+2008-03-06 Nathan Froyd <froydnj@codesourcery.com>
+
+ * dwarf2out.c (dwarf2out_frame_debug_expr): Consult the
+ dwarf_register_span hook when emitting unwind information for
+ register-to-memory saves.
+ * config/rs6000/rs6000.c (spe_synthesize_frame): Delete.
+ (rs6000_frame_related): Remove call to spe_synthesize_frame.
+
+2008-03-06 Jakub Jelinek <jakub@redhat.com>
+
+ * gimplify.c (goa_lhs_expr_p): Allow different ADDR_EXPR nodes
+ for the same VAR_DECL.
+
+2008-03-06 Tom Tromey <tromey@redhat.com>
+
+ * treelang: Delete.
+ * doc/standards.texi (Standards): Don't mention treelang.
+ * doc/invoke.texi (Overall Options): Don't mention treelang.
+ * doc/install.texi (Prerequisites): Don't mention bison or
+ treelang.
+ (Configuration): Don't mention treelang.
+ (Building): Likewise.
+ * doc/frontends.texi (G++ and GCC): Don't mention treelang.
+
+2008-03-06 Paolo Bonzini <bonzini@gnu.org>
+
+ * simplify-rtx.c (simplify_subreg): Remove useless shifts from
+ word-extractions out of a multi-word object.
+
+2008-03-06 Richard Guenther <rguenther@suse.de>
+
+ * tree.def (BIT_FIELD_REF): Constrain result type and its precision.
+ * tree-cfg.c (verify_expr): Verify BIT_FIELD_REF constraints on
+ result type and precision.
+ * expr.c (get_inner_reference): Set unsignedp based on the result
+ type of BIT_FIELD_REF.
+ * tree.h (BIT_FIELD_REF_UNSIGNED): Remove.
+ * tree-sra.c (instantiate_element): Do not set BIT_FIELD_REF_UNSIGNED.
+ (try_instantiate_multiple_fields): Likewise. Use the correct type
+ for BIT_FIELD_REF.
+ (sra_build_assignment): Likewise.
+ (sra_build_elt_assignment): Likewise.
+ (sra_explode_bitfield_assignment): Likewise.
+ * print-tree.c (print_node): Do not check BIT_FIELD_REF_UNSIGNED.
+ * tree-vect-transform.c (vect_create_epilog_for_reduction): Do not
+ set BIT_FIELD_REF_UNSIGNED.
+ (vectorizable_load): Likewise.
+
+2008-03-06 Andreas Krebbel <krebbel1@de.ibm.com>
+
+ * cse.c (cse_extended_basic_block): Invalidate artificial defs
+ at bb start.
+
+2008-03-06 Richard Guenther <rguenther@suse.de>
+
+ * alias.c (struct alias_set_entry): Move has_zero_child field
+ to pack with alias_set.
+
+2008-03-05 H.J. Lu <hongjiu.lu@intel.com>
+
+ * config/i386/i386-modes.def: Use 4 byte alignment on DI for
+ 32bit host.
+
+2008-03-05 Ian Lance Taylor <iant@google.com>
+
+ * alias.h (alias_set_type): Change from HOST_WIDE_INT to int.
+
+2008-03-05 Kenneth Zadeck <zadeck@naturalbridge.com>
+
+ * fwprop.c (update_df): Support width and offset parameters of
+ df_ref_create.
+ * ra-conflict.c (mark_reg_store, clear_reg_in_live,
+ global_conflicts): Change DF_REF_EXTRACT to either
+ DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT. Change
+ DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
+ * df-scan.c (df_ref_record, df_defs_record,
+ df_ref_create_structure, df_def_record_1, df_uses_record,
+ df_get_conditional_uses, df_get_call_refs, df_insn_refs_collect,
+ df_bb_refs_collect, df_entry_block_defs_collect,
+ df_exit_block_uses_collect): Support new width and offset fields.
+ (ref_extract_pool): New storage pool.
+ (df_free_ref): New function.
+ (df_reg_chain_unlink, df_free_collection_rec,
+ df_sort_and_compress_refs): Call df_free_ref.
+ (df_ref_equal_p, df_ref_compare): Compare offset and width fields
+ of df_ref_extract.
+ (df_ref_create_structure): Allocate df_ref_extract if offset and
+ width fields are used.
+ (df_def_record_1): Get offset and width from ZERO_EXTRACT.
+ (df_uses_record): Get offset and width from ZERO_EXTRACT
+ and SIGN_EXTRACT.
+ * global.c (build_insn_chain): Change DF_REF_EXTRACT to either
+ DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT. Change
+ DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
+ * df.h (df_ref_flags): Change DF_REF_EXTRACT to either
+ DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT. Change
+ DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
+ (df_ref_extract): New structure.
+ (DF_REF_WIDTH, DF_REF_OFFSET): New macros.
+ (df_ref_create): Add width and offset parameters.
+
+2008-03-05 Richard Guenther <rguenther@suse.de>
+
+ * tree-ssa-structalias.c (get_constraint_for_component_ref):
+ Use ranges_overlap_p.
+ (offset_overlaps_with_access): Rename
+ to ranges_overlap_p and move ...
+ * tree-flow-inline.h (ranges_overlap_p): ... here.
+
+ * tree.h (get_inner_reference, handled_component_p): Update
+ comments.
+
+ * tree.h (record_component_aliases, get_alias_set,
+ alias_sets_conflict_p, alias_sets_must_conflict_p,
+ objects_must_conflict_p): Move declarations ...
+ * alias.h (record_component_aliases, get_alias_set,
+ alias_sets_conflict_p, alias_sets_must_conflict_p,
+ objects_must_conflict_p): ... here.
+ Include coretypes.h.
+ * Makefile.in (ALIAS_H): Add coretypes.h dependency.
+
+2008-03-05 Aldy Hernandez <aldyh@redhat.com>
+
+ * cfg.c: Include tree-flow.h.
+ (remove_edge_raw): Call redirect_edge_var_map_clear.
+ (redirect_edge_succ_nodup): Call redirect_edge_var_map_dup.
+ * tree-flow-inline.h (redirect_edge_var_map_def): New.
+ (redirect_edge_var_map_result): New.
+ * tree-cfgcleanup.c (remove_forwarder_block_with_phi): Replace
+ PENDING_STMT use with redirect_edge_var_map_*.
+ * tree-ssa.c (edge_var_maps): New definition.
+ (redirect_edge_var_map_add): New.
+ (redirect_edge_var_map_clear): New.
+ (redirect_edge_var_map_dup): New.
+ (redirect_edge_var_map_vector): New.
+ (redirect_edge_var_map_destroy): New.
+ (ssa_redirect_edge): Replace PENDING_STMT use with
+ redirect_edge_var_map_*.
+ (flush_pending_stmts): Same.
+ (delete_tree_ssa): Destroy edge var map.
+ * tree-flow.h (struct _edge_var_map): New.
+ Define edge_var_map vector type.
+ Declare redirect_edge_var_map_* prototypes.
+ * Makefile.in (cfg.o): Depend on TREE_FLOW_H.
+ * tree-cfg.c (reinstall_phi_args): Replace
+ PENDING_STMT use with redirect_edge_var_map_*.
+
+2008-03-05 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/35472
+ * tree-ssa-dse.c (dse_optimize_stmt): Do not delete a store
+ whose single use_stmt has a overlapping set of loaded and
+ stored symbols as that use_stmt might be a noop assignment then.
+
+2008-03-05 Joel Sherrill <joel.sherrill@oarcorp.com>
+
+ * gthr-rtems.h: Implement __gthread_mutex_destroy.
+
+2008-03-05 Richard Guenther <rguenther@suse.de>
+
+ PR c++/35336
+ * tree.def (BIT_FIELD_REF): Document that operands 1 and 2
+ should be constants.
+ * tree-cfg.c (verify_expr): Verify it.
+ * fold-const.c (fold_truthop): Remove code generating
+ BIT_FIELD_REFs of structure bases.
+ (fold_binary): Likewise.
+ (fold_ternary): Position and size of BIT_FIELD_REFs are
+ always host integers.
+ (make_bit_field_ref): Remove.
+ (optimize_bit_field_compare): Remove.
+ (all_ones_mask_p): Remove.
+
+2008-03-05 Gabor Loki <loki@gcc.gnu.org>
+
+ PR gcc/33009
+ * rtl-factoring.c (clear_regs_live_in_seq): Fix backward steps.
+ (split_block_and_df_analyze): New. Split basic block and rebuild
+ dataflow.
+ (block_label_after): Use SPLIT_BLOCK_AND_DF_ANALYZE instead of
+ SPLIT_BLOCK.
+ (split_pattern_seq): Likewise.
+ (erase_matching_seqs): Likewise.
+ (split_pattern_seq): Skip return insn in case of REG_NORETURN note.
+
+2008-03-04 Geoff Keating <geoffk@apple.com>
+
+ * fold-const.c (tree_single_nonnegative_warnv_p): Fix mixed
+ declaration and code.
+ (tree_invalid_nonnegative_warnv_p): Likewise.
+
+2008-03-05 Serge Belyshev <belyshev@depni.sinp.msu.ru>
+
+ * doc/install.texi (Testing): Correct quoting for the RUNTESTFLAGS
+ examples. Truncate option-names then causing overfull hbox.
+
+2008-03-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
+
+ PR target/35222
+ * configure.ac (CONFIG_SJLJ_EXCEPTIONS): Force SJLJ exceptions
+ on hpux10.
+ * configure: Rebuilt.
+
+2008-03-04 Rafael Espindola <espindola@google.com>
+
+ * fold-const.c (tree_simple_nonnegative_warnv_p): New.
+ (tree_unary_nonnegative_warnv_p): New.
+ (tree_binary_nonnegative_warnv_p): New.
+ (tree_single_nonnegative_warnv_p): New.
+ (tree_invalid_nonnegative_warnv_p): New.
+ (tree_expr_nonnegative_warnv_p): Redefine in term of the new functions.
+
+2008-03-04 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
+
+ PR 28322
+ * opts.c (handle_option): Postpone 'unknown option' errors only for
+ warning options.
+
+2008-03-04 H.J. Lu <hongjiu.lu@intel.com>
+
+ PR target/35453
+ * config/i386/smmintrin.h (SIDD_XXX): Renamed to ...
+ (_SIDD_XXX): This.
+
+2008-03-04 Rafael Espindola <espindola@google.com>
+
+ * fold-const.c (tree_unary_nonzero_warnv_p): New.
+ (tree_binary_nonzero_warnv_p): New.
+ (tree_single_nonzero_warnv_p): New.
+ (tree_expr_nonzero_warnv_p): Redefine using the new functions.
+
+2008-03-04 Uros Bizjak <ubizjak@gmail.com>
+
+ PR middle-end/35456
+ * fold-const.c (fold_cond_expr_with_comparison): Prevent
+ transformations for modes that have signed zeros.
+ * ifcvt.c (noce_try_abs): Ditto.
+
+>>>>>>> .r132956
+2008-03-04 Joseph Myers <joseph@codesourcery.com>
+
+ * config/i386/i386.c (override_options): Force
+ -maccumulate-outgoing-args on if TARGET_STACK_PROBE.
+
+2008-03-04 Jan Hubicka <jh@suse.cz>
+
+ PR c++/35262
+ * ipa-inline.c (cgraph_decide_inlining_of_small_function): Fix typo
+ in last commit.
+
+2008-03-04 Danny Smith <dannysmith@users.sourceforge.net>
+
+ * config/i386/i386.md (allocate_stack_worker_32): Use __chkstk
+ label to probe the stack.
+
+2008-03-04 Danny Smith <dannysmith@users.sourceforge.net>
+
+ * gthr-win32.h [__GTHREAD_HIDE_WIN32API]
+ (__gthr_win32_mutex_destroy): Declare.
+ [__GTHREAD_HIDE_WIN32API] (__gthread_mutex_destroy): Use
+ __gthr_win32_mutex_destroy.
+ * config/i386/gthr-win32.c (__gthr_win32_mutex_destroy): Define.
+
+2008-03-03 Jan Hubicka <jh@suse.cz>
+
+ PR c++/35262
+ * ipa-inline.c (cgraph_decide_inlining_of_small_function): Be more
+ aggressive on inlining cold calls.
+
+2008-03-03 Richard Guenther <rguenther@suse.de>
+
+ * tree-ssa-sccvn.c (visit_reference_op_store): Do not insert
+ struct copies into the expression table.
+ (simplify_unary_expression): Handle VIEW_CONVERT_EXPR.
+ (try_to_simplify): Likewise.
+ * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPR of
+ integral and pointer arguments which do not change the
+ precision to NOP_EXPRs.
+ * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Adjust
+ VIEW_CONVERT_EXPR case.
+
+2008-03-02 Sebastian Pop <sebastian.pop@amd.com>
+
+ * tree-scalar-evolution.c (instantiate_parameters_1): An SSA_NAME
+ defined in a loop at depth 0 is invariant.
+ * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
+ * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Should never
+ be called at loop depth 0.
+
+2008-03-02 Jakub Jelinek <jakub@redhat.com>
+
+ PR driver/35420
+ * gcc.c (process_command): Update copyright notice dates.
+ * gcov.c (print_version): Likewise.
+ * gcov-dump.c (print_version): Likewise.
+ * mips-tfile.c (main): Likewise.
+ * mips-tdump.c (main): Likewise.
+
+2008-03-02 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
+
+ PR 24924
+ * c-common.c (flag_permissive): Delete.
+ (constant_expression_warnings): Check flags first.
+ (constant_expression_error): New.
+ * c-common.h (flag_permissive): Delete.
+ (constant_expression_error): Declare.
+ * flags.h (flag_permissive): Declare. Update description.
+ * diagnostic.c (pedwarn): Update.
+ (permerror): New.
+ * diagnostic.h: (pedantic_error_kind): Rename as pedantic_warning_kind.
+ (permissive_error_kind): New.
+ * toplev.c (flag_permissive): Define. Update description.
+ * toplev.h (permissive_error_kind): Declare.
+ * c-errors.c (pedwarn_c99): Use pedantic_warning_kind.
+ (pedwarn_c90): Use pedantic_warning_kind.
+ * c-opts.c (c_common_post_options): flag_permissive does not affect
+ flag_pedantic_errors.
+
+2008-03-02 Joseph Myers <joseph@codesourcery.com>
+
+ * libgcc2.c (__addvSI3, __addvsi3, __addvDI3, __subvSI3,
+ __subvsi3, __subvDI3, __negvSI2, __negvsi2, __negvDI2, __absvSI2,
+ __absvsi2, __absvDI2): Use unsigned arithmetic.
+
+2008-03-02 Andi Kleen <ak@suse.de>
+ Richard Guenther <rguenther@suse.de>
+
+ * struct-equiv.c: Remove file.
+ * cfg_cleanup.c (condjump_equiv_p): Remove.
+ * Makefile.in (OBJS-common): Remove struct-equiv.o.
+ (struct-equiv.o): Remove rule.
+ * basic-block.h (struct_equiv_checkpoint, STRUCT_EQUIV_*,
+ insns_match_p, struct_equiv_block_eq, struct_equiv_init,
+ rtx_equiv_p, condjump_equiv_p): Remove prototypes.
+
+2008-03-01 Alexandre Oliva <aoliva@redhat.com>
+
+ * ifcvt.c (noce_process_if_block): Try to handle only the then
+ block if the else block exists but isn't suitable.
+
+2008-03-01 Janne Blomqvist <jb@gcc.gnu.org>
+
+ PR gcc/35063
+ * gthr-posix.h (__gthread_mutex_destroy): Remove extra declarations.
+ * gthr-posix95.h (__gthread_mutex_destroy): Likewise. Note this fixes
+ regression from previous patch.
+
+2008-03-01 Janne Blomqvist <jb@gcc.gnu.org>
+
+ PR gcc/35063
+ * gthr.h: Add __gthread_mutex_destroy as a function that must be
+ implemented.
+ * gthr-vxworks.h (__gthread_mutex_destroy): Null implementation.
+ * gthr-single.h (__gthread_mutex_destroy): Likewise.
+ * gthr-rtems.h (__gthread_mutex_destroy): Likewise.
+ * gthr-mipssde.h (__gthread_mutex_destroy): Likewise.
+ * gthr-nks.h (__gthread_mutex_destroy): Likewise.
+ * gthr-solaris.h (__gthread_mutex_destroy): Call mutex_destroy.
+ * gthr-win32.h (__GTHREAD_MUTEX_DESTROY_FUNCTION): Remove.
+ (__gthread_mutex_destroy_function): Rename to
+ __gthread_mutex_destroy.
+ * gthr-dce.h (__gthread_mutex_destroy): Call
+ pthread_mutex_destroy.
+ * gthr-tpf.h (__gthread_mutex_destroy): Likewise.
+ * gthr-posix.h (__gthread_mutex_destroy): Likewise.
+ * gthr-posix95.h (__gthread_mutex_destroy): Likewise.
+
+2008-03-01 Alexandre Oliva <aoliva@redhat.com>
+
+ * df-scan.c (df_ref_chain_change_bb): Simplify.
+ (df_insn_change_bb): Add new_bb argument. Simplify. Call
+ set_block_for_insn if there's any change.
+ * df.h ((df_insn_change_bb): Fix prototype.
+ * cfgrtl.c (update_bb_for_insn_chain): Pass bb to
+ df_insn_change_bb, don't call set_block_for_insn.
+ * emit-rtl.c (reorder_insns): Likewise.
+ * haifa-sched.c (move_insn): Likewise.
+
+2008-03-01 Alexandre Oliva <aoliva@redhat.com>
+
+ * rtlanal.c (loc_mentioned_in_p): Test XVECEXPs correctly.
+
+2008-03-01 Alexandre Oliva <aoliva@redhat.com>
+
+ * tree-flow-inline.h (next_readonly_imm_use): Return
+ NULL_USE_OPERAND_P after the end.
+
+2008-03-01 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/35411
+ * tree-sra.c (sra_build_assignment): Split conversion to
+ final type to a separate statement if we are not assigning
+ to a register.
+
+2008-02-29 Francois-Xavier Coudert <coudert@clipper.ens.fr>
+
+ * fold-const.c (fold_convertible_p): Correct the logic to follow
+ that in fold_convert().
+
+2008-02-29 Douglas Gregor <doug.gregor@gmail.com>
+
+ PR c++/35315
+ * tree-inline.c (build_duplicate_type): When we make a
+ duplicate type, make it unique in the canonical types system.
+
+2008-02-29 Tom Tromey <tromey@redhat.com>
+
+ * toplev.c (input_file_stack, input_file_stack_tick, fs_p,
+ input_file_stack_history, input_file_stack_restored): Remove.
+ (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
+ * input.h (struct file_stack): Remove.
+ (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
+ (input_file_stack, input_file_stack_tick, INPUT_FILE_STACK_BITS):
+ Likewise.
+ * diagnostic.h (struct diagnostic_context) <last_module>: Change
+ type.
+ (diagnostic_last_module_changed): Add 'map' argument.
+ (diagnostic_set_last_function): Likewise.
+ * diagnostic.c (undiagnostic_report_current_module): Iterate using
+ line map, not input_file_stack.
+ * c-lex.c (fe_file_change): Don't use push_srcloc or pop_srcloc.
+
+2008-02-29 Paul Brook <paul@codesourcery.com>
+
+ * config/arm/arm.md (arm_addsi3): Add r/k/n alternative.
+
+2008-02-29 Paul Brook <paul@codesourcery.com>
+
+ * config/arm/ieee754-df.S (muldf3): Use RET macros.
+
+2008-02-29 Richard Guenther <rguenther@suse.de>
+
+ * tree-ssa-pre.c (get_sccvn_value): Create missing VNs via
+ vn_lookup_or_add.
+ * tree-ssa-sccnv.c (visit_reference_op_store): Use the rhs
+ value for comparing for a store match.
+ (simplify_unary_expression): Do nothing for SSA_NAMEs.
+ (try_to_simplify): Do not do a full-blown reference lookup.
+
+2008-02-29 Kaz Kojima <kkojima@gcc.gnu.org>
+
+ * config/sh/sh.c (sh_scalar_mode_supported_p): New function.
+ (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
+
+ * config/sh/sh.h (OVERRIDE_OPTIONS): Don't warn for profiling.
+
+2008-02-29 Sebastian Pop <sebastian.pop@amd.com>
+
+ * tree-loop-linear.c (try_interchange_loops): Compare memory access
+ strides against cache sizes.
+
+2008-02-29 Kaz Kojima <kkojima@gcc.gnu.org>
+
+ * config/sh/sh.c (sh_secondary_reload): Handle loading a float
+ constant to fpul.
+
+2008-02-28 Richard Sandiford <rsandifo@nildram.co.uk>
+
+ * simplify-rtx.c (simplify_unary_operation_1): Extend the handling
+ of SUBREG_PROMOTED_VAR_P to cope with cases where the extended value
+ is smaller than the original promoted value.
+ (simplify_subreg): If OP is a SUBREG, try to preserve its
+ SUBREG_PROMOTED_VAR_P information.
+
2008-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
* tree-ssa-sccvn (vn_ssa_aux_obstack): New obstack.
struct rdg_vertex_info, rdg_vertex_for_stmt): New.
(create_rdg_edge_for_ddr, create_rdg_vertices): Cleaned up.
(stmts_from_loop): Skip LABEL_EXPR.
- (hash_stmt_vertex_info, eq_stmt_vertex_info, hash_stmt_vertex_del): New.
+ (hash_stmt_vertex_info, eq_stmt_vertex_info, hash_stmt_vertex_del):
+ New.
(build_rdg): Initialize rdg->indices htab.
(free_rdg, stores_from_loop, ref_base_address,
rdg_defs_used_in_other_loops_p, have_similar_memory_accesses,
* tree-data-ref.h: Depend on tree-chrec.h.
(debug_data_dependence_relations, free_data_ref): Declared.
(same_access_functions): ... here.
- (ddr_is_anti_dependent, ddrs_have_anti_deps, ddr_dependence_level): New.
+ (ddr_is_anti_dependent, ddrs_have_anti_deps, ddr_dependence_level):
+ New.
(struct rdg_vertex): Add has_mem_write and has_mem_reads.
(RDGV_HAS_MEM_WRITE, RDGV_HAS_MEM_READS, RDG_STMT,
RDG_MEM_WRITE_STMT, RDG_MEM_READS_STMT): New.
(struct rdg_edge): Add level.
(RDGE_LEVEL): New.
(free_rdg, stores_from_loop, remove_similar_memory_refs,
- rdg_defs_used_in_other_loops_p, have_similar_memory_accesses): Declared.
+ rdg_defs_used_in_other_loops_p, have_similar_memory_accesses):
+ Declared.
(rdg_has_similar_memory_accesses): New.
* tree-vect-analyze.c: Remove unused static decls.
* lambda.h (dependence_level): New.
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