+2009-04-04 Jan Hubicka <jh@suse.cz>
+
+ * except.c (remove_eh_handler): Make static.
+ (eh_region_must_not_throw_p): Kill.
+ (expand_resx_expr): Assertize.
+ (duplicate_eh_regions): Accept callback as parameter; comment.
+ * except.h (duplicate_eh_regions): New function.
+ (remap_decl_v): Kill.
+ (copy_cfg_body): Update call of duplicate_eh_regions.
+
+2009-04-04 Richard Guenther <rguenther@suse.de>
+
+ * tree-ssa.c (verify_ssa): With -O0 we do not need VOPs.
+ * tree-ssa-operands.c (append_vdef): Do not append VOPs at -O0.
+ (append_vuse): Likewise.
+
+2009-04-04 Jakub Jelinek <jakub@redhat.com>
+
+ * unwind-dw2.h (_Unwind_FrameState): Add REG_UNDEFINED enum value.
+ * unwind-dw2.c (execute_cfa_program): Set how to REG_UNDEFINED
+ instead of REG_UNSAVED for DW_CFA_undefined.
+ (uw_update_context_1): Handle REG_UNDEFINED the same as REG_UNSAVED.
+ (uw_update_context): If RA column is REG_UNDEFINED, mark it as
+ outermost frame.
+
+2009-04-04 Richard Earnshaw <rearnsha@arm.com>
+
+ PR target/39501
+ * arm.md (movsfcc): Disable if not TARGET_HARD_FLOAT.
+ * testsuite/gcc.c-torture/execute/pr39501.c: New file.
+ * testsuite/gcc.c-torture/execute/pr39501.x: New file.
+
+2009-04-04 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/8781
+ PR tree-optimization/37892
+ * tree-ssa-sccvn.h (vn_reference_fold_indirect): Declare.
+ * tree-ssa-sccvn.c (vn_reference_fold_indirect): New function.
+ (valueize_refs): Call it for *& valueizations.
+ (shared_reference_ops_from_ref): Rename to ...
+ (valueize_shared_reference_ops_from_ref): ... this and valueize.
+ (shared_reference_ops_from_call): Rename to ...
+ (valueize_shared_reference_ops_from_call): ... this and valueize.
+ (vn_reference_lookup): Update.
+ (visit_reference_op_call): Likewise.
+ * tree-ssa-pre.c (phi_translate_1): Fold *&.
+ (eliminate): Value-replace the call address in call statements.
+
+2009-04-04 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/39636
+ * tree-ssa-forwprop.c
+ (forward_propagate_addr_into_variable_array_index): Check for
+ GIMPLE_ASSIGN before accessing the rhs code.
+
+2009-04-03 Jason Merrill <jason@redhat.com>
+
+ * stor-layout.c (set_sizetype): Set TYPE_CANONICAL.
+
+2009-04-03 Steve Ellcey <sje@cup.hp.com>
+
+ * config/ia64/ia64.md (extendsfdf2, extendsfxf2, extenddfxf2,
+ truncdfsf2, truncxfsf2, truncxfdf2, floatdixf2, fix_truncsfdi2,
+ fix_truncdfdi2, fix_truncxfdi2, fix_truncxfdi2_alts, floatunsdisf2,
+ floatunsdidf2, floatunsdixf2, fixuns_truncsfdi2, fixuns_truncdfdi2,
+ fixuns_truncxfdi2, fixuns_truncxfdi2_alts, divsi3_internal,
+ smuldi3_highpart, umuldi3_highpart, ctzdi2, *getf_exp_xf,
+ divdi3_internal_lat, divdi3_internal_thr, mulditi3, *mulditi3_internal,
+ umulditi3, *umulditi3_internal, addsf3, mulsf3, abssf2, negsf2,
+ *nabssf2, sminsf3, smaxsf3, *maddsf4, *msubsf4, *nmulsf3, *nmaddsf4,
+ *nmaddsf4_alts, divsf3, *sqrt_approx, sqrtsf2, sqrtsf2_internal_thr,
+ adddf3, *adddf3_trunc, muldf3, *muldf3_trunc, absdf2, negdf2, *nabsdf2,
+ smindf3, smaxdf3, *madddf4, *madddf4_trunc, *msubdf4, *msubdf4_trunc,
+ *nmuldf3, *nmuldf3_trunc, *nmadddf4, *nmadddf4_alts, *nmadddf4_truncsf,
+ *nmadddf4_truncsf_alts, divdf3, sqrtdf2, sqrtdf2_internal_thr, divxf3,
+ sqrtxf2, sqrtxf2_internal_thr, *recip_approx):
+ Use fr_reg_or_fp01_operand instead of fr_register_operand
+
+ * config/ia64/div.md (extend<mode>rf2, truncrf<mode>2,
+ recip_approx_rf, divsf3_internal_thr, divsf3_internal_lat,
+ divdf3_internal_thr, divdf3_internal_lat divxf3_internal): Ditto.
+
+2009-04-03 Vladimir Makarov <vmakarov@redhat.com>
+
+ PR rtl-optimization/39607
+ PR rtl-optimization/39631
+ Revert
+ 2009-03-30 Vladimir Makarov <vmakarov@redhat.com>
+ * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
+ instead of DF_LR_OUT.
+ * ira-lives.c (process_bb_node_lives): Ditto.
+ * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
+ instead of DF_LR_{OUT,IN}.
+ * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
+ * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
+
+2009-04-03 Steven Bosscher <steven@gcc.gnu.org>
+
+ * omp-low.c (pass_expand_omp): Don't claim to provide PROP_gimple_lomp.
+ (execute_lower_omp): Always run but take the short way out if -fopenmp
+ is not given.
+ (gate_lower_omp): Remove, forcing the pass manager to always run the
+ pass and always set PROP_gimple_lomp.
+ (pass_lower_omp): Remove gate function.
+ * matrix-reorg.c (pass_ipa_matrix_reorg): Don't claim to provide
+ PROP_trees. Instead, require it.
+ * ipa-cp.c (pass_ipa_cp): Likewise.
+ * ipa-inline.c (pass_early_inline): Don't claim to provide PROP_cfg.
+ (pass_ipa_early_inline, pass_inline_parameters, pass_ipa_inline): Idem.
+ * tree-profile.c (pass_tree_profile): Don't claim to provide PROP_cfg
+ and PROP_gimple_leh.
+
+2009-04-03 Richard Guenther <rguenther@suse.de>
+
+ PR middle-end/13146
+ PR tree-optimization/23940
+ PR tree-optimization/33237
+ PR middle-end/33974
+ PR middle-end/34093
+ PR tree-optimization/36201
+ PR tree-optimization/36230
+ PR tree-optimization/38049
+ PR tree-optimization/38207
+ PR tree-optimization/38230
+ PR tree-optimization/38301
+ PR tree-optimization/38585
+ PR middle-end/38895
+ PR tree-optimization/38985
+ PR tree-optimization/39299
+ * tree-ssa-structalias.h: Remove.
+ * tree-ssa-operands.h (NULL_USE_OPERAND_P): Make of type use_operand_p.
+ (NULL_DEF_OPERAND_P): Make of type def_operand_p.
+ (struct vuse_element_d): Remove.
+ (struct vuse_vec_d): Likewise.
+ (VUSE_VECT_NUM_ELEM, VUSE_VECT_ELEMENT_NC, VUSE_ELEMENT_PTR_NC,
+ VUSE_ELEMENT_VAR_NC, VUSE_VECT_ELEMENT, VUSE_ELEMENT_PTR,
+ SET_VUSE_VECT_ELEMENT, SET_VUSE_ELEMENT_VAR, SET_VUSE_ELEMENT_PTR,
+ VUSE_ELEMENT_VAR): Likewise.
+ (struct voptype_d): Likewise.
+ (NUM_VOP_FREE_BUCKETS): Likewise.
+ (struct ssa_operands): Remove vop_free_buckets and mpt_table fields.
+ (struct stmt_operands_d): Remove.
+ (VUSE_OP_PTR, VUSE_OP, SET_VUSE_OP, VUSE_NUM, VUSE_VECT,
+ VDEF_RESULT_PTR, VDEF_RESULT, VDEF_OP_PTR, VDEF_OP, SET_VDEF_OP,
+ VDEF_NUM, VDEF_VECT): Likewise.
+ (copy_virtual_operands): Remove.
+ (operand_build_cmp): Likewise.
+ (create_ssa_artificial_load_stmt): Likewise.
+ (enum ssa_op_iter_type): Remove ssa_op_iter_vdef.
+ (struct ssa_operand_iterator_d): Remove vuses, vdefs, mayusesm
+ vuse_index and mayuse_index members. Pack and move done and iter_type
+ members to the front.
+ (SSA_OP_VMAYUSE): Remove.
+ (SSA_OP_VIRTUAL_USES): Adjust.
+ (FOR_EACH_SSA_VDEF_OPERAND): Remove.
+ (unlink_stmt_vdef): Declare.
+ (add_to_addressable_set): Remove.
+ * tree-vrp.c (stmt_interesting_for_vrp): Adjust.
+ (vrp_visit_stmt): Likewise.
+ * doc/tree-ssa.texi (Alias analysis): Update.
+ * doc/invoke.texi (max-aliased-vops): Remove docs.
+ (avg-aliased-vops): Likewise.
+ * tree-into-ssa.c (syms_to_rename): Remove.
+ (need_to_update_vops_p): Likewise.
+ (need_to_initialize_update_ssa_p): Rename to ...
+ (update_ssa_initialized_fn): ... this. Track function we are
+ initialized for.
+ (symbol_marked_for_renaming): Simplify.
+ (add_new_name_mapping): Do not set need_to_update_vops_p.
+ (dump_currdefs): Use SYMS_TO_RENAME.
+ (rewrite_update_stmt): Always walk all uses/defs.
+ (dump_update_ssa): Adjust.
+ (init_update_ssa): Take function argument. Track what we are
+ initialized for.
+ (delete_update_ssa): Reset SYMS_TO_RENAME and update_ssa_initialized_fn.
+ (create_new_def_for): Initialize for cfun, assert we are initialized
+ for cfun.
+ (mark_sym_for_renaming): Simplify.
+ (mark_set_for_renaming): Do not initialize update-ssa.
+ (need_ssa_update_p): Simplify. Take function argument.
+ (name_mappings_registered_p): Assert we ask for the correct function.
+ (name_registered_for_update_p): Likewise.
+ (ssa_names_to_replace): Likewise.
+ (release_ssa_name_after_update_ssa): Likewise.
+ (update_ssa): Likewise. Use SYMS_TO_RENAME.
+ (dump_decl_set): Do not print a newline.
+ (debug_decl_set): Do it here.
+ (dump_update_ssa): And here.
+ * tree-ssa-loop-im.c (move_computations): Adjust.
+ (movement_possibility): Likewise.
+ (determine_max_movement): Likewise.
+ (gather_mem_refs_stmt): Likewise.
+ * tree-dump.c (dequeue_and_dump): Do not handle SYMBOL_MEMORY_TAG
+ or NAME_MEMORY_TAG.
+ * tree-complex.c (update_all_vops): Remove.
+ (expand_complex_move): Adjust.
+ * tree-ssa-loop-niter.c (chain_of_csts_start): Use NULL_TREE.
+ Simplify test for memory referencing statement. Exclude
+ non-invariant ADDR_EXPRs.
+ * tree-pretty-print.c (dump_generic_node): Do not handle memory tags.
+ * tree-loop-distribution.c (generate_memset_zero): Adjust.
+ (rdg_flag_uses): Likewise.
+ * tree-tailcall.c (suitable_for_tail_opt_p): Remove memory-tag
+ related code.
+ (tree_optimize_tail_calls_1): Also split the
+ edge from the entry block if we have degenerate PHI nodes in
+ the first basic block.
+ * tree.c (init_ttree): Remove memory-tag related code.
+ (tree_code_size): Likewise.
+ (tree_node_structure): Likewise.
+ (build7_stat): Re-write to be build6_stat.
+ * tree.h (MTAG_P, TREE_MEMORY_TAG_CHECK, TMR_TAG): Remove.
+ (SSA_VAR_P): Adjust.
+ (struct tree_memory_tag): Remove.
+ (struct tree_memory_partition_tag): Likewise.
+ (union tree_node): Adjust.
+ (build7): Re-write to be build6.
+ * tree-pass.h (pass_reset_cc_flags): Remove.
+ (TODO_update_address_taken): New flag.
+ (pass_simple_dse): Remove.
+ * ipa-cp.c (ipcp_update_callgraph): Update SSA form.
+ * params.h (MAX_ALIASED_VOPS): Remove.
+ (AVG_ALIASED_VOPS): Likewise.
+ * omp-low.c (expand_omp_taskreg): Update SSA form.
+ * tree-ssa-dse.c (dse_optimize_stmt): Properly query if the rhs
+ aliases the lhs in a copy stmt.
+ * tree-ssa-dse.c (struct address_walk_data): Remove.
+ (memory_ssa_name_same): Likewise.
+ (memory_address_same): Likewise.
+ (get_kill_of_stmt_lhs): Likewise.
+ (dse_possible_dead_store_p): Simplify, use the oracle. Handle
+ unused stores. Look through PHI nodes into post-dominated regions.
+ (dse_optimize_stmt): Simplify. Properly remove stores.
+ (tree_ssa_dse): Compute dominators.
+ (execute_simple_dse): Remove.
+ (pass_simple_dse): Likewise.
+ * ipa-reference.c (scan_stmt_for_static_refs): Open-code
+ gimple_loaded_syms and gimple_stored_syms computation.
+ * toplev.c (dump_memory_report): Dump alias and pta stats.
+ * tree-ssa-sccvn.c (vn_reference_compute_hash): Simplify.
+ (vn_reference_eq): Likewise.
+ (vuses_to_vec, copy_vuses_from_stmt, vdefs_to_vec,
+ copy_vdefs_from_stmt, shared_lookup_vops, shared_vuses_from_stmt,
+ valueize_vuses): Remove.
+ (get_def_ref_stmt_vuses): Simplify. Rename to ...
+ (get_def_ref_stmt_vuse): ... this.
+ (vn_reference_lookup_2): New function.
+ (vn_reference_lookup_pieces): Use walk_non_aliased_vuses for
+ walking equivalent vuses. Simplify.
+ (vn_reference_lookup): Likewise.
+ (vn_reference_insert): Likewise.
+ (vn_reference_insert_pieces): Likewise.
+ (visit_reference_op_call): Simplify.
+ (visit_reference_op_load): Likewise.
+ (visit_reference_op_store): Likewise.
+ (init_scc_vn): Remove shared_lookup_vuses initialization.
+ (free_scc_vn): Remove shared_lookup_vuses freeing.
+ (sort_vuses, sort_vuses_heap): Remove.
+ (get_ref_from_reference_ops): Export.
+ * tree-ssa-sccvn.h (struct vn_reference_s): Replace vuses
+ vector with single vuse pointer.
+ (vn_reference_lookup_pieces, vn_reference_lookup,
+ vn_reference_insert, vn_reference_insert_pieces): Adjust prototypes.
+ (shared_vuses_from_stmt): Remove.
+ (get_ref_from_reference_ops): Declare.
+ * tree-ssa-loop-manip.c (slpeel_can_duplicate_loop_p): Adjust.
+ * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Remove
+ memory-tag related code.
+ * tree-ssa-ccp.c (get_symbol_constant_value): Remove memory-tag code.
+ (likely_value): Add comment, skip static-chain of call statements.
+ (surely_varying_stmt_p): Adjust.
+ (gimplify_and_update_call_from_tree): Likewise.
+ (execute_fold_all_builtins): Do not rebuild alias info.
+ (gimplify_and_update_call_from_tree): Properly update VOPs.
+ * tree-ssa-loop-ivopts.c (get_ref_tag): Remove.
+ (copy_ref_info): Remove memory-tag related code.
+ * tree-call-cdce.c (tree_call_cdce): Rename the VOP.
+ * ipa-pure-const.c (check_decl): Remove memory-tag related code.
+ (check_stmt): Open-code gimple_loaded_syms and gimple_stored_syms
+ computation.
+ * tree-ssa-dom.c (gimple_p): Remove typedef.
+ (eliminate_redundant_computations): Adjust.
+ (record_equivalences_from_stmt): Likewise.
+ (avail_expr_hash): Likewise.
+ (avail_expr_eq): Likewise.
+ * tree-ssa-propagate.c (update_call_from_tree): Properly
+ update VOPs.
+ (stmt_makes_single_load): Likewise.
+ (stmt_makes_single_store): Likewise.
+ * tree-ssa-alias.c: Rewrite completely.
+ (debug_memory_partitions, dump_mem_ref_stats, debug_mem_ref_stats,
+ debug_mem_sym_stats, dump_mem_sym_stats_for_var,
+ debug_all_mem_sym_stats, debug_mp_info, update_mem_sym_stats_from_stmt,
+ delete_mem_ref_stats, create_tag_raw, dump_points_to_info,
+ dump_may_aliases_for, debug_may_aliases_for, new_type_alias):
+ Remove public functions.
+ (pass_reset_cc_flags): Remove.
+ (pass_build_alias): Move ...
+ * tree-ssa-structalias.c (pass_build_alias): ... here.
+ * tree-ssa-alias.c (may_be_aliased): Move ...
+ * tree-flow-inline.h (may_be_aliased): ... here.
+ tree-ssa-alias.c (struct count_ptr_d, count_ptr_derefs,
+ count_uses_and_derefs): Move ...
+ * gimple.c: ... here.
+ * gimple.h (count_uses_and_derefs): Declare.
+ * tree-ssa-alias.c (dump_alias_stats, ptr_deref_may_alias_global_p,
+ ptr_deref_may_alias_decl_p, ptr_derefs_may_alias_p,
+ same_type_for_tbaa, nonaliasing_component_refs_p, decl_refs_may_alias_p,
+ indirect_ref_may_alias_decl_p, indirect_refs_may_alias_p,
+ ref_maybe_used_by_call_p, ref_maybe_used_by_stmt_p,
+ call_may_clobber_ref_p, stmt_may_clobber_ref_p, maybe_skip_until,
+ get_continuation_for_phi, walk_non_aliased_vuses, walk_aliased_vdefs):
+ New functions.
+ * tree-dfa.c (refs_may_alias_p): Move ...
+ * tree-ssa-alias.c (refs_may_alias_p): ... here. Extend.
+ * tree-ssa-alias.h: New file.
+ * tree-ssa-sink.c (is_hidden_global_store): Adjust.
+ (statement_sink_location): Likewise.
+ * opts.c (decode_options): Do not adjust max-aliased-vops or
+ avg-aliased-vops values.
+ * timevar.def (TV_TREE_MAY_ALIAS): Remove.
+ (TV_CALL_CLOBBER): Likewise.
+ (TV_FLOW_SENSITIVE): Likewise.
+ (TV_FLOW_INSENSITIVE): Likewise.
+ (TV_MEMORY_PARTITIONING): Likewise.
+ (TV_ALIAS_STMT_WALK): New timevar.
+ * tree-ssa-loop-ivcanon.c (empty_loop_p): Adjust.
+ * tree-ssa-address.c (create_mem_ref_raw): Use build6.
+ (get_address_description): Remove memory-tag related code.
+ * tree-ssa-ifcombine.c (bb_no_side_effects_p): Adjust.
+ * treestruct.def (TS_MEMORY_TAG, TS_MEMORY_PARTITION_TAG): Remove.
+ * tree-eh.c (cleanup_empty_eh): Do not leave stale SSA_NAMEs
+ and immediate uses in statements. Document.
+ * gimple-pretty-print.c (dump_gimple_mem_ops): Adjust.
+ (dump_symbols): Remove.
+ (dump_gimple_mem_ops): Do not dump loaded or stored syms.
+ * alias.c (get_deref_alias_set): New function split out from ...
+ (get_alias_set): ... here.
+ * alias.h (get_deref_alias_set): Declare.
+ * tree-vect-data-refs.c (vect_create_data_ref_ptr): Remove unused
+ type parameter. Remove restrict pointer handling. Create a
+ ref-all pointer in case type-based alias sets do not conflict.
+ (vect_analyze_data_refs): Remove SMT related code.
+ * tree-vect-stmts.c (vectorizable_store): Re-instantiate TBAA assert.
+ (vectorizable_load): Likewise.
+ * tree-data-ref.h (struct dr_alias): Remove symbol_tag field.
+ (DR_SYMBOL_TAG, DR_VOPS): Remove.
+ * tree-data-ref.c (dr_may_alias_p): Use the alias-oracle.
+ Ignore vops and SMTs.
+ (dr_analyze_alias): Likewise..
+ (free_data_ref): Likewise.
+ (create_data_ref): Likewise.
+ (analyze_all_data_dependences): Likewise.
+ (get_references_in_stmt): Adjust.
+ * tree-flow-inline.h (gimple_aliases_computed_p,
+ gimple_addressable_vars, gimple_call_clobbered_vars,
+ gimple_call_used_vars, gimple_global_var, may_aliases, memory_partition,
+ factoring_name_p, mark_call_clobbered, clear_call_clobbered,
+ compare_ssa_operands_equal, symbol_mem_tag, set_symbol_mem_tag,
+ gimple_mem_ref_stats): Remove.
+ (gimple_vop): New function.
+ (op_iter_next_use): Remove vuses and mayuses cases.
+ (op_iter_next_def): Remove vdefs case.
+ (op_iter_next_tree): Remove vuses, mayuses and vdefs cases.
+ (clear_and_done_ssa_iter): Do not set removed fields.
+ (op_iter_init): Likewise. Skip vuse and/or vdef if requested.
+ Assert we are not iterating over vuses or vdefs if not also
+ iterating over uses or defs.
+ (op_iter_init_use): Likewise.
+ (op_iter_init_def): Likewise.
+ (op_iter_next_vdef): Remove.
+ (op_iter_next_mustdef): Likewise.
+ (op_iter_init_vdef): Likewise.
+ (compare_ssa_operands_equal): Likewise.
+ (link_use_stmts_after): Handle vuse operand.
+ (is_call_used): Use is_call_clobbered.
+ (is_call_clobbered): Global variables are always call clobbered,
+ query the call-clobbers bitmap.
+ (mark_call_clobbered): Ignore global variables.
+ (clear_call_clobbered): Likewise.
+ * tree-ssa-coalesce.c (create_outofssa_var_map): Adjust
+ virtual operands sanity check.
+ * tree.def (NAME_MEMORY_TAG, SYMBOL_MEMORY_TAG, MEMORY_PARTITION_TAG):
+ Remove.
+ (TARGET_MEM_REF): Remove TMR_TAG operand.
+ * tree-dfa.c (add_referenced_var): Initialize call-clobber state.
+ Remove call-clobber related code.
+ (remove_referenced_var): Likewise. Do not clear mpt or symbol_mem_tag.
+ (dump_variable): Do not dump SMTs, memory stats, may-aliases or
+ partitions or escape reason.
+ (get_single_def_stmt, get_single_def_stmt_from_phi,
+ get_single_def_stmt_with_phi): Remove.
+ (dump_referenced_vars): Tidy.
+ (get_ref_base_and_extent): Allow bare decls.
+ (collect_dfa_stats): Adjust.
+ * graphite.c (rename_variables_in_stmt): Adjust.
+ (graphite_copy_stmts_from_block): Likewise.
+ (translate_clast): Likewise.
+ * tree-ssa-pre.c (struct bb_bitmap_sets): Add expr_dies bitmap.
+ (EXPR_DIES): New.
+ (translate_vuse_through_block): Use the oracle.
+ (phi_translate_1): Adjust.
+ (value_dies_in_block_x): Use the oracle. Cache the outcome
+ in EXPR_DIES.
+ (valid_in_sets): Check if the VUSE for
+ a REFERENCE is available.
+ (eliminate): Do not remove stmts during elimination,
+ instead queue and remove them afterwards.
+ (do_pre): Do not rebuild alias info.
+ (pass_pre): Run TODO_rebuild_alias before PRE.
+ * tree-ssa-live.c (remove_unused_locals): Remove memory-tag code.
+ * tree-sra.c (sra_walk_function): Use gimple_references_memory_p.
+ (mark_all_v_defs_stmt): Remove.
+ (mark_all_v_defs_seq): Adjust.
+ (sra_replace): Likewise.
+ (scalarize_use): Likewise.
+ (scalarize_copy): Likewise.
+ (scalarize_init): Likewise.
+ (scalarize_ldst): Likewise.
+ (todoflags): Remove.
+ (tree_sra): Do not rebuild alias info.
+ (tree_sra_early): Adjust.
+ (pass_sra): Run TODO_update_address_taken before SRA.
+ * tree-predcom.c (set_alias_info): Remove.
+ (prepare_initializers_chain): Do not call it.
+ (mark_virtual_ops_for_renaming): Adjust.
+ (mark_virtual_ops_for_renaming_list): Remove.
+ (initialize_root_vars): Adjust.
+ (initialize_root_vars_lm): Likewise.
+ (prepare_initializers_chain): Likewise.
+ * tree-ssa-copy.c (may_propagate_copy): Remove memory-tag related code.
+ (may_propagate_copy_into_stmt): Likewise.
+ (merge_alias_info): Do nothing for now.
+ (propagate_tree_value_into_stmt): Adjust.
+ (stmt_may_generate_copy): Likewise.
+ * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr): Do
+ not mark symbols for renaming.
+ (forward_propagate_addr_expr): Match up push/pop_stmt_changes
+ with the same statement, make sure to update the new pointed-to one.
+ * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not copy
+ call statements, do not mark symbols for renaming.
+ (mark_operand_necessary): Dump something.
+ (ref_may_be_aliased): New function.
+ (mark_aliased_reaching_defs_necessary_1): New helper function.
+ (mark_aliased_reaching_defs_necessary): Likewise.
+ (mark_all_reaching_defs_necessary_1): Likewise.
+ (mark_all_reaching_defs_necessary): Likewise.
+ (propagate_necessity): Do not process virtual PHIs. For
+ non-aliased loads mark all reaching definitions as necessary.
+ For aliased loads and stores mark the immediate dominating
+ aliased clobbers as necessary.
+ (visited): New global static.
+ (perform_tree_ssa_dce): Free visited bitmap after propagating
+ necessity.
+ (remove_dead_phis): Perform simple dead virtual PHI removal.
+ (remove_dead_stmt): Properly unlink virtual operands when
+ removing stores.
+ (eliminate_unnecessary_stmts): Schedule PHI removal after
+ stmt removal.
+ * tree-ssa-ter.c (is_replaceable_p): Adjust.
+ (process_replaceable): Likewise.
+ (find_replaceable_in_bb): Likewise.
+ * tree-ssa.c (verify_ssa_name): Verify all VOPs are
+ based on the single gimple vop.
+ (verify_flow_insensitive_alias_info): Remove.
+ (verify_flow_sensitive_alias_info): Likewise.
+ (verify_call_clobbering): Likewise.
+ (verify_memory_partitions): Likewise.
+ (verify_alias_info): Likewise.
+ (verify_ssa): Adjust..
+ (execute_update_addresses_taken): Export. Update SSA
+ manually. Optimize only when optimizing. Use a local bitmap.
+ (pass_update_address_taken): Remove TODO_update_ssa, add
+ TODO_dump_func.
+ (pass_update_address_taken): Just use TODO_update_address_taken.
+ (init_tree_ssa): Do not initialize addressable_vars.
+ (verify_ssa): Verify new VUSE / VDEF properties.
+ Verify that all stmts definitions have the stmt as SSA_NAME_DEF_STMT.
+ Do not call verify_alias_info.
+ (delete_tree_ssa): Clear the VUSE, VDEF operands.
+ Do not free the loaded and stored syms bitmaps. Reset the escaped
+ and callused solutions. Do not free addressable_vars.
+ Remove memory-tag related code.
+ (warn_uninitialized_var): Aliases are always available.
+ * tree-ssa-loop-prefetch.c (gather_memory_references): Adjust.
+ * lambda-code.c (can_put_in_inner_loop): Adjust.
+ (can_put_after_inner_loop): Likewise.
+ (perfect_nestify): Likewise.
+ * tree-vect-stmts.c (vect_stmt_relevant_p): Adjust.
+ (vect_gen_widened_results_half): Remove CALL_EXPR handling.
+ (vectorizable_conversion): Do not mark symbols for renaming.
+ * tree-inline.c (remap_gimple_stmt): Clear VUSE/VDEF.
+ (expand_call_inline): Unlink the calls virtual operands before
+ replacing it.
+ (tree_function_versioning): Do not call update_ssa if we are not
+ updating clones. Simplify.
+ * tree-ssa-phiprop.c (phivn_valid_p): Adjust.
+ (propagate_with_phi): Likewise..
+ * tree-outof-ssa.c (create_temp): Remove memory tag and call
+ clobber code. Assert we are not aliased or global.
+ * tree-flow.h: Include tree-ssa-alias.h
+ (enum escape_type): Remove.
+ (struct mem_sym_stats_d): Likewise.
+ (struct mem_ref_stats_d): Likewise.
+ (struct gimple_df): Add vop member. Remove global_var,
+ call_clobbered_vars, call_used_vars, addressable_vars,
+ aliases_compted_p and mem_ref_stats members. Add syms_to_rename,
+ escaped and callused members.
+ (struct ptr_info_def): Remove all members, add points-to solution
+ member pt.
+ (struct var_ann_d): Remove in_vuse_list, in_vdef_list,
+ call_clobbered, escape_mask, mpt and symbol_mem_tag members.
+ * Makefile.in (TREE_FLOW_H): Add tree-ssa-alias.h.
+ (tree-ssa-structalias.o): Remove tree-ssa-structalias.h.
+ (tree-ssa-alias.o): Likewise.
+ (toplev.o): Add tree-ssa-alias.h
+ (GTFILES): Remove tree-ssa-structalias.h, add tree-ssa-alias.h.
+ * gimple.c (gimple_set_bb): Fix off-by-one error.
+ (is_gimple_reg): Do not handle memory tags.
+ (gimple_copy): Also copy virtual operands.
+ Delay updating the statement. Do not reset loaded and stored syms.
+ (gimple_set_stored_syms): Remove.
+ (gimple_set_loaded_syms): Likewise.
+ (gimple_call_copy_skip_args): Copy the virtual operands
+ and mark the new statement modified.
+ * tree-ssa-structalias.c (may_alias_p): Remove.
+ (set_uids_in_ptset): Take the alias set to prune with as
+ parameter. Fold in the alias test of may_alias_p.
+ (compute_points_to_sets): Compute whether a ptr is dereferenced
+ in a local sbitmap.
+ (process_constraint): Deal with &ANYTHING on the lhs, reject all
+ other ADDRESSOF constraints on the lhs.
+ (get_constraint_for_component_ref): Assert that we don't get
+ ADDRESSOF constraints from the base of the reference.
+ Properly generate UNKNOWN_OFFSET for DEREF if needed.
+ (struct variable_info): Remove collapsed_to member.
+ (get_varinfo_fc): Remove.
+ (new_var_info): Do not set collapsed_to.
+ (dump_constraint): Do not follow cycles.
+ (dump_constraint_graph): Likewise.
+ (build_pred_graph): Likewise.
+ (build_succ_graph): Likewise.
+ (rewrite_constraints): Likewise.
+ (do_simple_structure_copy): Remove.
+ (do_rhs_deref_structure_copy): Remove.
+ (do_lhs_deref_structure_copy): Remove.
+ (collapse_rest_of_var): Remove.
+ (do_structure_copy): Re-implement.
+ (pta_stats): New global variable.
+ (dump_pta_stats): New function.
+ (struct constraint_expr): Make offset signed.
+ (UNKNOWN_OFFSET): Define special value.
+ (dump_constraint): Dump UNKNOWN_OFFSET as UNKNOWN.
+ (solution_set_expand): New helper function split out from ...
+ (do_sd_constraint): ... here.
+ (solution_set_add): Handle UNKNOWN_OFFSET. Handle negative offsets.
+ (do_ds_constraint): Likewise.
+ (do_sd_constraint): Likewise. Do not special-case ESCAPED = *ESCAPED
+ and CALLUSED = *CALLUSED.
+ (set_union_with_increment): Make inc argument signed.
+ (type_safe): Remove.
+ (get_constraint_for_ptr_offset): Handle unknown and negative
+ constant offsets.
+ (first_vi_for_offset): Handle offsets before start. Bail
+ out early for offsets beyond the variable extent.
+ (first_or_preceding_vi_for_offset): New function.
+ (init_base_vars): Add ESCAPED = ESCAPED + UNKNOWN_OFFSET constraint.
+ Together with ESCAPED = *ESCAPED this properly computes reachability.
+ (find_what_var_points_to): New function.
+ (find_what_p_points_to): Implement in terms of find_what_var_points_to.
+ (pt_solution_reset, pt_solution_empty_p, pt_solution_includes_global,
+ pt_solution_includes_1, pt_solution_includes, pt_solutions_intersect_1,
+ pt_solutions_intersect): New functions.
+ (compute_call_used_vars): Remove.
+ (compute_may_aliases): New main entry into PTA computation.
+ * gimple.h (gimple_p): New typedef.
+ (struct gimple_statement_base): Remove references_memory_p.
+ (struct gimple_statement_with_memory_ops_base): Remove
+ vdef_ops, vuse_ops, stores and loads members. Add vdef and vuse
+ members.
+ (gimple_vuse_ops, gimple_set_vuse_ops, gimple_vdef_ops,
+ gimple_set_vdef_ops, gimple_loaded_syms, gimple_stored_syms,
+ gimple_set_references_memory): Remove.
+ (gimple_vuse_op, gimple_vdef_op, gimple_vuse, gimple_vdef,
+ gimple_vuse_ptr, gimple_vdef_ptri, gimple_set_vuse, gimple_set_vdef):
+ New functions.
+ * tree-cfg.c (move_block_to_fn): Fix off-by-one error.
+ (verify_expr): Allow RESULT_DECL.
+ (gimple_duplicate_bb): Do not copy virtual operands.
+ (gimple_duplicate_sese_region): Adjust.
+ (gimple_duplicate_sese_tail): Likewise.
+ (mark_virtual_ops_in_region): Remove.
+ (move_sese_region_to_fn): Do not call it.
+ * passes.c (init_optimization_passes): Remove pass_reset_cc_flags
+ and pass_simple_dse.
+ (execute_function_todo): Handle TODO_update_address_taken,
+ call execute_update_addresses_taken for TODO_rebuild_alias.
+ (execute_todo): Adjust.
+ (execute_one_pass): Init dump files early.
+ * ipa-struct-reorg.c (finalize_var_creation): Do not mark vars
+ call-clobbered.
+ (create_general_new_stmt): Clear vops.
+ * tree-ssa-reassoc.c (get_rank): Adjust.
+ * tree-vect-slp.c (vect_create_mask_and_perm): Do not mark
+ symbols for renaming.
+ * params.def (PARAM_MAX_ALIASED_VOPS): Remove.
+ (PARAM_AVG_ALIASED_VOPS): Likewise.
+ * tree-ssanames.c (init_ssanames): Allocate SYMS_TO_RENAME.
+ (duplicate_ssa_name_ptr_info): No need to copy the shared bitmaps.
+ * tree-ssa-operands.c: Simplify for new virtual operand
+ representation.
+ (operand_build_cmp, copy_virtual_operands,
+ create_ssa_artificial_load_stmt, add_to_addressable_set,
+ gimple_add_to_addresses_taken): Remove public functions.
+ (unlink_stmt_vdef): New function.
+
+2009-04-03 Alan Modra <amodra@bigpond.net.au>
+
+ * config.gcc (powerpc-*-linux*): Merge variants.
+
+2009-04-02 Chao-ying Fu <fu@mips.com>
+ James Grosbach <james.grosbach@microchip.com>
+
+ * config/mips/mips.c (mips_frame_info): Add acc_mask, num_acc,
+ num_cop0_regs, acc_save_offset, cop0_save_offset, acc_sp_offset,
+ cop0_sp_offset.
+ (machine_function): Add interrupt_handler_p, use_shadow_register_set_p,
+ keep_interrupts_masked_p, use_debug_exception_return_p.
+ (mips_attribute_table): Add interrupt, use_shadow_register_set,
+ keep_interrupts_masked, use_debug_exception_return.
+ (mips_interrupt_type_p, mips_use_shadow_register_set_p,
+ mips_keep_interrupts_masked_p, mips_use_debug_exception_return_p):
+ New functions.
+ (mips_function_ok_for_sibcall): Return false for interrupt handlers.
+ (mips_print_operand): Process COP0 registers to print $0 .. $31
+ correctly for GAS to process.
+ (mips_interrupt_extra_call_saved_reg_p): New function.
+ (mips_cfun_call_saved_reg_p): For interrupt handlers, we need to check
+ extra registers.
+ (mips_cfun_might_clobber_call_saved_reg_p): Likewise.
+ (mips_compute_frame_info): Add supports for interrupt context that
+ includes doubleword accumulators and COP0 registers.
+ (mips_for_each_saved_acc): New function.
+ (mips_for_each_saved_gpr_and_fpr): Change the function name from
+ mips_for_each_saved_reg.
+ (mips_save_reg): Save accumulators.
+ (mips_kernel_reg_p): A new for_each_rtx callback.
+ (mips_expand_prologue): Support interrupt handlers.
+ (mips_restore_reg): Restore accumulators.
+ (mips_expand_epilogue): Support interrupt handlers.
+ (mips_can_use_return_insn): Return false for interrupt handlers.
+ (mips_epilogue_uses): New function.
+ * config/mips/mips.md (UNSPEC_ERET, UNSPEC_DERET, UNSPEC_DI,
+ UNSPEC_EHB, UNSPEC_RDPGPR, UNSPEC_COP0): New UNSPEC.
+ (mips_eret, mips_deret, mips_di, mips_ehb, mips_rdpgpr,
+ cop0_move): New instructions.
+ * config/mips/mips-protos.h (mips_epilogue_uses): Declare.
+ * config/mips/mips.h (K0_REG_NUM, K1_REG_NUM, KERNEL_REG_P): New
+ defines.
+ (COP0_STATUS_REG_NUM, COP0_CAUSE_REG_NUM, COP0_EPC_REG_NUM):
+ New defines.
+ (CAUSE_IPL, SR_IPL, SR_EXL, SR_IE): New defines.
+ (MIPS_PROLOGUE_TEMP_REGNUM, MIPS_EPILOGUE_TEMP_REGNUM): For
+ interrupt handlers, we use K0 as the temporary register.
+ (EPILOGUE_USES): Change to a function call.
+ * config/mips/sde.h (MIPS_EPILOGUE_TEMP_REGNUM): For interrupt
+ handlers, we use K0 as the temporary register.
+
+ * doc/extend.texi (Function Attributes): Document interrupt,
+ use_shadow_register_set, keep_interrupts_masked,
+ use_debug_exception_return for MIPS attributes.
+
+2009-04-03 Alan Modra <amodra@bigpond.net.au>
+
+ * config.gcc (powerpc64-*-gnu*): Add rs6000/default64.h to tm_file.
+ Remove a number of t-files from tmake_file.
+ * config/rs6000/sysv4.opt (mprototype): Name variable target_prototype.
+ * config/rs6000/sysv4.h (TARGET_PROTOTYPE): Define.
+ * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Set
+ target_prototype, not TARGET_PROTOTYPE.
+ (LINK_OS_GNU_SPEC): Define.
+ * config/rs6000/t-linux64 (LIB2FUNCS_EXTRA): Delete tramp.S
+ and darwin-ldoubdle.c.
+
+2009-04-02 Michael Meissner <meissner@linux.vnet.ibm.com>
+
+ PR driver/39293
+ * gcc.c (save_temps_flag): Add support for -save-temps=obj.
+ (cpp_options): Ditto.
+ (default_compilers): Ditto.
+ (display_help): Ditto.
+ (process_command): Ditto.
+ (do_spec_1): Ditto.
+ (set_input): Use lbasename instead of duplicate code.
+ (save_temps_prefix): New static for -save-temps=obj.
+ (save_temps_length): Ditto.
+
+ * doc/invoke.texi (-save-temps=obj): Document new variant to
+ -save-temps switch.
+
+2009-04-02 Jeff Law <law@redhat.com>
+
+ * reload1.c (fixup_eh_region_notes): Remove write-only "trap_count"
+ variable.
+
+2009-04-02 H.J. Lu <hongjiu.lu@intel.com>
+
+ * configure.ac: Support -Bstatic/-Bdynamic for linker version > 2.
+ * configure: Regenerated.
+
+2009-04-02 Rafael Avila de Espindola <espindola@google.com>
+
+ * c-decl.c (merge_decls): Make sure newdecl and olddecl don't
+ share the argument list.
+
+2009-04-02 Rafael Avila de Espindola <espindola@google.com>
+
+ Merge
+
+ 2009-02-12 Diego Novillo <dnovillo@google.com>
+
+ * varpool.c (debug_varpool): New.
+ * cgraph.h (debug_varpool): Declare.
+
+2009-04-02 Jan Hubicka <jh@suse.cz>
+
+ * passes.c (init_optimization_passes): Remove two copies of ehcleanup
+ pass.
+
+2009-04-02 H.J. Lu <hongjiu.lu@intel.com>
+
+ * config/i386/i386.c (ix86_abi): Move initialization to ...
+ (override_options): Here.
+
+2009-04-02 Christian Bruel <christian.bruel@st.com>
+
+ * config/sh/sh.c (sh_dwarf_register_span): New function.
+ (TARGET_DWARF_REGISTER_SPAN): Define.
+ * config/sh/sh-protos.h (sh_dwarf_register_span): Declare.
+
+2009-04-02 Ira Rosen <irar@il.ibm.com>
+
+ PR tree-optimization/39595
+ * tree-vect-slp.c (vect_build_slp_tree): Check that the size of
+ interleaved loads group is not greater than the SLP group size.
+
+2009-04-02 Rafael Avila de Espindola <espindola@google.com>
+
+ * builtins.c (is_builtin_name): New.
+ (called_as_built_in): Use is_builtin_name.
+ * tree.h (is_builtin_name): New.
+ * varasm.c (incorporeal_function_p): Use is_builtin_name
+
+2009-04-02 Andrew Stubbs <ams@codesourcery.com>
+
+ * config/sh/linux-unwind.h: Disable when inhibit_libc is defined.
+
+2009-04-02 Dodji Seketeli <dodji@redhat.com>
+
+ PR c++/26693
+ * c-decl.c: (clone_underlying_type): Move this ...
+ * c-common.c (set_underlying_type): ... here.
+ Also, make sure the function properly sets TYPE_STUB_DECL() on
+ the newly created typedef variant type.
+ * c-common.h (is_typedef_decl, set_underlying_type): Declare ...
+ * c-common.c (is_typedef_decl, set_underlying_type): ... new entry points.
+
+2009-04-02 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/37221
+ * tree-flow.h (degenerate_phi_result): Declare.
+ * tree-ssa-dom.c (degenerate_phi_result): Export.
+ * tree-scalar-evolution.c (analyze_initial_condition): If
+ the initial condition is defined by a degenerate PHI node
+ use the degenerate value.
+
+2009-04-01 Eric Botcazou <ebotcazou@adacore.com>
+
+ PR rtl-optimization/39588
+ * combine.c (merge_outer_ops): Do not set the constant when this
+ is not necessary.
+ (simplify_shift_const_1): Do not modify it either in this case.
+
+2009-04-01 Steven Bosscher <steven@gcc.gnu.org>
+
+ * config/ia64/ia64.c (ia64_handle_option): Inform user that Itanium1
+ tuning is deprecated if -mtune value is set to an Itanium1 variant.
+
+2009-04-01 Janis Johnson <janis187@us.ibm.com>
+
+ PR c/29027
+ * c-lex.c (interpret_float): Default (no suffix) is double.
+
+2009-04-1 Xinliang David Li <davidxl@google.com>
+
+ * config/i386/i386.c (legitimate_constant_p): Recognize
+ all one vector constant.
+
+2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
+
+ * gcc/config/vax/vax.c: Add #includes to silence warnings.
+ Change #include order to silence two warnings.
+
+2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
+
+ * gcc/config/vax/linux.h (TARGET_DEFAULT): Add the MASK_QMATH flag bit.
+ (ASM_SPEC): Pass -k to the assembler for PIC code.
+
+2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
+
+ * gcc/config.gcc: Add vax-*-linux* to the switch.
+ * gcc/config/vax/linux.h: New file. (TARGET_VERSION,
+ TARGET_OS_CPP_BUILTINS, TARGET_DEFAULT, CPP_SPEC, LINK_SPEC): Define.
+
+2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
+
+ * gcc/config/vax/vax.c (vax_output_int_move, adjacent_operands_p):
+ Use predicate macros instead of GET_CODE() == foo.
+ * gcc/config/vax/vax.md (movsi_2, movstrictqi, and<mode>3, ashrsi3,
+ ashlsi3, rotrsi3, <unnamed>): Likewise.
+
+2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
+
+ * gcc/config/vax/builtins.md (jbbssiqi, jbbssihi, jbbssisi, jbbcciqi,
+ jbbccihi, jbbccisi): Remova trailing whitespace.
+ * gcc/config/vax/constraints.md: Likewise.
+ * gcc/config/vax/elf.h: (ASM_PREFERRED_EH_DATA_FORMAT): Likewise.
+ * gcc/config/vax/openbsd1.h (OBSD_OLD_GAS): Likewise.
+ * gcc/config/vax/predicates.md: Likewise.
+ * gcc/config/vax/vax.c (print_operand_address, vax_output_int_move,
+ vax_expand_addsub_di_operands, adjacent_operands_p): Likewise.
+ * gcc/config/vax/vax.h: Likewise.
+ * gcc/config/vax/vax.md (nonlocal_goto): Likewise.
+
+2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
+
+ * gcc/config/vax/vax.c (vax_float_literal, vax_output_int_move)
+ (indirectable_address_p, adjacent_operands_p): Add spaces around
+ braces.
+ * gcc/config/vax/vax-protos.h (adjacent_operands_p): Likewise.
+
+2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
+
+ * gcc/config/vax/vax.c (legitimate_constant_address_p,
+ legitimate_constant_p, indirectable_address_p, nonindexed_address_p,
+ index_term_p, reg_plus_index_p, legitimate_address_p,
+ vax_mode_dependent_address_p): Update comments to match functions
+ modified by the recent int->bool conversion.
+
+2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
+
+ * gcc/config/vax/builtins.md: Update copyright message.
+ * gcc/config/vax/constraints.md: Likewise.
+ * gcc/config/vax/netbsd-elf.h: Likewise.
+ * gcc/config/vax/predicates.md: Likewise.
+ * gcc/config/vax/vax-protos.h: Likewise.
+ * gcc/config/vax/vax.c: Likewise.
+ * gcc/config/vax/vax.h: Likewise.
+ * gcc/config/vax/vax.md: Likewise.
+ * gcc/config/vax/vax.opt: Likewise.
+
+2009-04-01 Jan-Benedict Glaw <jbglaw@jbglaw-dev.homezone.telefonica.de>
+
+ * gcc/config/vax/builtins.md (ffssi2, ffssi2_internal,
+ sync_lock_test_and_set<mode>, sync_lock_release<mode>): Fix indention.
+ * gcc/config/vax/constraints.md (B, R): Likewise.
+ * gcc/config/vax/predicates.md (external_memory_operand,
+ nonimmediate_addsub_di_operand): Likewise.
+ * gcc/config/vax/vax.c (vax_output_int_add): Likewise.
+ * gcc/config/vax/vax.md (movsi, movsi_2, mov<mode>, call_value,
+ untyped_call): Likewise.
+
+2009-04-01 Matt Thomas <matt@3am-software.com>
+
+ * config/vax/predicates.md: New file. (symbolic_operand,
+ local_symbolic_operand, external_symbolic_operand,
+ external_const_operand, nonsymbolic_operand, external_memory_operand,
+ indirect_memory_operand, indexed_memory_operand,
+ illegal_blk_memory_operand, illegal_addsub_di_memory_operand,
+ nonimmediate_addsub_di_operand, general_addsub_di_operand): New
+ predicate.
+ * config/vax/constraints.md: New file. (Z0, U06, U08, U16, CN6, S08,
+ S16, I, J, K, L, M, N, O, G, Q, B, R, T): New constraint.
+ * config/vax/builtins.md: New file. (ffssi2, ffssi2_internal,
+ sync_lock_test_and_set<mode>, jbbssiqi, jbbssihi, jbbssisi,
+ sync_lock_release<mode>, jbbcciqi, jbbccihi, jbbccisi): Define.
+ * config/vax/vax.opt (mqmath): Add option.
+ * config/vax/vax.md (isfx): Extend with DI.
+ (VAXintQH, VAXintQHSD): Define.
+ (tst<mode>, cmp<mode>, *bit<mode>, movmemhi1, truncsiqi2, truncsihi2,
+ mulsidi3, add<mode>3, sub<mode>, mul<mode>3, div<mode>3, and<mode>,
+ and<mode>_const_int, ior<mode>3, xor<mode>3, neg<mode>2,
+ one_cmpl<mode>2, ashlsi3, lshrsi3, rotlsi3): Update constraints.
+ (movdi): Update constraints and use vax_output_int_move().
+ (movsi, movsi_2, pushlclsymreg, pushextsymreg, movlclsymreg,
+ movextsymreg, adddi3, adcdi3, subdi3, sbcdi3, pushextsym, movextsym,
+ pushlclsym, movlclsym, movaddr<mode>, pushaddr<mode>,
+ nonlocal_goto): New.
+ (mov<mode>): Extend accepted operand types.
+ (subdi3_old): Rename from subdi3, change update constraints and use
+ a new implementation.
+ * gcc/config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Add space.
+ (FRAME_POINTER_CFA_OFFSET, IRA_COVER_CLASSES, CLASS_MAX_NREGS,
+ MOVE_RATIO, CLEAR_RATIO): Define.
+ (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P,
+ CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
+ (PRINT_OPERAND): Redefine using a function instead of inlined code.
+ * gcc/config/vax/vax.c (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Define.
+ (split_quadword_operands): Make static and really allow variable
+ splitting.
+ (print_operand_address): Update for PIC generation.
+ (print_operand, vax_builtin_setjmp_frame_value, vax_output_int_subtract,
+ indexable_address_p, fixup_mathdi_operand,
+ vax_expand_addsub_di_operands, adjacent_operands_p): New.
+ (vax_float_literal, legitimate_constant_p,
+ indirectable_constant_address_p, index_term_p,
+ reg_plus_index_p): Return bool instead of int.
+ (vax_rtx_costs): Fix cost for CONST_INT, indent and use HOST_WIDE_INT
+ where needed.
+ (vax_output_int_move, vax_output_int_add): Extend to allow PIC
+ generation.
+ (vax_output_conditional_branch): Indent.
+ (legitimate_constant_address_p, indirectable_constant_address_p,
+ indirectable_address_p, nonindexed_address_p, legitimate_address_p,
+ vax_mode_dependent_address_p): Return bool instead of int, update for
+ PIC generation.
+ * config/vax/vax-protos.h (legitimate_constant_address_p,
+ legitimate_constant_p, legitimate_address_p,
+ vax_mode_dependent_address_p): Change declaration to bool.
+ (legitimate_pic_operand_p, adjacent_operands_p, print_operand,
+ vax_expand_addsub_di_operands, vax_output_int_subtract,
+ vax_output_movmemsi): Declare.
+ (split_quadword_operands, vax_float_literal): Delete declaration.
+ * config/vax/netbsd-elf.h (CC1_SPEC, CC1PLUS_SPEC) Define.
+ * config/vax/elf.h (NO_EXTERNAL_INDIRECT_ADDRESS,
+ VAX_CC1_AND_CC1PLUS_SPEC, ASM_PREFERRED_EH_DATA_FORMAT,
+ ASM_OUTPUT_DWARF_PCREL): Define.
+ (ASM_SPEC): Change definition to allow PIC generation.
+
+2009-04-01 Jakub Jelinek <jakub@redhat.com>
+
+ PR target/39226
+ * config/rs6000/rs6000.md (andsi3_internal5_nomc,
+ anddi3_internal2_nomc, anddi3_internal3_nomc): Removed.
+ (booldi3_internal3): Use boolean_or_operator instead of
+ boolean_operator.
+
+2009-04-01 Joseph Myers <joseph@codesourcery.com>
+
+ PR c/39605
+ * c-decl.c (grokdeclarator): Pedwarn for file-scope array
+ declarator whose size is not an integer constant expression but
+ folds to an integer constant, then treat it as a constant
+ subsequently.
+
+2009-04-01 Richard Guenther <rguenther@suse.de>
+
+ * fold-const.c (fold_plusminus_mult_expr): Do not fold
+ i * 4 + 2 to (i * 2 + 1) * 2.
+
+2009-04-01 Jakub Jelinek <jakub@redhat.com>
+
+ PR c/37772
+ * c-parser.c (c_parser_asm_statement): Skip until close paren and
+ return if c_parser_asm_string_literal returned NULL.
+
+2009-04-01 Nick Clifton <nickc@redhat.com>
+
+ * config/m32c/m32c.h (LIBGCC2_UNITS_PER_WORD): Define if not
+ already defined.
+ * config/m32c/t-m32c (LIB2FUNCS_EXTRA): Add m32c-lib2-trapv.c.
+ * config/m32c/m32c-lib2.c: Remove unused typedefs. Rename the
+ other typedefs to avoid conflicts with libgcc2.c. Define labels
+ to gain 16-bit bit-manipulation functions from libgcc2.c and then
+ include it.
+ * config/m32c/m32c-lib2-trapv.c: New file. Define labels
+ to gain 16-bit trapping arithmetic functions from libgcc2.c and
+ then include it.
+
+2009-04-01 Rafael Avila de Espindola <espindola@google.com>
+
+ * varasm.c (default_function_rodata_section): Declare DOT as const char*.
+
+2009-04-01 Kai Tietz <kai.tietz@onevision.com>
+ Andrey Galkin <agalkin@hypercom.com>
+
+ PR/39492
+ * config/i386/host-mingw32.c (mingw32_gt_pch_use_address):
+ Make object_name unique for each process.
+
+2009-04-01 Jakub Jelinek <jakub@redhat.com>
+
+ PR other/39591
+ * omp-low.c (remove_exit_barrier): Don't optimize if there are any
+ addressable variables in the parallel that could go out of scope while
+ running queued tasks.
+
+2009-04-01 Anatoly Sokolov <aesok@post.ru>
+
+ * config/avr/avr.h (avr_case_values_threshold): Remove declaration.
+ (CASE_VALUES_THRESHOLD): Redefine.
+ * config/avr/avr.c (avr_override_options): Remove initialization of
+ avr_case_values_threshold variable.
+ (avr_case_values_threshold): Remove variable. Add new function.
+ * config/avr/avr-protos.h (avr_case_values_threshold): Declare.
+ * config/avr/avr.opt (mno-tablejump): Remove option.
+ * doc/invoke.texi (AVR Options): Remove -mno-tablejump.
+
+2009-04-01 DJ Delorie <dj@redhat.com>
+
+ * varasm.c (default_function_rodata_section): Don't assume
+ anything about where the first '.' in the section name is.
+
+2009-04-01 Alan Modra <amodra@bigpond.net.au>
+
+ * config/rs6000/rs6000.c (rs6000_emit_stack_reset): Delete redundant
+ rs6000_emit_stack_tie.
+
+2009-03-31 Ian Lance Taylor <iant@google.com>
+
+ * tree-eh.c (tree_remove_unreachable_handlers): Compare
+ gimple_code with GIMPLE_RESX, not RESX.
+
+2009-03-31 Joseph Myers <joseph@codesourcery.com>
+
+ * c-common.c (c_get_ident): New.
+ (c_common_nodes_and_builtins): Call it for type names that may be
+ NULL.
+
+2009-04-01 Ben Elliston <bje@au.ibm.com>
+
+ * config/rs6000/sysv4.opt (msdata): Improve option description.
+
+2009-03-31 Steve Ellcey <sje@cup.hp.com>
+
+ * config/ia64/ia64.md (divsf3_internal_lat): Remove.
+ (divdf3_internal_lat): Remove.
+ (divxf3_internal_lat): Remove.
+ (divxf3_internal_thr): Remove.
+ (divxf): Use divxf3_internal.
+ * config/ia64/div.md (divsf3_internal_lat): New.
+ (divdf3_internal_lat): New.
+ (divxf3_internal): New.
+
+2009-03-31 Joseph Myers <joseph@codesourcery.com>
+
+ PR c/448
+ * Makefile.in (USE_GCC_STDINT): Define.
+ (stmp-int-hdrs): Install stdint.h if applicable.
+ * c-common.c (CHAR16_TYPE): Define in terms of UINT_LEAST16_TYPE
+ if known.
+ (CHAR32_TYPE): Define in terms of UINT_LEAST32_TYPE if known.
+ (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE, INT64_TYPE,
+ UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
+ INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
+ INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
+ UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
+ INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
+ UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
+ UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
+ (c_common_nodes_and_builtins): Initialize
+ underlying_wchar_type_node. Do not initialize
+ signed_wchar_type_node or unsigned_wchar_type_node. Initialize
+ nodes for new types.
+ (c_stddef_cpp_builtins): Define macros for new types.
+ * c-common.h (CTI_SIGNED_WCHAR_TYPE, CTI_UNSIGNED_WCHAR_TYPE):
+ Remove.
+ (CTI_UNDERLYING_WCHAR_TYPE, CTI_SIG_ATOMIC_TYPE, CTI_INT8_TYPE,
+ CTI_INT16_TYPE, CTI_INT32_TYPE, CTI_INT64_TYPE, CTI_UINT8_TYPE,
+ CTI_UINT16_TYPE, CTI_UINT32_TYPE, CTI_UINT64_TYPE,
+ CTI_INT_LEAST8_TYPE, CTI_INT_LEAST16_TYPE, CTI_INT_LEAST32_TYPE,
+ CTI_INT_LEAST64_TYPE, CTI_UINT_LEAST8_TYPE, CTI_UINT_LEAST16_TYPE,
+ CTI_UINT_LEAST32_TYPE, CTI_UINT_LEAST64_TYPE, CTI_INT_FAST8_TYPE,
+ CTI_INT_FAST16_TYPE, CTI_INT_FAST32_TYPE, CTI_INT_FAST64_TYPE,
+ CTI_UINT_FAST8_TYPE, CTI_UINT_FAST16_TYPE, CTI_UINT_FAST32_TYPE,
+ CTI_UINT_FAST64_TYPE, CTI_INTPTR_TYPE, CTI_UINTPTR_TYPE): Define.
+ (signed_wchar_type_node, unsigned_wchar_type_node): Remove.
+ (underlying_wchar_type_node, sig_atomic_type_node, int8_type_node,
+ int16_type_node, int32_type_node, int64_type_node,
+ uint8_type_node, uint16_type_node, c_uint32_type_node,
+ c_uint64_type_node, int_least8_type_node, int_least16_type_node,
+ int_least32_type_node, int_least64_type_node,
+ uint_least8_type_node, uint_least16_type_node,
+ uint_least32_type_node, uint_least64_type_node,
+ int_fast8_type_node, int_fast16_type_node, int_fast32_type_node,
+ int_fast64_type_node, uint_fast8_type_node, uint_fast16_type_node,
+ uint_fast32_type_node, uint_fast64_type_node, intptr_type_node,
+ uintptr_type_node): Define.
+ * c-cppbuiltin.c (builtin_define_constants,
+ builtin_define_type_minmax): New.
+ (builtin_define_stdint_macros): Define more macros.
+ (c_cpp_builtins): Define more limit macros.
+ (type_suffix): New.
+ (builtin_define_type_max): Define in terms of
+ builtin_define_type_minmax. Remove is_long parameter. All
+ callers changed.
+ * config.gcc (use_gcc_stdint): Define.
+ (tm_file): Add glibc-stdint.h for targets using glibc or uClibc.
+ Add newlib-stdint.h for generic targets.
+ * config/glibc-stdint.h, config/newlib-stdint.h,
+ ginclude/stdint-gcc.h, ginclude/stdint-wrap.h: New.
+ * config/m32c/m32c.h (UINTPTR_TYPE): Define.
+ * config/score/score.h (UINTPTR_TYPE): Define.
+ * config/sol2.h (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE,
+ INT32_TYPE, INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE,
+ UINT64_TYPE, INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
+ INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
+ UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
+ INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
+ UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
+ UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
+ * config/spu/spu.h (STDINT_LONG32): Define.
+ * configure.ac (use_gcc_stdint): Substitute.
+ * configure: Regenerate.
+ * doc/cpp.texi (__SIG_ATOMIC_TYPE__, __INT8_TYPE__,
+ __INT16_TYPE__, __INT32_TYPE__, __INT64_TYPE__, __UINT8_TYPE__,
+ __UINT16_TYPE__, __UINT32_TYPE__, __UINT64_TYPE__,
+ __INT_LEAST8_TYPE__, __INT_LEAST16_TYPE__, __INT_LEAST32_TYPE__,
+ __INT_LEAST64_TYPE__, __UINT_LEAST8_TYPE__, __UINT_LEAST16_TYPE__,
+ __UINT_LEAST32_TYPE_, __UINT_LEAST64_TYPE__, __INT_FAST8_TYPE__,
+ __INT_FAST16_TYPE__, __INT_FAST32_TYPE__, __INT_FAST64_TYPE__,
+ __UINT_FAST8_TYPE__, __UINT_FAST16_TYPE__, __UINT_FAST32_TYPE__,
+ __UINT_FAST64_TYPE__, __INTPTR_TYPE__, __UINTPTR_TYPE__,
+ __WINT_MAX__, __SIZE_MAX__, __PTRDIFF_MAX__, __UINTMAX_MAX__,
+ __SIG_ATOMIC_MAX__, __INT8_MAX__, __INT16_MAX__, __INT32_MAX__,
+ __INT64_MAX__, __UINT8_MAX__, __UINT16_MAX__, __UINT32_MAX__,
+ __UINT64_MAX__, __INT_LEAST8_MAX__, __INT_LEAST16_MAX__,
+ __INT_LEAST32_MAX__, __INT_LEAST64_MAX__, __UINT_LEAST8_MAX__,
+ __UINT_LEAST16_MAX__, __UINT_LEAST32_MAX__, __UINT_LEAST64_MAX__,
+ __INT_FAST8_MAX__, __INT_FAST16_MAX__, __INT_FAST32_MAX__,
+ __INT_FAST64_MAX__, __UINT_FAST8_MAX__, __UINT_FAST16_MAX__,
+ __UINT_FAST32_MAX__, __UINT_FAST64_MAX__, __INTPTR_MAX__,
+ __UINTPTR_MAX__, __WCHAR_MIN__, __WINT_MIN__, __SIG_ATOMIC_MIN__,
+ __INT8_C, __INT16_C, __INT32_C, __INT64_C, __UINT8_C, __UINT16_C,
+ __UINT32_C, __UINT64_C, __INTMAX_C, __UINTMAX_C): Document.
+ * doc/tm.texi (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE,
+ INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
+ INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
+ INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
+ UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
+ INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
+ UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
+ UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Document.
+
+2009-03-31 Bernd Schmidt <bernd.schmidt@analog.com>
+
+ * loop-iv.c (suitable_set_for_replacement): Renamed from
+ simplify_using_assignment; changed to return bool and to accept new
+ args DEST and SRC. Return true iff we find a source/destination pair
+ that can be used to make a replacement, and fill SRC and DEST if so.
+ Remove arg ALTERED. Don't deal with altered regs here. All callers
+ changed.
+ (simplify_using_initial_values): Deal with altered regs here and track
+ more precisely the effect they have on the validity of our expression.
+
+ * loop-iv.c (simplify_using_condition): A condition of the form
+ (EQ REG CONST) can be used to simply make a substitution.
+ (simplify_using_initial_values): Keep track of conditions we have seen
+ and keep using them to simplify new expressions, while applying the
+ same substitutions to them as to the expression.
+
+ * simplify-rtx.c (simplify_relational_operation_1): Simplify
+ (LTU (PLUS a C) C) or (LTU (PLUS a C) a) to (GEU a -C); likewise with
+ GEU/LTU reversed.
+
+ * loop-iv.c (determine_max_iter): New arg OLD_NITER. All callers
+ changed. Use this when trying to improve the upper bound.
+ Generate the comparison by using simplify_gen_relational.
+
+ * loop-iv.c (simple_rhs_p): Allow more kinds of expressions.
+
+ * loop-iv.c (replace_single_def_regs, replace_in_expr): New static
+ functions.
+ (simplify_using_assignment, simplify_using_initial_values): Call
+ replace_in_expr to make replacements. Call replace_single_def_regs
+ once on the initial version of the expression.
+
+2009-03-31 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
+
+ PR target/27237
+ * doc/invoke.texi (ARM Options): Update documentation for -mthumb.
+
+2009-03-31 Richard Guenther <rguenther@suse.de>
+
+ PR middle-end/31029
+ * fold-const.c (fold_binary): Fold X +- Y CMP X to Y CMP 0 for
+ equality comparisons. Fold C - X CMP X if C % 2 == 1.
+
+2009-03-31 Richard Guenther <rguenther@suse.de>
+
+ * tree.h (div_if_zero_remainder): Declare.
+ * fold-const.c (div_if_zero_remainder): Export.
+ * tree-ssa-forwprop.c
+ (forward_propagate_addr_into_variable_array_index): Handle
+ constant array index addition outside of the variable index.
+
+2009-03-31 Joseph Myers <joseph@codesourcery.com>
+
+ PR target/39592
+ * config/i386/i386.md (*floatunssi<mode>2_1, two unnamed
+ define_splits, floatunssi<mode>2): Require x87 conversions from
+ DImode to be permitted.
+
+2009-03-31 Joseph Myers <joseph@codesourcery.com>
+
+ PR preprocessor/15638
+ * c-common.c (c_cpp_error): Handle CPP_DL_FATAL.
+
+2009-03-31 Richard Guenther <rguenther@suse.de>
+
+ PR middle-end/23401
+ PR middle-end/27810
+ * tree.h (DECL_GIMPLE_FORMAL_TEMP_P): Remove.
+ (struct tree_decl_with_vis): Remove gimple_formal_temp member.
+ * tree-eh.c (lower_eh_constructs_2): Move LHS assignment to
+ a separate statement.
+ * gimplify.c (pop_gimplify_context): Remove formal temp handling.
+ (lookup_tmp_var): Likewise.
+ (is_gimple_formal_tmp_or_call_rhs): Remove.
+ (is_gimple_reg_or_call_rhs): Rename to ...
+ (is_gimple_reg_rhs_or_call): ... this.
+ (is_gimple_mem_or_call_rhs): Rename to ...
+ (is_gimple_mem_rhs_or_call): ... this.
+ (internal_get_tmp_var): Use is_gimple_reg_rhs_or_call. Set
+ DECL_GIMPLE_REG_P only if is_formal is true.
+ (gimplify_compound_lval): Use is_gimple_reg. Remove workaround
+ for non-proper post-modify expression gimplification.
+ (gimplify_self_mod_expr): For post-modify expressions gimplify
+ the lvalue to a minimal lvalue.
+ (rhs_predicate_for): Remove formal temp case.
+ (gimplify_modify_expr_rhs): Likewise.
+ (gimplify_addr_expr): Use is_gimple_reg.
+ (gimplify_expr): Remove formal temp cases.
+ (gimple_regimplify_operands): Likewise.
+ * tree-ssa-pre.c (get_or_alloc_expr_for): Treat EXC_PTR_EXPR
+ and FILTER_EXPR like constants.
+ * gimple.c (walk_gimple_op): Fix val_only initialization, use
+ is_gimple_reg.
+ (is_gimple_formal_tmp_rhs): Remove.
+ (is_gimple_reg_rhs): Remove special casing.
+ (is_gimple_mem_rhs): Fix.
+ (is_gimple_reg): Move DECL_GIMPLE_REG_P handling earlier.
+ (is_gimple_formal_tmp_var): Remove.
+ (is_gimple_formal_tmp_reg): Likewise.
+ (is_gimple_min_lval): Allow invariant component ref parts.
+ * gimple.h (is_gimple_formal_tmp_rhs, is_gimple_formal_tmp_var,
+ is_gimple_formal_tmp_reg): Remove declarations.
+ * tree-cfg.c (verify_expr): Verify that variables with address
+ taken do not have DECL_GIMPLE_REG_P set.
+ * tree-mudflap.c (mf_build_check_statement_for): Use
+ force_gimple_operand instead of gimplify_expr.
+
+2009-03-31 Ayal Zaks <zaks@il.ibm.com>
+
+ * modulo-sched.c (sms_schedule_by_order): Pass the actual
+ schedulable rows to compute_split_row.
+
+2009-03-31 Ben Elliston <bje@au.ibm.com>
+
+ PR target/31635
+ * config/rs6000/rs6000.c (rs6000_handle_option): Handle
+ OPT_mvrsave.
+
+2009-03-31 Alan Modra <amodra@bigpond.net.au>
+
+ * doc/invoke.texi (RS/6000 and PowerPC Options):Document mtls-markers.
+ * configure.ac (HAVE_AS_TLS_MARKERS): New gas feature check.
+ * configure: Regenerate.
+ * config.in: Regenerate.
+ * config/rs6000/rs6000.opt (mtls-markers): Add.
+ * config/rs6000/rs6000.h (TARGET_TLS_MARKERS): Define.
+ * config/rs6000/rs6000.md (tls_gd_aix, tls_gd_sysv): Add splitter.
+ (tls_ld_aix, tls_ld_sysv): Likewise.
+ (tls_gd, tls_gd_call_aix, tls_gd_call_sysv): New insns.
+ (tls_ld, tls_ld_call_aix, tls_ld_call_sysv): Likewise.
+
+2009-03-31 Alan Modra <amodra@bigpond.net.au>
+
+ * config/spu/spu.c (spu_expand_prologue): Delete redundant code.
+
+2009-03-30 Jan Hubicka <jh@suse.cz>
+
+ * tree-eh.c (make_eh_edges): Set probability 100% to first edge
+ out of RESX.
+ (tree_remove_unreachable_handlers): Cleanup EH predecestor
+ detection and label handling.
+
+2009-03-30 Vladimir Makarov <vmakarov@redhat.com>
+
+ * ira-int.h (ira_allocno): Rename left_conflicts_num to
+ left_conflicts_size.
+ (ALLOCNO_LEFT_CONFLICTS_NUM): Rename to
+ ALLOCNO_LEFT_CONFLICTS_SIZE.
+
+ * ira-color.c (allocno_spill_priority, push_allocno_to_stack,
+ remove_allocno_from_bucket_and_push,
+ allocno_spill_priority_compare, push_allocnos_to_stack,
+ setup_allocno_available_regs_num): Use ALLOCNO_LEFT_CONFLICTS_SIZE
+ instead of ALLOCNO_LEFT_CONFLICTS_NUM.
+ (setup_allocno_left_conflicts_num): Ditto. Rename to
+ setup_allocno_left_conflicts_size.
+ (put_allocno_into_bucket): Use ALLOCNO_LEFT_CONFLICTS_SIZE
+ instead of ALLOCNO_LEFT_CONFLICTS_NUM and
+ setup_allocno_left_conflicts_size instead of
+ setup_allocno_left_conflicts_num.
+
+ * ira-build.c (ira_create_allocno): Use
+ ALLOCNO_LEFT_CONFLICTS_SIZE instead of
+ ALLOCNO_LEFT_CONFLICTS_NUM.
+
+2009-03-30 Vladimir Makarov <vmakarov@redhat.com>
+
+ * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
+ instead of DF_LR_OUT.
+
+ * ira-lives.c (process_bb_node_lives): Ditto.
+
+ * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
+ instead of DF_LR_{OUT,IN}.
+
+ * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
+
+ * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
+
+2009-03-30 Jan Hubicka <jh@suse.cz>
+
+ * except.c (label_to_region_map): Fix thinko.
+
+2009-03-30 Steve Ellcey <sje@cup.hp.com>
+
+ PR middle-end/38237
+ * tree.h (tree_find_value): New declaration.
+ * tree.c (tree_find_value): New function.
+ * varasm.c (assemble_external): Avoid duplicate entries on lists.
+
+2009-03-30 Jakub Jelinek <jakub@redhat.com>
+
+ PR debug/39563
+ * c-decl.c (struct c_binding): Add locus field.
+ (bind): Add locus argument, set locus field from it.
+ (pop_scope): For b->nested VAR_DECL or FUNCTION_DECL,
+ add a DECL_EXTERNAL copy of b->decl to current BLOCK_VARS.
+ (push_file_scope, pushtag, pushdecl, pushdecl_top_level,
+ implicitly_declare, undeclared_variable, lookup_label,
+ declare_label, c_make_fname_decl, c_builtin_function,
+ c_builtin_function_ext_scope, store_parm_decls_newstyle): Adjust
+ bind callers.
+
+2008-03-30 H.J. Lu <hongjiu.lu@intel.com>
+
+ PR target/38781
+ * config/i386/i386.c (classify_argument): Check total size of
+ structure.
+
+2009-03-30 Martin Jambor <mjambor@suse.cz>
+
+ * ipa-prop.h (jump_func_type): Rename IPA_UNKNOWN, IPA_CONST,
+ IPA_CONST_MEMBER_PTR, and IPA_PASS_THROUGH to IPA_JF_UNKNOWN,
+ IPA_JF_CONST, IPA_JF_CONST_MEMBER_PTR, and IPA_JF_PASS_THROUGH
+ respectively.
+
+ * tree-dfa.c (get_ref_base_and_extent): Return -1 maxsize if
+ seen_variable_array_ref while also traversing a union.
+
+ * tree-inline.c (optimize_inline_calls): Do not call
+ cgraph_node_remove_callees.
+ * cgraphbuild.c (remove_cgraph_callee_edges): New function.
+ (pass_remove_cgraph_callee_edges): New variable.
+ * passes.c (init_optimization_passes): Add
+ pass_remove_cgraph_callee_edges after early inlining and before all
+ late intraprocedural passes.
+
+ * omp-low.c (expand_omp_taskreg): Always set current_function_decl.
+
+2009-03-30 Paolo Bonzini <bonzini@gnu.org>
+
+ * config/sparc/sparc.md (*nand<V64mode>_vis, *nand<V32mode>_vis):
+ Fix typos in names.
+
+2009-03-30 Paolo Bonzini <bonzini@gnu.org>
+
+ * combine.c (simplify_comparison): Use have_insn_for.
+ * dojump.c (do_jump): Likewise.
+
+2009-03-30 Paolo Bonzini <bonzini@gnu.org>
+
+ * config/sparc/sparc.c (sparc_compare_emitted): Remove.
+ (gen_compare_reg, emit_v9_brxx_insn): Handle MODE_CC
+ sparc_compare_op0 like sparc_compare_emitted used to be handled.
+ (sparc_expand_compare_and_swap_12): Set sparc_compare_op0
+ instead of sparc_compare_emitted.
+ * config/sparc/sparc.h (sparc_compare_emitted): Remove.
+ * config/sparc/sparc.md (stack_protect_test): Set sparc_compare_op0
+ instead of sparc_compare_emitted.
+
+2009-03-30 Paolo Bonzini <bonzini@gnu.org>
+
+ * bb-reorder.c (partition_hot_cold_basic_blocks): Do not
+ enter/exit cfglayout mode.
+ (pass_partition_block): Require it.
+ * combine.c (find_single_use, reg_dead_at_p): Use CFG.
+ (combine_instructions): Track basic blocks instead of labels.
+ (update_cfg_for_uncondjump): New.
+ (try_combine): Use it. Update jumps after rescanning.
+ (pass_combine): Require PROP_cfglayout.
+ * passes.c (pass_outof_cfg_layout_mode): Move after regmove.
+
+2009-03-30 Paolo Bonzini <bonzini@gnu.org>
+
+ * cfglayout.c (pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode):
+ Provide/destroy PROP_cfglayout respectively.
+ * gcse.c (pass_jump_bypass, pass_gcse): Require it.
+ * tree-pass.h (PROP_cfglayout): New.
+
+2009-03-30 Paolo Bonzini <bonzini@gnu.org>
+
+ * fold-const.c (const_binop, fold_convert_const_real_from_fixed,
+ fold_convert_const_fixed_from_fixed,
+ fold_convert_const_fixed_from_int,
+ fold_convert_const_fixed_from_real, fold_negate_const): Do not
+ set TREE_CONSTANT_OVERFLOW.
+ * tree.def: Remove mention of TREE_CONSTANT_OVERFLOW.
+ * tree.h (TREE_CONSTANT_OVERFLOW): Delete.
+
+2009-03-30 Ira Rosen <irar@il.ibm.com>
+
+ * tree-vect-loop-manip.c: New file.
+ * tree-vectorizer.c: Update documentation and included files.
+ (vect_loop_location): Make extern.
+ (rename_use_op): Move to tree-vect-loop-manip.c
+ (rename_variables_in_bb, rename_variables_in_loop,
+ slpeel_update_phis_for_duplicate_loop,
+ slpeel_update_phi_nodes_for_guard1,
+ slpeel_update_phi_nodes_for_guard2, slpeel_make_loop_iterate_ntimes,
+ slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_add_loop_guard,
+ slpeel_can_duplicate_loop_p, slpeel_verify_cfg_after_peeling,
+ set_prologue_iterations, slpeel_tree_peel_loop_to_edge,
+ find_loop_location): Likewise.
+ (new_stmt_vec_info): Move to tree-vect-stmts.c.
+ (init_stmt_vec_info_vec, free_stmt_vec_info_vec, free_stmt_vec_info,
+ get_vectype_for_scalar_type, vect_is_simple_use,
+ supportable_widening_operation, supportable_narrowing_operation):
+ Likewise.
+ (bb_in_loop_p): Move to tree-vect-loop.c.
+ (new_loop_vec_info, destroy_loop_vec_info,
+ reduction_code_for_scalar_code, report_vect_op,
+ vect_is_simple_reduction, vect_is_simple_iv_evolution): Likewise.
+ (vect_can_force_dr_alignment_p): Move to tree-vect-data-refs.c.
+ (vect_supportable_dr_alignment): Likewise.
+ * tree-vectorizer.h (tree-data-ref.h): Include.
+ (vect_loop_location): Declare.
+ Reorganize function declarations according to the new file structure.
+ * tree-vect-loop.c: New file.
+ * tree-vect-analyze.c: Remove. Move functions to tree-vect-data-refs.c,
+ tree-vect-stmts.c, tree-vect-slp.c, tree-vect-loop.c.
+ * tree-vect-data-refs.c: New file.
+ * tree-vect-patterns.c (timevar.h): Don't include.
+ * tree-vect-stmts.c: New file.
+ * tree-vect-transform.c: Remove. Move functions to tree-vect-stmts.c,
+ tree-vect-slp.c, tree-vect-loop.c.
+ * Makefile.in (OBJS-common): Remove tree-vect-analyze.o and
+ tree-vect-transform.o. Add tree-vect-data-refs.o, tree-vect-stmts.o,
+ tree-vect-loop.o, tree-vect-loop-manip.o, tree-vect-slp.o.
+ (tree-vect-analyze.o): Remove.
+ (tree-vect-transform.o): Likewise.
+ (tree-vect-data-refs.o): Add rule.
+ (tree-vect-stmts.o, tree-vect-loop.o, tree-vect-loop-manip.o,
+ tree-vect-slp.o): Likewise.
+ (tree-vect-patterns.o): Remove redundant dependencies.
+ (tree-vectorizer.o): Likewise.
+ * tree-vect-slp.c: New file.
+
+2009-03-30 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
+
+ * optc-gen.awk: Warn if an option flag has multiple different
+ help strings.
+
+2009-03-30 Sebastian Pop <sebastian.pop@amd.com>
+
+ * doc/invoke.texi (-floop-interchange, -floop-strip-mine,
+ -floop-block): Document dependences on PPL, CLooG and Graphite.
+
+2009-03-30 Joseph Myers <joseph@codesourcery.com>
+
+ PR rtl-optimization/323
+ * c-common.c (c_fully_fold, convert_and_check,
+ c_common_truthvalue_conversion): Handle EXCESS_PRECISION_EXPR.
+ (c_fully_fold_internal): Disallow EXCESS_PRECISION_EXPR.
+ * c-common.def (EXCESS_PRECISION_EXPR): New.
+ * c-cppbuiltin.c (builtin_define_float_constants): Define
+ constants with enough digits for long double.
+ * c-lex.c (interpret_float): Interpret constant with excess
+ precision where appropriate.
+ * c-opts.c (c_common_post_options): Set
+ flag_excess_precision_cmdline. Give an error for
+ -fexcess-precision=standard for C++ for processors where the
+ option is significant.
+ * c-parser.c (c_parser_conditional_expression): Handle excess
+ precision in condition.
+ * c-typeck.c (convert_arguments): Handle arguments with excess
+ precision.
+ (build_unary_op): Move excess precision outside operation.
+ (build_conditional_expr): Likewise.
+ (build_compound_expr): Likewise.
+ (build_c_cast): Do cast on operand of EXCESS_PRECISION_EXPR.
+ (build_modify_expr): Handle excess precision in RHS.
+ (convert_for_assignment): Handle excess precision in converted
+ value.
+ (digest_init, output_init_element, process_init_element): Handle
+ excess precision in initializer.
+ (c_finish_return): Handle excess precision in return value.
+ (build_binary_op): Handle excess precision in operands and add
+ excess precision as needed for operation.
+ * common.opt (-fexcess-precision=): New option.
+ * config/i386/i386.h (X87_ENABLE_ARITH, X87_ENABLE_FLOAT): New.
+ * config/i386/i386.md (float<SSEMODEI24:mode><X87MODEF:mode>2):
+ For standard excess precision, output explicit conversion to and
+ truncation from XFmode.
+ (*float<SSEMODEI24:mode><X87MODEF:mode>2_1,
+ *float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp,
+ *float<SSEMODEI24:mode><X87MODEF:mode>2_i387, two unnamed
+ define_splits, floatdi<X87MODEF:mode>2_i387_with_xmm, two unnamed
+ define_splits, *floatunssi<mode>2_1, two unnamed define_splits,
+ floatunssi<mode>2, add<mode>3, sub<mode>3, mul<mode>3, divdf3,
+ divsf3, *fop_<mode>_comm_i387, *fop_<mode>_1_i387,
+ *fop_<MODEF:mode>_2_i387, *fop_<MODEF:mode>_3_i387,
+ *fop_df_4_i387, *fop_df_5_i387, *fop_df_6_i387, two unnamed
+ define_splits, sqrt<mode>2): Disable where appropriate for
+ standard excess precision.
+ * convert.c (convert_to_real): Do not shorten arithmetic to type
+ for which excess precision would be used.
+ * defaults.h (TARGET_FLT_EVAL_METHOD_NON_DEFAULT): Define.
+ * doc/invoke.texi (-fexcess-precision=): Document option.
+ (-mfpmath=): Correct index entry.
+ * flags.h (enum excess_precision, flag_excess_precision_cmdline,
+ flag_excess_precision): New.
+ * langhooks.c (lhd_post_options): Set
+ flag_excess_precision_cmdline.
+ * opts.c (common_handle_option): Handle -fexcess-precision=.
+ * toplev.c (flag_excess_precision_cmdline, flag_excess_precision,
+ init_excess_precision): New.
+ (lang_dependent_init_target): Call init_excess_precision.
+ * tree.c (excess_precision_type): New.
+ * tree.h (excess_precision_type): Declare.
+
+2009-03-30 Joseph Myers <joseph@codesourcery.com>
+
+ PR c/35235
+ * c-typeck.c (build_component_ref): Do not copy qualifiers from
+ non-lvalue to component.
+
+2009-03-29 Joseph Myers <joseph@codesourcery.com>
+
+ PR preprocessor/34695
+ * Makefile.in (c-opts.o): Depend on c-tree.h.
+ * c-common.c: Move down include of diagnostic.h.
+ (done_lexing, c_cpp_error): New.
+ * c-common.h (done_lexing): Declare.
+ * c-decl.c (c_write_global_declarations): Don't check cpp_errors
+ (parse_in).
+ * c-opts.c: Include c-tree.h.
+ (c_common_init_options): Set preprocessor error callback.
+ (c_common_handle_option): Do not set preprocessor
+ inhibit_warnings, warnings_are_errors, warn_system_headers,
+ pedantic_errors or inhibit_warnings flags.
+ (c_common_post_options): Do not check cpp_errors (parse_in).
+ (c_common_finish): Do not output dependencies if there were
+ errors. Do not check return value of cpp_finish.
+ * c-ppoutput.c (pp_file_change): Set input_location.
+ * c-tree.h (c_cpp_error): Declare.
+ * diagnostic.c (diagnostic_set_info_translated): Also initialize
+ override_column.
+ (diagnostic_build_prefix): Check override_column.
+ * diagnostic.h (diagnostic_info): Add override_column field.
+ (diagnostic_override_column): Define.
+
+2009-03-28 Paolo Bonzini <bonzini@gnu.org>
+
+ * c-common.c (c_expand_expr, c_staticp): Remove.
+ * c-common.def (COMPOUND_LITERAL_EXPR): Delete.
+ * c-common.h (emit_local_var, c_staticp, COMPOUND_LITERAL_EXPR_DECL,
+ COMPOUND_LITERAL_EXPR_DECL_EXPR): Remove.
+ * c-gimplify.c (gimplify_compound_literal_expr,
+ optimize_compound_literals_in_ctor): Remove.
+ (c_gimplify_expr): Remove COMPOUND_LITERAL_EXPR handling.
+ * c-objc-common.h (LANG_HOOKS_STATICP): Remove.
+ * c-semantics.c (emit_local_var): Remove.
+
+ * langhooks-def.h (lhd_expand_expr): Remove.
+ * langhooks.c (lhd_expand_expr): Remove.
+ * langhooks.h (LANG_HOOKS_DEF): Remove LANG_HOOKS_EXPAND_EXPR.
+
+ * expr.c (expand_expr_real_1): Move COMPOUND_LITERAL_EXPR
+ handling from c-semantics.c; don't call into langhook.
+ (expand_expr_addr_expr_1): Check that we don't get non-GENERIC trees.
+ * gimplify.c (gimplify_compound_literal_expr,
+ optimize_compound_literals_in_ctor): Move from c-gimplify.c.
+ (gimplify_init_constructor): Call optimize_compound_literals_in_ctor.
+ (gimplify_modify_expr_rhs, gimplify_expr): Handle COMPOUND_LITERAL_EXPR
+ as was done in c-gimplify.c.
+ * tree.c (staticp): Move COMPOUND_LITERAL_EXPR handling from c_staticp.
+ * tree.h (COMPOUND_LITERAL_EXPR_DECL, COMPOUND_LITERAL_EXPR_DECL_EXPR):
+ Move from c-common.h.
+ * tree.def (COMPOUND_LITERAL_EXPR): Move from c-common.def.
+
+ * tree.c (staticp): Do not call langhook.
+ * langhooks.c (lhd_staticp): Delete.
+ * langhooks-def.h (lhd_staticp): Delete prototype.
+ (LANG_HOOKS_STATICP): Delete.
+ (LANG_HOOKS_INITIALIZER): Delete LANG_HOOKS_STATICP.
+
+ * doc/c-tree.texi (Expression nodes): Refer to DECL_EXPRs
+ instead of DECL_STMTs.
+
+2009-03-29 Joseph Myers <joseph@codesourcery.com>
+
+ PR c/456
+ PR c/5675
+ PR c/19976
+ PR c/29116
+ PR c/31871
+ PR c/35198
+ * builtins.c (fold_builtin_sincos): Build COMPOUND_EXPR in
+ void_type_node.
+ (fold_call_expr): Return a NOP_EXPR from folding rather than the
+ contained expression.
+ * c-common.c (c_fully_fold, c_fully_fold_internal, c_save_expr): New.
+ (c_common_truthvalue_conversion): Use c_save_expr. Do not fold
+ conditional expressions for C.
+ (decl_constant_value_for_optimization): Move from
+ decl_constant_value_for_broken_optimization in c-typeck.c. Check
+ whether optimizing and that the expression is a VAR_DECL not of
+ array type instead of doing such checks in the caller. Do not
+ check pedantic. Call gcc_unreachable for C++.
+ * c-common.def (C_MAYBE_CONST_EXPR): New.
+ * c-common.h (c_fully_fold, c_save_expr,
+ decl_constant_value_for_optimization): New prototypes.
+ (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
+ C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
+ EXPR_INT_CONST_OPERANDS): Define.
+ * c-convert.c (convert): Strip nops from expression.
+ * c-decl.c (groktypename): Take extra parameters expr and
+ expr_const_operands. Update call to grokdeclarator.
+ (start_decl): Update call to grokdeclarator. Add statement for
+ expressions used in type of decl.
+ (grokparm): Update call to grokdeclarator.
+ (push_parm_decl): Update call to grokdeclarator.
+ (build_compound_literal): Add parameter non_const and build a
+ C_MAYBE_COSNT_EXPR if applicable.
+ (grokdeclarator): Take extra parameters expr and
+ expr_const_operands. Track expressions used in declaration
+ specifiers and declarators. Fold array sizes and track whether
+ they are constant expressions and whether they are integer
+ constant expressions.
+ (parser_xref_tag): Set expr and expr_const_operands fields in
+ return value.
+ (grokfield): Update call to grokdeclarator.
+ (start_function): Update call to grokdeclarator.
+ (build_null_declspecs): Set expr and expr_const_operands fields in
+ return value.
+ (declspecs_add_type): Handle expressions in typeof specifiers.
+ * c-parser.c (c_parser_declspecs): Set expr and
+ expr_const_operands fields for declaration specifiers.
+ (c_parser_enum_specifier): Likewise.
+ (c_parser_struct_or_union_specifier): Likewise.
+ (c_parser_typeof_specifier): Likewise. Update call to
+ groktypename. Fold expression as needed. Return expressions with
+ type instead of adding statements.
+ (c_parser_attributes): Update calls to c_parser_expr_list.
+ (c_parser_statement_after_labels): Fold expression before passing
+ to objc_build_throw_stmt.
+ (c_parser_condition): Fold expression.
+ (c_parser_asm_operands): Fold expression.
+ (c_parser_conditional_expression): Use c_save_expr. Update call
+ to build_conditional_expr.
+ (c_parser_alignof_expression): Update call to groktypename.
+ (c_parser_postfix_expression): Preserve C_MAYBE_CONST_EXPR as
+ original_code. Fold expression argument of va_arg. Create
+ C_MAYBE_CONST_EXPR to preserve side effects of expressions in type
+ argument to va_arg. Update calls to groktypename. Fold array
+ index for offsetof. Verify that first argument to
+ __builtin_choose_expr has integer type.
+ (c_parser_postfix_expression_after_paren_type): Update calls to
+ groktypename and build_compound_literal. Handle expressions with
+ side effects in type name.
+ (c_parser_postfix_expression_after_primary): Update call to
+ c_parser_expr_list. Set original_code for calls to
+ __builtin_constant_p.
+ (c_parser_expr_list): Take extra parameter fold_p. Fold
+ expressions if requested.
+ (c_parser_objc_type_name): Update call to groktypename.
+ (c_parser_objc_synchronized_statement): Fold expression.
+ (c_parser_objc_receiver): Fold expression.
+ (c_parser_objc_keywordexpr): Update call to c_parser_expr_list.
+ (c_parser_omp_clause_num_threads, c_parser_omp_clause_schedule,
+ c_parser_omp_atomic, c_parser_omp_for_loop): Fold expressions.
+ * c-tree.h (CONSTRUCTOR_NON_CONST): Define.
+ (struct c_typespec): Add elements expr and expr_const_operands.
+ (struct c_declspecs): Add elements expr and expr_const_operands.
+ (groktypename, build_conditional_expr, build_compound_literal):
+ Update prototypes.
+ (in_late_binary_op): Declare.
+ * c-typeck.c (note_integer_operands): New function.
+ (in_late_binary_op): New variable.
+ (decl_constant_value_for_broken_optimization): Move to c-common.c
+ and rename to decl_constant_value_for_optimization.
+ (default_function_array_conversion): Do not strip nops.
+ (default_conversion): Do not call
+ decl_constant_value_for_broken_optimization.
+ (build_array_ref): Do not fold result.
+ (c_expr_sizeof_expr): Fold operand. Use C_MAYBE_CONST_EXPR for
+ result when operand is a VLA.
+ (c_expr_sizeof_type): Update call to groktypename. Handle
+ expressions included in type name. Use C_MAYBE_CONST_EXPR for
+ result when operand names a VLA type.
+ (build_function_call): Update call to build_compound_literal.
+ Only fold result for calls to __builtin_* functions. Strip
+ NOP_EXPR from INTEGER_CST returned from such functions. Fold
+ the function designator.
+ (convert_arguments): Fold arguments. Update call to
+ convert_for_assignment.
+ (build_unary_op): Handle increment and decrement of
+ C_MAYBE_CONST_EXPR. Move lvalue checks for increment and
+ decrement earlier. Fold operand of increment and decrement.
+ Handle address of C_MAYBE_CONST_EXPR. Only fold expression being
+ built for integer operand. Wrap returns that are INTEGER_CSTs
+ without being integer constant expressions or that have integer
+ constant operands without being INTEGER_CSTs.
+ (lvalue_p): Handle C_MAYBE_CONST_EXPR.
+ (build_conditional_expr): Add operand ifexp_bcp. Track whether
+ result is an integer constant expression or can be used in
+ unevaluated parts of one and avoid folding and wrap as
+ appropriate. Fold operands before possibly doing -Wsign-compare
+ warnings.
+ (build_compound_expr): Wrap result for C99 if operands can be used
+ in integer constant expressions.
+ (build_c_cast): Update call to digest_init. Do not ignore
+ overflow from casting floating-point constants to integers. Wrap
+ results that could be confused with integer constant expressions,
+ null pointer constants or floating-point constants.
+ (c_cast_expr): Update call to groktypename. Handle expressions
+ included in type name.
+ (build_modify_expr): Handle modifying a C_MAYBE_CONST_EXPR. Fold
+ lhs inside possible SAVE_EXPR. Fold RHS before assignment.
+ Update calls to convert_for_assignment.
+ (convert_for_assignment): Take new parameter
+ null_pointer_constant. Do not strip nops or call
+ decl_constant_value_for_broken_optimization. Set
+ in_late_binary_op for conversions to boolean.
+ (store_init_value): Update call to digest_init.
+ (digest_init): Take new parameter null_pointer_constant. Do not
+ call decl_constant_value_for_broken_optimization. pedwarn for
+ initializers not constant expressions. Update calls to
+ convert_for_assignment.
+ (constructor_nonconst): New.
+ (struct constructor_stack): Add nonconst element.
+ (really_start_incremental_init, push_init_level, pop_init_level):
+ Handle constructor_nonconst and nonconst element.
+ (set_init_index): Call constant_expression_warning for array
+ designators.
+ (output_init_element): Fold value. Set constructor_nonconst as
+ applicable. pedwarn for initializers not constant expressions.
+ Update call to digest_init. Call constant_expression_warning
+ where constant initializers are required.
+ (process_init_element): Use c_save_expr.
+ (c_finish_goto_ptr): Fold expression.
+ (c_finish_return): Fold return value. Update call to
+ convert_for_assignment.
+ (c_start_case): Fold switch expression.
+ (c_process_expr_stmt): Fold expression.
+ (c_finish_stmt_expr): Create C_MAYBE_CONST_EXPR as needed to
+ ensure statement expression is not evaluated in constant expression.
+ (build_binary_op): Track whether results are integer constant
+ expressions or may occur in such, disable folding and wrap results
+ as applicable. Fold operands for -Wsign-compare warnings unless
+ in_late_binary_op.
+ (c_objc_common_truthvalue_conversion): Handle results folded to
+ integer constants that are not integer constant expressions.
+ * doc/extend.texi: Document when typeof operands are evaluated,
+ that condition of __builtin_choose_expr is an integer constant
+ expression, and more about use of __builtin_constant_p in
+ initializers.
+
+2009-03-29 Richard Guenther <rguenther@suse.de>
+
+ * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Properly
+ propagate addresses of array references.
+
+2009-03-29 Steven Bosscher <steven@gcc.gnu.org>
+
+ * regmove.c (perhaps_ends_bb_p): Remove.
+ (optimize_reg_copy_1): Don't call perhaps_ends_bb_p. Get basic block
+ from INSN and check that the main loop stays within that basic block.
+ (optimize_reg_copy_1, optimize_reg_copy_3, fixup_match_2): Likewise.
+ (regmove_forward_pass): Split out from regmove_optimize. Use
+ FOR_EACH_BB and FOR_BB_INSNS instead of traversing the insns stream.
+ (regmove_backward_pass): Split out from regmove_optimize. Use
+ FOR_EACH_BB_REVERSE and FOR_BB_INSNS_REVERS_SAFE.
+ (regmove_optimize): Simplify.
+
+2009-03-29 H.J. Lu <hongjiu.lu@intel.com>
+
+ PR target/39545
+ * config/i386/i386.c (classify_argument): Ignore flexible array
+ member in struct and warn ABI change.
+
+2009-03-29 H.J. Lu <hongjiu.lu@intel.com>
+
+ * config/i386/i386-protos.h (ix86_agi_dependent): New.
+
+ * config/i386/i386.c (ix86_agi_dependent): Rewrite.
+ (ix86_adjust_cost): Updated.
+
+2009-03-29 Jan Hubicka <jh@suse.cz>
+
+ PR middle-end/28850
+ * tree-pass.h (pass_cleanup_eh): New function.
+ (remove_unreachable_regions): Break code handling RTL
+ to rtl_remove_unreachable_regions; remove ERT_MUST_NOT_THROW
+ that can not be reached by runtime.
+ (can_be_reached_by_runtime): New function.
+ (label_to_region_map): New function.
+ (num_eh_regions): New function.
+ (rtl_remove_unreachable_regions): New function.
+ (convert_from_eh_region_ranges): Call rtl_remove_unreachable_regions.
+ (remove_eh_region): New function.
+ * except.h: Include sbitmap and vecprim.
+ (remove_eh_region, remove_unreachable_regions, label_to_region_map,
+ num_eh_regions): Declare.
+ * passes.c (init_optimization_passes): Schedule cleanup_eh.
+ * Makefile.in (EXCEPT_H): New; replace all uses of except.h by it.
+ * tree-eh.c (tree_remove_unreachable_handlers): New function.
+ (tree_empty_eh_handler_p): New function.
+ (cleanup_empty_eh): New function.
+ (cleanup_eh): New function.
+ (pass_cleanup_eh): New function.
+
2009-03-29 Jan Hubicka <jh@suse.cz>
* except.c (verify_eh_tree): Fix handling of fun!=cfun; be ready
Merge from pretty-ipa:
2009-03-27 Jan Hubicka <jh@suse.cz>
+
* cgraph.c (dump_cgraph_node): Add replace output flag by process.
* tree-pass.h (function_called_by_processed_nodes_p): Declare.
* passes.c (function_called_by_processed_nodes_p): New.
* tree-flow.h (stmt_can_throw_external): New.
* passes.c (init_optimization_passes): Schedule fixup_cfg pass early;
and local pure/const pass in early and late optimization queue.
+
2009-03-28 Martin Jambor <mjambor@suse.cz>
* fold-const.c (get_pointer_modulus_and_residue): New parameter
2009-03-28 Jan Hubicka <jh@suse.cz>
Bring from lto-branch:
+
2008-09-03 Doug Kwan <dougkwan@google.com>
* cgraphbuild.c (initialize_inline_failed): Use cgraph_inline_failed_t
* c-common.c (handle_aligned_attribute): Properly check alignment
overflow. Use (1U << i) instead of (1 << i).
- * emit-rtl.c (get_mem_align_offset): Use "unsigned int" for
- align.
+ * emit-rtl.c (get_mem_align_offset): Use "unsigned int" for align.
* expr.h (get_mem_align_offset): Updated.
PR target/39472
* config/i386/i386.c (ix86_abi): New.
(override_options): Handle -mabi=.
- (ix86_function_arg_regno_p): Replace DEFAULT_ABI with
- ix86_abi.
+ (ix86_function_arg_regno_p): Replace DEFAULT_ABI with ix86_abi.
(ix86_call_abi_override): Likewise.
(init_cumulative_args): Likewise.
(function_arg_advance): Likewise.
(setup_incoming_varargs_64): Likewise.
(is_va_list_char_pointer): Likewise.
(ix86_init_machine_status): Likewise.
- (ix86_reg_parm_stack_space): Use enum calling_abi on
- call_abi.
+ (ix86_reg_parm_stack_space): Use enum calling_abi on call_abi.
(ix86_function_type_abi): Return enum calling_abi. Rewrite
for 64bit. Replace DEFAULT_ABI with ix86_abi.
- (ix86_function_abi): Make it static and return enum
- calling_abi.
+ (ix86_function_abi): Make it static and return enum calling_abi.
(ix86_cfun_abi): Return enum calling_abi. Replace DEFAULT_ABI
with ix86_abi.
(ix86_fn_abi_va_list): Updated.
2009-03-27 Andrew Pinski <andrew_pinski@playstation.sony.com>
PR c++/36799
- * ginclude/stdarg.h (va_copy): Define also for __GXX_EXPERIMENTAL_CXX0X__.
+ * ginclude/stdarg.h (va_copy): Define also for
+ __GXX_EXPERIMENTAL_CXX0X__.
2009-03-27 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
* configure.ac <GAS features, nop mnemonic>: Add pattern
crisv32-*-* for "nop".
- <GAS features, Thread-local storage>: Add item for CRIS and
- CRIS v32.
+ <GAS features, Thread-local storage>: Add item for CRIS and CRIS v32.
* configure: Regenerate.
2009-03-24 Ira Rosen <irar@il.ibm.com>
2009-03-24 Arthur Loiret <aloiret@debian.org>
- * config.host (alpha*-*-linux*): Use driver-alpha.o and
- alpha/x-alpha.
+ * config.host (alpha*-*-linux*): Use driver-alpha.o and alpha/x-alpha.
* config/alpha/linux.h (host_detect_local_cpu): Declare, add to
EXTRA_SPEC_FUNCTIONS.
(MCPU_MTUNE_NATIVE_SPECS, DRIVER_SELF_SPECS): New macros.
2009-03-06 Jan-Benedict Glaw <jbglaw@lug-owl.de>
- * genpreds.c: (needs_variable): Fix parentheses at variable name
+ * genpreds.c (needs_variable): Fix parentheses at variable name
detection.
(write_tm_constrs_h): Indent generated code.
2009-02-27 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
- * gcc/config/s390/s390.c: (s390_swap_cmp): Look for conditional
+ * gcc/config/s390/s390.c (s390_swap_cmp): Look for conditional
jumps if COND is NULL.
(find_cond_jump): New function.
(s390_z10_optimize_cmp): Handling for reg-reg compares added.
* global.c: Remove the file.
- * opts.c: (decode_options): Remove flag_ira.
+ * opts.c (decode_options): Remove flag_ira.
* hard-reg-set.h (losing_caller_save_reg_set): Remove.
2009-01-22 Dodji Seketeli <dodji@redhat.com>
PR c++/38930
- * c-decl.c: (clone_underlying_type): Revert PR c++/26693 changes.
+ * c-decl.c (clone_underlying_type): Revert PR c++/26693 changes.
* c-common.c (set_underlying_type): Likewise.
(is_typedef_decl ): Likewise
* tree.h: Likewise
2009-01-21 Dodji Seketeli <dodji@redhat.com>
PR c++/26693
- * c-decl.c: (clone_underlying_type): Move this ...
+ * c-decl.c (clone_underlying_type): Move this ...
* c-common.c (set_underlying_type): ... here.
Also, make sure the function properly sets TYPE_STUB_DECL() on
the newly created typedef variant type.
* config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
* config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
variant for devices with 3-byte PC.
- (__tablejump_elpm__) : New.
+ (__tablejump_elpm__): New.
2009-01-12 Jakub Jelinek <jakub@redhat.com>
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