+2011-09-28 Kai Tietz <ktietz@redhat.com>
+
+ * configure.ac: Add test for new section attribute
+ specifier "e" via define HAVE_GAS_SECTION_EXCLUDE.
+ * config.in: Regenerated.
+ * configure: Regenerated.
+ * config/i386/winnt.c (i386_pe_asm_named_section): Emit
+ new section flag "e" for excluded sections, if supported.
+ Otherwise we mark section withc SECTION_EXCLUDE flag
+ as never-load.
+
+2011-09-28 Richard Sandiford <rdsandiford@googlemail.com>
+
+ * config/m32r/m32r.md: Use match_test rather than eq/ne symbol_ref
+ throughout file.
+
+2011-09-28 Richard Sandiford <rdsandiford@googlemail.com>
+
+ * config/iq2000/iq2000.md: Use match_test rather than eq/ne symbol_ref
+ throughout file.
+
+2011-09-27 Sriraman Tallam <tmsriram@google.com>
+
+ * output.h (SECTION_EXCLUDE): New macro.
+ * varasm.c (default_elf_asm_named_section): Check for
+ SECTION_EXCLUDE.
+
+2011-09-27 Richard Sandiford <rdsandiford@googlemail.com>
+
+ * fwprop.c (forward_propagate_and_simplify): After checking
+ reg/subreg combinations, check whether the modes are the same.
+
+2011-09-27 Bernd Schmidt <bernds@codesourcery.com>
+ Richard Sandiford <rdsandiford@googlemail.com>
+
+ * config/mips/mips.c (mips_add_cfa_restore): New function.
+ (mips16e_save_restore_reg): Use it.
+ (mips_restore_reg): Likewise. Split double FPRs for
+ REG_CFA_RESTORE notes.
+
+2011-09-27 Richard Sandiford <rdsandiford@googlemail.com>
+
+ PR middle-end/50386
+ PR middle-end/50326
+ * tree-sra.c (build_ref_for_model): Use the type of the field as
+ the type of the COMPONENT_REF.
+
+2011-09-27 Jeff Law <law@redhat.com>
+
+ * ifcvt.c (cheap_bb_rtx_cost_p): Add SCALE argument. Scale
+ non-jumping insns by REG_BR_PROB_BASE and the maximum cost
+ by SCALE.
+ (find_if_case_1): Use the probability of the THEN clause when
+ determining if speculation is profitable.
+ (find_if_case_2): Similarly for the ELSE clause.
+
+2011-09-27 Jakub Jelinek <jakub@redhat.com>
+
+ * common.opt: Add -foptimize-strlen option.
+ * Makefile.in (OBJS): Add tree-ssa-strlen.o.
+ (tree-sssa-strlen.o): Add dependencies.
+ * opts.c (default_options_table): Enable -foptimize-strlen
+ by default at -O2 if not -Os.
+ * passes.c (init_optimization_passes): Add pass_strlen
+ after pass_object_sizes.
+ * timevar.def (TV_TREE_STRLEN): New timevar.
+ * params.def (PARAM_MAX_TRACKED_STRLENS): New parameter.
+ * tree-pass.h (pass_strlen): Declare.
+ * tree-ssa-strlen.c: New file.
+ * c-decl.c (merge_decls): If compatible stpcpy prototype
+ is seen, set implicit_built_in_decls[BUILT_IN_STPCPY].
+
+2011-09-27 Tom de Vries <tom@codesourcery.com>
+
+ PR middle-end/43864
+ * tree-ssa-tail-merge.c: New file.
+ (struct same_succ_def): Define.
+ (same_succ, const_same_succ): New typedef.
+ (struct bb_cluster_def): Define.
+ (bb_cluster, const_bb_cluster): New typedef.
+ (struct aux_bb_info): Define.
+ (BB_SIZE, BB_SAME_SUCC, BB_CLUSTER, BB_VOP_AT_EXIT): Define.
+ (gvn_uses_equal): New function.
+ (same_succ_print, same_succ_print_traverse, update_dep_bb)
+ (stmt_update_dep_bb, local_def, same_succ_hash)
+ (inverse_flags, same_succ_equal, same_succ_alloc, same_succ_delete)
+ (same_succ_reset): New function.
+ (same_succ_htab, same_succ_edge_flags)
+ (deleted_bbs, deleted_bb_preds): New var.
+ (debug_same_succ): New function.
+ (worklist): New var.
+ (print_worklist, add_to_worklist, find_same_succ_bb, find_same_succ)
+ (init_worklist, delete_worklist, delete_basic_block_same_succ)
+ (same_succ_flush_bbs, purge_bbs, update_worklist): New function.
+ (print_cluster, debug_cluster, update_rep_bb)
+ (add_bb_to_cluster, new_cluster, delete_cluster): New function.
+ (all_clusters): New var.
+ (alloc_cluster_vectors, reset_cluster_vectors, delete_cluster_vectors)
+ (merge_clusters, set_cluster): New function.
+ (gimple_equal_p, gsi_advance_bw_nondebug_nonlocal, find_duplicate)
+ (same_phi_alternatives_1, same_phi_alternatives, bb_has_non_vop_phi)
+ (deps_ok_for_redirect_from_bb_to_bb, deps_ok_for_redirect)
+ (find_clusters_1, find_clusters): New function.
+ (update_vuses, vop_phi, vop_at_entry, replace_block_by): New function.
+ (update_bbs): New var.
+ (apply_clusters): New function.
+ (update_debug_stmt, update_debug_stmts): New function.
+ (tail_merge_optimize): New function.
+ tree-pass.h (tail_merge_optimize): Declare.
+ * tree-ssa-pre.c (execute_pre): Use tail_merge_optimize.
+ * Makefile.in (OBJS-common): Add tree-ssa-tail-merge.o.
+ (tree-ssa-tail-merge.o): New rule.
+ * opts.c (default_options_table): Set OPT_ftree_tail_merge by default at
+ OPT_LEVELS_2_PLUS.
+ * tree-ssa-sccvn.c (vn_valueize): Move to ...
+ * tree-ssa-sccvn.h (vn_valueize): Here.
+ * timevar.def (TV_TREE_TAIL_MERGE): New timevar.
+ * common.opt (ftree-tail-merge): New switch.
+ * params.def (PARAM_MAX_TAIL_MERGE_COMPARISONS)
+ (PARAM_MAX_TAIL_MERGE_ITERATIONS): New parameter.
+ * doc/invoke.texi (Optimization Options, -O2): Add -ftree-tail-merge.
+ (-ftree-tail-merge, max-tail-merge-comparisons)
+ (max-tail-merge-iterations): New item.
+
+2011-09-27 Jan Hubicka <jh@suse.cz>
+
+ * ipa-inline-analysis.c (MAX_TIME): Reduce to avoid overflows.
+
+2011-09-27 Jan Hubicka <jh@suse.cz>
+
+ * ipa-inline-analysis.c (eliminated_by_inlining_prob): Handle parameters
+ passed by reference; handle loads from non-SSA scalars and update comments.
+
+2011-09-27 Bernd Schmidt <bernds@codesourcery.com>
+
+ PR rtl-optimization/50249
+ * reload1.c (reload_reg_reaches_end_p): Accept a reloadnum argument
+ instead of opnum and type. All callers changed. Remove useless
+ declaration.
+ Search forward for other reloads of the same type for the same operand
+ using the same register; if any are found, return false.
+ (reload_regs_reach_end_p): Same argument changes; all callers changed.
+
+2011-09-27 Andi Kleen <ak@linux.intel.com>
+ Jan Hubicka <jh@suse.cz>
+
+ * doc/invoke.texi (ffat-lto-objects): Document.
+ * toplev.c (compile_file): Do not output assembly when doing slim lto;
+ Output __gnu_slim_lto when doing slim lto.
+ * cgraphunit.c (ipa_passes): Do only analysis when producing slim lto.
+ (cgraph_optimize): Return early when doing slim lto.
+ * opts.c (finish_options): Complain about lack of linker plugin
+ when doing slim lto.
+ * common.opt (ffat-lto-objects): New.
+
+2011-09-27 Richard Sandiford <richard.sandiford@linaro.org>
+
+ * ipa-inline-analysis.c (predicate_probability): Avoid comparison
+ between signed and unsigned.
+
+2011-09-27 Ira Rosen <ira.rosen@linaro.org>
+
+ * tree-vect-stmts.c (vectorizable_type_demotion): Handle basic block
+ vectorization.
+ (vectorizable_type_promotion): Likewise.
+ (vect_analyze_stmt): Call vectorizable_type_demotion and
+ vectorizable_type_promotion for basic blocks.
+ (supportable_widening_operation): Don't assume loop vectorization.
+ * tree-vect-slp.c (vect_build_slp_tree): Allow multiple types for
+ basic blocks. Update vectorization factor for basic block
+ vectorization.
+ (vect_analyze_slp_instance): Allow multiple types for basic block
+ vectorization. Recheck unrolling factor after construction of SLP
+ instance.
+
+2011-09-27 Richard Guenther <rguenther@suse.de>
+
+ * tree-object-size.c (compute_object_sizes): Fix dumping of
+ folded statement.
+
+2011-09-27 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/50363
+ * tree-ssa-pre.c (create_expression_by_pieces): Handle
+ pointer conversions in POINTER_PLUS_EXPRs properly.
+
2011-09-27 Richard Sandiford <richard.sandiford@linaro.org>
* config/arm/neon.md (neon_vget_highv16qi, neon_vget_highv8hi)
OSDN Git Service
