+2011-01-25 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/47426
+ * tree-ssa-structalias.c (ipa_pta_execute): Make externally
+ visible functions results escape.
+
+2011-01-25 Jakub Jelinek <jakub@redhat.com>
+
+ PR target/45701
+ * config/arm/arm.c (any_sibcall_uses_r3): New function.
+ (arm_get_frame_offsets): Use it.
+
+2011-01-25 Sebastian Pop <sebastian.pop@amd.com>
+ Jakub Jelinek <jakub@redhat.com>
+
+ PR tree-optimization/47271
+ * tree-if-conv.c (bb_postdominates_preds): New.
+ (if_convertible_bb_p): Call bb_postdominates_preds.
+ (if_convertible_loop_p_1): Compute CDI_POST_DOMINATORS.
+ (predicate_scalar_phi): Call bb_postdominates_preds.
+
+2011-01-25 Nick Clifton <nickc@redhat.com>
+
+ * config/rx/rx.h (LIBCALL_VALUE): Do not promote complex types.
+ * config/rx/rx.c (rx_function_value): Likewise.
+ (rx_promote_function_mode): Likewise.
+ (gen_safe_add): Place an outsized immediate value inside an UNSPEC
+ in order to make it legitimate.
+ * config/rx/rx.md (adddi3_internal): If the second operand is a
+ MEM make sure that the first operand is the same as the result
+ register.
+ (addsi3_unspec): Delete.
+ (subdi3): Do not accept immediate operands.
+ (subdi3_internal): Likewise.
+
+2011-01-25 Jeff Law <law@redhat.com>
+
+ PR rtl-optimization/37273
+ * ira-costs.c (scan_one_insn): Detect constants living in memory and
+ handle them like argument loads from stack slots. Do not double
+ count memory for memory constants and argument loads from stack slots.
+
+2011-01-25 Jakub Jelinek <jakub@redhat.com>
+
+ PR tree-optimization/47427
+ PR tree-optimization/47428
+ * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
+ coalesce if the new root var would be TREE_READONLY.
+
+2011-01-25 Richard Guenther <rguenther@suse.de>
+
+ PR middle-end/47414
+ * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Use the
+ correct type for TBAA.
+
+2011-01-25 Sebastian Pop <sebastian.pop@amd.com>
+
+ * graphite-sese-to-poly.c (dr_indices_valid_in_loop): New.
+ (close_phi_written_to_memory): Call for_each_index with
+ dr_indices_valid_in_loop.
+
+2011-01-25 Sebastian Pop <sebastian.pop@amd.com>
+
+ * graphite-sese-to-poly.c (new_pbb_from_pbb): Only copy PBB_DOMAIN
+ when it is initialized.
+
+2011-01-25 Sebastian Pop <sebastian.pop@amd.com>
+
+ * graphite-scop-detection.c (stmt_has_simple_data_refs_p): Update
+ call to graphite_find_data_references_in_stmt.
+ * graphite-sese-to-poly.c (outermost_loop_in_sese_1): New.
+ (try_generate_gimple_bb): Call outermost_loop_in_sese_1. Update
+ call to graphite_find_data_references_in_stmt.
+ (analyze_drs_in_stmts): Same.
+ * tree-data-ref.c (dr_analyze_indices): Pass in parameter the loop
+ in which the scalar analysis of indices is performed.
+ (create_data_ref): Same. Update call to dr_analyze_indices.
+ (find_data_references_in_stmt): Update call to create_data_ref.
+ (graphite_find_data_references_in_stmt): Same.
+ * tree-data-ref.h (graphite_find_data_references_in_stmt): Update
+ declaration.
+ (create_data_ref): Same.
+ * tree-ssa-loop-prefetch.c (determine_loop_nest_reuse): Update
+ call to create_data_ref.
+
+2011-01-25 Sebastian Pop <sebastian.pop@amd.com>
+
+ * graphite-sese-to-poly.c (build_poly_scop): Move
+ rewrite_commutative_reductions_out_of_ssa before
+ find_scop_parameters.
+
+2011-01-25 Sebastian Pop <sebastian.pop@amd.com>
+
+ * graphite-sese-to-poly.c (close_phi_written_to_memory): Also allow
+ VAR_DECL, PARM_DECL, and RESULT_DECL.
+
+2011-01-25 Sebastian Pop <sebastian.pop@amd.com>
+
+ * graphite-dependences.c (reduction_dr_1): Allow several reductions
+ in a reduction PBB.
+ * graphite-sese-to-poly.c (split_reduction_stmt): Do not split PBBs
+ that have already been marked as PBB_IS_REDUCTION.
+
+2011-01-25 Sebastian Pop <sebastian.pop@amd.com>
+
+ * graphite-scop-detection.c (same_close_phi_node): New.
+ (remove_duplicate_close_phi): New.
+ (make_close_phi_nodes_unique): New.
+ (canonicalize_loop_closed_ssa): Call make_close_phi_nodes_unique.
+
+2011-01-25 Sebastian Pop <sebastian.pop@amd.com>
+
+ * graphite-dependences.c (new_poly_ddr): Call same_pdr_p.
+ * graphite-poly.h (same_pdr_p): Do not expect that the PDR_TYPE
+ of both data references to be the same.
+
+2011-01-25 Sebastian Pop <sebastian.pop@amd.com>
+
+ * graphite-dependences.c (build_lexicographical_constraint): Remove the
+ gdim parameter.
+ (build_lexicographical_constraint): Adjust call to ppl_powerset_is_empty.
+ (dependence_polyhedron): Same.
+ (graphite_legal_transform_dr): Same.
+ (graphite_carried_dependence_level_k): Same.
+ * graphite-ppl.c (ppl_powerset_is_empty): Remove the nb_params parameter.
+ * graphite-ppl.h (ppl_powerset_is_empty): Adjust declaration.
+
+2011-01-25 Sebastian Pop <sebastian.pop@amd.com>
+
+ * graphite-sese-to-poly.c
+ (translate_scalar_reduction_to_array_for_stmt): Call unshare_expr.
+ (close_phi_written_to_memory): New.
+ (translate_scalar_reduction_to_array): Call close_phi_written_to_memory
+ and unshare_expr.
+
+2011-01-25 Sebastian Pop <sebastian.pop@amd.com>
+
+ * doc/install.texi: Update the expected version number of PPL to 0.11.
+ * graphite-ppl.c (ppl_powerset_is_empty): Remove now dead code under
+ #if PPL_VERSION_MINOR < 11.
+
+2011-01-25 Sebastian Pop <sebastian.pop@amd.com>
+
+ * graphite-dependences.c: Include graphite-cloog-util.h.
+ (new_poly_ddr): Inlined into dependence_polyhedron.
+ (free_poly_ddr): Moved close by new_poly_ddr.
+ (dependence_polyhedron_1): Renamed dependence_polyhedron.
+ Early return NULL when ppl_powerset_is_empty returns true.
+ (dependence_polyhedron): Renamed new_poly_ddr. Call only once
+ poly_drs_may_alias_p. Avoid one call to ppl_powerset_is_empty.
+ (graphite_legal_transform_dr): Call new_poly_ddr.
+ (graphite_carried_dependence_level_k): Same.
+ (dot_original_deps_stmt_1): Renamed dot_deps_stmt_2. Use new_poly_ddr.
+ (dot_transformed_deps_stmt_1): Removed.
+ (dot_deps_stmt_1): Call dot_deps_stmt_2.
+ (dot_original_deps): Renamed dot_deps_2. Call new_poly_ddr.
+ (dot_deps_1): Call dot_deps_2.
+ * Makefile.in (graphite-dependences.o): Add missing dependence on
+ graphite-cloog-util.h.
+
+2011-01-25 Sebastian Pop <sebastian.pop@amd.com>
+
+ * graphite-dependences.c (new_poly_dr): Call ppl_powerset_is_empty.
+ (build_lexicographical_constraint): Same.
+ (dependence_polyhedron_1): Same.
+ (graphite_legal_transform_dr): Same.
+ (graphite_carried_dependence_level_k): Same.
+ * graphite-ppl.c (ppl_powerset_is_empty): New.
+ * graphite-ppl.h (ppl_powerset_is_empty): Declared.
+ * tree-data-ref.c (dump_data_reference): Print the basic block index.
+
+2011-01-25 Sebastian Pop <sebastian.pop@amd.com>
+
+ * graphite-dependences.c (build_pairwise_scheduling): Correctly compute
+ the "a followed by b" relation and document it.
+
+2011-01-25 Sebastian Pop <sebastian.pop@amd.com>
+
+ * graphite-dependences.c (build_lexicographical_constraint): Stop the
+ iteration when the bag of constraints is empty.
+
+2011-01-25 Sebastian Pop <sebastian.pop@amd.com>
+
+ * graphite-poly.c (pbb_remove_duplicate_pdrs): Make it work.
+
+2011-01-25 Sebastian Pop <sebastian.pop@amd.com>
+
+ * graphite-interchange.c (lst_interchange_profitable_p): Takes a loop
+ nest and two loop depths as parameters.
+ (lst_try_interchange_loops): Call lst_interchange_profitable_p after
+ lst_perfect_nestify.
+
+2011-01-25 Sebastian Pop <sebastian.pop@amd.com>
+
+ * graphite-dependences.c (print_pddr): Call
+ ppl_io_fprint_Pointset_Powerset_C_Polyhedron.
+
+2011-01-25 Sebastian Pop <sebastian.pop@amd.com>
+
+ * graphite-ppl.c (debug_gmp_value): New.
+ * graphite-ppl.h (debug_gmp_value): Declared.
+
+2011-01-25 Tobias Grosser <grosser@fim.uni-passau.de>
+
+ * doc/install.texi: Document availability of cloog-0.16.
+
+2011-01-25 Vladimir Kargov <kargov@gmail.com>
+
+ * graphite-scop-detection.c (canonicalize_loop_closed_ssa): Free
+ invalid postdominance info.
+
+2011-01-24 Jan Hubicka <jh@suse.cz>
+
+ PR c/21659
+ * doc/extend.texi (weak pragma): Drop claim that it must
+ appear before definition.
+ * varasm.c (merge_weak, declare_weak): Only sanity check
+ that DECL is not output at a time it is declared weak.
+
+2011-01-24 Kenneth Zadeck <zadeck@naturalbridge.com>
+
+ * machmode.def: Fixed comments.
+
+2011-01-24 Kai Tietz <kai.tietz@onevision.com>
+
+ * emit-rtl.c (reg_attrs_htab_hash): Replace long by intptr_t.
+
+2011-01-24 Paul Koning <ni1d@arrl.net>
+
+ * builtins.c (c_readstr): Fix byte order if BYTES_BIG_ENDIAN !=
+ WORDS_BIG_ENDIAN.
+
+2011-01-24 H.J. Lu <hongjiu.lu@intel.com>
+
+ PR target/46519
+ * config/i386/i386.c: Include sbitmap.h and fibheap.h.
+ (block_info): Add scanned and prev.
+ (move_or_delete_vzeroupper_2): Return if the basic block
+ has been scanned and the upper 128bit state is unchanged
+ from the last scan.
+ (move_or_delete_vzeroupper_1): Return true if the exit
+ state is changed.
+ (move_or_delete_vzeroupper): Visit basic blocks using the
+ work-list based algorithm based on vt_find_locations in
+ var-tracking.c.
+
+ * config/i386/t-i386: Also depend on sbitmap.h and $(FIBHEAP_H).
+
+2011-01-24 Nick Clifton <nickc@redhat.com>
+
+ * config/v850/v850.opt (mv850es): New option - alias for -mv850e1.
+ * config/v850/v850.h (ASM_SPEC): If -mv850es is specified pass
+ -mv850e1 to the assembler. If -mv850e1 or -mv850es is specified
+ then define __v850e1__.
+ * doc/invoke.texi: Document -mv850es.
+
+2011-01-24 Richard Henderson <rth@redhat.com>
+
+ * config/rx/predicates.md (rx_fp_comparison_operator): Don't accept
+ compound unordered comparisons.
+ * config/rx/rx.c (rx_split_fp_compare): Remove.
+ * config/rx/rx-protos.h: Update.
+ * config/rx/rx.md (gcc_conds, rx_conds): Remove.
+ (cbranchsf4): Don't call rx_split_fp_compare.
+ (*cbranchsf4): Use rx_split_cbranch.
+ (*cmpsf): Don't accept "i" constraint.
+ (*conditional_branch): Only valid after reload.
+ (cstoresf4): Merge expander with insn. Don't call rx_split_fp_compare.
+
+2011-01-24 Michael Meissner <meissner@linux.vnet.ibm.com>
+
+ PR target/47385
+ * config/rs6000/altivec.md (vector constant splitters): Add
+ support for creating vector single precision constants if -mvsx is
+ used and we would create the constant using Altivec primitives.
+
+2011-01-23 Bernd Schmidt <bernds@codesourcery.com>
+ Richard Sandiford <rdsandiford@googlemail.com>
+
+ PR rtl-optimization/47166
+ * reload1.c (emit_reload_insns): Disable the spill_reg_store
+ mechanism for PRE_MODIFY and POST_MODIFY.
+ (inc_for_reload): For PRE_MODIFY, return the insn that sets the
+ reloadreg.
+
+2011-01-23 Andreas Schwab <schwab@linux-m68k.org>
+
+ * compare-elim.c (maybe_select_cc_mode): Add ATTRIBUTE_UNUSED markers.
+
+2011-01-22 Jan Hubicka <jh@suse.cz>
+
+ PR lto/47333
+ * lto-cgraph.c (reachable_from_this_partition_p): Fix pasto.
+
+2011-01-22 Jan Hubicka <jh@suse.cz>
+
+ PR tree-optimization/43884
+ PR lto/44334
+ * predict.c (maybe_hot_frequency_p): Use entry block frequency as base.
+ * doc/invoke.texi (hot-bb-frequency-fraction): Update docs.
+
+2011-01-22 Anatoly Sokolov <aesok@post.ru>
+
+ * config/s390/s390.h (REGISTER_MOVE_COST, MEMORY_MOVE_COST): Remove.
+ * config/s390/s390.c (s390_register_move_cost,
+ s390_memory_move_cost): New.
+ (TARGET_REGISTER_MOVE_COST, TARGET_MEMORY_MOVE_COST): Define.
+
+2011-01-22 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
+
+ PR middle-end/47401
+ * except.c (sjlj_assign_call_site_values): Move setting the
+ crtl->uses_eh_lsda flag to ...
+ (sjlj_mark_call_sites): ... here.
+ (sjlj_emit_function_enter): Support NULL dispatch label.
+ (sjlj_build_landing_pads): In a function with no landing pads
+ that still has must-not-throw regions, generate code to register
+ a personality function with empty LSDA.
+
+2011-01-21 Richard Henderson <rth@redhat.com>
+
+ * config/rx/rx.c (TARGET_FLAGS_REGNUM): New.
+
+ * config/mn10300/mn10300.c (TARGET_FLAGS_REGNUM): New.
+
+ * compare-elim.c: New file.
+ * Makefile.in (OBJS-common): Add it.
+ (compare-elim.o): New.
+ * common.opt (fcompare-elim): New.
+ * opts.c (default_options_table): Add OPT_fcompare_elim.
+ * tree-pass.h (pass_compare_elim_after_reload): New.
+ * passes.c (init_optimization_passes): Add it.
+ * recog.h: Protect against re-inclusion.
+ * target.def (TARGET_FLAGS_REGNUM): New POD hook.
+ * doc/invoke.texi (-fcompare-elim): Document it.
+ * doc/tm.texi.in (TARGET_FLAGS_REGNUM): Document it.
+ * doc/tm.texi: Rebuild.
+
+2011-01-22 Nick Clifton <nickc@redhat.com>
+
+ * config/rx/rx.md (cstoresf4): Pass comparison operator to
+ rx_split_fp_compare.
+
+2011-01-22 Nick Clifton <nickc@redhat.com>
+
+ * config/rx/rx.md (UNSPEC_CONST): New.
+ (deallocate_and_return): Wrap the amount popped off the stack in
+ an UNSPEC_CONST in order to stop it being rejected by
+ -mmax-constant-size.
+ (pop_and_return): Add a "(return)" rtx.
+ (call): Drop the immediate operand.
+ (call_internal): Likewise.
+ (call_value): Likewise.
+ (call_value_internal): Likewise.
+ (sibcall_internal): Likewise.
+ (sibcall_value_internal): Likewise.
+ (sibcall): Likewise. Generate an explicit call using
+ sibcall_internal.
+ (sibcall_value): Likewise.
+ (mov<>): FAIL if a constant operand is not legitimate.
+ (addsi3_unpsec): New pattern.
+
+ * config/rx/rx.c (rx_print_operand_address): Handle UNPSEC
+ CONSTs.
+ (ok_for_max_constant): New function.
+ (gen_safe_add): New function.
+ (rx_expand_prologue): Use gen_safe_add.
+ (rx_expand_epilogue): Likewise.
+ (rx_is_legitimate_constant): Use ok_for_max_constant. Handle
+ UNSPEC CONSTs.
+
+2011-01-21 Jeff Law <law@redhat.com>
+
+ PR tree-optimization/47053
+ * tree-ssa-dse.c (need_eh_cleanup): New bitmap.
+ (dse_optimize_stmt): Set the appropriate bit in NEED_EH_CLEANUP when
+ statements are deleted.
+ (tree_ssa_dse): Allocate & free NEED_EH_CLEANUP. If NEED_EH_CLEANUP
+ is nonempty, then purge dead edges and cleanup the CFG.
+
+2011-01-21 Alexandre Oliva <aoliva@redhat.com>
+
+ PR debug/47402
+ Temporarily revert:
+ 2011-01-21 Alexandre Oliva <aoliva@redhat.com>
+ PR debug/47106
+ * tree-dfa.c (create_var_ann): Mark variable as used.
+
+2011-01-21 Jakub Jelinek <jakub@redhat.com>
+
+ PR middle-end/45566
+ * except.c (convert_to_eh_region_ranges): Emit queued no-region
+ notes from other section in hot/cold partitioning even if
+ last_action is -3. Increment call_site_base.
+
+ PR rtl-optimization/47366
+ * fwprop.c (forward_propagate_into): Return bool. If
+ any changes are made, -fnon-call-exceptions is used and
+ REG_EH_REGION note is present, call purge_dead_edges
+ and return true if it purged anything.
+ (fwprop_addr): Adjust callers, call cleanup_cfg (0) if
+ any EH edges were purged.
+
+2011-01-21 Jeff Law <law@redhat.com>
+
+ PR rtl-optimization/41619
+ * caller-save.c (setup_save_areas): Break out code to determine
+ which hard regs are live across calls by examining the reload chains
+ so that it is always used.
+ Eliminate code which checked REG_N_CALLS_CROSSED.
+
+2011-01-21 Jakub Jelinek <jakub@redhat.com>
+
+ PR tree-optimization/47355
+ * tree-eh.c (cleanup_empty_eh_merge_phis): Give up if
+ NOP has non-debug uses beyond PHIs in new_bb.
+
+2011-01-21 Alexandre Oliva <aoliva@redhat.com>
+
+ PR debug/47106
+ * cfgexpand.c (account_used_vars_for_block): Only account vars
+ that are annotated as used.
+ (estimated_stack_frame_size): Don't set TREE_USED.
+ * tree-dfa.c (create_var_ann): Mark variable as used.
+
+2011-01-21 Richard Guenther <rguenther@suse.de>
+
+ PR middle-end/47395
+ * tree.def (WIDEN_MULT_MINUS_EXPR): Fix printed name.
+
+2011-01-21 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/47365
+ * tree-ssa-sccvn.h (vn_lookup_kind): Declare.
+ (vn_reference_lookup_pieces): Adjust.
+ (vn_reference_lookup): Likewise.
+ * tree-ssa-sccvn.c (vn_walk_kind): New static global.
+ (vn_reference_lookup_3): Only look through kills if in
+ VN_WALKREWRITE mode.
+ (vn_reference_lookup_pieces): Adjust.
+ (vn_reference_lookup): Likewise.
+ (visit_reference_op_load): Likewise.
+ (visit_reference_op_store): Likewise.
+ * tree-ssa-pre.c (phi_translate_1): Use VN_WALK mode.
+ (compute_avail): Likewise.
+ (eliminate): Likewise.
+
+2011-01-21 Jakub Jelinek <jakub@redhat.com>
+
+ * tree-ssa-live.c (remove_unused_scope_block_p): Don't remove
+ DECL_IGNORED_P non-reg vars if they are used.
+
+ PR tree-optimization/47391
+ * varpool.c (const_value_known_p): Return false if
+ decl is volatile.
+
+2011-01-21 Kai Tietz <kai.tietz@onevision.com>
+
+ PR bootstrap/47215
+ * config/i386/i386.c (ix86_local_alignment): Handle
+ case for va_list_type_node is nil.
+ (ix86_canonical_va_list_type): Likewise.
+
2011-01-21 Alan Modra <amodra@gmail.com>
* config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Add
(*movsi_internal): Use "r" instead of "dax" in constraints. Use "A"
as the source/destination of moves from/to SP.
(movsf): Only allow for AM33-2.
- (*movsf_internal): Use "r" instead of "dax"; use "F" instead of
+ (*movsf_internal): Use "r" instead of "dax"; use "F" instead of
any integer constant constraint. Only allow for AM33-2. Tidy
all of the alternative outputs.
(movdi, movdf, *am33_2_movdf, *mn10300_movdf): Remove.
2011-01-13 Andrey Belevantsev <abel@ispras.ru>
PR rtl-optimization/45352
- * sel-sched.c: Update copyright years.
+ * sel-sched.c: Update copyright years.
(reset_sched_cycles_in_current_ebb): Also recheck the DFA state
- in the advancing loop when we have issued issue_rate insns.
+ in the advancing loop when we have issued issue_rate insns.
2011-01-12 Richard Henderson <rth@redhat.com>
* opts.c (common_handle_option): Disable ipa-reference with profile
feedback.
-2011-01-12 Nicola Pero <nicola.pero@meta-innovation.com>
+2011-01-12 Nicola Pero <nicola.pero@meta-innovation.com>
* c-parser.c (c_parser_objc_at_property_declaration): Improved
error message.
2011-01-10 Jan Hubicka <jh@suse.cz>
- PR tree-optimization/47234
+ PR tree-optimization/47234
* tree-pass.h (TODO_rebuild_cgraph_edges): New TODO.
(pass_feedback_split_functions): Declare.
* passes.c (init_optimization_passes): Add ipa-split as subpass of
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