+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.
+
+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.
+ (VN_INFO_GET): Allocate new objects on the obstack.
+ (init_scc_vn): Initialize the obstack. Use XDELETE instead of free
+ for rpo_numbers_temp, for consistency.
+ (free_scc_vn): Free the obstack.
+
+2008-02-28 Sebastian Pop <sebastian.pop@amd.com>
+
+ * doc/invoke.texi: Document -ftree-loop-distribution.
+ * tree-loop-distribution.c: New.
+ * tree-pass.h (pass_loop_distribution): New.
+ * graphds.h (struct graph): Add htab_t indices.
+ * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
+ * tree-vectorizer.c (rename_variables_in_loop): Extern.
+ (slpeel_tree_duplicate_loop_to_edge_cfg): Init PENDING_STMT to NULL.
+ * tree-vectorizer.h (tree_duplicate_loop_on_edge): Declared.
+ * tree-data-ref.c (debug_data_dependence_relations): New.
+ (dump_data_dependence_relation): Also print data references.
+ (free_data_ref): Extern.
+ (same_access_functions): Moved...
+ (find_vertex_for_stmt): Renamed rdg_vertex_for_stmt.
+ (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
+ debug_rdg_component, dump_rdg, debug_rdg, dot_rdg_1, dot_rdg,
+ 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.
+ (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,
+ have_similar_memory_accesses_1, ref_base_address_1,
+ remove_similar_memory_refs): New.
+ * 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.
+ (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.
+ (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
+ debug_rdg_component, dump_rdg, debug_rdg, dot_rdg,
+ rdg_vertex_for_stmt): Declared.
+ (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_has_similar_memory_accesses): New.
+ * tree-vect-analyze.c: Remove unused static decls.
+ * lambda.h (dependence_level): New.
+ * common.opt (ftree-loop-distribution): New.
+ * tree-flow.h (mark_virtual_ops_in_bb,
+ slpeel_tree_duplicate_loop_to_edge_cfg,
+ rename_variables_in_loop): Declared.
+ * Makefile.in (TREE_DATA_REF_H): Depend on tree-chrec.h.
+ (OBJS-common): Add tree-loop-distribution.o.
+ (tree-loop-distribution.o): New rule.
+ * tree-cfg.c (mark_virtual_ops_in_bb): New.
+ (mark_virtual_ops_in_region): Use mark_virtual_ops_in_bb.
+ * passes.c (init_optimization_passes): Schedule pass_loop_distribution.
+
+2008-02-28 Joseph Myers <joseph@codesourcery.com>
+
+ PR target/33963
+ * tree.c (handle_dll_attribute): Disallow TYPE_DECLs for types
+ other than structures and unions.
+
+2008-02-28 Richard Guenther <rguenther@suse.de>
+
+ Revert:
+ 2008-02-26 Richard Guenther <rguenther@suse.de>
+
+ * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
+ * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
+ (lookup_decl_from_uid): Declare.
+ (remove_decl_from_map): Likewise.
+ * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
+ * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
+ (decl_for_uid_map): New global hashtable mapping DECL_UID
+ to the decl tree.
+ (init_ttree): Allocate it.
+ (insert_decl_to_uid_decl_map): New helper function.
+ (make_node_stat): Insert new decls into the map.
+ (copy_node_stat): Likewise.
+ (lookup_decl_from_uid): New function.
+ (remove_decl_from_map): Likewise.
+ (print_decl_for_uid_map_statistics): New helper.
+ (dump_tree_statistics): Call it.
+
+ * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
+ (referenced_var_iterator): Adjust.
+ (FOR_EACH_REFERENCED_VAR): Adjust.
+ (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
+ (num_referenced_vars): Adjust.
+ * tree-flow-inline.h (gimple_referenced_vars): Adjust.
+ (first_referenced_var): Remove.
+ (end_referenced_vars_p): Likewise.
+ (next_referenced_var): Likewise.
+ (referenced_var_iterator_set): New helper function.
+ * tree-dfa.c (referenced_var_lookup): Adjust.
+ (referenced_var_check_and_insert): Likewise.
+ (remove_referenced_var): Likewise.
+ * tree-ssa.c (verify_flow_insensitive_alias_info): Use
+ FOR_EACH_REFERENCED_VAR_IN_BITMAP.
+ (verify_call_clobbering): Likewise.
+ (verify_memory_partitions): Likewise.
+ (init_tree_ssa): Allocate bitmap instead of hashtable for
+ referenced_vars.
+ (delete_tree_ssa): Adjust.
+ * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
+ FOR_EACH_REFERENCED_VAR_IN_BITMAP.
+ (compute_tag_properties): Likewise.
+ (set_initial_properties): Likewise.
+ (find_partition_for): Likewise.
+ (update_reference_counts): Likewise.
+ (dump_may_aliases_for): Likewise.
+ * tree-ssa-operands.c (add_virtual_operand): Likewise.
+ (add_call_clobber_ops): Likewise.
+ (add_call_read_ops): Likewise.
+ (get_asm_expr_operands): Likewise.
+ * tree-into-ssa.c (dump_decl_set): Likewise.
+ (update_ssa): Likewise.
+ * tree-sra.c (scan_function): Likewise.
+ (decide_instantiations): Likewise.
+ (scalarize_parms): Likewise.
+ * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
+ (dsa_named_for): Likewise.
+ * tree-ssa-structalias.c (update_alias_info): Likewise.
+ (merge_smts_into): Likewise.
+
+2008-02-27 David Daney <ddaney@avtrex.com>
+
+ PR target/34409
+ * config/mips/iris.h (MIPS_DEBUGGING_INFO): Define.
+ * config/mips/openbsd.h (MIPS_DEBUGGING_INFO): Same.
+ * config/mips/sde.h (MIPS_DEBUGGING_INFO): Remove undef.
+ * config/mips/vxworks.h (MIPS_DEBUGGING_INFO): Same.
+ * config/mips/mips.h (MIPS_DEBUGGING_INFO): Remove define.
+
+2008-02-27 Uros Bizjak <ubizjak@gmail.com>
+
+ PR target/25477
+ * config/darwin-ppc-ldouble-patch.def (BUILT_IN_NANL): Add.
+ (BUILT_IN_NEXTTOWARD): Remove.
+ (BUILT_IN_NEXTTOWARDF): Ditto.
+ * config/darwin.c (darwin_patch_builtin): Use ACONCAT instead of
+ alloca/strcpy/strcat. Remove commented-out code. Fix whitespace.
+
+2008-02-27 Tom Tromey <tromey@redhat.com>
+
+ * tree-dump.c (dequeue_and_dump) <FUNCTION_DECL>: Check
+ DECL_SAVED_TREE, not DECL_LANG_SPECIFIC, when dumping body.
+
2008-02-27 Jan Beulich <jbeulich@novell.com>
* c-decl.c (merge_decls): Use DECL_USER_ALIGN() on olddecl to
2008-02-27 Richard Guenther <rguenther@suse.de>
- PR middle-end/25290
+ PR middle-end/35390
* fold-const.c (fold_unary): Return the correct argument,
converted to the result type.
2008-02-25 Jan Beulich <jbeulich@novell.com>
- * Makefile.in: Also prefix uses of crt0.o and mcrt0.o with
- $(T).
+ * Makefile.in: Also prefix uses of crt0.o and mcrt0.o with $(T).
* config/i386/netware-libgcc.exp: Add __bswap?i2,
__emultls_get_address, __emultls_register_common,
__floatundi?f, and _Unwind_GetIPInfo.
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