OSDN Git Service

2005-07-20 Andrew Pinski <pinskia@physics.uc.edu>
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
index 21433ea..c190fdb 100644 (file)
@@ -1,5 +1,757 @@
+2005-07-20  Andrew Pinski  <pinskia@physics.uc.edu>
+
+       * c-typeck.c (output_init_element): Don't copy the INTEGER_CST.
+
+2005-07-20  James A. Morrison  <phython@gcc.gnu.org>
+
+       * tree.h (tree_expr_nonzero_p): Export.
+       * fold-const.c (tree_expr_nonzero_p): Likewise.
+       Return true for CALL_EXPRs that are alloca calls.
+       (fold_binary): Use omit_one_operand when checking EQ_EXPRs or NE_EXPRs
+       against zero.
+       * tree-flow.h (expr_computes_nonzero): Remove.
+       * tree-vrp.c (expr_computes_nonzero): Remove.
+       (vrp_expr_computes_nonzero): Use tree_expr_nonzero_p.
+       (extract_range_from_unary_expr): Likewise.
+       * tree-ssa-dom.c (record_equivalences_from_stmt): Use
+       tree_expr_nonzero_p.
+
+2005-07-20  Bernd Schmidt  <bernd.schmidt@analog.com>
+
+       * config/bfin/bfin-protos.h (legitimize_pic_address): Don't declare.
+       * config/bfin/bfin.c (legitimize_pic_address): Now static.  Take
+       extra arg "picreg" and use it instead of pic_offset_table_rtx.
+       All callers changed.
+       (frame_related_constant_load): New arg "related" which controls
+       setting of RTX_FRAME_RELATED_P.  All callers changed.
+       (bfin_load_pic_reg): New function, broken out of bfin_expand_prologue.
+       (bfin_expand_prologue): Add stack limit checking.
+       * config/bfin/bfin.md (trapifcc): New pattern.
+
+       * config/bfin/bfin.c: Include "langhooks.h".
+       (def_builtin): Go through lang_hooks to call builtin_function.
+
+       * config/bfin/bfin-protos.h (bfin_longcall_p): Declare.
+       * config/bfin/predicates.md (symbol_ref_operand): New.
+       (call_insn_operand): Delete.  All callers changed to use
+       register_no_elim_operand.
+       * config/bfin/bfin.c (init_cumulative_args): Initialize the new
+       call_cookie field.
+       (function_arg): Use it to generate the call's operand 2.
+       (bfin_longcall_p): New function.
+       (bfin_expand_call): Extra arg "cookie".  All callers and declaration
+       changed.  Emit extra USE in the pattern.  Use bfin_longcall_p to
+       determine if the address needs to be in a REG.
+       (bfin_handle_longcall_attribute): New function.
+       (bfin_attribute_table): Add "longcall" and "shortcall".
+       * config/bfin/bfin.h (CALL_NORMAL, CALL_LONG, CALL_SHORT): New macros.
+       (CUMULATIVE_ARGS): New member call_cookie.
+       (PREDICATE_CODES): Add symbol_ref_operand.
+       * config/bfin/bfin.md (call, call_value, sibcall, sibcall_value): Add
+       extra USE to the pattern.
+       (call_symbol, sibcall_symbol, call_value_symbol, sibcall_value_symbol):
+       New patterns, split off call_insn, sibcall_insn, call_value_insn and
+       sibcall_value_insn; now the new patterns handle direct calls and the
+       old ones indirect calls.
+       * doc/extend.texi: Mention Blackfin in longcall/shortcall docs.
+
+2005-07-20  Zdenek Dvorak  <dvorakz@suse.cz>
+
+       * doc/trouble.texi: Update section on handling of empty loops.
+
+2005-07-20  Kazu Hirata  <kazu@codesourcery.com>
+
+       * config.gcc: Remove support for sparc-*-openbsd*,
+       i860-*-sysv4*, ip2k-*-elf, ns32k-*-netbsdelf*,
+       ns32k-*-netbsd*.
+       * config.host: Remove support for i860-*-sysv4* as a host.
+       * config/i860/*, config/ip2k/*, config/ns32k/*,
+       config/sparc/openbsd.h, config/sparc/t-openbsd: Remove.
+       * doc/install.texi, doc/invoke.texi, doc/md.texi: Don't
+       mention obsolete ports.
+
+2005-07-20  Kaz Kojima  <kkojima@gcc.gnu.org>
+
+       * config/sh/sh.c (regno_reg_class): Add GENERAL_REGS for
+       soft frame pointer.
+       (sh_expand_prologue): Use hard_frame_pointer_rtx instead
+       of frame_pointer_rtx.
+       (sh_expand_epilogue): Likewise.
+       (sh_set_return_address): Likewise.
+       (initial_elimination_offset): Use HARD_FRAME_POINTER_REGNUM
+       instead of FRAME_POINTER_REGNUM if needed.  Add elimination
+       offsets from FRAME_POINTER_REGNUM.
+       * config/sh/sh.h (SH_REGISTER_NAMES_INITIALIZER): Add sfp.
+       (sh_register_names): Add initializer for sfp.
+       (GENERAL_OR_AP_REGISTER_P): Permit FRAME_POINTER_REGNUM.
+       (VALID_REGISTER_P): Likewise.
+       (FIRST_PSEUDO_REGISTER): Update.
+       (DWARF_FRAME_REGISTERS): Define.
+       (FIXED_REGISTERS, CALL_USED_REGISTERS): Add sfp.
+       (HARD_FRAME_POINTER_REGNUM): Define.
+       (FRAME_POINTER_REGNUM): Redefine.
+       (ELIMINABLE_REGS): Never eliminate to FRAME_POINTER_REGNUM,
+       but HARD_FRAME_POINTER_REGNUM instead.  Add eliminations
+       from FRAME_POINTER_REGNUM.
+       (CAN_ELIMINATE): Use HARD_FRAME_POINTER_REGNUM instead of
+       FRAME_POINTER_REGNUM.
+       (REG_CLASS_CONTENTS): Add sfp.
+       (REG_ALLOC_ORDER): Likewise.
+       (FRAME_GROWS_DOWNWARD): Set to 1.  Update comment.
+       (GO_IF_LEGITIMATE_ADDRESS): Use hard_frame_pointer_rtx instead
+       of frame_pointer_rtx.
+       (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
+
+2005-07-19  James A. Morrison  <phython@gcc.gnu.org>
+
+       * fold-const.c (tree_expr_nonnegative_p): Only return true for
+       ABS_EXPR when flag_wrapv is false because of INT_MIN.
+       (tree_expr_nonzero_p): Always call tree_expr_nonzero_p on the argument
+       of an ABS_EXPR.
+       (fold_unary): Always fold ABS_EXPR<ABS_EXPR<x>> into
+       ABS_EXPR<x>.
+
+2005-07-20  Giovanni Bajo  <giovannibajo@libero.it>
+
+       Make CONSTRUCTOR use VEC to store initializers.
+       * c-common.c (complete_array_type): Update to cope with VEC in
+       CONSTRUCTOR_ELTS.
+       * c-pretty-print.c (pp_c_initializer_list): Use pp_c_constructor_elts.
+       (pp_c_constructor_elts): New function.
+       * c-pretty-print.h (pp_c_constructor_elts): Declare.
+       * c-typeck.c (build_function_call, build_c_cast, digest_init,
+       struct constructor_stack, struct initializer_stack,
+       constructor_elements, push_init_level, pop_init_level,
+       add_pending_init, find_init_member, output_init_element): Update to
+       cope with VEC in CONSTRUCTOR_ELTS.
+       * coverage.c (build_fn_info_value, build_ctr_info_value,
+       build_gcov_info): Likewise.
+       * expr.c (categorize_ctor_elements_1, store_constructor,
+       expand_expr_real_1): Likewise.
+       * fold-const.c (fold_ternary): Likewise.
+       * gimplify.c (gimplify_init_ctor_preeval, zero_sized_field_decl,
+       gimplify_init_constructor, gimplify_expr): Likewise.
+       * tree-dump.c (dequeue_and_dump): Likewise.
+       * tree-inline.c (copy_tree_r): Add code to duplicate a CONSTRUCTOR
+       node.
+       * tree-pretty-print.c (dump_generic_node): Update to cope with VEC in
+       CONSTRUCTOR_ELTS.
+       * tree-sra.c (generate_element_init_1): Likewise.
+       * tree-ssa-ccp.c (fold_const_aggregate_ref): Likewise.
+       * tree-ssa-operands.c (get_expr_operands): Likewise.
+       * tree-vect-generic.c (expand_vector_piecewise): Likewise.
+       * tree-vect-transform.c (vect_get_vec_def_for_operand):
+       (get_initial_def_for_reduction): Likewise.
+       * tree-vn.c (set_value_handle, get_value_handle): CONSTURCTOR uses
+       value handle in annotations.
+       * tree.c (tree_node_kind, tree_code_size, make_node_stat,
+       tree_node_structure): Add support for constr_kind.
+       (build_vector_from_ctor, build_constructor_single,
+       build_constructor_from_list): New functions.
+       (build_constructor): Update to take a VEC instead of a TREE_LIST.
+       (simple_cst_equal, iterative_hash_expr, initializer_zerop, walk_tree):
+       Update to cope with VEC in CONSTRUCTOR_ELTS.
+       * tree.def (CONSTRUCTOR): Make it a tcc_exceptional node.
+       * tree.h (FOR_EACH_CONSTRUCTOR_VALUE, FOR_EACH_CONSTRUCTOR_ELT,
+       CONSTRUCTOR_APPEND_ELT): New macros.
+       (struct constructor_elt, struct tree_constructor): New data types.
+       (union tree_node): Add tree_constructor field.
+       * treestruct.def: Define TS_CONSTRUCTOR.
+       * varasm.c (const_hash_1, compare_constant, copy_constant,
+       compute_reloc_for_constant, output_addressed_constants,
+       initializer_constant_valid_p, output_constant,
+       array_size_for_constructor, output_constructor): Update to cope with
+       VEC in CONSTRUCTOR_ELTS.
+       * vec.h (VEC_empty, VEC_copy): New macros.
+
+2005-07-19  Devang Patel  <dpatel@apple.com>
+
+       * dbxout.c (dbxout_type): Check Objective-C++ lang.
+       
+2005-07-19  Richard Henderson  <rth@redhat.com>
+
+       PR tree-opt/22278
+       * gimplify.c (gimplify_expr): Use main variant type for the temp
+       destination for a discarded volatile read.
+       * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't elide
+       casts between non-void types that change volatility.
+
+2005-07-15  DJ Delorie  <dj@redhat.com>
+
+       * toplev.h: Add comment about the first parameter for warning().
+       * errors.h: Likewise.
+
+       * c.opt (Wpragmas): New.
+       * doc/invoke.texi: Document it.
+       
+       * function.c (do_warn_unused_parameter): Add warning control to
+       warning call.
+       * c-decl.c (warn_if_shadowing): Likewise.
+       * c-lex.c (cb_def_pragma): Likewise.
+       * c-pragma.c (GCC_BAD, GCC_BAD2): Likewise.
+       (pop_alignment): Likewise.
+       (handle_pragma_pack): Likewise.
+       (apply_pragma_weak): Likewise.
+       (handle_pragma_weak): Likewise.
+       (handle_pragma_redefine_extname): Likewise.
+       (add_to_renaming_pragma_list): Likewise.
+       (handle_pragma_extern_prefix): Likewise.
+       (maybe_apply_renaming_pragma): Likewise.
+       (handle_pragma_visibility): Likewise.
+       
+       * config/c4x/c4x-c.c (BAD): Likewise.
+       (c4x_parse_pragma): Likewise.
+       * config/ia64/ia64-c.c (ia64_hpux_handle_builtin_pragma): Likewise.
+       * config/rs6000/rs6000-c.c (SYNTAX_ERROR): Likewise.
+       (rs6000_pragma_longcall): Likewise.
+       * config/v850/v850-c.c (pop_data_area): Likewise.
+       (ghs_pragma_section): Likewise.
+       (ghs_pragma_section): Likewise.
+       (ghs_pragma_interrupt): Likewise.
+       (ghs_pragma_starttda): Likewise.
+       (ghs_pragma_startsda): Likewise.
+       (ghs_pragma_startzda): Likewise.
+       (ghs_pragma_endtda): Likewise.
+       (ghs_pragma_endsda): Likewise.
+       (ghs_pragma_endzda): Likewise.
+
+2005-07-19  Danny Berlin <dberlin@dberlin.org>
+           Kenneth Zadeck <zadeck@naturalbridge.com>
+
+       * Makefile.in: Removed tree-promote-statics.c
+       * tree-promote-statics.c: Removed.
+       * common.opt: Removed flag-promote-statics.
+       * opts.c: Ditto.
+       * passes.c: Removed tree-promote-statics pass. 
+       * tree-pass.h: Ditto.
+       * timevar.def: Removed TV_PROMOTE_STATICS.
+
+
+2005-07-19  Gerald Pfeifer  <gerald@pfeifer.com>
+
+       * config.gcc: Add support for *-*-freebsd7, *-*-freebsd8,
+       and *-*-freebsd9.
+       * config/freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS): Ditto.
+       
+2005-07-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+       PR c/22476
+       * c-common.c (check_function_arguments): Call
+       'check_function_format' if either -Wformat or
+       -Wmissing-format-attribute are specified.
+       * c-format.c (check_function_format): Check -Wformat before
+       calling 'check_format_info'.
+       * c-opts.c (c_common_post_options): Don't warn for
+       -Wmissing-format-attribute without -Wformat.
+       * c-typeck.c (convert_for_assignment): Detect additional cases for
+       -Wmissing-format-attribute.
+       * doc/invoke.texi (-Wmissing-format-attribute): Document new
+       behavior.
+
+2005-07-19  Richard Guenther  <rguenther@suse.de>
+
+       * config/i386/i386.md (lrint<mode>2): Use temporary
+       instead of clobbering non-existent memory.
+
+2005-07-19  Nick Clifton  <nickc@redhat.com>
+
+       * config/avr/avr.c (legitimate_address_p): Fix debugging print
+       statement to avoid displaying ASCII control characters.
+
+2005-07-19  Ben Elliston  <bje@au.ibm.com>
+
+       * bt-load.c (link_btr_uses): Fix uninitialised warnings.
+       * cfganal.c (find_edge_index): Ditto.
+       * combine.c (combine_instructions): Ditto.
+       * ddg.c (create_scc): Ditto.
+       (find_successors): Ditto.
+       (find_predecessors): Ditto.
+       (find_nodes_on_paths): Ditto.
+       (longest_simple_path): Ditto.
+       * flow.c (update_life_info): Ditto.
+       (count_or_remove_death_notes): Ditto.
+       (clear_log_links): Ditto.
+       * modulo-sched.c (generate_reg_moves): Ditto.
+       (find_max_asap): Ditto.
+       (find_max_hv_min_mob): Ditto.
+       (find_max_dv_min_mob): Ditto.
+       * sbitmap.c (sbitmap_first_set_bit): Ditto.
+       * sched-rgn.c (extract_edgelst): Ditto.
+       * tree-into-ssa.c (prepare_names_to_update): Ditto.
+       (dump_update_ssa): Ditto.
+       (ssa_names_to_replace) Ditto.
+       (switch_virtuals_to_full_rewrite): Ditto.
+       (update_ssa): Ditto.
+       * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
+
+2005-07-18  Daniel Berlin  <dberlin@dberlin.org>
+
+       Fix PR tree-optimization/22483
+       
+       * tree-complex.c (create_components): Use
+       safe_referenced_var_iterator and FOR_EACH_REFERENCED_VAR_SAFE.
+       * tree-flow-inline.h (fill_referenced_var_vec): New function.
+       * tree-flow.h (safe_referenced_var_iterator): New structure.
+       (FOR_EACH_REFERENCED_VAR_SAFE): New macro.
+       * tree-ssa-alias.c (setup_pointers_and_addressables): Use
+       safe_referenced_var iterator.
+       (add_type_alias): Ditto.
+
+2005-07-19  Steven Bosscher  <stevenb@suse.de>
+
+       * loop-init.c (rest_of_handle_loop2): Remove.
+       (rtl_loop_init, rtl_loop_done, rtl_move_loop_invariants,
+       rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): New functions.
+       (pass_rtl_loop_init, pass_rtl_loop_done,
+       pass_rtl_move_loop_invariants, pass_rtl_unswitch,
+       pass_rtl_unroll_and_peel_loops, pass_rtl_doloop): New passes.
+       * tree-ssa-loop.c (pass_loop, pass_loop_init, pass_loop_done,
+       pass_unswitch): Rename to pass_tree_loop, pass_tree_loop_init,
+       pass_tree_loop_done, and pass_tree_unswitch.
+       (gate_loop): Rename to gate_tree_loop.
+       * passes.c (init_optimization_passes): Update for renamed tree
+       loop passes.  Add the new loop2 passes as subpasses of loop2.
+       * tree-pass.h: Add extern declarations for the new loop2 subpasses.
+       Update for the renamed tree loop passes.
+
+2005-07-18  Ian Lance Taylor  <ian@airs.com>
+
+       PR middle-end/22057
+       * tree-cfgcleanup.c (cleanup_tree_cfg): Only remove forwarder
+       blocks when optimizing.
+
+2005-07-18  Steve Ellcey  <sje@cup.hp.com>
+
+       * common.opt (frename-registers): Initialize to 2.
+       (fweb): Ditto.
+       (fgcse-after-reload): Ditto.
+       * toplev.c (AUTODETECT_FLAG_VAR_TRACKING): Rename to AUTODETECT_VALUE.
+       (process_options): Only change flag_web, flag_rename_registers,
+       and flag_rerun_cse_after_loop if not explicitly set by user.
+
+2005-07-18  Jan Beulich  <jbeulich@novell.com>
+
+       * config/i386/i386.c (ix86_expand_branch, ix86_expand_setcc,
+       ix86_expand_carry_flag_compare, ix86_expand_int_movcc): Handle TImode
+       in 64-bit mode the same as DImode in 32-bit mode.
+       (ix86_expand_ashl_const, ix86_split_ashl, ix86_split_ashr,
+       ix86_split_lshr): Likewise. Rename to no longer refer to a specific
+       mode. Add new mode parameter. 
+       * config/i386/i386.h (CONST_OK_FOR_LETTER_P): Describe and handle 'O'.
+       * config/i386/i386.md (cmpti, addti3, subti3, negti2, ashlti3, ashrti3,
+       x86_64_shift_adj): New expanders.
+       (*addti3_1, *subti3_1, *negti2_1, ashlti3_1, *ashlti3_2, ashrti3_1,
+       *ashrti3_2, lshrti3_1, *lshrti3_2, x86_64_shld, x86_64_shrd): New
+       insns.
+       Respective new splitters. Use renamed shift splitter helpers in 32-bit
+       DImode shift splitters.
+       * config/i386/i386-protos.h (ix86_split_ashl, ix86_split_ashr,
+       ix86_split_lshr): Renamed from ix86_split_[al]sh[rl]di. Added new
+       mode parameter.
+
+2005-07-18  Jan Beulich  <jbeulich@novell.com>
+
+       * i386.md (movdi_extzv_1): New.
+       (zero_extendhidi2): Combine alternatives and never force use of
+       REX64 prefix.
+       (zero_extendqidi2): Likewise. Don't restrict input selection.
+
+2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
+
+       Fix PR tree-optimization/22531
+       * tree-ssa-pre.c (do_eustores):  Make sure LHS is a decl for the
+        moment.
+
+2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
+
+       * tree-promote-statics.c (pass_promote_statics): Change dump file
+        name.
+
+2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
+
+       * tree-optimize.c (init_tree_optimization_passes): Add
+       pass_eliminate_useless_stores pass.
+       * tree-pass.h (pass_eliminate_useless_stores): New pass structure.
+       * tree-ssa-pre.c (is_copy_stmt): New function.
+       (follow_copies_till_vuse): Ditto.
+       (do_eustores): Ditto.
+       (gate_eustores): Ditto. 
+       
+2005-07-16  Richard Henderson  <rth@redhat.com>
+
+       * gcc.c (MFWRAP_SPEC): Don't wrap pthread_join or pthread_exit.
+
+2005-07-16 Danny Berlin <dberlin@dberlin.org>
+          Kenneth Zadeck <zadeck@naturalbridge.com>
+
+       * Makefile.in: Added rules for ipa-pure-const.c, ipa-reference.c,
+       ipa-reference.h, ipa-utils.c, ipa-utils.h, ipa-type-escape.c,
+       ipa-type-escape.h, tree-promote-statics.c
+       * ipa-pure-const.c, ipa-reference.c, ipa-reference.h, ipa-utils.c,
+       ipa-utils.h, ipa-type-escape.c, ipa-type-escape.h, 
+       tree-promote-statics.c: new files.
+       * alias.c: (nonlocal_mentioned_p_1, nonlocal_mentioned_p,
+       nonlocal_referenced_p_1, nonlocal_referenced_p, nonlocal_set_p_1,
+       int nonlocal_set_p, mark_constant_function): Deleted.
+       (rest_of_handle_cfg): Removed call to mark_constant_function. 
+        (nonoverlapping_component_refs_p): Added calls to support
+       type based aliasing.    
+        * tree-ssa-alias.c (may_alias_p,
+       compute_flow_insensitive_aliasing): Ditto.
+       * calls.c (flags_from_decl_or_type): Removed reference to
+       cgraph_rtl_info. 
+       * c-typeck.c (convert_arguments): Make builtins tolerant of having
+       too many arguments.  This is necessary for Spec 2000.
+       * cgraph.h (const_function, pure_function): Removed.
+       * common.opt: Added "fipa-pure-const", "fipa-reference",  
+       "fipa-type-escape", and "ftree-promote-static".
+       * opts.c: Ditto.
+       * passes.c: Added ipa and tree-promote-statics passes. 
+       * timevar.def: Added TV_IPA_PURE_CONST, TV_IPA_REFERENCE,
+       TV_IPA_TYPE_ESCAPE, and TV_PROMOTE_STATICS.
+       * tree-dfa.c (referenced_var_lookup_if_exists): New function.
+       * tree-flow.h: Added exposed sra calls and addition of 
+       reference_vars_info field for FUNCTION_DECLS.
+       * tree-pass.h: Added passes.
+       * tree-sra.c: (sra_init_cache): New function.
+       (sra_insert_before, sra_insert_after) Made public.
+       (type_can_be_decomposed_p): Renamed from type_can_be_decomposed_p
+       and made public.
+       * tree-ssa-alias.c (dump_alias_stats): Added stats for type based
+       aliasing. (may_alias_p): Added code to use type escape analysis to
+       improve alias sets.
+       * tree-ssa-operands.c (add_call_clobber_ops): Added parameter and
+       code to prune clobbers of static variables based on information
+       produced in ipa-reference pass.  Changed call clobbering so that
+       statics are not marked as clobbered if the call does not clobber
+       them.
+
+2005-07-16  Daniel Berlin  <dberlin@dberlin.org>
+
+       * tree-ssa-structalias.c (need_to_solve): Need to check for preds,
+       too.
+
+2005-07-16  Eric Botcazou <ebotcazou@libertysurf.fr>
+
+       * doc/install.texi (*-*-solaris2*): Document recommended version
+       of GNU binutils and mention GNU linker problem on Solaris 10.
+
+2005-07-16  Joseph S. Myers  <joseph@codesourcery.com>
+
+       PR c/22421
+       * c-decl.c (c_build_bitfield_integer_type): New function.
+       (finish_struct): Call it.
+       * c-pretty-print.c (pp_c_type_specifier): Handle bit-field types.
+
+2005-07-16  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+       * c-typeck.c (digest_init): Call 'convert_for_assignment'
+       before returning.
+
+2005-07-16  Jan Hubicka  <jh@suse.cz>
+
+       * cfg.c (update_bb_profile_for_threading): Fix profile updating.
+       (scale_bbs_frequencies_int): Watch roundoff errors.
+       * predict.c (return_prediction): Initialize return_stmt.
+
+2005-07-16  Jan Hubicka  <jh@suse.cz>
+
+       * profile.c (rest_of_handle_branch_prob): Fix handling of estimation
+       after RTL profiling.
+
+2005-07-11  Andrew Pinski  <pinskia@physics.uc.edu>
+
+       PR middle-end/22398
+       * fold-const.c (build_range_check): Convert high/low to etype
+       if we are only comparing against exp.
+
+2005-07-13  Daniel Berlin  <dberlin@dberlin.org>
+
+       Fix PR tree-optimization/22376
+       * tree-ssa-structalias.c (build_constraint_graph): We really meant
+       special var here.
+       (need_to_solve): New function.
+       (compute_points_to_sets): Use it.
+       
+2005-07-15  Jan Hubicka  <jh@suse.cz>
+
+       * cfg.c (update_bb_profile_for_threading): More diagnostic.
+       * tree-ssa-threadupdate.c (redirect_edges): Update profile of dup_block.
+
+2005-07-15  Richard Guenther  <rguenther@suse.de>
+
+       * c-common.c (handle_flatten_attribute): New function.
+       Add flatten function attribute.
+       * doc/extend.texi: Document flatten function attribute.
+       * Makefile.in (ipa-inline.o): Depend on hashtab.h.
+       * ipa-inline.c (cgraph_find_cycles, cgraph_flatten_node):
+       New functions.
+       (cgraph_decide_inlining): Handle functions with flatten
+       attribute.
+
+2005-07-14  David Edelsohn  <edelsohn@gnu.org>
+
+       * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_LWSYNC,
+       UNSPEC_ISYNC, UNSPEC_SYNC_OP, UNSPEC_ATOMIC, UNSPEC_CMPXCHG,
+       UNSPEC_XCHG, UNSPEC_AND): New.
+       (UNSPECV_ATOMIC, UNSPECV_SYNC, UNSPECV_SYNC_OP, UNSPECV_CMPXCHG,
+       UNSPECV_LWSYNC, UNSPECV_ISYNC): Delete.
+       * config/rs6000/sync.md (FETCHOP): New code macro.
+       (fetchop_name, fetchop_pred, fetchopsi_constr, fetchopdi_constr):
+       New code attrs.
+       (memory_barrier, sync_internal): Use unspec instead of unspec_volatile.
+       (sync_compare_and_swap<mode>): Same.
+       (sync_lock_test_and_set<mode>): Same.
+       (sync_<fetchop><mode>, sync_nand<mode>): Only use rs6000_emit_sync
+       for QImode and HImode, and not PPC405.
+       (sync_old_<fetchop><mode>, sync_old_nand<mode>): Same.
+       (sync_new_<fetchop><mode>, sync_new_nand<mode>): Same.
+       (sync_<fetchop>{si,di}_internal): New.
+       (sync_nand{si,di}_internal): New.
+       (sync_old_<fetchop>{si,di}_internal): New.
+       (sync_old_nand{si,di}_internal): New
+       (sync_new_<fetchop>{si,di}_internal): New.
+       (sync_new_nand{si,di}_internal): New.
+       (atomic_and{si,di}): New.
+       (sync_new_nand{si,di}_internal): New.
+       (atomic_and{si,di}): New.
+       (sync_add<mode>_internal): Delete.
+       (sync_addshort_internal): Use unspec instead of unspec_volatile.
+       (sync_sub<mode>_internal): Delte.
+       (sync_subshort_internal): New.
+       (sync_andsi_internal): Use unspec instead of unspec_volatile.
+       (sync_anddi_internal): Delete.
+       (sync_boolsi_internal): Use unspec instead of unspec_volatile.
+       (sync_booldi_internal): Delete.
+       (sync_boolc<mode>_internal): Delete.
+       (sync_boolcshort_internal): Use unspec instead of unspec_volatile.
+       (sync_boolc<mode>_internal2): Delete.
+       (sync_boolcc<mode>_internal): Delete.
+       (isync, lwsync): Use unspec instead of unspec_volatile.
+       * config/rs6000/rs6000.c (rs6000_emit_sync): Implement MINUS.
+       Revert UNSPEC_VOLATILE.
+       (rs6000_split_atomic_op): New.
+       * config/rs6000/rs6000-protos.h (rs6000_split_atomic_op): Declare.
+
+2005-07-14  Eric Christopher  <echristo@redhat.com>
+
+       * config/mips/mips.c (mips_canonicalize_comparison): Cast
+       argument of trunc_int_for_mode to unsigned HOST_WIDE_INT.
+
+2005-07-14  Eric Christopher  <echristo@redhat.com>
+
+       * config/s390/t-tpf (SHLIB_MAPFILES): Remove.
+
+2005-07-14  Steven Bosscher  <stevenb@suse.de>
+
+       PR tree-optimization/22230
+       * tree-vrp.c (extract_range_from_binary_expr): Fix logics thinko in
+       the computation of the four cross productions for "range op range".
+
+2005-07-14  Alexandre Oliva  <aoliva@redhat.com>
+            Ulrich Weigand  <uweigand@de.ibm.com>
+
+       PR target/20126
+       * loop.c (loop_givs_rescan): Do not ICE if unable to reduce an IV
+       in some insn.
+
+2005-07-14  Ulrich Weigand  <uweigand@de.ibm.com>
+
+       * config/s390/s390.h (TARGET_TPF_PROFILING): Add default definition.
+
+2005-07-14  Steve Ellcey  <sje@cup.hp.com>
+
+       * config/ia64/ia64.c (ia64_output_dwarf_dtprel): Support ILP32 mode.
+
+2005-07-14  Richard Guenther  <rguenther@suse.de>
+
+       PR middle-end/22347
+       * config/i386/i386-protos.h (ix86_function_value): Change
+       prototype to match new target hook.
+       * config/i386/i386.c (ix86_value_regno): Change prototype
+       to take extra type argument.
+       (TARGET_FUNCTION_VALUE): Define.
+       (ix86_function_ok_for_sibcall): Pass extra argument to
+       ix86_value_regno, check return slot rtx for exact match.
+       (ix86_function_value): Take extra parameter.  Dispatch to
+       ix86_value_regno with fndecl/fntype as provided.
+       (ix86_value_regno): Handle extra type argument.
+       * config/i386/i386.h (FUNCTION_VALUE): No longer define.
+
+       * testsuite/gcc.target/i386/sseregparm-3.c: New testcase.
+       * testsuite/gcc.target/i386/sseregparm-4.c: New testcase.
+       * testsuite/gcc.target/i386/sseregparm-5.c: New testcase.
+       * testsuite/gcc.target/i386/sseregparm-6.c: New testcase.
+       * testsuite/gcc.target/i386/sseregparm-7.c: New testcase.
+
+2005-07-14  Richard Guenther  <rguenther@suse.de>
+
+       * Makefile.in (explow.o, reg-stack.o): Depend on target.h.
+       * calls.c (expand_call): Pass fntype to hard_function_value.
+       (emit_library_call_value_1): Likewise.
+       * explow.c: Include target.h.
+       (hard_function_value): Take extra argument, the fntype.
+       Use new target hook for function_value.
+       * expr.h (hard_function_value): Change prototype.
+       * function.c (aggregate_value_p): Pass 0 as fntype to
+       hard_function_value.
+       (assign_parms): Use new target hook for function_value.
+       Pass 0 as fntype to hard_function_value.
+       (expand_function_end): Likewise.
+       * reg-stack.c: Include target.h.
+       (stack_result): Use new target hook for function_value.
+       * target-def.h: New target hook function_value.
+       * target.h: Likewise.
+       * targhooks.c (default_function_value): New function.
+       * targhooks.h (default_function_value): Declare.
+
+2005-07-13  Ian Lance Taylor  <ian@airs.com>
+
+       * config/mips/mips.h (CLZ_DEFINED_VALUE_AT_ZERO): Define.
+
+2005-07-14  Jan Hubicka  <jh@suse.cz>
+
+       * tree-dfa.c (dump_variable): Use default_def function.
+       * tree-ssa-alias.c (dump_points_to_info): Likewise.
+       * tree-ssa.c (verify_use): Likewise.
+       * tree-ssanames.c (release_ssa_name): Likewise.
+       * tree-tailcall.c (eliminate_tail_call): Likewise.
+       (tree_optimize_tail_calls_1): Likewise.
+       * tree-vrp.c (get_value_range): Likewise.
+
+2005-07-14  Ben Elliston  <bje@au.ibm.com>
+
+       * gcc.c (main): Compare language[0] with '*' when iterating over
+       the infiles.
+
+2005-07-13  Adrian StraeĀ½tling  <straetling@de.ibm.com>
+
+       * config/s390/s390.c: (s390_cc_modes_compatible): Move before
+       "s390_emit_compare".  Add handling of CCZ1mode.
+       (s390_canonicalize_comparison): Simplify cascaded EQ, NE.
+       (390_emit_compare): Use "s390_cc_modes_compatible" for mode
+       checking.
+       (s390_branch_condition_mask): Add CCZ1mode handling.
+       * config/s390/s390.md: ("seq", "*seq"): New pattern.
+       ("sync_compare_and_swap_cc<mode>", "*sync_compare_and_swap_cc<mode>"):
+       Use CCZ1mode instead of CCZmode.
+       * config/s390/s390-modes.def: Add CCZ1mode.  Comment new mode.
+
+2006-07-13  Adrian StraeĀ½tling  <straetling@de.ibm.com>
+
+       * config/s390/s390.md: ("cmpstrsi", "*cmpstr<mode>"): New
+       pattern.
+       ("strlen<mode>", "*strlen<mode>"): Use hard reg 0 in SImode.
+
+2005-07-13  Eric Christopher  <echristo@redhat.com>
+
+       * config/mips/mips.c (mips_canonicalize_comparison): New.
+       (mips_emit_int_relational): Use.
+
+2005-07-13  Eric Christopher  <echristo@redhat.com>
+
+        * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
+        static extra parts.
+        * config/s390/s390.md: Include tpf.md. Move tpf specific
+        patterns...
+        * config/s390/tpf.md: To here.
+        * config/s390/s390.opt: Move tpf specific options...
+        * config/s390/tpf.opt: to here. Add mmain option.
+        * config/s390/tpf-unwind.h: Remove unnecessary defines.
+        * config/s390/tpf.h: Rewrite.
+
+2005-07-13  H.J. Lu  <hongjiu.lu@intel.com>
+
+       * doc/tm.texi: Remove @xref{Cross-profiling}.
+
+2005-07-13  Jeff Law  <law@redhat.com>
+
+       * fold-const.c (fold_binary): When comparing two simple ADDR_EXPR
+       expressions, test their _DECL operands for pointer equality rather
+       than using operand_equal_p.
+
+2005-07-13  H.J. Lu  <hongjiu.lu@intel.com>
+
+       * config/alpha/linux.h (TARGET_HAS_F_SETLKW): Renamed to ...
+       (TARGET_POSIX_IO): This.
+       * config/darwin.h: Likewise.
+       * config/freebsd.h: Likewise.
+       * config/linux.h: Likewise.
+       * config/lynx.h: Likewise.
+       * config/netbsd.h: Likewise.
+       * config/rs6000/linux64.h: Likewise.
+       * config/rs6000/linux.h: Likewise.
+       * config/s390/tpf.h: Likewise.
+       * config/sh/embed-elf.h: Likewise.
+       * config/sparc/linux64.h: Likewise.
+       * config/sparc/linux.h: Likewise.
+       * config/svr4.h: Likewise.
+       * gcov-io.h: Likewise.
+
+       * doc/tm.texi: Updated.
+
+       * libgcov.c (create_file_directory): Defined only if
+       TARGET_POSIX_IO is defined.
+       (gcov_exit): Call create_file_directory only if TARGET_POSIX_IO
+       is defined.
+
+2005-07-13  Jan Hubicka  <jh@suse.cz>
+
+       * tree-ssa-operands.c (get_expr_operands): Fix typo in previous patch.
+
+2005-07-13  David Edelsohn  <edelsohn@gnu.org>
+
+       * tree-ssa-dom.c (lookup_avail_expr): Do not pass member in freed
+       structure as argument.
+
+2005-07-13  Paolo Bonzini  <bonzini@gnu.org>
+
+       PR tree-optimization/21921
+       * tree-iterator.c (tsi_link_before): Support the case when
+       tsi_end_p (tsi) == true.
+
+2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
+
+       PR tree-optimization/22442
+       * tree-chrec.c (chrec_fold_multiply_poly_poly): Associate chrecs
+       correctly.
+
+2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
+
+       PR rtl-optimization/20376
+       * toplev.c (process_options): Enable -fweb and -frename-registers when
+       unrolling.
+       * doc/invoke.texi: Update the information about when -fweb and
+       -frename-registers are enabled.
+
+2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
+
+       PR tree-opt/21840
+       * tree-ssa-pre.c (eliminate): Convert the sprime to the correct type
+       if *rhs_p is not a SSA_NAME.
+
+2005-07-12  Daniel Berlin  <dberlin@dberlin.org>
+       
+       Fix PR tree-optimization/22422 
+       * tree-ssa-structalias.c (struct variable_info): Add flag for
+       special vars.
+       (get_varinfo): Now a static function.
+       (new_varinfo): init has_union and is_special_var to false.
+       (solution_set_add): Check has_union.
+       (do_da_constraint): Move temporary variable so it gets reset
+       properly.
+       Also check for special variable.
+       (do_ds_constraint): Ditto.
+       (do_sd_constraint): Ditto.
+       (do_structure_copy): Check for special variable.
+       (find_func_aliases): Ditto.
+       (init_base_vars): Set special vars properly.    
+
 2005-07-13  Jan Hubicka  <jh@suse.cz>
 
+       * cfgexpand.c (expand_one_stack_var): Do not expand variables when we
+       do unit-at-a-time.
+
        * tree-ssa-operands.c (parse_ssa_operands): Fix formatting.
        (get_expr_operands): Fix thinko wrt flags and subvars.
 
 
 2005-07-12  Eric Christopher  <echristo@redhat.com>
 
+       * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
+       static extra parts.
+       * config/s390/s390.md: Include tpf.md. Move tpf specific
+       patterns...
+       * config/s390/tpf.md: To here.
+       * config/s390/s390.opt: Move tpf specific options...
+       * config/s390/tpf.opt: to here. Add mmain option.
+       * config/s390/tpf-unwind.h: Remove unnecessary defines.
+       * config/s390/tpf.h: Rewrite.
+
+2005-07-12  Eric Christopher  <echristo@redhat.com>
+
        * gcc.c (struct infile): Update comment for language.
        (main): Rewrite input file resetting code.