+2010-07-22 Dodji Seketeli <dodji@redhat.com>
+
+ PR debug/45024
+ * dwarf2out.c (scope_die_for): Don't fall back to the compilation
+ unit DIE if we can find the scope DIE.
+
+2010-07-22 Bernd Schmidt <bernds@codesourcery.com>
+
+ * ira-build.c (ira_create_object): New arg SUBWORD; all callers changed.
+ Initialize OBJECT_SUBWORD.
+ (ira_create_allocno): Clear ALLOCNO_NUM_OBJECTS.
+ (ira_create_allocno_objects): Renamed from ira_create_allocno_object;
+ all callers changed.
+ (merge_hard_reg_conflicts): Iterate over allocno subobjects.
+ (finish_allocno): Likewise.
+ (move_allocno_live_ranges, copy_allocno_live_ranges): Likewise.
+ (remove_low_level_allocnos): Likewise.
+ (update_bad_spill_attribute): Likewise.
+ (setup_min_max_allocno_live_range_point): Likewise.
+ (sort_conflict_id_map): Likewise.
+ (ira_flattening): Likewise. Use ior_hard_reg_conflicts.
+ (ior_hard_reg_conflicts): New function.
+ (ior_allocate_object_conflicts): Renamed first argument to OBJ.
+ (compress_conflict_vecs): Iterate over objects, not allocnos.
+ (ira_add_live_range_to_object): New function.
+ (object_range_compare_func): Renamed from allocno_range_compare_func.
+ All callers changed.
+ (setup_min_max_conflict_allocno_ids): For allocnos with multiple
+ subobjects, widen the min/max range of the lowest-order object to
+ potentially include all other such low-order objects.
+ * ira.c (ira_bad_reload_regno_1): Iterate over allocno subobjects.
+ (check_allocation): Likewise. Use more fine-grained tests for register
+ conflicts.
+ * ira-color.c (allocnos_have_intersected_live_ranges_p): Iterate over
+ allocno subobjects.
+ (assign_hard_reg): Keep multiple sets of conflicts. Make finer-grained
+ choices about which bits to set in each set. Don't use
+ ira_hard_reg_not_in_set_p, perform a more elaborate test for conflicts
+ using the multiple sets we computed.
+ (push_allocno_to_stack): Iterate over allocno subobjects.
+ (all_conflicting_hard_regs_coalesced): New static function.
+ (setup_allocno_available_regs_num): Use it.
+ (setup_allocno_left_conflicts_size): Likewise. Iterate over allocno
+ subobjects.
+ (coalesced_allocno_conflict): Test subobject 0 in each allocno.
+ (setup_allocno_priorities): Divide ALLOCNO_EXCESS_PRESSURE_POINTS_NUM
+ by ALLOCNO_NUM_OBJECTS.
+ (calculate_spill_cost): Likewise.
+ (color_pass): Express if statement in a more normal way.
+ (ira_reassign_conflict_allocnos): Iterate over allocno subobjects.
+ (slot_coalesced_allocno_live_ranges_intersect_p): Likewise.
+ (setup_slot_coalesced_allocno_live_ranges): Likewise.
+ (allocno_reload_assign): Likewise.
+ (ira_reassign_pseudos): Likewise.
+ (fast_allocation): Likewise.
+ * ira-conflicts.c (build_conflict_bit_table): Likewise.
+ (print_allocno_conflicts): Likewise.
+ (ira_build_conflicts): Likewise.
+ (allocnos_conflict_for_copy_p): Renamed from allocnos_conflict_p. All
+ callers changed. Test subword 0 of each allocno for conflicts.
+ (build_object_conflicts): Renamed from build_allocno_conflicts. All
+ callers changed. Iterate over allocno subobjects.
+ * ira-emit.c (modify_move_list): Iterate over allocno subobjects.
+ * ira-int.h (struct ira_allocno): New member. num_objects. Rename object
+ to objects and change it into an array.
+ (ALLOCNO_OBJECT): Add new argument N.
+ (ALLOCNO_NUM_OBJECTS, OBJECT_SUBWORD): New macros.
+ (ira_create_allocno_objects): Renamed from ira_create_allocno_object.
+ (ior_hard_reg_conflicts): Declare.
+ (ira_add_live_range_to_object): Declare.
+ (ira_allocno_object_iterator): New.
+ (ira_allocno_object_iter_init, ira_allocno_object_iter_cond): New.
+ (FOR_EACH_ALLOCNO_OBJECT): New macro.
+ * ira-lives.c (objects_live): Renamed from allocnos_live; all uses changed.
+ (allocnos_processed): New sparseset.
+ (make_object_born): Renamed from make_allocno_born; take an ira_object_t
+ argument. All callers changed.
+ (make_object_dead): Renamed from make_allocno_dead; take an ira_object t
+ argument. All callers changed.
+ (update_allocno_pressure_excess_length): Take an ira_obejct_t argument.
+ All callers changed.
+ (mark_pseudo_regno_live): Iterate over allocno subobjects.
+ (mark_pseudo_regno_dead): Likewise.
+ (mark_pseudo_regno_subword_live, mark_pseudo_regno_subword_dead): New
+ functions.
+ (mark_ref_live): Detect subword accesses and call
+ mark_pseudo_regno_subword_live as appropriate.
+ (mark_ref_dead): Likewise for mark_pseudo_regno_subword_dead.
+ (process_bb_nodes_live): Deal with object-related updates first; set
+ and test bits in allocnos_processed to avoid computing allocno
+ statistics more than once.
+ (create_start_finish_chains): Iterate over objects, not allocnos.
+ (print_object_live_ranges): New function.
+ (print_allocno_live_ranges): Use it.
+ (ira_create_allocno_live_ranges): Allocate and free allocnos_processed
+ and objects_live.
+
+2010-07-22 Richard Guenther <rguenther@suse.de>
+
+ PR lto/42451
+ * gimple.c (gtc_next_dfs_num): New global.
+ (struct sccs): Make value a union, add integer same_p member.
+ (gtc_visit): New function.
+ (gimple_types_compatible_p_1): New function, split out from ...
+ (gimple_types_compatible_p): ... here. Start a DFS walk here.
+ (iterative_hash_gimple_type): Adjust for sccs change.
+
+2010-07-22 Martin Jambor <mjambor@suse.cz>
+
+ PR tree-optimization/44891
+ * tree-sra.c: Include gimple-pretty-print.h.
+ (replace_uses_with_default_def_ssa_name): Renamed to
+ get_repl_default_def_ssa_name, return the new SSA name instead of
+ replacing the old one.
+ (sra_modify_assign): Dump a message when removing a load, if the LHS
+ is an SSA_NAME, do not do any propagation, just set the RHS to a
+ default definition SSA NAME, type convert if necessary.
+ * Makefile.in (tree-sra.o): Add gimple-pretty-print.h to dependencies.
+
+2010-07-22 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/45017
+ * tree-ssa-sccvn.c (vn_reference_eq): Make sure we honor
+ TYPE_PRECISION of integral types in addition to size.
+
+2010-07-22 Maxim Kuvyrkov <maxim@codesourcery.com>
+
+ * config/rs6000/sysv4.h (CHOOSE_DYNAMIC_LINKER): Default to GLIBC
+ when no C library is specified.
+
+2010-07-22 Martin Jambor <mjambor@suse.cz>
+
+ * ipa-prop.h (struct ipa_node_params): Updated comment.
+ (struct ipa_edge_args): Likewise.
+ * Makefile.in (ipa-prop.o): Remove bogus $(GIMPLE_FOLD_H) dependency.
+
+2010-07-22 Martin Jambor <mjambor@suse.cz>
+
+ * cgraphunit.c (verify_edge_count_and_frequency): New function.
+ (verify_cgraph_node): Verify frequencies of indirect edges.
+ * tree-inline.c (tree_function_versioning): Update frequencies of
+ indirect edges.
+
+2010-07-22 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
+
+ PR target/43698
+ * config/arm/arm.md: Split arm_rev into *arm_rev
+ and *thumb1_rev. Set *arm_rev to be predicable.
+
+2010-07-22 Iain Sandoe <iains@gcc.gnu.org>
+
+ * config/darwin.h (LINK_COMMAND_SPEC): Split into...
+ (LINK_COMMAND_SPEC_A): New.
+ (DSYMUTIL): New.
+ (DSYMUTIL_SPEC): New.
+ * config/darwin9.h (LINK_COMMAND_SPEC): Remove.
+ (DSYMUTIL_SPEC): Update for darwin >= 9 requirements.
+
+2010-07-22 Iain Sandoe <iains@gcc.gnu.org>
+
+ * calls.c (load_register_parameters): Move check for zero
+ sized items so that only the call to
+ mem_overlaps_already_clobbered_arg_p () is protected.
+
+2010-07-22 Jan Hubicka <jh@suse.cz>
+
+ * ipa-pure-const.c (varying_state): Break out from ...
+ (get_function_state): ... here; always return varying_state
+ when state would be NULL otherwise.
+ (remove_node_data): Do not free varying state.
+
+2010-07-22 Bernd Schmidt <bernds@codesourcery.com>
+
+ PR bootstrap/44970
+ PR middle-end/45009
+ * postreload.c: Include "target.h".
+ (reload_combine_closest_single_use): Don't take DEBUG_INSNs
+ into account.
+ (fixup_debug_insns): Don't copy the rtx.
+ (reload_combine_recognize_const_pattern): DEBUG_INSNs can't
+ have uses. Don't copy when replacing. Call fixup_debug_insns
+ in the case where we merged one add with another.
+ (reload_combine_recognize_pattern): Fail if there aren't any
+ uses. Try harder to determine whether we're picking a valid
+ index register. Don't set store_ruid for an insn we're going
+ to scan in the next iteration.
+ (reload_combine): Remove unused code.
+ (reload_combine_note_use): When updating use information for
+ an old insn, ignore a use that occurs after store_ruid.
+ * Makefile.in (postreload.o): Update dependencies.
+
+ * function.c (record_hard_reg_sets): Restrict the previous change
+ to cases where the incoming nominal mode is the same as the
+ incoming promoted mode and everything happens in MODE_INT.
+
+2010-07-21 Jakub Jelinek <jakub@redhat.com>
+
+ PR debug/45015
+ * var-tracking.c (adjust_mems): Ignore ASM_OPERANDS with non-zero
+ ASM_OPERANDS_OUTPUT_IDX.
+ (adjust_insn): For inline asm with multiple sets ensure first
+ ASM_OPERANDS vectors are used by all following ASM_OPERANDS in
+ the insn.
+
+2010-07-21 Richard Henderson <rth@redhat.com>
+
+ * config/i386/i386.c (setup_incoming_varargs_64): Emit a simple
+ comparison for avoiding xmm register saves. Emit the xmm register
+ saves explicitly.
+ * config/i386/i386.md (UNSPEC_SSE_PROLOGUE_SAVE): Remove.
+ (UNSPEC_SSE_PROLOGUE_SAVE_LOW): Remove.
+ (sse_prologue_save, sse_prologue_save_insn1, sse_prologue_save_insn):
+ Remove patterns and the associated splitters.
+
+2010-07-21 Changpeng Fang <changpeng.fang@amd.com>
+
+ * tree-ssa-loop-prefetch.c (analyze_ref): Strip off the real
+ and imagine parts of a complex, so that they can have the same
+ base and fall into the same group.
+
+2010-07-21 Richard Guenther <rguenther@suse.de>
+
+ PR lto/45018
+ * tree.c (find_decls_types_r): Do not follow TREE_CHAIN
+ of TYPE_DECLs. Do not follow TYPE_NEXT_VARIANT,
+ TYPE_NEXT_PTR_TO, nor TYPE_NEXT_REF_TO or TYPE_CANONICAL.
+
+2010-07-21 Martin Jambor <mjambor@suse.cz>
+
+ PR tree-optimization/44900
+ * tree-sra.c (load_assign_lhs_subreplacements): Updated comments.
+ (sra_modify_assign): Move gsi to the next statmenent unconditionally.
+
+2010-07-21 Bernd Schmidt <bernds@codesourcery.com>
+
+ PR middle-end/44738
+ * tree-ssa.c (warn_uninit): Avoid emitting an unnecessary message.
+
+2010-07-21 Richard Guenther <rguenther@suse.de>
+
+ PR middle-end/45013
+ * tree-ssa.c (useless_type_conversion_p): Dispatch to
+ gimple_types_compatible_p only when in lto.
+ * gimple.c (gimple_types_compatible_p): Use canonical types
+ to speed up comparison.
+
+2010-07-21 Richard Guenther <rguenther@suse.de>
+
+ * tree-flow.h (referenced_var): Move define ...
+ * tree-flow-inline.h (referenced_var): ... here as an inline
+ function. Assert here ...
+ * tree-dfa.c (referenced_var_lookup): ... instead of here.
+ * tree-ssa.c (maybe_optimize_var): Check if the variable
+ is in referenced vars.
+ (execute_update_addresses_taken): Remove old broken check.
+ * gimple-pretty-print.c (pp_points_to_solution): Use
+ referenced_var_lookup.
+ * tree-into-ssa.c (dump_decl_set): Likewise.
+
+2010-07-21 Jakub Jelinek <jakub@redhat.com>
+
+ PR debug/45003
+ * var-tracking.c (reverse_op): Also handle {SIGN,ZERO}_EXTEND of
+ a MEM.
+ * dwarf2out.c (loc_descriptor): Don't handle SIGN_EXTEND nor
+ ZERO_EXTEND here.
+
+2010-07-20 Richard Henderson <rth@redhat.com>
+
+ * vxworks.c (vxworks_emutls_var_fields): Pass locus to build_decls.
+
+2010-07-20 Bernd Schmidt <bernds@codesourcery.com>
+
+ * config/arm/arm.md (thumb1_addsi3): Add alternative and split for
+ computing the sum of the stack pointer and a large constant.
+ * config/arm/constraints.md (M): Remove superfluous parentheses.
+ (Pc): New constraint.
+
+2010-07-20 Jakub Jelinek <jakub@redhat.com>
+
+ PR debug/45006
+ * cfgexpand.c (expand_debug_expr): Only look at TYPE_UNSIGNED of
+ operand's type if exp is tcc_unary class tree.
+
+2010-07-20 Nathan Froyd <froydnj@codesourcery.com>
+
+ * config/rs6000/rs6000.md (abs<mode>2_isel, nabs<mode>2_isel):
+ Reverse sense of if_then_else condition.
+
+2010-07-20 Nathan Froyd <froydnj@codesourcery.com>
+
+ * config/rs6000/rs6000.opt (mblock-move-inline-limit): New option.
+ * config/rs6000/rs6000.c (rs6000_override_options): Set
+ rs6000_block_move_inline_limit appropriately.
+ (expand_block_move): Use rs6000_block_move_inline_limit.
+ * doc/invoke.texi (mblock-move-inline-limit): Document.
+
+2010-07-20 Bernd Schmidt <bernds@codesourcery.com>
+
+ * postreload.c (fixup_debug_insns): Remove arg REGNO. New args
+ FROM and TO. All callers changed. Don't look for tracked uses,
+ just scan the RTL for DEBUG_INSNs and substitute.
+ (reload_combine_recognize_pattern): Call fixup_debug_insns.
+ (reload_combine): Ignore DEBUG_INSNs.
+
+2010-07-20 Jakub Jelinek <jakub@redhat.com>
+
+ * var-tracking.c (vt_expand_loc, vt_expand_loc_dummy): Bump maximum
+ depth to 8 from 5.
+
+ PR debug/45003
+ * cfgexpand.c (expand_debug_expr) <case NOP_EXPR>: Use ZERO_EXTEND
+ or SIGN_EXTEND depending on TYPE_UNSIGNED of the operand's type
+ instead of the result's type.
+
+2010-07-20 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/44977
+ * tree-ssa-dom.c (propagate_rhs_into_lhs): Do not create invalid
+ SSA form.
+
+2010-07-20 Richard Guenther <rguenther@suse.de>
+
+ * lto-symtab.c (lto_symtab_merge): Use gimple_types_compatible_p.
+ (lto_symtab_merge_decls_2): Likewise.
+ * gimple.h (gimple_types_compatible_p): Declare.
+ * gimple.c (gimple_queue_type_fixup): Remove.
+ (gimple_fixup_complete_and_incomplete_subtype_p): Likewise.
+ (gimple_compatible_complete_and_incomplete_type_p): New
+ function.
+ (gimple_types_compatible_p): Adjust.
+ (gimple_register_type): Remove type fixup code.
+ (print_gimple_types_stats): Adjust.
+ (free_gimple_type_tables): Likewise.
+ * lto-streamer-in.c (input_gimple_stmt): Use gimple_types_compatible_p.
+ * tree-ssa.c (useless_type_conversion_p): Likewise.
+
+2010-07-20 Richard Guenther <rguenther@suse.de>
+
+ PR middle-end/44971
+ PR middle-end/44988
+ * tree-ssa.c (maybe_optimize_var): New function split out from ...
+ (execute_update_addresses_taken): ... here.
+ (non_rewritable_mem_ref_base): Likewise.
+ (execute_update_addresses_taken): Do not iterate over all referenced
+ vars but just all local decls and parms.
+ Properly check call and asm arguments and rewrite call arguments.
+
+2010-07-20 Maxim Kuvyrkov <maxim@codesourcery.com>
+
+ * config.gcc (LIBC_GLIBC, LIBC_UCLIBC, LIBC_BIONIC): Move constants
+ to top level.
+ * config/linux.h (LINUX_TARGET_OS_CPP_BUILTINS): Move Android-specific
+ definitions ...
+ * config/linux-android.h (ANDROID_TARGET_OS_CPP_BUILTINS): ... here.
+ New macro.
+ * config/arm/linux-eabi.h (TARGET_OS_CPP_BUILTINS): Use it.
+
+2010-07-19 Richard Sandiford <rdsandiford@googlemail.com>
+
+ * gengtype.c (start_root_entry): New function, split out from
+ write_root. Check whether V is null and raise an error if so.
+ (write_field_root): Check for V being null. Don't raise an error here;
+ set V to null instead.
+ (write_root): Update comment above function. Use start_root_entry.
+
+2010-07-19 Xinliang David Li <davidxl@google.com>
+
+ PR testsuite/44932
+ * tree-ssa-uninit.c (collect_phi_def_edges): Fix bug collecting def edges.
+ (find_uninit_use): Add dump.
+ (is_use_properly_guarded): Ditto.
+ (warn_uninitialized_phi): Ditto.
+ (execute_late_warn_uninitialized): Ditto.
+
+2010-07-19 Richard Guenther <rguenther@suse.de>
+
+ PR middle-end/44941
+ * expr.c (emit_block_move_hints): Move zero size check first.
+ Move asserts to more useful places.
+ * calls.c (load_register_parameters): Check for zero size.
+
+2010-07-19 Richard Henderson <rth@redhat.com>
+
+ * tree-optimize.c (execute_all_early_local_passes): New. Change
+ cgraph_state here ...
+ (execute_early_local_optimizations): ... not here. Remove.
+ (pass_early_local_passes, pass_all_early_optimizations): Update.
+
+2010-07-19 Bernd Schmidt <bernds@codesourcery.com>
+
+ * postreload.c (reload_combine_closest_single_use): Ignore the
+ number of uses for DEBUG_INSNs.
+ (fixup_debug_insns): New static function.
+ (reload_combine_recognize_const_pattern): Use it. Don't let the
+ main loop be affected by DEBUG_INSNs.
+ Really disallow moving adds past a jump insn.
+ (reload_combine_recognize_pattern): Don't update use_ruid here.
+ (reload_combine_note_use): Do it here.
+ (reload_combine): Use control_flow_insn_p rather than JUMP_P.
+
+2010-07-19 Bingfeng Mei <bmei@broadcom.com>
+
+ * ddg.c (create_ddg): Exclude nodes of debug_insn in counting nodes
+ of a loop.
+ * loop-doloop.c (doloop_condition_get): Skip possible debug_insn.
+
+2010-07-19 Iain Sandoe <iains@gcc.gnu.org>
+
+ * config/i386/darwin.h: Define darwin_emit_branch_islands.
+ (TARGET_MACHO_BRANCH_ISLANDS): New.
+ (FUNCTION_PROFILER): Use TARGET_MACHO_BRANCH_ISLANDS.
+ * config/i386/i386.h (TARGET_MACHO_BRANCH_ISLANDS): Define a
+ default value.
+ * config/i386/i386.c (output_pic_addr_const): Do not emit
+ branch islands unless TARGET_MACHO_BRANCH_ISLANDS is set.
+ (x86_output_mi_thunk): Adjust symbol creation.
+ * config/rs6000/darwin.h: Define darwin_emit_branch_islands.
+ Remove out of date comment.
+ * config/rs6000/rs6000.c (print_operand): Adjust symbol.
+ DARWIN_LINKER_GENERATES_ISLANDS: Remove.
+ DARWIN_GENERATE_ISLANDS: Ditto.
+ (output_call): Do not emit branch islands unless
+ darwin_emit_branch_islands is set.
+ * config/darwin.c: Declare darwin_emit_branch_islands.
+ (machopic_indirect_data_reference): Do not emit unless
+ darwin_emit_branch_islands is set.
+ (darwin_override_options): Set darwin_emit_branch_islands
+ where it is needed.
+ * config/darwin9.h
+ DARWIN_LINKER_GENERATES_ISLANDS: Remove.
+
+2010-07-19 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
+
+ * doc/sourcebuild.texi (Effective-Target Keywords): Document
+ sse_runtime, sse2_runtime.
+
+2010-07-18 Richard Sandiford <rdsandiford@googlemail.com>
+
+ * config/mips/mips.c (mips16_build_call_stub): Zero-extend the
+ low half of a single-register SCmode return value before ORing
+ it with the high half.
+ * config/mips/mips16.S (MERGE_GPRf): Likewise.
+
+2010-07-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
+
+ PR target/44805
+ * config/pa/pa.h (CONSTANT_ALIGNMENT): Align strings to BITS_PER_WORD
+ on all targets.
+
2010-07-17 Bernd Schmidt <bernds@codesourcery.com>
PR target/42235
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