1 2010-04-24 Bernd Schmidt <bernds@codesourcery.com>
3 PR tree-optimization/41442
4 * fold-const.c (merge_truthop_with_opposite_arm): New function.
5 (fold_binary_loc): Call it.
7 2010-04-23 Manuel López-Ibáñez <manu@gcc.gnu.org>
9 * toplev.c (general_init): Set default for
10 fdiagnostics-show-option.
11 * opts.c (common_handle_option): Allow disabling it.
12 * common.opt (fdiagnostics-show-option): Add Var. Enabled by
15 2010-04-23 Eric Botcazou <ebotcazou@adacore.com>
17 * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Only use conversion
18 between modes if both types are integral.
20 2010-04-23 Richard Guenther <rguenther@suse.de>
22 PR tree-optimization/43572
23 * tree-tailcall.c (find_tail_calls): Allow PARM_DECL uses.
25 2010-04-23 Richard Guenther <rguenther@suse.de>
28 * tree-inline.c (tree_can_inline_p): Also check compatibility
31 2010-04-23 Martin Jambor <mjambor@suse.cz>
33 PR tree-optimization/43846
34 * tree-sra.c (struct access): New flag grp_assignment_read.
35 (build_accesses_from_assign): Set grp_assignment_read.
36 (sort_and_splice_var_accesses): Propagate grp_assignment_read.
37 (enum mark_read_status): New type.
38 (analyze_access_subtree): Propagate grp_assignment_read, create
39 accesses also if both direct_read and root->grp_assignment_read.
41 2010-04-23 Martin Jambor <mjambor@suse.cz>
44 * tree-sra.c (ipa_sra_preliminary_function_checks): Check that the
45 function does not have type attributes.
47 2010-04-23 Richard Guenther <rguenther@suse.de>
50 * tree.c (free_lang_data_in_decl): Do not reset DECL_CONTEXT
53 2010-04-22 Laurynas Biveinis <laurynas.biveinis@gmail.com>
55 * sese.h (create_if_region_on_edge): Remove.
57 * sese.c (create_if_region_on_edge): Make static.
59 * tree-inline.c: Do not include ggc.h.
61 * expr.c: Do not include ggc.h.
63 * Makefile.in (tree-inline.o, expr.o): Remove $(GGC_H) from
66 2010-04-22 Kaz Kojima <kkojima@gcc.gnu.org>
69 * config/sh/sh.c (find_barrier): Don't emit a constant pool
70 in the middle of insns for casesi_worker_2.
72 2010-04-22 David Edelsohn <edelsohn@gnu.org>
74 * config/rs6000/x-aix: Override LDFLAGS for all COMPILERS.
76 2010-04-22 Ira Rosen <irar@il.ibm.com>
78 PR tree-optimization/43842
79 * tree-vect-loop.c (vect_create_epilog_for_reduction): Handle
80 loop unrolling in update of exit phis. Fix comment.
81 * tree-vect-slp.c (vect_analyze_slp): Check that there are at
82 least two reduction statements in the loop before starting SLP
85 2010-04-22 Nick Clifton <nickc@redhat.com>
87 * config/stormy16/stormy16-lib2.c (__ucmpsi2): Fix thinko.
89 2010-04-22 Alexander Monakov <amonakov@ispras.ru>
91 * tree-ssa-reassoc.c (eliminate_plus_minus_pair): Handle BIT_NOT_EXPR
94 2010-04-22 Laurynas Biveinis <laurynas.biveinis@gmail.com>
96 * tree-parloops.c (loop_parallel_p): New argument
97 parloop_obstack. Pass it down.
98 (parallelize_loops): New variable parloop_obstack. Initialize it,
99 pass it down, free it.
101 * tree-loop-linear.c (linear_transform_loops): Pass down
104 * tree-data-ref.h (lambda_compute_access_matrices): New argument
105 of type struct obstack *.
107 * tree-data-ref.c (analyze_subscript_affine_affine): New variable
108 scratch_obstack. Initialize it, pass down, free it.
110 * lambda.h (lambda_loop_new): Remove.
111 (lambda_matrix_new, lambda_matrix_inverse)
112 (lambda_trans_matrix_new, lambda_trans_matrix_inverse): New
113 argument of type struct obstack *.
115 * lambda-trans.c (lambda_trans_matrix_new): New argument
116 lambda_obstack. Pass it down, use obstack allocation for ret.
117 (lambda_trans_matrix_inverse): New argument lambda_obstack. Pass
120 * lambda-mat.c (lambda_matrix_get_column)
121 (lambda_matrix_project_to_null): Remove.
122 (lambda_matrix_new): New argument lambda_obstack. Use obstack
124 (lambda_matrix_inverse_hard, lambda_matrix_inverse): New argument
127 * lambda-code.c (lambda_loop_new): New function.
128 (lambda_lattice_new, compute_nest_using_fourier_motzkin)
129 (lambda_compute_auxillary_space, lambda_compute_target_space)
130 (lambda_loopnest_transform, gcc_loop_to_lambda_loop)
131 (lambda_loopnest_to_gcc_loopnest): Pass down lambda_obstack.
132 (build_access_matrix): New argument lambda_obstack. Use obstack
134 (lambda_compute_step_signs, lambda_compute_access_matrices): New
135 argument lambda_obstack. Pass it down.
137 2010-04-22 Bernd Schmidt <bernds@codesourcery.com>
139 * optabs.h (expand_widening_mult): Declare.
141 2010-04-22 Richard Guenther <rguenther@suse.de>
143 PR tree-optimization/43845
144 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Properly
145 lookup the CALL_EXPR function and arguments.
147 2010-04-22 Nick Clifton <nickc@redhat.com>
149 * config/stormy16/stormy16.c
150 (xstormy16_asm_output_aligned_common): Handle a NULL decl parameter.
151 * config/stormy16/stormy16.h: Tidy up formatting.
152 (DONT_USE_BUILTIN_SETJMP): Remove definition.
153 * config/stormy16/stormy16.c (cbranchsi4): Delete pattern.
154 (ineqbranchsi): Delete pattern.
155 * config/stormy16/stormy16-lib2-ucmpsi2.c: New file.
156 * config/stormy16/stormy16-lib2.c (__ucmpsi2): New function.
157 * config/stormy16/t-stormy16 (LIB2FUNCS_EXTRA): Add
158 stormy16-lib2-ucmpsi2.c.
160 2010-04-22 Bernd Schmidt <bernds@codesourcery.com>
162 * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs and
163 df_simulate_find_noclobber_defs as appropriate. Keep track of an
164 extra set merge_set_noclobber, and use it to relax the final test
166 * df.h (df_simulate_find_noclobber_defs): Declare.
167 * df-problems.c (df_simulate_find_defs): Don't ignore partial or
169 (df_simulate_find_noclobber_defs): New function.
171 2010-04-22 Uros Bizjak <ubizjak@gmail.com>
173 * config/i386/i386.md: Use {} around multi-line preparation statements.
175 2010-04-22 Laurynas Biveinis <laurynas.biveinis@gmail.com>
177 * c-tree.h (push_init_level, pop_init_level, set_init_index)
178 (process_init_element): New argument of type struct obstack *.
180 * c-typeck.c (push_init_level, pop_init_level, set_designator)
181 (set_init_index, set_init_label, set_nonincremental_init)
182 (set_nonincremental_init_from_string, find_init_member)
183 (output_init_element, output_pending_init_elements)
184 (process_init_element): New argument braced_init_obstack. Pass it
186 (push_range_stack, add_pending_init): New argument
187 braced_init_obstack. Use obstack allocation.
189 * c-parser.c (c_parser_initelt, c_parser_initval): New argument
190 braced_init_obstack. Pass it down.
191 (c_parser_braced_init): New variables ret, braced_init_obstack.
192 Initialize obstack, pass it down and finally free it.
194 2010-04-22 Bernd Schmidt <bernds@codesourcery.com>
197 * tree-pass.h (pass_optimize_widening_mul): Declare.
198 * tree-ssa-math-opts.c (execute_optimize_widening_mul,
199 gate_optimize_widening_mul): New static functions.
200 (pass_optimize_widening_mul): New.
201 * expr.c (expand_expr_real_2) <case WIDEN_MULT_EXPR>: New
203 <case MULT_EXPR>: Remove support for widening multiplies.
204 * tree.def (WIDEN_MULT_EXPR): Tweak comment.
205 * cfgexpand.c (expand_debug_expr) <case WIDEN_MULT_EXPR>: Use
206 simplify_gen_unary rather than directly building extensions.
207 * tree-cfg.c (verify_gimple_assign_binary): Add tests for
209 * expmed.c (expand_widening_mult): New function.
210 * passes.c (init_optimization_passes): Add pass_optimize_widening_mul.
212 2010-04-21 Jan Hubicka <jh@suse.cz>
214 * timevar.def (TV_WHOPR_WPA_FIXUP): Remove.
215 * lto-section-in.c (lto_section_name): Remove wpa_fixup.
216 * lto-wpa-fixup.c: Remove.
217 * Makefile.in (lto-wpa-fixup.o): Remove.
218 * passes.c (init_optimization_passes): Remove pass_ipa_lto_wpa_fixup.
219 (execute_all_ipa_transforms): Set cgraph_state to CGRAPH_STATE_IPA_SSA.
220 * lto-streamer.c (lto_get_section_name): Remove wpa_fixup section.
222 2010-04-21 Jan Hubicka <jh@suse.cz>
224 * tree-pass.h (ipa_opt_pass_d): Rename function_read_summary;
225 add write_optimization_summary, read_optimization_summary.
226 (ipa_write_summaries_of_cgraph_node_set): Remove.
227 (ipa_write_optimization_summaries): Declare.
228 (ipa_read_optimization_summaries): Declare.
229 * ipa-cp.c (pass_ipa_cp): Update.
230 * ipa-reference.c (pass_ipa_reference): Update.
231 * ipa-pure-const.c (pass_ipa_pure_const): Update.
232 * lto-streamer-out.c (pass_ipa_lto_gimple, pass_ipa_lto_finish):
234 * ipa-inline.c (pass_ipa_inline): Update.
235 * ipa.c (pass_ipa_whole_program): Update.
236 * lto-wpa-fixup.c (pass_ipa_lto_wpa_fixup): Update.
237 * passes.c (ipa_write_summaries_1): Do not test wpa.
238 (ipa_write_optimization_summaries_1): New.
239 (ipa_write_optimization_summaries): New.
240 (ipa_read_summaries): Do not test ltrans.
241 (ipa_read_optimization_summaries_1): New.
242 (ipa_read_optimization_summaries): New.
244 2010-04-21 Jan Hubicka <jh@suse.cz>
246 * lto-cgraph.c (lto_output_node): Do not output comdat groups
248 (output_cgraph): Do not arrange comdat groups for boundary nodes.
250 2010-04-21 Jakub Jelinek <jakub@redhat.com>
253 * dwarf2out.c (add_name_and_src_coords_attributes): Add
254 DW_AT_{,MIPS_}linkage_name even for Fortran decls.
256 2010-04-21 Jan Hubicka <jh@suse.cz>
258 * ipa-prop.c (ipa_edge_removal_hook): Check for bounds.
260 2010-04-21 Jan Hubicka <jh@suse.cz>
262 * varpool.c (decide_is_variable_needed): Variable is always needed
265 2010-04-21 Jan Hubicka <jh@suse.cz>
267 * opts.c (decode_options): Enable pure-const pass for whopr.
269 2010-04-21 Jan Hubicka <jh@suse.cz>
271 * cgraph.c (dump_cgraph_node): Dump also assembler name.
272 * ipa-inline.c (cgraph_decide_inlining_of_small_functions): Do not ice
274 (cgraph_decide_inlining): Do not expect callee to be removed in all
277 2010-04-21 Eric B. Weddington <eric.weddington@atmel.com>
279 * config/avr/avr-devices.c (avr_mcu_types): Add missing comma.
281 2010-04-21 Uros Bizjak <ubizjak@gmail.com>
283 * config/i386/i386.md (x86_shrd): Add athlon_decode and
284 amdfam10_decode attributes.
286 2010-04-21 Jakub Jelinek <jakub@redhat.com>
289 * omp-low.c (scan_sharing_clauses): Don't scan_omp_op
290 OMP_CLAUSE_DECL for OMP_CLAUSE_COPYPRIVATE.
291 (lower_copyprivate_clauses): Use private var in outer
292 context instead of original var. Make sure the types
293 are correct for VLAs.
295 2010-04-21 Richard Guenther <rguenther@suse.de>
297 * tree-ssa-structalias.c (do_ds_constraint): Avoid escaping
298 to non-pointer objects.
300 2010-04-21 Jakub Jelinek <jakub@redhat.com>
302 * dwarf2out.c (add_var_loc_to_decl): Add LABEL argument. Drop
303 last chain entry if it starts with the still current label.
304 (add_location_or_const_value_attribute): Check that
305 loc_list->first->next is NULL instead of comparing ->first with ->last.
306 (dwarf2out_var_location): Pass last_label resp. last_postcall_label
307 to add_var_loc_to_decl.
309 * dwarf2out.c (output_call_frame_info): For dw_cie_version
310 >= 4 add also address size and segment size fields into CIE header.
312 * unwind-dw2.c (extract_cie_info): Handle CIE version 4, as
313 long as address size is the same as sizeof (void *) and
315 * unwind-dw2-fde.c (get_cie_encoding): Likewise. If
316 address size or segment size is unexpected, return DW_EH_PE_omit.
317 (classify_object_over_fdes): If get_cie_encoding returned
318 DW_EH_PE_omit, return -1.
319 (init_object): If classify_object_over_fdes returned -1,
320 pretend there were no FDEs at all.
322 2010-04-21 Uros Bizjak <ubizjak@gmail.com>
324 * config/i386/i386.md (bswap<mode>2): Macroize expander from
325 bswap{si,di}2 using SWI48 mode iterator.
326 (*bswap<mode>2_movbe): Macroize insn from *bswap{si,di}_movbe using
327 SWI48 mode iterator. Set type attribute of bswap insn to bitmanip,
328 set modrm attribute of bswap insn to 0 and remove length attribute.
329 (*bswap<mode>2_1): Macroize insn from *bswap{si,di}_1 using SWI48 mode
330 iterator. Set type attribute to bitmanip, set modrm attribute to 0,
331 set mode attribute to <MODE> and remove length attribute.
333 2010-04-20 James E. Wilson <wilson@codesourcery.com>
335 PR rtl-optimization/43520
336 * ira-lives.c (ira_implicitly_set_insn_hard_regs): Exclude classes with
337 zero available registers.
339 2010-04-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
341 * builtins.c (fold_builtin_cproj): Fold more cases.
343 2010-04-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
345 * builtins.c (build_complex_cproj, fold_builtin_cproj): New.
346 (fold_builtin_1): Fold builtin cproj.
347 * builtins.def (BUILT_IN_CPROJ, BUILT_IN_CPROJF, BUILT_IN_CPROJL):
348 Use ATTR_CONST_NOTHROW_LIST.
350 2010-04-20 Uros Bizjak <ubizjak@gmail.com>
352 * config/i386/i386.md (ffs<mode>2): Macroize expander from ffs_cmove
353 and ffsdi2 using SWI48 mode iterator. Expand SImode insn through
354 ffsi2_no_cmove for !TARGET_CMOVE.
355 (ffssi2_no_cmove): Rename from *ffs_no_cmove. Make public.
356 (ffssi2): Remove expander.
357 (*ffs<mode>_1): Macroize insn from *ffs{si,di} using SWI48
359 (ctz<mode>2): Ditto from ctz{si,di}2.
360 (clz<mode>2): Macroize expander from ctz{hi,si,di}2 using SWI248
362 (clz<mode>2_abm): Macroize insn from clz{hi,si,di}2_abm using SWI248
365 2010-04-20 Jakub Jelinek <jakub@redhat.com>
367 * dwarf2out.c (AT_linkage_name): Define.
368 (clone_as_declaration): Handle DW_AT_linkage_name.
369 (add_name_and_src_coords_attributes): Use AT_linkage_name instead
370 of DW_AT_MIPS_linkage_name.
371 (move_linkage_attr): Likewise.
372 (dwarf2out_finish): Likewise.
374 2010-04-20 Xinliang David Li <davidxl@gcc.gnu.org>
377 * fold-const.c (fold_comparison): New folding rule.
379 2010-04-20 Anatoly Sokolov <aesok@post.ru>
381 * double-int.h (double_int_setbit): Declare.
382 * double-int.c (double_int_setbit): New function.
383 * rtl.h (immed_double_int_const): Declare.
384 * emit-rtl.c (immed_double_int_const): New function.
385 * builtins.c (expand_builtin_signbit): Clean up, use double_int_*
386 and immed_double_int_const functions.
387 * optabs.c (expand_absneg_bit, expand_copysign_absneg,
388 expand_copysign_bit): (Ditto.).
389 * simplify-rtx.c (simplify_binary_operation_1): (Ditto.).
390 * tree-ssa-address.c (addr_for_mem_ref): (Ditto.).
391 * dojump.c (prefer_and_bit_test): (Ditto.).
392 * expr.c (convert_modes, reduce_to_bit_field_precision,
393 const_vector_from_tree): (Ditto.).
394 * expmed.c (mask_rtx, lshift_value): (Ditto.).
396 2010-04-20 Jan Hubicka <jh@suse.cz>
398 * cgraph.c (cgraph_remove_node): Kill bodies in other partitoin.
399 (dump_cgraph_node): Dump new flags.
400 * cgraph.h (struct cgraph_node): Add flags
401 reachable_from_other_partition and in_other_partition.
402 (cgraph_can_remove_if_no_direct_calls_p): Functions used by
403 other partition can not be removed.
404 * cgraphunit.c (cgraph_mark_functions_to_output): Functions used by
405 the other partition must be output; silence sanity checking on
406 leaking functions bodies from other paritition.
407 * lto-cgraph.c (reachable_from_other_partition_p): New function.
408 (lto_output_node): Output new flags; do not sanity check that inline
409 clones are output; drop lto_forced_extern_inline_p code; do not mock
410 visibility flags at partition boundaries.
411 (add_node_to): New function.
412 (output_cgraph): Use it to sort functions so masters appear before
414 (input_overwrite_node): Input new flags.
415 * passes.c (ipa_write_summaries): Do not call
416 lto_new_extern_inline_states.
417 * lto-section-out.c (forced_extern_inline, lto_new_extern_inline_states,
418 lto_delete_extern_inline_states, lto_force_functions_extern_inline,
419 lto_forced_extern_inline_p): Kill.
420 * lto-streamer.h (lto_new_extern_inline_states,
421 * lto_delete_extern_inline_states, lto_force_functions_extern_inline,
422 lto_forced_extern_inline_p): Kill.
424 2010-04-20 Richard Guenther <rguenther@suse.de>
426 * tree-ssa-structalias.c (do_sd_constraint): Add edges only
427 from vars that can have pointers.
428 (process_constraint): Dump useless constraints.
430 2010-04-20 Richard Guenther <rguenther@suse.de>
432 * tree-ssa-structalias.c (do_structure_copy): Properly handle DEREF.
433 (dump_sa_points_to_info): Remove asserts.
434 (init_base_vars): nothing_id isn't an escape point nor does it
437 2010-04-20 Jakub Jelinek <jakub@redhat.com>
439 * tree.h (TYPE_REF_IS_RVALUE): Define.
440 * dwarf2out.c (attr_checksum_ordered, is_type_die, is_comdat_die,
441 should_move_die_to_comdat, prune_unused_types_walk): Handle
442 DW_TAG_rvalue_reference_type like DW_TAG_reference_type.
443 (modified_type_die, gen_reference_type_die): Emit
444 DW_TAG_rvalue_reference_type instead of DW_TAG_reference_type
445 if TYPE_REF_IS_RVALUE and -gdwarf-4.
447 2010-04-20 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
450 * config/s390/s390.c (s390_emit_call): Turn direct into indirect
451 calls for -fpic -m31 if they have been sibcall optimized.
453 2010-04-19 James E. Wilson <wilson@codesourcery.com>
455 * config/ia64/ia64.h (FIXED_REGISTERS, CALL_USED_REGISTERS): Make
456 ar.lc fixed and call-used.
458 * config/ia64/ia64.c (TARGET_INVALID_WITHIN_DOLOOP): Define.
460 2010-04-19 Jan Hubicka <jh@suse.cz>
462 * opts.c (decode_options): Disable whpr incompatible passes.
463 * lto/lto.c (lto_1_to_1_map): Skip clones.
464 (read_cgraph_and_symbols): Do not mark everything as needed.
465 (do_whole_program_analysis): Do map only after optimizing;
466 set proper cgraph_state; use passmanager.
468 2010-04-19 DJ Delorie <dj@redhat.com>
470 * cfgexpand.c (expand_debug_expr): Check for mismatched modes in
471 POINTER_PLUS_EXPR and fix them.
473 2010-04-19 Eric B. Weddington <eric.weddington@atmel.com>
475 * config/avr/avr-devices.c (avr_mcu_types): Add support for new
476 devices atmega644pa, attiny2313a, attiny24a, attiny261a, attiny4313,
477 attiny44a, attiny861a, atmega16a, atmega168a, atmega164a, atmega165a,
478 atmega169a, atmega169pa, atmega16hva2, atmega324a, atmega324pa,
479 atmega325a, atmega3250a, atmega328, atmega329a, atmega329pa,
480 atmega3290a, atmega48a, atmega644a, atmega645a, atmega645p,
481 atmega6450a, atmega6450p, atmega649a, atmega649p, atmega6490a,
482 atmega6490p, atmega64hve, atmega88a, atmega88pa, attiny461a, attiny84a,
483 m3000. Remove support for devices atmega8m1, atmega8c1, atmega16c1,
484 atmega4hvd, atmega8hvd, attiny327, m3000f, m3000s, m3001b.
485 * config/avr/t-avr.c (MULTILIB_MATCHES): Same.
487 2010-04-19 Eric Botcazou <ebotcazou@adacore.com>
489 * ifcvt.c (noce_try_cmove_arith): Fix long lines.
490 (check_cond_move_block): Likewise.
491 (cond_move_process_if_block): Likewise.
492 (noce_find_if_block): Improve formatting.
493 (find_if_header): Pass 0 to memset and tweak conditions.
494 (cond_exec_find_if_block): Fix long lines and tweak conditions.
496 2010-04-19 Jakub Jelinek <jakub@redhat.com>
498 * dwarf2out.c (lower_bound_default): For DW_LANG_Python return 0
502 * tree-nested.c (convert_nonlocal_omp_clauses): OMP_CLAUSE_PRIVATE
503 with non-local decl doesn't need chain.
505 2010-04-19 Vladimir Makarov <vmakarov@redhat.com>
507 * ira-color.c (allocno_reload_assign): Avoid accumulating
508 reload registers in ALLOCNO_TOTAL_CONFLICT_HARD_REGS.
510 2010-04-19 Martin Jambor <mjambor@suse.cz>
512 * gimple.h (create_tmp_reg): Declare.
513 * gimplify.c (create_tmp_reg): New function.
514 (gimplify_return_expr): Use create_tmp_reg.
515 (gimplify_omp_atomic): Likewise.
516 (gimple_regimplify_operands): Likewise.
517 * tree-dfa.c (make_rename_temp): Likewise.
518 * tree-predcom.c (predcom_tmp_var): Likewise.
519 (reassociate_to_the_same_stmt): Likewise.
520 * tree-sra.c (replace_uses_with_default_def_ssa_name): Likewise.
521 (get_replaced_param_substitute): Likewise.
522 * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
523 * tree-ssa-phiopt.c (cond_store_replacement): Likewise.
524 * tree-ssa-pre.c (get_representative_for): Likewise.
525 (create_expression_by_pieces): Likewise.
526 * tree-tailcall.c (adjust_return_value_with_ops): Likewise.
527 (create_tailcall_accumulator): Likewise.
529 2010-04-19 Martin Jambor <mjambor@suse.cz>
531 * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Update
533 (cgraph_materialize_all_clones): Assert !need_ssa_update_p.
535 2010-04-19 Richard Guenther <rguenther@suse.de>
537 PR tree-optimization/43796
538 * tree-vrp.c (adjust_range_with_scev): Lookup init and step
539 from SCEV in the lattice.
540 (vrp_visit_phi_node): Dump change.
542 2010-04-19 Richard Guenther <rguenther@suse.de>
544 * configure.ac: Fix quoting around elf_getshstrndx ABI check.
545 * configure: Re-generated.
547 2010-04-19 Richard Guenther <rguenther@suse.de>
549 PR tree-optimization/43783
550 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Drop
551 constant ARRAY_REF operands two and three if possible.
553 2010-04-19 Uros Bizjak <ubizjak@gmail.com>
556 * config/i386/i386.c (ix86_decompose_address): Handle ASHIFT addends.
558 2010-04-19 Jie Zhang <jie@codesourcery.com>
561 * reginfo.c (reinit_regs): Set caller_save_initialized_p to false.
563 2010-04-19 Ira Rosen <irar@il.ibm.com>
565 PR tree-optimization/37027
566 * tree-vectorizer.h (struct _loop_vec_info): Add new field reductions
567 and macro to access it.
568 (vectorizable_reduction): Add argument.
569 (vect_get_slp_defs): Likewise.
570 * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Collect reduction
571 statements for possible use in SLP.
572 (new_loop_vec_info): Initialize LOOP_VINFO_REDUCTIONS.
573 (destroy_loop_vec_info): Free LOOP_VINFO_REDUCTIONS.
574 (vect_create_epilog_for_reduction): Handle SLP. Modify documentation,
576 (vectorizable_reduction): Likewise.
577 * tree-vect-stmts.c (vect_get_vec_defs): Update call to
579 (vectorizable_type_demotion, vectorizable_type_promotion,
580 vectorizable_store): Likewise.
581 (vect_analyze_stmt): Update call to vectorizable_reduction.
582 (vect_transform_stmt): Likewise.
583 * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle reduction.
584 (vect_build_slp_tree): Fix indentation. Check that there are no loads
585 from different interleaving chains in same node.
586 (vect_slp_rearrange_stmts): New function.
587 (vect_supported_load_permutation_p): Allow load permutations for
588 reductions. Call vect_slp_rearrange_stmts() to rearrange statements
589 inside SLP nodes if necessary.
590 (vect_analyze_slp_instance): Handle reductions.
591 (vect_analyze_slp): Try to build SLP instances originating from groups
593 (vect_detect_hybrid_slp_stmts): Skip reduction statements.
594 (vect_get_constant_vectors): Create initial vectors for reductions
595 according to reduction code. Add new argument.
596 (vect_get_slp_defs): Add new argument, pass it to
597 vect_get_constant_vectors.
598 (vect_schedule_slp_instance): Remove SLP tree root statements.
600 2010-04-19 Jakub Jelinek <jakub@redhat.com>
602 * tree.h (ENUM_IS_SCOPED): Define.
603 * dwarf2out.c (gen_enumeration_type_die): Add DW_AT_enum_class
604 for ENUM_IS_SCOPED enums.
606 2010-04-18 Eric Botcazou <ebotcazou@adacore.com>
608 * fold-const.c (fold_comparison): Use ssizetype.
609 * gimple-fold.c (maybe_fold_offset_to_array_ref): Likewise.
610 * ipa-prop.c (ipa_modify_call_arguments): Use sizetype.
611 * tree-loop-distribution.c (build_size_arg_loc): Likewise.
612 * tree-object-size.c (compute_object_sizes): Use size_type_node.
614 * tree.h (initialize_sizetypes): Remove parameter.
615 (build_common_tree_nodes): Remove second parameter.
616 * stor-layout.c (initialize_sizetypes): Remove parameter.
617 Always create an unsigned type.
618 (set_sizetype): Assert that the passed type is unsigned and simplify.
619 * tree.c (build_common_tree_nodes): Remove second parameter.
620 Adjust call to initialize_sizetypes.
621 * c-decl.c (c_init_decl_processing): Remove second argument in call to
622 build_common_tree_nodes.
624 2010-04-18 Matthias Klose <doko@ubuntu.com>
626 * gcc.c (main): Search for liblto_plugin.so with mode R_OK.
628 2010-04-18 Ira Rosen <irar@il.ibm.com>
630 PR tree-optimization/43771
631 * tree-vect-slp.c (vect_supported_load_permutation_p): Check that
632 load permutation doesn't have gaps.
634 2010-04-18 Jan Hubicka <jh@suse.cz>
636 * i386.md (UNSPEC_SSE_PROLOGUE_SAVE_LOW): New.
637 (sse_prologue_save_insn expander): Use new pattern.
638 (sse_prologue_save_insn1): New pattern and splitter.
639 (sse_prologue_save_insn): Update to deal also with 64bit aligned
641 * i386.c (setup_incoming_varargs_64): Do not compute jump
643 (ix86_gimplify_va_arg): Update alignment needed.
644 (ix86_local_alignment): Do not align all local arrays to 128bit.
646 2010-04-17 Jan Hubicka <jh@suse.cz>
648 * ipa-inline.c (cgraph_early_inlining): Handle flattening too.
650 2010-04-17 Richard Earnshaw <rearnsha@arm.com>
652 * arm.md (negdi2): Remove redundant code to force values into a
655 2010-04-17 Richard Earnshaw <rearnsha@arm.com>
657 * arm/bpabi.S: Add EABI alignment attributes to objects.
658 * arm/bpabi-v6m.S: Likewise.
659 * arm/crti.asm: Likewise.
660 * arm/crtn.asm: Likewise.
661 * arm/lib1funcs.asm: Likewise.
662 * arm/libunwind.S: Likewise.
664 2010-04-17 Richard Earnshaw <rearnsha@arm.com>
666 * arm-protos.h (tune_params): New structure.
667 * arm.c (current_tune): New variable.
668 (arm_constant_limit): Delete.
669 (struct processors): Add pointer to the tune parameters.
670 (arm_slowmul_tune): New tuning option.
671 (arm_fastmul_tune, arm_xscale_tune, arm_9e_tune): Likewise.
672 (all_cores): Adjust to pick up the tuning model.
673 (arm_constant_limit): New function.
674 (arm_override_options): Select the appropriate tuning model. Delete
675 initialization of arm_const_limit.
676 (arm_split_constant): Use the new constant-limit model.
677 (arm_rtx_costs): Pick up the current tuning model.
678 * arm.md (is_strongarm, is_xscale): Delete.
679 * arm-generic.md (load_ldsched_x, load_ldsched): Test explicitly
680 for Xscale variant architectures.
681 (mult_ldsched_strongarm, mult_ldsched): Similarly for StrongARM.
683 2010-04-17 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
685 * config/arm/arm.c (arm_gen_constant): Remove unused variable
687 (arm_rtx_costs_1): Remove unused variable extra_cost.
688 (arm_unwind_emit_set): Use variable offset.
689 (thumb1_output_casesi): Remove unused variable flags.
691 2010-04-16 Jeff Law <law@redhat.com>
693 * ira-color.c (ira_reassign_pseudos): Collect and sort all the pseudos
694 needing assignment rather than doing a two-phase assignment. Remove
697 2010-04-16 Jakub Jelinek <jakub@redhat.com>
700 * alias.c (memrefs_conflict_p): Don't crash if CSELIB_VAL_PTR is NULL.
702 2010-04-16 Doug Kwan <dougkwan@google.com>
704 * tree-ssa-reassoc.c (struct operand_entry): Add new field ID.
705 (next_operand_entry_id): New static variable.
706 (sort_by_operand_rank): Stabilize qsort comparator by using unique IDs.
707 (add_to_ops_vec): Assigned unique ID to operand entry.
708 (struct oecount_s): New field ID.
709 (oecount_cmp): Stabilize qsort comparotor by using unique IDs.
710 (undistribute_ops_list): Assign unique IDs to oecounts.
711 (init_reassoc): reset next_operand_entry_id.
713 2010-04-16 Doug Kwan <dougkwan@google.com>
715 * config/i386/i386.md (*jcc_bt<mode>): Fix build breakage by adding
716 missing left parenthesis.
718 2010-04-16 Uros Bizjak <ubizjak@gmail.com>
720 * config/i386/i386.md (*bt<mode>): Macroize insn from *btsi and
721 *btdi_rex64 using SWI48 mode iterator.
722 (*jcc_bt<mode>): Ditto from *jcc_btsi and *jcc_btdi_rex64.
723 (*jcc_bt<mode>_mask): Ditto from *jcc_btsi_mask and
724 *jcc_btdi_mask_rex64.
726 2010-04-16 Anatoly Sokolov <aesok@post.ru>
728 * double-int.h (tree_to_double_int): Convert to macro.
729 * double-int.c (tree_to_double_int): Remove.
731 2010-04-16 Jakub Jelinek <jakub@redhat.com>
734 * dwarf2out.c (add_bound_info): Always call loc_list_from_tree
735 with want_address 2 and in case a single element list might be
736 possible, call it again with want_address 0.
738 2010-04-12 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
740 * config/h8300/h8300.c (print_operand) : Modify case 'V' and
741 case 'W' print operands for HI mode.
742 * config/h8300/h8300.h (Y0, Y2) : New constraints.
743 * config/h8300/h8300.md (bclrqi_msx, bclrhi_msx): New patterns
744 (bsetqi_msx, bsethi_msx, bnotqi_msx, bnothi_msx): Likewise.
745 * config/h8300/predicate.md (bit_register_indirect_operand): New.
747 * config/h8300/h8300.h (OK_FOR_U): Support 'U' constraint for H8300SX.
749 * config/h8300/h8300.md (movqi_h8sx, movhi_h8sx, movsi_h8sx,
750 cmphi_h8300hs_znvc, cmpsi, addhi3_h8sx) : Emit instructions in
751 #xx:3 and #xx:4 mode.
753 * config/h8300/h8300.md (inverted load with HImode dest): Add
756 * config/h8300/predicate.md (bit_operand): Allow immediate values that
757 satisfy 'U' constraint.
759 2010-04-16 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
761 * configure.ac: Check for elf_getshdrstrndx or elf_getshstrndx flavor.
762 * configure: Regenerate.
763 * config.in: Regenerate.
764 * doc/install.texi (Prerequisites): Document that Solaris 2 libelf
767 2010-04-16 Richard Guenther <rguenther@suse.de>
769 * tree.h (struct tree_decl_minimal): Move pt_uid ...
770 (struct tree_decl_common): ... here.
771 (DECL_PT_UID): Adjust.
772 (SET_DECL_PT_UID): Likewise.
773 (DECL_PT_UID_SET_P): Likewise.
775 2010-04-16 Richard Guenther <rguenther@suse.de>
777 PR tree-optimization/43572
778 * tree-ssa-alias.h (call_may_clobber_ref_p): Declare.
779 * tree-ssa-alias.c (call_may_clobber_ref_p): Export.
780 * tree-flow.h (is_call_clobbered): Remove.
781 * tree-flow-inline.h (is_call_clobbered): Likewise.
782 * tree-dfa.c (dump_variable): Do not dump call clobber state.
783 * tree-nrv.c (dest_safe_for_nrv_p): Use the alias oracle.
784 (execute_return_slot_opt): Adjust.
785 * tree-tailcall.c (suitable_for_tail_opt_p): Remove
786 check for call clobbered vars here.
787 (find_tail_calls): Move tailcall verification to the
790 2010-04-16 Diego Novillo <dnovillo@google.com>
792 * doc/invoke.texi: Explain how are unrecognized -Wno- warnings handled.
794 2010-04-16 Bernd Schmidt <bernds@codesourcery.com>
797 * config/arm/arm.md (cbranchqi4): New pattern.
798 * config/arm/predicates.md (const0_operand,
799 cbranchqi4_comparison_operator): New predicates.
801 2010-04-16 Richard Guenther <rguenther@suse.de>
803 * gimple-pretty-print.c (dump_gimple_phi): Dump alias info.
804 (dump_gimple_stmt): Likewise.
806 2010-04-16 Bernd Schmidt <bernds@codesourcery.com>
808 * recog.h (struct recog_data): New field is_operator.
809 (struct insn_operand_data): New field is_operator.
810 * recog.c (extract_insn): Set recog_data.is_operator.
811 * genoutput.c (output_operand_data): Emit code to set the
813 * reload.c (find_reloads): Use it rather than testing for an
814 empty constraint string.
817 * config/arm/arm.md (cbranchsi4_insn): Renamed from "*cbranchsi4_insn".
818 If the previous insn is a cbranchsi4_insn with the same arguments,
819 omit the compare instruction.
821 * config/arm/arm.md (addsi3_cbranch): If destination is a high
822 register, inputs must be low registers and we need a low register
823 scratch. Handle alternative 2 like alternative 3.
825 2010-04-16 Jakub Jelinek <jakub@redhat.com>
827 * alias.c (memrefs_conflict_p): If x and y are the same VALUE,
828 don't call get_addr on both. If one expression is a VALUE and
829 the other a REG, check VALUE's locs if the REG isn't among them.
831 2010-04-16 Christian Bruel <christian.bruel@st.com>
833 * config/sh/sh.h (sh_frame_pointer_required): New function.
834 * config/sh/sh.h (TARGET_FRAME_POINTER_REQUIRED): New macro.
835 (flag_omit_frame_pointer) Set.
836 (MASK_ACCUMULATE_OUTGOING_ARGS) Define and Set.
837 (rounded_frame_size): Adjust size with outgoing_args_size.
838 (sh_set_return_address): Must return from stack pointer.
839 * gcc/config/sh/sh.h (CAN_DEBUG_WITHOUT_FP): Define.
840 (SUBTARGET_FRAME_POINTER_REQUIRED): Define.
841 (ACCUMULATE_OUTGOING_ARGS): Define.
842 * doc/invoke.texi (maccumulate-outgoing-args): Document for SH.
843 * gcc/config/sh/sh.opt: (maccumulate-outgoing-args): New option.
845 2010-04-15 Kaz Kojima <kkojima@gcc.gnu.org>
848 * config/sh/sh.c (sh_legitimize_reload_address): Use
849 MAYBE_BASE_REGISTER_RTX_P instead of BASE_REGISTER_RTX_P.
850 Remove a unneeded check for offset_base.
852 2010-04-15 H.J. Lu <hongjiu.lu@intel.com>
854 * configure: Regenerated.
856 2010-04-15 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
858 * config/s390/s390.c (s390_call_save_register_used): Switch back
861 2010-04-15 Richard Guenther <rguenther@suse.de>
863 * alias.c (alias_set_subset_of): Handle alias-set zero
866 2010-04-15 Mark Shinwell <shinwell@codesourcery.com>
867 Julian Brown <julian@codesourcery.com>
869 * config/arm/thumb2.md (thumb2_movsi_insn): Split ldr and str
870 alternatives according to use of high and low regs.
871 * config/arm/vfp.md (thumb2_movsi_vfp): Likewise.
872 * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Use high regs when
873 optimizing for size on Thumb-2.
875 2010-04-15 Thomas Schwinge <tschwinge@gnu.org>
877 * config.gcc <i[34567]86-*-gnu*>: Handle softfp as for Linux.
879 2010-04-15 Richard Guenther <rguenther@suse.de>
881 * tree-ssa-structalias.c (struct variable_info): Add
883 (new_var_info): Initialize it.
884 (dump_constraints): Support printing last added constraints.
885 (debug_constraints): Adjust.
886 (dump_constraint_graph): Likewise.
887 (make_heapvar_for): Check for NULL cfun.
888 (get_function_part_constraint): New function.
889 (get_fi_for_callee): Likewise.
890 (find_func_aliases): Properly implement IPA PTA constraints.
891 (process_ipa_clobber): New function.
892 (find_func_clobbers): Likewise.
893 (insert_into_field_list_sorted): Remove.
894 (create_function_info_for): Properly allocate vars for IPA mode.
895 Do not use insert_into_field_list_sorted.
896 (create_variable_info_for): Properly generate constraints for
897 global vars in IPA mode.
898 (dump_solution_for_var): Always dump the solution.
899 (set_uids_in_ptset): Initialize DECL_PT_UID if in ipa-mode.
900 (find_what_var_points_to): Adjust.
901 (pt_solution_set): Change.
902 (pt_solution_ior_into): New function.
903 (pt_solution_empty_p): Export.
904 (pt_solution_includes_global): Adjust.
905 (pt_solution_includes_1): Likewise.
906 (pt_solutions_intersect_1): Likewise.
907 (dump_sa_points_to_info): Check some invariants.
908 (solve_constraints): Move constraint dumping ...
909 (compute_points_to_sets): ... here.
910 (ipa_pta_execute): ... and here.
911 (compute_may_aliases): Do not re-compute points-to info
912 locally if IPA info is available.
913 (ipa_escaped_pt): New global var.
914 (ipa_pta_execute): Properly implement IPA PTA.
915 * tree-into-ssa.c (dump_decl_set): Support dumping
916 decls not in referenced-vars.
917 * tree-flow.h (struct gimple_df): Add ipa_pta flag.
918 * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Adjust.
919 (dump_points_to_solution): Likewise.
920 * tree-dfa.c (dump_variable): Also dump DECL_PT_UID.
921 * tree-inline.c (remap_ssa_name): Copy IPA points-to solution.
922 (remap_gimple_stmt): Reset call clobber/use information if necessary.
923 (copy_decl_to_var): Copy DECL_PT_UID.
924 (copy_result_decl_to_var): Likewise.
925 * tree.c (make_node_stat): Initialize DECL_PT_UID.
926 (copy_node_stat): Copy it.
927 * tree.h (DECL_PT_UID): New macro.
928 (SET_DECL_PT_UID): Likewise.
929 (DECL_PT_UID_SET_P): Likewise.
930 (struct tree_decl_minimal): Add pt_uid member.
931 * tree-ssa-alias.h (struct pt_solution): Add ipa_escaped flag.
932 (pt_solution_empty_p): Declare.
933 (pt_solution_set): Adjust.
934 (ipa_escaped_pt): Declare.
935 * cfgexpand.c (update_alias_info_with_stack_vars): Adjust.
936 * gimple-pretty-print.c (pp_points_to_solution): New function.
937 (dump_gimple_call): Dump call clobber/use information.
938 * tree-dump.c (dump_option_value_in): Add TDF_ALIAS entry.
939 * tree-pass.h (TDF_ALIAS): New dump option.
940 * tree-pretty-print.c (dump_decl_name): Dump DECL_PT_UID if asked to.
941 * doc/invoke.texi (-fipa-pta): Update documentation.
943 2010-04-15 Richard Guenther <rguenther@suse.de>
945 * Makefile.in (OBJS-common): Add gimple-fold.o.
946 (gimple-fold.o): New rule.
947 * tree.h (maybe_fold_offset_to_reference,
948 maybe_fold_offset_to_address, maybe_fold_stmt_addition): Move
950 * gimple.h: ... here.
951 * tree-flow.h (fold_stmt, fold_stmt_inplace, get_symbol_constant_value,
952 may_propagate_address_into_dereference): Move prototypes ...
953 * gimple.h: ... here.
954 * tree-ssa-ccp.c (get_symbol_constant_value,
955 may_propagate_address_into_dereference, maybe_fold_offset_to_array_ref,
956 maybe_fold_offset_to_component_ref, maybe_fold_offset_to_reference,
957 maybe_fold_offset_to_address, maybe_fold_stmt_indirect,
958 maybe_fold_stmt_addition, maybe_fold_reference, get_maxval_strlen,
959 ccp_fold_builtin, fold_gimple_assign, fold_gimple_cond,
960 fold_gimple_call, fold_stmt_1, fold_stmt, fold_stmt_inplace,
961 gimplify_and_update_call_from_tree): Move ...
962 * gimple-fold.c: ... here. New file.
963 (ccp_fold_builtin): Rename to ...
964 (gimple_fold_builtin): ... this.
965 * tree-ssa-ccp.c (execute_fold_all_builtins): Adjust.
967 2010-04-15 Richard Guenther <rguenther@suse.de>
969 * fold-const.c (LOWPART, HIGHPART, BASE, encode, decode,
970 fit_double_type, force_fit_type_double, add_double_with_sign,
971 neg_double, mul_double_with_sign, lshift_double, rshift_double,
972 lrotate_double, rrotate_double, div_and_round_double): Move ...
973 * double-int.c: ... here.
974 * tree.h (force_fit_type_double, fit_double_type, add_double_with_sign,
975 add_double, neg_double, mul_double_with_sign, mul_double,
976 lshift_double, rshift_double, lrotate_double, rrotate_double,
977 div_and_round_double): Move prototypes ...
978 * double-int.h: ... here.
980 2010-04-15 Bernd Schmidt <bernds@codesourcery.com>
983 * config/sh/sh.md (doloop_end_split, dect): Undo previous patch. Use
984 matching constraints to ensure inputs match the output.
986 2010-04-15 Kaz Kojima <kkojima@gcc.gnu.org>
989 * config/sh/sh.md (doloop_end_split): Remove "+r" constraint
990 in an input-only operand.
992 2010-04-15 Anatoly Sokolov <aesok@post.ru>
994 * double-int.h (HOST_BITS_PER_DOUBLE_INT): Define.
995 (double_int_not, double_int_lshift, double_int_rshift): Declare.
996 (double_int_negative_p): Convert to static inline function.
997 * double-int.c (double_int_lshift, double_int_lshift): Add new function.
998 (double_int_negative_p): Remove.
999 * tree.h (lshift_double, rshift_double):
1000 * tree.c (build_low_bits_mask): Clean up, use double_int_* functions.
1001 * fold-const.c (fold_convert_const_int_from_real,
1002 fold_convert_const_int_from_fixed, div_if_zero_remainder): (Ditto.).
1003 (lshift_double): Change type of arith argument to bool.
1004 (rshift_double): Change type of arith argument to bool. Correct
1006 * expmed.c (mask_rtx, lshift_value): (Ditto.).
1008 2010-04-14 Bernd Schmidt <bernds@codesourcery.com>
1011 * ifcvt.c (cond_exec_process_if_block): Look for identical sequences
1012 at the start and end of the then/else blocks, and omit them from the
1014 * cfgcleanup.c (flow_find_cross_jump): No longer static. Remove MODE
1015 argument; all callers changed. Pass zero to old_insns_match_p instead.
1016 (flow_find_head_matching_sequence): New function.
1017 (old_insns_match_p): Check REG_EH_REGION notes for calls.
1018 * basic-block.h (flow_find_cross_jump,
1019 flow_find_head_matching_sequence): Declare functions.
1021 2010-04-14 Jason Merrill <jason@redhat.com>
1024 * c-common.c (attribute_takes_identifier_p): New fn.
1025 * c-common.h: Declare it.
1027 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
1029 * config/i386/i386.md (*divmod<mode>4): Remove stray "&&" from
1031 (*udivmod<mode>4): Ditto.
1033 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
1035 * config/i386/i386.md (maxmin_int): Rename code attribute from
1036 maxminiprefix and update all users.
1037 (maxmin_float): Ditto from maxminfprefix.
1038 (logic): Ditto from logicprefix.
1039 (absneg_mnemonic): Ditto from absnegprefix.
1040 * config/i386/mmx.md: Update all users of maxminiprefix,
1041 maxminfprefix and logicprefix for rename.
1042 * config/i386/sse.md: Ditto.
1043 * config/i386/sync.md (sync_<code><mode>): Update for
1046 2010-04-14 Manuel López-Ibáñez <manu@gcc.gnu.org>
1049 * diagnostics.c (diagnostic_report_diagnostic): Mark specially
1050 warnings converted to errors.
1052 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
1054 * config/alpha/alpha.c (alpha_adjust_cost): Remove set but not
1055 used insn_type variable.
1056 (function_value): Add ATTRIBUTE_UNUSED to dummy variable declaration
1057 to avoid set-but-not-used warning.
1059 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
1061 * df-core.c (df_ref_debug): Change format string placeholder
1063 * dwarf2asm.c (dw2_asm_output_data_raw,
1064 dw2_asm_output_data_uleb128_raw, dw2_asm_output_data_uleb128,
1065 dw2_asm_output_data_sleb128_raw, dw2_asm_output_data_sleb128): Ditto.
1066 * dwarf2out.c (output_cfi, output_cfi_directive,
1067 dwarf2out_do_cfi_startproc, output_loc_sequence_raw,
1068 output_cfa_loc_raw, output_die, output_ranges, output_file_names):
1070 * genattrtab.c (write_test_expr, write_attr_valueq): Ditto.
1071 * print-rtl.c (print_rtx): Ditto.
1073 2010-04-14 Michael Meissner <meissner@linux.vnet.ibm.com>
1076 * builtins.c (expand_builtin_pow_root): New function to expand pow
1077 calls with exponents 0.25, 0.50, 0.75, 1./3., and 1./6. into a
1078 series of sqrt and cbrt calls under -ffast-math.
1079 (expand_builtin_pow): Call it.
1081 2010-04-14 Michael Matz <matz@suse.de>
1083 PR tree-optimization/42963
1084 * tree-cfg.c (touched_switch_bbs): New static variable.
1085 (group_case_labels_stmt): New function broken out from ...
1086 (group_case_labels): ... here, use the above.
1087 (start_recording_case_labels): Allocate touched_switch_bbs.
1088 (end_recording_case_labels): Deallocate it, call
1089 group_case_labels_stmt.
1090 (gimple_redirect_edge_and_branch): Remember index of affected BB.
1092 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
1094 * config/i386/i386.md (*popcountsi2_cmp_zext): Remove mode attribute
1097 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
1099 * config/i386/i386.md (*ashlqi3_1_slp): New insn pattern.
1101 2010-04-13 Jan Hubicka <jh@suse.cz>
1103 * ipa-inline.c (cgraph_mark_inline_edge): Avoid double accounting
1104 of optimized out static functions.
1105 (cgraph_edge_badness): Add DUMP parameter and dump reasons for the
1106 cost computation. Also sanity check for overflows.
1107 (update_caller_keys): Update cgraph_edge_badness call; properly
1108 update fibheap and sanity check that it is up to date.
1109 (add_new_edges_to_heap): Update cgraph_edge_badness.
1110 (cgraph_decide_inlining_of_small_function): Likewise;
1111 add sanity checking that badness in heap is up to date;
1112 improve dumping of reason; Update badness of calls to the
1113 offline copy of function currently inlined; dump badness
1114 of functions not inlined because of unit growth limits.
1116 2010-04-13 Eric Botcazou <ebotcazou@adacore.com>
1119 * c-common.c (pointer_int_sum): Disregard overflow that occured only
1120 because of sign-extension change when converting to sizetype here...
1121 * fold-const.c (fold_convert_const_int_from_int): ...and not here.
1123 * fold-const.c (fold_binary_op_with_conditional_arg): Do not restrict
1124 the folding to constants. Remove redundant final conversion.
1125 (fold_binary) <associate>: Do not associate if the re-association of
1126 constants alone overflows.
1127 (fold_binary) <FLOOR_MOD_EXPR>: Move transformation into BIT_AND_EXPR
1128 to the end of the list.
1129 (multiple_of_p) <COND_EXPR>: New case.
1131 2010-04-13 Manuel López-Ibáñez <manu@gcc.gnu.org>
1133 * opt-functions.awk (opt_sanitized_name): New.
1135 * optc-gen.awk: Use it
1136 * opth-gen.awk: Use it.
1138 2010-04-13 Martin Jambor <mjambor@suse.cz>
1140 * tree-sra.c (replace_uses_with_default_def_ssa_name): New function.
1141 (sra_modify_assign): Delete stmts loading dead data even if racc has no
1142 children. Call replace_uses_with_default_def_ssa_name to handle
1145 2010-04-13 Michael Matz <matz@suse.de>
1148 * builtins.c (expand_builtin_interclass_mathfn): Also create
1149 a register if the predicate doesn't match.
1151 2010-04-13 Diego Novillo <dnovillo@google.com>
1153 * Makefile.in (c-pch.o, ggc-common.o): Depend on timevar.h.
1154 * c-pch.c: Include timevar.h.
1155 (c_common_write_pch): Use TV_PCH_SAVE and TV_PCH_CPP_SAVE timers.
1156 (c_common_read_pch): Use TV_PCH_RESTORE and TV_PCH_CPP_RESTORE timers.
1157 * ggc-common.c: Include timevar.h.
1158 (gt_pch_save): Use TV_PCH_PTR_REALLOC and TV_PCH_PTR_SORT timers.
1159 * timevar.def (TV_PCH_SAVE): Define.
1160 (TV_PCH_CPP_SAVE): Define.
1161 (TV_PCH_PTR_REALLOC): Define.
1162 (TV_PCH_PTR_SORT): Define.
1163 (TV_PCH_RESTORE): Define.
1164 (TV_PCH_CPP_RESTORE): Define.
1166 2010-04-13 Michael Matz <matz@suse.de>
1168 * tree-ssa-reassoc.c (repropagate_negates): Merge negates also
1170 (can_reassociate_p): New function.
1171 (break_up_subtract_bb, reassociate_bb): Use it.
1173 2010-04-13 Richard Guenther <rguenther@suse.de>
1176 * builtins.c (c_readstr): Fix assert.
1178 2010-04-13 Uros Bizjak <ubizjak@gmail.com>
1180 * config/i386/i386.md (extendsidi2 splitter): Also check for DX_REG
1181 when generating cltd insn.
1183 (*ashl<mode>3_1): Remove special handling for register operand 2.
1184 (*ashlsi3_1_zext): Ditto.
1185 (*ashlhi3_1): Ditto.
1186 (*ashlhi3_1_lea): Ditto.
1187 (*ashlqi3_1): Ditto.
1188 (*ashlqi3_1_lea): Ditto.
1189 (*<shiftrt_insn><mode>3_1): Ditto.
1190 (*<shiftrt_insn>si3_1_zext): Ditto.
1191 (*<shiftrt_insn>qi3_1_slp): Ditto.
1192 (*<rotate_insn><mode>3_1): Ditto.
1193 (*<rotate_insn>si3_1_zext): Ditto.
1194 (*<rotate_insn>qi3_1_slp): Ditto.
1196 2010-04-13 Richard Guenther <rguenther@suse.de>
1198 * tree-ssa-structalias.c (callused_id): Remove.
1199 (call_stmt_vars): New.
1200 (get_call_vi): Likewise.
1201 (lookup_call_use_vi): Likewise.
1202 (lookup_call_clobber_vi): Likewise.
1203 (get_call_use_vi): Likewise.
1204 (get_call_clobber_vi): Likewise.
1205 (make_transitive_closure_constraints): Likewise.
1206 (handle_const_call): Adjust to do per-call call-used handling.
1207 (handle_pure_call): Likewise.
1208 (find_what_var_points_to): Remove general callused handling.
1209 (init_base_vars): Likewise.
1210 (init_alias_vars): Initialize call_stmt_vars.
1211 (compute_points_to_sets): Process call-used and call-clobbered
1212 vars for call statements.
1213 (delete_points_to_sets): Free call_stmt_vars.
1215 2010-04-13 Richard Guenther <rguenther@suse.de>
1217 * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
1218 Only add RW dependence for dependence distance zero.
1219 Adjust maximal vectorization factor according to dependences.
1220 Move alignment handling ...
1221 (vect_find_same_alignment_drs): ... here. New function.
1222 (vect_analyze_data_ref_dependences): Adjust.
1223 (vect_analyze_data_refs_alignment): Call vect_find_same_alignment_drs.
1224 (vect_analyze_data_refs): Adjust minimal vectorization factor
1225 according to data references.
1226 * tree-vect-loop.c (vect_analyze_loop): Analyze data-ref
1227 dependences before determining the vectorization factor.
1228 Analyze alignment after determining the vectorization factor.
1229 * tree-vect-slp.c ((vect_slp_analyze_bb): Analyze data-ref
1230 dependences before alignment.
1231 * tree-vectorizer.h (vect_analyze_data_ref_dependences):
1233 (vect_analyze_data_refs): Likewise.
1234 (MAX_VECTORIZATION_FACTOR): New define.
1236 2010-04-13 Duncan Sands <baldrick@free.fr>
1238 * except.h (lang_eh_type_covers): Remove.
1239 * except.c (lang_eh_type_covers): Likewise.
1241 2010-04-13 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1242 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1244 * gcc/config/s390/s390.md: Replace TARGET_64BIT with TARGET_ZARCH.
1245 * gcc/config/s390/s390.c: Replace UNTIS_PER_WORD with
1246 UNITS_PER_LONG where it is ABI relevant.
1247 (s390_return_addr_rtx): Likewise.
1248 (s390_back_chain_rtx): Likewise.
1249 (s390_frame_area): Likewise.
1250 (s390_frame_info): Likewise.
1251 (s390_initial_elimination_offset): Likewise.
1252 (save_gprs): Likewise.
1253 (s390_emit_prologue): Likewise.
1254 (s390_emit_epilogue): Likewise.
1255 (s390_function_arg_advance): Likewise.
1256 (s390_function_arg): Likewise.
1257 (s390_va_start): Likewise.
1258 (s390_gimplify_va_arg): Likewise.
1259 (s390_function_profiler): Likewise.
1260 (s390_optimize_prologue): Likewise.
1261 (s390_rtx_costs): Likewise.
1262 (s390_secondary_reload): Likewise.
1263 (s390_promote_function_mode): Likewise.
1264 (s390_hard_regno_mode_ok): Replace TARGET_64BIT with TARGET_ZARCH.
1265 (s390_scalar_mode_supported_p): Disallow TImode if no 64 bit
1266 registers available.
1267 (s390_unwind_word_mode): New function.
1268 (s390_function_value): Split 64 bit values into register pair if
1269 used as return value.
1270 (s390_call_saved_register_used): Don't use HARD_REGNO_NREGS for
1271 function call parameters. Handle parallels.
1272 (TARGET_SCALAR_MODE_SUPPORTED_P): New macro.
1273 (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
1274 (DWARF_CIE_DATA_ALIGNMENT): New macro.
1275 (s390_expand_setmem): Remove unused variable src_addr.
1276 * gcc/longlong.h: Make smul_ppmm and sdiv_qrnnd inline asms to
1277 deal with 64 bit registers.
1278 * gcc/config/s390/s390.h: Define __zarch__ predefined macro.
1279 Replace UNITS_PER_WORD with UNITS_PER_LONG where it is ABI relevant.
1280 (UNITS_PER_LONG): New macro.
1281 * libjava/include/s390-signal.h: Define extended ucontext
1282 structure containing the upper halfs of the 64 bit registers.
1284 2010-04-13 Simon Baldwin <simonb@google.com>
1286 * cfgexpand.c (gimple_expand_cfg): Clarify warning message text.
1288 2010-04-13 Eric Botcazou <ebotcazou@adacore.com>
1290 * gimple.c (walk_gimple_op) <GIMPLE_ASSIGN>: Do not request a pure
1291 rvalue on the RHS if the LHS is of a non-renamable type.
1292 * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Fold result.
1294 2010-04-13 Matthias Klose <doko@ubuntu.com>
1296 * gcc.c (cc1_options): Handle -iplugindir before processing
1297 the cc1 spec. Only add -iplugindir once.
1298 (cpp_unique_options): Add -iplugindir option if -fplugin* options
1300 * common.opt (iplugindir): Remove `Separate' property, initialize.
1301 * plugin.c (default_plugin_dir_name): Error with missing -iplugindir
1303 * Makefile.in (check-%, check-parallel-%): Create plugin dir.
1304 (distclean): Remove plugin dir.
1305 * doc/invoke.texi: Document -iplugindir.
1307 2010-04-13 Basile Starynkevitch <basile@starynkevitch.net>
1309 * doc/plugins.texi (Loading Plugins): Document short
1310 -fplugin=foo option.
1311 (Plugin API): Mention default_plugin_dir_name function.
1313 * gcc.c (find_file_spec_function): Add new declaration.
1314 (static_spec_func): Use it for "find-file".
1315 (find_file_spec_function): Add new function.
1316 (cc1_options): Add -iplugindir option if -fplugin* options found.
1318 * gcc-plugin.h (default_plugin_dir_name): Added new declaration.
1320 * plugin.c (add_new_plugin): Updated comment, and handle short
1322 (default_plugin_dir_name): Added new function.
1324 * common.opt (iplugindir): New option to set the plugin directory.
1326 2010-04-12 Uros Bizjak <ubizjak@gmail.com>
1328 * config/i386/i386.md (any_rotate): New code iterator.
1329 (rotate_insn): New code attribute.
1331 (SWIM124): New mode iterator.
1332 (<rotate_insn>ti3): New expander.
1333 (<rotate_insn>di3): Macroize expander from {rotl,rotr}di3 using
1334 any_rotate code iterator.
1335 (<rotate_insn><mode>3) Macroize expander from {rotl,rotr}{qi,hi,si}3
1336 using any_rotate code iterator and SWIM124 mode iterator.
1337 (ix86_rotlti3): New insn_and_split pattern.
1338 (ix86_rotrti3): Ditto.
1339 (ix86_rotl<dwi>3_doubleword): Macroize insn_and_split pattern from
1340 ix86_rotl{di,ti}3 patterns.
1341 (ix86_rotr<dwi>3_doubleword): Ditto from ix86_rotr{di,ti}3 patterns.
1342 (*<rotate_insn><mode>3_1): Merge with *{rotl,rotr}{qi,hi,si}3_1_one_bit
1343 and *{rotl,rotr}di3_1_one_bit_rex64. Macroize insn from
1344 *{rotl,rotr}{qi,hi,si}3_1 and *{rotl,rotr}di3_1_rex64 using any_rotate
1345 code iterator and SWI mode iterator.
1346 (*<rotate_insn>si3_1_zext): Merge with *{rotl,rotr}si3_1_one_bit_zext.
1347 Macroize insn from {rotl,rotr}si3_1_zext using any_rotate
1349 (*<rotate_insn>qi3_1_slp): Merge with *{rotl,rotr}qi3_1_one_bit_slp.
1350 Macroize insn from {rotl,rotr}qi3_1_slp using any_rotate code iterator.
1351 (bswap rotatert splitter): Add splitter.
1352 (bswap splitter): Macroize splitter using any_rotate code iterator.
1353 Add insn predicate to split only for TARGET_USE_XCHGB or when
1354 optimizing function for size.
1356 2010-04-12 Steve Ellcey <sje@cup.hp.com>
1358 * config/pa/pa.c (emit_move_sequence): Remove use of
1359 deleted variable flag_argument_noalias.
1361 2010-04-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1363 * config.gcc: Removed *-*-solaris2.7* from list of obsolete
1365 Add to unsupported targets list.
1366 * configure.ac (gcc_cv_as_tls): Removed i[34567]86-*-solaris2.[567]*,
1367 sparc*-sun-solaris2.[567]* from target lists.
1368 * configure: Regenerate.
1369 * doc/install.texi (Specific, *-*-solaris2*): Document Solaris 7
1371 Remove Solaris 7 patch references.
1372 (Specific, sparc-sun-solaris2.7): Removed.
1373 (sparc-sun-solaris2*): Update Solaris 7 example.
1374 (sparc64-*-solaris2*): Likewise.
1376 2010-04-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1378 * config.build (alpha*-dec-osf4*): Remove.
1379 * config.gcc: Remove alpha*-dec-osf4*, alpha-dec-osf5.0* from list
1380 of obsolete configurations.
1381 (alpha*-dec-osf[45]*): Remove alpha*-dec-osf4*, alpha-dec-osf5.0*
1383 * config/alpha/t-osf4: Renamed to ...
1384 * config/alpha/t-osf5: ... this.
1385 * config/alpha/osf.h: Renamed to ...
1386 * config/alpha/osf5.h: ... this.
1387 Merged old osf5.h contents.
1389 (ASM_SPEC): Use ASM_OLDAS_SPEC directly.
1390 (EXTRA_SPECS): Removed.
1391 * doc/install.texi (Specific, alpha*-dec-osf5.1): Renamed to
1392 reflect removal of Tru64 UNIX V4.0/V5.0 support.
1395 2010-04-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1397 * doc/contrib.texi (Contributors, Rainer Orth): Update.
1399 2010-04-12 Kai Tietz <kai.tietz@onevision.com>
1402 * config/i386/i386.c (x86_this_parameter): Handle aggregate for
1403 __thiscall convention.
1405 2010-04-12 Steve Ellcey <sje@cup.hp.com>
1407 * config/pa/pa.c (hppa_legitimize_address): Remove unused variable
1409 * config/pa/pa.md (call, call_value): Remove unused variable call_insn.
1411 2010-04-12 Steve Ellcey <sje@cup.hp.com>
1413 * function.c (assign_parms_initialize_all): Add unused attribute
1416 2010-04-12 Richard Guenther <rguenther@suse.de>
1418 * gsstruct.def (GSS_CALL): New.
1419 * gimple.def (GIMPLE_CALL): Change to GSS_CALL.
1420 * gimple.h: Include tree-ssa-alias.h.
1421 (struct gimple_statement_call): New.
1422 (union gimple_statement_struct_d): Add gimple_call member.
1423 (gimple_call_reset_alias_info): Declare.
1424 (gimple_call_use_set): New function.
1425 (gimple_call_clobber_set): Likewise.
1426 * Makefile.in (GIMPLE_H): Add tree-ssa-alias.h.
1427 * gimple.c (gimple_call_reset_alias_info): New function.
1428 (gimple_build_call_1): Call it.
1429 * lto-streamer-in.c (input_gimple_stmt): Likewise.
1430 * tree-inline.c (remap_gimple_stmt): Likewise.
1431 (expand_call_inline): Remove callused handling.
1432 * cfgexpand.c (update_alias_info_with_stack_vars): Likewise.
1433 * tree-dfa.c (dump_variable): Likewise.
1434 * tree-parloops.c (parallelize_loops): Likewise.
1435 * tree-ssa.c (init_tree_ssa): Likewise.
1436 (delete_tree_ssa): Likewise.
1437 * tree-flow-inline.h (is_call_used): Remove.
1438 * tree-flow.h (struct gimple_df): Remove callused member.
1439 * tree-nrv.c (dest_safe_for_nrv_p): Adjust predicate.
1440 * tree-ssa-alias.c (dump_alias_info): Remove callused handling.
1441 (ref_maybe_used_by_call_p_1): Simplify.
1442 (call_may_clobber_ref_p_1): Likewise.
1443 * tree-ssa-structalias.c (compute_points_to_sets): Set
1444 the call stmt used and clobbered sets.
1445 * tree-tailcall.c (suitable_for_tail_opt_p): Adjust predicate.
1446 (find_tail_calls): Verify the tail call.
1448 2010-04-12 Richard Guenther <rguenther@suse.de>
1450 * ipa.c (cgraph_postorder): Adjust postorder to guarantee
1451 single-iteration always-inline inlining.
1452 * ipa-inline.c (cgraph_mark_inline): Do not return anything.
1453 (cgraph_decide_inlining): Do not handle always-inline specially.
1454 (try_inline): Remove always-inline cycle detection special case.
1455 Do not recurse on always-inlines.
1456 (cgraph_early_inlining): Do not iterate if not optimizing.
1457 (cgraph_gate_early_inlining): remove.
1458 (pass_early_inline): Run unconditionally.
1459 (gate_cgraph_decide_inlining): New function.
1460 (pass_ipa_inline): Use it. Do not run the IPA inliner if
1461 not inlining or optimizing.
1462 (cgraph_decide_inlining_of_small_functions): Also consider
1463 always-inline functions.
1464 (cgraph_default_inline_p): Return true for nodes which should
1465 disregard inline limits.
1466 (estimate_function_body_sizes): Assume zero size and time for
1467 nodes which are marked as disregarding inline limits.
1468 (cgraph_decide_recursive_inlining): Do not perform recursive
1469 inlining on always-inline nodes.
1471 2010-04-12 Jakub Jelinek <jakub@redhat.com>
1474 * c-typeck.c (c_process_expr_stmt): Call mark_exp_read even
1475 for exprs satisfying handled_component_p.
1477 2010-04-12 Eric Botcazou <ebotcazou@adacore.com>
1479 * expr.c (categorize_ctor_elements_1): Properly count sub-elements of
1480 non-constant aggregate elements.
1482 * gimplify.c (gimplify_init_constructor): Do not pre-evaluate if this
1483 is a real initialization.
1485 2010-04-12 Shujing Zhao <pearly.zhao@oracle.com>
1488 * c-decl.c (start_function): Move forward check for nested function.
1490 2010-04-11 Kaz Kojima <kkojima@gcc.gnu.org>
1492 * config/sh/sh-protos.h (sh_legitimize_reload_address): Declare.
1493 * config/sh/sh.c: Include reload.h.
1494 (sh_legitimize_reload_address): New.
1495 * config/sh/sh.h (LEGITIMIZE_RELOAD_ADDRESS): Use
1496 sh_legitimize_reload_address.
1498 2010-04-11 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
1500 * config/sh/sh.md (*movqi_pop): New insn pattern.
1501 * config/sh/predicates.md (sh_no_delay_pop_operand): New predicate.
1503 2010-04-11 Uros Bizjak <ubizjak@gmail.com>
1505 * config/i386/i386.md (any_shiftrt): New code iterator.
1506 (shiftrt_insn): New code attribute.
1508 (<shiftrt_insn><mode>3): Macroize expander from {ashr,lshr}<mode>3
1509 using any_shiftrt code iterator.
1510 (*<shiftrt_insn><mode>3_doubleword): Macroize insn_and_split from
1511 *{ashr,lshr}<mode>3_doubleword using any_shiftrt code iterator.
1512 (*<shiftrt_insn><mode>3_doubleword peephole2): Macroize peephole2
1513 pattern from corresponding peephole2 patterns.
1514 (*<shiftrt_insn><mode>3_1): Macroize insn from *{ashr,lshr}<mode>3_1
1515 using any_shiftrt code iterator.
1516 (*<shiftrt_insn>si3_1_zext): Ditto from *{ashr,lshr}si3_1_zext.
1517 (*<shiftrt_insn>qi3_1_slp): Ditto from *{ashr,lshr}qi3_1_slp.
1518 (*<shiftrt_insn><mode>3_cmp): Ditto from *{ashr,lshr}<mode>3_cmp.
1519 (*<shiftrt_insn><mode>3_cmp_zext): Ditto from
1520 *{ashr,lshr}<mode>3_cmp_zext.
1521 (*<shiftrt_insn><mode>3_cconly): Ditto from *{ashr,lshr}<mode>3_cconly.
1523 2010-04-11 Uros Bizjak <ubizjak@gmail.com>
1525 * config/i386/i386.md (*ashr<mode>3_cconly): Fix wrong mode of
1527 (*lshr<mode>3_cconly): Ditto.
1529 2010-04-11 Uros Bizjak <ubizjak@gmail.com>
1531 * config/i386/i386.md (lshr<mode>3): Macroize expander from
1532 lshr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
1533 (*lshr<mode>3_doubleword): New insn_and_split_pattern. Macroize
1534 pattern from *lshr{di,ti}3_1 and corresponding splitters using
1536 (*lshr<mode>3_doubleword peephole2): Macroize peephole2 pattern
1537 from corresponding peephole2 patterns.
1538 (*lshr<mode>3_1): Merge with *lshr{qi,hi,si}3_1_one_bit and
1539 *lshrdi3_1_one_bit_rex64. Macroize insn from *lshr{qi,hi,si}3_1
1540 and *lshrdi3_1_rex64 using SWI mode iterator.
1541 (*lshrsi3_1_zext): Merge with *lshrsi3_1_one_bit_zext.
1542 (*lshrqi3_1_slp): Merge with *lshrqi3_1_one_bit_slp.
1543 (*lshr<mode>3_cmp): Merge with *lshr{qi,hi,si}3_one_bit_cmp and
1544 *lshrdi3_one_bit_cmp_rex64. Macroize insn from *lshr{qi,hi,si}3_cmp
1545 and *lshrdi3_cmp_rex64 using SWI mode iterator.
1546 (*lshrsi3_cmp_zext): Merge with *lshrsi3_cmp_one_bit_zext.
1547 (*lshr<mode>3_cconly): Merge with *lshr{qi,hi,si}3_one_bit_cconly and
1548 *lshrdi3_one_bit_cconly_rex64. Macroize insn from
1549 *lshr{qi,hi,si}3_cconly and *lshrdi3_cconly_rex64 using
1552 2010-04-10 Uros Bizjak <ubizjak@gmail.com>
1554 * config/i386/i386.md (ashr<mode>3): Macroize expander from
1555 ashr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
1556 (*ashr<mode>3_doubleword): New insn_and_split_pattern. Macroize
1557 pattern from *ashr{di,ti}3_1 and corresponding splitters using
1559 (*ashr<mode>3_doubleword peephole2): Macroize peephole2 pattern
1560 from corresponding peephole2 patterns.
1561 (ashrdi3_cvt): Rename from ashrdi3_63_rex64.
1562 (ashrsi3_cvt): Rename from ashrsi3_31.
1563 (*ashrsi3_cvt_zext): Rename from *ashrsi3_31_zext.
1564 (x86_shift<mode>_adj_3): Macroize expander from x86_shift_adj_3
1565 and x86_64_shift_adj_3 using SWI48 mode iterator.
1566 (*ashr<mode>3_1): Merge with *ashr{qi,hi,si}3_1_one_bit and
1567 *ashrdi3_1_one_bit_rex64. Macroize insn from *ashr{qi,hi,si}3_1
1568 and *ashrdi3_1_rex64 using SWI mode iterator.
1569 (*ashrsi3_1_zext): Merge with *ashrsi3_1_one_bit_zext.
1570 (*ashrqi3_1_slp): Merge with *ashrqi3_1_one_bit_slp.
1571 (*ashr<mode>3_cmp): Merge with *ashr{qi,hi,si}3_one_bit_cmp and
1572 *ashrdi3_one_bit_cmp_rex64. Macroize insn from *ashr{qi,hi,si}3_cmp
1573 and *ashrdi3_cmp_rex64 using SWI mode iterator.
1574 (*ashrsi3_cmp_zext): Merge with *ashrsi3_cmp_one_bit_zext.
1575 (*ashr<mode>3_cconly): Merge with *ashr{qi,hi,si}3_one_bit_cconly and
1576 *ashrdi3_one_bit_cconly_rex64. Macroize insn from
1577 *ashr{qi,hi,si}3_cconly and *ashrdi3_cconly_rex64 using
1579 (sign_extend splitters): Update for renamed ashr{di,si}3_cvt patterns.
1580 * config/i386/i386.c (ix86_split_ashr): Update for renamed
1581 x86_shift<mode>_adj_3 expanders.
1583 2010-04-10 Wei Guozhi <carrot@google.com>
1586 * config/arm/arm.c (arm_pic_static_addr): New function.
1587 (legitimize_pic_address): Call arm_pic_static_addr when it detects
1589 (arm_output_addr_const_extra): Output expression for new pattern.
1590 * config/arm/arm.md (UNSPEC_SYMBOL_OFFSET): New unspec symbol.
1592 2010-04-10 Bernd Schmidt <bernds@codesourcery.com>
1594 * ira-costs.c (record_reg_classes): Ignore alternatives that are
1597 * Makefile.in (web.o): Depend on insn-config.h and $(RECOG_H).
1598 * web.c: Include "insn-config.h" and "recog.h".
1599 (union_match_dups): New function.
1600 (web_main): Call it.
1601 (union_defs): Don't try to recognize match_dups.
1603 * reload1.c (eliminate_regs_in_insn): Don't restore an operand
1604 if doing so would replace the entire pattern.
1606 2010-04-09 Uros Bizjak <ubizjak@gmail.com>
1610 * config/i386/i386.md (*ashl<mode>3_doubleword): Split to insn
1611 and splitter pattern. Change splitter operand 1 predicate to
1614 2010-04-09 Martin Jambor <mjambor@suse.cz>
1616 * ipa-cp.c (ipcp_lats_are_equal): Return true also if the two
1617 lattices are addresses of CONST_DECLs with the same initial value.
1618 (ipcp_print_all_lattices): Print values of CONST_DECLs.
1619 * ipa-prop.c (ipa_print_node_jump_functions): Likewise.
1621 2010-04-09 Eric Botcazou <ebotcazou@adacore.com>
1622 Bernd Schmidt <bernds@codesourcery.com>
1624 * loop-invariant.c (replace_uses): New static function.
1625 (move_invariant_reg): Use it to ensure we can replace the uses.
1627 2010-04-09 Hariharan Sandanagobalane <hariharan@picochip.com>
1629 * config/picochip/picochip.c (picochip_rtx_costs): Use correct
1631 (picochip_override_options): Enable section anchors only above -O1.
1632 (picochip_reorg): Fixed a couple of build warnings.
1634 2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1636 * configure.ac (plugin -rdynamic test): Log result.
1637 * configure: Regenerate.
1638 * config/sol2.h (LINK_SPEC): Handle -rdynamic.
1639 (RDYNAMIC_SPEC): Define.
1640 * config/sol2-gld.h (RDYNAMIC_SPEC): Redefine.
1642 2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1644 * configure.ac: Determine Sun ld version numbers.
1645 (comdat_group): Restrict GNU ld version checks to gld.
1646 (comdat_group, *-*-solaris2.1[1-9]*): Enable for Sun ld > 1.1688.
1647 (enable_comdat): Support --enable-comdat.
1648 * configure: Regenerate.
1649 * doc/install.texi (Configuration): Document --enable-comdat.
1651 2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1653 * config/sparc/sol2-gld.h: Remove SPARC reference. Rename ...
1654 * config/sol2-gld.h: ... here.
1655 * config.gcc (sparc*-*-solaris2*): Reflect this.
1656 (i[34567]86-*-solaris2*): Use it.
1658 2010-04-09 Steve Ellcey <sje@cup.hp.com>
1660 * config/ia64/ia64.c (ia64_dfa_new_cycle): Remove unused variable
1662 (final_emit_insn_group_barriers): Remove unused variable prev_insn.
1664 2010-04-09 Manuel López-Ibáñez <manu@gcc.gnu.org>
1667 * diagnostic.c (diagnostic_initialize): Initialize
1668 some_warnings_are_errors.
1669 (diagnostic_finish): New.
1670 (diagnostic_action_after_output): Call it before exiting.
1671 (diagnostic_report_diagnostic): Do not print message here. Set
1672 some_warnings_are_errors.
1673 * diagnostic.h (diagnostic_context): Delete
1674 issue_warnings_are_errors_message. Add some_warnings_are_errors.
1675 (diagnostic_finish): Declare.
1676 * toplev.c (toplev_main): Call it before exit.
1678 2010-04-09 Jason Merrill <jason@redhat.com>
1681 * c-common.c (c_sizeof_or_alignof_type): Return error_mark_node
1682 for incomplete type.
1685 * stor-layout.c (finalize_record_size): Don't change TYPE_PACKED
1686 based on a warning flag.
1688 2010-04-09 Richard Guenther <rguenther@suse.de>
1690 * tree-pretty-print.c (dump_generic_node): Dump TYPE_VECTOR_SUBPARTS.
1692 2010-04-09 Iain Sandoe <iains@gcc.gnu.org>
1695 * varasm.c (default_assemble_visibility): Wrap vars that are
1696 set, but unused, by targets without GAS.
1697 * config/rs6000/rs6000.c: (paired_emit_vector_compare):
1698 Remove set, but unused, vars.
1699 (rs6000_legitimize_tls_address): Likewise.
1700 (altivec_expand_dst_builtin): Likewise.
1701 * config/darwin.c (machopic_classify_symbol): Likewise.
1702 (machopic_indirection_name): Likewise.
1704 2010-04-09 Uros Bizjak <ubizjak@gmail.com>
1706 * config/i386/i386.md (DWI): New mode iterator.
1707 (S): New mode attribute.
1708 (shift_operand): Ditto.
1709 (shift_immediate_operand): Ditto.
1710 (ashl_input_operand): Ditto.
1711 (ashl<mode>3): Macroize expander from ashl{qi,hi,si,di,ti}3_1
1712 using SDWIM mode iterator.
1713 (*ashl<mode>3_doubleword): New insn_and_split_pattern. Macroize
1714 pattern from *ashl{di,ti}3_1 and corresponding splitters using
1716 (*ashl<mode>3_doubleword peephole2): Macroize peephole2 pattern
1717 from corresponding peephole2 patterns.
1718 (x86_shift<mode>_adj_1): Macroize expander from x86_shift_adj_1
1719 and x86_64_shift_adj_1 using SWI48 mode iterator.
1720 (x86_shift<mode>_adj_2): Ditto.
1721 (*ashldi3_1_rex64): Split TYPE_LEA pattern.
1722 (*ashl<mode>3_1): Macroize insn from *ashlsi3_1 and *ashldi3_1_rex64
1723 using SWI48 mode iterator.
1724 (*ashl<mode>3_cmp): Macroize insn from *ashl{qi,hi,si}3_cmp and
1725 *ashldi3_cmp_rex64 using SWI mode iterator.
1726 (*ashl<mode>3_cconly): Macroize insn from *ashl{qi,hi,si}3_cconly and
1727 *ashldi3_cconly_rex64 using SWI mode iterator.
1728 * config/i386/i386.c (ix86_split_ashl): Update for renamed
1729 x86_shift<mode>_adj_{1,2}.
1730 (ix86_split_ashr): Ditto.
1731 (ix86_split_lshr): Ditto.
1733 2010-04-09 Richard Guenther <rguenther@suse.de>
1735 * target.h (builtin_conversion): Pass in input and output types.
1736 * targhooks.c (default_builtin_vectorized_conversion): Adjust.
1737 * targhooks.h (default_builtin_vectorized_conversion): Likewise.
1738 * tree-vect-stmts.c (vectorizable_conversion): Adjust.
1739 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Adjust.
1741 * config/i386/i386.c (ix86_vectorize_builtin_conversion): Adjust.
1743 * config/rs6000/rs6000.c (rs6000_builtin_conversion): Adjust.
1745 2010-04-09 Richard Guenther <rguenther@suse.de>
1748 * config/i386/sse.md (vcond<mode>): Handle AVX modes as well.
1750 2010-04-09 Richard Guenther <rguenther@suse.de>
1752 * tree-vectorizer.h (struct _stmt_vec_info): Document
1753 that vectype is the type of the LHS.
1754 (supportable_widening_operation, supportable_narrowing_operation):
1755 Get both input and output vector types as arguments.
1756 (vect_is_simple_use_1): Declare.
1757 (get_same_sized_vectype): Likewise.
1758 * tree-vect-loop.c (vect_determine_vectorization_factor):
1759 Set STMT_VINFO_VECTYPE to the vector type of the def.
1760 (vectorizable_reduction): Adjust.
1761 * tree-vect-patterns.c (vect_recog_widen_mult_pattern):
1762 Adjust. Specify the output vector type.
1763 (vect_pattern_recog_1): Adjust.
1764 * tree-vect-stmts.c (get_same_sized_vectype): New function.
1765 (vectorizable_call): Adjust.
1766 (vectorizable_conversion): Likewise.
1767 (vectorizable_operation): Likewise.
1768 (vectorizable_type_demotion): Likewise.
1769 (vectorizable_type_promotion): Likewise.
1770 (vect_analyze_stmt): Set STMT_VINFO_VECTYPE to the vector type of
1772 (vect_is_simple_use_1): New function.
1773 (supportable_widening_operation): Get both input and output
1775 (supportable_narrowing_operation): Likewise.
1776 * tree-vect-slp.c (vect_schedule_slp_instance): Adjust.
1778 2010-04-09 Kai Tietz <kai.tietz@onevision.com>
1780 * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Add
1781 __thiscall and _thiscall as predefined macros.
1782 * config/i386/i386.c (ix86_handle_cconv_attribute): Add
1783 thiscall attribute handling.
1784 (ix86_comp_type_attributes): Likewise.
1785 (ix86_function_regparm): Likewise.
1786 (ix86_return_pops_args): Likewise.
1787 (init_cumulative_args): Likewise.
1788 (find_drap_reg): Likewise.
1789 (ix86_static_chain): Likewise.
1790 (x86_this_parameter): Likewise.
1791 (x86_output_mi_thunk): Likewise.
1792 (ix86_attribute_table): Add description for thiscall attribute.
1793 * config/i386/i386.h (ix86_args): Adjust comment for member fastcall.
1794 * doc/extend.texi: Add documentation for thiscall.
1796 2010-04-09 Manuel López-Ibáñez <manu@gcc.gnu.org>
1799 * c.opt (Wint-to-pointer-cast): Available in C++.
1800 * doc/invoke.texi (Wint-to-pointer-cast): Available in C++.
1802 2010-04-08 Eric Botcazou <ebotcazou@adacore.com>
1804 * tree.h (TREE_ADDRESSABLE): Document its effect for function types.
1805 * calls.c (expand_call): Pass the function type to aggregate_value_p.
1806 * function.c (aggregate_value_p): Do not honor DECL_BY_REFERENCE on
1807 the target function of a CALL_EXPR. Honor TREE_ADDRESSABLE on the
1808 function type instead. Reorder and simplify checks.
1810 * gimplify.c (gimplify_modify_expr_rhs) <WITH_SIZE_EXPR>: New case.
1812 2010-04-08 Jing Yu <jingyu@google.com>
1813 Zdenek Dvorak <ook@ucw.cz>
1815 PR tree-optimization/42720
1816 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Move one-time
1817 loop unswitch conditions here from ...
1818 (tree_unswitch_single_loop): ... here.
1820 2010-04-08 Sebastian Pop <sebastian.pop@amd.com>
1822 * tree-if-conv.c: Fix comments and simplify logic.
1824 2010-04-08 Sebastian Pop <sebastian.pop@amd.com>
1826 * tree-if-conv.c (if_convertible_loop_p): Remove unused parameter.
1827 (tree_if_conversion): Same. Update call to if_convertible_loop_p.
1828 (main_tree_if_conversion): Update call to tree_if_conversion.
1830 2010-04-08 Manuel López-Ibáñez <manu@gcc.gnu.org>
1833 * doc/invoke.texi (-b,-V): Delete.
1834 * doc/tm.texi: Do not mention -b.
1835 * gcc.c (display_help): Delete -b and -V.
1836 (process_command): Delete -b and -V.
1837 * gcc.h (DEFAULT_SWITCH_TAKES_ARG): Delete -b and -V.
1839 2010-04-08 Christian Borntraeger <borntraeger@de.ibm.com>
1840 Wolfgang Gellerich <gellerich@de.ibm.com>
1842 Implement target hook for loop unrolling
1843 * target.h (loop_unroll_adjust): Add a new target hook function.
1844 * target-def.h (TARGET_LOOP_UNROLL_ADJUST): Likewise.
1845 * doc/tm.texi (TARGET_LOOP_UNROLL_ADJUST): Document it.
1846 * config/s390/s390.c (TARGET_LOOP_UNROLL_ADJUST): Define it.
1847 (s390_loop_unroll_adjust): Implement the new target hook for s390.
1848 * loop-unroll.c (decide_unroll_runtime_iterations): Call loop unroll
1850 (decide_unroll_stupid): Likewise.
1852 2010-04-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1855 * config/i386/gmon-sol2.c [__x86_64__]: Properly restore %rcx.
1857 2010-04-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1859 * doc/install.texi (Specific, i?86-*-solaris2.10): Fix grammar.
1860 (Specific, *-*-solaris2*): Likewise.
1861 Don't prefer Sun as over GNU as.
1863 2010-04-08 Wolfgang Gellerich <gellerich@de.ibm.com>
1865 * config/s390/s390.c (override_options): Adjust the z10
1866 defaults for max-unroll-times, max-completely-peeled-insns
1867 and max-completely-peel-times.
1869 2010-04-08 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1871 * config/s390/s390.c (s390_expand_movmem): Issue prefetch
1872 instructions for z10.
1873 (s390_expand_setmem): Likewise.
1874 (s390_expand_cmpmem): Likewise.
1876 2010-04-08 Richard Guenther <rguenther@suse.de>
1878 PR tree-optimization/43679
1879 * tree-ssa-pre.c (eliminate): Only propagate copies.
1881 2010-04-08 Jakub Jelinek <jakub@redhat.com>
1884 * expr.c (block_move_libcall_safe_for_call_parm): Avoid
1885 set but not used variable warning.
1887 2010-04-08 Wei Guozhi <carrot@google.com>
1890 * config/arm/arm.c (thumb1_size_rtx_costs): New function.
1891 (arm_size_rtx_costs): Call the new function when optimized for size.
1893 2010-04-08 Jakub Jelinek <jakub@redhat.com>
1896 * cfgexpand.c (expand_debug_expr): If for non-NULL offset
1897 op0 is not a MEM, just return NULL instead of assertion
1899 (discover_nonconstant_array_refs): Don't walk debug stmts.
1901 2010-04-08 Doug Kwan <dougkwan@google.com>
1903 * configure.ac: Recognize gold and do not use its version number
1904 to test ld features.
1905 * configure: Regenerate.
1907 2010-04-08 Maxim Kuvyrkov <maxim@codesourcery.com>
1910 * tree-ssa-reassoc.c (broken_up_substracts): Rename to plus_negates.
1911 (negate_value): Move code to push elements to broken_up_substracts ...
1912 (eliminate_plus_minus_pair): ... here. Push operands that have no
1913 negative pair to plus_negates.
1914 (repropagate_negates, init_reassoc, fini_reassoc): Update.
1916 2010-04-07 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1918 * doc/install.texi (Configuration): Move description of
1919 --enable-lto, --with-libelf*, --enable-gold from Java section to
1922 * doc/generic.texi (Working with declarations)
1923 (Function Properties, C and C++ Trees): Fix typos.
1924 * doc/sourcebuild.texi (Top Level): Likewise.
1926 2010-04-07 Jakub Jelinek <jakub@redhat.com>
1929 * tree.h (DECL_READ_P): Define.
1930 (struct tree_decl_common): Add decl_read_flag.
1931 * c-decl.c (pop_scope): If TREE_USED but !DECL_READ_P, issue
1932 a set but not used warning.
1933 (merge_decls): Merge DECL_READ_P flag.
1934 (finish_decl, build_compound_literal): Set DECL_READ_P flag.
1935 (finish_function): Issue -Wunused-but-set-parameter diagnostics.
1936 * c-common.c (handle_used_attribute, handle_unused_attribute):
1938 * c-tree.h (default_function_array_read_conversion, mark_exp_read):
1940 * c-typeck.c (default_function_array_read_conversion, mark_exp_read):
1942 (default_conversion, c_process_expr_stmt): Call mark_exp_read.
1943 * c-parser.c (c_parser_initializer, c_parser_expr_no_commas,
1944 c_parser_binary_expression, c_parser_cast_expression,
1945 c_parser_expr_list, c_parser_omp_atomic, c_parser_omp_for_loop):
1946 Call default_function_array_read_conversion instead of
1947 default_function_array_conversion where needed.
1948 (c_parser_unary_expression, c_parser_conditional_expression,
1949 c_parser_postfix_expression_after_primary, c_parser_initelt):
1950 Likewise. Call mark_exp_read where needed.
1951 (c_parser_statement_after_labels, c_parser_asm_operands,
1952 c_parser_typeof_specifier, c_parser_sizeof_expression,
1953 c_parser_alignof_expression, c_parser_initval): Call mark_exp_read
1955 * common.opt (Wunused-but-set-variable, Wunused-but-set-parameter):
1957 * toplev.c (warn_unused_but_set_variable): Default to warn_unused.
1958 (warn_unused_but_set_parameter): Default to warn_unused
1960 * doc/invoke.texi: Document -Wunused-but-set-variable and
1961 -Wunused-but-set-parameter.
1963 * tree-ssa-pre.c (my_rev_post_order_compute): Remove set but not
1964 used count variable.
1965 * genemit.c (gen_expand, gen_split): Avoid set but not used warnings
1966 when operandN variables aren't used in the body of the expander
1968 * tree-outof-ssa.c (FOR_EACH_ELIM_GRAPH_SUCC,
1969 FOR_EACH_ELIM_GRAPH_PRED): Avoid set but not used warnings.
1970 * tree-ssa-operands.h (FOR_EACH_SSA_TREE_OPERAND): Likewise.
1971 * tree-flow.h (FOR_EACH_IMM_USE_FAST, FOR_EACH_IMM_USE_STMT,
1972 FOR_EACH_IMM_USE_ON_STMT): Likewise.
1973 * tree.h (FOR_EACH_CONSTRUCTOR_ELT): Likewise.
1974 * tree.c (PROCESS_ARG): Likewise.
1976 2010-04-07 Simon Baldwin <simonb@google.com>
1978 * diagnostic.h (diagnostic_override_option_index): New macro to
1979 set a diagnostic's option_index.
1980 * c-tree.h (c_cpp_error): Add warning reason argument.
1981 * opts.c (_warning_as_error_callback): New.
1982 (register_warning_as_error_callback): Store callback for
1983 warnings enabled via enable_warning_as_error.
1984 (enable_warning_as_error): Call callback, minor code tidy.
1985 * opts.h (register_warning_as_error_callback): Declare.
1986 * c-opts.c (warning_as_error_callback): New, set cpp_opts flag in
1987 response to -Werror=.
1988 (c_common_init_options): Register warning_as_error_callback in opts.c.
1989 * common.opt: Add -Wno-cpp option.
1990 * c-common.c (struct reason_option_codes_t): Map cpp warning
1991 reason codes to gcc option indexes.
1992 * (c_option_controlling_cpp_error): New function, lookup the gcc
1993 option index for a cpp warning reason code.
1994 * (c_cpp_error): Add warning reason argument, call
1995 c_option_controlling_cpp_error for diagnostic_override_option_index.
1996 * doc/invoke.texi: Document -Wno-cpp.
1998 2010-04-07 Richard Guenther <rguenther@suse.de>
2000 * ipa-reference.c (mark_load): Use get_base_address.
2001 (mark_store): Likewise.
2003 * tree-ssa-ccp.c (gimplify_and_update_call_from_tree): Avoid
2004 inserting GIMPLE_NOPs into the IL.
2005 * tree-ssa-structalias.c (get_constraint_for_component_ref):
2006 Explicitly strip handled components and indirect references.
2008 * fold-const.c (fold_unary_loc): Do not strip qualifiers when
2009 folding address expressions.
2010 * gimple.c (gimple_ior_addresses_taken_1): Use get_base_address.
2011 * tree-ssa-alias.c (decl_refs_may_alias_p): Do not use
2012 operand_equal_p to compare decls.
2013 (ptr_deref_may_alias_decl_p): Likewise.
2014 * tree-ssa-operands.c (get_asm_expr_operands): Simplify
2015 * tree-ssa-forwprop.c (forward_propagate_into_gimple_cond):
2016 Handle reversed comparison ops.
2017 * tree-sra.c (asm_visit_addr): Use get_base_address.
2018 * ipa-prop.c (visit_store_addr_for_mod_analysis): Use get_base_address.
2019 * ipa-reference.c (mark_address): Use get_base_address.
2021 2010-04-07 Richard Guenther <rguenther@suse.de>
2023 * tree-ssa-forwprop.c (forward_propagate_addr_expr):
2024 Propagate constants everywhere.
2026 2010-04-07 Jakub Jelinek <jakub@redhat.com>
2029 * tree.c (MAX_INT_CACHED_PREC): Define.
2030 (nonstandard_integer_type_cache): New array.
2031 (build_nonstandard_integer_type): Cache results for precision
2032 <= MAX_INT_CACHED_PREC.
2034 2010-04-07 Richard Guenther <rguenther@suse.de>
2036 * doc/invoke.texi (-fargument-alias, -fargument-noalias,
2037 -fargument-noalias-global, -fargument-noalias-anything): Remove.
2038 * common.opt: Likewise.
2039 * tree-ssa-structalias.c (intra_create_variable_infos): Adjust comment.
2040 * alias.c (base_alias_check): Remove flag_argument_noalias handling.
2041 (nonoverlapping_memrefs_p): Likewise.
2042 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
2043 * opts.c (common_handle_option): Handle OPT_fargument_alias,
2044 OPT_fargument_noalias, OPT_fargument_noalias_anything and
2045 OPT_fargument_noalias_global for backward compatibility.
2047 2010-04-07 Richard Guenther <rguenther@suse.de>
2049 PR tree-optimization/43270
2050 * tree-vrp.c (check_array_ref): Fix flexible array member detection.
2051 * tree-ssa-sccvn.h (fully_constant_vn_reference_p): Declare.
2052 * tree-ssa-pre.c (phi_translate_1): Adjust.
2053 (fully_constant_expression): Split out vn_reference handling to ...
2054 * tree-ssa-sccvn.c (fully_constant_vn_reference_p): ... here.
2055 Fold reads from constant strings.
2056 (vn_reference_lookup): Handle fully constant references.
2057 (vn_reference_lookup_pieces): Likewise.
2058 * Makefile.in (expmed.o-warn): Add -Wno-error.
2060 2010-04-07 Martin Jambor <mjambor@suse.cz>
2062 * tree-sra.c (find_param_candidates): Allow scalar va_list types.
2064 2010-04-07 Iain Sandoe <iains@gcc.gnu.org>
2067 * gcc.c: Add -static-libstdc++ to list of recognized options.
2069 2010-04-07 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2071 * config.gcc (i[34567]86-*-solaris2*): Default with_tune_32 to generic.
2073 2010-04-07 Richard Guenther <rguenther@suse.de>
2076 * expr.c (expand_expr_real_1): For TARGET_MEM_REFs with pointer
2077 bases build simple mem attributes to retain points-to information.
2079 2010-04-07 Richard Guenther <rguenther@suse.de>
2082 * alias.c (ao_ref_from_mem): Without MEM_OFFSET or MEM_SIZE
2083 preserve points-to related information.
2085 2010-04-07 Richard Guenther <rguenther@suse.de>
2088 * emit-rtl.c (set_mem_attributes_minus_bitpos): Do not
2089 discard plain indirect references.
2090 * fold-const.c (operand_equal_p): Guard against NULL_TREE type.
2091 * tree.c (tree_nop_conversion): Likewise.
2093 2010-04-07 Dodji Seketeli <dodji@redhat.com>
2096 * dwarf2out.c (modified_type_die): Ignore artificial typedefs.
2098 2010-04-06 Kai Tietz <kai.tietz@onevision.com>
2100 * config/i386/i386.c (ix86_handle_cconv_attribute): Ignore
2101 calling convention attributes on METHOD_TYPEs for w64 ABI, too.
2103 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
2105 * tree-if-conv.c: Fix indentation and comments.
2107 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
2109 * tree-if-conv.c: Sort static functions in topological order.
2111 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
2113 * tree-if-conv.c: Fix indentation and comments.
2115 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
2118 * graphite-clast-to-gimple.c (max_signed_precision_type): Use
2119 lang_hooks.types.type_for_size instead of
2120 build_nonstandard_integer_type.
2121 When converting an unsigned type to signed, double its precision.
2122 (gcc_type_for_interval): Use lang_hooks.types.type_for_size.
2123 (gcc_type_for_iv_of_clast_loop): Call max_signed_precision_type.
2124 (graphite_create_new_loop_guard): When ub + 1 wraps around,
2127 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
2130 * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Use
2131 POINTER_PLUS_EXPR for pointer types.
2133 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
2136 * Makefile.in (graphite-clast-to-gimple.o): Depends on langhooks.h.
2137 * graphite-clast-to-gimple.c: Include langhooks.h.
2138 (max_signed_precision_type): New.
2139 (max_precision_type): Takes two types as arguments.
2140 (precision_for_value): New.
2141 (precision_for_interval): New.
2142 (gcc_type_for_interval): New.
2143 (gcc_type_for_value): New.
2144 (gcc_type_for_clast_term): New.
2145 (gcc_type_for_clast_red): New.
2146 (gcc_type_for_clast_bin): New.
2147 (gcc_type_for_clast_expr): Split up into several functions.
2148 (gcc_type_for_clast_eq): Rewritten.
2149 (compute_bounds_for_level): New.
2150 (compute_type_for_level_1): New.
2151 (compute_type_for_level): New.
2152 (gcc_type_for_cloog_iv): Removed.
2153 (gcc_type_for_iv_of_clast_loop): Rewritten.
2154 (graphite_create_new_loop): Compute the lower and upper bound types
2155 with gcc_type_for_clast_expr.
2156 (graphite_create_new_loop_guard): Same.
2157 (find_cloog_iv_in_expr): Removed.
2158 (compute_cloog_iv_types_1): Removed.
2159 (compute_cloog_iv_types): Removed.
2160 (gloog): Do not call compute_cloog_iv_types.
2161 * graphite-sese-to-poly.c (new_gimple_bb): Do not initialize
2163 (free_data_refs_aux): Do not free GBB_CLOOG_IV_TYPES.
2164 * sese.h (struct gimple_bb): Removed field cloog_iv_types.
2165 (GBB_CLOOG_IV_TYPES): Removed.
2167 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
2169 * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Assert that
2170 gimple_phi_num_args of the loop close SSA phi node is equal to 1.
2171 (detect_commutative_reduction): Same.
2173 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
2175 * graphite-clast-to-gimple.c (graphite_verify): Remove redundant
2176 call to verify_ssa. Invoke verify_loop_closed_ssa with an extra
2178 * graphite-scop-detection.c (canonicalize_loop_closed_ssa_form): Same.
2179 * graphite-sese-to-poly.c (rewrite_reductions_out_of_ssa): Same.
2180 (rewrite_commutative_reductions_out_of_ssa): Same.
2181 * passes.c (execute_function_todo): Call verify_ssa for every pass
2182 in the LNO. Invoke verify_loop_closed_ssa with an extra argument.
2183 * tree-flow.h (verify_loop_closed_ssa): Update declaration.
2184 * tree-parloops.c (parallelize_loops): Invoke verify_loop_closed_ssa
2185 with an extra argument.
2186 * tree-ssa-loop-manip.c (check_loop_closed_ssa_stmt): Same. Call
2187 verify_ssa only when the extra argument is true.
2188 (gimple_duplicate_loop_to_header_edge): Invoke verify_loop_closed_ssa
2189 with an extra argument.
2190 (tree_transform_and_unroll_loop): Same.
2192 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
2194 * passes.c (execute_function_todo): Call verify_loop_closed_ssa
2195 for all the passes of the LNO having LOOP_CLOSED_SSA.
2196 * tree-if-conv.c (pass_if_conversion): Remove TODO_verify_loops.
2197 * tree-loop-distribution.c (pass_loop_distribution): Same.
2198 * tree-pass.h (TODO_verify_loops): Removed.
2199 * tree-ssa-loop.c (pass_tree_loop_init): Same.
2201 (pass_tree_unswitch): Same.
2202 (pass_predcom): Same.
2203 (pass_vectorize): Same.
2204 (pass_linear_transform): Same.
2205 (pass_graphite_transforms): Same.
2206 (pass_iv_canon): Same.
2207 (pass_complete_unroll): Same.
2208 (pass_complete_unrolli): Same.
2209 (pass_parallelize_loops): Same.
2210 (pass_loop_prefetch): Same.
2211 (pass_iv_optimize): Same.
2213 2010-04-06 Changpeng Fang <changpeng.fang@amd.com>
2216 * passes.c (init_optimization_passes): Move pass_lim before
2217 pass_copy_prop and pass_dce_loop.
2219 2010-04-06 Jakub Jelinek <jakub@redhat.com>
2222 * config/i386/i386.c (bdesc_multi_arg): Use OPTION_MASK_ISA_XOP
2223 instead of OPTION_MASK_ISA_AVX for __builtin_ia32_vpermil2p*.
2224 (ix86_expand_args_builtin): Use V*_FTYPE_* enum codes instead of
2225 MULTI_* defines for 4 argument vpermil2p* builtins.
2227 2010-04-06 Uros Bizjak <ubizjak@gmail.com>
2229 * config/i386/i386-protos.h (x86_maybe_negate_const_int): Declare.
2230 * config/i386/i386.c (x86_maybe_negate_const_int): New.
2231 (x86_output_mi_thunk): Use x86_maybe_negate_const_int.
2232 * config/i386/i386.md (*add<mode>_1, *addsi_1_zext, *addhi_1,
2233 *addhi_1_lea, *addqi_1, *addqi_1_lea, *addqi_1_slp, *add<mode>_2,
2234 *addsi_2_zext, *addhi_2, *addqi_2, *add<mode>_3, *addsi_3_zext,
2235 *addhi_3, *addqi_3,*add<mode>_5, *addhi_5, *addqi_5):
2236 Use x86_maybe_negate_const_int to output insn mnemonic.
2237 (*adddi_4, *addsi_4, *addhi_4, *addqi_4): Ditto. Remove overflow
2238 check from instruction predicate. Update comments.
2239 * config/i386/sync.md (sync_add<mode>): Use
2240 x86_maybe_negate_const_int to output insn mnemonic.
2242 2010-04-06 Jan Hubicka <jh@suse.cz>
2244 PR tree-optimization/42906
2245 * tree-ssa-dce.c (mark_control_dependent_edges_necessary): Add
2246 IGNORE_SELF argument. Set visited_control_parents for fully
2248 (find_obviously_necessary_stmts): Update call of
2249 mark_control_dependent_edges_necessary.
2250 (propagate_necessity): Likewise. Handle PHI edges more curefully.
2252 2010-04-06 Uros Bizjak <ubizjak@gmail.com>
2254 * config/i386/i386.md: Remove comment about 'e' and 'E'
2257 2010-04-06 Richard Guenther <rguenther@suse.de>
2259 PR tree-optimization/43627
2260 * tree-vrp.c (extract_range_from_unary_expr): Widenings
2261 of [1, +INF(OVF)] go to [1, +INF(OVF)] of the wider type,
2264 2010-04-06 Jakub Jelinek <jakub@redhat.com>
2266 * BASE-VER: Change to 4.6.0.
2269 * config/i386/i386.c (print_operand): Remove 'e' and 'E' code
2272 2010-04-06 Richard Guenther <rguenther@suse.de>
2275 * fold-const.c (fold_comparison): Handle X * 0 CMP 0.
2277 2010-04-05 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2279 * doc/invoke.texi (Optimize Options): Document that LTO
2280 won't remove object access purely due to incompatible
2283 2010-04-04 Matthias Klose <doko@ubuntu.com>
2285 * graphite-sese-to-poly.c (translate_scalar_reduction_to_array):
2286 Initialize variable.
2288 2010-04-03 Richard Guenther <rguenther@suse.de>
2291 * alias.c (nonoverlapping_memrefs_p): For spill-slot accesses
2292 require a non-NULL MEM_OFFSET.
2294 2010-04-02 Steven Bosscher <steven@gcc.gnu.org>
2296 * ada/gcc-interface/Make-lang.in, alias.c, attribs.c, auto-inc-dec.c,
2297 basic-block.h, bb-reorder.c, calls.c, c-common.c, cgraph.h,
2298 collect2.h, config/alpha/alpha.c, config/alpha/alpha.md,
2299 config/alpha/predicates.md, config/arm/arm.md,
2300 config/arm/lib1funcs.asm, config/arm/neon-schedgen.ml,
2301 config/avr/avr.c, config/avr/avr.md, config/bfin/bfin.c,
2302 config/darwin9.h, config/darwin.c, config/darwin.h,
2303 config/h8300/h8300.c, config/i386/cpuid.h, config/i386/cygming.h,
2304 config/i386/cygwin.h, config/i386/mingw32.h, config/i386/msformat-c.c,
2305 config/i386/sol2-10.h, config/i386/xopintrin.h, config/ia64/ia64.c,
2306 config/ia64/ia64.md, config/ia64/sync.md, config/mep/mep.c,
2307 config/mips/mips.md, config/mn10300/mn10300.c,
2308 config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.md,
2309 config/rs6000/aix.h, config/rs6000/dfp.md,
2310 config/rs6000/rs6000-builtin.def, config/rs6000/rs6000-c.c,
2311 config/rs6000/vector.md, config/rtems.h, config/rx/rx.md,
2312 config/s390/s390.md, config/sol2-c.c, config/sparc/sol2-bi.h,
2313 config/sparc/sol2-gas.h, config/sparc/sparc.h, config/sparc/sparc.md,
2314 config/sparc/sparc-protos.h, config/spu/spu.c, config/spu/spu-c.c,
2315 config/t-darwin, convert.c, c.opt, c-opts.c, cp/Make-lang.in,
2316 c-pretty-print.c, c-typeck.c, df-core.c, df-scan.c, diagnostic.c,
2317 diagnostic.h, doc/cppopts.texi, doc/cpp.texi, doc/extend.texi,
2318 doc/gimple.texi, doc/languages.texi, doc/plugins.texi, doc/rtl.texi,
2319 doc/standards.texi, doc/tree-ssa.texi, doc/trouble.texi, dominance.c,
2320 fold-const.c, fortran/Make-lang.in, fwprop.c, gcc-plugin.h,
2321 gensupport.c, gimple.h, gimple-iterator.c, graphite.c,
2322 graphite-clast-to-gimple.c, graphite-clast-to-gimple.h,
2323 graphite-dependences.c, graphite-poly.c, graphite-poly.h,
2324 graphite-ppl.c, graphite-ppl.h, graphite-scop-detection.c,
2325 graphite-sese-to-poly.c, graphite-sese-to-poly.h, ifcvt.c, intl.c,
2326 intl.h, ipa.c, ipa-cp.c, ipa-inline.c, ipa-prop.c, ipa-prop.h,
2327 ipa-pure-const.c, ipa-reference.c, ipa-type-escape.c, ira-color.c,
2328 ira-conflicts.c, ira-lives.c, java/Make-lang.in, lambda-code.c,
2329 loop-invariant.c, lto/Make-lang.in, lto-streamer.h, lto-streamer-in.c,
2330 objc/Make-lang.in, objcp/Make-lang.in, omp-low.c, optc-gen.awk,
2331 opt-functions.awk, opth-gen.awk, params.def, passes.c,
2332 postreload-gcse.c, print-tree.c, recog.c, regrename.c, reload.h,
2333 rtl.def, sched-int.h, sched-rgn.c, sel-sched-dump.c, sese.c, sese.h,
2334 store-motion.c, stor-layout.c, tree-cfgcleanup.c, tree-chrec.c,
2335 tree-complex.c, tree-data-ref.c, tree.def, tree-eh.c, tree-flow.h,
2336 tree-flow-inline.h, tree.h, tree-loop-distribution.c, tree-outof-ssa.c,
2337 tree-parloops.c, tree-pass.h, tree-predcom.c, tree-profile.c,
2338 tree-scalar-evolution.c, tree-ssa-address.c, tree-ssa-alias.c,
2339 tree-ssa-coalesce.c, tree-ssa-copy.c, tree-ssa-dce.c, tree-ssa-dom.c,
2340 tree-ssa-dse.c, tree-ssa-loop-im.c, tree-ssa-loop-ivcanon.c,
2341 tree-ssa-loop-manip.c, tree-ssa-math-opts.c, tree-ssa-operands.c,
2342 tree-ssa-pre.c, tree-ssa-sccvn.c, tree-ssa-structalias.c,
2343 tree-ssa-uncprop.c, tree-tailcall.c, tree-vect-data-refs.c,
2344 tree-vect-loop.c, tree-vectorizer.h, tree-vect-slp.c, tree-vrp.c,
2345 unwind-dw2-fde-darwin.c, varpool.c: Update copyright years.
2347 2010-04-02 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2350 * doc/install.texi (Prerequisites): Bump Automake version to 1.11.1.
2351 * aclocal.m4: Regenerate.
2353 2010-04-02 Richard Guenther <rguenther@suse.de>
2355 PR tree-optimization/43629
2356 * tree-ssa-ccp.c (likely_value): Reset all_undefined_operands
2357 if we have seen a constant value.
2359 2010-04-02 Joseph Myers <joseph@codesourcery.com>
2361 * read-rtl.c (read_rtx_1): Give an error for EOF while looking for ']'.
2363 2010-04-02 Richard Earnshaw <rearnsha@arm.com>
2366 * arm.c (legitimize_tls_address): Adjust call to
2367 gen_tls_load_dot_plus_four.
2368 (arm_note_pic_base): New function.
2369 (arm_cannot_copy_insn_p): Use it.
2370 * thumb2.md (tls_load_dot_plus_four): Rework to avoid use of '+' in
2373 2010-04-02 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2378 2009-09-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2380 * Makefile.in ($(out_object_file)): Depend on
2381 gt-$(basename $(notdir $(out_file))).h.
2383 2010-04-01 Ralf Corsépius <ralf.corsepius@rtems.org>
2385 * config.gcc (lm32-*-rtems*): Add t-lm32.
2387 2010-04-01 Joel Sherrill <joel.sherrill@oarcorp.com>
2389 * config.gcc: Add lm32-*-rtems*.
2390 * config/lm32/rtems.h: New file.
2392 2010-04-01 Dave Korn <dave.korn.cygwin@gmail.com>
2395 * config/i386/cygwin.h (CXX_WRAP_SPEC): Disable spec when -mno-cygwin.
2397 2010-04-01 Jakub Jelinek <jakub@redhat.com>
2399 * dwarf2out.c (output_compilation_unit_header): For
2400 -gdwarf-4 use version 4 instead of version 3.
2401 (output_line_info): For version 4 and above emit additional
2402 maximum ops per insn header field.
2403 (DWARF_LINE_DEFAULT_MAX_OPS_PER_INSN): Define.
2405 * dwarf2out.c (is_c_family, is_java): Remove.
2406 (lower_bound_default): New function.
2407 (add_bound_info, gen_descr_array_type_die): Use it.
2409 2010-04-01 Dodji Seketeli <dodji@redhat.com>
2412 * dwarf2out.c (gen_variable_die): Allow debug info for variable
2413 re-declaration when it happens in a function.
2415 2010-04-01 Aldy Hernandez <aldyh@redhat.com>
2417 * cgraph.c (cgraph_add_function_insertion_hook): Update comment.
2418 (cgraph_remove_function_insertion_hook): Same.
2419 (cgraph_call_function_insertion_hooks): Same.
2421 2010-04-01 Richard Guenther <rguenther@suse.de>
2424 * tree-ssa-address.c (copy_mem_ref_info): Copy TREE_SIDE_EFFECTS
2425 and TREE_THIS_VOLATILE.
2426 (copy_ref_info): Likewise.
2427 * tree-ssa-operands.c (get_tmr_operands): Check TREE_THIS_VOLATILE.
2428 * tree.c (build6_stat): Ignore side-effects of all but arg5
2429 for TARGET_MEM_REF. Set TREE_THIS_VOLATILE from arg5 of
2432 2010-04-01 Richard Guenther <rguenther@suse.de>
2434 PR tree-optimization/43607
2435 * ipa-type-escape.c (check_call): Do not access non-existing
2438 2010-04-01 Richard Guenther <rguenther@suse.de>
2442 2010-03-30 Seongbae Park <seongbae.park@gmail.com>
2443 Jack Howarth <howarth@bromo.med.uc.edu>
2445 * tree-profile.c (tree_init_ic_make_global_vars): Make static
2448 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2450 * doc/install.texi (Prerequisites): Document libelf usability on
2451 IRIX 5/6 and Solaris 2.
2452 (Specific, i?86-*-solaris2.10): No 64-bit default configuration.
2453 Update GNU as, GNU ld requirements.
2454 (Specific, *-*-solaris2*): Document Solaris 7 obsoletion, removal.
2455 Document Sun Studio compiler download.
2456 Update and simplify as, ld recommendations.
2457 (Specific, *-*-solaris2.7): Note obsoletion, removal.
2459 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2461 * config.gcc (i[34567]86-*-solaris2*): Default with_arch_32,
2462 with_tune_32 to pentium4.
2464 2010-04-01 Uros Bizjak <ubizjak@gmail.com>
2466 * config/i386/cpuid.h (__get_cpuid_max): Move misplaced comment.
2468 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2470 * doc/install.texi (Specific, mips-sgi-irix5): Document IRIX 5
2471 obsoletion, removal.
2473 Document GNU as requirement.
2474 Update configure requirements.
2475 (Specific, mips-sgi-irix6): Document IRIX 6 < 6.5 obsoletion, removal.
2476 Recomment IRIX 6.5.18+.
2477 Document IDF/IDL requirement.
2478 Document GNU as requirement.
2479 Document GNU ld bootstrap failure.
2480 Remove freeware.sgi.com reference.
2482 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2484 * doc/install.texi (Specific, alpha*-dec-osf*): Document Tru64
2485 UNIX V4.0, V5.0 obsoletion, removal.
2486 Remove --with-gc=simple reference.
2487 Update VM requirements during bootstrap.
2488 Remove -oldas bootstrap description.
2489 Update binutils reference.
2490 Remove comparison failure note.
2492 2010-03-31 Richard Guenther <rguenther@suse.de>
2493 Zdenek Dvorak <ook@ucw.cz>
2494 Sebastian Pop <sebastian.pop@amd.com>
2497 * tree-ssa-copy.c (init_copy_prop): Handle loop close phi nodes
2498 with multiple arguments.
2499 (execute_copy_prop): Remove call to rewrite_into_loop_closed_ssa.
2501 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
2503 * graphite-dependences.c (print_pddr): Call print_pdr with an
2505 * graphite-poly.c (debug_pdr): Add an extra argument for the
2508 (print_pbb_domain): Same.
2510 (print_scop_context): Same.
2512 (print_cloog): Same.
2513 (debug_pbb_domain): Same.
2517 (debug_scop_context): Same.
2519 (debug_cloog): Same.
2520 (print_scop_params): Same.
2521 (debug_scop_params): Same.
2522 (print_iteration_domain): Same.
2523 (print_iteration_domains): Same.
2524 (debug_iteration_domain): Same.
2525 (debug_iteration_domains): Same.
2526 (print_scattering_function): Same.
2527 (print_scattering_functions): Same.
2528 (debug_scattering_function): Same.
2529 (debug_scattering_functions): Same.
2530 * graphite-poly.h (debug_pdr): Update declaration.
2532 (print_pbb_domain): Same.
2534 (print_scop_context): Same.
2536 (print_cloog): Same.
2537 (debug_pbb_domain): Same.
2541 (debug_scop_context): Same.
2543 (debug_cloog): Same.
2544 (print_scop_params): Same.
2545 (debug_scop_params): Same.
2546 (print_iteration_domain): Same.
2547 (print_iteration_domains): Same.
2548 (debug_iteration_domain): Same.
2549 (debug_iteration_domains): Same.
2550 (print_scattering_function): Same.
2551 (print_scattering_functions): Same.
2552 (debug_scattering_function): Same.
2553 (debug_scattering_functions): Same.
2555 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
2557 * graphite-poly.c (print_scattering_function_1): New.
2558 (print_scattering_function): Call it.
2559 (print_scop_params): Remove spaces at the end of lines.
2562 * graphite-poly.h (print_cloog): Declared.
2563 (debug_cloog): Declared.
2565 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
2567 * graphite-sese-to-poly.c (graphite_loop_normal_form): Add the IV bump
2569 * tree-flow.h (canonicalize_loop_ivs): Updated declaration.
2570 * tree-parloops.c (gen_parallel_loop): Add the IV bump in loop->latch.
2571 * tree-ssa-loop-manip.c (canonicalize_loop_ivs): Add a new parameter
2572 to switch between adding the IV bump in loop->latch or in loop->header.
2574 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
2576 * graphite-poly.c (print_scattering_function): Pretty print following
2579 (print_pbb_domain): Same.
2580 (dump_gbb_cases): Same.
2581 (dump_gbb_conditions): Same.
2584 (print_scop_params): Same.
2585 (print_scop_context): Same.
2587 (print_pbb_body): New.
2588 (lst_indent_to): New.
2589 (print_lst): Start new lines with a #.
2590 * graphite-poly.h (pbb_bb): New.
2591 (pbb_index): Use pbb_bb.
2592 * graphite-ppl.c (ppl_print_powerset_matrix): Print the number of
2594 * tree-data-ref.c (dump_data_reference): Start new lines with a #.
2596 2010-03-31 Jakub Jelinek <jakub@redhat.com>
2598 * dwarf2out.c (size_of_die): For -gdwarf-4 use
2599 uleb128 size instead of fixed 1 or 2 for dw_val_class_loc
2600 and 0 instead of 1 for dw_val_class_flag.
2601 (value_format): For -gdwarf-4 use DW_FORM_sec_offset for
2602 dw_val_class_range_list, dw_val_class_loc_list,
2603 dw_val_class_lineptr and dw_val_class_macptr, use
2604 DW_FORM_flag_present for dw_val_class_flag and
2605 DW_FORM_exprloc for dw_val_class_loc.
2606 (output_die): For -gdwarf-4 print dw_val_class_loc
2607 size as uleb128 instead of 1 or 2 bytes and don't print
2608 anything for dw_val_class_flag.
2610 * var-tracking.c (vt_init_cfa_base): Use cselib_lookup_from_insn
2611 instead of cselib_lookup following by tweaking locs->setting_insn.
2614 * cselib.c (cselib_process_insn): Clear cselib_current_insn
2615 even before returning from label, setjmp call or volatile asm
2618 2010-03-31 Richard Guenther <rguenther@suse.de>
2621 * cgraphunit.c (cgraph_output_in_order): Do not allocate
2622 temporary data on stack.
2624 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2626 * config/sparc/sysv4.h (PUSHSECTION_FORMAT): Remove undef.
2627 (PUSHSECTION_ASM_OP): Remove.
2628 (POPSECTION_ASM_OP): Remove.
2629 (PUSHSECTION_FORMAT): Remove.
2630 * config/sol2.h (PUSHSECTION_FORMAT): Define.
2631 * config/sparc/sol2.h [!USE_GAS] (PUSHSECTION_FORMAT): Redefine.
2632 * config/sol2.c (solaris_output_init_fini): Use it.
2634 2010-03-31 Jie Zhang <jie@codesourcery.com>
2637 * opt-functions.awk (var_type_struct): Use signed char type
2638 for simple variables.
2640 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2642 * config/sol2.c: Include output.h.
2643 (solaris_assemble_visibility): New function.
2644 * config/t-sol2 (sol2.o): Add output.h dependency.
2645 * config/sol2-protos.h (solaris_assemble_visibility): Declare.
2646 * config/sol2.h [!USE_GAS] (TARGET_ASM_ASSEMBLE_VISIBILITY):
2649 2010-03-31 Jakub Jelinek <jakub@redhat.com>
2652 * config/arm/arm.c (arm_save_coproc_regs): Use Pmode instead of
2653 V2SImode or XFmode on PRE_DEC.
2656 * cfgexpand.c (expand_debug_expr): Handle VOIDmode mode like
2659 2010-03-31 Jie Zhang <jie@codesourcery.com>
2662 * reload.h (caller_save_initialized_p): Declare.
2663 * toplev.c (backend_init_target): Don't call
2664 init_caller_save but set caller_save_initialized_p to false.
2665 * caller-save.c (caller_save_initialized_p): Define.
2666 (init_caller_save): Check caller_save_initialized_p.
2667 * ira.c (ira): Call init_caller_save if flag_caller_saves.
2669 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2672 * config.gcc (i[34567]86-*-solaris2*): Add i386/t-fprules-softfp
2673 and soft-fp/t-softfp to tmake_file.
2674 * config/i386/sol2.h (LIBGCC2_HAS_TF_MODE): Redefine.
2675 (LIBGCC2_TF_CEXT): Define.
2678 2010-03-30 Alexandre Oliva <aoliva@redhat.com>
2681 * cselib.c (n_useless_values): Document handling of debug locs.
2682 (n_useless_debug_values, n_debug_values): New variables.
2683 (new_elt_loc_list): Don't add to debug values, keep count.
2684 (promote_debug_loc): New.
2685 (cselib_reset_table): Zero new variables.
2686 (entry_and_rtx_equal_p): Promote debug locs.
2687 (discard_useless_locs): Increment n_useless_debug_values for
2689 (remove_useless_values): Adjust n_useless_values and n_debug_values
2690 with n_useless_debug_values.
2691 (add_mem_for_addr): Promote debug locs.
2692 (cselib_lookup_mem): Likewise.
2693 (cselib_lookup_addr): Renamed to...
2694 (cselib_lookup_addr_1): ... this. Promote debug locs. Don't call...
2695 (cselib_log_lookup): ... this. Turn into...
2696 (cselib_lookup_addr): ... new wrapper.
2697 (cselib_lookup_from_insn): New.
2698 (cselib_invalidate_regno): Increment n_useless_debug_values for
2700 (cselib_invalidate_mem): Likewise.
2701 (cselib_process_insn): Take n_deleted and n_debug_values into
2702 account to guard remove_useless_value call.
2703 (cselib_finish): Zero n_useless_debug_values.
2704 * cselib.h (cselib_lookup_from_insn): Declare.
2705 * sched-deps.c (sched_analyze_1): Use cselib_lookup_from_insn.
2706 (sched_analyze_2): Likewise.
2708 2010-03-30 Jakub Jelinek <jakub@redhat.com>
2710 * var-tracking.c (use_narrower_mode_test, use_narrower_mode): New
2712 (adjust_mems): Replace narrowing SUBREG of expression containing
2713 just PLUS, MINUS, MULT and ASHIFT of registers and constants
2714 with operations in the narrower mode.
2717 * var-tracking.c (dataflow_set_clear_at_call): Invalidate just
2718 regs_invalidated_by_call instead all call_used_reg_set registers.
2720 2010-03-30 Sebastian Pop <sebastian.pop@amd.com>
2723 * tree-vect-slp.c (vect_get_and_check_slp_defs): Replace type
2724 pointer comparisons with types_compatible_p.
2725 * tree-vect-stmts.c (vectorizable_call): Same.
2726 (vectorizable_condition): Same.
2728 2010-03-30 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2730 * config/s390/s390.c (s390_emit_prologue): Omit issuing a dynamic
2731 stack check if the mask would be zero.
2733 2010-03-30 Seongbae Park <seongbae.park@gmail.com>
2734 Jack Howarth <howarth@bromo.med.uc.edu>
2736 * tree-profile.c (tree_init_ic_make_global_vars): Make static
2739 2010-03-30 Joseph Myers <joseph@codesourcery.com>
2742 * libgcc-std.ver (GCC_4.5.0): Define version. Include __unordxf2
2744 * config/bfin/libgcc-bfin.ver (GCC_4.5.0): Define version.
2745 Include ___unordxf2 and ___unordtf2.
2746 * config/i386/libgcc-glibc.ver: Do not define inheritance from
2749 2010-03-30 Tarik Graba <tarik.graba@telecom-paristech.fr>
2751 * config/lm32/t-lm32: New file.
2752 * config.gcc: Use the above file when targetting lm32.
2754 2010-03-28 Duncan Sands <baldrick@free.fr>
2756 * Makefile.in (PLUGIN_HEADERS): Add except.h.
2758 2010-03-29 Sebastian Pop <sebastian.pop@amd.com>
2761 * tree-vect-loop.c (vect_estimate_min_profitable_iters):
2762 Improve vectorization cost model diagnostic.
2764 2010-03-29 Sebastian Pop <sebastian.pop@amd.com>
2767 * tree-vect-data-refs.c (vect_analyze_data_refs): When
2768 compute_data_dependences_for_loop returns false, early exit
2769 and output an extra diagnostic for the failed data reference
2772 2010-03-29 Richard Guenther <rguenther@suse.de>
2774 PR tree-optimization/43560
2775 * tree-ssa-loop-im.c (ref_always_accessed_p): Add store_p parameter.
2776 (can_sm_ref_p): Treat stores to readonly locations as trapping.
2778 2010-03-29 Jie Zhang <jie@codesourcery.com>
2781 * toplev.c (process_options): Set optimization_default_node
2782 and optimization_current_node.
2783 * opts.c (decode_options): Don't set optimization_default_node
2784 and optimization_current_node.
2786 2010-03-29 Ralf Corsépius <ralf.corsepius@rtems.org>
2788 * config/rtems.h: Abandon -qrtems_debug.
2790 2010-03-28 Jan Hubicka <jh@suse.cz>
2792 PR tree-optimization/43505
2793 * cgraph.c (cgraph_clone_node): When clonning a clone, replacement
2794 map should not be copied.
2796 2010-03-27 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2799 * cgraphunit.c (cgraph_build_static_cdtor): If target doesn't have
2800 cdtors, set DECL_PRESERVE_P.
2801 * ipa.c (cgraph_externally_visible_p): Return true if declaration
2804 2010-03-27 Uros Bizjak <ubizjak@gmail.com>
2806 PR tree-optimization/43528
2807 * stor-layout.c (place_field): Check that constant fits into
2808 unsigned HWI when skipping calculation of MS bitfield layout.
2810 2010-03-27 Jan Hubicka <jh@suse.cz>
2813 * varasm.c (make_decl_rtl): Deal with COMMON flag to make
2814 notice_global_symbol work.
2816 2010-03-27 Jakub Jelinek <jakub@redhat.com>
2818 * dwarf2out.c (dwarf2_debug_hooks): Use dwarf2out_function_decl
2819 instead of dwarf2out_decl.
2820 (struct var_loc_node): Remove section_label field.
2821 (dwarf2out_function_decl): New function.
2822 (dwarf2out_var_location): Don't set section_label field.
2823 (dwarf2out_begin_function): Don't empty decl_loc_table here.
2825 2010-03-26 Michael Meissner <meissner@linux.vnet.ibm.com>
2827 PR tree-optimization/43544
2828 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
2829 First argument for builtin vectorized function hook is now a
2830 tree to be able to distinguish between machine specific and
2832 * targhooks.c (default_builtin_vectorized_function): Ditto.
2833 * targhooks.h (default_builtin_vectorized_function): Ditto.
2834 * target.h (struct gcc_target): Ditto.
2835 * tree-vect-stmts.c (vectorizable_function): Ditto.
2836 * config/i386/i386.c (ix86_builtin_vectorized_function): Ditto.
2837 * config/rs6000/rs6000.c (rs6000_builtin_vectorized_function):
2840 2010-03-26 Joseph Myers <joseph@codesourcery.com>
2843 * c-decl.c (get_parm_info): Assert that decl going in OTHERS has a
2844 nested binding iff it is a FUNCTION_DECL.
2845 (store_parm_decls_newstyle): Pass nested=true to bind for
2846 FUNCTION_DECLs amongst parameters.
2848 2010-03-26 Jakub Jelinek <jakub@redhat.com>
2850 * var-tracking.c (vt_expand_loc_callback): Don't run
2851 cselib_expand_value_rtx_cb in dummy mode if
2852 cselib_dummy_expand_value_rtx_cb returned false.
2854 * var-tracking.c (emit_note_insn_var_location): For one part
2855 notes with offset 0, don't add EXPR_LIST around the location.
2856 * dwarf2out.c (loc_descriptor, dw_loc_list_1,
2857 add_location_or_const_value_attribute): Adjust for that change.
2860 * dwarf2out.c (reg_save): For DW_CFA_expression put regnum
2861 into first operand and location into second.
2862 (dw_cfi_oprnd1_desc): Return dw_cfi_oprnd_reg_num instead of
2863 dw_cfi_oprnd_loc for DW_CFA_expression.
2864 (dw_cfi_oprnd2_desc): Return dw_cfi_oprnd_loc for DW_CFA_expression.
2865 (output_cfa_loc, output_cfa_loc_raw): For DW_CFA_expression
2866 assume first argument is regnum and second argument is location.
2868 2010-03-26 Uros Bizjak <ubizjak@gmail.com>
2871 * config/alpha/alpha.md (*cmp_sadd_si): Change mode
2872 of scratch register to DImode. Split to DImode comparison operator.
2873 Use SImode subreg of scratch register in the multiplication.
2874 (*cmp_sadd_sidi): Ditto.
2875 (*cmp_ssub_si): Ditto.
2876 (*cmp_ssub_sidi): Ditto.
2878 2010-03-26 Uros Bizjak <ubizjak@gmail.com>
2881 * config/i386/i386.c (ix86_expand_prologue) [TARGET_STACK_PROBE]:
2882 Remove invalid assert and wrong comment.
2884 2010-03-26 Jakub Jelinek <jakub@redhat.com>
2887 * flags.h (final_insns_dump_p): New extern.
2888 * final.c (final_insns_dump_p): New variable.
2889 (rest_of_clean_state): Set it before -fdump-final-insns=
2890 dumping, clear afterwards.
2891 * print-rtl.c (print_rtx): If final_insns_dump_p don't dump
2892 MEM_ALIAS_SET on MEMs.
2894 2010-03-26 David S. Miller <davem@davemloft.net>
2896 * configure.ac: Fix sparc GOTDATA_OP bug check.
2897 * configure: Rebuild.
2899 2010-03-26 Alan Modra <amodra@gmail.com>
2901 * config/rs6000/rs6000.md (cmptf_internal2): Correct comparison.
2903 2010-03-25 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2905 * doc/tm.texi (Sections): Document TLS_COMMON_ASM_OP,
2906 TLS_SECTION_ASM_FLAG.
2908 2010-03-25 Jakub Jelinek <jakub@redhat.com>
2911 * config/i386/i386.c (ix86_code_end): Set DECL_WEAK if TARGET_MACHO.
2912 Clear first_function_block_is_cold.
2915 * gimplify.c (gimple_boolify): Only recurse on __builtin_expect
2916 argument if the argument is truth_value_p.
2918 2010-03-24 Michael Meissner <meissner@linux.vnet.ibm.com>
2920 * config/rs6000/constraints.md: Update copyright year for my changes.
2923 * config/rs6000/rs6000.c (rs6000_split_multireg_move): If r0 is
2924 used in reg+reg addressing, swap registers.
2926 2010-03-24 Jakub Jelinek <jakub@redhat.com>
2929 * target.h (struct gcc_target): Add code_end hook.
2930 * target-def.h (TARGET_ASM_CODE_END): Define to hook_void_void
2932 (TARGET_ASM_OUT): Add TARGET_ASM_CODE_END.
2933 * toplev.c (compile_file): Call targetm.asm_out.code_end
2934 hook before unwind info/debug info output.
2935 * config/i386/winnt.c (i386_pe_file_end): Don't call ix86_file_end.
2936 * config/i386/linux.h (NEED_INDICATE_EXEC_STACK): Don't define.
2937 (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
2938 * config/i386/linux64.h (NEED_INDICATE_EXEC_STACK): Don't define.
2939 (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
2940 * config/i386/i386.c (ix86_file_end): Renamed to...
2941 (ix86_code_end): ... this. Make static. Don't call
2942 file_end_indicate_exec_stack. Emit unwind info using
2943 final_start_function/final_end_function.
2944 (darwin_x86_file_end): Remove.
2945 (TARGET_ASM_CODE_END): Define.
2946 * config/i386/i386.h (TARGET_ASM_FILE_END,
2947 NEED_INDICATE_EXEC_STACK): Don't define.
2948 * config/i386/darwin.h (darwin_x86_file_end): Remove prototype.
2949 (TARGET_ASM_FILE_END): Define to darwin_file_end.
2950 * config/i386/i386-protos.h (ix86_file_end): Remove prototype.
2951 * doc/tm.texi (TARGET_ASM_CODE_END): Document.
2954 * config/i386/i386.c (x86_output_mi_thunk): Call final_start_function
2955 at the beginning and final_end_function at the end.
2956 * config/s390/s390.c (s390_output_mi_thunk): Likewise.
2958 2010-03-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2960 * configure.ac (i[34567]86-*-*): Handle Solaris 2/x86 TLS support
2961 and Sun as TLS syntax.
2962 (TLS_SECTION_ASM_FLAG) [on_solaris && !gas_flag]: Define.
2963 * configure: Regenerate.
2964 * config.in: Regenerate.
2965 * varasm.c (TLS_SECTION_ASM_FLAG): Define default.
2966 (default_elf_asm_named_section): Use it.
2967 * config/i386/i386.c (output_pic_addr_const): Lowercase @DTPOFF.
2968 (i386_output_dwarf_dtprel): Likewise.
2969 (output_addr_const_extra): Likewise.
2970 (output_pic_addr_const): Lowercase @GOTTPOFF.
2971 (output_addr_const_extra): Likewise.
2972 (output_pic_addr_const): Lowercase @GOTNTPOFF.
2973 (output_addr_const_extra): Likewise.
2974 (output_pic_addr_const): Lowercase @INDNTPOFF.
2975 (output_addr_const_extra): Likewise.
2976 (output_pic_addr_const): Lowercase @NTPOFF.
2977 (output_addr_const_extra): Likewise.
2978 (output_pic_addr_const): Lowercase @TPOFF.
2979 (output_addr_const_extra): Likewise.
2980 * config/i386/i386.md (*tls_global_dynamic_32_gnu): Lowercase @TLSGD.
2981 (*tls_global_dynamic_64): Likewise.
2982 (*tls_local_dynamic_base_32_gnu): Lowercase @TLSLDM.
2983 (*tls_local_dynamic_base_64): Lowercase @TLSLD.
2985 * defaults.h (TLS_COMMON_ASM_OP): Provide default.
2986 (ASM_OUTPUT_TLS_COMMON): Use it.
2987 * config/i386/sol2-gas.h (TLS_COMMON_ASM_OP): Undef.
2990 * config.gcc (sparc*-*-solaris2*) [$gas=yes]: Add usegas.h to tm_file.
2991 * config/sparc/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): Move ...
2992 * config/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): ... here.
2993 * config/i386/sol2-10.h (ASM_OUTPUT_ALIGNED_COMMON): Redefine.
2994 * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
2995 (ASM_DECLARE_OBJECT_NAME) [!USE_GAS]: Redefine.
2997 2010-03-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2999 * config/i386/i386.c (override_options): Don't accept
3000 -mtls-dialect=sun any longer.
3001 * config/i386/i386.h (TARGET_SUN_TLS): Define as 0.
3002 * config/i386/i386.md (*tls_global_dynamic_32_sun): Remove.
3003 (*tls_local_dynamic_base_32_sun): Likewise.
3004 * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
3006 2010-03-24 Jakub Jelinek <jakub@redhat.com>
3009 * dwarf2out.c (mem_loc_descriptor): Don't ICE on
3010 VEC_{MERGE,SELECT,CONCAT,DUPLICATE}.
3013 * ira.c (adjust_cleared_regs): New function.
3014 (update_equiv_regs): Adjust cleared_regs in DEBUG_INSNs.
3018 * cfgexpand.c (gimple_assign_rhs_to_tree): Also set TREE_BLOCK
3020 * expr.c (expand_expr_real): Restore previous
3021 curr_insn_source_location and curr_insn_block after
3022 expand_expr_real_1 call.
3023 (expand_expr_real_1) <case SSA_NAME>: Call expand_expr_real
3024 instead of expand_expr_real_1.
3026 2010-03-23 Vladimir Makarov <vmakarov@redhat.com>
3028 PR rtl-optimization/43413
3029 * ira-color.c (setup_allocno_available_regs_num): Count prohibited
3032 2010-03-22 James E. Wilson <wilson@codesourcery.com>
3035 * ia64.md (call_nogp, call_value_nogp, sibcall_nogp, call_gp,
3036 call_value_gp, sibcall_gp): Use 's' constraint not 'i'.
3038 2010-03-22 H.J. Lu <hongjiu.lu@intel.com>
3040 * config/i386/i386.c (ix86_target_string): Add -mfma.
3041 Fix a typo in comment.
3043 2010-03-22 Mike Stump <mikestump@comcast.net>
3046 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
3047 Don't overly align based upon packed packed fields.
3049 2010-03-22 Jason Merrill <jason@redhat.com>
3051 * c-pretty-print.c (pp_c_specifier_qualifier_list) [VECTOR_TYPE]:
3052 Use () rather than [], and move before the element type.
3054 2010-03-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3056 * doc/configfiles.texi (Configuration Files): Removed
3057 fixinc/Makefile*, intl/Makefile.*.
3058 * doc/makefile.texi: Fixed markup. Abstract from version
3059 control system used.
3060 (Makefile): Removed obsolete gcc/java/parse.y example.
3061 * doc/sourcebuild.texi: Likewise.
3062 (Top Level): Added config, gnattools, libdecnumber, libgcc,
3063 libgomp, libssp. Removed fastjar.
3064 (Miscellaneous Docs): Clarify location.
3065 Added COPYING3, COPYING3.LIB.
3066 (Front End Directory): Moved Make-lang.in entry to new subsubsection.
3068 2010-03-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3071 * config/i386/i386.c (x86_function_profiler)
3072 [!NO_PROFILE_COUNTERS]: Fix typo.
3073 * config/i386/gmon-sol2.c (_mcleanup) [__x86_64__]: Use call
3076 2010-03-22 Janis Johnson <janis187@us.ibm.com>
3077 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3079 * doc/sourcebuild.texi (Test Directives): Split into six
3080 subsections, with most of the current text in new subsections
3081 Directives, Selectors, and Final Actions.
3082 (Directives): Split list of test directives into multiple
3084 (Selectors): Describe use and syntax of selectors.
3085 (Effective-Target Keywords): Describe all existing keywords.
3086 (Add Options): Describe features for dg-add-options.
3087 (Require Support): Describe variants of dg-require-support.
3088 (Final Actions): Describe commands to use in dg-final.
3090 2010-03-22 Michael Matz <matz@suse.de>
3093 * recog.c (validate_replace_rtx_group): Replace also in
3094 REG_EQUAL and REG_EQUIV notes.
3096 2010-03-22 Richard Guenther <rguenther@suse.de>
3098 PR tree-optimization/43390
3099 * tree-vect-stmts.c (get_vectype_for_scalar_type): Make
3100 sure vector extracts are type correct.
3102 2010-03-22 Richard Guenther <rguenther@suse.de>
3105 * builtins.c (expand_builtin_pow): Expand pow (x, 1.5) as
3106 x * sqrt (x) even when optimizing for size if the target
3107 has native support for sqrt.
3109 2010-03-22 Jakub Jelinek <jakub@redhat.com>
3111 * varasm.c (make_decl_rtl_for_debug): Also clear
3112 flag_mudflap for the duration of make_decl_rtl call.
3115 * var-tracking.c (add_cselib_value_chains): Remove ASM_OPERANDS
3116 locs from preserved VALUEs.
3118 2010-03-21 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3121 * pa.md (movmemsi): Set align to one if zero.
3122 (movmemdi): Likewise.
3124 2010-03-21 Richard Earnshaw <rearnsha@arm.com>
3127 * arm.c (arm_output_epilogue): Correctly match VFP pop instructions
3128 with their corresponding prologue pushes.
3130 2010-03-20 Andrew Pinski <pinskia@gmail.com>
3133 * config/spu/spu.c (spu_expand_prologue): Don't emit NOTE_INSN_DELETED
3134 at the begining or end.
3135 (spu_expand_epilogue): Likewise.
3137 2010-03-20 Richard Guenther <rguenther@suse.de>
3139 PR rtl-optimization/43438
3140 * combine.c (make_extraction): Properly zero-/sign-extend an
3141 extraction of the low part of a CONST_INT. Also handle
3144 2010-03-19 Mike Stump <mikestump@comcast.net>
3146 * config/i386/darwin.h (SUBTARGET32_DEFAULT_CPU): Add.
3147 * config/i386/i386.c (SUBTARGET32_DEFAULT_CPU): Add.
3148 (override_options): Use SUBTARGET32_DEFAULT_CPU.
3150 2010-03-19 Andrew Pinski <andrew_pinski@caviumnetworks.com>
3153 * c-decl.c (grokparms): Set arg_types to NULL_TREE if there was
3156 2010-03-19 Bernd Schmidt <bernds@codesourcery.com>
3158 PR rtl-optimization/42258
3159 * ira-lives.c (check_and_make_def_conflict): Ignore conflict for a
3160 use that may match DEF.
3163 * optabs.c (avoid_expensive_constant): Use rtx_cost to find out
3164 the cost of loading the constant rather than assuming
3166 * config/arm/arm.c (thumb1_rtx_costs) <case CONST_INT>: If the
3167 outer code is AND, do the same tests as the andsi3 expander and
3168 return COSTS_N_INSNS (1) if and is cheap.
3170 * optabs.c (avoid_expensive_constant): Fix formatting.
3172 2010-03-19 Michael Matz <matz@suse.de>
3175 * attribs.c (decl_attributes): When rebuilding a function pointer
3176 type use the same qualifiers as the original pointer type.
3178 2010-03-19 Martin Jambor <mjambor@suse.cz>
3180 * doc/gimple.texi (Logical Operators): Describe is_gimple_ip_invariant
3181 and is_gimple_ip_invariant_address.
3183 2010-03-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
3186 2009-10-01 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
3188 * config/arm/arm.c (arm_override_options): Turn off
3189 flag_dwarf2_cfi_asm for AAPCS variants.
3191 2010-03-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
3194 * config/arm/arm.c (emit_multi_reg_push): Update comments.
3195 Use PRE_MODIFY instead of PRE_DEC.
3196 (emit_sfm): Use PRE_MODIFY instead of PRE_DEC.
3197 (vfp_emit_fstmd): Likewise.
3199 2010-03-19 Michael Matz <matz@suse.de>
3202 * builtins.c (expand_builtin_interclass_mathfn,
3203 expand_builtin_signbit): Use maybe_emit_unop_insn, emit libcalls
3206 2010-03-19 Richard Guenther <rguenther@suse.de>
3208 PR tree-optimization/43415
3209 * tree-ssa-pre.c (phi_translate): Split out worker to ...
3210 (phi_translate_1): ... this.
3211 (phi_translate): Move all caching here. Cache all NARY
3212 and REFERENCE translations.
3214 2010-03-19 David S. Miller <davem@davemloft.net>
3216 With help from Eric Botcazou.
3217 * config/sparc/sparc.c: Include dwarf2out.h.
3218 (emit_pic_helper): Delete.
3219 (pic_helper_symbol_name): Delete.
3220 (pic_helper_emitted_p): Delete.
3221 (pic_helper_needed): New.
3222 (USE_HIDDEN_LINKONCE): Define to '1' if HAVE_GAS_HIDDEN else '0'.
3223 (get_pc_thunk_name): New.
3224 (load_pic_register): Remove 'delay_pic_helper' arg. Use
3225 get_thunk_pc_name and ggc_strdup to generate PIC thunk symbol.
3226 Set pic_helper_needed to true. Don't call emit_pic_helper.
3227 (sparc_expand_prologue): Update load_pic_register call.
3228 (sparc_output_mi_thunk): Likewise.
3229 (sparc_file_end): Emit a hidden comdat symbol for the PIC
3230 thunk if possible. Output CFI information as needed.
3232 2010-03-18 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
3233 Jack Howarth <howarth@bromo.med.uc.edu>
3236 * config/i386/i386.h: Fix ABI on darwin x86-32.
3238 2010-03-18 Aldy Hernandez <aldyh@redhat.com>
3240 * tree.h: Declare make_decl_rtl_for_debug.
3241 * varasm.c (make_decl_rtl_for_debug): New.
3242 * dwarf2out.c (rtl_for_decl_location): Call it.
3243 * cfgexpand.c (expand_debug_expr): Call it.
3245 2010-03-18 Jakub Jelinek <jakub@redhat.com>
3248 * var-tracking.c (adjust_mems) <case POST_MODIFY>: Allow BLKmode
3252 * var-tracking.c (vt_init_cfa_base): Do nothing if
3253 cfa_base_rtx would be hard_frame_pointer_rtx or non-fixed register.
3255 2010-03-18 Alexandre Oliva <aoliva@redhat.com>
3258 * var-tracking.c (canonicalize_vars_star): New.
3259 (dataflow_post_merge_adjust): Use it.
3261 2010-03-18 Jakub Jelinek <jakub@redhat.com>
3264 * var-tracking.c (non_suitable_const): New function.
3265 (add_uses): For DEBUG_INSNs with constants, don't record any
3266 value, instead just the constant value itself.
3267 (compute_bb_dataflow) <case MO_VAL_LOC>: If PAT_VAR_LOCATION_LOC
3268 is not VAR_LOC_UNKNOWN_P, set var to the constant.
3269 (emit_notes_in_bb): Likewise.
3270 (emit_note_insn_var_location): For onepart variables if
3271 cur_loc is a VOIDmode constant, use DECL_MODE.
3273 2010-03-18 Martin Jambor <mjambor@suse.cz>
3276 * cgraph.h (cgraph_redirect_edge_call_stmt_to_callee): Declare.
3277 * cgraphunit.c (cgraph_materialize_all_clones): Update calls in
3278 all non-clones. Moved call redirection...
3279 (cgraph_redirect_edge_call_stmt_to_callee): ...to this new function.
3280 (cgraph_materialize_all_clones): Dispose of all
3281 combined_args_to_skip bitmaps.
3282 (verify_cgraph_node): Do not check for edges pointing to wrong
3283 nodes in inline clones.
3284 * tree-inline.c (copy_bb): Call
3285 cgraph_redirect_edge_call_stmt_to_callee.
3286 * ipa.c (cgraph_remove_unreachable_nodes): Call
3287 cgraph_node_remove_callees even when there are used clones.
3289 2010-03-18 H.J. Lu <hongjiu.lu@intel.com>
3291 * config/i386/libgcc-glibc.ver: Make GCC_4.5.0 inherit GCC_4.4.0.
3293 2010-03-18 H.J. Lu <hongjiu.lu@intel.com>
3296 * config/i386/libgcc-glibc.ver: Add __extendxftf2 to GCC_4.5.0
3299 2010-03-18 Michael Matz <matz@suse.de>
3302 * builtins.c (expand_builtin_pow): Don't transform pow(x, 0.5)
3303 into sqrt(x) if we need to preserve signed zeros.
3305 2010-03-18 Steven Bosscher <steven@gcc.gnu.org>
3306 Eric Botcazou <ebotcazou@adacore.com>
3308 PR rtl-optimization/43360
3309 * loop-invariant.c (move_invariant_reg): Remove the REG_EQUAL
3310 note if we don't know its invariant status.
3312 2010-03-18 Michael Matz <matz@suse.de>
3314 PR tree-optimization/43402
3315 * tree-cfgcleanup.c (cleanup_control_expr_graph): Don't follow
3316 PHI chains of ssa names registered for update.
3318 2010-03-17 Peter Bergner <bergner@vnet.ibm.com>
3321 * config/rs6000/rs6000.c (rs6000_split_multireg_move): Add support for
3322 non-offsettable and pre_modify update addressing.
3323 * config/rs6000/dfp.md (*movdd_hardfloat32): Make the "0", "1"
3324 and "2" alternatives "#".
3325 (*movdd_softfloat32): Make all alternatives "#";
3326 * config/rs6000/rs6000.md (DIFD): New define_mode_iterator.
3327 (*movdf_hardfloat32): Make the "0", "1" and "2" alternatives "#".
3328 (*movdf_softfloat32): Make all alternatives "#";
3329 (movdi): Use the new DIFD mode iterator to create a common splitter
3330 for movdi, movdf and movdd patterns.
3332 2010-03-18 Shujing Zhao <pearly.zhao@oracle.com>
3334 * common.opt (dumpdir): Remove redundant tab.
3336 2010-03-17 Martin Jambor <mjambor@suse.cz>
3338 PR tree-optimization/43347
3339 * tree-sra.c (create_access_replacement): Set TREE_NO_WARNING when the
3340 original base is DECL_ARTIFICIAL or DECL_IGNORED_P.
3342 2010-03-17 Bernd Schmidt <bernd.schmidt@analog.com>
3344 PR rtl-optimization/42216
3345 * regrename.c (create_new_chain): New function, broken out from...
3346 (scan_rtx_reg): ... here. Call it. Handle the case where we are
3347 appending a use to an empty chain.
3348 (build_def_use): Remove previous changes that convert OP_INOUT to
3349 OP_OUT operands; instead detect the case where an OP_INOUT operand
3350 uses a previously untracked register and create an empty chain for it.
3352 2010-03-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3354 * doc/extend.texi (Function Attributes): Rewrite unfinished
3355 sentence in ms_abi documentation.
3357 2010-03-17 Alan Modra <amodra@gmail.com>
3359 * config/rs6000/linux64.opt (mprofile-kernel): Use profile_kernel var.
3360 * config/rs6000/linux64.h (TARGET_PROFILE_KERNEL): Define.
3361 (SUBSUBTARGET_OVERRIDE_OPTIONS): Don't use SET_PROFILE_KERNEL.
3362 * config/rs6000/rs6000.c (SET_PROFILE_KERNEL): Don't define.
3364 2010-03-16 Richard Henderson <rth@redhat.com>
3367 * tree-eh.c (replace_goto_queue): Also replace in the eh_seq.
3368 (lower_try_finally): Save and restore eh_seq around the expansion
3371 2010-03-16 Aldy Hernandez <aldyh@redhat.com>
3373 * graphite-sese-to-poly.c (split_reduction_stmt): Skip debug
3374 statements before splitting block.
3376 2010-03-16 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3378 * doc/sourcebuild.texi (Testsuites): Fix markup.
3379 Use pathnames relative to gcc/testsuite.
3380 (Test Directives): Move description of how timeout is determined.
3381 (Ada Tests): Favor gnat.exp over ada/acats/tests/gcc.
3382 (C Tests): Correct gcc.misc-tests directory.
3383 Framework tests now live in gcc.test-framework.
3385 2010-03-16 Richard Guenther <rguenther@suse.de>
3388 * tree-cfg.c (gimple_merge_blocks): When propagating virtual PHI
3389 operands make sure to merge SSA_NAME_OCCURS_IN_ABNORMAL_PHI properly.
3391 2010-03-16 Aldy Hernandez <aldyh@redhat.com>
3392 Alexandre Oliva <aoliva@redhat.com>
3394 PR tree-optimization/42917
3395 * lambda-code.c (remove_iv): Skip debug statements.
3396 (lambda_loopnest_to_gcc_loopnest): Likewise.
3397 (not_interesting_stmt): Debug statements are not interesting.
3399 2010-03-16 Jakub Jelinek <jakub@redhat.com>
3403 * cselib.c (cselib_preserve_constants,
3404 cfa_base_preserved_val): New static variables.
3405 (preserve_only_constants): New function.
3406 (cselib_reset_table): If cfa_base_preserved_val is non-NULL, don't
3407 clear its REG_VALUES. If cselib_preserve_constants, don't
3408 empty the whole hash table, but preserve there VALUEs with constants,
3409 cfa_base_preserved_val and cfa_base_preserved_val plus constant.
3410 (cselib_preserve_cfa_base_value): New function.
3411 (cselib_invalidate_regno): Don't invalidate cfa_base_preserved_val.
3412 (cselib_init): Change argument to int bitfield. Set
3413 cselib_preserve_constants to whether CSELIB_PRESERVE_CONSTANTS
3415 (cselib_finish): Clear cselib_preserve_constants and
3416 cfa_base_preserved_val.
3417 * cselib.h (enum cselib_record_what): New enum.
3418 (cselib_init): Change argument to int.
3419 (cselib_preserve_cfa_base_value): New prototype.
3420 * postreload.c (reload_cse_regs_1): Adjust cselib_init caller.
3421 * dse.c (dse_step1): Likewise.
3422 * cfgcleanup.c (thread_jump): Likewise.
3423 * sched-deps.c (sched_analyze): Likewise.
3424 * gcse.c (local_cprop_pass): Likewise.
3425 * simplify-rtx.c (simplify_replace_fn_rtx): Add argument to callback.
3426 If FN is non-NULL, call the callback always and whenever it returns
3427 non-NULL just return that. Only do rtx_equal_p if FN is NULL.
3428 * rtl.h (simplify_replace_fn_rtx): Add argument to callback.
3429 * combine.c (propagate_for_debug_subst): Add old_rtx argument,
3430 compare from with old_rtx and if it isn't rtx_equal_p, return NULL.
3431 * Makefile.in (var-tracking.o): Depend on $(RECOG_H).
3432 * var-tracking.c: Include recog.h.
3433 (bb_stack_adjust_offset): Remove.
3434 (vt_stack_adjustments): Don't call it, instead just gather the
3435 adjustments using insn_stack_adjust_offset_pre_post on each bb insn.
3436 (adjust_stack_reference): Remove.
3437 (compute_cfa_pointer): New function.
3438 (hard_frame_pointer_adjustment, cfa_base_rtx): New static variables.
3439 (struct adjust_mem_data): New type.
3440 (adjust_mems, adjust_mem_uses, adjust_mem_stores, adjust_insn): New
3442 (get_address_mode): New function.
3443 (replace_expr_with_values): Use it.
3444 (use_type): Don't do cselib_lookup for VAR_LOC_UNKNOWN_P.
3445 Use get_address_mode. For cfa_base_rtx return MO_CLOBBER.
3446 (adjust_sets): Remove.
3447 (add_uses): Don't add extra MO_VAL_USE for cfa_base_rtx plus constant.
3448 Use get_address_mode.
3449 (get_adjusted_src): Remove.
3450 (add_stores): Don't call it. Never reuse expr SET. Don't add extra
3451 MO_VAL_USE for cfa_base_rtx plus constant. Use get_address_mode.
3452 (add_with_sets): Don't call adjust_sets.
3453 (fp_setter, vt_init_cfa_base): New functions.
3454 (vt_initialize): Change return type to bool. Move most of pool etc.
3455 initialization to the beginning of the function from end. Pass
3456 CSELIB_RECORD_MEMORY | CSELIB_PRESERVE_CONSTANTS to cselib_init.
3457 If !frame_pointer_needed, call vt_stack_adjustment before mos
3458 vector is filled, call vt_init_cfa_base if argp/framep has been
3459 eliminated to sp. If frame_pointer_needed and argp/framep has
3460 been eliminated to hard frame pointer, set
3461 hard_frame_pointer_adjustment and call vt_init_cfa_base after
3462 encountering fp setter in the prologue. For MO_ADJUST, call
3463 log_op_type before pusing the op into mos vector, not afterwards.
3464 Call adjust_insn before cselib_process_insn/add_with_sets,
3465 call cancel_changes (0) afterwards.
3466 (variable_tracking_main_1): Adjust for vt_initialize calling
3467 vt_stack_adjustments and returning whether it succeeded or not.
3469 2010-03-15 Aldy Hernandez <aldyh@redhat.com>
3471 * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_deps): Skip
3474 2010-03-15 Jakub Jelinek <jakub@redhat.com>
3476 * dwarf2out.c (dwarf2out_frame_debug): Don't assert drap_reg
3478 (based_loc_descr): Use DW_OP_fbreg for vdrap_reg even when
3479 drap_reg has not been set.
3481 2010-03-15 Michael Matz <matz@suse.de>
3484 * tree-outof-ssa.c (emit_partition_copy): New argument sizeexp,
3485 use it to expand block copies.
3486 (insert_partition_copy_on_edge, insert_rtx_to_part_on_edge,
3487 insert_part_to_rtx_on_edge): Adjust callers of emit_partition_copy.
3488 (insert_value_copy_on_edge): Use store_expr for BLKmode values.
3490 2010-03-15 Richard Guenther <rguenther@suse.de>
3492 PR tree-optimization/43367
3493 * tree-cfg.c (gimple_can_merge_blocks_p): Simplify PHI
3496 2010-03-15 Richard Guenther <rguenther@suse.de>
3498 PR tree-optimization/43317
3499 * ipa-struct-reorg.c (create_new_general_access): Update stmt.
3501 2010-03-15 Martin Jambor <mjambor@suse.cz>
3503 PR tree-optimization/43141
3504 * tree-sra.c (create_abstract_origin): New function.
3505 (modify_function): Call create_abstract_origin.
3507 2010-03-15 Chris Demetriou <cgd@google.com>
3509 * Makefile.in (stmp-int-hdrs): Don't chmod include/stdint.h if it
3512 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
3515 * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Do not
3516 call insert_out_of_ssa_copy for default definitions.
3518 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
3520 * graphite-clast-to-gimple.c (my_long_long): Defined.
3521 (gcc_type_for_cloog_iv): Use it instead of long_long_integer_type_node.
3522 * graphite-sese-to-poly.c (my_long_long): Defined.
3523 (scop_ivs_can_be_represented): Use it.
3525 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
3527 * doc/invoke.texi: Fix documentation of graphite-max-nb-scop-params,
3528 graphite-max-bbs-per-function, and loop-block-tile-size.
3529 * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Replace "maximal"
3531 (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Same.
3533 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
3535 * graphite-clast-to-gimple.c (gcc_type_for_iv_of_clast_loop): Remove
3536 forward declaration.
3537 * graphite-sese-to-poly.c (reduction_phi_p): Remove FIXME comment.
3538 (add_upper_bounds_from_estimated_nit): New.
3539 (build_loop_iteration_domains): Use it.
3541 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
3543 * doc/invoke.texi (PARAM_LOOP_BLOCK_TILE_SIZE): Document.
3545 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
3548 * tree-chrec.c (evolution_function_right_is_integer_cst): CHREC_RIGHT
3549 should be an INTEGER_CST. Also handle CASE_CONVERT.
3551 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
3553 * graphite.c (graphite_initialize): To bound the number of bbs per
3554 function, use PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION.
3555 * params.def (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Declared.
3556 * doc/invoke.texi: Document it.
3558 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
3560 * graphite-sese-to-poly.c (build_poly_scop): Do not return bool.
3561 * graphite-sese-to-poly.h (build_poly_scop): Same.
3563 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
3565 * graphite-sese-to-poly.c (build_poly_scop): Limit scops following
3566 the number of parameters in the scop. Use as an upper bound
3567 PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS.
3568 * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Declared.
3569 * doc/invoke.texi: Document it.
3571 2010-03-13 Jerry Quinn <jlquinn@optonline.net>
3573 * Makefile.in (TEXI_GCCINT_FILES): Remove c-tree.texi.
3574 * doc/c-tree.texi: Remove.
3575 * doc/generic.texi: Merge c-tree.texi here.
3576 * doc/gccint.texi (Trees): Remove menu entry.
3577 (c-tree.texi): Remove @include.
3578 * doc/rtl.texi (Reading RTL): Update pxref from Trees to GENERIC.
3579 * doc/languages.texi (Reading RTL): Ditto.
3581 2010-03-12 Steve Ellcey <sje@cup.hp.com>
3584 * config/ia64/sync.md (sync_compare_and_swap): Move memory fence.
3586 2010-03-12 Michael Meissner <meissner@linux.vnet.ibm.com>
3589 * gcc/config/rs6000/rs6000.c (rs6000_emit_move): Delete band-aid
3590 code added to work around reload clobbering CONST insns.
3592 2010-03-12 Jakub Jelinek <jakub@redhat.com>
3594 * cselib.c (LONG_TERM_PRESERVED_VALUE_P): Remove.
3595 (cselib_preserve_definitely, cselib_clear_preserve): Remove.
3596 (cselib_preserve_only_values): Remove retain argument, don't
3597 traverse hash table with cselib_{preserve_definitely,clear_preserve}.
3598 * cselib.h (cselib_preserve_only_values): Remove retain argument.
3599 * var-tracking.c (micro_operation): Move insn field before union.
3600 Add DEF_VEC_O and DEF_VEC_ALLOC_O for this type.
3601 (struct variable_tracking_info_def): Remove n_mos field, change
3602 mos into a vector of micro_operations.
3603 (count_uses, count_uses_1, count_stores, count_with_sets): Remove.
3604 (bb_stack_adjust_offset, log_op_type, add_uses, add_stores,
3605 compute_bb_dataflow, emit_notes_in_bb): Adjust for VTI (bb)->mos
3606 changing into a vector.
3607 (add_with_sets): Likewise. Ensure MO_VAL_USE uops from add_stores
3608 come before all other uops generated by add_stores.
3609 (vt_add_function_parameters): Adjust for cselib_preserve_only_values
3611 (vt_initialize): Likewise. Adjust for VTI (bb)->mos changing into
3612 a vector. Run just one pass over the bbs instead of separate counting
3613 and computation phase.
3614 (vt_finalize): Free VTI (bb)->mos vector instead of array.
3617 * tree-inline.c (remap_decls): Put old_var rather than origin_var
3618 into *nonlocalized_list vector.
3619 * dwarf2out.c (gen_formal_parameter_die): Call decl_ultimate_origin
3620 even if origin is non-NULL.
3621 (gen_variable_die): Likewise.
3622 (process_scope_var): Don't change origin.
3623 (gen_decl_die): Likewise.
3624 * tree-cfgcleanup.c (remove_forwarder_block): Check single_pred_p
3625 before adding new edges instead of after it, fix moving over
3628 2010-03-11 David S. Miller <davem@davemloft.net>
3630 * configure.ac (gcc_cv_as_cfi_advance_working): Skip a multiple
3632 * configure: Rebuild.
3634 2010-03-11 Martin Jambor <mjambor@suse.cz>
3636 PR tree-optimization/43257
3637 * tree.c (assign_assembler_name_if_neeeded): New function.
3638 (free_lang_data_in_cgraph): Assembler name assignment moved to the
3640 * tree.h (assign_assembler_name_if_neeeded): Declare.
3641 * cgraphunit.c (cgraph_analyze_function): Create an assembler name for
3642 the function if needed.
3644 2010-03-11 Chris Demetriou <cgd@google.com>
3646 * Makefile.in (stmp-int-hdrs): Make include/unwind.h,
3647 include/stdint-gcc.h, and include/stdint.h world-readable.
3649 2010-03-11 Richard Guenther <rguenther@suse.de>
3651 PR tree-optimization/43255
3652 * tree-vrp.c (process_assert_insertions_for): Do not insert
3653 asserts for trivial conditions.
3655 2010-03-11 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3657 PR tree-optimization/43280
3658 * tree-ssa-math-opts.c (find_bswap_1): Modify symbolic number
3659 generation. Move calculation of size out of the if branch.
3660 (find_bswap): Modify compare number generation.
3662 2010-03-11 Richard Guenther <rguenther@suse.de>
3665 * lto-streamer-in.c (maybe_fixup_decls): Simplify.
3666 (input_gimple_stmt): Fixup handled component types during
3667 operand read. Also fix up decls in ADDR_EXPRs.
3669 2010-03-10 Eric Botcazou <ebotcazou@adacore.com>
3671 * config/sparc/sol2-bi.h (CC1_SPEC): Default to -mcpu=v9 for -m32.
3672 * config/sparc/t-sol2-64 (MULTILIB_DIRNAMES): Use sparcv8plus.
3674 2010-03-10 Jan Hubicka <jh@suse.cz>
3677 * ipa.c (function_and_variable_visibility) Normalize COMMON bits.
3678 * varasm.c (get_variable_section): Don't do that here...
3679 (make_decl_rtl): ... and here.
3680 (do_assemble_alias): Produce decl RTL.
3681 (assemble_alias): Likewise.
3683 2010-03-10 Jakub Jelinek <jakub@redhat.com>
3686 * reg-notes.def (REG_CFA_SET_VDRAP): New note.
3687 * dwarf2out.c (dwarf2out_frame_debug_expr): Remove rule 20 - setting
3689 (dwarf2out_frame_debug): Handle REG_CFA_SET_VDRAP note.
3690 (based_loc_descr): Only express drap or vdrap regno based expressions
3691 using DW_OP_fbreg when not optimizing.
3692 * config/i386/i386.c (ix86_get_drap_rtx): When not optimizing,
3693 make the vDRAP = DRAP assignment RTX_FRAME_RELATED_P and add
3694 REG_CFA_SET_VDRAP note.
3696 2010-03-10 Alexander Monakov <amonakov@ispras.ru>
3698 PR tree-optimization/43236
3699 * tree-loop-distribution.c (generate_memset_zero): Fix off-by-one
3700 error in calculation of base address in reverse iteration case.
3701 (generate_builtin): Take number of latch executions if the statement
3704 2010-03-10 Andrey Belevantsev <abel@ispras.ru>
3707 * tree-eh.c: Include pointer-set.h.
3708 (lower_eh_dispatch): Filter out duplicate case labels and
3709 remove the unneeded edge when the label is unused. Return
3710 true when some edges are removed.
3711 (execute_lower_eh_dispatch): When any lowering resulted in
3712 removing an edge, also delete unreachable blocks.
3714 2010-03-10 Jakub Jelinek <jakub@redhat.com>
3717 * config/rs6000/rs6000.c (rs6000_delegitimize_address): Handle
3718 UNSPEC_MACHOPIC_OFFSET.
3720 2010-03-09 Andreas Schwab <schwab@linux-m68k.org>
3723 * config/m68k/m68k.c (TARGET_DELEGITIMIZE_ADDRESS): Define.
3724 (m68k_delegitimize_address): New function.
3726 2010-03-09 Jakub Jelinek <jakub@redhat.com>
3729 * dwarf2out.c (const_ok_for_output_1): Return 1 for UNSPECs.
3732 * var-tracking.c (adjust_sets): New function.
3733 (count_with_sets, add_with_sets): Use it.
3734 (get_adjusted_src): New inline function.
3735 (add_stores): Use it.
3738 * var-tracking.c (vt_expand_loc_callback) <case SUBREG>: If dummy,
3739 call cselib_dummy_expand_value_rtx_cb instead of
3740 cselib_expand_value_rtx_cb.
3743 * config/i386/t-i386 (i386.o): Depend on debug.h and dwarf2out.h.
3744 * config/i386/i386.c: Include debug.h and dwarf2out.h.
3745 (ix86_file_end): If dwarf2out_do_cfi_asm (), emit .cfi_startproc
3746 and .cfi_endproc around the pic thunks.
3747 (output_set_got): For TARGET_DEEP_BRANCH_PREDICTION pic, ensure
3748 all queued unwind info register saves are saved before the call.
3749 For !TARGET_DEEP_BRANCH_PREDICTION pic, ensure the call is
3750 considered as sp-=4 for unwind info and the pop as sp+=4 which
3751 also clobbers dest, but doesn't actually restore it.
3754 * config/i386/i386.c (ix86_get_drap_rtx): Don't set
3755 RTX_FRAME_RELATED_P.
3757 2010-03-09 Jie Zhang <jie@codesourcery.com>
3759 * config/arm/arm.md (thumb_mulsi3_v6): Remove trailing
3760 whitespaces in output template.
3762 2010-03-09 Jie Zhang <jie@codesourcery.com>
3764 * ira-lives.c (check_and_make_def_use_conflict): Don't fall
3767 2010-03-08 Jakub Jelinek <jakub@redhat.com>
3769 * Makefile.in (check_gcc_parallelize): Run dg-torture.exp and
3770 builtins.exp in a separate job.
3772 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
3774 * graphite-sese-to-poly.c (add_param_constraints): Use
3775 lower_bound_in_type and upper_bound_in_type.
3777 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
3779 * graphite-sese-to-poly.c (add_param_constraints): Use sizetype
3780 instead of unsigned_type_node.
3782 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
3783 Reza Yazdani <reza.yazdani@amd.com>
3786 * graphite-sese-to-poly.c (add_param_constraints): Insert bounds
3787 on pointer type parameters.
3789 2010-03-08 Tobias Grosser <grosser@fim.uni-passau.de>
3793 * graphite-clast-to-gimple.c (clast_to_gcc_expression): Also
3794 handle conversions from pointer to integers.
3795 (gcc_type_for_cloog_iv): Choose the smalles signed integer as an
3796 induction variable, to be able to work with code generated by CLooG.
3797 * graphite-sese-to-poly.c (scop_ivs_can_be_represented): New.
3798 (build_poly_scop): Bail out if we cannot codegen a loop.
3800 2010-03-08 Tobias Grosser <grosser@fim.uni-passau.de>
3802 * graphite-clast-to-gimple.c (translate_clast): Do not short-cut
3803 code generation with gloog_error.
3805 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
3807 * sese.c (expand_scalar_variables_ssa_name): Add new argument for type.
3808 Call fold_convert on all the returned values.
3809 (expand_scalar_variables_expr): Pass to
3810 expand_scalar_variables_ssa_name the type of the resulting expression.
3812 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
3814 * graphite-ppl.c (ppl_min_for_le_polyhedron): Renamed
3815 ppl_min_for_le_pointset.
3816 Use ppl_Pointset_Powerset_C_Polyhedron_minimize.
3817 * graphite-ppl.h (ppl_min_for_le_polyhedron): Update declaration.
3819 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
3821 * graphite-dependences.c (map_into_dep_poly): Removed.
3822 (dependence_polyhedron_1): Use combine_context_id_scat.
3824 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
3826 * graphite-poly.h (struct poly_scattering): Add layout documentation.
3827 (struct poly_bb): Same.
3828 (combine_context_id_scat): New.
3830 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
3833 * sese.c (name_defined_in_loop_p): Return false for default
3836 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
3838 * graphite-clast-to-gimple.c (find_cloog_iv_in_expr): Simplify
3839 and clean up the logic.
3841 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
3843 * graphite-sese-to-poly.c (add_param_constraints): Enabled: remove
3846 2010-03-08 Jakub Jelinek <jakub@redhat.com>
3848 * var-tracking.c (remove_cselib_value_chains): Define only for
3850 (dataflow_set_preserve_mem_locs, dataflow_set_remove_mem_locs,
3851 delete_slot_part, emit_notes_for_differences_1): Don't call
3852 remove_cselib_value_chains here.
3853 (set_slot_part, emit_notes_for_differences_2): Don't call
3854 add_cselib_value_chains here.
3855 (preserved_values): New vector.
3856 (preserve_value): New function.
3857 (add_uses, add_stores, vt_add_function_parameters): Use it
3858 instead of cselib_preserve_value.
3859 (changed_values_stack): New vector.
3860 (check_changed_vars_0): New function.
3861 (check_changed_vars_1, check_changed_vars_2): Use it.
3862 (emit_notes_for_changes): Call set_dv_changed (*, false) on all
3863 changed_values_stack VALUEs.
3864 (vt_emit_notes): For all preserved_values call
3865 add_cselib_value_chains. If ENABLE_CHECKING call
3866 remove_cselib_value_chains before verifying value_chains is empty.
3867 Initialize and free changed_values_stack.
3868 (vt_initialize): Initialize preserved_values.
3869 (vt_finalize): Free preserved_values.
3871 2010-03-08 Richard Guenther <rguenther@suse.de>
3873 PR tree-optimization/43269
3874 * tree-ssa-dse.c (dse_possible_dead_store_p): Fix post-dom
3877 2010-03-08 Martin Jambor <mjambor@suse.cz>
3879 * ipa-prop.h (struct ipa_param_descriptor): Removed the called field.
3880 (ipa_is_param_called): Removed.
3881 * ipa-prop.c (ipa_note_param_call): Do not set the called flag.
3882 (ipa_print_node_params): Do not print the called flag.
3883 (ipa_write_node_info): Do not stream the called flag.
3884 (ipa_read_node_info): Likewise.
3886 2010-03-07 Jakub Jelinek <jakub@redhat.com>
3889 * Makefile.in (var-tracking.o): Depend on pointer-set.h.
3890 * cselib.c (struct expand_value_data): Add dummy field.
3891 (cselib_expand_value_rtx, cselib_expand_value_rtx_cb): Initialize
3893 (cselib_dummy_expand_value_rtx_cb): New function.
3894 (cselib_expand_value_rtx_1): If evd->dummy is true, don't allocate
3896 * cselib.h (cselib_dummy_expand_value_rtx_cb): New prototype.
3897 * var-tracking.c: Include pointer-set.h.
3898 (variable): Change n_var_parts to char from int. Add
3899 cur_loc_changed and in_changed_variables fields.
3900 (variable_canonicalize): Remove.
3901 (shared_var_p): New inline function.
3902 (unshare_variable): Maintain cur_loc_changed and
3903 in_changed_variables fields. If var was in changed_variables,
3904 replace it there with new_var. Just copy cur_loc instead of
3905 resetting it to something else.
3906 (variable_union): Don't recompute cur_loc. Use shared_var_p.
3907 (dataflow_set_union): Don't call variable_canonicalize.
3908 (loc_cmp): If both x and y are DEBUG_EXPRs, compare uids
3909 of their DEBUG_EXPR_TREE_DECLs.
3910 (canonicalize_loc_order_check): Verify that cur_loc is NULL
3911 and in_changed_variables and cur_loc_changed is false.
3912 (variable_merge_over_cur): Clear cur_loc, in_changed_variables
3913 and cur_loc_changed. Don't update cur_loc here.
3914 (variable_merge_over_src): Don't call variable_canonicalize.
3915 (dataflow_set_preserve_mem_locs): Use shared_var_p. When
3916 removing loc that is equal to cur_loc, clear cur_loc,
3917 set cur_loc_changed and ensure variable_was_changed is called.
3918 (dataflow_set_remove_mem_locs): Use shared_var_p. Only
3919 compare pointers in cur_loc check, if it is equal to loc,
3920 clear cur_loc and set cur_loc_changed. Don't recompute cur_loc here.
3921 (variable_different_p): Remove compare_current_location argument,
3922 don't compare cur_loc.
3923 (dataflow_set_different_1): Adjust variable_different_p caller.
3924 (variable_was_changed): If dv had some var in changed_variables
3925 already, reset in_changed_variables flag for it and propagate
3926 cur_loc_changed over to the new variable. On empty var
3927 always set cur_loc_changed. Set in_changed_variables on whatever
3928 var is added to changed_variables.
3929 (set_slot_part): Clear cur_loc_changed and in_changed_variables.
3930 Use shared_var_p. When removing loc that is equal to cur_loc,
3931 clear cur_loc and set cur_loc_changed. If cur_loc is NULL at the
3932 end, don't set it to something else, just call variable_was_changed.
3933 (delete_slot_part): Use shared_var_p. When cur_loc equals to
3934 loc being removed, clear cur_loc and set cur_loc_changed.
3935 Set cur_loc_changed if all locations have been removed.
3936 (struct expand_loc_callback_data): New type.
3937 (vt_expand_loc_callback): Add dummy mode in which no rtxes are
3938 allocated. Always create SUBREGs if simplify_subreg failed.
3939 Prefer to use cur_loc, when that fails and still in
3940 changed_variables (and seen first time) recompute it. Set
3941 cur_loc_changed of variables which had to change cur_loc and
3942 compute elcd->cur_loc_changed if any of the subexpressions used
3943 had to change cur_loc.
3944 (vt_expand_loc): Adjust to pass arguments in
3945 expand_loc_callback_data structure.
3946 (vt_expand_loc_dummy): New function.
3947 (emitted_notes): New variable.
3948 (emit_note_insn_var_location): For VALUEs and DEBUG_EXPR_DECLs
3949 that weren't used for any other decl in current
3950 emit_notes_for_changes call call vt_expand_loc_dummy to update
3951 cur_loc. For -fno-var-tracking-assignments, set cur_loc to
3952 first loc_chain location if NULL before. Always use just
3953 cur_loc instead of first loc_chain location. When cur_loc_changed
3954 is false, when not --enable-checking=rtl just don't emit any note.
3955 When rtl checking, compute the note and assert it is the same
3956 as previous note. Clear cur_loc_changed and in_changed_variables
3957 at the end before removing from changed_variables.
3958 (check_changed_vars_3): New function.
3959 (emit_notes_for_changes): Traverse changed_vars to call
3960 check_changed_vars_3 on each changed var.
3961 (emit_notes_for_differences_1): Clear cur_loc_changed and
3962 in_changed_variables. Recompute cur_loc of new_var.
3963 (emit_notes_for_differences_2): Clear cur_loc if new variable appears.
3964 (vt_emit_notes): Initialize and destroy emitted_notes.
3966 2010-03-07 Bernd Schmidt <bernd.schmidt@analog.com>
3968 PR rtl-optimization/42220
3969 * regrename.c (scan_rtx) <case STRICT_LOW_PART, ZERO_EXTRACT>:
3970 Use verify_reg_tracked to determine if we should use OP_OUT rather
3972 (build_def_use): If we see an in-out operand for a register that we
3973 know nothing about, treat is an output if possible, fail the block if
3976 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
3979 * gimple-iterator.c (gsi_remove): Propagate only PHI DEFs removed
3982 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
3985 * tree-vect-loop.c (vect_transform_loop): Kill out-of-loop debug
3986 uses of relevant DEFs that are dead outside the loop too.
3988 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
3990 * var-tracking.c (dataflow_set_merge): Swap src and src2.
3992 2010-01-13 Jakub Jelinek <jakub@redhat.com>
3994 * var-tracking.c (values_to_unmark): New variable.
3995 (find_loc_in_1pdv): Clear VALUE_RECURSED_INTO of values in
3996 values_to_unmark vector. Moved body to...
3997 (find_loc_in_1pdv_1): ... this. Don't clear VALUE_RECURSED_INTO,
3998 instead queue it into values_to_unmark vector.
3999 (vt_find_locations): Free values_to_unmark vector.
4001 2010-03-05 Eric Botcazou <ebotcazou@adacore.com>
4003 * Makefile.in (PLUGINCC, PLUGINCFLAGS): New variables.
4004 (site.exp): Export them when plugins are enabled.
4006 2010-03-05 Sebastian Pop <sebastian.pop@amd.com>
4009 * tree-chrec.c (chrec_fold_plus_1): Do not handle convert expressions
4011 (chrec_fold_multiply): Same.
4013 2010-03-04 Andrew Pinski <andrew_pinski@caviumnetworks.com>
4016 * c-decl.c (build_compound_literal): Return early if init is
4019 2010-03-04 Martin Jambor <mjambor@suse.cz>
4021 PR tree-optimization/43164
4022 PR tree-optimization/43191
4023 * tree-sra.c (type_consists_of_records_p): Reject records with
4024 zero-size bit-fields at the end.
4026 2010-03-04 Mike Stump <mikestump@comcast.net>
4028 * Makefile.in (TAGS): Remove *.y.
4030 2010-03-04 Richard Guenther <rguenther@suse.de>
4032 PR tree-optimization/40761
4033 * tree-ssa-pre.c (compute_antic): Walk reverse postorder
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