Adjust.
5226 2010-02-09 Richard Guenther <rguenther@suse.de>
5228 PR tree-optimization/43000
5229 * tree-vrp.c (vrp_int_const_binop): Only handle unsigned
5230 arithmetic manually.
5232 2010-02-08 Jakub Jelinek <jakub@redhat.com>
5234 PR tree-optimization/42931
5235 * tree-loop-linear.c (try_interchange_loops): Don't call
5236 double_int_mul if estimated_loop_iterations failed.
5238 2010-02-08 Martin Jambor <mjambor@suse.cz>
5241 * tree-sra.c (build_accesses_from_assign): Do not mark in
5242 should_scalarize_away_bitmap if stmt has volatile ops.
5243 (sra_modify_assign): Do not process assigns piecemeal if if stmt
5246 2010-02-08 Joern Rennecke <joern.rennecke@embecosm.com>
5248 * doc/tm.texi (TARGET_UNWIND_WORD_MODE): Document.
5250 2010-02-07 Adam Nemet <adambnmet@gmail.com>
5252 * config/mips/mips.md (*<optab>_trunc<mode>_exts): Fix comment
5255 2010-02-07 Andrew Pinski <pinskia@gmail.com>
5258 * df-core.c (df_finish_pass): Change type of saved_flags to int.
5260 2010-02-07 Sebastian Pop <sebastian.pop@amd.com>
5263 * graphite-dependences.c (dependence_polyhedron): Set PDDR_KIND
5264 to unknown_dependence.
5265 (graphite_legal_transform_dr): Handle the unknown_dependence.
5266 (graphite_carried_dependence_level_k): Same.
5268 2010-02-07 Sebastian Pop <sebastian.pop@amd.com>
5270 * ChangeLog.graphite: Remove testsuite/ or gcc/testsuite/.
5272 2010-02-07 Richard Guenther <rguenther@suse.de>
5275 * expr.c (get_inner_reference): Always initialize *pbitsize.
5277 2010-02-07 Richard Guenther <rguenther@suse.de>
5280 * gimplify.c (gimple_fold_indirect_ref): Avoid generating
5281 new ARRAY_REFs on variable size element or minimal index arrays.
5283 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Use
5284 gimple_fold_indirect_ref.
5286 2010-02-06 Richard Earnshaw <rearnsha@arm.com>
5289 * arm.c (arm_override_options): Just return if the user has specified
5290 an invalid fpu name.
5292 2010-02-03 Jason Merrill <jason@redhat.com>
5295 * config/i386/cygming.h (ASM_OUTPUT_DEF_FROM_DECLS): Call
5296 i386_pe_maybe_record_exported_symbol.
5298 2010-02-05 Steve Ellcey <sje@cup.hp.com>
5301 * config/pa/pa.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine.
5302 (pa_delegitimize_address): New function.
5304 2010-02-05 Ozkan Sezer <sezeroz@gmail.com>
5306 * config/i386/msformat-c.c (ms_printf_length_specs): Set the
5307 scalar_identity_flag for the size_t/ptrdiff_t %Id and %Iu specs.
5309 2010-02-05 Richard Guenther <rguenther@suse.de>
5312 * lto-streamer-in.c (get_resolution): Deal with references
5313 to undefined functions.
5315 2010-02-05 Richard Guenther <rguenther@suse.de>
5317 * tree-ssa-ccp.c (get_symbol_constant_value): Strip all conversions.
5318 (fold_const_aggregate_ref): Likewise.
5319 (ccp_fold_stmt): Substitute loads.
5320 (maybe_fold_reference): Verify types before substituting.
5322 (fold_gimple_assign): Unshare properly.
5323 (fold_stmt_1): Insert conversion if necessary before replacing the RHS.
5325 2010-02-05 Nathan Froyd <froydnj@codesourcery.com>
5327 * config/rs6000/rs6000.c (rs6000_override_options): Invert check
5328 for rs6000_gen_cell_microcode.
5330 2010-02-04 Richard Guenther <rguenther@suse.de>
5332 PR rtl-optimization/42952
5333 * dse.c (const_or_frame_p): Remove MEM handling.
5335 2010-02-04 Nick Clifton <nickc@redhat.com>
5337 * config/mn10300/mn10300.c (TARGET_ASM_OUTPUT_MI_THUNK): Define.
5338 (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Define.
5339 (function_arg): Use NULL_RTX and FIRST_ARGUMENT_REGNUM.
5340 (mn10300_asm_output_mi_thunk): New function.
5341 (mn10300_can_output_mu_thunk): New function.
5342 * config/mn10300/mn10300.h (FIRST_ARGUMENT_REGNUM): Define.
5343 (FUNCTION_ARG_REGNO_P): Fix comment. Accept d0 and d1.
5344 (FUNCTION_ARG): Delete incorrect comment.
5346 2010-02-03 Jason Merrill <jason@redhat.com>
5349 * fold-const.c (operand_equal_p): Handle erroneous types.
5351 2010-02-03 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
5353 * config/h8300/h8300.md (can_delay): Fix attibute condition.
5355 2010-02-03 Vladimir Makarov <vmakarov@redhat.com>
5357 PR rtl-optimization/42941
5358 * sched-deps.c (setup_insn_reg_pressure_info): Use xcalloc instead
5361 2010-02-03 Jason Merrill <jason@redhat.com>
5364 * builtins.c (c_strlen): Use EXPR_LOCATION in diagnostics.
5366 2010-02-03 Alexandre Oliva <aoliva@redhat.com>
5369 * cselib.h (struct cselib_val_struct): Add uid. Rename value to hash.
5370 (cselib_reset_table): Renamed from...
5371 (cselib_reset_table_with_next_value): ... this.
5372 (cselib_get_next_uid): Renamed from...
5373 (cselib_get_next_unknown_value): ... this.
5374 * cselib.c (next_uid): Renamed from...
5375 (next_unknown_value): ... this.
5376 (cselib_clear_table): Adjust.
5377 (cselib_reset_table): Adjust. Renamed from...
5378 (cselib_reset_table_with_next_value): ... this.
5379 (cselib_get_next_uid): Adjust. Renamed from...
5380 (cselib_get_next_unknown_value): ... this.
5381 (get_value_hash): Use hash.
5382 (cselib_hash_rtx): Likewise.
5383 (new_cselib_val): Adjust. Set and dump uid.
5384 (cselib_lookup_mem): Pass next_uid as hash.
5385 (cselib_subst_to_values): Likewise.
5386 (cselib_log_lookup): Dump uid.
5387 (cselib_lookup): Pass next_uid as hash. Adjust.
5388 (cselib_process_insn): Adjust.
5389 (cselib_init): Initialize next_uid.
5390 (cselib_finish): Adjust.
5391 (dump_cselib_table): Likewise.
5392 * dse.c (canon_address): Dump value uid.
5393 * print-rtl.c (print_rtx): Print value uid.
5394 * var-tracking.c (VARIABLE_HASH_VAL): Dropped.
5396 (dv_uid): New function, sort of renamed from...
5397 (dv_htab_hash): ... this, reimplemented in terms of it and...
5398 (dv_uid2hash): ... this. New.
5399 (variable_htab_eq): Drop excess assertions.
5400 (tie_break_pointers): Removed.
5401 (canon_value_cmp): Compare uids.
5402 (variable_post_merge_New_vals): Print uids.
5403 (vt_add_function_parameters): Adjust.
5404 (vt_initialize): Reset table. Adjust.
5406 2010-02-03 Richard Guenther <rguenther@suse.de>
5408 PR tree-optimization/42944
5409 * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Handle calloc.
5410 (call_may_clobber_ref_p_1): Likewise. Properly handle
5411 malloc and calloc clobbering errno.
5413 2010-02-03 Steven Bosscher <steven@gcc.gnu.org>
5415 * doc/invoke.texi: Fix name of sched1 dump.
5417 * opts.c (decode_options): Set flag_tree_switch_conversion
5418 only conditionally on optimize >= 2.
5420 * gcse.c: Assorted comment fixes in pass description.
5422 2010-02-03 Anthony Green <green@moxielogic.com>
5424 * config/moxie/moxie.c (moxie_asm_trampoline_template): Introduce
5425 nop padding in order to maintain alignment of storage location of
5426 target function address.
5427 (moxie_trampoline_init): Store target function address at newly
5429 * config/moxie/moxie.h (TRAMPOLINE_ALIGNMENT): Increase alignment
5431 (TRAMPOLINE_SIZE): Increase size by 2 bytes for alignment padding.
5433 2010-02-03 Richard Guenther <rguenther@suse.de>
5436 * tree-cfg.c (verify_gimple_assign_binary): Fix shift verification.
5438 2010-02-03 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5440 * config.gcc: Reenable check for obsolete targets.
5441 Obsolete alpha*-dec-osf4*, alpha*-dec-osf5.0*, mips-sgi-irix5*,
5442 mips-sgi-irix6.[0-4]*.
5444 2010-02-02 Nick Clifton <nickc@redhat.com>
5446 * config/rx/rx.c (rx_is_legitimate_constant): Treat a maximum
5447 constant size of 4 as being the same as 0.
5448 * doc/invoke.texi (RX Options): Document that -mmax-constant-size
5449 can take values in the range 0..4.
5451 2010-02-02 Jack Howarth <howarth@bromo.med.uc.edu>
5454 * unwind-dw2-fde-darwin.c: Re-export _Unwind_FindEnclosingFunction()
5455 as _darwin10_Unwind_FindEnclosingFunction().
5456 * libgcc-libsystem.ver: New.
5458 2010-02-01 Vladimir Makarov <vmakarov@redhat.com>
5461 * sched-deps.c (sched_analyze_insn): Ignore fixed registers for
5462 implicitly set registers.
5464 2010-02-01 Richard Earnshaw <rearnsha@arm.com>
5466 * arm.c (FL_FOR_ARCH_7A): is also a superset of ARMv6K.
5467 (arm_override_options): Allow automatic selection of the thread
5468 pointer register if thumb2.
5469 (legitimize_pic_address): Improve code sequences for Thumb2.
5470 (arm_call_tls_get_addr): Likewise.
5471 (legitimize_tls_address): Likewise.
5472 * arm.md (pic_load_addr_arm): Delete. Replace with ...
5473 (pic_load_addr_32bit): ... this. New named pattern.
5474 * thumb2.md (pic_load_addr_thumb2): Delete.
5475 (pic_load_dot_plus_four): Delete.
5476 (tls_load_dot_plus_four): New named pattern.
5478 2010-02-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5481 * doc/install.texi (Specific): Add sparc-sun-solaris2.10 entry.
5482 Document fix for TLS bug.
5484 2010-01-31 Richard Guenther <rguenther@suse.de>
5486 * tree-sra.c (ptr_parm_has_direct_uses): Rewrite to be
5487 conservatively correct.
5489 2010-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5493 2010-01-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5495 * config/pa/t-slibgcc-dwarf-ver (SHLIB_SOVERSION): Bump by two.
5497 2010-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5499 * doc/install.texi: Update recommended GMP/MPFR/MPC versions.
5501 2010-01-31 Kai Tietz <kai.tietz@onevision.com>
5503 * config.gcc: Adjust order of makefile fragments for mingw targets.
5505 2010-01-31 Richard Guenther <rguenther@suse.de>
5508 * gimplify.c (gimplify_init_constructor): For volatile LHS
5509 initialize a temporary.
5511 2010-01-31 Matthias Klose <doko@ubuntu.com>
5513 * configure.ac: Fix __stack_chk_fail check for cross builds configured
5515 * configure: Regenerate.
5517 2010-01-29 Eric Botcazou <ebotcazou@adacore.com>
5519 * tree-ssa-alias.c (same_type_for_tbaa): Return -1 if the types have
5520 the same alias set and their sizes different constantness.
5521 (aliasing_component_refs_p): Revert 2009-10-24 change.
5523 2010-01-29 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5525 * config/sparc/sparc.c (sparc_elf_asm_named_section): Declare decl
5528 2010-01-29 Richard Guenther <rguenther@suse.de>
5530 * tree-ssa-ccp.c (ccp_fold_stmt): Unshare values we substitute.
5531 Assert we successfully updated the call.
5533 2010-01-29 Jakub Jelinek <jakub@redhat.com>
5535 PR rtl-optimization/42889
5536 * df.h (df_set_bb_dirty_nonlr): New prototype.
5537 * df-core.c (df_set_bb_dirty_nonlr): New function.
5538 * df-scan.c (df_insn_rescan): Call it instead of
5539 df_set_bb_dirty for DEBUG_INSNs.
5541 2010-01-29 Richard Guenther <rguenther@suse.de>
5544 * ipa-inline.c (cgraph_decide_inlining_incrementally): Avoid
5545 quadratic behavior in most cases.
5547 2010-01-28 Uros Bizjak <ubizjak@gmail.com>
5550 * config/i386/i386.c (ix86_expand_int_movcc): Convert tmp to SImode
5551 in the call to gen_x86_movsicc_0_m1.
5553 2010-01-28 Richard Guenther <rguenther@suse.de>
5555 PR tree-optimization/42871
5556 * tree-ssa-pre.c (phi_translate_set): Make sure to retain leaders.
5558 2010-01-28 Richard Guenther <rguenther@suse.de>
5560 * tree-ssa-ccp.c (ccp_fold_stmt): Fold calls and propagate
5561 into call arguments.
5563 2010-01-28 Richard Guenther <rguenther@suse.de>
5566 * tree-cfgcleanup.c (remove_forwarder_block): Do not remove
5567 the forwarder if the destination is an EH landing pad.
5569 2010-01-28 Razya Ladelsky <razya@il.ibm.com>
5571 * tree-parloops.c (transform_to_exit_first_loop): Update the basic
5572 block list passed to gimple_duplicate_sese_tail.
5573 (parallelize_loops): Avoid parallelization when the function
5575 Avoid parallelization when the preheader is IRREDUCIBLE.
5576 Try to optimize when estimated_loop_iterations_int is unresolved.
5577 Add the loop's location to the dump file.
5578 * tree-cfg.c (add_phi_args_after_redirect): Remove.
5579 (gimple_duplicate_sese_tail): Remove the check for the latch.
5580 Redirect nexits to the exit block.
5581 Remove handling of the incoming edges to the latch.
5582 Redirect the backedge from the copied latch to the exit bb.
5584 2010-01-28 Michael Matz <matz@suse.de>
5587 * config/i386/i386.c (ix86_expand_vector_init_duplicate):
5588 Wrap force_reg into a sequence, emit it before user.
5590 2010-01-28 Stephen Thomas <stephen.thomas@arm.com>
5592 * config/arm/arm.md (bswapsi2): Add support for bswapsi2.
5594 (arm_legacy_rev): Likewise.
5595 (thumb_legacy_rev): Likewise.
5597 2010-01-27 Jakub Jelinek <jakub@redhat.com>
5599 * dwarf2out.c (mem_loc_descriptor): Remove special casing of
5600 CONSTANT_POOL_ADDRESS_P SYMBOL_REFs. If for MEM recursive call
5601 on MEM's address failed, try avoid_constant_pool_reference and
5602 recurse if it returned something different.
5603 (loc_descriptor): If for MEM mem_loc_descriptor failed on the
5604 address, try avoid_constant_pool_reference and recurse if it
5605 returned something different.
5606 (dw_loc_list_1): If for MEM mem_loc_descriptor failed on the
5607 address and avoid_constant_pool_reference returned something
5608 different, don't set have_address.
5610 2010-01-27 Alexandre Oliva <aoliva@redhat.com>
5613 * var-tracking.c (val_store): Add modified argument, obey it.
5615 (count_uses): Move down logging of main.
5616 (compute_bb_dataflow): Use val_store for MO_VAL_USEs that
5617 don't need resolution.
5618 (emit_notes_in_bb): Likewise.
5620 2010-01-27 Richard Guenther <rguenther@suse.de>
5623 * tree-inline.c (remap_decl): Delay remapping of SSA name
5624 default definitions until we need them.
5626 2010-01-27 Jakub Jelinek <jakub@redhat.com>
5628 * config/rs6000/rs6000.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine.
5629 (rs6000_delegitimize_address): New function.
5631 * config/s390/s390.c (s390_delegitimize_address): Call
5632 delegitimize_mem_from_attrs.
5635 * tree-inline.c (cannot_copy_type_1): Removed.
5636 (copy_forbidden): Don't forbid copying of functions containing
5637 records/unions with variable length fields.
5639 2010-01-27 Christian Bruel <christian.bruel@st.com>
5643 * config/sh/sh.c (find_barrier): Increase length for non delayed
5644 conditional branches.
5646 2010-01-27 Matthias Klose <doko@ubuntu.com>
5648 * configure.ac (gnu-unique-object): Fix ldd version check.
5649 * configure: Regenerate.
5651 2010-01-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5653 * config/sparc/sparc.c (sparc_elf_asm_named_section): Test for
5655 * config/sparc/sysv4.h [HAVE_GNU_AS] (TARGET_ASM_NAMED_SECTION):
5656 Test for HAVE_GNU_AS value.
5658 2010-01-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5660 * config.gcc (mips-sgi-irix[56]*): Set use_gcc_stdint.
5661 * config/mips/iris.h (INT8_TYPE, INT16_TYPE, INT32_TYPE,
5662 INT64_TYPE): Define.
5663 (UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE): Define.
5664 (INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
5665 INT_LEAST64_TYPE): Define.
5666 (UINT_LEAST8_TYPE, UINT_LEAST16_TYPE, UINT_LEAST32_TYPE,
5667 UINT_LEAST64_TYPE): Define.
5668 (INT_FAST8_TYPE, INT_FAST16_TYPE, INT_FAST32_TYPE)
5669 INT_FAST64_TYPE): Define.
5670 (UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
5671 UINT_FAST64_TYPE): Define.
5672 (INTMAX_TYPE, UINTMAX_TYPE): Define.
5673 (INTPTR_TYPE, UINTPTR_TYPE): Define.
5674 (SIG_ATOMIC_TYPE): Define.
5676 2010-01-26 Richard Guenther <rguenther@suse.de>
5678 * df-scan.c (df_scan_set_bb_info): Remove assert.
5679 (df_insn_rescan_debug_internal): Merge asserts.
5680 (df_install_ref): Likewise.
5681 (df_mark_reg): Use bitmap_set_range.
5682 (df_hard_reg_used_p): Remove assert.
5683 (df_hard_reg_used_count): Likewise.
5685 2010-01-26 Richard Guenther <rguenther@suse.de>
5687 PR rtl-optimization/42685
5688 * web.c (web_main): Ignore DEBUG_INSNs.
5690 2010-01-26 Joern Rennecke <amylaar@spamcop.net>
5692 * doc/tm.texi (TARGET_HANDLE_C_OPTION): Explain arguments.
5694 (TARGET_RESOLVE_OVERLOADED_BUILTIN): Add loc parameter.
5695 Fix types of fndecl and arglist parameters.
5697 2010-01-26 Richard Guenther <rguenther@suse.de>
5700 * tree-eh.c (unsplit_eh): Skip debug insns.
5702 2010-01-26 Richard Guenther <rguenther@suse.de>
5704 PR tree-optimization/42250
5705 * ipa-type-escape.c (type_escape_execute): Do not analyze clones.
5707 2010-01-26 Jakub Jelinek <jakub@redhat.com>
5710 * omp-low.c (expand_omp_sections): Only use single_pred if
5711 l2_bb is single_pred_p.
5713 2010-01-25 Christian Bruel <christian.bruel@st.com>
5716 * config/sh/sh.c (find_barrier): Increase length for non delayed
5717 conditional branches.
5718 (sh_insn_length_adjustment): Use JUMP_TABLE_DATA_P.
5720 2010-01-24 David S. Miller <davem@davemloft.net>
5722 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Only
5723 define if not using GAS.
5724 * config/sparc/sparc.c (sparc_elf_asm_named_section):
5725 Likewise. Delete SECTION_MERGE code, which is only applicable
5728 2010-01-24 Mark Mitchell <mark@codesourcery.com>
5731 * config/arm/arm.c (arm_mangle_type): Do not warn about changes to
5732 mangling of va_list in system headers.
5734 2010-01-23 Toon Moene <toon@moene.org>
5736 * tree-predcom.c (combine_chains): Return NULL, not false.
5738 2010-01-23 Joern Rennecke <amylaar@spamcop.net>
5740 * tree-loop-distribution.c (distribute_loop): Fix declaration and
5741 initialization of variable res to agree with return type.
5743 2010-01-22 Steve Ellcey <sje@cup.hp.com>
5745 * Makefile.in (tree-sra.o): Add $(EXPR_H) dependency.
5746 * tree-sra.c: Add include of expr.h.
5748 2010-01-22 Jakub Jelinek <jakub@redhat.com>
5750 * tree-into-ssa.c (maybe_register_def): If stmt ends the bb,
5751 insert the debug stmt on the single non-EH edge from the stmt.
5753 2010-01-22 Richard Henderson <rth@redhat.com>
5756 * tree-sra.c (sra_modify_assign): Delay re-gimplification of
5757 the RHS until after generate_subtree_copies has insertted its
5758 code before the current statement.
5760 2010-01-22 Joern Rennecke <amylaar@spamcop.net>
5762 * doc/tm.texi (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): Fix return type.
5764 * gcc-plugin.h (plugin_init): Use "C" likage for c++.
5766 2010-01-21 Martin Jambor <mjambor@suse.cz>
5768 PR tree-optimization/42585
5769 * tree-sra.c (struct access): New field grp_total_scalarization.
5770 (dump_access): Dump the new field.
5771 (should_scalarize_away_bitmap): New variable.
5772 (cannot_scalarize_away_bitmap): Likewise.
5773 (sra_initialize): Allocate new bitmaps.
5774 (sra_deinitialize): Free new bitmaps.
5775 (create_access_1): New function.
5776 (create_access): Parts moved to create_access_1.
5777 (type_consists_of_records_p): New function.
5778 (completely_scalarize_record): Likewise.
5779 (build_access_from_expr): Set bit in cannot_scalarize_away_bitmap.
5780 (build_accesses_from_assign): Set bits in should_scalarize_away_bitmap.
5781 (sort_and_splice_var_accesses): Hint groups with a total_scalarization
5783 (analyze_all_variable_accesses): Completely scalarize small eligible
5786 2010-01-21 Martin Jambor <mjambor@suse.cz>
5788 * tree-sra.c (build_ref_for_offset_1): Allow for zero size fields.
5790 2010-01-21 Andrew Haley <aph@redhat.com>
5792 * gcc.c (process_command): Move lang_specific_driver before
5793 setting cc_libexec_prefix.
5795 2010-01-21 Richard Guenther <rguenther@suse.de>
5798 * fold-const.c (negate_expr_p): Pretend only negative
5799 real constants are easily negatable.
5801 2010-01-20 Janis Johnson <janis187@us.ibm.com>
5802 Jason Merrill <jason@redhat.com>
5804 * tree.h (TYPE_TRANSPARENT_UNION): Replace with ...
5805 (TYPE_TRANSPARENT_AGGR): this, for union and record.
5806 * calls.c (initialize argument_information): Handle it.
5807 * c-common.c (handle_transparent_union_attribute): Use new name.
5808 * c-decl.c (finish_struct): Ditto.
5809 * c-typeck.c (type_lists_compatible_p): Ditto.
5810 (convert_for_assignment): Use new name and also handle record.
5811 * function.c (aggregate_value_p): Handle it.
5812 (pass_by_reference): Ditto.
5813 (assign_parm_data_types): Ditto.
5814 * print-tree.c (print_node): Ditto.
5815 * lto-streamer-in.c (unpack_ts_type_value_fields): Ditto.
5816 * lto-streamer-out.c (pack_ts_type_value_fields): Ditto.
5817 * tree.c (first_field): New fn.
5819 2010-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
5822 * config/i386/cygwin.h (CXX_WRAP_SPEC_LIST): Always apply wrappers,
5823 even when linking statically, for now.
5825 2010-01-20 Alexandre Oliva <aoliva@redhat.com>
5828 * var-tracking.c (use_type): Choose MO_VAL_SET for REGs set
5829 without a cselib val.
5830 (count_uses): Accept MO_VAL_SET with no val on stores.
5831 (add_stores): Likewise.
5833 2010-01-20 Jakub Jelinek <jakub@redhat.com>
5835 * var-tracking.c (check_value_val): Add a compile time assertion.
5836 (dv_is_decl_p): Simplify.
5837 (dv_as_decl, dv_as_value, dv_from_decl, dv_from_value): Only use
5838 gcc_assert if ENABLE_CHECKING.
5840 2010-01-20 Alexandre Oliva <aoliva@redhat.com>
5843 * var-tracking.c: Include tree-flow.h.
5844 (mem_dies_at_call): New.
5845 (dataflow_set_preserve_mem_locs): Use it.
5846 (dataflow_set_remove_mem_locs): Likewise.
5847 (dump_var): Renamed from dump_variable. Adjust all callers.
5848 (dump_var_slot): Renamed from dump_variable_slot. Likewise.
5849 * Makefile.in (var-tracking.o): Adjust deps.
5851 2010-01-20 Joern Rennecke <amylaar@spamcop.net>
5853 * doc/tm.texi (TARGET_SCHED_SET_SCHED_FLAGS): Fix argument list.
5855 2010-01-20 Richard Guenther <rguenther@suse.de>
5857 PR tree-optimization/42717
5858 * tree-ssa-dce.c (get_live_post_dom): Remove.
5859 (forward_edge_to_pdom): Take an arbitrary edge to copy
5860 degenerate PHI args from.
5861 (remove_dead_stmt): Use the first post-dominator even if it
5862 does not contain live statements as redirection destination.
5864 2010-01-20 Richard Guenther <rguenther@suse.de>
5866 * tree-inline.c (estimate_num_insns): Handle EH builtins.
5868 2010-01-20 Jakub Jelinek <jakub@redhat.com>
5870 * sel-sched.c (create_speculation_check): Remove set but not used
5872 (try_transformation_cache): Remove set but not used variable ds.
5873 (calculate_privileged_insns): Remove set but not used variables
5874 cur_insn and min_spec_insn.
5875 (find_best_expr): Remove set but not used variable avail_n.
5876 * tree-predcom.c (base_names_in_chain_on): Remove set but not used
5878 * cgraphunit.c (assemble_thunk): Remove set but not used variable
5880 * haifa-sched.c (remove_notes): Remove set but not used variable prev.
5881 * graphite-clast-to-gimple.c (gloog): Remove set but not used variable
5884 2010-01-20 Felyza Wishbringer <fwishbringer@gmail.com>
5887 * config.gcc (i[34567]86-*-*): Fix handling of athlon64 and athlon-fx
5888 cpu types. Add support for *-sse3 cpu types.
5889 (x86_64-*-*): Ditto.
5891 2010-01-20 Jakub Jelinek <jakub@redhat.com>
5894 * varasm.c (narrowing_initializer_constant_valid_p): Add CACHE
5895 argument, call initializer_constant_valid_p_1 instead of
5896 initializer_constant_valid_p, pass CACHE to it, return NULL
5897 immediately if first call returns NULL.
5898 (initializer_constant_valid_p_1): New function.
5899 (initializer_constant_valid_p): Use it.
5901 2010-01-20 Thomas Quinot <quinot@adacore.com>
5903 * tree.def (PLACEHOLDER_EXPR): Fix comment.
5905 2010-01-20 Jakub Jelinek <jakub@redhat.com>
5907 * dwarf2out.c (mem_loc_descriptor): Use DW_OP_mod for UMOD instead
5908 of MOD, handle MOD using DW_OP_{over,over,div,mul,minus}.
5909 (loc_list_from_tree): Don't handle unsigned division. Handle
5910 signed modulo using DW_OP_{over,over,div,mul,minus}.
5911 * unwind-dw2.c (execute_stack_op): Handle DW_OP_mod using unsigned
5912 modulo instead of signed.
5914 2010-01-20 DJ Delorie <dj@redhat.com>
5916 * config/h8300/h8300.c (F): Add "in_epilogue" flag.
5918 (h8300_emit_stack_adjustment): Propogate it.
5920 (h8300_expand_prologue): Likewise.
5921 (h8300_expand_epilogue): Likewise.
5923 2010-01-19 Michael Matz <matz@suse.de>
5925 PR tree-optimization/41783
5926 * tree-data-ref.c (toplevel): Include flags.h.
5927 (dump_data_dependence_relation): Also dump the inputs if the
5928 result will be unknown.
5929 (split_constant_offset_1): Look through some conversions.
5930 * tree-predcom.c (determine_roots_comp): Restart a new chain if
5931 the offset from last element is too large.
5932 (ref_at_iteration): Deal also with MISALIGNED_INDIRECT_REF.
5933 (reassociate_to_the_same_stmt): Handle vector registers.
5934 * tree-vect-data-refs.c (vect_equal_offsets): Handle unary operations
5936 * tree-vect-loop-manip.c (vect_gen_niters_for_prolog_loop): Add
5937 wide_prolog_niters argument, emit widening instructions.
5938 (vect_do_peeling_for_alignment): Adjust caller, use widened
5939 variant of the iteration cound.
5940 * Makefile.in (tree-data-ref.o): Add $(FLAGS_H).
5942 2010-01-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
5945 * config/arm/neon-testgen.m (emit_automatics): New parameter
5946 features. Adjust for Fixed_return_reg feature.
5947 (test_intrinsic): Call emit_automatics with new feature.
5948 * config/arm/neon.ml: Update copyright years.
5949 (features): New Fixed_return_reg feature.
5950 (ops): Update feature for Vget_low.
5952 2010-01-19 Jakub Jelinek <jakub@redhat.com>
5954 PR tree-optimization/42719
5955 * tree-outof-ssa.c (trivially_conflicts_p): Don't consider debug
5959 * fwprop.c (all_uses_available_at): Return false if def_set dest
5960 is a REG that is used in def_insn.
5962 2010-01-19 Joern Rennecke <amylaar@spamcop.net>
5964 * doc/tm.texi (TARGET_FIXED_CONDITION_CODE_REGS): Add argument names.
5966 (TARGET_CC_MODES_COMPATIBLE): Put return value in braces.
5969 (TARGET_SCHED_INIT_SCHED_CONTEXT): Clarify language.
5971 * target.h (struct gcc_target) <secondary_reload>: Change type
5972 of last argument to secondary_reload_info *.
5974 2010-01-18 Uros Bizjak <ubizjak@gmail.com>
5977 * config/alpha/predicates.md (aligned_memory_operand): Return 0 for
5978 memory references with unaligned offsets. Remove CQImode handling.
5979 (unaligned_memory_operand): Return 1 for memory references with
5980 unaligned offsets. Remove CQImode handling.
5982 2010-01-18 Richard Guenther <rguenther@suse.de>
5985 * cfgexpand.c (expand_call_stmt): TER pointer arguments in
5988 2010-01-18 Richard Guenther <rguenther@suse.de>
5990 PR tree-optimization/42781
5991 * tree-ssa-structalias.c (find_what_var_points_to): Skip
5992 restrict processing only if the original variable was artificial.
5994 2010-01-18 Joern Rennecke <amylaar@spamcop.net>
5996 * doc/tm.texi (TARGET_ASM_FUNCTION_EPILOGUE): Update text on where to
5997 find number of popped argument bytes.
5999 (TARGET_INVALID_WITHIN_DOLOOP): Put return value in braces.
6000 Fix the text that describes the return value for invalid insns.
6002 (TARGET_SCHED_NEEDS_BLOCK_P): Fix return type. Fix argument list.
6004 (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Fix argument types.
6005 Clarify what 'cost of the -dependence' is. Fix quoting.
6007 * toplev.c (default_get_pch_validity): Rename argument to "sz".
6008 * doc/tm.texi (TARGET_GET_PCH_VALIDITY): Likewise.
6010 2010-01-17 Jakub Jelinek <jakub@redhat.com>
6012 * dwarf2out.c (mem_loc_descriptor): Don't ICE on
6013 {S,U}S_{PLUS,MINUS,NEG,ABS,ASHIFT}.
6015 2010-01-17 Richard Guenther <rguenther@suse.de>
6018 * function.c (split_complex_args): Take a VEC to modify.
6019 (assign_parms_augmented_arg_list): Build a VEC instead of
6020 a chain of PARM_DECLs.
6021 (assign_parms_unsplit_complex): Take a VEC of arguments.
6022 Do not fixup unmodified parms.
6023 (assign_parms): Deal with the VEC.
6024 (gimplify_parameters): Likewise.
6026 2010-01-17 Richard Guenther <rguenther@suse.de>
6028 * tree-ssa-uncprop.c (uncprop_into_successor_phis): Fix PHI
6029 node existence check.
6030 * tree-vect-loop.c (vect_analyze_loop_form): Likewise.
6031 * tree-cfgcleanup.c (merge_phi_nodes): Likewise.
6032 * tree-ssa-dce.c (forward_edge_to_pdom): Likewise.
6033 * tree-cfg.c (gimple_execute_on_growing_pred): Likewise.
6034 (gimple_execute_on_growing_pred): Likewise.
6036 2010-01-17 Richard Guenther <rguenther@suse.de>
6038 PR tree-optimization/42773
6039 * tree-ssa-pre.c (phi_translate_set): Fix check for PHI node existence.
6040 (compute_antic_aux): Likewise.
6041 (compute_partial_antic_aux): Likewise.
6043 2010-01-17 Jie Zhang <jie.zhang@analog.com>
6046 * dwarf2out.c (mem_loc_descriptor): Handle SS_TRUNCATE
6049 2010-01-17 Joern Rennecke <amylaar@spamcop.net>
6051 * doc/tm.texi (TARGET_INIT_LIBFUNCS): Put @findex entries in order of
6054 (TARGET_LEGITIMATE_ADDRESS_P): Add return type.
6055 Fix markup for strict argument.
6057 (TARGET_SCHED_REORDER2): Fix argument types.
6059 (TARGET_SCHED_DFA_PRE_CYCLE_INSN): Fix return type.
6060 (TARGET_SCHED_DFA_POST_CYCLE_INSN): Likewise.
6062 (TARGET_SCHED_DFA_PRE_ADVANCE_CYCLE): Fix name.
6063 (TARGET_SCHED_DFA_POST_ADVANCE_CYCLE): Likewise.
6065 (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD):
6068 (TARGET_SCHED_ALLOC_SCHED_CONTEXT): Remove duplicate documentation.
6069 (TARGET_SCHED_INIT_SCHED_CONTEXT): Likewise.
6070 (TARGET_SCHED_SET_SCHED_CONTEXT): Likewise.
6071 (TARGET_SCHED_CLEAR_SCHED_CONTEXT): Likewise.
6072 (TARGET_SCHED_FREE_SCHED_CONTEXT): Likewise.
6074 (TARGET_SCHED_SET_SCHED_CONTEXT): Fix typo.
6076 (TARGET_SCHED_GEN_SPEC_CHECK): Fix name.
6078 (TARGET_ASM_RELOC_RW_MASK): Add return type.
6079 (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Fix return type.
6081 (TARGET_STRIP_NAME_ENCODING): Fix markup of return type and parameter.
6083 (TARGET_ASM_FILE_START): Put @findex before paragraph start.
6086 (TARGET_ASM_NAMED_SECTION): Fix argument list.
6088 (TARGET_HAVE_NAMED_SECTIONS): Use @deftypevr.
6089 (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Likewise.
6091 (TARGET_ASM_RECORD_GCC_SWITCHES_SECTION): Use @deftypevr.
6093 (TARGET_ASM_ASSEMBLE_VISIBILITY): Fix argument types.
6095 (TARGET_ASM_MARK_DECL_PRESERVED): Fix argument and markup
6096 referring to it. Fix language.
6098 (TARGET_HAVE_CTORS_DTORS): Use @deftypevr.
6100 (TARGET_ASM_FINAL_POSTSCAN_INSN): Adjust name of first argument.
6102 (TARGET_ASM_EMIT_UNWIND_LABEL): Add argument types.
6104 (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Add type to argument.
6106 (TARGET_UNWIND_EMIT): Remove space between 'FILE *' and
6107 '@var{stream}. Remove stray 'and'.
6109 (TARGET_ARM_EABI_UNWINDER): Use @deftypevr.
6111 (TARGET_ASM_OUTPUT_DWARF_DTPREL): Adjust name of first argument.
6113 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Add missing article.
6115 (TARGET_OPTION_VALID_ATTRIBUTE_P): Fix name, it was
6116 misspelled as TARGET_VALID_OPTION_ATTRIBUTE_P.
6118 (TARGET_GET_PCH_VALIDITY): Put 'void *' in braces.
6119 Fix description of return value.
6120 Rename argument "sz" to "len."
6122 (TARGET_CXX_GUARD_MASK_BIT): Add missing article.
6123 Clarify meaning of 'true' return value.
6125 (TARGET_SHIFT_TRUNCATION_MASK): Fix return type.
6127 (TARGET_MODE_REP_EXTENDED): Fix two inconsisent uses of
6128 rep_mode versus mode_rep.
6130 (TARGET_HANDLE_PRAGMA_EXTERN_PREFIX): Document.
6132 (TARGET_BUILTIN_DECL): Fix name.
6134 (TARGET_COMMUTATIVE_P): Fix type of first argument.
6136 (TARGET_SET_CURRENT_FUNCTION): Mention possibility of cfun being NULL.
6138 (TARGET_BRANCH_TARGET_REGISTER_CLASS): Fix return type.
6140 (TARGET_USE_LOCAL_THUNK_ALIAS_P): Document as macro instead of hook.
6142 (TARGET_RELAXED_ORDERING): Use @deftypevr.
6144 (TARGET_GET_DRAP_RTX): Note that this is a hook.
6147 (TARGET_BUILTIN_RECIPROCAL): Fix argument types.
6148 Rename argument tm_fn to md_fn.
6150 (TARGET_OPTION_PRINT): Fix argument list.
6152 2010-01-16 Harsha Jagasia <harsha.jagasia@amd.com>
6155 * config/i386/i386.c (ix86_fixup_binary_operands):
6156 Revert FMA4 fixup of operands.
6158 2010-01-16 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
6161 * Makefile.in (write_entries_to_file, install-plugin):
6162 Use \012 instead of \n with tr.
6164 2010-01-16 Richard Sandiford <r.sandiford@uk.ibm.com>
6166 * configure.ac (HAVE_AS_REF): New C macro.
6167 * configure: Regenerate.
6168 * config.in: Likewise.
6169 * collect2.c (main): Only postpone SCAN_DWEH to the second pass
6171 * config/rs6000/aix.h (ASM_OUTPUT_DWARF_TABLE_REF): Only define
6174 2010-01-16 Joern Rennecke <amylaar@spamcop.net>
6176 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Fix argument types.
6178 (TARGET_SUPPORT_VECTOR_MISALIGNMENT): Fix argument types.
6180 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Fix argument types.
6182 (TARGET_SCHED_ALLOC_SCHED_CONTEXT): Put 'void *' in braces.
6184 (TARGET_IN_SMALL_DATA_P): Fix argument type.
6186 (TARGET_BINDS_LOCAL_P): Fix argument type.
6188 (TARGET_ASM_FILE_END): Use prototype.
6190 (TARGET_ASM_RECORD_GCC_SWITCHES): Don't put 'int' in braces.
6192 (TARGET_DWARF_CALLING_CONVENTION): Fix argument type.
6194 (TARGET_COMP_TYPE_ATTRIBUTES): Fix argument types.
6196 (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Fix argument type.
6198 (TARGET_EMUTLS_VAR_ALIGN_FIXED): Don't put 'bool' in braces.
6199 (TARGET_EMUTLS_DEBUG_FORM_TLS_ADDRESS): Likewise.
6201 (TARGET_PCH_VALID_P): Put 'const char *' in braces.
6202 (TARGET_CHECK_PCH_TARGET_FLAGS): Likewise.
6204 (TARGET_ADDR_SPACE_LEGITIMATE_ADDRESS_P): Don't put 'bool' in braces.
6205 (TARGET_ADDR_SPACE_SUBSET_P): Likewise.
6206 (TARGET_ADDR_SPACE_LEGITIMIZE_ADDRESS): Don't put 'rtx' in braces.
6207 (TARGET_ADDR_SPACE_CONVERT): Likewise.
6209 (TARGET_CASE_VALUES_THRESHOLD): Put 'unsigned int' in braces.
6211 (TARGET_MACHINE_DEPENDENT_REORG: Use prototype.
6213 (TARGET_INIT_BUILTINS): Use prototype.
6215 (TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN):
6216 Put 'const char *' in braces. Fix parameter types.
6217 (TARGET_INVALID_CONVERSION): Fix parameter types.
6218 (TARGET_INVALID_UNARY_OP, TARGET_INVALID_BINARY_OP): Likewise.
6219 (TARGET_INVALID_PARAMETER_TYPE, TARGET_INVALID_RETURN_TYPE): Likewise.
6221 (TARGET_PROMOTED_TYPE): Remove braces around 'tree'.
6224 (TARGET_CONVERT_TO_TYPE): Remove braces around 'tree'.
6226 (TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS): Remove braces around 'bool'.
6228 2010-01-15 Joern Rennecke <amylaar@spamcop.net>
6230 * doc/tm.texi (TARGET_HELP): Fix return type.
6232 (TARGET_PROMOTE_FUNCTION_MODE): Put 'enum machine_mode'
6233 in braces. Fix argument types.
6235 (TARGET_LIBGCC_CMP_RETURN_MODE): Use prototype.
6237 (TARGET_LIBGCC_SHIFT_COUNT_MODE): Use prototype.
6239 (TARGET_MS_BITFIELD_LAYOUT_P): Fix argument type.
6241 (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Don't put 'bool' in braces.
6242 (TARGET_FIXED_POINT_SUPPORTED_P): Likewise.
6244 (TARGET_MANGLE_TYPE): Fix argument types.
6246 (TARGET_IRA_COVER_CLASSES): Use prototype.
6248 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Fix return type. Use prototype.
6250 (TARGET_CAN_ELIMINATE): Use identifiers for argument names.
6252 (TARGET_PROMOTE_PROTOTYPES): Fix argument type.
6254 (TARGET_MUST_PASS_IN_STACK): Fix argument type.
6256 (TARGET_CALLEE_COPIES): Fix argument types.
6258 (TARGET_SPLIT_COMPLEX_ARG): Fix argument type.
6260 (TARGET_GIMPLIFY_VA_ARG_EXPR): Fix argument types.
6262 (TARGET_FUNCTION_VALUE): Fix argument types.
6264 (TARGET_RETURN_IN_MSB): Fix argument type.
6266 (TARGET_RETURN_IN_MEMORY): Fix argument types.
6268 (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Fix argument types.
6270 (TARGET_EXTRA_LIVE_ON_ENTRY): Fix argument type.
6272 (TARGET_STRICT_ARGUMENT_NAMING): Make literal in text
6273 agree with return type.
6275 (TARGET_PRETEND_OUTGOING_VARARGS_NAMED): Add Prototype.
6277 2010-01-15 Jing Yu <jingyu@google.com>
6279 PR rtl-optimization/42691
6280 * combine.c (try_combine): Set changed_i3_dest to 1 when I2 and I3 set
6281 a pseudo to a constant and are merged, and adjust comments.
6283 2010-01-15 Eric Botcazou <ebotcazou@adacore.com>
6285 * config/i386/sse.md (avx_vperm2f128<mode>3): Fix typo.
6287 2010-01-15 Richard Guenther <rguenther@suse.de>
6290 * tree-cfgcleanup.c (remove_forwarder_block): Move destination
6291 labels of computed or non-local gotos to the destination.
6292 * tree-cfg.c (gimple_verify_flow_info): Verify that a EH
6293 landing pad label is the first label.
6295 2010-01-15 Richard Guenther <rguenther@suse.de>
6297 * tree-ssa-loop-im.c (gen_lsm_tmp_name): Fix bogus fallthru.
6299 2010-01-14 Michael Meissner <meissner@linux.vnet.ibm.com>
6302 * config/rs6000/rs6000.md (sqrtdf2): Split into expander and insn
6303 to allow generation of the xssqrtdp instruction on power7.
6304 (sqrtdf2_fpr): Ditto.
6306 2010-01-14 Jakub Jelinek <jakub@redhat.com>
6309 * c-decl.c (finish_function): Don't emit -Wreturn-type warnings in
6310 functions with noreturn attribute.
6313 * varasm.c (declare_weak): Add weak attribute to decl if it
6314 doesn't have one already.
6315 (assemble_external): Only add decls to weak_decls if they also
6316 have weak attribute.
6318 2010-01-14 Alexandre Oliva <aoliva@redhat.com>
6320 * var-tracking.c (var_reg_delete): Don't delete the association
6321 between REGs and values or one-part variables if the register
6324 2010-01-14 Jakub Jelinek <jakub@redhat.com>
6327 * tree-inline.c (copy_debug_stmt): Don't reset debug stmt just
6328 because its first operand is a non-localized variable.
6330 2010-01-14 Martin Jambor <mjambor@suse.cz>
6332 PR tree-optimization/42706
6333 * tree-sra.c (encountered_recursive_call): New variable.
6334 (encountered_unchangable_recursive_call): Likewise.
6335 (sra_initialize): Initialize both new variables.
6336 (callsite_has_enough_arguments_p): New function.
6337 (scan_function): Call decl and flags check only for IPA-SRA, check
6338 whether there is a recursive call and whether it has enough arguments.
6339 (all_callers_have_enough_arguments_p): New function.
6340 (convert_callers): Look for recursive calls only when
6341 encountered_recursive_call is set.
6342 (ipa_early_sra): Bail out either if
6343 !all_callers_have_enough_arguments_p or
6344 encountered_unchangable_recursive_call.
6346 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
6348 * sel-sched.c: Add 2010 to copyright years.
6349 * sel-sched-ir.c: Likewise.
6350 * sel-sched-ir.h: Likewise.
6352 2010-01-14 Martin Jambor <mjambor@suse.cz>
6354 PR tree-optimization/42714
6355 * tree-sra.c (sra_ipa_modify_assign): Handle incompatible-type
6356 constructors specially.
6358 2010-01-14 Andi Kleen <ak@linux.intel.com>
6360 * config/i386/drivers-i386.c (detect_caches_intel):
6361 Add l2sizekb parameter and fill in.
6362 (host_detect_local_cpu): Add l2sizekb, fill in.
6363 Add Atom small cache heuristic.
6365 2010-01-14 Andi Kleen <ak@linux.intel.com>
6367 * config/i386/drivers-i386.c (detect_caches_cpuid4):
6368 Add level3 parameter and fill in.
6369 (detect_caches_intel): Handle level3 cache.
6371 2010-01-14 Andi Kleen <ak@linux.intel.com>
6373 * config/i386/drivers-i386.c (host_detect_local_cpu):
6374 Fix core duo detection.
6376 2010-01-14 Andi Kleen <ak@linux.intel.com>
6378 * config/i386/drivers-i386.c (host_detect_local_cpu):
6381 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
6383 * config/rs6000/rs6000.c (rs6000_variable_issue): Rename to...
6384 (rs6000_variable_issue_1): this. Use...
6385 (rs6000_variable_issue): here. Reimplement. Print debug info.
6387 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
6389 * sel-sched-ir.c (sel_restore_other_notes): Rename to
6390 sel_restore_notes. Update all callers. Call reemit_notes
6393 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
6395 PR rtl-optimization/42246
6396 * sel-sched-ir.h (get_all_loop_exits): Include exits from inner
6399 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
6401 * sel-sched.c (compute_av_set_at_bb_end): Do not test that number of
6402 all successors is the same as number of successors in current region.
6404 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
6406 * sel-sched.c (maybe_emit_renaming_copy): Exit early when expression
6407 to rename is not separable. Otherwise check that its LHS is not NULL.
6409 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
6411 * sel-sched.c (choose_best_reg_1): Loop over all regs for mode.
6413 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
6415 * sel-sched.c (mark_unavailable_hard_regs): Do not try to search
6416 available registers when failed to discover LHS register class.
6417 Fix indentation. Update comment.
6419 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
6420 Alexander Monakov <amonakov@ispras.ru>
6422 PR rtl-optimization/42389
6423 * sel-sched.c (advance_one_cycle): Set FENCE_ISSUE_MORE
6425 (advance_state_on_fence): Likewise.
6426 (sel_target_adjust_priority): Print debug output only when
6427 sched_verbose >= 4, not 2.
6428 (get_expr_cost): Do not issue all unique insns on the next cycle.
6429 (fill_insns): Initialize can_issue_more from the value saved
6431 * sel-sched-ir.c (flist_add): New parameter issue_more.
6432 Init FENCE_ISSUE_MORE with it.
6433 (merge_fences): Likewise.
6434 (init_fences): Update call to flist_add.
6435 (add_to_fences, add_clean_fence_to_fences)
6436 (add_dirty_fence_to_fences): Likewise.
6437 (move_fence_to_fences): Update call to merge_fences.
6438 (invoke_reorder_hooks): Do not reset can_issue_more on insns from
6440 * sel-sched-ir.h (struct _fence): New field issue_more.
6441 (FENCE_ISSUE_MORE): New accessor macro.
6443 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
6445 PR rtl-optimization/42388
6446 * sel-sched-ir.c (maybe_tidy_empty_bb): Do not delete empty blocks
6447 that have no predecessors nor successors. Do not call move_bb_info
6448 for empty blocks outside of current region.
6450 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
6452 PR rtl-optimization/42294
6453 * sel-sched-ir.h (struct _sel_insn_data): Update comment.
6454 * sel-sched.c (move_exprs_to_boundary): Transitively add all
6455 originators' originators.
6457 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
6459 PR rtl-optimization/39453
6460 PR rtl-optimization/42246
6461 * sel-sched-ir.c (considered_for_pipelining_p): Do not test
6463 (sel_add_loop_preheaders): Add preheader to last_added_blocks.
6465 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
6466 Alexander Monakov <amonakov@ispras.ru>
6469 * sel-sched-ir.c (sel_recompute_toporder): New. Use it...
6470 (maybe_tidy_empty_bb): ... here. Make static. Add new
6471 argument. Update all callers.
6472 (tidy_control_flow): ... and here. Recompute topological order
6473 of basic blocks in region if necessary.
6474 (sel_redirect_edge_and_branch): Change return type. Return true
6475 if topological order might have been invalidated.
6476 (purge_empty_blocks): Export and move from...
6477 * sel-sched.c (purge_empty_blocks): ... here.
6478 * sel-sched-ir.h (sel_redirect_edge_and_branch): Update prototype.
6479 (maybe_tidy_empty_bb): Delete prototype.
6480 (purge_empty_blocks): Declare.
6482 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
6484 PR rtl-optimization/42249
6485 * sel-sched.c (try_replace_dest_reg): When chosen register
6486 and original register is the same, do not bail out early, but
6487 still check all original insns for validity of replacing destination
6488 register. Set EXPR_TARGET_AVAILABLE to 1 before leaving function
6491 2010-01-14 Jakub Jelinek <jakub@redhat.com>
6494 Port from no-undefined-overflow branch:
6495 2009-03-09 Richard Guenther <rguenther@suse.de>
6497 * fold-const.c (add_double_with_sign): Fix unsigned overflow detection.
6499 2010-01-14 Richard Guenther <rguenther@suse.de>
6502 * gimple.c (iterative_hash_gimple_type): Avoid hashing error_mark_node.
6504 2010-01-14 Ira Rosen <irar@il.ibm.com>
6506 PR tree-optimization/42709
6507 * tree-vect-slp.c (vect_get_constant_vectors): Use constant's type
6508 as scalar type in creation of constant vector operand.
6510 2010-01-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
6513 * Makefile.in ($(TESTSUITEDIR)/site.exp, check-%)
6514 (check-parallel-%): Match `testsuite' directory component only
6517 2010-01-14 Shujing Zhao <pearly.zhao@oracle.com>
6519 PR translation/39521
6520 * gcc.c (do_spec_1): Wrapped the error and notice messages of specs
6523 2010-01-13 Richard Guenther <rguenther@suse.de>
6525 PR tree-optimization/42730
6526 * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Add shortcut for
6529 2010-01-13 Steve Ellcey <sje@cup.hp.com>
6532 * config/ia64/ia64.c (ia64_expand_vecint_compare): Convert GTU to GT
6533 for V2SI by subtracting (-(INT MAX) - 1) from both operands to make
6536 2010-01-13 Bernd Schmidt <bernd.schmidt@analog.com>
6538 * config/bfin/libgcc-bfin.ver: Regenerate based on current
6539 libgcc-std.ver. Add entries for ___smulsi3_highpart and
6540 ___umulsi3_highpart.
6542 * config/bfin/bfin.c (bfin_reorg): Call run_selective_scheduling
6543 rather than schedule_insns if the pass is enabled.
6545 2010-01-13 Martin Jambor <mjambor@suse.cz>
6547 PR tree-optimization/42704
6548 * tree-sra.c (sra_modify_assign): Do not delete assignments to
6551 2010-01-13 Martin Jambor <mjambor@suse.cz>
6553 PR tree-optimization/42703
6554 * tree-sra.c (analyze_access_subtree): Check that we can build a
6555 reference to the original data within the aggregate.
6557 2010-01-13 Richard Guenther <rguenther@suse.de>
6559 PR tree-optimization/42705
6560 * tree-ssa-reassoc.c (build_and_add_sum): Insert stmts after labels.
6562 2010-01-13 Richard Guenther <rguenther@suse.de>
6565 * fold-const.c (fold_unary_loc): Fold INDIRECT_REFs.
6567 2010-01-13 Jakub Jelinek <jakub@redhat.com>
6570 * var-tracking.c (values_to_unmark): New variable.
6571 (find_loc_in_1pdv): Clear VALUE_RECURSED_INTO of values in
6572 values_to_unmark vector. Moved body to...
6573 (find_loc_in_1pdv_1): ... this. Don't clear VALUE_RECURSED_INTO,
6574 instead queue it into values_to_unmark vector.
6575 (vt_find_locations): Free values_to_unmark vector.
6577 2010-01-13 Wolfgang Gellerich <gellerich@de.ibm.com>
6579 * config/s390/s390.c (override_options): Set
6580 default of max-pending-list-length to 256
6582 2010-01-13 Richard Guenther <rguenther@suse.de>
6585 * tree-pass.h (PROP_gimple_lcx): New.
6586 * cfgexpand.c (pass_expand): Require PROP_gimple_lcx.
6587 * passes.c (init_optimization_passes): Move pass_lower_complex_O0
6588 before the final cleanup_eh.
6589 (dump_properties): Dump PROP_gimple_lcx.
6590 * tree-complex.c (pass_lower_complex): Provide PROP_gimple_lcx.
6591 (tree_lower_complex_O0): Remove.
6592 (gate_no_optimization): Run if PROP_gimple_lcx is not set.
6593 (pass_lower_complex_O0): Provide PROP_gimple_lcx. Run
6594 tree_lower_complex, schedule TODO_update_ssa.
6595 * lto-streamer-out.c (output_function): Stream the functions
6597 * lto-streamer-in.c (input_function): Likewise.
6598 (lto_read_body): Do not override them here.
6600 2010-01-12 Joseph Myers <joseph@codesourcery.com>
6603 * c-typeck.c (build_c_cast): Fold value cast to union type before
6604 wrapping it in a CONSTRUCTOR.
6606 2010-01-12 Jakub Jelinek <jakub@redhat.com>
6608 PR rtl-optimization/42699
6609 * cse.c (cse_insn): Optimize lhs ZERO_EXTRACT if only CONST_INTs are
6612 2010-01-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6614 * config/mips/iris6.h (SUBTARGET_DONT_WARN_UNUSED_SPEC,
6615 SUBTARGET_WARN_UNUSED_SPEC): Move ...
6616 config/mips/iris.h (SUBTARGET_DONT_WARN_UNUSED_SPEC,
6617 SUBTARGET_WARN_UNUSED_SPEC): ... here
6618 * config/mips/iris5.h (LIBGCC_SPEC): Define.
6620 2010-01-12 Julian Brown <julian@codesourcery.com>
6622 * config/arm/neon-schedgen.ml (Utils): Don't try to
6623 open missing module.
6624 (find_with_result): New.
6626 2010-01-12 Jakub Jelinek <jakub@redhat.com>
6629 * simplify-rtx.c (simplify_relational_operation_1): Avoid invalid rtx
6630 sharing when canonicalizing ({lt,ge}u (plus a b) b).
6632 PR tree-optimization/42645
6633 * tree-inline.c (processing_debug_stmt): Move earlier. Make static.
6634 (remap_ssa_name): If processing_debug_stmt and name wasn't found in
6635 decl_map, set processing_debug_stmt to -1 and return name without
6638 2010-01-11 Dave Korn <dave.korn.cygwin@gmail.com>
6640 * doc/install.texi (Specific#x-x-cygwin): Document minimum required
6641 binutils version, and reword target configuration description.
6643 2010-01-11 Andy Hutchinson <hutchinsonandy@gcc.gnu.org>
6645 * config/avr/avr.h (LINKER_NAME): Remove.
6647 2010-01-11 Janis Johnson <janis187@us.ibm.com>
6650 * config/rs6000/rs6000.c (rs6000_override_options): On targets
6651 that support VSX, warn for -mno-altivec if vsx is not disabled,
6654 2010-01-11 Joseph Myers <joseph@codesourcery.com>
6655 Shujing Zhao <pearly.zhao@oracle.com>
6657 PR translation/42469
6658 * common.opt (Wframe-larger-than=, fcompare-debug=, fdbg-cnt=,
6659 fira-verbose=, flto-compression-level=, fplugin-arg-): Use tab
6660 character between option name and help text.
6661 * c.opt (imultilib): Likewise.
6663 2010-01-10 Rafael Avila de Espindola <espindola@google.com>
6665 * lto-streamer-out.c (output_unreferenced_globals): Output static
6668 2010-01-10 Steven Bosscher <steven@gcc.gnu.org>
6670 PR rtl-optimization/42621
6671 * bb-reorder.c (gate_duplicated_computed_gotos): Only run if not
6672 optimizing for size.
6673 (duplicate_computed_gotos): Remove now-redundant check.
6675 2010-01-10 Steve Ellcey <sje@cup.hp.com>
6678 * configure.ac: Save and restore LDFLAGS and LIBS
6679 * configure: Regenerate.
6681 2010-01-10 Richard Guenther <rguenther@suse.de>
6684 * builtins.c (fold_builtin_strlen): Add type argument and
6685 convert the resulting length to it.
6686 (fold_builtin_1): Adjust.
6688 2010-01-09 Jakub Jelinek <jakub@redhat.com>
6690 * config/rs6000/rs6000.c (rs6000_emit_set_long_const): Shorten
6691 sequence for DImode constants >= 0x80000000UL <= 0xFFFFFFFFUL by
6693 (num_insns_constant_wide): Adjust for that change.
6695 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
6698 * web.c (union_defs): Add used argument, to combine uses of
6700 (entry_register): Adjust type and tests of used argument.
6701 (web_main): Widen used for new use. Pass it to union_defs.
6702 * df.h (union_defs): Adjust prototype.
6704 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
6707 * loop-unroll.c (referenced_in_one_insn_in_loop_p): Count debug
6708 uses in new incoming argument. Free body.
6709 (reset_debug_uses_in_loop): New.
6710 (analyze_insn_to_expand_var): Call the latter if the former found
6711 anything. Fix whitespace. Reject invalid dest overlaps before
6712 going through all insns in the loop.
6714 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
6717 * haifa-sched.c (dying_use_p): Debug insns don't count.
6719 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
6722 * gimplify.c (gimplify_modify_expr): Drop lhs on noreturn calls.
6723 * tree-cfg.c (is_ctrl_altering_stmt): Don't compute flags twice.
6724 (verify_gimple_call): Reject LHS in noreturn calls.
6726 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
6730 * tree-vect-loop-manip.c (adjust_info): New type.
6731 (adjust_vec): New pointer to vector.
6732 (adjust_debug_stmts_now, adjust_vec_debug_stmts): New.
6733 (adjust_debug_stmts, adjust_phi_and_debug_stmts): New.
6734 (slpeel_update_phis_for_duplicate_loop): Use them.
6735 (slpeel_update_phi_nodes_for_guard1): Likewise.
6736 (slpeel_update_phi_nodes_for_guard2): Likewise.
6737 (slpeel_tree_peel_loop_to_edge): Likewise.
6738 (vect_update_ivs_after_vectorizer): Likewise.
6740 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
6742 * vec.h (DEF_VEC_ALLOC_FUNC_O_STACK): Drop excess paren.
6743 (DEF_VEC_ALLOC_FUNC_I_STACK): Likewise.
6745 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
6747 * config/i386/i386.c (ix86_vectorize_builtin_vec_perm): Silence
6748 bogus uninitialized warning.
6750 2010-01-09 Richard Guenther <rguenther@suse.de>
6753 * tree-scalar-evolution.c (interpret_loop_phi): Make sure
6754 the evolution is compatible with the initial condition.
6756 2010-01-09 Jakub Jelinek <jakub@redhat.com>
6758 * gcc.c (process_command): Update copyright notice dates.
6759 * gcov.c (print_version): Likewise.
6760 * gcov-dump.c (print_version): Likewise.
6761 * mips-tfile.c (main): Likewise.
6762 * mips-tdump.c (main): Likewise.
6764 2010-01-08 Andy Hutchinson <hutchinsonandy@gcc.gnu.org>
6767 * config/avr/avr.md (rotlqi3): Add CONST_INT_P check.
6769 (rotlhi3_8): Delete.
6771 (rotlsi3_8): Delete.
6772 (rotlsi3_16): Delete.
6773 (rotlsi3_24): Delete.
6775 (*rotw<mode>3): New.
6776 (*rotb<mode>3): New.
6777 * config/avr/avr.c (avr_rotate_bytes): New function.
6778 * config/avr/avr-proto.h (avr_rotate_bytes): New function.
6780 2010-01-08 Steve Ellcey <sje@cup.hp.com>
6783 * configure.ac: Modify -rdynamic check.
6784 * configure: Regenerate.
6786 2010-01-08 DJ Delorie <dj@redhat.com>
6788 * config/sh/sh.c (sh_expand_epilogue): Fix interrupt handler
6789 register popping order.
6791 2010-01-08 Richard Guenther <rguenther@suse.de>
6794 * c.opt (fsigned-char): Also let LTO handle this option.
6795 (funsigned-char): Likewise.
6797 2010-01-07 Richard Guenther <rguenther@suse.de>
6799 * gimple.h (gss_for_code): Wrap gcc_assert in ENABLE_CHECKING.
6800 (gimple_op): Likewise.
6801 (gimple_op_ptr): Likewise.
6802 (gimple_assign_set_lhs): Remove gcc_assert.
6803 (gimple_assign_set_rhs1): Likewise.
6804 (gimple_assign_set_rhs2): Likewise.
6805 (gimple_call_set_lhs): Likewise.
6806 (gimple_call_set_fn): Likewise.
6807 (gimple_call_set_fndecl): Likewise.
6808 (gimple_call_fndecl): Likewise.
6809 (gimple_call_return_type): Likewise.
6810 (gimple_call_set_chain): Likewise.
6811 (gimple_call_num_args): Likewise.
6812 (gimple_call_set_arg): Likewise.
6813 (gimple_cond_set_code): Likewise.
6814 (gimple_cond_set_lhs): Likewise.
6815 (gimple_cond_set_rhs): Likewise.
6816 (gimple_cond_set_true_label): Likewise.
6817 (gimple_cond_set_false_label): Likewise.
6818 (gimple_label_set_label): Likewise.
6819 (gimple_goto_set_dest): Likewise.
6820 (gimple_debug_bind_get_var): Wrap gcc_assert in ENABLE_CHECKING.
6821 (gimple_debug_bind_get_value): Likewise.
6822 (gimple_debug_bind_get_value_ptr): Likewise.
6823 (gimple_debug_bind_set_var): Likewise.
6824 (gimple_debug_bind_set_value): Likewise.
6825 (gimple_debug_bind_reset_value): Likewise.
6826 (gimple_debug_bind_has_value_p): Likewise.
6827 (gimple_return_retval_ptr): Remove gcc_assert.
6828 (gimple_return_retval): Likewise.
6829 (gimple_return_set_retval): Likewise.
6830 * tree-flow.h (struct gimple_df): Remove nonlocal_all member.
6831 (safe_referenced_var_iterator): Remove.
6832 (FOR_EACH_REFERENCED_VAR_SAFE): Likewise.
6833 * tree-flow-inline.h (gimple_nonlocal_all): Remove.
6834 (fill_referenced_var_vec): Remove.
6835 (first_readonly_imm_use): Remove redundant gcc_assert.
6836 (phi_arg_index_from_use): Combine gcc_asserts.
6837 (move_use_after_head): Wrap gcc_assert in ENABLE_CHECKING.
6838 (first_imm_use_stmt): Remove redundant gcc_assert.
6839 * tree-cfg.c (verify_gimple_call): Verify function and chain
6840 operands. Verify arguments.
6841 (verify_types_in_gimple_stmt): Verify condition code and labels.
6843 2010-01-07 Richard Guenther <rguenther@suse.de>
6845 PR tree-optimization/42641
6846 * sese.c (rename_map_elt_info): Use the SSA name version, do
6849 2010-01-07 Jakub Jelinek <jakub@redhat.com>
6851 PR tree-optimization/42625
6852 * cgraph.c (cgraph_make_node_local): Clear DECL_COMDAT*,
6853 TREE_PUBLIC, DECL_WEAK and DECL_EXTERNAL also for same_body aliases.
6855 2010-01-07 Duncan Sands <baldrick@free.fr>
6857 * Makefile.in (PLUGIN_HEADERS): Add version.h.
6859 2010-01-07 Uros Bizjak <ubizjak@gmail.com>
6862 * ifcvt.c (dead_or_predicable): Also remove REG_EQUAL note when
6863 note itself is not function_invariant_p.
6865 2009-01-07 Steven Bosscher <steven@gcc.gnu.org>
6867 * gcse.c (execute_rtl_cprop, execute_rtl_pre, execute_rtl_hoist):
6868 Do not add the DF_NOTE problem.
6869 * store-motion.c (execute_rtl_store_motion): Likewise.
6871 2010-01-07 Martin Jambor <mjambor@suse.cz>
6873 PR tree-optimization/42157
6874 * tree-sra.c (compare_access_positions): Stabilize sort if both
6875 accesses have integer types, return zero immediately if they are the
6878 2010-01-06 Richard Henderson <rth@redhat.com>
6881 * haifa-sched.c (add_to_note_list): Merge into ...
6882 (concat_note_lists): ... here, and ...
6883 (unlink_other_notes, rm_other_notes): Merge into...
6884 (remove_notes): ... here. Create REG_SAVE_NOTEs for
6885 NOTE_INSN_EPILOGUE_BEG.
6887 2010-01-06 Richard Guenther <rguenther@suse.de>
6889 * ipa-inline.c (cgraph_decide_inlining_incrementally): Do
6890 not inline regular functions into always-inline functions.
6892 2010-01-06 Nick Clifton <nickc@redhat.com>
6894 * config/rx/rx.h (enum rx_cpu_type): Add RX200.
6895 (CC1_SPEC): Issue an error message if -mcpu=rx200 and -fpu are
6897 (OVERRIDE_OPTIONS): Delete.
6898 (OPTIMIZATION_OPTIONS): Define.
6899 (ALLOW_RX_FPU_INSNS): Define only in terms of -fpu option.
6900 * config/rx/rx.c (rx_handle_option): Issue an error message if
6901 -mcpu=rx200 and -fpu are used together.
6902 (rx_set_optimization_options): New function. Issue an error
6903 message if an optimization attribute attempts to reset the FPU/
6904 math optimization pairing.
6905 * config/rx/rx-protos.h (rx_set_optimization_options): Prototype.
6906 * config/rx/rx.opt: Set the default to 32-bit doubles.
6907 * config/rx/t-rx: Add multilibs for -nofpu option.
6908 * doc/invoke.texi: Update documentation of RX options.
6910 2010-01-06 Richard Guenther <rguenther@suse.de>
6912 * tree-ssa-pre.c (name_to_id): New global.
6913 (alloc_expression_id): Simplify SSA name handling.
6914 (lookup_expression_id): Likewise.
6915 (init_pre): Zero name_to_id.
6916 (fini_pre): Free it.
6918 2010-01-06 Uros Bizjak <ubizjak@gmail.com>
6920 * ifcvt.c (if_convert): Output slim multiple dumps with TDF_SLIM.
6922 2010-01-05 H.J. Lu <hongjiu.lu@intel.com>
6925 * config/i386/sse.md (smaxv2di3): New.
6926 (umaxv2di3): Likewise.
6927 (sminv2di3): Likewise.
6928 (uminv2di3): Likewise.
6930 2010-01-05 Eric Botcazou <ebotcazou@adacore.com>
6933 * config/sparc/sparc.h (SPARC_SYMBOL_REF_TLS_P): Delete.
6934 * config/sparc/sparc-protos.h (legitimize_pic_address): Likewise.
6935 (legitimize_tls_address): Likewise.
6936 (sparc_tls_referenced_p): Likewise.
6937 * config/sparc/sparc.c (sparc_expand_move): Use legitimize_tls_address
6938 and adjust calls to legitimize_pic_address.
6939 (legitimate_constant_p) Use sparc_tls_referenced_p.
6940 (legitimate_pic_operand_p): Likewise.
6941 (sparc_legitimate_address_p): Do not use SPARC_SYMBOL_REF_TLS_P.
6942 (sparc_tls_symbol_ref_1): Delete.
6943 (sparc_tls_referenced_p): Make static, recognize specific patterns.
6944 (legitimize_tls_address): Make static, handle CONST patterns.
6945 (legitimize_pic_address): Make static, remove unused parameter and
6946 adjust recursive calls.
6947 (sparc_legitimize_address): Make static, use sparc_tls_referenced_p
6948 and adjust call to legitimize_pic_address.
6949 (sparc_output_mi_thunk): Likewise.
6951 2010-01-05 Paolo Bonzini <bonzini@gnu.rg>
6952 H.J. Lu <hongjiu.lu@intel.com>
6955 * config/i386/i386.c (ix86_expand_int_vcond): Convert GTU to GT
6956 for V4SI and V2DI by subtracting (-(INT MAX) - 1) from both
6957 operands to make them signed.
6960 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
6963 * config/i386/i386.c (ix86_expand_int_vcond): Don't convert
6964 GTU to GT for V4SI and V2DI.
6966 * config/i386/sse.md (umaxv4si3): Enabled for SSE4.1 and XOP.
6967 (umin<mode>3): Removed.
6969 (uminv4si3): Likewise.
6971 2010-01-05 Martin Jambor <mjambor@suse.cz>
6973 PR tree-optimization/42462
6974 * ipa-inline.c (compute_inline_parameters): Pass node->decl instead of
6975 current_function_decl to helper functions and macros.
6977 2010-01-05 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6980 * flags.h: Don't include real.h.
6981 (HONOR_NANS, HONOR_SNANS, HONOR_INFINITIES, HONOR_SIGNED_ZEROS,
6982 HONOR_SIGN_DEPENDENT_ROUNDING): Move ...
6983 * real.h (HONOR_NANS, HONOR_SNANS, HONOR_INFINITIES,
6984 HONOR_SIGNED_ZEROS, HONOR_SIGN_DEPENDENT_ROUNDING): ... here.
6985 * dominance.c: Update copyright.
6986 * gimple.c (walk_gimple_op): Remove inline.
6987 * tree-ssa-reassoc.c: Include real.h.
6988 * Makefile.in (FLAGS_H): Remove $(REAL_H).
6989 (tree-ssa-reassoc.o): Depend on $(REAL_H).
6991 2010-01-05 Nick Clifton <nickc@redhat.com>
6993 * config/rx/rx.c (rx_get_stack_layout): Fix allocation of second
6994 register to push into the stack frame when the accumulator has to
6995 be saved during interrupts.
6997 2010-01-05 Eric Fisher <joefoxreal@gmail.com>
6999 * doc/invoke.texi: Remove the documentation about option
7001 * common.opt (Wunreachable-code): Preserved for backward
7003 * tree-cfg.c: Remove the implementation of -Wunreachable-code.
7004 * opts.c (common_handle_option): Add OPT_Wunreachable_code to
7005 the backward compatibility flag section.
7007 2010-01-05 Richard Guenther <rguenther@suse.de>
7009 * tree-ssa-pre.c (bitmap_value_insert_into_set): Optimize.
7011 2010-01-05 Jakub Jelinek <jakub@redhat.com>
7014 * cfgexpand.c (expand_one_var): Diagnose too large variables.
7016 PR tree-optimization/42508
7017 * tree-sra.c (convert_callers): Check for recursive call
7018 by comparing cgraph nodes instead of decls.
7019 (modify_function): Call ipa_modify_formal_parameters also
7020 on all same_body aliases.
7022 * cgraphunit.c (cgraph_materialize_all_clones): Compare
7023 cgraph nodes when checking for same_body aliases.
7025 2010-01-05 Richard Guenther <rguenther@suse.de>
7027 * tree-ssa-pre.c (get_or_alloc_expr_for_name): Avoid redundant
7028 allocation and lookup.
7029 (get_or_alloc_expr_for_constant): Likewise.
7030 (phi_translate): Sink allocation.
7032 2010-01-04 Richard Guenther <rguenther@suse.de>
7034 * tree-ssa-sccvn.c (get_or_alloc_constant_value_id): Allocate
7035 a new entry only if needed.
7036 * tree-ssa-dom.c (lookup_avail_expr): Likewise.
7037 * tree-ssa-coalesce.c (find_coalesce_pair): Avoid one
7039 * tree-ssa-pre.c (sorted_array_from_bitmap_set): Pre-allocate
7041 (phi_translate): Handle CONSTANTs early.
7043 2010-01-04 Martin Jambor <mjambor@suse.cz>
7045 PR tree-optimization/42398
7046 * tree-sra.c (struct access): Removed flag grp_different_types.
7047 (dump_access): Do not dump the removed flag.
7048 (sort_and_splice_var_accesses): Do not set the removed flag.
7049 (sra_modify_expr): Check for type compatibility directly.
7051 2010-01-04 Martin Jambor <mjambor@suse.cz>
7053 PR tree-optimization/42366
7054 * ipa-cp.c (ipcp_init_stage): Always call ipa_compute_jump_functions on
7055 edges with variable number of parameters.
7056 * ipa-prop.c (ipa_write_node_info): Stream out uses_analysis_done
7057 flag instead of asserting it.
7058 (ipa_read_node_info): Read uses_analysis_done flag.
7060 2010-01-04 Richard Guenther <rguenther@suse.de>
7062 * tree-ssa-sccvn.c (vn_reference_op_compute_hash): Use
7063 iterative_hash_* as intended.
7064 (vn_reference_compute_hash): Likewise. Simplify hashing
7066 (vn_reference_lookup_2): Likewise.
7067 (vn_nary_op_compute_hash): Likewise.
7068 (vn_phi_compute_hash): Likewise.
7069 (expressions_equal_p): Remove strange code.
7070 * tree-ssa-pre.c (pre_expr_eq): Use gcc_unreachable ().
7071 (pre_expr_hash): Likewise. Simplify hashing SSA names.
7072 (bitmap_insert_into_set_1): Take value-id as parameter.
7073 (add_to_value): Pass it.
7074 (bitmap_insert_into_set): Likewise.
7075 (bitmap_value_insert_into_set): Likewise. Remove redundant check.
7077 2010-01-04 Jakub Jelinek <jakub@redhat.com>
7080 * gcc.c (SWITCH_IGNORE_PERMANENTLY): Define.
7081 (do_self_spec): For switches with SWITCH_IGNORE set set also
7082 SWITCH_IGNORE_PERMANENTLY.
7083 (check_live_switch): Check SWITCH_IGNORE_PERMANENTLY instead
7086 2010-01-04 Rafael Avila de Espindola <espindola@google.com>
7088 * lto-streamer-out.c (output_unreferenced_globals): Output the full
7089 tree of an unreferenced global var.
7091 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
7094 * config/i386/i386.c (ix86_expand_int_vcond): Don't convert
7095 GTU to GT for V4SI and V2DI.
7097 * config/i386/sse.md (umaxv4si3): Enabled for SSE4.1 and XOP.
7098 (umin<mode>3): Removed.
7100 (uminv4si3): Likewise.
7102 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
7105 * collect2.c (main): Turn on trace in collect2 if -v is passed
7108 2010-01-03 Jerry Quinn <jlquinn@optonline.net>
7110 * doc/c-tree.texi (RETURN_STMT): Change to RETURN_EXPR. Update
7111 description of expression operand.
7113 2010-01-03 Andrew Jenner <andrew@codesourcery.com>
7115 * configure.ac: Add install-html to target_list for Make-hooks.
7116 * configure: Regenerate.
7117 * fortran/Make-lang.in (F95_HTMLFILES): New.
7118 (fortran.html): Use it.
7119 (fortran.install-html): New.
7120 * Makefile.in (install-html): Add lang.install-html.
7121 * java/Make-lang.in (JAVA_HTMLFILES): New.
7122 (java.html): Use it.
7123 (java.install-html): New.
7124 * objc/Make-lang.in (objc.install-html): New.
7125 * objcp/Make-lang.in (obj-c++.install-html): New.
7126 * cp/Make-lang.in (c++.install-html): New.
7127 * ada/gcc-interface/Make-lang.in (ada.install-html): New.
7128 * lto/Make-lang.in (lto.install-html): New.
7130 2010-01-03 H.J. Lu <hongjiu.lu@intel.com>
7133 * gcc.c (LINK_COMMAND_SPEC): Pass -m* and -v to -plugin-opt.
7135 2009-01-03 Steven Bosscher <steven@gcc.gnu.org>
7137 PR rtl-optimization/41862
7138 * store-motion.c (store_killed_in_insn, compute_store_table,
7139 remove_reachable_equiv_notes, replace_store_insn,
7140 build_store_vectors): Ignore all DEBUG_INSNs.
7142 2010-01-03 H.J. Lu <hongjiu.lu@intel.com>
7145 * common.opt: Add dumpdir.
7147 * gcc.c (cc1_options): Add "-dumpbase %B" only if -dumpbase
7149 (option_map): Add --dumpdir.
7151 * gcc.h (DEFAULT_WORD_SWITCH_TAKES_ARG): Add dumpdir.
7153 * lto-wrapper.c (run_gcc): Add -dumpbase and -dumpdir for -o.
7155 * opts.c (decode_options): Try dump_dir_name first if
7156 dump_base_name isn't an absolute path.
7157 (common_handle_option): Handle OPT_dumpdir.
7159 * toplev.c (dump_dir_name): New.
7160 (print_switch_values): Also ignore -dumpdir.
7162 * toplev.h (dump_dir_name): New.
7164 2010-01-03 Richard Guenther <rguenther@suse.de>
7166 PR tree-optimization/42589
7167 * tree-ssa-math-opts.c (execute_optimize_bswap): Allow
7168 double-word expansion of bswap32.
7170 2010-01-03 Steven Bosscher <steven@gcc.gnu.org>
7172 * postreload-gcse.c (insert_expr_in_table): Replace BLOCK_NUM
7173 with BLOCK_FOR_INSN.
7174 * auto-inc-dec.c (attempt_change, get_next_ref, find_inc): Likewise.
7175 * ifcvt.c (noce_get_alt_condition, noce_try_abs,
7176 noce_process_if_block): Likewise.
7177 * gcse.c (compute_local_properties, insert_expr_in_table,
7178 insert_set_in_table, canon_list_insert, find_avail_set,
7179 pre_insert_copy_insn): Likewise.
7181 * basic-block.h (BLOCK_NUM): Move from here...
7182 * sched-int.h (BLOCK_NUM): ... to here to localize it in the scheduler.
7184 2010-01-03 Richard Guenther <rguenther@suse.de>
7186 PR tree-optimization/42438
7187 * tree-ssa-pre.c (struct bb_bitmap_sets): Add
7188 contains_may_not_return_call flag.
7189 (BB_MAY_NOTRETURN): New.
7190 (valid_in_sets): Trapping nary operations are not valid
7191 in blocks that may not return.
7192 (insert_into_preds_of_block): Remove check for trapping expressions.
7193 (compute_avail): Compute also BB_MAY_NOTRETURN.
7195 2010-01-03 Gerald Pfeifer <gerald@pfeifer.com>
7197 * doc/invoke.texi: Add 2010 to copyright years.
7199 2010-01-03 Eric Botcazou <ebotcazou@adacore.com>
7201 * config/sparc/sparc.c: Fix formatting nits.
7203 2010-01-02 Gerald Pfeifer <gerald@pfeifer.com>
7204 Alexander Monakov <amonakov@ispras.ru>
7206 * doc/invoke.texi (Optimize Options): Reword introduction a bit.
7208 2010-01-02 Richard Guenther <rguenther@suse.de>
7211 * tree-vrp.c (check_all_array_refs): Skip non-excutable blocks.
7212 (simplify_switch_using_ranges): Mark to be removed edges
7215 2010-01-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7217 * config/pa/t-slibgcc-dwarf-ver (SHLIB_SOVERSION): Bump by two.
7219 * collect2.c (scan_libraries): Add missing argument in call to
7222 2010-01-02 Uros Bizjak <ubizjak@gmail.com>
7225 * config/alpha/predicates.md (aligned_memory_operand): Return false
7227 (unaligned_memory_operand): Return true for CQImode.
7228 * config/alpha/alpha.c (get_aligned_mem): Assert that location
7229 doesn not cross aligned SImode word boundary.
7231 2010-01-02 Anatoly Sokolov <aesok@post.ru>
7233 * config/avr/avr.h (REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, XEXP_):
7235 * config/avr/avr-protos.h (avr_init_once, avr_optimization_options,
7236 avr_change_section, avr_reg_class_from_letter) : Remove declaration.
7238 2010-01-02 Richard Guenther <rguenther@suse.de>
7241 * toplev.c (compile_file): Emit LTO marker properly. Change
7243 * collect2.c (scan_prog_file): Adjust for changed LTO marker.
7245 2010-01-01 Richard Guenther <rguenther@suse.de>
7248 * tree-sra.c (analyze_all_variable_accesses): Work in DECL_UID order.
7250 2010-01-01 Richard Guenther <rguenther@suse.de>
7253 * c-decl.c (grokdeclarator): For zero-size arrays force
7254 structural equality checks as layout_type does.
7256 2010-01-01 H.J. Lu <hongjiu.lu@intel.com>
7258 * builtins.c: Update copyright to 2010.
7260 2010-01-01 H.J. Lu <hongjiu.lu@intel.com>
7263 * lto-streamer-out.c (produce_asm): Revert the last change.
7264 (copy_function): Likewise.
7266 * lto-streamer.c (lto_get_section_name): Skip any leading
7269 2010-01-01 Richard Guenther <rguenther@suse.de>
7272 * builtins.c (get_object_alignment): Do not use DECL_ALIGN
7276 Copyright (C) 2010 Free Software Foundation, Inc.
7278 Copying and distribution of this file, with or without modification,
7279 are permitted in any medium without royalty provided the copyright
7280 notice and this notice are preserved.
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