* config/h8300/h8300.c (F): New.

[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog

2009-10-14  DJ Delorie  <dj@redhat.com>
        
        * config/h8300/h8300.c (F): New.
        (Fpa): New.
        (h8300_emit_stack_adjustment): Call them.
        (push): Likewise.
        (h8300_push_pop): Likewise.
        (h8300_expand_prologue): Likewise.
        * config/h8300/h8300.h (DWARF2_DEBUGGING_INFO): Define.
        (MUST_USE_SJLJ_EXCEPTIONS): Define.
        (INCOMING_RETURN_ADDR_RTX): Define.
        (INCOMING_FRAME_SP_OFFSET): Define.
        (DWARF_CIE_DATA_ALIGNMENT): Define.

2009-10-14  Jakub Jelinek  <jakub@redhat.com>

        * stor-layout.c (place_field): Don't emit -Wpadded warnings for
        fields in builtin structs.
        (finalize_record_size): Likewise.

2009-10-14  Richard Guenther  <rguenther@suse.de>

        * gimple.c (gtc_ob): New global.
        (struct type_pair_d): Replace pointers with type UIDs.
        (type_pair_hash): Adjust.
        (type_pair_eq): Likewise.
        (lookup_type_pair): Likewise.  Allocate from an obstack.
        (gimple_force_type_merge): Adjust.
        (gimple_types_compatible_p): Likewise.
        (free_gimple_type_tables): Free the obstack.

2009-10-14  Jakub Jelinek  <jakub@redhat.com>

        * tree-parloops.c (separate_decls_in_region_debug_bind): Drop debug
        stmts setting DEBUG_EXPR_DECLs.

        * cfgexpand.c (expand_debug_expr): Ignore zero-length bitfields.
        Don't crash if mode1 is VOIDmode.

2009-09-26  Vladimir Makarov  <vmakarov@redhat.com>

        * params.def (PARAM_IRA_LOOP_RESERVED_REGS): New.
        * params.h (IRA_LOOP_RESERVED_REGS): New
        * tree-pass.h (pass_subregs_of_mode_init,
        pass_subregs_of_mode_finish): Remove.
        * passes.c (pass_subregs_of_mode_init,
        pass_subregs_of_mode_finish): Remove.
        (pass_reginfo_init): Move before loop optimizations.
        * config/i386/i386.h (STACK_REG_COVER_CLASS): Define.
        * common.opt (fira-loop-pressure): New.
        * toplev.h (flag_ira_loop_pressure): New.
        * rtl.h (init_subregs_of_mode, finish_subregs_of_mode): New
        externals.
        * reginfo.c (init_subregs_of_mode, finish_subregs_of_mode):
        Make external and void type functions.
        (gate_subregs_of_mode_init, pass_subregs_of_mode_init,
        pass_subregs_of_mode_finish): Remove.
        * ira-costs.c (init_costs): Call init_subregs_of_mode.
        * regmove.c: Include ira.h.
        (regmove_optimize): Call ira_set_pseudo_classes after IRA based
        register pressure calculation in loops.
        * loop-invariant.c: Include REGS_H and ira.h.
        (struct loop_data): New members max_reg_pressure, regs_ref, and
        regs_live.
        (struct invariant): New member orig_regno.
        (curr_loop): New variable.
        (find_exits): Initialize regs_ref and regs_live.
        (create_new_invariant): Initialize orig_regno.
        (get_cover_class_and_nregs): New.
        (get_inv_cost): Make aregs_needed an array.  Use regs_needed as an
        array.  Add code for flag_ira_loop_pressure.
        (gain_for_invariant): Make new_regs an array.  Add code for
        flag_ira_loop_pressure.
        (best_gain_for_invariant): Ditto.
        (set_move_mark): New parameter gain.  Use it for debugging output.
        (find_invariants_to_move): Make regs_needed and new_regs an array.
        Add code for flag_ira_loop_pressure.
        (move_invariant_reg): Set up orig_regno.
        (move_invariants): Set up reg classes for pseudos for
        flag_ira_loop_pressure.
        (free_loop_data): Clear regs_ref and regs_live.
        (curr_regs_live, curr_reg_pressure, regs_set, n_regs_set,
        get_regno_cover_class, change_pressure, mark_regno_live,
        mark_regno_death, mark_reg_store, mark_reg_clobber,
        mark_reg_death, mark_ref_regs, calculate_loop_reg_pressure): New.
        (move_loop_invariants): Calculate pressure.  Initialize curr_loop.
        * ira.c (ira): Call ira_set_pseudo_classes after IRA based
        register pressure calculation in loops if new regs were added.
        Call finish_subregs_of_mode.
        * opts.c (decode_options): Set up flag_ira_loop_pressure.
        * Makefile.in (loop-invariant.o): Add ira.h.
        (regmove.o): Ditto.
        * doc/invoke.texi (-fira-loop-pressure, ira-loop-reserved-regs):
        Describe.
        * doc/tm.texi (STACK_REG_COVER_CLASS): Describe.
        
2009-10-14  Richard Guenther  <rguenther@suse.de>

        * lto-symtab.c (lto_symtab_compatible): Fold in ...
        (lto_symtab_merge): ... here.  Rewrite both to take the
        prevailing and a to-be-merged entry and to queue diagnostics
        properly.
        (lto_symtab_resolve_replaceable_p): New predicate for
        symbol resolution.
        (lto_symtab_resolve_can_prevail_p): Likewise.
        (lto_symtab_resolve_symbols): Rewrite.  Fold in code that
        handles merging commons by choosing the largest decl.  Fold
        in code that gives ODR errors.
        (lto_symtab_merge_decls_2): Simplify a lot.  Emit queued
        diagnostics here.
        (lto_symtab_merge_decls_1): Re-structure.  Deal with the
        case of no prevailing decl here.  Diagnose mismatches
        in object types here.  Drop all but the prevailing decls.
        (lto_symtab_prevailing_decl): Return the single prevailing decl.
        * lto-streamer-in.c (lto_input_tree_ref): Deal with
        VIEW_CONVERT_EXPRs in decl slots.  Unshare the tree in this case.

2009-10-14  Richard Guenther  <rguenther@suse.de>

        PR lto/41521
        * lto-streamer-in.c (input_bb): Replace debug stmts with
        nops instead of dropping them.

2009-10-14  Nick Clifton  <nickc@redhat.com>

        * gcc/doc/extended.texi: Replace the dash character with
        @minus{} in situations where it is being used as a minus
        symbol.
        * gcc/doc/tm.texi: Likewise.
        * gcc/doc/md.texi: Likewise.

2009-10-14  Jakub Jelinek  <jakub@redhat.com>

        PR preprocessor/41543
        * input.h (BUILTINS_LOCATION): Change to 1 from 2.
        Assert BUILTINS_LOCATION < RESERVED_LOCATION_COUNT.
        * tree.c: Include intl.h.
        (expand_location): Handle BUILTINS_LOCATION.
        * Makefile.in (tree.o): Depend on intl.h.

        PR debug/41695
        * dwarf2out.c (dwarf2out_var_location): Always clear
        last_postcall_label when changing last_label.

2009-10-14  Pascal Obry  <obry@adacore.com>

        * gcc.c (DEFAULT_SWITCH_CURTAILS_COMPILATION): Add -E.
        (process_command): Handle -E as done with -c and -S.  Do not add
        the target executable suffix to the output file when -E is used.
        (main): Adjust error message accordingly.

2009-10-14  Alexandre Oliva  <aoliva@redhat.com>

        PR debug/41343
        PR debug/41447
        PR debug/41264
        PR debug/41338
        * tree.c (tree_node_structure_for_code): DEBUG_EXPR_DECL uses
        decl with rtl.
        (tree_code_size): Likewise.

2009-10-13  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * builtins.c (fold_builtin_1): Support complex "arc" functions.
        * real.h (HAVE_mpc_arc): Define.

2009-10-14  Kaz Kojima  <kkojima@gcc.gnu.org>

        * config/sh/sh.c (TARGET_BUILTIN_DECL): Define.
        (struct builtin_description): Add fndecl field.
        (bdesc): Remove const qualifier.  Update initializer.
        (sh_media_init_builtins): Remove const qualifier for d.  Record
        the result of add_builtin_function to the fndecl field.
        (sh_builtin_decl): New.
        (sh_media_builtin_decl): New.

2009-10-14  Hans-Peter Nilsson  <hp@axis.com>

        PR target/38948
        * config/cris/cris.h (SECONDARY_RELOAD_CLASS): Handle reload
        requests between special registers.

2009-10-13  Eric Botcazou  <ebotcazou@adacore.com>

        * dwarf2out.c (mem_loc_descriptor): Accept UNGT as well.

2009-10-13  Richard Henderson  <rth@redhat.com>

        PR tree-optimization/41377
        * tree-eh.c (unsplit_eh): Propagate degenerate PHIs.
        (cleanup_empty_eh_merge_phis): New change_region parameter;
        pass it on to redirect_eh_edge_1.  Update callers.
        (cleanup_empty_eh_unsplit): Don't require an existing EH label
        at the destination block.

2009-10-13  Basile Starynkevitch  <basile@starynkevitch.net>

        * passes.c (register_pass): Replaced gcc_unreachable by
        fatal_error on failure. Mentions plugins in comments & messages.

2009-10-13  Jakub Jelinek  <jakub@redhat.com>

        PR target/41693
        * rtl.h (DEBUG_EXPR_TREE_DECL): Define.
        * sched-vis.c (print_value): Use it.
        * cselib.c (cselib_hash_rtx): Likewise.
        * print-rtl.c (print_rtx): Likewise.
        * cfgexpand.c (expand_debug_rtx): Likewise.
        * var-tracking.c (vt_expand_loc_callback): Likewise.

2009-10-13  Richard Guenther  <rguenther@suse.de>

        PR lto/41565
        * opts.c (handle_option): Split out code to handle setting
        the options flag var ...
        (set_option): ... here.
        * opts.h (set_option): Declare.
        * lto-opts.c (register_user_option_p): Include -fexceptions
        and all position independent code variants.
        (handle_common_option): Remove.
        (lto_reissue_options): Use set_option.

2009-10-13  Martin Jambor  <mjambor@suse.cz>

        PR tree-optimization/41661
        * ipa-prop.c (compute_complex_pass_through): Allow only operations
        that are tcc_comparisons or do not change the type in any
        un-usleless way.
        * ipa-cp.c (ipcp_lattice_from_jfunc): Request boolean type when
        folding tcc_comparison operations.

2009-10-13  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

        * config/s390/s390.c (s390_encode_section_info): Handle BLKmode
        properly.

2009-10-12  Alexandre Oliva  <aoliva@redhat.com>

        PR debug/41343
        PR debug/41447
        PR debug/41264
        PR debug/41338
        * tree.def (DEBUG_EXPR_DECL): New.
        * rtl.def (DEBUG_EXPR): New.
        * gengtype.c (adjust_field_rtx_def): Handle it.
        * tree-ssa.c (propagate_var_def_into_debug_stmts): Rename to...
        (insert_debug_temp_for_var_def): ... this.  Drop support for
        moving.  Take iterator for def stmt; insert debug stmt before it.
        Scan early for use count and kind in debug stmts.
        (propagate_defs_into_debug_stmts): Rename to...
        (insert_debug_temps_for_defs): ... this.  Likewise.
        * tree.h (DEBUG_TEMP_UID): New.
        * tree.c (next_debug_decl_uid): New.
        (make_node_stat): Count debug decls separately.
        (copy_node_stat): Likewise.
        * cfgexpand.c (expand_debug_expr): Handle DEBUG_EXPR_DECL.
        * var-tracking.c (dv_is_decl_p): Recognize it.
        (VALUE_RECURSED_INTO): Apply to DEBUG_EXPRs too.
        (track_expr_p): Track expanded DEBUG_EXPR_DECLs.
        (vt_expand_loc_callback): Expand DEBUG_EXPRs.
        (emit_note_insn_var_location): Don't emit notes for DEBUG_EXPR_DECLs.
        * cselib.c (rtx_equal_for_cselib_p): Handle DEBUG_EXPR.
        (cselib_hash_rtx): Likewise.
        (cselib_expand_value_rtx_1): Use callback for DEBUG_EXPR.
        * tree-ssa-operands.c (get_expr_operands): Skip DEBUG_EXPR_DECLs in
        debug bind stmts.
        * emit-rtl.c (verify_rtx_sharing): Handle DEBUG_EXPR and VALUE.
        (copy_rtx_if_shared_1, reset_used_flags, set_used_flags): Likewise.
        * rtl.c (copy_rtx): Likewise.
        (rtx_equal_p_cb, rtx_equal_p): Handle DEBUG_EXPR.
        * print-rtl.c (print_rtx): Likewise.
        * sched-vis.c (print_value): Likewise.
        (print_insn): Handle DEBUG_EXPR_DECL.
        * tree-dump.c (dequeue_and_dump): Likewise.
        * tree-pretty-print.c (dump_decl_name, dump_generic_node): Likewise.
        * gimple-iterator (gsi_replace): Check for same lhs.
        (gsi_remove): Insert debug temps.
        * tree-ssa-loop-im.c (rewrite_reciprocal): Replace with same lhs.
        (move_computations_stmt): Drop explicit propagation into debug stmts.
        (rewrite_bittest): Likewise.  Use gsi_remove for propagation.
        * tree-ssa-reassoc.c (rewrite_expr_tree, linearize_expr): Likewise.
        * tree-ssa-sink.c (statement_sink_location): Likewise.
        * tree-ssa-forwprop (forward_propagate_addr_expr): Likewise.
        * tree-ssanames.c (release_ssa_name): Adjust for rename.
        * tree-flow.h: Likewise.
        * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Don't mark
        debug temps without values.
        (eliminate_unnecessary_stmts): Don't discard just-inserted
        debug stmts.

2009-10-12  Hans-Peter Nilsson  <hp@axis.com>

        PR target/26515
        * config/cris/cris.md (andu): Check that operand 1 is one of the
        general registers.  Fix typo in head comment.

2009-10-12  Stefan Dösinger  <stefan@codeweavers.com>

        * config/i386/i386.md (vswapmov): New.
        * config/i386/i386.c (ix86_handle_fndecl_attribute): New.
        (ix86_function_ms_hook_prologue): New.
        (ix86_expand_prologue): Handle ms_hook_prologue attribute.
        * configure.ac: Test for swap suffix support in as.
        * configure: Rebuild.

2009-10-12  Jakub Jelinek  <jakub@redhat.com>

        PR target/41680
        * config/i386/i386.md (split after *testqi_ext_3_rex64): Only narrow
        paradoxical subregs to prevent partial register stalls if the inner
        mode is integer mode.

2009-10-12  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.md (*setcc_<mode>_2): Remove insn pattern.

2009-10-12  Dodji Seketeli  <dodji@redhat.com>

        PR c++/41570
        * gcc/dwarf2out.c (template_parameter_pack_die,
        gen_formal_parameter_pack_die): Use add_name_and_src_coords_attributes.

2009-10-12  Alexandre Oliva  <aoliva@redhat.com>

        PR debug/41616
        * tree-into-ssa.c (insert_phi_nodes_for): Build debug bind stmts
        on updates too.
        (maybe_register_def): Likewise.  Take stmt iterator.
        (rewrite_update_stmt): Take stmt iterator and pass it on.
        (rewrite_update_enter_block): Pass stmt iterator.

2009-10-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>

        * config/spu/spu.c (TARGET_BUILTIN_DECL): Define.
        (spu_builtin_decl): New function.

2009-10-12  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.md (SWIM): New mode iterator.
        (mov<mode>cc): Macroize expander from mov{qi,hi,si,di}cc patterns
        using SWIM mode iterator.
        (x86_mov<mode>cc_0_m1): Macroize insn from x86_mov{si,di}cc_0_m1
        patterns using SWI48 mode iterator.
        (*x86_mov<mode>cc_0_m1_se):  Macroize insn from
        *x86_mov{si,di}cc_0_m1_se patterns using SWI48 mode iterator.
        (*x86_mov<mode>cc_0_m1_neg): New insn pattern.
        (*mov<mode>cc_noc): Macroize insn from *mov{hi,si,di}cc_noc
        patterns using SWI248 mode iterator.
        * config/i386/i386.c (ix86_expand_int_movcc): Update the call to
        gen_x86_movdicc_0_m1_rex64 for renamed function

2009-10-11  Jose Ruiz  <ruiz@adacore.com>
            Eric Botcazou  <ebotcazou@adacore.com>

        PR target/33743
        * config/sparc/sol2.h (MD_UNWIND_SUPPORT): Define.
        * config/sparc/sol2-unwind.h: New file.

2009-10-11  Olivier Hainque  <hainque@adacore.com>
            Eric Botcazou  <ebotcazou@adacore.com>

        PR target/33743
        * config/i386/sol2.h (MD_UNWIND_SUPPORT): Define.
        * config/i386/sol2-unwind.h: New file.

2009-10-11  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/41665
        * config/i386/i386.md (addsi_1_zext): Get the proper second
        operand for lea.

2009-10-11  Richard Sandiford  <rdsandiford@googlemail.com>

        * simplify-rtx.c (simplify_replace_rtx): Use rtx_equal_p for
        all OLD_RTXes, not just REGs.  Use copy_rtx to create the
        replacement value.

2009-10-11  Richard Guenther  <rguenther@suse.de>

        * gimple.c (iterative_hash_type_name): Do not handle special
        anonymous names.

2009-10-11  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.md (*setcc_di_1): New insn_and_split pattern.
        (*setcc_si_1_and): Ditto.
        (*setcc_si_1_movzbl): Ditto.
        (*setcc_<mode>_2): Ditto.
        (*setcc_qi): Rename from *setcc_1.
        (*setcc_qi_slp): Rename from *setcc_2.

        (*zero_extendqihi2_movzbw_and splitter): Use ix86_expand_clear.
        (*zero_extendqisi2_movzbw_and splitter): Ditto.

        * config/i386/i386.c (ix86_expand_clear): Remove reload_completed from
        "if" condition, there is already assert with reload_completed present.

2009-10-11  Gerald Pfeifer  <gerald@pfeifer.com>

        * plugin.c (try_init_one_plugin): Improve constness of variable err.

2009-10-10  Gerald Pfeifer  <gerald@pfeifer.com>

        * doc/install.texi (Final install): Refer to
        http://gcc.gnu.org/bugs/ for bug reporting.

2009-10-10  Peter Bergner  <bergner@vnet.ibm.com>

        * configure.ac: Add test for dci instruction.
        * configure: Regenerate.
        * config.in: Likewise.
        * config.gcc: Handle --with-cpu=476 and --with-cpu=476fp.
        * doc/invoke.texi: Add cpu_type 476 and 476fp.
        (-mmulhw): Add 476 to description.
        (-mdlmzb): Likewise.
        * config/rs6000/t-fprules (MULTILIB_MATCHES_FLOAT): Include -mcpu=476.
        * config/rs6000/rs6000.c (processor_costs): Add ppc476_cost.
        (processor_target_table): Add 476 and 476fp entries.
        (rs6000_override_options): Use ppc476_cost for PROCESSOR_PPC476.
        (rs6000_issue_rate): Add CPU_PPC476.
        * config/rs6000/rs6000.h (ASM_CPU_476_SPEC): Define.
        (ASM_CPU_SPEC): Pass %(asm_cpu_476) for -mcpu=476 and -mcpu=476fp.
        (processor_type): Add PROCESSOR_PPC476.
        (EXTRA_SPECS): Add asm_cpu_476 string.
        * config/rs6000/rs6000.md: (define_attr "type"): Add isel attribute.
        (define_attr "cpu"): Add ppc476.
        Include 476.md.
        Update comments for 476.
        (isel_signed, isel_unsigned): Change to use "isel" type attribute.
        * config/rs6000/vxworks.h (CPP_SPEC): Handle 464 and 476.
        Update copyright year.
        * config/rs6000/476.md: New file.
        * config/rs6000/40x.md: Add description for "isel" attribute.
        Update copyright year.
        * config/rs6000/440.md: Likewise.
        * config/rs6000/603.md: Likewise.
        * config/rs6000/6xx.md: Likewise.
        * config/rs6000/7450.md: Likewise.
        * config/rs6000/7xx.md: Likewise.
        * config/rs6000/8540.md: Likewise.
        * config/rs6000/cell.md: Likewise.
        * config/rs6000/e300c2c3.md: Likewise.
        * config/rs6000/e500mc.md: Likewise.
        * config/rs6000/mpc.md: Likewise.
        * config/rs6000/power4.md: Likewise.
        * config/rs6000/power5.md: Likewise.
        * config/rs6000/power6.md: Likewise.
        * config/rs6000/power7.md: Likewise.
        * config/rs6000/rios1.md: Likewise.
        * config/rs6000/rios2.md: Likewise.
        * config/rs6000/rs64.md: Likewise.

2009-10-10  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/41654
        * tree-ssa-ifcombine.c (ifcombine_ifandif): Properly canonicalize
        a cond expr before calling gimple_cond_set_condition_from_tree.
        (ifcombine_iforif): Likewise.

2009-10-09  Ian Lance Taylor  <iant@google.com>

        * configure.ac: Use AC_SEARCH_LIBS to find dlopen.
        * configure: Rebuild.

2009-10-09  Neil Vachharajani <nvachhar@google.com>

        * doc/cpp.texi (Other Directives): Do not list #ident and #sccs as
        deprecated.

2009-10-09  Richard Guenther  <rguenther@suse.de>

        PR lto/41638
        * target-def.h (TARGET_BUILTIN_DECL): Define.
        (TARGET_INITIALIZER): Add TARGET_BUILTIN_DECL.
        * target.h (struct gcc_target): Add builtin_decl target hook.
        * doc/tm.texi (TARGET_BUILTIN_DECL): Document.
        * lto-streamer-in.c (lto_get_builtin_tree): Fix handling of
        target builtins.
        * lto-streamer-out.c (lto_output_tree_pointers): Use sorry,
        not gcc_unreachable.
        (lto_output_builtin_tree): Sorry if the target does not support
        streaming target builtins.
        * config/rs6000/rs6000.c (TARGET_BUILTIN_DECL): Define.
        (rs6000_builtin_decl): New function.
        * config/i386/i386.c (TARGET_BUILTIN_DECL): Define.
        (ix86_builtin_decl): New function.

2009-10-09  Jakub Jelinek  <jakub@redhat.com>

        PR preprocessor/41445
        * c-ppoutput.c (do_line_change): New function.
        (cb_line_change): Use it.
        (scan_translation_unit): Call do_line_change if
        avoid_paste or PREV_WHITE and token location is on a different line
        than print.src_line.

        PR debug/40521
        * dwarf2out.c (dwarf2out_init): Test whether
        HAVE_GAS_CFI_SECTIONS_DIRECTIVE is non-zero instead of checking
        it is defined.

        PR rtl-optimization/41646
        * calls.c (expand_call): For BLKmode types returned in registers
        avoid likely spilled hard regs in copy_blkmode_from_reg generated
        insns.

2009-10-09  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/41634
        * tree-ssa-dom.c (remove_local_expressions_from_table): Assert
        we remove the correct elements.
        (optimize_stmt): Make sure to update stmt operands before
        optimizing redundancies.

2009-10-09  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

        * config/s390/s390.md ("prefetch"): Remove stcmh for prefetching.

2009-10-09  Richard Guenther  <rguenther@suse.de>

        PR driver/41637
        * lto-wrapper.c (ltrans_output_file, flto_out, args_name): New
        globals.
        (lto_wrapper_exit): New function.
        (fatal): Use it.
        (fatal_perror): Likewise.
        (fork_execute): Use global args_name, do not free it.
        (run_gcc): Use global ltrans_output_file, flto_out, do not free them.
        * lto-streamer.h: Remove duplicate prototypes.

2009-10-09  Richard Guenther  <rguenther@suse.de>

        * cgraph.c (cgraph_create_edge): Check for NULL call_stmt
        before calling stmt_can_throw_external.

2009-10-09  Eric Botcazou  <ebotcazou@adacore.com>

        PR tree-optimization/40071
        * tree-vect-data-refs.c (vect_create_data_ref_ptr): Build a ref-all
        pointer if the original data reference doesn't conflict with the
        created vector data reference.  Fix long line.

2009-10-09  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.md (any_div): New code iterator.
        (u): Handle div and udiv.
        (sgnprefix): Ditto.
        (<u>divqi3): Macroize insn from {,u}divqi3  using any_div
        code iterator.
        (lfloor<MODEF:mode><SWI48:mode>2): Macroize insn from
        lfloor<mode>{si,di}2 patterns using SWI48 mode iterator.
        (lceil<MODEF:mode><SWI48:mode>2): Macroize insn from
        lceil<mode>{si,di}2 patterns using SWI48 mode iterator.

2009-10-08  Joseph Myers  <joseph@codesourcery.com>

        * gcc.c (main): Remove trailing "." from diagnostics.

2009-10-08  Cary Coutant  <ccoutant@google.com>

        Add support for debugging with ICF (Identical Code Folding).
        * calls.c (debug.h): New #include.
        (emit_call_1): Call virtual_call_token debug hook.
        * common.opt (-fenable-icf-debug): New option.
        * dwarf2out.c (dwarf2_debug_hooks): Add entries for new hooks (two
        locations in the source).
        (poc_label_num): New variable.
        (dcall_entry, vcall_entry): New typedefs.
        (dcall_table, vcall_table): New variables.
        (struct vcall_insn): New type.
        (vcall_insn_table): New variable.
        (DEBUG_DCALL_SECTION, DEBUG_VCALL_SECTION): New macros.
        (size_of_dcall_table): New function.
        (output_dcall_table): New function.
        (size_of_vcall_table): New function.
        (output_vcall_table): New function.
        (dwarf2out_direct_call): New function.
        (vcall_insn_table_hash): New function.
        (vcall_insn_table_eq): New function.
        (dwarf2out_virtual_call_token): New function.
        (dwarf2out_virtual_call): New function.
        (dwarf2out_init): Allocate new tables and sections.
        (prune_unused_types): Mark DIEs referenced from direct call table.
        (dwarf2out_finish): Output direct and virtual call tables.
        * final.c (final_scan_insn): Call direct_call and virtual_call
        debug hooks.
        * debug.h (struct gcc_debug_hooks): Add direct_call,
        virtual_call_token, virtual_call hooks.
        (debug_nothing_uid): New function.
        * debug.c (do_nothing_debug_hooks): Add dummy entries for new hooks.
        (debug_nothing_uid): New function.
        * dbxout.c (dbx_debug_hooks): Add dummy entries for new hooks.
        (xcoff_debug_hooks): Likewise.
        * sdbout.c (sdb_debug_hooks): Likewise.
        * vmsdbgout.c (vmsdbg_debug_hooks): Likewise.
        * doc/invoke.texi (-fenable-icf-debug): New option.

2009-10-08  Alexandre Oliva  <aoliva@redhat.com>

        PR debug/41353
        * regmove.c (regmove_backward_pass): Replace src with dst in the
        debug insn, and check for dst before rather than after.

2009-10-08  Janis Johnson <janis187@us.ibm.com>

        * config/rs6000/rs6000.c (rs6000_delegitimize_address): Remove.
        (TARGET_DELEGITIMIZE_ADDRESS): Likewise.

2009-10-08  Jan Hubicka  <jh@suse.cz>

        PR middle-end/41626
        * cgraphbuild.c (record_reference): When parameter DATA is NULL,
        do not mark cgraph nodes as needed.
        (record_references_in_initializer): Add new only_vars parameter.
        * cgraph.h (record_references_in_initializer): New parameter.
        * varasm.c (assemble_variable): Update call.
        * varpool.c (varpool_analyze_pending_decls): Always look for
        referenced vars.

2009-10-08  Anatoly Sokolov  <aesok@post.ru>

        * config/avr/avr.c (last_insn_address) Remove variable.
        (expand_prologue): Don't initialise last_insn_address variable.
        (final_prescan_insn): Don't output insn size.
        * config/avr/avr.opt (msize): Remove switch.
        * doc/invoke.texi (AVR Options): Remove documentation of -msize
        switch.

2009-10-08  Adam Nemet  <anemet@caviumnetworks.com>

        * combine.c (label_tick_ebb_start): Fix comment.
        (combine_instructions): Set label_tick and label_tick_ebb_start before
        calling setup_incoming_promotions.  Start them from 1.  Increment
        label_tick instead of deriving it from the BB index.  Rather than
        comparing ticks use the block from the previous iteration to decide
        whether to start a new EBB.  Remove empty lines before function.

2009-10-08  Michael Matz  <matz@suse.de>

        PR middle-end/41573
        * builtins.c (fold_builtin_isascii): Use fold_build2.
        (fold_builtin_isdigit): Ditto.
        * except.c (duplicate_eh_regions_1): Tolerate NULL labels.
        * tree-cfg.c (struct rus_data, remove_useless_stmts_warn_notreached,
        remove_useless_stmts_cond, remove_useless_stmts_tf,
        remove_useless_stmts_tc, remove_useless_stmts_bind,
        remove_useless_stmts_goto, remove_useless_stmts_label,
        remove_useless_stmts_1, remove_useless_stmts,
        pass_remove_useless_stmts): Remove.
        * tree-pass.h (pass_remove_useless_stmts): Don't declare.
        * passes.c (init_optimization_passes): Don't add
        pass_remove_useless_stmts.
        * tree-eh.c (lower_eh_constructs_2): Handle empty cleanups.
        * tree.c (free_lang_data_in_decl): Don't clear DECL_INITIAL of
        static constants.
        * lto-symtab.c (lto_symtab_register_decl): Accepts DECL_INITIAL
        for static constants.
        * lto-streamer-out.c (output_gimple_stmt): Handle GIMPLE_NOP.
        * lto-streamer-in.c (input_gimple_stmt): Handle GIMPLE_NOP.

2009-10-08  Richard Guenther  <rguenther@suse.de>

        * gimple.c (free_gimple_type_tables): New function.
        * gimple.h (free_gimple_type_tables): Declare.

2009-10-07  Mark Heffernan  <meheff@google.com>

        * ipa-prop.c (ipa_print_node_params) Only print
        names of named arguments.

2009-10-08  Rafael Avila de Espindola  <espindola@google.com>

        * gcc.c (LINK_COMMAND_SPEC): Pass libc with -pass-through if it is
        being statically linked.

2009-10-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        * collect2.c (add_lto_object): Only define if OBJECT_FORMAT_NONE.

2009-10-08  Jan Hubicka  <jh@suse.cz>

        PR bootstrap/41620
        * ipa.c (cgraph_externally_visible_p,
        function_and_variable_visibility,
        whole_program_function_and_variable_visibility): Skip non-finalized
        nodes.

2009-10-08  Nick Clifton  <nickc@redhat.com>

        * config/mn10300/mn10300.h (CONSTANT_ADDRESS_P): Do not allow
        CONST_DOUBLEs.

2009-10-08  Andreas Tobler  <a.tobler@schweiz.org>

        PR bootstrap/37739
        * config.host: Use config/x-cflags-O1 for powerpc FreeBSD.

2009-10-07  Joseph Myers  <joseph@codesourcery.com>

        PR c/41182
        * c-common.c (c_fully_fold_internal): Strip nops from the result
        of recursive calls to c_fully_fold_internal.
        (c_wrap_maybe_const): New.
        (c_save_expr): Use c_wrap_maybe_const.
        * c-common.h (c_wrap_maybe_const): Declare.
        * c-typeck.c (build_conditional_expr, c_finish_stmt_expr,
        build_binary_op): Use c_wrap_maybe_const.

2009-10-07  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * real.c: Fix comment to reflect actual exponent size.

2009-10-08  Ben Elliston  <bje@au.ibm.com>

        * config/rs6000/a2.md: Add FSF comment header.

2009-10-07  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.md (any_extend): New code iterator.
        (u, s): New code attributes.
        (sgnprefix): Ditto.
        (DWIH): Rewrite as code iterator for SI and DI modes.
        (DWI): Rewrite as mode attribute.
        (dwi): New mode attribute.
        (di): Depend on SI mode and DI mode.
        (doubleint_general_operand): Remove mode attribute.

        (*lea_1): Macroize insn from *lea_1_rex64 and *lea_1 patterns using
        DWIH mode iterator.

        (*add<mode>3_doubleword): Use DWIH as the base mode iterator.
        (*sub<mode>3_doubleword): Ditto.

        (mul<mode>3): Macroize expander from mul{hi,si,di}3 patterns
        using SWIM248 mode iterator.
        (*mul<mode>3_1): Macroize insn from mul{si,di}3_1 patterns
        using SWI48 mode iterator.
        (<u>mul<mode><dwi>3): Macroize expander from {,u}mul{sidi,diti}3
        patterns using DWIH mode iterator and any_extend code iterator.
        (<u>mulqihi3): Macroize expander from {,u}mulqihi3 patterns
        using any_extend code iterator.
        (*<u>mul<mode><dwi>3_1): Macroize insn from {,u}mul{sidi,diti}3_1
        patterns using DWIH mode iterator and any_extend code iterator.
        (*<u>mulqihi3_1): Macroize insn from {,u}mulqihi3_1 patterns
        using any_extend code iterator.
        (<s>mul<mode>3_highpart): Macroize expander from
        {s,u}mul{si,di}3_highpart patterns using DWIH mode iterator
        and any_extend code iterator.
        (*<s>muldi3_highpart_1): Macroize insn from
        *{s,u}muldi3_highpart_rex64 patterns using any_extend code iterator.
        (*<s>mulsi3_highpart_1): Macroize insn from *{s,u}mulsi3_highpart_1
        patterns using any_extend code iterator.
        (*<s>mulsi3_highpart_zext): Macroize insn from
        *{s,u}mulsi3_highpart_zext patterns using any_extend code iterator.

2009-10-07  Jakub Jelinek  <jakub@redhat.com>

        * dwarf2out.c (tree_add_const_value_attribute_for_decl): Don't add
        DW_AT_const_value if VAR_DIE already has DW_AT_abstract_origin
        refering to a DIE with DW_AT_const_value.

2009-10-07  Vladimir Makarov  <vmakarov@redhat.com>

        PR middle-end/22072
        * ira-lives.c (check_and_make_def_conflict): Process all operands.

2009-10-06  Jan Hubicka  <jh@suse.cz>

        * cgraph.c (cgraph_node_can_be_local): Handle externally visible nodes
        correctly.

2009-10-06  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.md (*lea_1_rex64, *lea_1, *lea_1_zext,
        *lea_2_rex64): Move before *add<mode>_1 pattern.

2009-10-07  Jan Hubicka  <jh@suse.cz>

        * collect2.c (main): Add -fno-whole-program.
        * gcc.c (set_collect_gcc_options): Do not remove whole program here.

2009-10-07  Jan Hubicka  <jh@suse.cz>

        * lto-symtab.c (lto_cgraph_replace_node): Assert that inline clones
        has no address taken.
        * cgraph.c (cgraph_mark_needed_node): Assert that inline clones are
        never needed.
        (cgraph_clone_node): Clear externally_visible flag for clones.
        * cgraph.h (cgraph_only_called_directly_p,
        cgraph_can_remove_if_no_direct_calls_p): New predicates.
        * tree-pass.h (pass_ipa_whole_program_visibility): Declare.
        * ipa-cp.c (ipcp_cloning_candidate_p): Use new predicate.
        (ipcp_initialize_node_lattices, ipcp_estimate_growth,
        ipcp_insert_stage): Likwise.
        * cgraphunit.c (cgraph_decide_is_function_needed): Do not compute
        externally_visible flag.
        (verify_cgraph_node): Verify that inline clones look right.
        (process_function_and_variable_attributes): Do not set
        externally_visible flags.
        (ipa_passes): Avoid executing small_ipa_passes at LTO stage; they've
        been already run.
        * lto-cgraph.c (lto_output_node): Assert that inline clones are not
        boundaries.
        * ipa-inline.c (cgraph_clone_inlined_nodes): Use new predicates;
        clear externally_visible when turning into inline clones
        (cgraph_mark_inline_edge): Use new predicates.
        (cgraph_estimate_growth): Likewise.
        (cgraph_decide_inlining): Likewise.
        * ipa.c (cgraph_postorder): Likewise.
        (cgraph_remove_unreachable_nodes): Likewise; sanity check
        that inline clones are not needed.
        (cgraph_externally_visible_p): New predicate.
        (function_and_variable_visibility): Add whole_program parameter;
        always set externally_visible flag; handle COMDAT function
        privatization.
        (local_function_and_variable_visibility): New function.
        (gate_whole_program_function_and_variable_visibility): New function.
        (whole_program_function_and_variable_visibility): New function.
        (pass_ipa_whole_program_visibility): New function.
        * passes.c  (init_optimization_passes): Add whole program visibility
        pass.
        (do_per_function_toporder, function_called_by_processed_nodes_p): Do
        not care about needed/reachable flags.
        * varpool.c: Include flags.h
        (decide_is_variable_needed): When doing LTO assume whole-program mode.
        (varpool_finalize_decl): When we are in LTO read-back, all variables
        are analyzed.
        (varpool_analyze_pending_decls): Skip analyzis of analyzed vars.

2009-10-07  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

        * config/s390/tpf.h (TARGET_DEFAULT): Remove MASK_HARD_FLOAT and
        add MASK_HARD_DFP.

2009-10-07  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

        * config.gcc: Don't include the makefile fragments intended for
        libgcc.
        * config/s390/fixdfdi.h: File removed.
        * config/s390/libgcc-glibc.ver: File removed.
        * config/s390/s390.h: Remove the fixdfdi.h hack.
        * config/s390/t-crtstuff: File moved to libgcc dir.
        * config/s390/t-linux: Likewise.
        * config/s390/t-tpf: libgcc specific parts removed.
        * config/s390/t-linux64: Likewise.

2009-10-06  Jerry Quinn  <jlquinn@optonline.net>

        * Makefile.in (lto-wrapper): Use COMPILER and ALL_COMPILERFLAGS.
        (lto-compress.o): Likewise.

2009-10-07  Danny Smith  <dannysmith@users.sourceforge.net>

        PR target/41512
        * config/i386/winnt.c (i386_pe_determine_dllexport_p): Don't propagate
        dllexport to class members here.
        (i386_pe_determine_dllimport_p): Only check static class data for
        definition.
        (i386_pe_encode_section_info): Don't recheck DECL_DLLIMPORT_P.
        * config/i386/winnt-cxx.c (i386_pe_type_dllimport_p): Only check
        functions for vague linkage.
        (i386_pe_type_dllexport_p): Fix formatting.
        (maybe_add_dllexport) New function.
        (i386_pe_adjust_class_at_definition): Use it to propagate dllexport
        to class members.

2009-10-07  Ben Elliston  <bje@au.ibm.com>

        * config/rs6000/a2.md: Remove duplicated lines.

2009-10-07  Ben Elliston  <bje@au.ibm.com>

        * config.gcc (powerpc*-*-*): Handle a2.
        * config/rs6000/rs6000.md (cpu): Add ppca2.  Include "a2.md".
        * config/rs6000/a2.md: New file.
        * config/rs6000/rs6000.opt (mno-update): New.
        (mupdate): Return to using a mask, not a var.
        * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add support for a2.
        (enum processor_type): Add PROCESSOR_PPCA2.
        * config/rs6000/rs6000.c (ppca2_cost): New costs.
        (rs6000_override_options): Add "a2" to processor_target_table.
        Update rs6000_always_hint logic.  Correctly set rs6000_cost for a2.
        * doc/invoke.texi (RS/6000 and PowerPC Options): Document -mcpu=a2.

2009-10-06  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.md (float<SSEMODEI24:mode><X87MODEF:mode>2):
        Use explicit gen_truncxfsf2 and gen_truncxfdf2 references to avoid
        reference to nonexistent gen_truncxfxf2 function.

2009-10-06  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.md (SWI48, SDWIM, DWI): New mode iterators.
        (DWIH, g, di, doubleint_general_operand): New mode attributes.
        (general_operand): Handle TI mode.
        (add<mode>3): Macroize expander from add{qi,hi,si,di,ti}3 patterns
        using SDWIM mode iterator.
        (*add<mode>3_doubleword): New insn_and_split pattern.  Macroize
        pattern from *add{di,ti}3_1 patterns and corresponding splitters
        using DWI mode iterator.
        (add<mode>3_carry): Macroize insn from add{qi,hi,si,di}3_carry
        patterns using SWI mode iterator.
        (*add<mode>3_cc): Macroize insn from add{si,di}3_cc patterns
        using SWI48 mode iterator.
        (*add<mode>_1): Ditto from add{si,di}_1 patterns.
        (*add<mode>_2): Ditto from add{si,di}_2 patterns.
        (*add<mode>_3): Ditto from add{si,di}_3 patterns.
        (*add<mode>_5): Ditto from add{si,di}_5 patterns.
        (sub<mode>3): Macroize expander from sub{qi,hi,si,di,ti}3 patterns
        using SDWIM mode iterator.
        (*sub<mode>3_doubleword): New insn_and_split pattern.  Macroize
        pattern from *sub{di,ti}3_1 patterns and corresponding splitters
        using DWI mode iterator.
        (sub<mode>3_carry): Macroize insn from sub{qi,hi,si,di}3_carry
        patterns using SWI mode iterator.
        (*sub<mode>_1): Ditto from from sub{qi,hi,si,di}_1 patterns.
        (*sub<mode>_2): Ditto from sub{qi,hi,si,di}_2 patterns.
        (*sub<mode>_3): Ditto from sub{qi,hi,si,di}_3 patterns.
        (<plusminus_insn>xf3): Macroize expander from addxf3 and subxf3
        patterns using plusminus code iterator.
        (<plusminus_insn><mode>3): Macroize expander from add<mode>3 and
        sub<mode>3 patterns using plusminus code iterator.
        * config/i386/i386.c (override_options): Update the call to
        gen_subdi_carry_rex64 for renamed function.
        (ix86_expand_int_addcc): Update calls to gen_subdi3_carry_rex64
        and gen_adddi3_carry_rex64 for renamed functions.  Use indirect
        calls to instruction expanders.

2009-10-06  Martin Jambor  <mjambor@suse.cz>

        PR bootstrap/41395
        * opts.c (decode_options): Run IPA-SRA at -O2.

2009-10-06  Richard Guenther  <rguenther@suse.de>

        * lto-symtab.c (lto_symtab_entry_hash): Hash strings, not pointers.

2009-10-06  Tobias Burnus  <burnus@net-b.de>

        PR lto/41591
        * doc/invoke.texi (-flto,-fwhole-program): Make clear that the
        -flto and -fwhole-program flags can be combined.

2009-10-06  Ryan Mansfield  <rmansfield@qnx.com>

        PR driver/41217
        * gcc.c (process_command): Check that -o argument was specified.

2009-10-06  Jerry Quinn  <jlquinn@optonline.net>

        * gimple.c (gimple_type_hash): Use CONST_CAST_TREE to fix compilation.

2009-10-05  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

        * c.opt (Wjump-misses-init): Fix typo to enable for ObjC.
        * doc/invoke.texi (Warning Options): Annotate allowed languages
        for -Wunsuffixed-float-constants.

2009-10-05  Jakub Jelinek  <jakub@redhat.com>

        * dwarf2out.c (modified_type_die): Don't add DW_AT_name to
        DW_TAG_{const,volatile}_type if its DW_AT_type already has the
        same name and isn't the main variant.

        PR debug/41558
        * dwarf2out.c (loc_by_reference): Removed.
        (dw_loc_list_1): New function.
        (dw_loc_list): Remove toplev argument, add want_address argument.
        Don't look at decl_by_reference_p at all.  Use dw_loc_list_1.
        (loc_list_from_tree) <case VAR_DECL>: Pass want_address rather than
        want_address == 2 to dw_loc_list.  For successful dw_loc_list
        set have_address to 1 only if want_address is not 0.

2009-10-05  Richard Sandiford  <rdsandiford@googlemail.com>

        * config/mips/mips-protos.h (mips_trampoline_code_size): Declare.
        * config/mips/mips.h (TRAMPOLINE_SIZE): Redefine as the size of
        a code block followed by two pointers.
        (TRAMPOLINE_ALIGNMENT): Define to 64 for 32-bit targets too.
        * config/mips/mips.c (MIPS_LOAD_PTR): New macro.
        (MIPS_MOVE): Likewise.
        (MIPS_LUI): Likewise.
        (MIPS_JR): Likewise.
        (MIPS_BAL): Likewise.
        (MIPS_NOP): Likewise.
        (mips_asm_trampoline_template): Delete.
        (mips_trampoline_code_size): New function.
        (mips_trampoline_init): Add shorter sequences for all cases
        except Pmode == DImoe && !TARGET_USE_PIC_FN_ADDR_REG.
        Calculate the opcodes directly, rather than copying from a template.
        Only flush the code part of the trampoline.
        (TARGET_ASM_TRAMPOLINE_TEMPLATE): Delete.

2009-10-05  Richard Sandiford  <rdsandiford@googlemail.com>

        * config/mips/mips.h (DWARF_FRAME_RETURN_COLUMN): Replace
        GP_REG_FIRST + 31 with RETURN_ADDR_REGNUM.
        (INCOMING_RETURN_ADDR_RTX): Likewise.
        (FUNCTION_PROFILER): Likewise.  Replace GP_REG_FIRST + 1
        with AT_REGNUM.
        * config/mips/sdemtk.h (FUNCTION_PROFILER): Replace GP_REG_FIRST + 31
        with RETURN_ADDR_REGNUM.
        (MIPS_SAVE_REG_FOR_PROFILING_P): Likewise.
        * config/mips/mips.c (mips16_build_call_stub): Replace
        GP_REG_FIRST + 31 with RETURN_ADDR_REGNUM, GP_REG_FIRST + 1
        with AT_REGNUM and 31 with RETURN_ADDR_REGNUM.
        (mips_print_operand_punctuation): Likewise.
        (mips_frame_set): Likewise.
        (mips16e_output_save_restore): Likewise.
        (mips_cfun_might_clobber_call_saved_reg_p): Likewise.
        (mips_save_reg_p): Likewise.
        (mips_return_addr): Likewise.
        (mips_set_return_address): Likewise.
        (mips_direct_save_slot_move_p): Likewise.
        (mips_output_function_prologue): Likewise.
        (mips_restore_reg): Likewise.
        (mips_expand_epilogue): Likewise.
        (mips_epilogue_uses): Likewise.
        * config/mips/mips.md (RETURN_ADD_REGNUM): Define.
        (*mov<mode>_ra): Use it instead of a hard-coded 31.
        (clear_hazard_<mode>): Likewise.
        (call_internal): Likewise.
        (call_internal_direct): Likewise.
        (call_direct_split): Likewise.
        (call_value_internal): Likewise.
        (call_value_split): Likewise.
        (call_value_internal_direct): Likewise.
        (call_value_direct_split): Likewise.
        (call_value_multiple_internal): Likewise.
        (call_value_multiple_split): Likewise.

2009-10-05  Eric Botcazou  <ebotcazou@adacore.com>
            Jakub Jelinek  <jakub@redhat.com>

        PR rtl-optimization/41511
        * combine.c (record_value_for_reg): Pass explicit values as argument
        to get_last_value_validate.
        (get_last_value_validate): Document INSN parameter.
        For non-readonly MEMs, assume they might have been modified if INSN
        was in another basic block.
        (get_last_value): Minor reformatting.

2009-10-05  Andrew Pinski  <andrew_pinski@playstation.sony.com>

        PR tree-opt/40992
        * final.c (asm_str_count): Split out from asm_insn_count.
        * rtl.h (asm_str_count): New prototype.
        * tree-inline (estimate_num_insns) <case GIMPLE_ASM>: Call
        asm_str_count.

2009-10-05  Sriraman Tallam  <tmsriram@google.com>

        * doc/plugins.texi: Change plugin_pass to register_pass_info.

2009-10-05  Basile Starynkevitch  <basile@starynkevitch.net>
            Rafael Espindola  <espindola@google.com>

        * gengtype.c (write_types): Moved call to write_func_for_structure
        into seperate loops.

2009-10-05  Richard Guenther  <rguenther@suse.de>

        PR lto/41281
        * lto-cgraph.c (output_cgraph): Output toplevel asms.
        (input_cgraph_1): Input toplevel asms.

2009-10-05  Richard Guenther  <rguenther@suse.de>

        PR lto/40902
        * lto-symtab.c (lto_compatible_attributes_p): Remove.
        (external_aggregate_decl_p): Likewise.
        (lto_symtab_compatible): Re-structure.  Remove dead code.
        For variables ignore toplevel qualifiers when comparing types.
        Issue warnings, not errors for mismatched user-alignment.

2009-10-05  Richard Guenther  <rguenther@suse.de>

        PR lto/41552
        PR lto/41487
        * lto-symtab.c (struct lto_symtab_base_def): Remove.
        (struct lto_symtab_identifier_def): Likewise.
        (struct lto_symtab_decl_def): Likewise.
        (struct lto_symtab_entry_def): New.
        (lto_symtab_identifier_t): Rename to ...
        (lto_symtab_entry_t): ... this.
        (lto_symtab_decls): Remove.
        (lto_symtab_base_hash): Rename to ...
        (lto_symtab_entry_hash): ... this.
        (lto_symtab_base_eq): Rename to ...
        (lto_symtab_entry_eq): ... this.
        (lto_symtab_base_marked_p): Rename to ...
        (lto_symtab_entry_marked_p): ... this.
        (lto_symtab_identifier_marked_p): Remove.
        (lto_symtab_decl_marked_p): Likewise.
        (lto_symtab_maybe_init_hash_tables): Rename to ...
        (lto_symtab_maybe_init_hash_table): ... this.
        (lto_symtab_set_resolution_and_file_data): Remove.
        (lto_symtab_register_decl): New function.
        (lto_symtab_get_identifier): Remove.
        (lto_symtab_get): New function.
        (lto_symtab_get_resolution): Adjust.
        (lto_symtab_get_identifier_decl): Remove.
        (lto_symtab_set_identifier_decl): Likewise.
        (lto_symtab_merge_decl): Rename to ...
        (lto_symtab_merge): ... this.  Rewrite.
        (lto_symtab_merge_var): Remove.
        (lto_symtab_merge_fn): Likewise.
        (lto_symtab_prevailing_decl): Adjust.
        (lto_cgraph_replace_node): New function.
        (lto_symtab_merge_decls_2): Likewise.
        (lto_symtab_merge_decls_1): Likewise.
        (lto_symtab_fixup_var_decls): Likewise.
        (lto_symtab_resolve_symbols): Likewise.
        (lto_symtab_merge_decls): Likewise.
        (lto_symtab_prevailing_decl): Adjust.
        (lto_symtab_get_symtab_def): Remove.
        (lto_symtab_get_file_data): Likewise.
        (lto_symtab_clear_resolution): Adjust.
        (lto_symtab_clear_resolution): Likewise.
        * lto-cgraph.c (input_edge): Do not merge cgraph nodes here.
        (input_cgraph_1): Likewise.
        * lto-streamer-in.c (get_resolution): Do not provide fake
        symbol resolutions here.
        (deferred_global_decls): Remove.
        (lto_register_deferred_decls_in_symtab): Likewise.
        (lto_register_var_decl_in_symtab): Change signature, register
        variable via lto_symtab_register_decl.
        (lto_register_function_decl_in_symtab): Likewise.
        (lto_read_tree): Adjust.
        * lto-streamer.h (lto_register_deferred_decls_in_symtab): Remove.
        (lto_symtab_merge_var): Likewise.
        (lto_symtab_merge_fn): Likewise.
        (lto_symtab_register_decl): Declare.
        (lto_symtab_merge_decls): Likewise.

2009-10-05  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/23821
        * tree-vrp.c (vrp_finalize): Do not perform copy propagation.
        * tree-ssa-dom.c (cprop_operand): Do not propagate copies into
        simple IV increments.

2009-10-05  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>

        * config/arm/arm.c (arm_override_options): Really initialize
        flag_dwarf2_cfi_asm to 0.

2009-10-05  Doug Kwan  <dougkwan@google.com>

        PR rtl-optimization/41574
        * combine.c (distribute_and_simplify_rtx): Quit if RTX mode is
        floating point and we are not doing unsafe math optimizations.

2009-10-03  Simon Baldwin  <simonb@google.com>
            Cary Coutant  <ccoutant@google.com>
            Rafael Espindola  <espindola@google.com>
            Richard Guenther  <rguenther@suse.de>
            Jan Hubicka  <jh@suse.cz>
            Doug Kwan <dougkwan@google.com>
            H.J. Lu  <hongjiu.lu@intel.com>
            Bill Maddox  <maddox@google.com>
            Ryan Mansfield  <rmansfield@qnx.com>
            Diego Novillo  <dnovillo@google.com>
            Ollie Wild  <aaw@google.com>
            Kenneth Zadeck <zadeck@naturalbridge.com>

        * lto-cgraph.c: New file.
        * lto-compress.c: New file.
        * lto-compress.h: New file.
        * lto-opts.c: New file.
        * lto-section-in.c: New file.
        * lto-section-out.c: New file.
        * lto-streamer-in.c: New file.
        * lto-streamer-out.c: New file.
        * lto-streamer.c: New file.
        * lto-streamer.h: New file.
        * lto-symtab.c: New file.
        * lto-wpa-fixup.c: New file.
        * lto-wrapper.c: New file.

2009-10-03  Simon Baldwin  <baldwin@google.com>
            Ben Elliston  <bje@au.ibm.com>
            Rafael Espindola  <espindola@google.com>
            Nathan Froyd  <froydnj@codesourcery.com>
            Jan Hubicka  <jh@suse.cz>
            Doug Kwan  <dougkwan@google.com>
            Diego Novillo  <dnovillo@google.com>
            Kenneth Zadeck  <zadeck@naturalbridge.com>

        * Makefile.in (enable_lto): New.
        (site.exp): If @enable_lto@ is set to 'yes' define ENABLE_LTO.
        (LINKER_PLUGIN_API_H): Define.
        (LTO_SYMTAB_H): Define.
        (LTO_STREAMER_H): Define.
        (TREE_VECTORIZER_H): Define.
        (INCLUDES): Add LIBELFINC.
        (OBJS-common): Add lto-cgraph.o, lto-streamer-in.o,
        lto-streamer-out.o, lto-section-in.o, lto-section-out.o, lto-symtab.o,
        lto-opts.o, lto-streamer.o, lto-wpa-fixup.o, lto-compress.o.
        (MOSTLYCLEANFILES): Add lto-wrapper$(exeext)
        (native): Add lto-wrapper$(exeext)
        (lto-compress.o, lto-cgraph.o, lto-streamer-in.o,
        lto-streamer-out.o, lto-section-in.o, lto-section-out.o,
        lto-symtab.o, lto-opts.o, lto-streamer.o, lto-wpa-fixup.o): New rules.
        (gimple.o): Add dependency on LTO_HEADER_H and LTO_SECTION_OUT_H.
        (varasm.o): Add dependency on tree-iterator.h.
        (cgraph.o): Add dependency on cif-code.def.
        (ipa-reference.o): Add dependency on LTO_STREAMER_H.
        (ipa-pure-const.o): Likewise.
        (GTFILES): Add lto-symtab.c.
        (install-lto-wrapper): New.
        * configure.ac: If 'lto' is in enable_languages, define ENABLE_LTO
        and enable_lto.  If LIBELFLIBS is set, define HAVE_libelf.
        * config.in: Regenerate.

2009-10-03  Rafael Espindola  <espindola@google.com>
            Diego Novillo  <dnovillo@google.com>

        * cgraphunit.c (ipa_passes): Prevent lto1 from calling
        ipa_write_summaries.
        Call execute_ipa_summary_passes for all_regular_ipa_passes and
        all_lto_gen_passes.
        (cgraph_optimize): Make extern.

2009-10-03  Nathan Froyd  <froydnj@codesourcery.com>
            Kenneth Zadeck <zadeck@naturalbridge.com>

        * toplev.c (in_lto_p): Declare.
        * collect2.c (scan_prog_file): Read all the output when reading
        information for LTO.
        (enum lto_mode_d): Declare.

2009-10-03  Richard Guenther  <rguenther@suse.de>
            Diego Novillo  <dnovillo@google.com>

        * gimple.c: Include target.h and alias.h.
        (gimple_types): Declare.
        (type_hash_cache): Declare.
        (gimple_alloc_stat): Make extern.
        (gimple_build_eh_must_not_throw): Call
        gimple_eh_must_not_throw_set_fndecl.
        (struct type_pair_d): Declare.
        (type_pair_t): Declare.
        (type_pair_hash): New.
        (type_pair_eq): New.
        (lookup_type_pair): New.
        (gimple_force_type_merge): New.
        (compare_type_names_p): New.
        (compare_field_offset): New.
        (gimple_types_compatible_p): New.
        (struct sccs): Declare.
        (next_dfs_num): Declare.
        (iterative_hash_gimple_type): New.
        (visit): New.
        (iterative_hash_type_name): New.
        (iterative_hash_gimple_type): New.
        (gimple_type_hash): New.
        (gimple_type_eq): New.
        (gimple_register_type): New.
        (print_gimple_types_stats): New.
        (gimple_signed_or_unsigned_type): New.
        (gimple_unsigned_type): New.
        (gimple_signed_type): New.
        (gimple_get_alias_set): New.
        (gimple_decl_printable_name): Do not use DMGL_TYPES.
        * gimple.h (gimple_alloc, gimple_alloc_stat): Declare.
        (gimple_force_type_merge): Declare.
        (gimple_types_compatible_p): Declare.
        (gimple_register_type): Declare.
        (print_gimple_types_stats): Declare.
        (gimple_unsigned_type): Declare.
        (gimple_signed_type): Declare.
        (gimple_get_alias_set): Declare.
        (gimple_eh_must_not_throw_set_fndecl): New.

2009-10-03  Jan Hubicka  <jh@suse.cz>
            Kenneth Zadeck <zadeck@naturalbridge.com>

        * ipa-pure-const.c: Include lto-streamer.h.
        (register_hooks): Factor out of ...
        (generate_summary): ... here.
        (pure_const_write_summary): New.
        (pure_const_read_summary): New.
        (pass_ipa_pure_const): Add pure_const_write_summary and
        pure_const_read_summary.
        * ipa-reference.c: Include lto-streamer.h.
        (add_new_function): New.
        (remove_node_data): New.
        (duplicate_node_data): New.
        (ipa_init): Guard against multiple calls.
        Move hook setup from analyze_function.
        (write_node_summary_p): New.
        (ipa_reference_write_summary): New.
        (ipa_reference_read_summary): New.
        (pass_ipa_reference): Add ipa_reference_write_summary and
        ipa_reference_read_summary.
        * cgraph.h (cgraph_local_info): Add field lto_file_data.
        (struct cgraph_edge): Add fields lto_stmt_uid and
        call_stmt_cannot_inline_p.
        (cgraph_optimize): Declare.
        (cgraph_decide_is_function_needed): Declare.
        (reset_inline_failed): Declare.
        (enum LTO_cgraph_tags): Declare.
        (LTO_cgraph_tag_names): Declare.
        (LCC_NOT_FOUND): Define.

2009-10-03  Doug Kwan  <dougkwan@google.com>
            Rafael Espindola  <espindola@google.com>
            Jan Hubicka  <jh@suse.cz>
            Diego Novillo  <dnovillo@google.com>
            Kenneth Zadeck  <zadeck@naturalbridge.com>

        * passes.c (all_regular_ipa_passes): New.
        (all_ipa_passes): Rename to all_small_ipa_passes.
        (init_optimization_passes): Init all_regular_ipa_passes.
        * tree-pass.h (all_regular_ipa_passes): New.
        (all_ipa_passes): Rename to all_small_ipa_passes.
        * passes.c (all_lto_gen_passes): New.
        (init_optimization_passes): Initialize all_lto_gen_passes.
        (execute_ipa_summary_passes): Make non-static.
        (ipa_write_summaries_1): New.
        (ipa_write_summaries_2): New.
        (ipa_write_summaries): New.
        (ipa_write_summaries_of_cgraph_node_set): New.
        (ipa_read_summaries_1): New.
        (ipa_read_summaries): New.
        (execute_ipa_pass_list): Call cgraph_process_new_functions.
        (execute_regular_ipa_pass_list): Remove.
        (init_optimization_passes): Schedule
        pass_rebuild_cgraph_edges and pass_early_inline outside
        of pass_all_early_optimizations.  Document reason.
        (pass_ipa_lto_gimple_out, pass_ipa_lto_wpa_fixup,
        pass_ipa_lto_finish_out): New pass.
        (pass_ipa_summary_passes): Start and stop timers if the pass has them.
        (execute_all_ipa_transforms): New.
        (execute_one_pass): Don't call execute_one_ipa_transform_pass.
        (dump_properties, debug_properties): New.
        * tree-optimize.c (gate_all_early_local_passes): Return
        false if we are in lto1.
        (tree_rest_of_compilation): Call execute_all_ipa_transforms.
        * tree-pass.h (execute_all_ipa_transforms): Declare.
        (pass_ipa_function_and_variable_visibility): Declare.
        (pass_ipa_early_inline): Declare.
        (pass_ipa_lto_gimple_out): Declare.
        (pass_ipa_lto_wpa_fixup): Declare.
        (pass_ipa_lto_finish_out): Declare.
        (all_small_ipa_passes, all_regular_ipa_passes,
        all_lto_gen_passes): Declare.
        (execute_ipa_summary_passes): Declare.
        (execute_all_ipa_transforms): Declare.
        (ipa_write_summaries): Declare
        (ipa_write_summaries_of_cgraph_node_set): Declare.
        (ipa_read_summaries): Declare.

2009-10-03  Doug Kwan  <dougkwan@google.com>
            Ollie Wild  <aaw@google.com>

        * ipa-prop.c (ipa_propagate_indirect_call_infos): Do nothing in WPA.

        * collect2.c (LTO_MODE_NONE, LTO_MODE_LTO, LTO_MODE_WPA): New enums.
        (lto_mode): New variable.
        (maybe_run_lto_and_relink): Handle the -fwpa option.
        (main): Handle the -fwpa option.
        (maybe_unlink_list): New function.
        * gcc.c (link_lto_options): Replace -flto with -fwpa.
        * common.opt (flto): New flag.
        * toplev.c (flag_generate_lto): Declare.

2009-10-03  Simon Baldwin  <simonb@google.com>

        * common.opt (flto-compression-level): New flag.

        * opts.c: Include lto-opts.h.
        (handle_option): Call lto_register_user_option for each
        valid option handled.
        (decode_options): Clear registered options before the options
        handling loop.

2009-10-03  Cary Coutant  <ccoutant@google.com>

        * collect2.c (is_elf): New function.
        (scan_prog_file): Require LTO object to be in ELF format.

2009-10-03  Rafael Espindola  <espindola@google.com>

        * gcc.c (LINK_COMMAND_SPEC): Use the -pass-through option to pass
        libgcc to the linker.

        * ipa-cp.c (cgraph_gate_cp): Return false if LTRANS is running.

        * collect2.c (maybe_run_lto_and_relink): Execute lto-wrapper.
        (collect_execute): Add flags argument. Pass flags to pex_run. Update
        all callers.
        * collect2.h (collect_execute): Add flags argument.
        * tlink.c (tlink_execute): Update call to collect_execute.
        * gcc.c (main): Set the COLLECT_LTO_WRAPPER environment variable.
        (use_linker_plugin): New.
        (use_linker_plugin_spec_function): New.
        (LINK_COMMAND_SPEC): Pass plugin options to the linker.
        (linker_plugin_file_spec): New.
        (lto_wrapper_spec): New.
        (lto_gcc_spec): New.
        (static_specs): Add linker_plugin_file, lto_wrapper and lto_gcc.
        (static_spec_functions): Add use-linker-plugin.
        (process_command): Handle -use-linker-plugin.
        (main): Use lto_wrapper_spec instead of lto_wrapper. Set
        linker_plugin_file_spec and lto_gcc_spec.
        (use_linker_plugin_spec_function): New.

2009-10-03  Richard Guenther  <rguenther@suse.de>

        PR lto/41547
        PR lto/41548
        * tree.h (is_lang_specific): Include LANG_TYPE.
        * tree.c (find_decls_types_r): Manually add interesting parts
        of TYPE_FIELDS.  Walk BINFO_VIRTUALS.  Do not walk TYPE_METHODS.

        * gimple.c (type_pair_hash): Make symmetric.
        (type_pair_eq): Likewise.
        (lookup_type_pair): Increase initial hashtable size.
        (gimple_force_type_merge): Rely on type-pair symmetry.
        (visit): Remove excessive checking code.
        (iterative_hash_type_name): Do not hash TYPE_NAME of anonymous unions.
        (gimple_register_type): Remove getenv calls, shrink initial
        hashtable size.

        PR middle-end/41502
        * cgraphunit.c (ipa_passes): Do not remove bodies of extern
        inline functions if not generating lto output.

        PR lto/41379
        * toplev.c (finalize): In WPA mode remove the asm file.

2009-10-03  Doug Kwan  <dougkwan@google.com>

        * ipa-inline.c (cgraph_mark_inline): Check
        edge->call_stmt_cannot_inline_p instead of calling
        gimple_call_cannot_inline_p.
        (cgraph_decide_inlining): Do nothing in WPA and LTRANS.
        (cgraph_gate_ipa_early_inlining): Return false if in_lto_p is set.
        (inline_generate_summary): Do nothing in LTRANS.
        * cgraph.c (initialize_inline_failed): Make sure e->call_stmt
        exists before calling gimple_call_cannot_inline_p.
        (cgraph_create_edge): Set edge->call_stmt_cannot_inline_p.
        (cgraph_clone_edge): Add argument STMT_UID.  Modify all callers.
        Update new_edge->lto_stmt_uid.
        * cgraphbuild.c (reset_inline_failed): New.

        * common.opt (fwpa): New flag.
        (fltrans): New option.
        * gcc.c (gcc_lto_option_t): New type.
        (current_lto_option): New variable.
        (lto_single_spec_function): Remove and is replaced by ..
        (lto_option_spec_function): New function.
        (LINK_COMMAND_SPEC): Use link_lto_option spec instead of just
        passing the -flto flag.
        (cc1_options): Separate non-LTO related parts into ..
        (cc1_non_lto_options): Non-LTO related options shared by all FEs.
        (lto1_options): New spec for lto FE.
        (link_lto_options): New spec for handling LTO flags in linker.
        (invoke_lto_single): Re-format to fit in 80 column.  Replace
        lto-single with lto-option.
        (static_specs): Add cc1_non_lto_options, lto1_options and
        link_lto_options.
        (static_spec_function): Replace lto-single with lto-option.
        (process_command): Handle -flto, -fwpa and -fltran by setting
        current_lto_option and not passing it to subprocess unconditionally.

2009-10-03  Bill Maddox  <maddox@google.com>

        Add `gcc' driver support for link-time code generation (LTO).

        * collect2.c (enum pass): Add new literal PASS_LTOINFO.
        (lto_flag, lto_objects, lto_o_file): New variables.
        (struct lto_object, struct lto_object_list): New structures.
        (collect_exit, handler): Remove LTO temporary output file on exit.
        (add_lto_object): New function.
        (maybe_run_lto_and_relink): New function. Perform link time code
        generation and relinking for object files containing LTO information.
        (main): Invoke maybe_run_lto_and_relink().
        (dump_argv): New function.  For debugging, currently disabled.
        (scan_prog_file): Add LTO information pass.
        * gcc.c (LINK_COMMAND_SPEC): Pass `-flto' switch to linker, i.e.,
        collect2.
        * toplev.c (compile_file): Emit assembler directive to create
        the `gnu_lto_v1' marker symbol when compiling with `-flto'.

2009-10-03  Diego Novillo  <dnovillo@google.com>

        * c.opt: Add LTO to warn_abi and warn_psabi.

        * tree.c (fld_worklist_push): Rename from PUSH.  Convert to static
        inline function.  Ignore language-specific nodes.  Update all users.
        (find_decls_types_r): Do not traverse the subtrees of
        language-specific nodes.  Do not traverse DECL_INITIAL for TYPE_DECLs.
        * tree.h (is_lang_specific): New.
        * langhooks.h (struct lang_hooks_for_decls): Remove
        may_need_assembler_name_p.  Update all users.

        * c-common.c (set_builtin_user_assembler_name): Move ...
        * builtins.c (set_builtin_user_assembler_name): ... here.
        (is_builtin_name): Add comment
        (is_builtin_fn): New.
        * except.c (output_ttype): Only call
        lookup_type_for_runtime if TYPE is not a runtime type.

        * passes.c (register_pass): Call position_pass on
        all_small_ipa_passes, all_regular_ipa_passes and all_lto_gen_passes.
        * timevar.def (TV_IPA_LTO_GIMPLE_IO): Define.
        (TV_IPA_LTO_DECL_IO): Define.
        (TV_IPA_LTO_CGRAPH_IO): Define.
        (TV_LTO): Define.
        (TV_WHOPR_WPA): Define.
        (TV_WHOPR_WPA_IO): Define.
        (TV_WHOPR_LTRANS): Define.
        (TV_WHOPR_WPA_FIXUP): Define.
        (TV_WHOPR_WPA_LTRANS_EXEC): Define.
        * tree-cfg.c (tree_node_can_be_shared): Make extern.
        * tree-flow.h (tree_node_can_be_shared): Declare.
        * tree-inline.c (tree_can_inline_p): Check that E has a
        statement associated with it.
        * tree.c (free_lang_data_in_binf): Factor out of ...
        (free_lang_data_in_type): ... here.
        Call RECORD_OR_UNION_TYPE_P.
        (need_assembler_name_p): Ignore DECL if it does not have TREE_PUBLIC
        set.  Call lang_hooks.decls.may_need_assembler_name_p if set.
        (free_lang_data_in_decl): Do not clear DECL_CONTEXT for CONST_DECLs.
        (free_lang_data): Set debug_info_level to DINFO_LEVEL_NONE.  Set
        write_symbols to NO_DEBUG.  Set debug_hooks to do_nothing_debug_hooks.
        (gate_free_lang_data): Return true if flag_generate_lto is set.
        (walk_tree_1): Call RECORD_OR_UNION_TYPE_P.
        * c-common.h (set_builtin_user_assembler_name): Move ...
        * tree.h (set_builtin_user_assembler_name): ... here.

        * common.opt (flto-report): New flag.
        * opts.c (complain_wrong_lang): Do not complain if running lto1.
        * collect2.c (scan_prog_file): Send the error output of
        'nm' to HOST_BIT_BUCKET.

2009-10-03  Ollie Wild  <aaw@google.com>

        * langhooks-def.h (lhd_begin_section): New function declaration.
        (lhd_write_section): New function declaration.
        (lhd_end_section): New function declaration.
        (LANG_HOOKS_BEGIN_SECTION): New macro.
        (LANG_HOOKS_WRITE_SECTION_DATA): New macro.
        (LANG_HOOKS_END_SECTION): New macro.
        (LANG_HOOKS_LTO): New macro.
        (LANG_HOOKS_INITIALIZER): Add LANG_HOOKS_LTO.
        * langhooks.c (output.h): Add include.
        (saved_section): New static variable.
        (lhd_begin_section): New function.
        (lhd_write_section_data): New function.
        (lhd_end_section): New function.
        * langhooks.h (struct lang_hooks_for_lto): New structure.
        (struct lang_hooks): Add member lto.
        * Makefile.in (langhooks.o): Add dependency on output.h.

        * c-opts.c (c_common_post_options): Handle -flto and -fwhopr.

2009-10-03  Richard Guenther  <rguenther@suse.de>

        * config/rs6000/rs6000.c (rs6000_output_function_epilogue):
        Handle LTO.

2009-10-03  Simon Baldwin  <simonb@google.com>
            Richard Guenther  <rguenther@suse.de>
            Janis Johnson  <janis187@us.ibm.com>
            Doug Kwan  <dougkwan@google.com>
            Diego Novillo  <dnovillo@google.com>
            Ramana Radhakrishnan  <ramana.r@gmail.com>
            Ollie Wild  <aaw@google.com>

        * doc/install.texi: Add documentation for libelf and --enable-lto.
        * doc/invoke.texi: Document -fwpa, -flto, -fwhopr, -fltrans,
        -flto-report, -flto-compression-level and -use-linker-plugin.
        * doc/sourcebuild.texi: Document use of zlib.  Document lto-plugin.
        Add section for LTO Testing.

2009-10-02  Cary Coutant  <ccoutant@google.com>

        Add support for comdat type sections for DWARF v4.
        Merge from dwarf4 branch.

        * dwarf2out.c (DWARF_TYPE_SIGNATURE_SIZE): New constant.
        (dw_die_ref): Define vector type.
        (enum dw_val_class): Add dw_val_class_data8.
        (struct dw_val_struct): Add v.val_data8.
        (comdat_type_node_ref): New type.
        (struct die_struct): Move die_symbol into a union; add new field
        die_type_node.  Change all uses.
        (comdat_type_node): New type.
        (skeleton_chain_node): New type.
        (DWARF_COMDAT_TYPE_UNIT_HEADER_SIZE): New constant.
        (comdat_type_list): New variable.
        (dwarf_tag_name): Add DW_TAG_type_unit.
        (dwarf_attr_name): Add DW_AT_signature.
        (add_AT_data8): New function.
        (replace_child): New function.
        (move_all_children): New function.
        (print_signature): New function.
        (print_die): Print signature information; add dw_val_class_data8.
        (attr_checksum): Support dw_val_class_data8.
        (CHECKSUM_STRING): Redefine for DWARF-4 to include trailing NULL byte.
        (CHECKSUM_SLEB128, CHECKSUM_ULEB128): New macros.
        (checksum_sleb128, checksum_uleb128): New functions.
        (checksum_die_context): New function.
        (loc_checksum_ordered): New function.
        (attr_checksum_ordered): New function.
        (struct checksum_attributes): New structure.
        (collect_checksum_attributes): New function.
        (die_checksum_ordered): New function.
        (generate_type_signature): New function.
        (same_dw_val_p): Add dw_val_class_data8.
        (is_symbol_die): Use new is_declaration_die function.
        (is_declaration_die): New function.
        (should_move_die_to_comdat): New function.
        (clone_die): New function.
        (clone_tree): New function.
        (clone_as_declaration): New function.
        (copy_declaration_context): New function.
        (generate_skeleton_ancestor_tree): New function.
        (generate_skeleton_bottom_up): New function.
        (generate_skeleton): New function.
        (remove_child_or_replace_with_skeleton): New function.
        (break_out_comdat_types): New function.
        (struct decl_table_entry): New type.
        (htab_decl_hash): New function.
        (htab_decl_eq): New function.
        (htab_decl_del): New function.
        (copy_ancestor_tree): New function.
        (copy_decls_walk): New function.
        (copy_decls_for_unworthy_types): New function.
        (build_abbrev_table): Don't assert on missing die_symbol when doing
        comdat type sections.
        (size_of_die): Use DW_FORM_sig8 for external references.  Add
        dw_val_class_data8.
        (unmark_dies): Don't assert for unmarked dies when doing comdat
        type sections.
        (value_format): Support DW_FORM_sig8 and dw_val_class_data8.
        (output_signature): New function.
        (output_die): Likewise.
        (output_compilation_unit_header): Mark output as DWARF version 3
        even if generating DWARF 4.
        (output_comdat_type_unit): New function.
        (output_line_info): Mark output as DWARF version 3 even if generating
        DWARF 4.
        (dwarf2out_start_source_file): Don't do eliminate_dwarf2_dups with
        DWARF-4.
        (dwarf2out_end_source_file): Likewise.
        (prune_unused_types_walk_attribs): Don't follow references into
        comdat type sections.
        (prune_unused_types_mark): When generating type units, do not mark
        children of non-defining declarations of types; do mark children of
        type entries.
        (prune_unused_types): Process comdat type sections.
        (htab_ct_hash): New function.
        (htab_ct_eq): New function.
        (dwarf2out_finish): Move types to comdat sections when using DWARF-4.
        Add a pointer to the line table from type unit entries so
        DW_AT_decl_file has meaning.
        * varasm.c (default_elf_asm_named_section): Use identifier name as
        comdat key instead of lang hook.

2009-10-02  Neil Vachharajani  <nvachhar@google.com>

        * gcov-io.c (gcov_open): Open files read-only when MODE < 0.

2009-10-02  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.md (SWIM248): New mode iterator.
        (divmod<mode>4) Macroize expander from divmoddi4, divmodsi4 and
        divmodhi4 patterns using SWIM248 macro.
        (*divmod<mode>4): Macroize insn_and_split pattern from
        *divmoddi4_cltd_rex64, *divmodsi4_cltd and divmodhi4 insn patterns
        and their corresponding splitters usign SWIM248 macro.  Split SImode
        insn to generate cltd and DImode insn to generate cqto instead of
        move+shift when optimizing for size or TARGET_USE_CLTD is in effect.
        (*divmoddi4_nocltd_rex64, *divmodsi4_nocltd): Remove insn patterns.
        (*divmod<mode>4_noext): Macroize insn from *divmoddi_noext_rex64 and
        *divmodsi_noext patterns using SWIM248 macro.
        (udivmod<mode>4): Macroize expander from udivmoddi4, udivmodsi4 and
        udivmodhi4 patterns using SWIM248 macro.
        (*udivmod<mode>4): Macroize insn_and_split pattern from
        *udivmoddi4, udivmodsi4 and udivmodhi4 patterns and their
        corresponding splitters using SWIM248 macro.
        (*udivmod<mode>4_noext): Macroize insn from *udivmoddi4_noext,
        *udivmodsi4_noext and *udivmodhi_noext patterns using SWIM248 macro.

2009-10-02  Eric Botcazou  <ebotcazou@adacore.com>

        * stor-layout.c (layout_type) <ARRAY_TYPE>: Make sure that an array
        of zero-sized element is zero-sized regardless of its extent.

2009-10-02  Jakub Jelinek  <jakub@redhat.com>

        PR debug/40521
        * configure.ac (HAVE_GAS_CFI_SECTIONS_DIRECTIVE): New test.
        * configure: Regenerated.
        * config.in: Regenerated.
        * dwarf2out.c (dwarf2out_do_cfi_asm): Return false if
        !HAVE_GAS_CFI_SECTIONS_DIRECTIVE and not emitting .eh_frame.
        (dwarf2out_init): If HAVE_GAS_CFI_SECTIONS_DIRECTIVE and
        not emitting .eh_frame, emit .cfi_sections .debug_frame
        directive.

        PR debug/41404
        PR debug/41353
        * cfgexpand.c (expand_debug_expr) <case STRING_CST>: Don't create
        CONST_STRING if STRING_CST contains embedded '\0's or doesn't end
        with '\0'.
        (expand_debug_expr) <case VAR_DECL>: For TREE_STATIC !DECL_EXTERNAL
        vars use DECL_RTL with resetting it back to NULL afterwards.
        * dwarf2out.c (same_dw_val_p): For dw_val_class_addr compare with
        rtx_equal_p instead of asserting it is a SYMBOL_REF.
        (value_format): For dw_val_class_addr only use DW_FORM_addr if
        the attribute type allows it, otherwise use DW_FORM_dataN.
        (mem_loc_descriptor): Handle CONST_STRING.
        (add_const_value_attribute): Handle CONST_STRING using add_AT_addr.
        Handle MEM with CONST_STRING address using add_AT_string.
        (rtl_for_decl_init): Return MEM with CONST_STRING address instead of
        CONST_STRING for const arrays initialized with a string literal.
        (resolve_one_addr, resolve_addr_in_expr, resolve_addr): New functions.
        (dwarf2out_finish): Call resolve_addr.

2009-10-02  Andreas Schwab  <schwab@linux-m68k.org>
            Maxim Kuvyrkov  <maxim@codesourcery.com>

        * config/m68k/lb1sf68.asm (PICCALL): Use variable sized branch.

2009-10-02  Nick Clifton  <nickc@redhat.com>

        * config/mn10300/mn10300.h (USER_LABEL_PREFIX): Define.
        (ASM_OUTPUT_LABELREF): Use asm_fprintf and %U.

2009-10-01  Jan Hubicka  <jh@suse.cz>

        * cgraph.c (cgraph_clone_node): Add redirect_callers parameter.
        (cgraph_create_virtual_clone): Just pass redirect_callers
        around.
        * cgraph.h (cgraph_clone_node): Update prototype.
        * ipa-pure-const.c (self_recursive_p): New function.
        (propagate): Use it.
        * ipa-inline.c (cgraph_clone_inlined_nodes,
        cgraph_decide_recursive_inlining): Update.

2009-10-01  David Daney  <ddaney@caviumnetworks.com>

        * gcc/config/mips/mips.c (mips_process_sync_loop) Emit syncw
        instructions for TARGET_OCTEON.

2009-10-01  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>

        * config/arm/arm.c (arm_override_options): Turn off
        flag_dwarf2_cfi_asm for AAPCS variants.

2009-10-01  Martin Jambor  <mjambor@suse.cz>

        PR middle-end/12392
        * tree-sra.c (convert_callers): Do not call
        compute_inline_parameters on one caller more than once.

2009-10-01  Nick Clifton  <nickc@redhat.com>

        * config/vax/netbsd-elf.h (NETBSD_CC1_AND_CC1PLUS_SPEC): Define as
        an empty string if not already defined.

2009-10-01  Martin Jambor  <mjambor@suse.cz>

        PR bootstrap/41395
        * tree-sra.c (is_va_list_type): New function.
        (find_var_candidates): Call is_va_list_type.
        (find_param_candidates): Check that the type or the type pointed
        to are not va_list types.

2009-10-01  Martin Jambor  <mjambor@suse.cz>

        PR c++/41503
        * cp/pt.c (function_parameter_expanded_from_pack_p): Return false if
        DECL_ARTIFICIAL (param_decl) is true.

2009-09-30  Gabriel Dos Reis  <gdr@cs.tamu.edu>

        * tree.h (tree_decl_common::lang_flag_8): New.
        * c-common.c (c_common_reswords): Include "constexpr" as C++0x
        keyword.
        * c-common.h (RID_CONSTEXPR): New.

2009-09-30  Uros Bizjak  <ubizjak@gmail.com>

        * config/alpha/alpha.c (alpha_gimplify_va_arg_1):
        Use ref-all pointers.
        (alpha_gimplify_va_arg): Ditto.

2009-09-30  Jakub Jelinek  <jakub@redhat.com>

        PR target/41279
        * cfgloopanal.c (num_loop_insns): Don't increment ninsns for each bb
        before insn counting loop now that BB_END (bb) is counted.  Ensure
        the return value isn't zero.

2009-09-30  Nick Clifton  <nickc@redhat.com>

        * config.gcc (sh-symbianelf): Replace definition of extra_objs
        with separate definitions of c_target_objs and cxx_target_objs.
        * config/sh/t-sh: Add rules to build symbian-cxx.o, symbian-c.o
        and symbian-base.o.
        * config/sh/sh.c (TARGET_CXX_INPUT_EXPORT_CLASS): Use
        sh_symbian_import_export_class.
        * config/sh/sh-protos.h: Fix names of exported symbian functions.
        * config/sh/symbian.c: Delete, moving code into...
        * config/sh/symbian-base.c: ... here
        * config/sh/symbian-c.c: ... and here
        * config/sh/symbian-cxx.c: ... and here.

2009-09-30  Uros Bizjak  <ubizjak@gmail.com>

        PR target/22093
        * config/alpha/alpha.md (unaligned_storehi_be): Force operand
        of plus RTX into register.

2009-09-30  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

        * doc/install.texi: Linguistic and markup fixes.
        (Configuration) <--disable-cpp>: Remove description.
        <--enable-maintainer-mode>: Autotools files are affected, too.
        <--with-sysroot>: Improve description.
        (Building): Bump required GNU make version.

2009-09-29  Harsha Jagasia  <harsha.jagasia@amd.com>

        * config.gcc (i[34567]86-*-*): Include fma4intrin.h.
        (x86_64-*-*): Ditto.

        * config/i386/fma4intrin.h: New file, provide common x86 compiler
        intrinisics for FMA4.
        * config/i386/cpuid.h (bit_FMA4): Define FMA4 bit.
        * config/i386/x86intrin.h: Fix typo to SSE4A instead of SSE4a.
        Add FMA4 check and fma4intrin.h.
        * config/i386/i386-c.c(ix86_target_macros_internal): Check
        ISA_FLAG for FMA4.
        * config/i386/i386.h(TARGET_FMA4): New macro for FMA4.
        * config/i386/i386.md (UNSPEC_FMA4_INTRINSIC): Add new UNSPEC
        constant for FMA4 support.
        (UNSPEC_FMA4_FMADDSUB): Ditto.
        (UNSPEC_FMA4_FMSUBADD): Ditto.
        * config/i386/i386.opt (-mfma4): New switch for FMA4 support.
        * config/i386/i386-protos.h (ix86_fma4_valid_op_p): Add declaration.
        (ix86_expand_fma4_multiple_memory): Ditto.
        * config/i386/i386.c (OPTION_MASK_ISA_FMA4_SET): New.
        (OPTION_MASK_ISA_FMA4_UNSET): New.
        (OPTION_MASK_ISA_SSE4A_UNSET): Change definition to depend on FMA4.
        (OPTION_MASK_ISA_AVX_UNSET): Change definition to depend on FMA4.
        (ix86_handle_option): Handle -mfma4.
        (isa_opts): Handle -mfma4.
        (enum pta_flags): Add PTA_FMA4.
        (override_options): Add FMA4 support.
        (IX86_BUILTIN_VFMADDSS): New for FMA4 intrinsic.
        (IX86_BUILTIN_VFMADDSD): Ditto.
        (IX86_BUILTIN_VFMADDPS): Ditto.
        (IX86_BUILTIN_VFMADDPD): Ditto.
        (IX86_BUILTIN_VFMSUBSS): Ditto.
        (IX86_BUILTIN_VFMSUBSD): Ditto.
        (IX86_BUILTIN_VFMSUBPS): Ditto.
        (IX86_BUILTIN_VFMSUBPD): Ditto.
        (IX86_BUILTIN_VFMADDSUBPS): Ditto.
        (IX86_BUILTIN_VFMADDSUBPD): Ditto.
        (IX86_BUILTIN_VFMSUBADDPS): Ditto.
        (IX86_BUILTIN_VFMSUBADDPD): Ditto.
        (IX86_BUILTIN_VFNMADDSS): Ditto.
        (IX86_BUILTIN_VFNMADDSD): Ditto.
        (IX86_BUILTIN_VFNMADDPS): Ditto.
        (IX86_BUILTIN_VFNMADDPD): Ditto.
        (IX86_BUILTIN_VFNMSUBSS): Ditto.
        (IX86_BUILTIN_VFNMSUBSD): Ditto.
        (IX86_BUILTIN_VFNMSUBPS): Ditto.
        (IX86_BUILTIN_VFNMSUBPD): Ditto.
        (IX86_BUILTIN_VFMADDPS256): Ditto.
        (IX86_BUILTIN_VFMADDPD256): Ditto.
        (IX86_BUILTIN_VFMSUBPS256): Ditto.
        (IX86_BUILTIN_VFMSUBPD256): Ditto.
        (IX86_BUILTIN_VFMADDSUBPS256): Ditto.
        (IX86_BUILTIN_VFMADDSUBPD256): Ditto.
        (IX86_BUILTIN_VFMSUBADDPS256): Ditto.
        (IX86_BUILTIN_VFMSUBADDPD256): Ditto.
        (IX86_BUILTIN_VFNMADDPS256): Ditto.
        (IX86_BUILTIN_VFNMADDPD256): Ditto.
        (IX86_BUILTIN_VFNMSUBPS256): Ditto.
        (IX86_BUILTIN_VFNMSUBPD256): Ditto.
        (enum multi_arg_type): New enum for describing the various FMA4
        intrinsic argument types.
        (bdesc_multi_arg): New table for FMA4 intrinsics.
        (ix86_init_mmx_sse_builtins): Add FMA4 intrinsic support.
        (ix86_expand_multi_arg_builtin): New function for creating FMA4
        intrinsics.
        (ix86_expand_builtin): Add FMA4 intrinsic support.
        (ix86_fma4_valid_op_p): New function to validate FMA4 3 and 4
        operand instructions.
        (ix86_expand_fma4_multiple_memory): New function to split the
        second memory reference from FMA4 instructions.
        * config/i386/sse.md (ssemodesuffixf4): New mode attribute for FMA4.
        (ssemodesuffixf2s): Ditto.
        (fma4_fmadd<mode>4): Add FMA4 floating point multiply/add
        instructions.
        (fma4_fmsub<mode>4): Ditto.
        (fma4_fnmadd<mode>4): Ditto.
        (fma4_fnmsub<mode>4): Ditto.
        (fma4_vmfmadd<mode>4): Ditto.
        (fma4_vmfmsub<mode>4): Ditto.
        (fma4_vmfnmadd<mode>4): Ditto.
        (fma4_vmfnmsub<mode>4): Ditto.
        (fma4_fmadd<mode>4256): Ditto.
        (fma4_fmsub<mode>4256): Ditto.
        (fma4_fnmadd<mode>4256): Ditto.
        (fma4_fnmsub<mode>4256): Ditto.
        (fma4_fmaddsubv8sf4): Ditto.
        (fma4_fmaddsubv4sf4): Ditto.
        (fma4_fmaddsubv4df4): Ditto.
        (fma4_fmaddsubv2df4): Ditto.
        (fma4_fmsubaddv8sf4): Ditto.
        (fma4_fmsubaddv4sf4): Ditto.
        (fma4_fmsubaddv4df4): Ditto.
        (fma4_fmsubaddv2df4): Ditto.
        (fma4i_fmadd<mode>4): Add FMA4 floating point multiply/add
        instructions for intrinsics.
        (fma4i_fmsub<mode>4): Ditto.
        (fma4i_fnmadd<mode>4): Ditto.
        (fma4i_fnmsub<mode>4): Ditto.
        (fma4i_vmfmadd<mode>4): Ditto.
        (fma4i_vmfmsub<mode>4): Ditto.
        (fma4i_vmfnmadd<mode>4): Ditto.
        (fma4i_vmfnmsub<mode>4): Ditto.
        (fma4i_fmadd<mode>4256): Ditto.
        (fma4i_fmsub<mode>4256): Ditto.
        (fma4i_fnmadd<mode>4256): Ditto.
        (fma4i_fnmsub<mode>4256): Ditto.
        (fma4i_fmaddsubv8sf4): Ditto.
        (fma4i_fmaddsubv4sf4): Ditto.
        (fma4i_fmaddsubv4df4): Ditto.
        (fma4i_fmaddsubv2df4): Ditto.
        (fma4i_fmsubaddv8sf4): Ditto.
        (fma4i_fmsubaddv4sf4): Ditto.
        (fma4i_fmsubaddv4df4): Ditto.
        (fma4i_fmsubaddv2df4): Ditto.

        * doc/invoke.texi (-mfma4): Add documentation.
        * doc/extend.texi (x86 intrinsics): Add FMA4 intrinsics.

2009-09-29  Richard Henderson  <rth@redhat.com>

        * tree-eh.c (unsplit_eh): Do not unsplit if there's already
        an edge to the new destination block.

2009-09-29  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        PR target/41393
        * pa.c (hppa_profile_hook): Use
        make_reg_eh_region_note_nothrow_nononlocal to add REG_EH_REGION note.

2009-09-29  Steve Ellcey  <sje@cup.hp.com>
            Alexander Monakov  <amonakov@ispras.ru>

        PR target/41365
        * config/ia64/predicates.md (not_postinc_destination_operand): New.
        (not_postinc_memory_operand): New.
        (not_postinc_move_operand): New.
        * config/ia64/ia64.md (*cmovdi_internal): Disallow autoincrement.
        (*cmovsi_internal): Ditto.

2009-09-29  Pat Haugen  <pthaugen@us.ibm.com>

        * config/rs6000/rs6000.c (rs6000_issue_rate): Don't artificially
        restrict issue_rate in first pass when scheduling for register
        pressure.

2009-09-29  Basile Starynkevitch  <basile@starynkevitch.net>
            Rafael Avila de Espindola  <espindola@google.com>

        * gengtype.c (plugin_output): New.
        (get_output_file_with_visibility): Return plugin_output for plugins.
        (main): Parse and use the -P option.
        * gty.texi: Update the command line format.

2009-09-29  Jakub Jelinek  <jakub@redhat.com>

        PR debug/41438
        * dwarf2out.c (const_ok_for_output_1, const_ok_for_output): New
        functions.
        (mem_loc_descriptor, loc_descriptor, add_const_value_attribute): Bail
        out if !const_ok_for_output.

        PR debug/41474
        * dwarf2out.c (mem_loc_descriptor) <case CONCAT, case CONCATN,
        case VAR_LOCATION>: Remove gcc_unreachable ().

2009-09-29  Harsha Jagasia  <harsha.jagasia@amd.com>

        * config.gcc (i[34567]86-*-*): Remove mmintrin-common.h.
        (x86_64-*-*): Ditto.
        * config/i386/smmintrin.h: Move instructions in mmintrin-common.h
        back to smmintrin.h.
        * config/i386/cpuid.h: (bit_SSE5): Remove SSE5 bit.
        * config/i386/x86intrin.h: Remove SSE5.
        * config/i386/mmintrin-common.h: Delete file.
        * doc/extend.texi (x86 intrinsics): Remove SSE5 flags and builtins.

2009-09-29  Richard Guenther  <rguenther@suse.de>

        * alias.c (ao_ref_from_mem): Properly deal with off decl accesses
        resulting from stack temporaries on STRICT_ALIGNMENT targets.

2009-09-29  Nick Clifton  <nickc@redhat.com>

        * function.c (current_function_name): If there is no current
        function just return "<none>".

2009-09-28  Sriraman Tallam  <tmsriram@google.com>

        * tree-pass.h (register_pass_info): New structure.
        (pass_positioning_ops): Move enum from gcc-plugin.h.
        (register_pass): New function.
        * gcc-plugin.h (plugin_pass): Delete structure.
        (pass_positioning_ops): Delete enum.
        * plugin.c (regsiter_pass): Delete function.
        (position_pass): Delete function.
        (added_pass_nodes): Delete variable.
        (prev_added_pass_nodes): Delete variable.
        (pass_list_node): Delete structure.
        * passes.c (make_pass_instance): New function.
        (next_pass_1): Change to call make_pass_instance.
        (pass_list_node): Move structure from gcc-plugin.h.
        (added_pass_nodes): Move variable from plugin.c.
        (prev_added_pass_nodes): Move variable from plugin.c.
        (position_pass): New function.
        (register_pass): New function.

2009-09-28  Easwaran Raman  <eraman@google.com>

        * ifcvt.c (noce_try_abs): Recognize pattern and call
        expand_one_cmpl_abs_nojump.
        * optabs.c (expand_one_cmpl_abs_nojump): New function.
        * optabs.h (expand_one_cmpl_abs_nojump): Declare.

2009-09-28  Ian Lance Taylor  <iant@google.com>

        PR middle-end/40500
        * c-opts.c (c_common_handle_option): Don't set
        warn_jump_misses_init for -Wall.
        * doc/invoke.texi (Warning Options): Update documentation.

2009-09-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

        * Makefile.in ($(out_object_file)): Depend on
        gt-$(basename $(notdir $(out_file))).h.

2009-09-28  Richard Henderson  <rth@redhat.com>

        * except.h (struct eh_region_d): Add use_cxa_end_cleanup.
        * except.c (gen_eh_region): Set it.
        (duplicate_eh_regions_1): Copy it.
        * tree-eh.c (lower_resx): Use it to determine which function
        to call to resume.

        * langhooks.h (struct lang_hooks): Add eh_use_cxa_end_cleanup.
        * langhooks-def.h (LANG_HOOKS_EH_USE_CXA_END_CLEANUP): New.
        * builtins.def (BUILT_IN_CXA_END_CLEANUP): New.
        * tree.c (build_common_builtin_nodes): Remove parameter.  Build
        BUILT_IN_CXA_END_CLEANUP if necessary.

        * c-common.c (c_define_builtins): Update call to
        build_common_builtin_nodes.

2009-09-28  Andrew Pinski  <andrew_pinski@playstation.sony.com>

        * spu.c (get_branch_target): Return NULL for ASM_OPERANDS patterns.

2009-09-28  Michael Matz  <matz@suse.de>

        * builtins.c (interclass_mathfn_icode): New helper.
        (expand_builtin_interclass_mathfn): Use it here, and split folding
        into ...
        (fold_builtin_interclass_mathfn): ... this new folder.
        (build_call_nofold_loc): New static helper.
        (build_call_nofold): New wrapper macro for above.
        (expand_builtin_int_roundingfn): Use it instead of build_call_expr.
        (expand_builtin_pow): Ditto.
        (expand_builtin_memset_args): Ditto.
        (expand_builtin_printf): Ditto.
        (expand_builtin_fprintf): Ditto.
        (expand_builtin_sprintf): Ditto.
        (expand_builtin_memory_chk): Ditto.
        (expand_builtin_mempcpy_args): Ditto and don't call folders.
        (expand_builtin_stpcpy): Ditto.
        (expand_builtin_strcmp): Ditto.
        (expand_builtin_strncmp): Ditto.
        (expand_builtin_strcpy): Remove FNDECL and MODE arguments.
        (expand_builtin_strcpy_args): Don't call folders.
        (expand_builtin_memcmp): Ditto.
        (expand_builtin_strncpy): Ditto, and use target.
        (expand_builtin_memcpy): Ditto.
        (expand_builtin_strstr, expand_builtin_strchr, expand_builtin_strrchr,
        expand_builtin_strpbrk, expand_builtin_memmove,
        expand_builtin_memmove_args, expand_builtin_bcopy,
        expand_builtin_memchr, expand_builtin_strcat, expand_builtin_strncat,
        expand_builtin_strspn, expand_builtin_strcspn,
        expand_builtin_fputs): Remove these.
        (expand_builtin): Don't call the above, change calls to other
        expanders that changed prototype.
        (fold_builtin_stpcpy): New folder split out from expand_builtin_stpcpy.
        (fold_builtin_1 <ISFINITE, ISINF, ISNORMAL>): Call
        fold_builtin_interclass_mathfn.
        (fold_builtin_2 <STPCPY>): Call fold_builtin_stpcpy.
        (fold_builtin_strcat): Add folding split from expand_builtin_strcat.

        * fold-const.c (fold_binary_loc <NE_EXPR>): Add !exp != 0 -> !exp.
        * passes.c (init_optimization_passes): Move pass_fold_builtins
        after last phiopt pass.
        * tree-inline.c (fold_marked_statements): When folding builtins
        iterate over all instruction potentially generated.
        * tree-ssa-ccp.c (gimplify_and_update_call_from_tree): Declare
        earlier.
        (fold_gimple_call): Use it to always fold calls (into potentially
        multiple instructions).
        * tree-ssa-dom.c (optimize_stmt): Resolve __builtin_constant_p
        calls into zero at this time.
        * tree-ssa-propagate.c (substitute_and_fold): Ignore multiple
        statements generated by builtin folding.

2009-09-28  Nick Clifton  <nickc@redhat.com>

        * config/m32r/m32r.c (m32r_is_insn): Return false for debugging insns.

2009-09-28  Duncan Sands  <baldrick@free.fr>

        * gcc-plugin.h (PLUGIN_REGISTER_GGC_CACHES): New event.
        * plugin.c (plugin_event_name): Add PLUGIN_REGISTER_GGC_CACHES.
        (register_callback): Dispatch it.
        (invoke_plugin_callbacks): Incorporate in sanity check.
        * ggc.h (ggc_register_cache_tab): Add declaration.
        * ggc-common.c (ggc_register_root_tab): Simplify.
        (const_ggc_cache_tab_t): New typedef.
        (extra_cache_vec): New vector of dynamically added cache tables.
        (ggc_register_cache_tab): New function.
        (ggc_scan_cache_tab): New function.
        (ggc_mark_roots): Simplify dynamic roots.  Handle dynamic caches.
        * doc/plugins.texi: Document PLUGIN_REGISTER_GGC_CACHES.

2009-09-27  Richard Henderson  <rth@redhat.com>

        * tree-ssa-ccp.c (optimize_stack_restore): Relax the conditions under
        which we remove __builtin_stack_restore.

2009-09-27  Bernd Schmidt  <bernd.schmidt@analog.com>

        * loop-iv.c (iv_analyze_op): Use function_invariant_p, not CONSTANT_P,
        to test for GRD_INVARIANT.
        (simple_rhs_p): Anything that's function_invariant_p is fine.

2009-09-27  Rafael Avila de Espindola  <espindola@google.com>

        * gengtype.c (main): Use plunge_files instead of plugin_output.

2009-09-27  Basile Starynkevitch  <basile@starynkevitch.net>
            Rafael Avila de Espindola  <espindola@google.com>

        * gengtype.c (write_root, write_roots): Add a emit_pch argument.
        Don't print pch related info if it is false.
        (main): Don't print pch info in plugin mode.

2009-09-27  Eric Botcazou  <ebotcazou@adacore.com>

        * dwarf2out.c (enum dw_val_class): Replace dw_val_class_long_long
        with dw_val_class_const_double.
        (struct dw_val_struct): Replace val_long_long with val_double and
        adjust for above change.
        (output_loc_operands): Likewise.
        (add_AT_long_long): Rename into...
        (add_AT_double): ...this.
        (print_die): Replace dw_val_class_long_long with
        dw_val_class_const_double and adjust.
        (attr_checksum): Likewise.
        (same_dw_val_p): Likewise.
        (size_of_die): Likewise.
        (value_format): Likewise.
        (output_die): Likewise.
        (loc_descriptor) <CONST_DOUBLE>: Likewise.
        (add_const_value_attribute) <CONST_DOUBLE>: Call add_AT_double
        instead of add_AT_long_long.
        (add_bound_info) <INTEGER_CST>: Generate the bound as an unsigned
        value with the precision of its type.

2009-09-27  Andreas Schwab  <schwab@linux-m68k.org>

        PR c/41476
        * c-typeck.c (build_conditional_expr): Use the readonly and
        volatile flags of the operand types, not of the operands itself.

2009-09-27  Peter O'Gorman  <pogma@thewrittenword.com>

        * collect2.c (main): Look for -brtl before adding libraries.

2009-09-27  Jonathan Gray  <jsg@openbsd.org>

        * config.gcc: Update OpenBSD targets.
        * config/openbsd-stdint.h: New file.
        * config/openbsd-libpthread.h: New file.
        * config/openbsd.h: Update and break out LIB_SPEC definition.
        * config/alpha/openbsd.h: Overhaul to reflect ELF migration.
        * config/i386/openbsdelf.h: Correct types.
        * config/m68k/openbsd.h: Likewise.
        * config/mips/openbsd.h: Likewise.
        * config/vax/openbsd.h: Likewise.

2009-09-27  Eric Botcazou  <ebotcazou@adacore.com>

        * fold-const.c (maybe_lvalue_p): Return false for M(IN|AX)_EXPR.
        (extract_muldiv_1) <MINUS_EXPR>: Swap operands if necessary.
        * stor-layout.c (layout_type) <ARRAY_TYPE>: Do not take the maximum
        of the length and zero.

2009-09-27  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

        * Makefile.in (TOPLEV_H): Use $(INPUT_H) not input.h.
        (FLAGS_H): Add options.h $(REAL_H).
        (SEL_SCHED_IR_H): Add $(BITMAP_H) vecprim.h $(CFGLOOP_H).
        (TREE_VECTORIZER_H): New.
        (EBITMAP_H): Renamed from EBIMAP_H.
        (c-decl.o, c-objc-common.o, c-pretty-print.o, attribs.o, c-omp.o)
        (gtype-desc.o, ggc-common.o, ggc-page.o, ggc-zone.o, langhooks.o)
        (tree.o, tree-ssa-structalias.o, tree-ssa-ter.o, tree-ssanames.o)
        (tree-phinodes.o, tree-ssa-loop.o, tree-ssa-math-opts.o)
        (gimple-low.o, omp-low.o, sese.o, graphite-blocking.o)
        (graphite-clast-to-gimple.o, graphite-dependences.o)
        (graphite-interchange.o, graphite-poly.o, graphite-scop-detection.o)
        (graphite-sese-to-poly.o, tree-vect-loop.o, tree-vect-loop-manip.o)
        (tree-vect-patterns.o, tree-vect-slp.o, tree-vect-stmts.o)
        (tree-vect-data-refs.o, tree-vectorizer.o, gimple.o, tree-mudflap.o)
        (targhooks.o, stmt.o, emit-rtl.o, ipa.o, matrix-reorg.o, ipa-inline.o)
        (gcse.o, tree-ssa-ccp.o, df-byte-scan.o, vec.o, caller-save.o)
        (ira-build.o, ira-costs.o, ira-color.o, ira-emit.o, ira.o)
        (haifa-sched.o, sched-rgn.o, sel-sched.o, sel-sched-dump.o)
        (sel-sched-ir.o, final.o, $(out_object_file)): Dependencies
        updated and fixed as per above changes and per
        check_makefile_deps.sh output.

        PR bootstrap/40928
        * configure.ac: Use $LIBS for '-ldl', not $LDFLAGS.
        * configure: Regenerate.

2009-09-26  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * doc/install.texi: Update minimum MPC version to 0.7.

2009-09-26  Gerald Pfeifer  <gerald@pfeifer.com>

        * doc/install.texi (Binaries): Remove reference to the binary
        distribution CD-ROM from the FSF.

2009-09-26  Michael Matz  <matz@suse.de>

        PR lto/40758
        PR middle-end/41470
        * tree-ssa-coalesce.c (coalesce_ssa_name): Add only SSA names
        that are mentioned in the body.

2009-09-26  Michael Matz  <matz@suse.de>

        PR tree-optimization/41454
        * tree-ssa-dom (stmts_to_rescan): Remove variable.
        (tree_ssa_dominator_optimize): Don't allocate and free it.
        (dom_opt_leave_block): Don't iterate over it.
        (eliminate_redundant_computations): Don't return a value.
        (cprop_operand, cprop_into_stmt): Ditto.
        (optimize_stmt): Don't defer updating stmts.

2009-09-25  Dodji Seketeli  <dodji@redhat.com>

        * dwarf2out.c (dwarf_tag_name, gen_generic_params_dies,
        generic_parameter_die, template_parameter_pack_die,
        gen_formal_parameter_die, gen_subprogram_die): Adjust after
        renaming DW_TAG_formal_parameter_pack and
        DW_TAG_template_parameter_pack into DW_TAG_GNU_formal_parameter_pack
        and DW_TAG_GNU_template_parameter_pack.

2009-09-25  Anatoly Sokolov  <aesok@post.ru>

        * config/v850/v850.h (FUNCTION_VALUE): Remove.
        * config/v850/v850.c (v850_function_value): New function.
        (TARGET_FUNCTION_VALUE): Define.

2009-09-25  Jakub Jelinek  <jakub@redhat.com>

        * tree-vect-stmts.c (vectorizable_call): Call
        mark_symbols_for_renaming after vect_finish_stmt_generation.

        * dwarf2out.c (tls_mem_loc_descriptor): Pass 1 instead of 2
        to loc_descriptor_from_tree.
        (add_location_or_const_value_attribute): Pass 0 instead of 2
        for decl_by_reference_p decls.

2009-09-25  Richard Guenther  <rguenther@suse.de>

        PR middle-end/41463
        * tree-dfa.c (get_ref_base_and_extent): Fix issue with trailing
        arrays again.

2009-09-25  Ben Elliston  <bje@au.ibm.com>

        * doc/invoke.texi (RS/6000 and PowerPC Options): Add missing comma
        after `power7'.

2009-09-25  Alan Modra  <amodra@bigpond.net.au>

        * config/rs6000/rs6000.md (load_toc_v4_PIC_3c): Correct POWER
        form of instruction.

2009-09-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        PR middle-end/41435
        * fold-const.c (const_binop): Handle complex int division.
        * tree-complex.c (expand_complex_div_straight,
        expand_complex_div_wide): Update comments.

2009-09-24  DJ Delorie  <dj@redhat.com>

        PR target/41456
        * config/m32c/m32c.h (REG_CLASS_CONTENTS): Add R13.
        (reg_class): Likewise.
        (REG_CLASS_NAMES): Likewise.
        * config/m32c/m32c.c (m32c_reg_class_from_constraint): Likewise.
        (m32c_override_options): Disable -fivopts for M32C.

2009-09-24  Michael Meissner  <meissner@linux.vnet.ibm.com>

        * config/rs6000/predicates.md (indexed_or_indirect_operand):
        Delete VSX load/store with update support.
        * config/rs6000/rs6000.c (rs6000_legitimate_address_p): Ditto.
        * config/rs6000/vsx.md (vsx_mov<mode>): Ditto.
        (vsx_movti): Ditto.
        (VSX_U): Delete.
        (VSbit): Ditto.
        (VStype_load_update): Ditto.
        (VStype_store_update): Ditto.
        (vsx_load<VSX_U:mode>_update_<P:mptrsize>): Ditto.
        (vsx_store<VSX_U:mode>_update_<P:mptrsize>): Ditto.

        * config/rs6000/rs6000.h (enum rs6000_builtins): Delete VSX
        load/store with update builtins.

2009-09-24  Kai Tietz  <kai.tietz@onevision.com>

        * libgcc2.c (L_trampoline): Prototype for getpagesize
        and mprotect in WINNT case.

2009-09-24  Anatoly Sokolov  <aesok@post.ru>

        * config/rs6000/rs6000.h (FUNCTION_VALUE): Remove macro.
        * config/rs6000/rs6000-protos.h (rs6000_function_value): Remove.
        * config/rs6000/rs6000.c (rs6000_function_value): Make static, add
        'outgoing' argument.
        (TARGET_FUNCTION_VALUE): Define.

2009-09-24  Iain Sandoe  <iain.sandoe@sandoe-acoustics.co.uk>

        * config/darwin.h (DWARF2_DEBUGGING_INFO): Define as 1.

2009-09-24  Iain Sandoe  <iain.sandoe@sandoe-acoustics.co.uk>

        PR bootstrap/41405
        * common.opt: Initialize dwarf_strict to -1.
        * toplev.c (process_options): Catch unset dwarf_strict
        and set to 0 for all targets not overriding.
        * config/darwin.c (darwin_override_options): Catch unset
        dwarf_strict and override to 1.

2009-09-24  Jeff Law  <law@redhat.com>

        * tree-into-ssa.c (rewrite_into_ssa): Free interesting_blocks.

2009-09-24  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/36143
        PR tree-optimization/38747
        * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Only
        create VIEW_CONVERT_EXPRs for TBAA compatible accesses.

2009-09-24  Jakub Jelinek  <jakub@redhat.com>

        PR bootstrap/41457
        * dwarf2out.c (add_const_value_attribute): For HIGH and CONST_FIXED,
        return false instead of gcc_unreachable ().  For CONST return the
        value returned by recursive call instead of always returning true.
        (tree_add_const_value_attribute): Return the value returned by
        add_const_value_attribute instead of always returning true if rtl
        is non-NULL.

2009-09-23  Justin Seyster  <jrseys@gmail.com>

        * Makefile.in (PLUGIN_HEADERS): Include real.h.

2009-09-24  Jakub Jelinek  <jakub@redhat.com>

        * cgraphunit.c (cgraph_lower_function): Revert last change.
        * targhooks.c (default_static_chain): Use !DECL_STATIC_CHAIN
        instead of DECL_NO_STATIC_CHAIN.
        * tree-cfg.c (verify_gimple_call): Likewise.
        * tree-nested.c (get_chain_decl, get_chain_field,
        convert_tramp_reference_op, convert_gimple_call): Likewise.
        (convert_all_function_calls): Likewise.  Always set or clear
        DECL_STATIC_CHAIN initially, for !n->outer clear it.
        (lower_nested_functions): Remove DECL_NO_STATIC_CHAIN checking code.
        * c-parser.c (c_parser_declaration_or_fndef): Set DECL_STATIC_CHAIN
        if nested.
        * print-tree.c (print_node): Handle DECL_STATIC_CHAIN instead of
        DECL_NO_STATIC_CHAIN.
        * config/i386/i386.c (ix86_static_chain): Use !DECL_STATIC_CHAIN
        instead of DECL_NO_STATIC_CHAIN.
        (ix86_function_regparm, find_drap_reg): Likewise.  Don't test
        decl_function_context.
        * varasm.c (initializer_constant_valid_p): Likewise.
        * tree.h (DECL_NO_STATIC_CHAIN): Renamed to ...
        (DECL_STATIC_CHAIN): ... this.
        * config/moxie/moxie.c (moxie_static_chain): Use !DECL_STATIC_CHAIN
        instead of DECL_NO_STATIC_CHAIN.

2009-09-23  Basile Starynkevitch  <basile@starynkevitch.net>
            Rafael Avila de Espindola  <espindola@google.com>

        * gengtype.c (nb_plugin_files): Make it unsigned to match
        num_gt_files. Adjust other variables to avoid warnings.
        (main): Allocate an all zero lang_bitmap before each plugin file name
        to match regular file names.

2009-09-23  Richard Henderson  <rth@redhat.com>

        * doc/tm.texi (STATIC_CHAIN, STATIC_CHAIN_INCOMING): Remove.
        (TARGET_STATIC_CHAIN): Mention that this hook must be used for
        static chain passed in memory.
        * system.h (STATIC_CHAIN, STATIC_CHAIN_INCOMING): Poison.
        * targhooks.c (default_static_chain): Don't handle STATIC_CHAIN,
        STATIC_CHAIN_INCOMING.  Issue a sorry if there's no
        STATIC_CHAIN_REGNUM defined.

        * config/picochip/picochip-protos.h: s/class/klass/.
        * config/picochip/picochip.c (TARGET_STATIC_CHAIN): New.
        (picochip_static_chain): New.
        * config/picochip/picochip.h (STATIC_CHAIN): Remove.
        (STATIC_CHAIN_INCOMING): Remove.

        * config/xtensa/xtensa.c (TARGET_STATIC_CHAIN): New.
        (xtensa_static_chain): New.
        * config/xtensa/xtensa.h (STATIC_CHAIN): Remove.
        (STATIC_CHAIN_INCOMING): Remove.

2009-09-23  Anatoly Sokolov  <aesok@post.ru>

        * config/pa/pa.h (FUNCTION_VALUE): Remove macro.
        * config/pa/pa-protos.h (function_value): Remove.
        * config/pa/pa.c (pa_function_value): Rename from function_value.
        Make static, add 'outgoing' argument.
        (TARGET_FUNCTION_VALUE): Define.

2009-09-23  Anatoly Sokolov  <aesok@post.ru>

        * config/avr/avr.c (avr_regs_to_save): Use current_function_is_leaf
        instead of cfun->machine->is_leaf.
        * config/avr/avr.h (machine_function): Remove is_leaf field.

2009-09-23  Jakub Jelinek  <jakub@redhat.com>

        PR debug/41439
        * dwarf2out.c (address_of_int_loc_descriptor): Don't emit
        DW_OP_piece after DW_OP_stack_value, adjust size calculations
        for it, when DW_OP_stack_value and DW_OP_implicit_value has
        the same size, prefer DW_OP_stack_value.
        (loc_descriptor, loc_list_for_address_of_addr_expr_of_indirect_ref,
        loc_list_from_tree): Don't emit DW_OP_piece after DW_OP_stack_value.

2009-09-23  Alexandre Oliva  <aoliva@redhat.com>

        PR debug/41353
        * var-tracking.c (add_with_sets): Sort MO_VAL_LOC last among uses.

2009-09-23  Alexandre Oliva  <aoliva@redhat.com>

        PR debug/41248
        * cfgexpand.c (convert_debug_memory_address): New.
        (expand_debug_expr): Convert base address and offset to the same
        mode.  Use it to convert addresses to other modes.  Accept
        ptr_mode addresses.

2009-09-23  Richard Guenther  <rguenther@suse.de>

        * alias.c (ao_ref_from_mem): Correct for negative MEM_OFFSET
        produced for bigendian targets with promoted subregs.

2009-09-23  Richard Guenther  <rguenther@suse.de>

        * value-prof.c (gimple_ic): Purge old EH edges only after building
        the new ones.

2009-09-23  Nick Clifton  <nickc@redhat.com>

        * config/arc/arc.c (arc_trampoline_init): Fix typo.

2009-09-23  Jakub Jelinek  <jakub@redhat.com>

        PR bootstrap/41405
        * doc/invoke.texi: Document -gstrict-dwarf and -gno-strict-dwarf.

        PR bootstrap/41436
        * cgraphunit.c (cgraph_lower_function): Set DECL_NO_STATIC_CHAIN
        on non-nested functions.

2009-09-23  Jakub Jelinek  <jakub@redhat.com>
            Jan Hubicka  <jh@suse.cz>

        * dwarf2out.c (loc_list_plus_const): Only define if
        DWARF2_DEBUGGING_INFO.
        (address_of_int_loc_descriptor): Likewise.

        PR debug/41411
        * dwarf2out.c (mem_loc_descriptor): Handle HIGH.

2009-09-23  Uros Bizjak  <ubizjak@gmail.com>

        PR c/39779
        * c-typeck.c (build_binary_op) <short_shift>: Check that integer
        constant is more than zero.

2009-09-23  Alan Modra  <amodra@bigpond.net.au>

        PR target/40473
        * config/rs6000/rs6000.c (rs6000_output_function_prologue): Don't
        call final to emit non-scheduled prologue, instead insert at entry.

2009-09-22  Loren J. Rittle  <ljrittle@acm.org>
            Joseph S. Myers  <joseph@codesourcery.com>

        * doc/install.texi (*-*-freebsd*): Add proper format codes.

2009-09-22  Basile Starynkevitch  <basile@starynkevitch.net>
            Rafael Avila de Espindola  <espindola@google.com>

        * gengtype.c (is_file_equal): New function.
        (close_output_files): Use is_file_equal. Free of->buf.

2009-09-22  Basile Starynkevitch  <basile@starynkevitch.net>
            Rafael Avila de Espindola  <espindola@google.com>

        * gengtype.c (write_types, write_local): Add the output_header
        argument. Update all callers.

2009-09-22  Dodji Seketeli  <dodji@redhat.com>

        * dwarf2out.c (template_parameter_pack_die,
        gen_formal_parameter_pack_die ): New functions.
        (make_ith_pack_parameter_name): Remove this function.
        (dwarf_tag_name): Support printing DW_TAG_template_parameter_pack and
        DW_TAG_formal_parameter_pack.
        (gen_generic_params_dies): Represent each template parameter pack
        by a DW_TAG_template_parameter_pack DIE. Argument pack elements are
        represented by usual DW_TAG_template_*_parameter DIEs that are
        children of the DW_TAG_template_parameter_pack element DIE.
        (generic_parameter_die): This doesn't deal with parameter pack
        names anymore. Don't generate DW_AT_name for some DIEs, e.g. children
        of parameter pack DIEs.
        (gen_formal_parameter_die): Add a flag to not emit DW_AT_name
        in certain cases, e.g. for pack elements.
        (gen_formal_types_die, gen_decl_die): Adjust usage of
        gen_formal_parameter_die.
        (gen_subprogram_die): Represent each function parameter pack by a
        DW_TAG_formal_parameter_pack DIE. Arguments of of the pack are
        represented by usual DW_TAG_formal_parameter DIEs that are children
        of the DW_TAG_formal_parameter_pack DIE. Remove references to
        ____builtin_va_alist decls as no part of the compiler uses those
        anymore.
        * langhooks.h (struct lang_hooks_for_decls): Add
        function_parm_expanded_from_pack_p, get_generic_function_decl
        and function_parameter_pack_p hooks.  Fix comment for
        get_innermost_generic_parms hook.
        * langhooks-def.h (LANG_HOOKS_FUNCTION_PARAMETER_PACK_P,
        LANG_HOOKS_FUNCTION_PARM_EXPANDED_FROM_PACK_P ): Declare new hook
        macros and use them to initialize lang_hook.

2009-09-22  Richard Henderson  <rth@redhat.com>

        * system.h (TRAMPOLINE_TEMPLATE, INITIALIZE_TRAMPOLINE): Poison.
        (TRAMPOLINE_ADJUST_ADDRESS): Poison.
        * target-def.h (TARGET_ASM_TRAMPOLINE_TEMPLATE): Don't conditionalize
        on TRAMPOLINE_TEMPLATE.
        (TARGET_TRAMPOLINE_ADJUST_ADDRESS): Don't conditionalize on
        TRAMPOLINE_ADJUST_ADDRESS.
        * targhooks.c (default_asm_trampoline_template): Remove.
        (default_trampoline_adjust_address): Remove.
        (default_trampoline_init): Don't handle INITIALIZE_TRAMPOLINE.
        * targhooks.h: Update decls.

2009-09-22  Dave Korn  <dave.korn.cygwin@gmail.com>

        * config/i386/cygming.h (TARGET_USE_JCR_SECTION): Enable.
        * config/i386/cygwin.h (LIBGCJ_SONAME): Define.
        * config/i386/mingw32.h (LIBGCJ_SONAME): Likewise.

2009-09-22  Alexandre Oliva  <aoliva@redhat.com>

        PR debug/41295
        * reload1.c (reload): Reset debug insns with pseudos without
        equivalences.

2009-09-22  Janis Johnson  <janis187@us.ibm.com>

        * config/i386/i386.c (ix86_scalar_mode_supported_p): Don't return
        unconditional true for decimal float modes.
        * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): Ditto.
        * config/s390/s390.c (s390_scalar_mode_supported_p): Ditto.

2009-09-22  Loren J. Rittle  <ljrittle@acm.org>

        * unwind-dw2-fde-glibc.c: Define and use USE_PT_GNU_EH_FRAME.
        Enable a new case for __FreeBSD__ >= 7.
        * crtstuff.c:  Define USE_PT_GNU_EH_FRAME for __FreeBSD__ >= 7.
        * config/t-freebsd: Define LIB2ADDEH and LIB2ADDEHDEP.
        * config/freebsd-spec.h: Conditionally define LINK_EH_SPEC
        and USE_LD_AS_NEEDED.

        * doc/install.texi (*-*-freebsd*): Update target information.

2009-09-22  Richard Guenther  <rguenther@suse.de>

        PR middle-end/41395
        * tree-dfa.c (get_ref_base_and_extent): Handle trailing
        arrays really properly.

2009-09-22  Richard Henderson  <rth@redhat.com>

        PR target/41246
        * target.h (struct gcc_target): Add asm_out.trampoline_template,
        calls.static_chain, calls.trampoline_init,
        calls.trampoline_adjust_address.
        * target-def.h (TARGET_ASM_TRAMPOLINE_TEMPLATE): New.
        (TARGET_STATIC_CHAIN, TARGET_TRAMPOLINE_INIT): New.
        (TARGET_TRAMPOLINE_ADJUST_ADDRESS): New.
        * builtins.c (expand_builtin_setjmp_receiver): Use
        targetm.calls.static_chain; only clobber registers.
        (expand_builtin_init_trampoline): Use targetm.calls.trampoline_init;
        set up memory attributes properly for the trampoline block.
        (expand_builtin_adjust_trampoline): Use
        targetm.calls.trampoline_adjust_address.
        * calls.c (prepare_call_address): Add fndecl argument.  Use
        targetm.calls.static_chain.
        * df-scan.c (df_need_static_chain_reg): Remove.
        (df_get_entry_block_def_set): Use targetm.calls.static_chain;
        consolodate static chain handling.
        * doc/tm.texi: Document new hooks.
        * emit-rtl.c (static_chain_rtx, static_chain_incoming_rtx): Remove.
        (init_emit_regs): Don't initialize them.
        * expr.h (prepare_call_address): Update decl.
        * final.c (profile_function): Use targetm.calls.static_chain.
        * function.c (expand_function_start): Likewise.
        * rtl.h (static_chain_rtx, static_chain_incoming_rtx): Remove.
        * stmt.c (expand_nl_goto_receiver): Use targetm.calls.static_chain;
        only clobber registers.
        * targhooks.c (default_static_chain): New.
        (default_asm_trampoline_template, default_trampoline_init): New.
        (default_trampoline_adjust_address): New.
        * targhooks.h: Declare them.
        * varasm.c (assemble_trampoline_template): Use
        targetm.asm_out.trampoline_template.  Make the memory block const
        and set its size.

        * config/alpha/alpha.c (alpha_trampoline_init): Rename from
        alpha_initialize_trampoline.  Make static.  Merge VMS parameter
        differences into the TARGET_ABI_OPEN_VMS code block.
        (TARGET_TRAMPOLINE_INIT): New.
        * config/alpha/alpha.h (TRAMPOLINE_TEMPLATE): Remove.
        (TRAMPOLINE_SECTION, INITIALIZE_TRAMPOLINE): Remove.
        * config/alpha/vms.h (TRAMPOLINE_SIZE, TRAMPOLINE_ALIGNMENT): Remove.
        (INITIALIZE_TRAMPOLINE): Remove.

        * config/arc/arc.h (TRAMPOLINE_ALIGNMENT): New.
        (TRAMPOLINE_TEMPLATE): Merge with ...
        (INITIALIZE_TRAMPOLINE): ... this and move ...
        * config/arc/arc.c (arc_trampoline_init): ... here.
        (TARGET_TRAMPOLINE_INIT): New.

        * config/arm/arm.c (TARGET_ASM_TRAMPOLINE_TEMPLATE): New.
        (TARGET_TRAMPOLINE_INIT, TARGET_TRAMPOLINE_ADJUST_ADDRESS): New.
        (arm_asm_trampoline_template): New.
        (arm_trampoline_init, arm_trampoline_adjust_address): New.
        * config/arm/arm.h (TRAMPOLINE_TEMPLATE, ARM_TRAMPOLINE_TEMPLATE,
        THUMB2_TRAMPOLINE_TEMPLATE, THUMB1_TRAMPOLINE_TEMPLATE): Move all
        code to arm_asm_trampoline_template.
        (TRAMPOLINE_ADJUST_ADDRESS): Move code to
        arm_trampoline_adjust_address.
        (INITIALIZE_TRAMPOLINE): Move code to arm_trampoline_init;
        adjust for target hook parameters.

        * config/avr/avr.h (TRAMPOLINE_TEMPLATE, INITIALIZE_TRAMPOLINE):
        Remove.

        * config/bfin/bfin-protos.h (initialize_trampoline): Remove.
        * config/bfin/bfin.c (bfin_asm_trampoline_template): New.
        (bfin_trampoline_init): Rename from initialize_trampoline;
        make static; update for target hook parameters.
        (TARGET_ASM_TRAMPOLINE_TEMPLATE, TARGET_TRAMPOLINE_INIT): New.
        * config/bfin/bfin.h (TRAMPOLINE_TEMPLATE): Move code to
        bfin_asm_trampoline_template.
        (INITIALIZE_TRAMPOLINE): Remove.

        * config/cris/cris.c (TARGET_ASM_TRAMPOLINE_TEMPLATE,
        TARGET_TRAMPOLINE_INIT, cris_asm_trampoline_template,
        cris_trampoline_init): New.
        * config/cris/cris.h (TRAMPOLINE_TEMPLATE): Move code to
        cris_asm_trampoline_template.
        (INITIALIZE_TRAMPOLINE): Move code to cris_trampoline_init;
        adjust for target hook parameters.

        * config/crx/crx.h (INITIALIZE_TRAMPOLINE): Remove.

        * config/fr30/fr30.c (TARGET_ASM_TRAMPOLINE_TEMPLATE,
        TARGET_TRAMPOLINE_INIT, fr30_asm_trampoline_template,
        fr30_trampoline_init): New.
        * config/fr30/fr30.h (TRAMPOLINE_TEMPLATE): Move code to
        fr30_asm_trampoline_template.
        (INITIALIZE_TRAMPOLINE): Move code to fr30_trampoline_init;
        adjust for target hook parameters.

        * config/frv/frv.c (TARGET_TRAMPOLINE_INIT): New.
        (frv_trampoline_init): Rename from frv_initialize_trampoline;
        make static, adjust arguments for TARGET_TRAMPOLINE_INIT hook.
        * config/frv/frv.h (INITIALIZE_TRAMPOLINE): Remove.
        * config/frv/frv-protos.h (frv_initialize_trampoline): Remove.

        * config/h8300/h8300.c (h8300_trampoline_init): New.
        (TARGET_TRAMPOLINE_INIT): New.
        * config/h8300/h8300.h (INITIALIZE_TRAMPOLINE): Move code
        to h8300_trampoline_init and adjust for hook parameters.

        * config/ia64/ia64-protos.h (ia64_initialize_trampoline): Remove.
        * config/ia64/ia64.c (TARGET_TRAMPOLINE_INIT): New.
        (ia64_trampoline_init): Rename from ia64_initialize_trampoline;
        make static; adjust for hook parameters.
        * config/ia64/ia64.h (INITIALIZE_TRAMPOLINE): Remove.

        * config/iq2000/iq2000.c (TARGET_ASM_TRAMPOLINE_TEMPLATE): New.
        (TARGET_TRAMPOLINE_INIT): New.
        (iq2000_asm_trampoline_template, iq2000_trampoline_init): New.
        * config/iq2000/iq2000.h (TRAMPOLINE_TEMPLATE): Move code to
        iq2000_asm_trampoline_template.
        (INITIALIZE_TRAMPOLINE): Move code to iq2000_trampoline_init.
        (TRAMPOLINE_CODE_SIZE): New.
        (TRAMPOLINE_SIZE): Use it.
        (TRAMPOLINE_ALIGNMENT): Follow Pmode.

        * config/m32c/m32c-protos.h (m32c_initialize_trampoline): Remove.
        * config/m32c/m32c.c (TARGET_TRAMPOLINE_INIT): New.
        (m32c_trampoline_init): Rename from m32c_initialize_trampoline;
        adjust for hook parameters.
        * config/m32c/m32c.h (INITIALIZE_TRAMPOLINE): Remove.

        * config/m32r/m32r.c (TARGET_TRAMPOLINE_INIT): New.
        (m32r_trampoline_init): New.
        * config/m32r/m32r.h (INITIALIZE_TRAMPOLINE): Move code to
        m32r_trampoline_init.

        * config/m68hc11/m68hc11.c (TARGET_TRAMPOLINE_INIT): New.
        (m68hc11_trampoline_init): Rename from m68hc11_initialize_trampoline;
        make static; update for hook parameters.
        * config/m68hc11/m68hc11-protos.h: Update.
        * config/m68hc11/m68hc11.h (INITIALIZE_TRAMPOLINE): Remove.

        * config/mcore/mcore.c (TARGET_ASM_TRAMPOLINE_TEMPLATE): New.
        (TARGET_TRAMPOLINE_INIT): New.
        (mcore_function_value): Fix typo.
        (mcore_asm_trampoline_template, mcore_trampoline_init): New.
        * config/mcore/mcore.h (TRAMPOLINE_TEMPLATE): Move code
        to mcore_asm_trampoline_template.
        (INITIALIZE_TRAMPOLINE): Move code to mcore_trampoline_init.

        * config/mep/mep.h (INITIALIZE_TRAMPOLINE): Remove.
        * config/mep/mep.c (TARGET_TRAMPOLINE_INIT): New.
        (mep_trampoline_init): Rename from mep_init_trampoline; make static;
        update for hook parameters.
        * config/mep/mep-protos.h (mep_init_trampoline): Remove.

        * config/mips/mips.c (TARGET_ASM_TRAMPOLINE_TEMPLATE,
        mips_asm_trampoline_template, TARGET_TRAMPOLINE_INIT,
        mips_trampoline_init): New.
        * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Move code to
        mips_asm_trampoline_template.
        (INITIALIZE_TRAMPOLINE): Move code to mips_trampoline_init;
        update for hook parameters.

        * gcc/config/mmix/mmix.c (TARGET_ASM_TRAMPOLINE_TEMPLATE): New.
        (TARGET_TRAMPOLINE_INIT): New.
        (mmix_trampoline_size): Remove.
        (mmix_asm_trampoline_template): Rename from mmix_trampoline_template;
        make static.  Remove out-of-date tetra vs octa comment.
        (mmix_trampoline_init): Rename from mmix_initialize_trampoline;
        make static; update for hook parameters.
        * config/mmix/mmix.h (TRAMPOLINE_TEMPLATE): Remove.
        (INITIALIZE_TRAMPOLINE): Remove.
        (TRAMPOLINE_SIZE): Use a constant instead of mmix_trampoline_size.
        (TRAMPOLINE_ALIGNMENT): New.
        * gcc/config/mmix/mmix-protos.h: Update.

        * config/mn10300/mn10300.c (TARGET_ASM_TRAMPOLINE_TEMPLATE,
        mn10300_asm_trampoline_template, TARGET_TRAMPOLINE_INIT,
        mn10300_trampoline_init): New.
        * config/mn10300/mn10300.h (TRAMPOLINE_TEMPLATE): Move code to
        mn10300_asm_trampoline_template.
        (INITIALIZE_TRAMPOLINE): Move code to mn10300_trampoline_init.

        * config/moxie/moxie.c (moxie_static_chain,
        moxie_asm_trampoline_template, moxie_trampoline_init,
        TARGET_STATIC_CHAIN, TARGET_ASM_TRAMPOLINE_TEMPLATE,
        TARGET_TRAMPOLINE_INIT): New.
        * config/moxie/moxie.h (INITIALIZE_TRAMPOLINE): Move code to
        moxie_trampoline_init.
        (TRAMPOLINE_TEMPLATE): Move code to moxie_asm_trampoline_template.
        (STATIC_CHAIN, STATIC_CHAIN_INCOMING): Remove.

        * gcc/config/pa/pa.c (TARGET_ASM_TRAMPOLINE_TEMPLATE,
        pa_asm_trampoline_template, TARGET_TRAMPOLINE_INIT,
        pa_trampoline_init, TARGET_TRAMPOLINE_ADJUST_ADDRESS,
        pa_trampoline_adjust_address): New.
        * config/pa/pa.h (TRAMPOLINE_TEMPLATE): Move code to
        pa_asm_trampoline_template.
        (TRAMPOLINE_ALIGNMENT): New.
        (TRAMPOLINE_CODE_SIZE): Move to pa.c.
        (INITIALIZE_TRAMPOLINE): Move code to pa_trampoline_init;
        adjust for hook parameters.
        (TRAMPOLINE_ADJUST_ADDRESS): Move code to pa_trampoline_adjust_address.

        * config/pdp11/pdp11.c (pdp11_trampoline_init): New.
        (TARGET_TRAMPOLINE_INIT): New.
        * config/pdp11/pdp11.h (TRAMPOLINE_TEMPLATE): Remove.
        (INITIALIZE_TRAMPOLINE): Move code to pdp11_trampoline_init.

        * config/picochip/picochip.h (INITIALIZE_TRAMPOLINE): Remove.

        * config/rs6000/rs6000-protos.h (rs6000_initialize_trampoline): Remove.
        * config/rs6000/rs6000.c (TARGET_TRAMPOLINE_INIT): New.
        (rs6000_trampoline_init): Rename from rs6000_initialize_trampoline;
        make static; adjust parameters for the hook.
        * config/rs6000/rs6000.h (INITIALIZE_TRAMPOLINE): Remove.

        * config/s390/s390.c (s390_asm_trampoline_template): Rename from
        s390_trampoline_template; make static.
        (s390_trampoline_init): Rename from s390_initialize_trampoline;
        make static; adjust for target hook.
        (TARGET_ASM_TRAMPOLINE_TEMPLATE, TARGET_TRAMPOLINE_INIT): New.
        * config/s390/s390-protos.h: Remove trampoline decls.
        * config/s390/s390.h (INITIALIZE_TRAMPOLINE): Remove.
        (TRAMPOLINE_TEMPLATE): Remove.
        (TRAMPOLINE_ALIGNMENT): New.

        * config/score/score-protos.h (score_initialize_trampoline): Remove.
        * config/score/score.c (TARGET_ASM_TRAMPOLINE_TEMPLATE): New.
        (TARGET_TRAMPOLINE_INIT): New.
        (score_asm_trampoline_template): New.
        (score_trampoline_init): Rename from score_initialize_trampoline;
        make static; adjust for hook parameters.
        * config/score/score.h (TRAMPOLINE_TEMPLATE): Move code to
        score[37]_asm_trampoline_template.
        (INITIALIZE_TRAMPOLINE): Remove.
        * config/score/score3.c (score3_asm_trampoline_template): New.
        (score3_trampoline_init): Rename from score3_initialize_trampoline;
        adjust for target hook.
        * config/score/score7.c (score7_asm_trampoline_template): New.
        (score7_trampoline_init): Rename from score7_initialize_trampoline;
        adjust for target hook.
        * config/score/score3.h, config/score/score7.h: Update.

        * config/sh/sh-protos.h (sh_initialize_trampoline): Remove.
        * config/sh/sh.c (TARGET_TRAMPOLINE_INIT): New.
        (TARGET_TRAMPOLINE_ADJUST_ADDRESS): New.
        (sh_trampoline_init): Rename from sh_initialize_trampoline;
        make static; adjust for target hook parameters.
        (sh_trampoline_adjust_address): New.
        * config/sh/sh.h (INITIALIZE_TRAMPOLINE): New.
        (TRAMPOLINE_ADJUST_ADDRESS): Move code to sh_trampoline_adjust_address.

        * config/sparc/sparc.c (TARGET_TRAMPOLINE_INIT): New.
        (sparc32_initialize_trampoline): Rename from
        sparc_initialize_trampoline; make static; replace tramp parameter
        with m_tramp and update memory accesses.
        (sparc64_initialize_trampoline): Similarly.
        (sparc_trampoline_init): New.
        * config/sparc/sparc-protos.h: Remove trampoline decls.
        * config/sparc/sparc.h (INITIALIZE_TRAMPOLINE): Remove.
        * config/sparc/sparc.md (nonlocal_goto): Don't use static_chain_rtx.

        * config/spu/spu.c (TARGET_TRAMPOLINE_INIT): New.
        (array_to_constant): Make ARR parameter const.
        (spu_trampoline_init): Rename from spu_initialize_trampoline;
        make static; update for hook parameters.
        * config/spu/spu-protos.h: Update decls.
        * config/spu/spu.h (INITIALIZE_TRAMPOLINE): Remove.

        * config/stormy16/stormy16.c (xstormy16_trampoline_init): Rename
        from xstormy16_initialize_trampoline; make static; update for
        hook parameters.
        (TARGET_TRAMPOLINE_INIT): New.
        * config/stormy16/stormy16.h (INITIALIZE_TRAMPOLINE): Remove.

        * config/v850/v850.c (TARGET_ASM_TRAMPOLINE_TEMPLATE): New.
        (TARGET_TRAMPOLINE_INIT): New.
        (v850_can_eliminate): Make static.
        (v850_asm_trampoline_template, v850_trampoline_init): New.
        * config/v850/v850.h (TRAMPOLINE_TEMPLATE): Move code to
        v850_asm_trampoline_template.
        (INITIALIZE_TRAMPOLINE): Move code to v850_trampoline_init
        and adjust for target hook parameters.

        * config/vax/vax.c (TARGET_ASM_TRAMPOLINE_TEMPLATE): New.
        (TARGET_TRAMPOLINE_INIT): New.
        (vax_asm_trampoline_template, vax_trampoline_init): New.
        * config/vax/vax.h (TRAMPOLINE_TEMPLATE): Move code to
        vax_asm_trampoline_template.
        (INITIALIZE_TRAMPOLINE): Move code to vax_trampoline_init.

        * config/xtensa/xtensa.c (TARGET_ASM_TRAMPOLINE_TEMPLATE): New.
        (TARGET_TRAMPOLINE_INIT): New.
        (xtensa_asm_trampoline_template): Rename from
        xtensa_trampoline_template; make static.
        (xtensa_trampoline_init): Rename from xtensa_initialize_trampoline;
        make static; update for hook parameters.
        * config/xtensa/xtensa-protos.h: Remove trampoline decls.
        * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Remove.
        (INITIALIZE_TRAMPOLINE): Remove.

        * config/i386/i386.c (ix86_function_regparm): Do not issue an
        error for nested functions with regparm=3.
        (ix86_compute_frame_layout): Adjust frame pointer offset for
        ix86_static_chain_on_stack.
        (ix86_expand_prologue): Handle ix86_static_chain_on_stack.
        (ix86_emit_restore_reg_using_pop): Increment ix86_cfa_state->offset,
        don't reset to UNITS_PER_WORD.
        (ix86_emit_leave): Adjust ix86_cfa_state.
        (ix86_expand_epilogue): Handle ix86_static_chain_on_stack.
        (ix86_static_chain): New.
        (ix86_trampoline_init): Rename from x86_initialize_trampoline;
        make static; update for target hook parameters; use ix86_static_chain.
        (TARGET_STATIC_CHAIN, TARGET_TRAMPOLINE_INIT): New.
        * config/i386/i386.h (STATIC_CHAIN_REGNUM): Remove.
        (INITIALIZE_TRAMPOLINE): Remove.
        (TRAMPOLINE_SIZE): Use 24 for 64-bit.
        (struct machine_function): Use BOOL_BITFIELD; rearrange bitfields
        to the end.  Add static_chain_on_stack.
        (ix86_static_chain_on_stack): New.

        * config/m68k/m68k.c (TARGET_TRAMPOLINE_INIT): New.
        (m68k_output_mi_thunk): Don't use static_chain_rtx.
        (m68k_trampoline_init): New.
        * config/m68k/m68k.h (INITIALIZE_TRAMPOLINE): Move code to
        m68k_trampoline_init and adjust for hook parameters.
        * config/m68k/netbsd-elf.h (TRAMPOLINE_TEMPLATE): Remove.
        (TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE): Remove.

2009-09-22  Jakub Jelinek  <jakub@redhat.com>

        * config/rs6000/rs6000.c (bdesc_2arg): Fix CODE_FOR_vector_gt* codes
        for __builtin_altivec_vcmpgt{sb,uh,sh,uw}.

        * reload1.c (reload): Call wrap_constant when substituting
        reg for equiv inside of DEBUG_INSNs.

        PR bootstrap/41405
        * dwarf2out.c (base_type_die, record_type_tag, gen_subprogram_die,
        add_call_src_coords_attributes, add_high_low_attributes,
        gen_compile_unit_die, gen_type_die_with_usage force_decl_die,
        gen_decl_die, dwarf2out_imported_module_or_decl_1, dwarf2out_finish,
        dwarf2out_imported_module_or_decl): Avoid using DWARF3 additions
        when -gdwarf-2 -gstrict-dwarf.
        (loc_list_from_tree): Likewise.  Avoid using DWARF4 additions when
        -gdwarf-[23] -gstrict-dwarf.
        (address_of_int_loc_descriptor, loc_descriptor,
        loc_list_for_address_of_addr_expr_of_indirect_ref): Avoid using
        DWARF4 additions when -gdwarf-[23] -gstrict-dwarf.
        * common.opt (gno-strict-dwarf, gstrict-dwarf): New options.

2009-09-22  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/41428
        * tree-ssa-ccp.c (ccp_fold_stmt): New function.
        (ccp_finalize): Pass it to substitute_and_fold.

2009-09-22  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-propagate.h (ssa_prop_fold_stmt_fn): Declare.
        (substitute_and_fold): Adjust prototype.
        * tree-vrp.c (vrp_evaluate_conditional): Make static.
        (simplify_stmt_using_ranges): Likewise.
        (fold_predicate_in): Move here from tree-ssa-propagate.c.
        (vrp_fold_stmt): New function.
        (vrp_finalize): Pass it to substitute_and_fold.
        * tree-flow.h (vrp_evaluate_conditional): Remove.
        (simplify_stmt_using_ranges): Likewise.
        * tree-ssa-ccp.c (ccp_finalize): Adjust call to substitute_and_fold.
        * tree-ssa-copy.c (fini_copy_prop): Likewise.
        * tree-ssa-propagate.c (struct prop_stats_d): Rename num_pred_folded
        member.
        (fold_predicate_in): Move to tree-vrp.c.
        (substitute_and_fold): Use the callback instead of calling into
        tree-vrp.c functions directly.

2009-09-22  Jakub Jelinek  <jakub@redhat.com>

        * dwarf2out.c (address_of_int_loc_descriptor): Avoid signed/unsigned
        comparison warning on rs6000.

        PR middle-end/41429
        * tree-cfg.c (remove_useless_stmts_tc): Call gsi_next (gsi) even for
        GIMPLE_EH_MUST_NOT_THROW cleanup.
        (verify_types_in_gimple_stmt): Handle GIMPLE_EH_MUST_NOT_THROW.

2009-09-22  Jack Howarth  <howarth@bromo.med.uc.edu>

        PR middle-end/41260
        * gcc/config.gcc: Use darwin9.h and darwin10.h on darwin10 and later.
        * gcc/config/darwin10.h: Add file to pass -no_compact_unwind on
        LIB_SPEC for darwin10 and later since it always uses the unwinder in
        libSystem which is derived from the gcc 4.2.1 unwinder.

2009-09-22  Dave Korn  <dave.korn.cygwin@gmail.com>

        PR middle-end/41357
        * varasm.c (default_encode_section_info): Copy TLS model into
        sym_ref flags regardless of backend support for TLS, for all
        model types except TLS_MODEL_EMULATED.

2009-09-22  Dave Korn  <dave.korn.cygwin@gmail.com>

        PR bootstrap/41404
        * dwarf2out.c (mem_loc_descriptor): Punt on CONST_STRING until
        we can handle it correctly.

2009-09-21  Gerald Pfeifer  <gerald@pfeifer.com>

        * doc/install.texi (os2): Remove section.

2009-09-21  Gerald Pfeifer  <gerald@pfeifer.com>

        * doc/standards.texi (Objective-C): Adjust two URLs.

2009-09-21  Giuseppe Scrivano <gscrivano@gnu.org>

        * tree-tailcall.c (process_assignment): Don't check if a
        multiplication or an addition are already present.
        (find_tail_calls): Combine multiple additions and multiplications.
        (adjust_accumulator_values): Emit accumulators.

2009-09-21  Kai Tietz  <kai.tietz@onevision.com>

        * config/i386/i386.c (ix86_expand_epilogue): Adjust offset for
        xmm register restore.

2009-09-21  Jan Hubicka  <jh@suse.cz>

        * dwarf2out.c (decl_loc_table_eq): Allow decl_loc_table to be NULL.
        (dwarf2out_abstract_function): NULLify decl_loc_table at begginig and
        restore at the end.

2009-09-21  Eric Botcazou  <ebotcazou@adacore.com>

        * stor-layout.c (layout_type): Remove obsolete code.

2009-09-20  H.J. Lu  <hongjiu.lu@intel.com>

        PR middle-end/41395
        * opts.c (decode_options): Don't turn on flag_ipa_sra for opt2.

2009-09-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        PR middle-end/30789
        * builtins.c (do_mpc_arg2): Accept DO_NONFINITE parameter.
        (do_mpc_ckconv): Accept FORCE_CONVERT parameter.
        (fold_builtin_2, do_mpc_arg1): Update accordingly.
        * fold-const.c (const_binop): Likewise.
        * real.h (do_mpc_arg2): Update prototype.

2009-09-20  Jan Hubicka  <jh@suse.cz>

        * dwarf2out.c (add_const_value_attribute): Return true if successful.
        (add_location_or_const_value_attribute): Rewrite using
        loc_list_from_tree.
        (tree_add_const_value_attribute): Return true if successful.
        (tree_add_const_value_attribute_for_decl): Likewise.

        * dwarf2out.c (address_of_int_loc_descriptor): Break out from ...
        (loc_descriptor): ... here;
        (loc_list_for_address_of_addr_expr_of_indirect_ref): New function.
        (cst_pool_loc_descr): Break out from ...; do not reffer constant
        pool items that was not marked for output.
        (loc_list_from_tree): ... here; handle special cases of ADDR_EXPR;
        (loc_list_for_address_of_addr_expr_of_indirect_ref): New function.
        (loc_list_for_address_of_addr_expr_of_indirect_ref): New function.
        handle ALIGN_INDIRECT_REF, MISALIGNED_INDIRECT_REF, REALPART_EXPR,
        IMAGPART_EXPR; handle address of INTEGER_CST; improve handling of
        CONSTRUCTOR; handle REAL_CST, STRING_CST, COMPLEX_CST; use
        DW_OP_stack_value to get address of items that are not available
        as addresses.
        (dw_loc_list): Handle single element lists correctly.

2009-09-20  Kai Tietz  <kai.tietz@onevision.com>
            Pascal Obry  <obry@adacore.com>

        * unwind-dw2-fde.c (classify_object_over_fdes):
        Cast the constant 1 to _Unwind_Ptr.
        (add_fdes): Likewise.
        (linear_search_fdes): Likewise.

2009-09-20  Eric Botcazou  <ebotcazou@adacore.com>

        * stor-layout.c (set_sizetype): Avoid useless type copy.

2009-09-20  Richard Sandiford  <rdsandiford@googlemail.com>

        * configure.ac (gcc_cv_ld_mips_personality_relaxation): New
        feature check.
        (HAVE_LD_PERSONALITY_RELAXATION): New macro definition.
        * configure, config.in: Regenerate.
        * dwarf2asm.c (eh_data_format_name): Handle DW_EH_PE_indirect |
        DW_EH_PE_absptr.
        * config/mips/mips.h (TARGET_WRITABLE_EH_FRAME): New macro.
        (ASM_PREFERRED_EH_DATA_FORMAT): Define.  Use MIPS_EH_INDIRECT
        for global data if the output could be used in a shared library.
        * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
        to 0 if TARGET_WRITABLE_EH_FRAME.

2009-09-20  Paolo Bonzini <bonzini@gnu.org>

        PR rtl-optimization/39886
        * combine.c (update_cfg_for_uncondjump): Set EDGE_FALLTHRU
        just when insn is equal to BB_END (bb).

2009-09-19  Adam Nemet  <anemet@caviumnetworks.com>

        * config/mips/mips.opt (mrelax-pic-calls): New option.
        * config/mips/mips.c (mips_strip_unspec_address): Move it up in
        the file.
        (mips_unspec_call): Change "unspec_call" expander into this.
        (mips_strip_unspec_call): New function.
        (mips_got_load): Call mips_unspec_call instead of
        gen_unspec_call<mode>.
        (mips16_build_call_stub): Fix comment for fp_code.  Adjust call to
        MIPS_CALL.
        (mips_cfg_in_reorg): New function.
        (mips16_lay_out_constants): Use it to decide whether to call
        CFG-aware insn splitting.
        (r10k_insert_cache_barriers): Move CFG set-up code from here to
        mips_reorg.  Move DF set-up code from here ...
        (mips_df_reorg): ... to here.  Call r10k_insert_cache_barriers
        from here.
        (mips_reorg): Call mips_df_reorg instead of
        r10k_insert_cache_barriers.  Move CFG set-up code here from
        r10k_insert_cache_barriers.
        (mips_call_expr_from_insn): New function.
        (mips_pic_call_symbol_from_set): Likewise.
        (mips_find_pic_call_symbol): Likewise.
        (mips_annotate_pic_call_expr): Likewise.
        (mips_get_pic_call_symbol): Likewise.
        (mips_annotate_pic_calls): Likewise.
        (mips_override_options): Disable -mrelax-pic-calls unless PIC
        calls are used.
        (mips_set_mips16_mode): Disable -mrelax-pic-calls for MIPS16.
        * config/mips/mips-protos.h (mips_get_pic_call_symbol): Declare it.
        * config/mips/mips.h (MIPS_CALL): Use it to print the .reloc
        directive.
        * config/mips/mips.md (UNSPEC_CALL_ATTR): New unspec.
        (unspec_call<mode>): Remove it.
        (sibcall_internal, sibcall_value_internal,
        sibcall_value_multiple_internal, call_internal, call_split,
        call_value_internal, call_value_split,
        call_value_multiple_internal, call_value_multiple_split): Pass
        SIZE_OPNO to MIPS_CALL.
        (call_internal_direct, call_direct_split,
        call_value_internal_direct, call_value_direct_split): Pass -1 as
        SIZE_OPNO to MIPS_CALL.
        * configure.ac <mips*-*-*>: Add test for .reloc R_MIPS_JALR.
        * configure: Regenerate.
        * doc/invoke.texi (Option Summary): Add -mrelax-pic-calls
        and -mno-relax-pic-calls.
        (MIPS Options): Document -mrelax-pic-calls and -mno-relax-pic-calls.

2009-09-19  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

        PR bootstrap/35619
        * Makefile.in (stmp-fixinc): Ensure `include-fixed' is created
        in the directory this rule is called from, rather than the
        toplevel 'gcc' directory, to fix in-tree build.

2009-09-19  Chris Demetriou  <cgd@google.com>

        PR preprocessor/28435:
        * c-opts.c (c_common_handle_option): For -MD and -MMD, indicate
        to cpplib that the preprocessor output is needed.

2009-09-19  Jakub Jelinek  <jakub@redhat.com>

        * config/rs6000/rs6000.md (*save_gpregs_<mode>, *save_fpregs_<mode>,
        *restore_gpregs_<mode>, *return_and_restore_gpregs_<mode>,
        *return_and_restore_fpregs_<mode>,
        *return_and_restore_fpregs_aix_<mode>): Remove 'z' operand modifier.

        PR bootstrap/41397
        * dwarf2out.c (mem_loc_descriptor) <case SUBREG>: Recurse
        instead of assuming it has always a REG inside of it.

2009-09-18  Gerald Pfeifer  <gerald@pfeifer.com>

        * config/freebsd.h: Update comment on types.
        (WINT_TYPE): Define.

2009-09-18  Jason Merrill  <jason@redhat.com>

        * c.opt: Add -fno-deduce-init-list.

2009-09-18  Neil Vachharajani  <nvachhar@google.com>

        * value-prof.c (interesting_stringop_to_profile_p): Added output
        argument to indicate which parameter is the size parameter.
        * value-prof.c (gimple_stringop_fixed_value): Use
        INTERESTING_STRINGOP_TO_PROFILE_P to find size argument.
        * value-prof.c (gimple_stringops_transform): Update call sites to
        INTERESTING_STRINGOP_TO_PROFILE_P to reflect parameter change.

2009-09-18  Uros Bizjak  <ubizjak@gmail.com>

        PR target/38288
        From David Binderman <dcb314@hotmail.com>:
        * gcc/config/i386/i386.c (ix86_function_regparm): Remove useless
        local variable f.  Remove stale comments.
        (ix86_compute_frame_layout): Remove useless local variable total_size.
        Remove #if 0'd code.
        (legitimate_address_p): Remove useless local variables
        reason_rtx and reason.
        (ix86_split_copysign_const): Remove useless local variable op1.
        (scale_counter): Remove useless local variable piece_size_mask.

2009-09-18  Jakub Jelinek  <jakub@redhat.com>

        * stmt.c (expand_asm_operands): Set REG_ATTRS on the temporary from
        output decl.

2009-09-17  Michael Haubenwallner  <michael.haubenwallner@salomon.at>

        PR target/40913
        * config/pa/t-hpux-shlib: Set soname in libgcc_s.sl.

2009-09-17  Jakub Jelinek  <jakub@redhat.com>

        * c-decl.c (finish_struct): Adjust DECL_SOURCE_LOCATION of
        TYPE_STUB_DECL.

2009-09-17  Alexandre Oliva  <aoliva@redhat.com>

        * dwarf2out.c (loc_descriptor): Emit DW_OP_stack_value and
        DW_OP_implicit_value even without dwarf_version 4.

2009-09-17  Jan Hubicka  <jh@suse.cz>

        * dwarf2out.c: Include tree-pass.h and gimple.h.
        (loc_list_plus_const): New function.
        (loc_descriptor_from_tree_1): Rename to ...
        (loc_descriptor_from_tree): ... remove original.
        (loc_list_from_tree): New function.
        (add_AT_location_description): Accept location list.
        (tls_mem_loc_descriptor): Update call of loc_descriptor_from_tree.
        (concatn_mem_loc_descriptor): Remove.
        (mem_loc_descriptor): Handle CONCAT/CONCATN and VAR_LOCATION by
        returning NULL.
        (secname_for_decl): Move up.
        (hidden_reference_p): New function; break out from ...
        (loc_by_refernece): ... here; move up.
        (dw_loc_list): New function.
        (single_element_loc_list): New function.
        (single_element_loc_list_p): New function.
        (add_loc_descr_to_each): New function.
        (add_loc_list): New function.
        (loc_descr_from_tree): Make wraper of loc_list_from_tree.
        (loc_list_from_tree): Reroganized from loc_descr_from_tree;
        add diagnostics why expansion failed.
        (add_location_or_const_value_attribute): Support location lists.
        (add_bound_info): Likewise.
        (descr_info_loc): Update call of loc_descriptor_from_tree.
        (gen_variable_die): Work on location lists.
        * final.c (pass_final): Add dump file.
        * Makefile.in (dwarf2out.o): Add new dependencies.

2009-09-17  Janis Johnson  <janis187@us.ibm.com>

        PR c/41049
        * real.c decimal_from_integer, decimal_integer_string): New.
        (real_from_integer): Use them as special case for decimal float.
        * config/dfp-bit.c (_si_to_sd, _usi_to_sd): Use default rounding.
        (_di_to_sd, _di_to_dd, _di_to_td, _udi_to_sd, _udi_to_dd, _udi_to_td):
        Do not append zero after the decimal point in string to convert.

2009-09-17  Alexander Monakov  <amonakov@ispras.ru>

        * graphite-sese-to-poly.c (pdr_add_data_dimensions): Add bounds only
        for ARRAY_REFs.  Use array_ref_{low,up}_bound to determine bounds.

2009-09-17  Martin Jambor  <mjambor@suse.cz>

        * common.opt (fipa-sra): New switch.
        * opts.c (decode_options): Turn flag_ipa_sra on for opt2.
        * timevar.def (TV_IPA_SRA): New timevar.
        * params.def (ipa-sra-ptr-growth-factor): New parameter.
        * doc/invoke.texi: Document -fipa-sra and ipa-sra-ptr-growth-factor.
        * tree-sra.c: Include cgraph.c.
        (enum sra_mode): Added SRA_MODE_EARLY_IPA.
        (struct access): Added fields stmt, grp_maybe_modified, grp_scalar_ptr
        and grp_not_necessarilly_dereferenced.
        (func_param_count): New variable.
        (encountered_apply_args): New variable.
        (bb_dereferences): New variable.
        (final_bbs): New variable.
        (no_accesses_representant): New variable.
        (no_accesses_p): New function.
        (dump_access): Dump the new fields.
        (sra_initialize): Set encountered_apply_args to false.
        (get_ssa_base_param): New function.
        (mark_parm_dereference): New function.
        (create_access): Caring for INIDRECT_REFs and different handling of
        varialble length accesses in early IPA SRA.  Store the stmt - a new
        parameter - to the new access.
        (build_access_from_expr_1): New parameter stmt, passed to
        create_access.  Handle INDIRECT_REFs.
        (build_access_from_expr): Pass the current statement to
        build_access_from_expr_1.
        (disqualify_ops_if_throwing_stmt): Trigger only in intraprocedural
        passes.
        (build_accesses_from_assign): Pass the current statement to
        build_access_from_expr_1.  Do not create assign links in IPA-SRA.
        (scan_function): Call handle_ssa_defs on phi nodes.  Set bits in
        final_bbs when necessary.  Check for calls to __builtin_apply_args.
        Fixup EH info if anythng was changed.
        (is_unused_scalar_param): New function.
        (ptr_parm_has_direct_uses): New function.
        (find_param_candidates): New function.
        (mark_maybe_modified): New function.
        (analyze_modified_params): New function.
        (propagate_dereference_distances): New function.
        (dump_dereferences_table): New function.
        (analyze_caller_dereference_legality): New function.
        (unmodified_by_ref_scalar_representative): New function.
        (splice_param_accesses): New function.
        (decide_one_param_reduction): New function.
        (enum ipa_splicing_result): New type.
        (splice_all_param_accesses): New function.
        (get_param_index): New function.
        (turn_representatives_into_adjustments): New function.
        (analyze_all_param_acesses): New function.
        (get_replaced_param_substitute): New function.
        (get_adjustment_for_base): New function.
        (replace_removed_params_ssa_names): New function.
        (sra_ipa_reset_debug_stmts): New function.
        (sra_ipa_modify_expr): New function.
        (sra_ipa_modify_assign): New function.
        (convert_callers): New function.
        (modify_function): New function.
        (ipa_sra_preliminary_function_checks): New function.
        (ipa_early_sra): New function.
        (ipa_early_sra_gate): New function.
        (pass_early_ipa_sra): New variable.
        * Makefile.in (tree-sra.o): Add cgraph.h to dependencies.

2009-09-17  Michael Matz  <matz@suse.de>

        PR middle-end/41347
        * tree.c (build_type_attribute_qual_variant): Export.
        * tree.h (build_type_attribute_qual_variant): Declare.
        * tree-inline.c (remap_type_1): Use it to build variants with
        the original qualifiers and attributes.

2009-09-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

        * cfglayout.c (fixup_reorder_chain): Accept conditional jumps
        without a fallthrough edge.

2009-09-16  DJ Delorie  <dj@redhat.com>

        * config/m32c/m32c.c (m32c_emit_epilogue): Check for R8C or M16C
        chip and ignore the "fast_interrupt" attribute if so.

2009-09-16  Richard Henderson  <rth@redhat.com>

        PR middle-end/41360
        * cfgbuild.c (find_bb_boundaries): Really re-instate 2009-09-02
        barrier fix.

2009-09-16  Richard Henderson  <rth@redhat.com>

        PR target/41246
        * tree-cfg.c (verify_gimple_call): Validate that gimple_call_chain
        is set only if DECL_NO_STATIC_CHAIN is unset.
        * tree-nested.c (iter_nestinfo_start, iter_nestinfo_next): New.
        (FOR_EACH_NEST_INFO): New.
        (walk_all_functions): Use it.
        (finalize_nesting_tree): Likewise.
        (unnest_nesting_tree): Likewise.
        (free_nesting_tree): Use iter_nestinfo_start, iter_nestinfo_next.
        (get_chain_decl, get_chain_field): Reset DECL_NO_STATIC_CHAIN.
        (convert_gimple_call): Early out if gimple_call_chain already set.
        (convert_all_function_calls): Iterate until no new functions
        require a static chain.
        (finalize_nesting_tree_1): Assert DECL_NO_STATIC_CHAIN is unset
        when building a trampoline.  Use dump_function_to_file instead
        of dump_function.
        (lower_nested_functions): Open dump_file.  Validate that decls
        that have DECL_NO_STATIC_CHAIN from the front end don't have that
        bit reset by this pass.

2009-09-16  Michael Matz  <matz@suse.de>

        PR fortran/41212
        * tree.h (struct tree_decl_common): Add decl_restricted_flag,
        shorten decl_common_unused.
        (DECL_RESTRICTED_P): New accessor.
        * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Use it
        to disambiguate marked decls and restrict pointers.

2009-09-16  Richard Henderson  <rth@redhat.com>

        PR middle-end/41360
        * cfgbuild.c (find_bb_boundaries): Re-instate 2009-09-02 barrier fix.

2009-09-16  Jakub Jelinek  <jakub@redhat.com>

        * integrate.c (set_block_abstract_flags): Call
        set_decl_abstract_flags also on BLOCK_NONLOCALIZED_VARs.

2009-09-16  Richard Guenther  <rguenther@suse.de>

        PR middle-end/34011
        * tree-flow-inline.h (may_be_aliased): Compute readonly variables
        as non-aliased.

2009-09-16  DJ Delorie  <dj@redhat.com>
            Kaz Kojima  <kkojima@gcc.gnu.org>

        * config/sh/sh.c (output_stack_adjust): Add new argument frame_p.
        (sh_expand_prologue): Update calls to output_stack_adjust.
        (sh_expand_epilogue): Likewise.

2009-09-15  Adam Nemet  <anemet@caviumnetworks.com>

        PR bootstrap/41349
        * reorg.c (redundant_insn): Don't count notes or DEBUG_INSNs when
        trying to limit the extent of searches in the insn stream.

2009-09-15  Nathan Froyd  <froydnj@codesourcery.com>
            Jakub Jelinek  <jakub@redhat.com>

        PR target/41175
        PR target/40677
        * config/rs6000/rs6000.c (no_global_regs_above): Fix precedence
        problem.
        (SAVRES_NOINLINE_GPRS_SAVES_LR, SAVRES_NOINLINE_FPRS_SAVES_LR,
        SAVRES_NOINLINE_FPRS_DOESNT_RESTORE_LR): New strategy bits.
        (rs6000_savres_strategy): Always save FP registers inline if the
        target doesn't support hardware double-precision.  Set the above
        bits in return value when needed.
        (rs6000_savres_routine_sym): Fix computation for cache selector.
        Mark the generated symbol as a function.  Rename exitp argument to
        lr.  Move code for determining the name of the symbol...
        (rs6000_savres_routine_name): ...here.  New function.  Add cases for
        getting the names right on AIX and 64-bit Linux.
        (savres_routine_name): New variable.
        (rs6000_make_savres_rtx): Rename exitp argument to lr.  Don't assert
        lr isn't set when savep.  Use r12 resp. r1 instead of r11 depending
        on what the target routine uses as a base register.  If savep && lr
        describe saving of r0 into memory slot.
        (rs6000_emit_prologue): Correct use of call_used_regs.  Fix out of
        line calls for AIX ABI.
        (rs6000_output_function_prologue): Use rs6000_savres_routine_name to
        determine FP save/restore functions.
        (rs6000_emit_stack_reset): Handle savres if sp_offset != 0 and
        frame_reg_rtx != sp_reg_rtx.  Use gen_add3_insn instead of
        gen_addsi3.
        (rs6000_emit_epilogue): Adjust computation of restore_lr.
        Duplicate restoration of LR and execute the appropriate one
        depending on whether GPRs are being restored inline.  Set r11 from
        offsetted frame_reg_rtx instead of sp_reg_rtx; if frame_reg_rtx is
        r11, adjust sp_offset.  Use gen_add3_insn instead of gen_addsi3.
        Fix out of line calls for AIX ABI.
        * config/rs6000/rs6000.md (*return_and_restore_fpregs_aix_<mode>):
        New insn.
        * config/rs6000/spe.md (*save_gpregs_spe): Use explicit match for
        register 11.
        (*restore_gpregs_spe): Likewise.
        (*return_and_restore_gpregs_spe): Likewise.
        * config/rs6000/linux64.h (SAVE_FP_SUFFIX, RESTORE_FP_SUFFIX):
        Define to empty string unconditionally.
        * config/rs6000/sysv4.h (SAVE_FP_SUFFIX, RESTORE_FP_SUFFIX):
        Define to empty string unconditionally.
        (GP_SAVE_INLINE, FP_SAVE_INLINE): Handle TARGET_64BIT the same as
        !TARGET_64BIT.

2009-09-15  Jan Hubicka  <jh@suse.cz>

        * doc/invoke.texi (inline-insns-auto): Drop from 60 to 50.
        * params.def (inline-insns-auto): Likewise.

2009-09-15  Martin Jambor  <mjambor@suse.cz>

        * ipa-inline.c (estimate_function_body_sizes): Dump info about
        individual statements only at TDF_DETAILS dump level.  Format
        source for 80 characters per line.

2009-09-15  Christian Bruel  <christian.bruel@st.com>

        * regrename.c (do_replace): Update REG_DEAD notes.

2009-09-15  Revital Eres  <eres@il.ibm.com>

        * doc/tm.texi (TARGET_SUPPORT_VECTOR_MISALIGNMENT): Document.
        * targhooks.c (default_builtin_support_vector_misalignment):
        New builtin function.
        * targhooks.h (default_builtin_support_vector_misalignment):
        Declare.
        * target.h (builtin_support_vector_misalignment):
        New field in struct gcc_target.
        * tree-vect-data-refs.c (vect_supportable_dr_alignment): Call
        new builtin function.
        * target-def.h (TARGET_SUPPORT_VECTOR_MISALIGNMENT):
        Define.
        * config/rs6000/rs6000.c
        (rs6000_builtin_support_vector_misalignment): New function.
        (TARGET_SUPPORT_VECTOR_MISALIGNMENT): Define.

2009-09-15  Jie Zhang  <jie.zhang@analog.com>

        * config/bfin/bfin.c (length_for_loop): Use NONDEBUG_INSN_P
        instead of INSN_P.
        (bfin_optimize_loop): Likewise.
        (bfin_gen_bundles): Likewise.
        (workaround_speculation): Likewise.
        (find_load): Return NULL_RTX for debug_insn.

2009-09-15  Uros Bizjak  <ubizjak@gmail.com>

        * config/alpha/alpha.md (smaxsf3): Disable for IEEE mode.
        (sminsf3): Ditto.

2009-09-14  DJ Delorie  <dj@redhat.com>

        * config/mep/mep.h (JUMP_TABLES_IN_TEXT_SECTION): Define.
        * config/mep/mep.c (mep_emit_cbranch): Don't use BEQZ/BNEI in
        VLIW mode.

2009-09-14  Richard Henderson  <rth@redhat.com>
            Jakub Jelinek  <jakub@redhat.com>

        * builtins.c (expand_builtin_synchronize): Use gimple_build_asm_vec.
        * cfgbuild.c (make_edges): Handle asm goto.
        * cfglayout.c (fixup_reorder_chain): Likewise.
        * cfgrtl.c (patch_jump_insn): Likewise.
        * gimple-pretty-print.c (dump_gimple_asm): Likewise.
        * gimple.c (gimple_build_asm_1): Add and use nlabels parameter.
        (gimple_build_asm_vec): Add and use labels parameter.
        (gimple_build_asm): Remove.
        (walk_gimple_asm): Walk labels too.
        * gimple.def (GIMPLE_ASM): Update docs.
        * gimple.h: Update decls.
        (struct gimple_statement_asm): Change nc to use unsigned char;
        add nl member.
        (gimple_asm_nlabels): New.
        (gimple_asm_label_op, gimple_asm_set_label_op): New.
        * gimplify.c (gimplify_asm_expr): Copy labels from ASM_EXPR
        into gimple_build_asm_vec.
        * jump.c (mark_jump_label_asm): New.
        (mark_jump_label): Use it.
        (redirect_jump_1): Handle asm goto.
        (invert_jump_1): Soft fail if X is null.
        * recog.c (extract_asm_operands): New.
        (asm_noperands): Use it; handle asm labels.
        (decode_asm_operands): Use extract_asm_operands.
        (asm_operand_ok): Properly handle empty string.
        * reg-stack.c (get_asm_operands_in_out): Rename from
        get_asm_operand_n_inputs; use extract_asm_operands; return both
        inputs and outputs by reference; update all callers.
        * rtl.def (ASM_OPERANDS): Add label vector as operand 6.
        * rtl.h (ASM_OPERANDS_LABEL_VEC): New.
        (ASM_OPERANDS_LABEL_LENGTH, ASM_OPERANDS_LABEL): New.
        (ASM_OPERANDS_SOURCE_LOCATION): Renumber.
        (extract_asm_operands): Declare.
        * stmt.c (expand_asm_operands): Add and use labels parameter.
        (check_unique_operand_names): Likewise.
        (resolve_asm_operand_names, resolve_operand_name_1): Likewise.
        (expand_asm_stmt): Handle asm labels.
        * tree-cfg.c (make_gimple_asm_edges): New.
        (make_edges): Use it.
        (cleanup_dead_labels): Handle asm labels.
        (is_ctrl_altering_stmt): Likewise.
        (gimple_redirect_edge_and_branch): Likewise.
        * tree.def (ASM_EXPR): Add 5th operand.
        * tree.h (ASM_LABELS): New.
        (resolve_asm_operand_names): Update decl.

        * c-parser.c (c_parser_asm_statement): Parse asm goto.
        (c_parser_asm_goto_operands): New.
        * c-tree.h (build_asm_expr): Update decl.
        * c-typeck.c (build_asm_expr): Add and use labels parameter.
        * doc/extend.texi: Document asm goto.

2009-09-14  Richard Henderson  <rth@redhat.com>

        * except.h: Update declarations.
        (struct pointer_map_t): Forward declare.
        (ERT_UNKNOWN, ERT_THROW, ERT_CATCH): Remove.
        (struct eh_landing_pad_d, eh_landing_pad): New.
        (struct eh_catch_d, eh_catch): New.
        (struct eh_region_d): Remove next_region_sharing_label, aka,
        label, tree_label, landing_pad, post_landing_pad, resume,
        may_contain_throw.  Rename region_number to index.  Remove
        u.eh_catch, u.eh_throw.  Rename u.eh_try.eh_catch to first_catch.
        Add u.must_not_throw, landing_pads, exc_ptr_reg, filter_reg.
        (VEC(eh_landing_pad,gc)): New.
        (struct eh_status): Remove last_region_number.  Add lp_array,
        throw_stmt_table, ttype_data, ehspec_data.
        (ehr_next, FOR_ALL_EH_REGION_AT): New.
        (FOR_ALL_EH_REGION_FN, FOR_ALL_EH_REGION): New.
        * except.c (lang_protect_cleanup_actions): Return tree.
        (struct ehl_map_entry): Remove.
        (init_eh_for_function): Push zero entries for region and lp_array.
        (gen_eh_region): Add to region_array immediately.
        (gen_eh_region_catch): Operate on eh_catch objects.
        (gen_eh_landing_pad): New.
        (get_eh_region_may_contain_throw, get_eh_region_tree_label): Remove.
        (get_eh_region_no_tree_label, set_eh_region_tree_label): Remove.
        (get_eh_region_from_number, get_eh_region_from_number_fn): New.
        (get_eh_landing_pad_from_number_fn): New.
        (get_eh_landing_pad_from_number): New.
        (get_eh_region_from_lp_number_fn): New.
        (get_eh_region_from_lp_number): New.
        (expand_resx_stmt, note_eh_region_may_contain_throw): Remove.
        (get_exception_pointer, get_exception_filter): Remove.
        (collect_eh_region_array, can_be_reached_by_runtime): Remove.
        (current_function_has_exception_handlers): Simplify.
        (bring_to_root, eh_region_replaceable_by_p): Remove.
        (replace_region, hash_type_list, hash_eh_region): Remove.
        (eh_regions_equal_p, merge_peers, remove_unreachable_regions): Remove.
        (label_to_region_map, num_eh_regions): Remove.
        (get_next_region_sharing_label, must_not_throw_labels): Remove.
        (find_exception_handler_labels): Remove.
        (duplicate_eh_regions_0, find_prev_try): Remove.
        (struct duplicate_eh_regions_data): New.
        (duplicate_eh_regions_1): Rewrite.
        (duplicate_eh_regions): Return a pointer map instead of an
        integer offset.
        (copy_eh_region_1, copy_eh_region, push_reachable_handler): Remove.
        (redirect_eh_edge_to_label): Remove.
        (eh_region_outermost): Rewrite using eh_region pointers
        instead of integers.
        (add_ttypes_entry): Update for ttype_data move to eh_status.
        (add_ehspec_entry): Rewrite with VEC instead of varray.
        (assign_filter_values): Likewise.  Export.
        (build_post_landing_pads, connect_post_landing_pads): Remove.
        (dw2_build_landing_pads): Rewrite to use lp_array.
        (struct sjlj_lp_info, sjlj_find_directly_reachable_regions): Remove.
        (sjlj_assign_call_site_values): Rewrite to use lp_array.
        (sjlj_emit_dispatch_table, sjlj_build_landing_pads): Likewise.
        (sjlj_mark_call_sites): Update for landing pad numbers.
        (finish_eh_generation): Rewrite.
        (gate_handle_eh): Do nothing for no eh tree.
        (pass_rtl_eh): Move up near finish_eh_generation.
        (remove_eh_landing_pad): New.
        (remove_eh_handler): Export.
        (remove_eh_region, remove_eh_handler_and_replace): Remove.
        (for_each_eh_label): Rewrite to use lp_array.
        (make_reg_eh_region_note): New.
        (make_reg_eh_region_note_nothrow_nononlocal): New.
        (insn_could_throw_p): New.
        (copy_reg_eh_region_note_forward): New.
        (copy_reg_eh_region_note_backward): New.
        (check_handled, add_reachable_handler): Remove.
        (reachable_next_level, foreach_reachable_handler): Remove.
        (arh_to_landing_pad, arh_to_label, reachable_handlers): Remove.
        (get_eh_region_and_lp_from_rtx): New.
        (get_eh_region_from_rtx): New.
        (can_throw_internal_1, can_throw_external_1): Remove.
        (can_throw_internal): Use get_eh_region_from_rtx.
        (can_throw_external): Use get_eh_region_and_lp_from_rtx.
        (insn_nothrow_p, can_nonlocal_goto): New.
        (expand_builtin_eh_common, expand_builtin_eh_pointer): New.
        (expand_builtin_eh_filter, expand_builtin_eh_copy_values): New.
        (add_action_record): Use VEC not varray.
        (collect_one_action_chain): Update for eh_region changes.
        (convert_to_eh_region_ranges): Make static.  Use VEC not varray.
        Use get_eh_region_and_lp_from_rtx.
        (gate_convert_to_eh_region_ranges): New.
        (pass_convert_to_eh_region_ranges): Use it.
        (push_uleb128, push_sleb128): Use VEC not varray.
        (output_one_function_exception_table): Likewise.
        (dump_eh_tree): Update for eh_region changes.
        (verify_eh_tree): Likewise.
        (verify_eh_region, default_init_unwind_resume_libfunc): Remove.
        * tree-eh.c: Include target.h.
        (add_stmt_to_eh_lp_fn): Rename from add_stmt_to_eh_region_fn.
        Don't disallow GIMPLE_RESX; adjust argument check.
        (add_stmt_to_eh_lp): Rename from add_stmt_to_eh_region.
        (record_stmt_eh_region): Update for landing pad numbers;
        generate a landing pad if necessary.
        (remove_stmt_from_eh_lp): Rename from remove_stmt_from_eh_region.
        (remove_stmt_from_eh_lp_fn): Similarly.
        (lookup_stmt_eh_lp_fn): Rename from lookup_stmt_eh_region_fn.
        Update for lp numbers; don't special case missing throw_stmt_table.
        (lookup_expr_eh_lp): Similarly.
        (lookup_stmt_eh_lp): Rename from lookup_stmt_eh_region.
        (eh_seq, eh_region_may_contain_throw): New.
        (struct leh_state): Add ehp_region.
        (struct leh_tf_state): Remove eh_label.
        (emit_post_landing_pad): New.
        (emit_resx, emit_eh_dispatch): New.
        (note_eh_region_may_contain_throw): New.
        (frob_into_branch_around): Take eh_region not eh label;
        emit eh code into eh_seq.
        (honor_protect_cleanup_actions): Early exit for no actions.  Don't
        handle EXC_PTR_EXPR, FILTER_EXPR.  Use gimple_build_eh_must_not_throw,
        lower_eh_must_not_throw.  Emit code to eh_seq.
        (lower_try_finally_nofallthru): Emit eh code to eh_seq.
        (lower_try_finally_onedest): Likewise.
        (lower_try_finally_copy): Likewise.
        (lower_try_finally_switch): Likewise.
        (lower_try_finally): Initialize ehp_region.
        (lower_catch): Update for eh_catch objects.
        (lower_eh_filter): Don't handle must_not_throw.
        (lower_eh_must_not_throw): New.
        (lower_cleanup): Don't set eh_label.
        (lower_eh_constructs_2): Resolve eh builtins.
        Handle GIMPLE_EH_MUST_NOT_THROW.
        (lower_eh_constructs): Initialize eh_region_may_contain_throw.
        Add eh_seq to the end of the function body.
        (make_eh_dispatch_edges): New.
        (make_eh_edge): Remove.
        (make_eh_edges): Simplify for landing pads.
        (redirect_eh_edge_1): New.
        (redirect_eh_edge): Use it.
        (redirect_eh_dispatch_edge): New.
        (stmt_could_throw_p): Use a switch.  Allow RESX.
        (stmt_can_throw_external): Use lookup_stmt_eh_lp.
        (stmt_can_throw_internal): Likewise.
        (maybe_clean_eh_stmt_fn, maybe_clean_eh_stmt): New.
        (maybe_clean_or_replace_eh_stmt): Update for landing pads.
        (maybe_duplicate_eh_stmt_fn, maybe_duplicate_eh_stmt): New.
        (gate_refactor_eh): New.
        (pass_refactor_eh): Use it.
        (lower_resx, execute_lower_resx, pass_lower_resx): New.
        (lower_eh_dispatch, execute_lower_eh_dispatch): New.
        (gate_lower_ehcontrol, pass_lower_eh_dispatch): New.
        (remove_unreachable_handlers): Rename from
        tree_remove_unreachable_handlers; rewrite for landing pads;
        call remove_eh_handler directly.
        (remove_unreachable_handlers_no_lp): New.
        (unsplit_eh, unsplit_all_eh): New.
        (tree_empty_eh_handler_p, all_phis_safe_to_merge): Remove.
        (cleanup_empty_eh_merge_phis, cleanup_empty_eh_move_lp): New.
        (cleanup_empty_eh_unsplit): New.
        (cleanup_empty_eh): Rewrite.
        (cleanup_all_empty_eh): New.
        (execute_cleanup_eh): Rename from cleanup_eh.  Remove unreachable
        handlers first.  Use unsplit_all_eh, cleanup_all_empty_eh.
        (gate_cleanup_eh): New.
        (pass_cleanup_eh): Use it.
        (verify_eh_edges): Move later in file.  Expect one EH edge.
        (verify_eh_dispatch_edge): New.

        * Makefile.in (FUNCTION_H): Use vecprim.h, not varray.h.
        (gtype-desc.o): Add TARGET_H.
        (tree.o): Use EXCEPT_H, not except.h.
        (cfgbuild.o): Add EXPR_H.
        (GTFILES): Add vecprim.h.
        * builtins.c (expand_builtin): Handle BUILT_IN_EH_POINTER,
        BUILT_IN_EH_FILTER, BUILT_IN_EH_COPY_VALUES.
        * builtins.def (BUILT_IN_UNWIND_RESUME, BUILT_IN_EH_POINTER,
        BUILT_IN_EH_FILTER, BUILT_IN_EH_COPY_VALUES): New.
        * calls.c (emit_call_1): Use make_reg_eh_region_note.
        * cfgbuild.c (control_flow_insn_p): Use can_nonlocal_goto; tidy
        calls to can_throw_internal.
        (rtl_make_eh_edge): Use get_eh_landing_pad_from_rtx.
        (make_edges): Don't handle RESX; use can_nonlocal_goto.
        * cfgexpand.c (expand_gimple_stmt_1): Don't handle RESX.
        (expand_gimple_stmt): Use make_reg_eh_region_note.
        (expand_debug_expr): Don't handle EXC_PTR_EXPR and FILTER_EXPR.
        (gimple_expand_cfg): Don't call convert_from_eh_region_ranges,
        or find_exception_handler_labels.
        * cfgrtl.c (rtl_verify_flow_info_1): Don't handle RESX.  Assert
        there is exacly one EH edge.  Use can_nonlocal_goto and
        can_throw_internal.
        * cgraphunit.c (update_call_expr): Use maybe_clean_eh_stmt_fn.
        (cgraph_materialize_all_clones): Use maybe_clean_or_replace_eh_stmt.
        * combine.c (can_combine_p, try_combine): Use insn_nothrow_p.
        * cse.c (count_reg_usage, insn_live_p): Use insn_could_throw_p.
        * dce.c (deletable_insn_p_1): Don't test may_trap_p.
        (deletable_insn_p): Use insn_nothrow_p; reorder nonjump insn test.
        * dse.c (scan_insn): Use insn_could_throw_p.
        * emit-rtl.c (try_split): Use copy_reg_eh_region_note_backward.
        * expr.c (expand_expr_real): Use make_reg_eh_region_note.
        (expand_expr_real_1): Don't handle RESX, EXC_PTR, or FILTER_EXPR.
        * fold-const.c (tree_expr_nonnegative_warnv_p): Don't handle
        EXC_PTR_EXPR or FILTER_EXPR.
        (tree_expr_nonzero_warnv_p): Likewise.
        * function.h: Include vecprim.h, not varray.h
        (struct rtl_eh): Remove filter, exc_ptr, built_landing_pad members;
        move ttype_data and ehspec_data members to struct eh_status; change
        action_record_data member to a VEC.
        * gcse.c (hash_scan_set): Use can_throw_internal.
        * gengtype.c (open_base_files): Add target.h to gtype-desc.c.
        * gimple-iterator.c (gsi_replace): Use maybe_clean_or_replace_eh_stmt.
        * gimple-low.c (lower_stmt): Handle GIMPLE_EH_MUST_NOT_THROW.
        (block_may_fallthru): Don't handle RESX_EXPR.
        * gimple-pretty-print.c (dump_gimple_label): Dump EH_LANDING_PAD_NR.
        (dump_gimple_eh_must_not_throw, dump_gimple_eh_dispatch): New.
        (dump_gimple_stmt): Dump landing pad information with TDF_EH;
        handle GIMPLE_EH_MUST_NOT_THROW, GIMPLE_EH_DISPATCH.
        * gimple.c (gss_for_code): Handle GIMPLE_EH_MUST_NOT_THROW,
        GIMPLE_EH_DISPATCH, GIMPLE_RESX.
        (gimple_size): Likewise.
        (gimple_build_eh_dispatch, gimple_build_eh_must_not_throw): New.
        (gimple_build_resx): Use gimple_build_with_ops.
        (DEFTREECODE): Don't handle EXC_PTR_EXPR, FILTER_EXPR.
        (is_gimple_val): Likewise.
        (is_gimple_stmt): Remove RESX_EXPR.
        * gimple.def (GIMPLE_EH_MUST_NOT_THROW, GIMPLE_EH_DISPATCH): New.
        (GIMPLE_RESX): Reorder with other EH constructs.
        * gimple.h (struct gimple_statement_eh_mnt): New.
        (struct gimple_statement_eh_ctrl): Rename from gimple_statement_resx.
        (gimple_eh_filter_must_not_throw): Remove.
        (gimple_eh_filter_set_must_not_throw): Remove.
        (gimple_eh_must_not_throw_fndecl): New.
        (gimple_eh_dispatch_region, gimple_eh_dispatch_set_region): New.
        (is_gimple_resx): New.
        * gimplify.c (gimplify_expr): Don't handle EXC_PTR_EXPR, RESX_EXPR.
        Don't copy EH_FILTER_MUST_NOT_THROW.
        * gsstruct.def (GSS_EH_MNT, GSS_EHCONTROL): New.
        * ipa-inline.c (estimate_function_body_sizes): Don't try to
        handle must_not_throw_labels specially.
        * ipa-pure-const.c (check_call): Update debug statement for LP.
        * ipa-type-escape.c (check_operand): Don't handle EXC_PTR or FILTER.
        * ipa-utils.c (get_base_var): Likewise.
        * libfunc.h (LTI_unwind_resume, unwind_resume_libfunc): Remove.
        * lower-subreg.c (move_eh_region_note): Remove.
        (resolve_simple_move): Use copy_reg_eh_region_note_forward.
        * omp-low.c (new_omp_context): Update for eh_lp_nr.
        (create_task_copyfn): Likewise.
        (maybe_catch_exception): Use gimple_build_eh_filter.
        * optabs.c (emit_libcall_block): Update test for no-nonlocal-goto
        REG_EH_REGION.  Use make_reg_eh_region_note_nothrow_nononlocal.
        * passes.c (init_optimization_passes): Add pass_lower_eh_dispatch
        and pass_lower_resx.
        * print-tree.c (print_node): Dump EH_LANDING_PAD_NR.
        * recog.c (peephole2_optimize): Use copy_reg_eh_region_note_backward,
        can_throw_internal, can_nonlocal_goto.
        * reload1.c (fixup_eh_region_note): Use insn_could_throw_p,
        copy_reg_eh_region_note_forward.
        (emit_input_reload_insns): Use copy_reg_eh_region_note_forward.
        (emit_output_reload_insns): Likewise.
        (copy_eh_notes): Remove.
        * rtl.def (RESX): Remove.
        * rtl.h: Update declarations.
        * sese.c (graphite_copy_stmts_from_block): Use maybe_duplicate_eh_stmt.
        * tree-cfg.c (make_edges): Handle GIMPLE_EH_DISPATCH.
        (update_eh_label): Remove.
        (cleanup_dead_labels_eh): New.
        (cleanup_deal_labels): Use it instead of update_eh_label.
        (gimple_merge_blocks): Update landing pad data structure when
        removing a landing pad label.
        (remove_useless_stmts_tc): Remove gimple_eh_filter_must_not_throw
        test; handle GIMPLE_EH_MUST_NOT_THROW.
        (is_ctrl_altering_stmt): Handle GIMPLE_EH_DISPATCH.
        (verify_gimple_assign_single): Don't handle EXC_PTR or FILTER_EXPR.
        (verify_types_in_gimple_stmt): Handle GIMPLE_EH_DISPATCH.
        (verify_stmt): Likewise.  Verify landing pads.
        (gimple_redirect_edge_and_branch): Handle GIMPLE_EH_DISPATCH.
        (gimple_duplicate_bb): Use maybe_duplicate_eh_stmt.
        (struct move_stmt_d): Add eh_map.
        (move_stmt_eh_region_nr, move_stmt_eh_region_tree_nr): New.
        (move_stmt_r): Remap eh region numbers in builtin calls,
        resx and eh_dispatch.
        (move_block_to_fn): Remove eh_offset parameter.  Use
        maybe_duplicate_eh_stmt_fn.
        (find_outermost_region_in_block): Operate on eh_region pointers
        instead of region numbers.
        (move_sese_region_to_fn): Expect eh_map instead of eh_offset from
        duplicate_eh_regions.
        * tree-cfgcleanup.c (tree_forwarder_block_p): Move entry block edge
        test earlier.  Disallow EH landing pads.
        * tree-cfa.c (create_tree_common_ann): Don't set ann->rn.
        * tree-flow.h: Update declarations.
        (struct tree_ann_common_d): Replace rn with lp_nr.
        * tree-inline.c (copy_tree_body_r): Don't handle RESX_EXPR.
        (remap_eh_region_nr, remap_eh_region_tree_nr): New.
        (remap_gimple_stmt): Remap eh region numbers in builtin calls,
        resx and eh_dispatch.
        (copy_bb): Use maybe_duplicate_eh_stmt_fn.
        (copy_edges_for_bb): Use make_eh_dispatch_edges.
        (copy_cfg_body): Expect eh_map instead of eh_region_offset
        from duplicate_eh_regions.
        (estimate_num_insns): Don't handle EXC_PTR_EXPR or FILTER_EXPR;
        update RESX; handle EH_DISPATCH.
        (expand_call_inline): Set eh_lp_nr, not eh_region.
        (maybe_inline_call_in_expr): Likewise.
        * tree-inline.h (struct copy_body_data): Replace eh_region with
        eh_lp_nr, eh_region_offset with eh_map.
        * tree-optimize.c (execute_fixup_cfg): Use maybe_clean_eh_stmt.
        * tree-pass.h (pass_lower_eh_dispatch, pass_lower_resx): New.
        * tree-pretty-print.c (dump_generic_node): Don't handle
        EXC_PTR_EXPR, FILTER_EXPR, RESX_EXPR.
        * tree-sra.c (scan_function): Use maybe_clean_eh_stmt.
        * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Don't handle
        EXC_PTR_EXPR, FILTER_EXPR.
        * tree-ssa-operands.c (get_expr_operands): Likewise.
        * tree-ssa-propagate.c (valid_gimple_rhs_p): Likewise.
        * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
        (ao_ref_init_from_vn_reference): Likewise.
        * tree-ssa-sink.c (statement_sink_location): Likewise.
        * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Likewise.
        (mark_virtual_phi_result_for_renaming): Export.  Tidy.
        * tree-ssa-pre.c (get_or_alloc_expr_for): Don't handle
        EXC_PTR_EXPR, FILTER_EXPR.
        (is_exception_related): Remove.
        (compute_avail): Don't call it.
        * tree-ssa-structalias.c: Remove VEC definitions for int and unsigned.
        * tree.c (find_decls_types_in_eh_region): Update for eh_region changes.
        (find_decls_types_in_node): Use FOR_ALL_EH_REGION_FN.
        (build_common_builtin_nodes): Add enable_cxa_end_cleanup parameter.
        Build EH builtins.
        (build_resx): Remove.
        * tree.def (EXC_PTR_EXPR, FILTER_EXPR, RESX_EXPR): Remove.
        * tree.h: Update declarations.
        (EH_FILTER_MUST_NOT_THROW): Remove.
        (struct tree_label_decl): Add eh_landing_pad_nr.
        (EH_LANDING_PAD_NR): New.
        * value-prof.c (gimple_ic): Tidy variable names.  Update for
        landing pad numbers.
        (gimple_stringop_fixed_value): Tidy variable names.  Assert
        that neither call stmt can throw.
        * vecprim.h (uchar): New.
        (VEC(uchar,heap), VEC(uchar,gc)): New.

        * c-common.c (c_define_builtins): Update call to
        build_common_builtin_nodes.
        * c-parser.c (c_parse_file): Don't call
        default_init_unwind_resume_libfunc.

2009-09-14  Richard Sandiford  <rdsandiford@googlemail.com>

        * config/mips/mips-protos.h (mips_cfun_has_cprestore_slot_p): Declare.
        (mips_cprestore_address_p): Likewise.
        (mips_save_gp_to_cprestore_slot): Likewise.
        (mips_restore_gp): Rename to...
        (mips_restore_gp_from_cprestore_slot): ...this.
        (mips_must_initialize_gp_p): Declare.
        (mips_emit_save_slot_move): Likewise.
        (mips_output_load_label): Return nothing.
        (mips_eh_uses): Declare.
        * config/mips/mips.h (TARGET_SPLIT_CALLS): Require epilogue_completed.
        (TARGET_CPRESTORE_DIRECTIVE): New macro.
        (TARGET_ABSOLUTE_JUMPS): Likewise.
        (EH_USES): Likewise.
        (FIRST_PSEUDO_REGISTER): Update comment.
        (MIPS_ABSOLUTE_JUMP): New macro, extracted from...
        (MIPS_CALL): ...here.
        (REGISTER_NAMES): Add $cprestore.
        * config/mips/mips.c (machine_function): Remove has_gp_insn_p.
        Add load_label_length, has_inflexible_gp_insn_p,
        has_flexible_gp_insn_p, must_initialize_gp_p and
        must_restore_gp_when_clobbered_p.
        (mips_expand_call): Don't generate split instructions here.
        (mips_split_call): Update the call to mips_restore_gp after
        the above name change.
        (mips16_cfun_returns_in_fpr_p): Move earlier in file.
        (mips_find_gp_ref): New function.
        (mips_insn_has_inflexible_gp_ref_p): Likewise.
        (mips_cfun_has_inflexible_gp_ref_p): Likewise.
        (mips_insn_has_flexible_gp_ref_p): Likewise.
        (mips_cfun_has_flexible_gp_ref_p): Likewise.
        (mips_function_has_gp_insn): Delete.
        (mips_global_pointer): Drop the df_regs_ever_live_p check.
        Use the new functions above.  Only return INVALID_REGNUM
        for TARGET_ABSOLUTE_JUMPS.
        (mips_must_initialize_gp_p): New function.
        (mips_get_cprestore_base_and_offset): New function, extracted from...
        (mips_cprestore_slot): ...here.  Take a bool parameter.
        (mips_cfun_has_cprestore_slot_p): New function.
        (mips_cprestore_address_p): Likewise.
        (mips_save_gp_to_cprestore_slot): Likewise.
        (mips_restore_gp): Rename to...
        (mips_restore_gp_from_cprestore_slot): ...this.  Assert
        epilogue_completed.  Update the call to mips_cprestore_slot.
        Test cfun->machine->must_restore_gp_when_clobbered_p.
        (mips_direct_save_slot_move_p): New function.
        (mips_emit_save_slot_move): Likewise.
        (mips_output_cplocal): Test mips_must_initialize_gp_p () instead
        of cfun->machine->global_pointer.
        (mips_output_function_prologue): Check mips_must_initialize_gp_p ().
        (mips_save_reg): Use mips_emit_save_slot_move.
        (mips_expand_prologue): Set must_initialize_gp_p.
        Use mips_cfun_has_cprestore_slot_p.  Use gen_potential_cprestore
        for all cprestore saves.  Emit a use_cprestore instruction after
        setting up the cprestore slot.
        (mips_restore_reg): Use mips_emit_save_slot_move.
        (mips_process_load_label): New function.
        (mips_load_label_length): Likewise.
        (mips_output_load_label): Don't return asm: output it here instead.
        Use mips_process_load_label.
        (mips_adjust_insn_length): Adjust the length of branch instructions
        that have length MAX_PIC_BRANCH_LENGTH.
        (mips_output_conditional_branch): Update the call to
        mips_output_load_label.  Assume the branch target is OPERANDS[0]
        rather than OPERANDS[1].  Use MIPS_ABSOLUTE_JUMP for absolute jumps.
        (mips_output_order_conditional_branch): Swap the meaning of
        OPERANDS[0] and OPERANDS[1].
        (mips_variable_issue): Don't count ghost instructions.
        (mips_expand_ghost_gp_insns): New function.
        (mips_reorg): Rerun mips_reorg_process_insns if it returns true.
        (mips_output_mi_thunk): Set must_initialize_gp_p.
        (mips_eh_uses): New function.
        * config/mips/predicates.md (cprestore_save_slot_operand)
        (cprestore_load_slot_operand): New predicates.
        * config/mips/mips.md (UNSPEC_POTENTIAL_CPRESTORE): New unspec.
        (UNSPEC_MOVE_GP): Likewise.
        (UNSPEC_CPRESTORE, UNSPEC_RESTORE_GP, UNSPEC_EH_RETURN)
        (UNSPEC_CONSTTABLE_INT, UNSPEC_CONSTTABLE_FLOAT): Bump to make room.
        (CPRESTORE_SLOT_REGNUM): New register.
        (MAX_PIC_BRANCH_LENGTH): New constant.
        (jal_macro): Use MIPS_ABSOLUTE_JUMPS.
        (length): Use MAX_PIC_BRANCH_LENGTH as a placeholder for PIC long
        branches.  Fix commentary.
        (loadgp_newabi_<mode>): Change from unspec_volatile to unspec.
        Only split if mips_must_initialize_gp_p; expand to nothing otherwise.
        Change type to "ghost".
        (loadgp_absolute_<mode>): Likewise.
        (loadgp_rtp_<mode>): Likewise.
        (copygp_mips16): Likewise.
        (loadgp_blockage): Remove redundant mode attribute.
        (potential_cprestore): New instruction.
        (cprestore): Turn into an unspec set.
        (use_cprestore): New instruction.
        (*branch_fp): Swap operands 0 and 1.  Remove redundant mode attribute.
        (*branch_fp_inverted): Likewise.
        (*branch_order<mode>): Likewise.
        (*branch_order<mode>_inverted): Likewise.
        (*branch_equality<mode>): Likewise.
        (*branch_equality<mode>_inverted): Likewise.
        (*branch_bit<bbv><mode>): Likewise.
        (*branch_bit<bbv><mode>_inverted): Likewise.
        (*branch_equality<mode>_mips16): Remove redundant mode.
        (jump): Turn into a define_expand.
        (*jump_absolute): New instruction.
        (*jump_pic): Likewise.
        (*jump_mips16): Rename previously-unnamed pattern.  Remove
        redundant mode attribute.
        (restore_gp): Split on epilogue_completed rather than
        reload_completed.  Change type to "ghost".
        (move_gp<mode>): New instruction.
        * config/mips/mips-dsp.md (mips_bposge): Swap operands 0 and 1.
        Remove redundant mode attribute.
        * config/mips/mips-ps-3d.md (bc1any4t): Likewise.
        (bc1any4f, bc1any2t, bc1any2f): Likewise.
        (*branch_upper_lower, *branch_upper_lower_inverted): Likewise.

2009-09-14  Michael Meissner  <meissner@linux.vnet.ibm.com>

        PR target/41210
        * config/rs6000/rs6000.c (rs6000_function_value): V2DF and V2DI
        are returned in the same register (vs34 or v2) that Altivec vector
        types are returned in.
        (rs6000_libcall_value): Ditto.

        PR target/41331
        * config/rs6000/rs6000.c (rs6000_emit_move): Use gen_add3_insn
        instead of explicit addsi3/adddi3 calls.
        (rs6000_split_multireg_move): Ditto.
        (rs6000_emit_allocate_stack): Ditto.
        (rs6000_emit_prologue): Ditto.
        (rs6000_output_mi_thunk): Ditto.

        * config/rs6000/rs6000.md (bswapdi*): Don't assume the pointer
        size is 64 bits if we can use 64-bit registers.

2009-09-14  Bernd Schmidt  <bernd.schmidt@analog.com>

        * config/bfin/bfin.c (bfin_longcall_p): Don't use short calls for weak
        symbols.

        From Jie Zhang <jie.zhang@analog.com>:
        * config/bfin/bfin.c (bfin_expand_prologue): Ask do_link to
        save FP and RETS with saveall attribute.
        (bfin_expand_epilogue): Ask do_unlink to restore FP and RETS
        with saveall attribute.

        * config/bfin/bfin.c (bfin_expand_builtin,
        case BFIN_BUILTIN_MULT_1X32X32): Force constants to registers for the
        operands.

        From Jie Zhang <jie.zhang@analog.com>:
        * config/bfin/bfin.c (bfin_expand_builtin): Initialize icodes
        before use in two places.
        * config/bfin/bfin.md (AREG): Define mode iterator.
        (reload_in, reload_out): Use mode iterator AREG.

2009-09-14  Richard Guenther  <rguenther@suse.de>

        PR middle-end/41350
        * dwarf2out.c (dwarf2out_begin_prologue): Adjust non-CFI asm
        EH personality path.

2009-09-13  Richard Guenther  <rguenther@suse.de>
            Rafael Avila de Espindola  <espindola@google.com>

        * langhooks-def.h (LANG_HOOKS_EH_RUNTIME_TYPE): Define.
        (LANG_HOOKS_EH_PERSONALITY): Likewise.
        (LANG_HOOKS_INITIALIZER): Adjust.
        (lhd_pass_through_t): Declare.
        * langhooks.h (struct lang_hooks): Add eh_runtime_type and
        eh_personality.
        * langhooks.c (lhd_pass_through_t): New function.
        * dwarf2out.c (output_call_frame_info, dwarf2out_do_cfi_startproc,
        dwarf2out_begin_prologue): Use personality from current_function_decl.
        * expr.h (get_personality_function): Declare.
        * expr.c (get_personality_function): New function.
        (build_personality_function): Likewise.
        * libfuncs.h (libfunc_index): Remove LTI_eh_personality.
        (eh_personality_libfunc): Remove.
        * optabs.c (build_libfunc_function): New function split out from ...
        (init_one_libfunc): ... here.
        * tree.h (DECL_FUNCTION_PERSONALITY): New.
        (tree_function_decl): Add personality.
        (lhd_gcc_personality): Declare.
        (build_personality_function): Likewise.
        * tree.c (gcc_eh_personality_decl): New.
        (lhd_gcc_personality): New function.
        * except.h (lang_eh_runtime_type): Remove.
        (enum eh_personality_kind): New.
        (build_personality_function): Declare.
        (function_needs_eh_personality): Declare.
        * except.c (lang_eh_runtime_type): Remove.
        (function_needs_eh_personality): New function.
        (add_type_for_runtime): Call lang_hooks.type_for_runtime instead.
        (sjlj_emit_function_enter, output_function_exception_table):
        Use personality from current_function_decl.
        * tree-eh.c (lower_eh_constructs): Set DECL_FUNCTION_PERSONALITY.
        * tree-inline.c (tree_can_inline_p): Do not inline across different
        EH personalities.
        (expand_call_inline): Likewise.  Adjust the callers EH personality.
        (tree_function_versioning): Copy DECL_FUNCTION_PERSONALITY.
        * cgraph.c (cgraph_add_new_function): Set DECL_FUNCTION_PERSONALITY.
        * Makefile.in (cgraph.o): Add $(EXCEPT_H) dependency.
        (c-parser.o): Likewise
        * c-tree.h (c_eh_initialized_p): Remove.
        (c_maybe_initialize_eh): Likewise.
        * c-decl.c (finish_decl): Don't call c_maybe_initialize_eh.
        (finish_decl): Don't call c_maybe_initialize_eh.
        (c_eh_initialized_p): Remove.
        (c_maybe_initialize_eh): Likewise.
        * c-parser.c (c_parser_omp_construct): Likewise.
        (c_parse_file): Initialize exception handling.

2009-09-13  Kai Tietz  <kai.tietz@onevision.com>

        * config.gcc (tm_file): Remove i386/biarch32.h
        for i?86-w64-mingw* case.
        (i?86-*-mingw* andx86_64-*-mingw*): Add multilib
        support.
        * config.host: Set for x64 mingw the option
        use_long_long_for_widest_fast_int to yes.

2009-09-13  Eric Botcazou  <ebotcazou@adacore.com>

        * tree.h (DECL_IGNORED_P): Document further effect for FUNCTION_DECL.
        * dbxout.c (dbxout_function_end): Do not test DECL_IGNORED_P.
        (dbxout_begin_function): Likewise.
        * final.c (dwarf2_debug_info_emitted_p): New predicate.
        (final_start_function): Do not emit debug info if DECL_IGNORED_P is
        set on the function.
        (final_end_function): Likewise.
        (final_scan_insn): Likewise.
        (rest_of_handle_final): Likewise.
        * varasm.c (assemble_start_function): Likewise.
        * config/rs6000/xcoff.h (ASM_DECLARE_FUNCTION_NAME): Likewise.

2009-09-12  Jason Merrill  <jason@redhat.com>

        * dbgcnt.c (dbg_cnt_process_single_pair): constify.
        * opts.c (common_handle_option): constify.

2009-09-12  Gerald Pfeifer  <gerald@pfeifer.com>

        * doc/install.texi (avr): Remove obsolete reference site.

2009-09-12  Gerald Pfeifer  <gerald@pfeifer.com>

        * doc/install.texi (Binaries): Adjust AIX link.

2009-09-12  Akim Demaille  <demaille@gostai.com>

        * doc/invoke.texi (-fstrict-aliasing): Correct two examples.
        Use an imperative sentence.

2009-09-11  Richard Henderson  <rth@redhat.com>

        * gsstruct.def (DEFGSSTRUCT): Remove printable-name argument; add
        structure-name and has-tree-operands arguments; update all entries.
        * gimple.def (DEFGSCODE): Replace 3rd argument with GSS_symbol;
        update all entries.
        * gimple.c (gimple_ops_offset_): Use HAS_TREE_OP argument.
        (gsstruct_code_size): New.
        (gss_for_code_): New.
        (gss_for_code): Remove.
        (gimple_size): Rewrite using gsstruct_code_size.
        (gimple_statement_structure): Move to gimple.h.
        * gimple.h (gimple_ops_offset_, gss_for_code_): Declare.
        (gss_for_code, gimple_statement_structure): New.
        (gimple_ops): Use new arrays; tidy.

2009-09-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        * config/pa/predicates.md (symbolic_operand): Require a CONST symbolic
        operand to be a PLUS expression.
        * config/pa/pa.c (pa_secondary_reload): Likewise.

2009-09-11  Jakub Jelinek  <jakub@redhat.com>

        * combine.c (propagate_for_debug_subst): Call wrap_constant on top.

        * print-rtl.c (print_rtx): Use JUMP_LABEL (in_rtx) instead of
        XEXP (in_rtx, 8).

2009-09-11  Bernd Schmidt  <bernd.schmidt@analog.com>

        From Jie Zhang <jie.zhang@analog.com>:
        * doc/extend.texi (node Function Attributes): Document l2
        function attribute.
        (node Blackfin Variable Attributes): Document l2 variable attributes.

2009-09-11  Loren J. Rittle  <ljrittle@acm.org>

        * config.gcc (*-*-freebsd*): Enable default_use_cxa_atexit
        to match the system compiler's configuration at inflection point.
        Add comment to remark a remaining difference with system compiler.

        * configure.ac (*-*-freebsd*): Enable check for __stack_chk_fail.
        * configure: Regenerate.

2009-09-11  Bernd Schmidt  <bernd.schmidt@analog.com>

        From Jie Zhang <jie.zhang@analog.com>:
        * config/bfin/bfin.c (bfin_expand_call): Handle L2 functions.
        (bfin_handle_l2_attribute): New.
        (bfin_attribute_table): Add l2 attribute.

2009-09-11  Michael Matz  <matz@suse.de>

        PR middle-end/41275
        * tree-inline.c (remap_decls): Don't put DECL_EXTERNAL decls
        on the local_decls list.

2009-09-11  Alexandre Oliva  <aoliva@redhat.com>

        PR debug/41276
        PR debug/41307
        * cselib.c (cselib_expand_value_rtx_cb): Document callback
        interface.
        (cselib_expand_value_rtx_1): Use callback for SUBREGs.  Adjust
        for VALUEs, to implement the documented interface.
        * var-tracking.c (vt_expand_loc_callback): Handle SUBREGs.
        Adjust for VALUEs and anything else, to implement the
        documented interface.

2009-09-10  Nathan Froyd  <froydnj@codesourcery.com>

        * config/rs6000/rs6000.h (DATA_ALIGNMENT): Check that we are dealing
        with actual SPE/paired vector modes before using 64-bit alignment.
        Check that TYPE is a REAL_TYPE for TARGET_E500_DOUBLE.

2009-09-10  DJ Delorie  <dj@redhat.com>

        * config/mep/mep.md (eh_epilogue): Defer until after epilogue is
        emitted.

        * config/mep/mep.h (LEGITIMATE_CONSTANT_P): New.
        * config/mep/mep.c (mep_legitimate_constant_p): New.
        * config/mep/mep-protos.h: Prototype it.

2009-09-10  Richard Henderson  <rth@redhat.com>

        * print-rtl.c (print_rtx): Fix JUMP_LABEL index.

2009-09-10  Jason Merrill  <jason@redhat.com>

        * tree.c (chain_index): New fn.
        * tree.h: Declare it.

2009-09-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        * config/sol2-c.c (cmn_err_length_specs): Initialize
        scalar_identity_flag.

2009-09-10  Richard Henderson  <rth@redhat.com>

        * tree.h (struct tree_decl_common): Move align member earlier;
        move label_decl_uid member ...
        (struct tree_label_decl): ... here.
        (LABEL_DECL_UID): Update to match.

        * tree-cfg.c (dump_function_to_file): Dump eh tree with TDF_EH,
        not TDF_DETAILS.

        * tree-cfg.c (gimple_redirect_edge_and_branch): Do
        gimple_try_redirect_by_replacing_jump test after no-op and EH tests.

        * tree-cfg.c (split_edge_bb_loc): Don't disallow placement at
        dest_prev if the edge is complex.

        * tree-cfg.c (is_ctrl_stmt): Use a switch.

        * tree-cfg.c (gimple_can_merge_blocks_p): Move label and
        loop latch tests earlier.

        * gimple-iterator.c (gimple_find_edge_insert_loc): Insert
        before GIMPLE_RETURN, not after its predecessor; insert
        before GIMPLE_RESX.

        * gimple-iterator.c (gimple_find_edge_insert_loc): Use
        gimple_seq_empty_p to test for no PHI nodes.
        * tree-cfg.c (split_critical_edges): Likewise.

        * c-common.h (c_dialect_cxx, c_dialect_objc): Boolify.

2009-09-10  Hariharan Sandanagobalane  <hariharan@picochip.com>

        * final.c (shorten_branches) : Ignore DEBUG_INSN_P instructions
        introduced by the VTA branch merge.

2009-09-10  Uros Bizjak  <ubizjak@gmail.com>

        * ira-conflicts.c: Use fputs or putc instead of fprintf
        where appropriate.
        * cfg.c: Ditto.
        * toplev.c: Ditto.
        * tree-switch-conversion.c: Ditto.

2009-09-10  Hariharan Sandanagobalane  <hariharan@picochip.com>

        * config/picochip/picochip.c : Ignore DEBUG_INSN_P instructions
        introduced by the VTA branch merge.

2009-09-10  Uros Bizjak  <ubizjak@gmail.com>

        Revert:
        2009-09-09  Uros Bizjak  <ubizjak@gmail.com>

        PR rtl-optimization/39779
        * expr.c (convert_modes): Return when mode == oldmode after
        CONST_INTs are processed.

2009-09-10  Nick Clifton  <nickc@redhat.com>

        * config/mep/mep.c (mep_encode_section_info): Copy weakness
        attribute and referring decl when creating renamed symbol.

2009-09-10  Richard Guenther  <rguenther@suse.de>

        PR middle-end/41257
        * cgraphunit.c (cgraph_emit_thunks): Emit thunks only for
        reachable nodes.
        (cgraph_finalize_compilation_unit): Compute reachability
        before emitting thunks.  Properly process aliases before
        possibly removing unreachable nodes.

2009-09-10  Richard Guenther  <rguenther@suse.de>

        PR middle-end/41254
        * tree.c (struct free_lang_data_d): Add worklist member.
        (find_decls_types_r): Push onto the worklist instead of recursing.
        Handle TREE_BINFOs properly.
        (find_decls_types): New function wrapped around find_decls_types_r
        to process the worklist.
        (find_decls_types_in_eh_region): Use it.
        (find_decls_types_in_node): Likewise.
        (find_decls_types_in_var): Likewise.
        (free_lang_data_in_cgraph): Likewise.  Free the worklist.
        * tree.h (RECORD_OR_UNION_TYPE_P): New.
        (AGGREGATE_TYPE_P): Adjust.

2009-09-09  Jason Merrill  <jason@redhat.com>

        * configure.ac: Check glibc version even if we have an in-tree
        assembler.

2009-09-09  Anthony Green  <green@moxielogic.com>

        * config/moxie/moxie.md (*movsi, *movhi, *movqi): Use xor to load
        the constant 0 when appropriate.
        * config/moxie/constraints.md: Add constraint O.

        * config/moxie/moxie.c (moxie_setup_incoming_varargs): Adjust
        to pass up to 6 32-bit argument values in registers.
        (moxie_function_arg): Ditto.
        (moxie_arg_partial_bytes): Ditto.
        * config/moxie/moxie.h (FUNCTION_ARG_ADVANCE): Ditto.
        (REG_PARM_STACK_SPACE): Ditto.
        (FUNCTION_ARG_REGNO_P): Ditto.

        * config/moxie/moxie.c (moxie_expand_prologue): Use dec
        instruction to allocate stack space.

2009-09-09  Segher Boessenkool  <segher@kernel.crashing.org>

        * config/rs6000/rs6000.md (bswapdi2_64bit): Fix
        unnecessarily stringent constraints.  Fix address
        calculation in the splitters.

2009-09-09  Uros Bizjak  <ubizjak@gmail.com>

        PR rtl-optimization/39779
        * expr.c (convert_modes): Return when mode == oldmode after
        CONST_INTs are processed.

2009-09-09  Kai Tietz  <kai.tietz@onevision.com>

        PR/41315
        * config/i386.c (ix86_can_use_return_insn_p): Check for padding0, too.
        (ix86_expand_prologue): Take frame.padding0 into logic of
        to_allocate checks.
        (ix86_expand_epilogue): Likewise.

2009-09-09  Jakub Jelinek  <jakub@redhat.com>

        * config/t-slibgcc-elf-ver (SHLIB_MAKE_SOLINK, SHLIB_INSTALL_SOLINK):
        New variables.
        (SHLIB_LINK, SHLIB_INSTALL): Use them.
        * config/t-slibgcc-libgcc: New file.
        * config.gcc (powerpc*-*-linux*, powerpc*-*-gnu*): Use it.

2009-09-09  Martin Jambor  <mjambor@suse.cz>

        PR tree-optimization/41089
        * tree-sra.c (find_var_candidates): Do not consider va_lists in
        early SRA.

2009-09-09  Richard Henderson  <rth@redhat.com>

        * gimple.h (CASE_GIMPLE_OMP): New.
        (is_gimple_omp): Use it.
        * tree-cfg.c (is_ctrl_altering_stmt): Likewise.
        (verify_gimple_debug): Likewise.

2009-09-09  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/41101
        * tree-ssa-pre.c (maximal_set): Remove.
        (compute_antic_aux): Treat the maximal set as implicitly all ones.
        Defer all blocks we didn't visit at least one successor.
        (add_to_exp_gen): Do not add to the maximal set.
        (make_values_for_phi): Likewise.
        (compute_avail): Likewise.
        (init_pre): Do not allocate the maximal set.
        (execute_pre): Do not dump it.

2009-09-09  Martin Jambor  <mjambor@suse.cz>

        * tree-cfg.c (verify_gimple_phi): Check that gimple_phi_result is
        an SSA_NAME rather than a is_gimple_variable.

2009-09-09  Richard Guenther  <rguenther@suse.de>

        PR middle-end/41317
        * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Remove
        code dealing with plain pointer bases.
        (maybe_fold_offset_to_reference): Likewise.
        (maybe_fold_stmt_addition): Adjust.

2009-09-09  Richard Guenther  <rguenther@suse.de>

        * tree.c (free_lang_data_in_type): Do not free the type variant
        chains.
        (free_lang_data): Merge char_type_node with its properly signed
        variant.
        (pass_ipa_free): Collect after freeing language specific data.

2009-09-09  Michael Matz  <matz@suse.de>

        PR middle-end/41268
        * cfgexpand.c (expand_gimple_stmt_1): Use an int for storing
        SUBREG_PROMOTED_UNSIGNED_P, instead of a bool.
        * rtl.h (struct rtx, SUBREG_PROMOTED_UNSIGNED_P): Update comments
        to reflect reality.

2009-09-08  DJ Delorie  <dj@redhat.com>

        * config/mep/mep.c (conversions[]): Add "ml" pattern.

2009-09-04  Jason Merrill  <jason@redhat.com>

        * tree.c (tree_find_value): Remove.
        * tree.h: Remove prototype.
        * varasm.c (assemble_external): Use value_member instead.

2009-09-08  Alexandre Oliva  <aoliva@redhat.com>

        * toplev.c (process_options): Choose default debugging type when
        gtoggle enables debug info and type is unset.

2009-09-08  Alexandre Oliva  <aoliva@redhat.com>

        PR debug/41276
        PR debug/41307
        * cselib.c (cselib_expand_value_rtx_1): Don't return copy of
        invalid subreg.

2009-09-08  Alexandre Oliva  <aoliva@redhat.com>

        * configure: Rebuilt with modified libtool.m4.

2009-09-08  Alexandre Oliva  <aoliva@redhat.com>

        PR debug/41229
        PR debug/41291
        PR debug/41300
        * tree-ssa.c (execute_update_addresses_taken): Update debug insns.

2009-09-08  Alexandre Oliva  <aoliva@redhat.com>

        * tree-ssa-loop-ivopts.c (get_phi_with_result): Remove.
        (remove_statement): Likewise.
        (rewrite_use_nonlinear_expr): Adjust.
        (remove_unused_ivs): Collect SSA NAMEs to remove and call...
        * tree-ssa.c (release_defs_bitset): ... this.  New.
        * tree-flow.h (release_defs_bitset): Declare.

2009-09-08  Alexandre Oliva  <aoliva@redhat.com>

        PR debug/41232
        * tree-ssa-phiopt.c (minmax_replacement): Skip debug stmts
        in the middle block.

2009-09-08  Kai Tietz  <kai.tietz@onevision.com>

        * tree-ssa-reassoc.c (find_operand_rank): Cast pointer
        via intptr_t to long type.
        (insert_operand_rank): Cast long type via intptr_t to
        pointer type.
        * genattrtab.c (RTL_HASH): Use intptr_t to cast from
        pointer to scalar.
        * c-pretty-print.c (pp_c_tree_decl_identifier): Cast
        from pointer to unsigned via uintptr_t.

        * configure.ac (GCC_STDINT_TYPES): Initialize intptr_t,
        uintptr_t, HAVE_INTTYPES_H, HAVE_STDINT_H, HAVE_UINTPTR_T,
        and HAVE_INTPTR_T.
        * configure: Regenerated.
        * config.in: Regenerated
        * system.h (stdint.h): Add include.
        (inttypes.h): Likewise.
        * Makefile.in (aclocal): Add config/stdint.m4.
        * aclocal.m4: Regenerated.

2009-09-08  Bernd Schmidt  <bernd.schmidt@analog.com>

        * config/bfin/bfin.c (np_check_regno, np_after_branch): New static
        variables.
        (note_np_check_stores): New function.
        (harmless_null_pointer_p): New function.
        (trapping_loads_p): New args NP_REG and AFTER_NP_BRANCH.  Callers
        changed.  Take into account whether we're in the shadow of a condjump
        that tested NP_REG for NULL.
        Lose all code that tested for SEQUENCEs.
        (workaround_speculation): Avoid inserting NOPs for loads that are
        either always executed or a NULL pointer.

2009-09-08  Jan Hubicka  <jh@suse.cz>

        * doc/invoke.texi (early-inlining-insns): Reduce from 12 to 8.
        * params.def (early-inlining-insns): Likewise.

2009-09-08  Jakub Jelinek  <jakub@redhat.com>

        PR rtl-optimization/41239
        * sched-int.h (struct deps): Add last_function_call_may_noreturn field.
        * sched-rgn.c (deps_join): Join also last_function_call_may_noreturn
        lists.
        * sched-deps.c (sched_analyze_insn): Prevent moving trapping insns
        across calls, as the calls might not always return normally.
        (call_may_noreturn_p): New function.
        (deps_analyze_insn): Update last_function_call_may_noreturn list.
        (init_deps): Initialize it.
        (remove_from_deps): Also remove calls from
        last_function_call_may_noreturn list.

2009-09-07  Richard Henderson  <rth@redhat.com>

        * tree-ssa-sccvn.c (vn_reference_lookup_3): Don't assume there are
        more VR->OPERANDS than LHS operands.  Free LHS before returning.

2009-09-07  Bernd Schmidt  <bernd.schmidt@analog.com>

        * config/bfin/bfin.md (UNSPEC_VOLATILE_STALL): New constant.
        (attr "addrtype"): New member "spreg".
        Use it if mem_spfp_address_operand is true for the address.
        (attr "type"): New entry "stall".
        (cpu_unit "load"): New.
        (insn_reservations "load32", "loadp", "loadi"): Add reservation of
        "load".
        (insn_reservation "loadsp"): New.
        (insn_reservation "load_stall1"): New.
        (insn_reservation "load_stall3"): New.
        (stall): New insn.
        * config/bfin/predicates.md (const1_operand, const3_operand): New.
        (mem_p_address_operand): Exclude stack and frame pointer based
        addresses.
        (mem_spfp_address_operand): New; match them here.
        * config/bfin/bfin.c (add_sched_insns_for_speculation): New function.
        (bfin_reorg): Call it if scheduling insns.
        (bfin_gen_bundles): Remove dummy insns created by
        add_sched_insns_for_speculation.

        From Jie Zhang <jie.zhang@analog.com>:
        * config/bfin/bfin-protos.h (enum bfin_cpu_type, bfin_cpu_type,
        bfin_si_revision, bfin_workarounds): Move these ...
        * config/bfin/bfin.h: ... here.

        From Mike Frysinger  <michael.frysinger@analog.com>
        * config/bfin/bfin-protos.h (bfin_cpu_type): Add BFIN_CPU_BF542M,
        BFIN_CPU_BF544M, BFIN_CPU_BF547M, BFIN_CPU_BF548M, and BFIN_CPU_BF549M.
        * config/bfin/bfin.c (bfin_cpus[]): Add 0.3 for bf542m, bf544m,
        bf547m, bf548m, and bf549m.
        * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __ADSPBF542M__
        for BFIN_CPU_BF542M, __ADSPBF544M__ for BFIN_CPU_BF544M,
        __ADSPBF547M__ for BFIN_CPU_BF547M, __ADSPBF548M__ for
        BFIN_CPU_BF548M, and __ADSPBF549M__ for BFIN_CPU_BF549M.
        * config/bfin/t-bfin-elf (MULTILIB_MATCHES): Select bf532-none for
        bf542m-none, bf544m-none, bf547m-none, bf548m-none, and bf549m-none.
        * config/bfin/t-bfin-linux (MULTILIB_MATCHES): Likewise.
        * config/bfin/t-bfin-uclinux (MULTILIB_MATCHES): Likewise.
        * doc/invoke.texi (Blackfin Options): Document that -mcpu now accepts
        bf542m, bf544m, bf547m, bf548m, and bf549m.

        From Jie Zhang <jie.zhang@analog.com>:
        * config/bfin/predicates.md (p_register_operand): New predicate.
        (dp_register_operand): New predicate.
        * config/bfin/bfin-protos.h (WA_05000074): Define.
        (ENABLE_WA_05000074): Define.
        * config/bfin/bfin.c (bfin_cpus[]): Add WA_05000074 for all cpus.
        (bfin_gen_bundles): Put dsp32shiftimm instruction in slot[0].
        * config/bfin/bfin.md (define_attr type): Add dsp32shiftimm.
        (define_attr addrtype): Allow load/store register to be P register.
        (define_attr storereg): New.
        (define_cpu_unit anomaly_05000074): New.
        (define_insn_reservation dsp32shiftimm): New.
        (define_insn_reservation dsp32shiftimm_anomaly_05000074): New.
        (define_insn_reservation loadp): Cannot use slot2.
        (define_insn_reservation loadsp): Cannot use slot2.
        (define_insn_reservation storep): Cannot use slot2. Does not
        apply when working around 05000074.
        (define_insn_reservation storep_anomaly_05000074): New.
        (define_insn_reservation storei): Does not apply when working
        around 05000074.
        (define_insn_reservation storei_anomaly_05000074): New.
        (define_attr length): Add dsp32shiftimm case.
        (define_insn movsi_insn32, movsi_insv, ashlsi3_insn, ashrsi3,
        ror_one, rol_one, lshrsi3, lshrpdi3, ashrpdi3, movhiv2hi_low,
        movhiv2hi_high, composev2hi, packv2hi, movv2hi_hi,
        ssashiftv2hi3, ssashifthi3, ssashiftsi3, lshiftv2hi3, lshifthi3):
        Set type as dsp32shiftimm for dsp32shiftimm alternatives.

2009-09-07  Martin Jambor  <mjambor@suse.cz>

        PR middle-end/41282
        * tree-sra.c (create_artificial_child_access): Return NULL if
        build_ref_for_offset fails.
        (propagate_subacesses_accross_link): Allow build_ref_for_offset
        and create_artificial_child_access to fail.

2009-09-06  Dmitry Gorbachev  <d.g.gorbachev@gmail.com>

        PR c++/41214
        * unwind-dw2.c (uw_init_context_1): Mark noinline.
        * config/ia64/unwind-ia64.c (uw_init_context_1): Likewise.
        * config/xtensa/unwind-dw2-xtensa.c (uw_init_context_1): Likewise.

2009-09-07  Bernd Schmidt  <bernd.schmidt@analog.com>

        * config/bfin/bfin.c (bfin_optimize_loop): When creating a new basic
        block, ensure it has an exit edge.  Emit a barrier after a jump.

2009-09-07  Nick Clifton  <nickc@redhat.com>

        * gcc.c (this_is_linker_script): New variable.  Like
        this_is_library_file but for the %T constructor.
        (end_going_arg): If this_is_linker_script is set then locate the
        script and insert a --script switch before it
        (do_spec_2): Initialise this_is_linker_script.
        (do_spec_1): Likewise.  Handle %T construct.
        (eval_spec_function): Preserve this_is_linker_script.
        * doc/invoke.texi: Document %T construct in spec files.
        * config/m32c/m32c.h (LIB_SPEC): Use it.

2009-09-07  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

        * rtl.h (PREFETCH_SCHEDULE_BARRIER_P): New macro.
        * sched-deps.c (sched_analyze_2): Make prefetches a hard barrier
        when volatile flag is set.
        * doc/rtl.texi (PREFETCH_SCHEDULE_BARRIER_P): Add documentation pieces.

2009-09-06  Eric Botcazou  <ebotcazou@adacore.com>

        PR bootstrap/41241
        * combine-stack-adj.c (try_apply_stack_adjustment): Handle stores.
        (combine_stack_adjustments_for_block): Allow insns between stack
        adjustments and stores with corresponding pre-(dec|inc)rement or
        pre-modify operation.

2009-09-06  Jakub Jelinek  <jakub@redhat.com>

        PR bootstrap/41241
        * combine-stack-adj.c (struct csa_memlist): Rename to...
        (struct csa_reflist): ... this.  Rename mem field to ref.
        (free_csa_memlist): Rename to...
        (free_csa_reflist): ... this.
        (record_one_stack_memref): Rename to...
        (record_one_stack_ref): ... this.  Handle also REG_P.
        (try_apply_stack_adjustment): Handle also REG_P.
        (struct record_stack_memrefs_data): Rename to...
        (struct record_stack_refs_data): ... this.  Rename memlist field to
        reflist.
        (record_stack_memrefs): Rename to...
        (record_stack_refs): ... this.  For DEBUG_INSNs keep traversing
        subexpressions instead of failing when a MEM contains SP references.
        For SP itself in DEBUG_INSNs queue it also onto reflist chain.
        (combine_stack_adjustments_for_block): Adjust for mem to ref renaming.

2009-09-06  Richard Guenther  <rguenther@suse.de>

        PR middle-end/41144
        * tree.c (build_array_type): Do not record types marked
        with structural equality in the canonical type hashtable.

2009-09-06  Richard Guenther  <rguenther@suse.de>

        PR middle-end/41261
        * tree-ssa-alias.c (refs_may_alias_p_1): Bail out for function decls.

2009-09-05  Richard Guenther  <rguenther@suse.de>

        PR middle-end/41181
        * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use the correct type.

2009-09-05  Richard Guenther  <rguenther@suse.de>

        PR debug/41273
        * tree-ssa-operands.c (get_tmr_operands): Pass through opf_no_vops.

2009-09-05  Richard Guenther  <rguenther@suse.de>

        PR middle-end/41271
        * tree-ssa.c (useless_type_conversion_p): Drop qualifiers
        before comparing function argument types.

2009-09-05  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>

        PR target/41024
        * config/i386/mingw-w64.h (ASM_SPEC): Pass -v instead of -V to
        the assembler.

2009-09-04  Uros Bizjak  <ubizjak@gmail.com>

        Revert:
        2009-08-18  Uros Bizjak  <ubizjak@gmail.com>

        * config/alpha/alpha.c (alpha_output_mi_thunk_osf): Allocate insn
        locators before emit_insn is called.

2009-09-04  Vladimir Makarov  <vmakarov@redhat.com>

        PR bootstrap/41241
        * ira.c (update_equiv_reg): Revert my previous patch for the PR.
        * reginfo.c (resize_reg_info): Call allocate_reg_info if necessary.
        (reginfo_init): Don't call allocate_reg_info.

2009-09-04  Uros Bizjak  <ubizjak@gmail.com>

        PR target/41262
        * config/alpha/alpha.c (alpha_does_function_need_gp): Use
        NONDEBUG_INSN_P instead of INSN_P.

2009-09-04  Alexandre Oliva  <aoliva@redhat.com>

        PR debug/41225
        * tree-vect-stmts.c (vect_stmt_relevant_p): Skip debug uses.

2009-09-04  Alexandre Oliva  <aoliva@redhat.com>

        PR target/41252
        * config/arm/vfp.md (*cmpdf_split_vfp): Fix src mode in the second
        pattern of the split.

2009-09-04  Alexandre Oliva  <aoliva@redhat.com>

        * toplev.c (process_options): Move setter of flag_var_tracking
        before other tests that depend on it.  Move down setter of
        flag_rename_registers.  Don't enable var-tracking-assignments
        by default if selective scheduling is enabled.  Warn if both
        are enabled.

2009-09-04  Alexandre Oliva  <aoliva@redhat.com>

        * var-tracking.c (dv_is_decl_p): Adjust NULL behavior to match
        comment.  Use switch statement to catch overlaps between rtx
        and tree codes.  Accept FUNCTION_DECLs in addition to those in...
        (IS_DECL_CODE): ... here. Remove.
        (check_value_is_not_decl): Remove.
        (dv_from_decl, dv_from_value): Check after conversion.

2009-09-04  Richard Guenther  <rguenther@suse.de>

        PR middle-end/41257
        * (cgraph_finalize_compilation_unit): Move finalizing aliases
        after emitting tunks.  Move emitting thunks and ctors from ...
        (cgraph_optimize): ... here.  Remove redundant
        cgraph_analyze_functions.
        * varasm.c (find_decl_and_mark_needed): Remove no longer
        necessary check.
        (finish_aliases_1): Adjust check for thunk aliases.

2009-09-04  Daniel Gutson  <dgutson@codesourcery.com>

        * config/arm/arm.md (ctzsi2): Added braces
        to avoid warning that broke booststrap.

2009-09-04  Martin Jambor  <mjambor@suse.cz>

        PR tree-optimization/41112
        * tree-sra.c (build_ref_for_offset_1): Signal that we cannot
        handle variable-bounded arrays.
        (expr_with_var_bounded_array_refs_p): New function.
        (analyze_access_subtree): Call expr_with_var_bounded_array_refs_p.

2009-09-04  Wolfgang Gellerich  <gellerich@de.ibm.com>

        * config/s390/2097.md: Removed two incorrect bypasses.
        (z10_fsimpdf): Fixed latency.
        (z10_fhex): New insn_reservation.
        (z10_floaddf): Fixed latency.
        (z10_floadsf): Fixed latency.
        (z10_ftrunctf): Fixed latency.
        (z10_ftruncdf): Fixed latency.
        * config/s390/s390.c (z10_cost): Fixed values.
        (s390_adjust_priority): Added z10 path.
        * config/s390/s390.md (type): Added fhex.
        (*mov<mode>_64dfp): Updated type attribute.
        (*mov<mode>_64): Updated type attribute.
        (*mov<mode>_31): Updated type attribute.
        (*mov<mode>"): Likewise.
        * config/s390/2084.md (x_fsimpdf): Updated condition.

2009-09-04  Andreas Krebbel  <krebbel1@de.ibm.com>

        * config/s390/s390.md ("*fmadd<mode>", "*fmsub<mode>"): Enable mem
        RTXs in the predicate for operand 1.

2009-09-03  Daniel Gutson  <dgutson@codesourcery.com>

        * config/arm/arm.md (UNSPEC_RBIT): New constant.
        (rbitsi2): New insn.
        (ctzsi2): New expand.
        * config/arm/arm.h (CTZ_DEFINED_VALUE_AT_ZERO): New macro.

2009-09-03  Martin Jambor  <mjambor@suse.cz>

        * tree-sra.c (duplicate_expr_for_different_base): Removed.
        (create_artificial_child_access): Use build_ref_for_offset instead
        of duplicate_expr_for_different_base.
        (propagate_subacesses_accross_link): Likewise.

2009-09-03  Richard Sandiford  <rdsandiford@googlemail.com>

        * config/mips/mips.c (USEFUL_INSN_P): Use NONDEBUG_INSN_P instead
        of INSN_P.
        (mips16e_collect_argument_saves): Skip debug instructions.
        (mips_74k_agen_init): Use CALL_P || JUMP_P instead of !NONJUMP_INSN_P.
        (mips16_lay_out_constants): Use USEFUL_INSN_P instead of INSN_P.
        (r10k_insert_cache_barriers): Likewise.
        (mips_reorg_process_insns): Likewise.

2009-09-03  Vladimir Makarov  <vmakarov@redhat.com>

        PR bootstrap/41241
        * ira.c (update_equiv_reg): Remove check on class likely spill.

2009-09-03  Jakub Jelinek  <jakub@redhat.com>

        PR debug/41236
        * dwarf2out.c (loc_descriptor): Don't use SUBREG_REG macro on
        SIGN_EXTEND or ZERO_EXTEND.  Don't assume there is a REG inside of
        it or SUBREG.

        PR debug/41238
        * function.c (assign_parm_find_stack_rtl): Don't set mem attributes on
        the stack slot if it is passed by invisible reference.
        * var-tracking.c (vt_add_function_parameters): Handle arguments passed
        by invisible reference.

2009-09-03  Bernd Schmidt  <bernd.schmidt@analog.com>

        * config/bfin/linux.h (TARGET_SUPPORTS_SYNC_CALLS): Define to 1.
        * config/bfin/uclinux.h (TARGET_SUPPORTS_SYNC_CALLS): Define to 1.
        * config/bfin/bfin.h (TARGET_SUPPORTS_SYNC_CALLS): Provide default of
        0.
        * config/bfin/sync.md: New file.
        * config/bfin/bfin.md: Include it.
        (UNSPEC_ATOMIC): New.
        (UNSPEC_ONES): Provide a unique number.

        From Jie Zhang <jie.zhang@analog.com>:
        * config/bfin/bfin.c (ret_regs): New.
        (must_save_fp_p): Don't return true because of frame_pointer_needed.
        (must_save_rets_p): New.
        (n_regs_saved_by_prologue): Use must_save_rets_p instead of
        current_function_is_leaf.
        (do_link): Likewise.
        (do_unlink): Likewise.
        (expand_interrupt_handler_prologue): Use ret_regs array.
        (expand_interrupt_handler_epilogue): Use ret_regs array and
        pass return register to gen_return_internal.
        (bfin_expand_epilogue): Pass return register to
        gen_return_internal.
        (bfin_expand_call): Explicitly clobber RETS.
        * config/bfin/bfin.h (FUNCTION_RETURN_REGISTERS): Define.
        * config/bfin/bfin.md (call_symbol_fdpic, call_value_symbol_fdpic,
        call_insn_fdpic, call_value_insn_fdpic, call_symbol,
        call_value_symbol, call_insn, call_value_insn): Explicitly clobber
        RETS.
        (return_internal): Take a reg rtx rather than the register number.

2009-09-03  H.J. Lu  <hongjiu.lu@intel.com>

        * tree-parloops.c (parallelize_loops): Cast to HOST_WIDE_INT
        when comparing against estimated_loop_iterations_int return.

2009-09-03  Richard Guenther  <rguenther@suse.de>

        * dwarf2out.c (dwarf2out_do_cfi_asm): Remove check of
        eh_personality_libfunc.

2009-09-03  Razya Ladelsky  <razya@il.ibm.com>

        * tree-parloops.c (separate_decls_in_region): Add space.

2009-09-03  Razya Ladelsky  <razya@il.ibm.com>

        * tree-parloops.c (separate_decls_in_region): Change the condition
        checking if there are reductions in the loop.

2009-09-03  Razya Ladelsky  <razya@il.ibm.com>

        PR tree-optimization/38275
        * tree-parloops.c (parallelize_loops): Replace profitability condition
        for expected number of iterations.

2009-09-03  Alexandre Oliva  <aoliva@redhat.com>

        * doc/invoke.texi (BUILD_CONFIG): Document --with-build-config.
        (bootstrap-debug): Explain conditions in which it becomes default.
        (bootstrap-debug-big): Rather than duplicate bootstrap-debug,
        make it add to it.

2009-09-03  Namhyung Kim  <namhyung@gmail.com>

        * doc/invoke.texi (Optimize Options): Move
        -finline-small-functions to the -O2 list.

2009-09-03  Alexandre Oliva  <aoliva@redhat.com>

        * toplev.c (process_options): Enable var-tracking-assignments
        by default if var-tracking is enabled.

2009-09-02  David Daney  <ddaney@caviumnetworks.com>

        * cfgbuild.c (find_bb_boundaries): Split blocks containing a
        barrier.
        * emit-rtl.c (prev_nonnote_insn_bb): New function.
        * rtl.h (prev_nonnote_insn_bb): Declare it.

2009-09-03  Diego Novillo  <dnovillo@google.com>

        * cgraph.c (cgraph_node_for_decl): New.
        * cgraph.h (cgraph_node_for_decl): Declare.
        * tree.c (host_integerp): Return 0 if T is NULL.

2009-09-03  Diego Novillo  <dnovillo@google.com>

        * tree.h (struct alias_pair): Move from varasm.c.
        (alias_pairs): Likewise.
        (TYPE_MAXVAL): Define.
        (TYPE_MINVAL): Define.
        (iterative_hash_host_wide_int): Declare.
        (remove_unreachable_alias_pairs): Declare.
        * tree-pass.h (pass_ipa_free_lang_data): Declare.
        * diagnostic.c (default_diagnostic_starter): Make extern.
        (default_diagnostic_finalizer): Make extern.
        * diagnostic.h (default_diagnostic_starter): Declare.
        (default_diagnostic_finalizer): Declare.
        (default_tree_printer): Declare.
        * toplev.c (default_tree_printer): Make extern.

2009-09-03  Richard Guenther  <rguenther@suse.de>
            Diego Novillo  <dnovillo@google.com>

        * cgraph.c (cgraph_add_new_function): Remove gimplification.
        * cgraphunit.c (cgraph_expand_function): Do not emit
        associated thunks from here.
        (cgraph_emit_thunks): New.
        (cgraph_optimize): Call it.
        Return if any IPA pass finds an error.
        * varasm.c (finish_aliases_1): Ignore errorneous aliases used
        by thunks.

2009-09-03  Simon Baldwin  <simonb@google.com>
            Rafael Espindola  <espindola@google.com>
            Richard Guenther  <rguenther@suse.de>
            Doug Kwan  <dougkwan@google.com>
            Diego Novillo  <dnovillo@google.com>

        * tree.c: Include tree-pass.h, langhooks-def.h,
        diagnostic.h, cgraph.h, timevar.h, except.h and debug.h.
        (free_lang_data_in_type): New.
        (need_assembler_name_p): New.
        (free_lang_data_in_block): New.
        (free_lang_data_in_decl): New.
        (struct free_lang_data_d): New.
        (add_tree_to_fld_list): New.
        (find_decls_types_r): New.
        (get_eh_types_for_runtime): New.
        (find_decls_types_in_eh_region): New.
        (find_decls_types_in_node): New.
        (find_decls_types_in_var): New.
        (free_lang_data_in_cgraph): New.
        (free_lang_data): New.
        (gate_free_lang_data): New.
        (pass_ipa_free_lang_data): New.

2009-09-03  Diego Novillo  <dnovillo@google.com>

        * timevar.def (TV_IPA_FREE_LANG_DATA): Define.
        * langhooks.h (struct lang_hooks): Add field free_lang_data.
        (lang_hooks): Remove const qualifier.
        * ipa.c (cgraph_remove_unreachable_nodes): Call
        remove_unreachable_alias_pairs.
        * except.c (add_type_for_runtime): Check if TYPE has
        already been converted.
        (lookup_type_for_runtime): Likewise.
        (check_handled): Handle converted types.
        * varasm.c (remove_unreachable_alias_pairs): New.
        * gimple.c: Include demangle.h.
        (gimple_decl_printable_name): New.
        (gimple_fold_obj_type_ref): New.
        * gimple.h (gimple_decl_printable_name): Declare.
        (gimple_fold_obj_type_ref): Declare.
        * passes.c (init_optimization_passes): Add pass
        pass_ipa_free_lang_data.
        * langhooks-def.h (LANG_HOOKS_FREE_LANG_DATA): Define.
        (LANG_HOOKS_INITIALIZER): Add LANG_HOOKS_FREE_LANG_DATA.

2009-09-03  Diego Novillo  <dnovillo@google.com>

        * c-lang.c (lang_hooks): Remove const qualifier.

2009-09-02  Loren James Rittle  <ljrittle@acm.org>

        * doc/install.texi (*-*-freebsd*): Update target information.

2009-09-02  Anatoly Sokolov  <aesok@post.ru>

        * hard-reg-set.h (call_fixed_regs): Remove.
        * reginfo.c (call_fixed_regs): Remove.
        (init_reg_sets_1): Remove initialization of call_fixed_regs.
        (globalize_reg): Don't use call_fixed_regs.
        * caller-save.c (init_caller_save): Use call_fixed_reg_set instead of
        call_fixed_regs.

2009-09-01  Michael Matz  <matz@suse.de>

        * expr.h (emit_storent_insn, expand_expr_real_1,
        expand_expr_real_2): Declare.
        * expr.c (emit_storent_insn, expand_expr_real_1,
        expand_expr_real_2): Export.
        (store_expr): Setting and evaluating dont_return_target is useless.
        (expand_expr_real_1, <case GOTO_EXPR, RETURN_EXPR, SWITCH_EXPR,
        LABEL_EXPR and ASM_EXPR>): Move to gcc_unreachable.
        * except.c (expand_resx_expr): Rename to ...
        (expand_resx_stmt): ... this.  Rewrite to take gimple statement.
        * except.h (expand_resx_stmt): Declare.
        * stmt.c: Add include gimple.h
        (expand_asm_expr): Rename to ...
        (expand_asm_stmt): ... this. Rewrite to take gimple statement.
        (expand_case): Rewrite to take gimple statement.
        * tree.h (expand_asm_stmt): Declare.
        (expand_case): Change prototype.
        * Makefile.in (stmt.o): Depend on gimple.h.
        * builtins.c (expand_builtin_synchronize): Build gimple asm
        statement, not an ASM_EXPR.
        * cfgexpand.c (gimple_cond_pred_to_tree, set_expr_location_r,
        gimple_to_tree, release_stmt_tree): Remove.
        (expand_gimple_cond): Don't call gimple_cond_pred_to_tree or
        ggc_free, but hold comparison code and operands separately.
        Call jumpif_1 and jumpifnot_1 instead of jumpif and jumpifnot.
        (expand_call_stmt, expand_gimple_stmt_1,
        expand_gimple_stmt): New helpers.
        (expand_gimple_tailcall): Don't call gimple_to_tree, expand_expr_stmt,
        release_stmt_tree.  Call expand_gimple_stmt instead.
        (expand_gimple_basic_block): Ditto.

        * calls.c (emit_call_1): Don't look at EH regions here, make
        fntree parameter useless.
        (expand_call): New local rettype for TREE_TYPE(exp), use it
        throughout.  Remove local p, use addr instead.
        Don't look at EH regions here.

2009-09-02  Vladimir Makarov  <vmakarov@redhat.com>

        * doc/invoke.texi (-fsched-pressure): Document it.
        (-fsched-reg-pressure-heuristic): Remove it.

        * reload.c (ira.h): Include.
        (find_reloads): Add choosing reload on number of small spilled
        classes.

        * haifa-sched.c (ira.h): Include.
        (sched_pressure_p, sched_regno_cover_class, curr_reg_pressure,
        saved_reg_pressure, curr_reg_live, saved_reg_live,
        region_ref_regs): New variables.
        (sched_init_region_reg_pressure_info, mark_regno_birth_or_death,
        initiate_reg_pressure_info, setup_ref_regs,
        initiate_bb_reg_pressure_info, save_reg_pressure,
        restore_reg_pressure, dying_use_p, print_curr_reg_pressure): New
        functions.
        (setup_insn_reg_pressure_info): New function.
        (rank_for_schedule): Add pressure checking and insn issue time.
        Remove comparison of insn reg weights.
        (ready_sort): Set insn reg pressure info.
        (update_register_pressure, setup_insn_max_reg_pressure,
        update_reg_and_insn_max_reg_pressure,
        sched_setup_bb_reg_pressure_info): New functions.
        (schedule_insn): Add code for printing and updating reg pressure info.
        (find_set_reg_weight, find_insn_reg_weight): Remove.
        (ok_for_early_queue_removal): Do nothing if pressure_only_p.
        (debug_ready_list): Print reg pressure info.
        (schedule_block): Ditto.  Check insn issue time.
        (sched_init): Set up sched_pressure_p.  Allocate and set up some
        reg pressure related info.
        (sched_finish): Free some reg pressure related info.
        (fix_tick_ready): Make insn always ready if pressure_p.
        (init_h_i_d): Don't call find_insn_reg_weight.
        (haifa_finish_h_i_d): Free insn reg pressure info.

        * ira-int.h (ira_hard_regno_cover_class, ira_reg_class_nregs,
        ira_memory_move_cost, ira_class_hard_regs,
        ira_class_hard_regs_num, ira_no_alloc_regs,
        ira_available_class_regs, ira_reg_class_cover_size,
        ira_reg_class_cover, ira_class_translate): Move to ira.h.

        * ira-lives.c (single_reg_class): Check mode to find how many
        registers are necessary for operand.
        (ira_implicitly_set_insn_hard_regs): New.

        * common.opt (fsched-pressure): New options.
        (fsched-reg-pressure-heuristic): Remove.

        * ira.c (setup_eliminable_regset): Rename to
        ira_setup_eliminable_regset.  Make it external.
        (expand_reg_info): Pass cover class to setup_reg_classes.
        (ira): Call resize_reg_info instead of allocate_reg_info.

        * sched-deps.c: Include ira.h.
        (implicit_reg_pending_clobbers, implicit_reg_pending_uses): New.
        (create_insn_reg_use, create_insn_reg_set, setup_insn_reg_uses,
        reg_pressure_info, insn_use_p, mark_insn_pseudo_birth,
        mark_insn_hard_regno_birth, mark_insn_reg_birth,
        mark_pseudo_death, mark_hard_regno_death, mark_reg_death,
        mark_insn_reg_store, mark_insn_reg_clobber,
        setup_insn_reg_pressure_info): New.
        (sched_analyze_1): Update implicit_reg_pending_uses.
        (sched_analyze_insn): Find implicit sets, uses, clobbers of regs.
        Use them to create dependencies.  Set insn reg uses and pressure
        info.  Process reg_pending_uses in one place.
        (free_deps): Free implicit sets.
        (remove_from_deps): Remove implicit sets if necessary.  Check
        implicit sets when clearing reg_last_in_use.
        (init_deps_global): Clear implicit_reg_pending_clobbers and
        implicit_reg_pending_uses.

        * ira.h (ira_hard_regno_cover_class, ira_reg_class_nregs,
        ira_memory_move_cost, ira_class_hard_regs,
        ira_class_hard_regs_num, ira_no_alloc_regs,
        ira_available_class_regs, ira_reg_class_cover_size,
        ira_reg_class_cover, ira_class_translate): Move from ira-int.h.
        (ira_setup_eliminable_regset, ira_set_pseudo_classes,
        ira_implicitly_set_insn_hard_regs): New prototypes.

        * ira-costs.c (pseudo_classes_defined_p, allocno_p,
        cost_elements_num): New variables.
        (allocno_costs, total_costs): Rename to costs and
        total_allocno_costs.
        (COSTS_OF_ALLOCNO): Rename to COSTS.
        (allocno_pref): Rename to pref.
        (allocno_pref_buffer): Rename to pref_buffer.
        (common_classes): Rename to regno_cover_class.
        (COST_INDEX): New.
        (record_reg_classes): Set allocno attributes only if allocno_p.
        (record_address_regs): Ditto.  Use COST_INDEX instead of ALLOCNO_NUM.
        (scan_one_insn): Use COST_INDEX and COSTS instead of ALLOCNO_NUM
        and COSTS_OF_ALLOCNO.
        (print_costs): Rename to print_allocno_costs.
        (print_pseudo_costs): New.
        (process_bb_node_for_costs): Split into 2 functions with new
        function process_bb_for_costs.  Pass BB to process_bb_for_costs.
        (find_allocno_class_costs): Rename to find_costs_and_classes.  Add
        new parameter dump_file.  Use cost_elements_num instead of
        ira_allocnos_num.  Make one iteration if preferred classes were
        already calculated for scheduler.  Make 2 versions of code
        depending on allocno_p.
        (setup_allocno_cover_class_and_costs): Check allocno_p.  Use
        regno_cover_class and COSTS instead of common_classes and
        COSTS_OF_ALLOCNO.
        (init_costs, finish_costs): New.
        (ira_costs): Set up allocno_p and cost_elements_num.  Call
        init_costs and finish_costs.
        (ira_set_pseudo_classes): New.

        * rtl.h (allocate_reg_info): Remove.
        (resize_reg_info): Change return type.
        (reg_cover_class): New.
        (setup_reg_classes): Add new parameter.

        * sched-int.h (struct deps_reg): New member implicit_sets.
        (sched_pressure_p, sched_regno_cover_class): New external definitions.
        (INCREASE_BITS): New macro.
        (struct reg_pressure_data, struct reg_use_data): New.
        (struct _haifa_insn_data): Remove reg_weight.  Add members
        reg_pressure, reg_use_list, reg_set_list, and
        reg_pressure_excess_cost_change.
        (struct deps): New member implicit_sets.
        (pressure_p): New variable.
        (COVER_CLASS_BITS, INCREASE_BITS): New macros.
        (struct reg_pressure_data, struct reg_use_data): New.
        (INSN_REG_WEIGHT): Remove.
        (INSN_REG_PRESSURE, INSN_MAX_REG_PRESSURE, INSN_REG_USE_LIST,
        INSN_REG_SET_LIST, INSN_REG_PRESSURE_EXCESS_COST_CHANGE): New macros.
        (sched_init_region_reg_pressure_info,
        sched_setup_bb_reg_pressure_info): New prototypes.

        * reginfo.c (struct reg_pref): New member coverclass.
        (reg_cover_class): New function.
        (reginfo_init, pass_reginfo_init): Move after free_reg_info.
        (reg_info_size): New variable.
        (allocate_reg_info): Make static.  Setup reg_info_size.
        (resize_reg_info): Use reg_info_size.  Return flag of resizing.
        (setup_reg_classes): Add a new parameter.  Setup cover class too.

        * Makefile.in (reload.o, haifa-sched.o, sched-deps.o): Add ira.h to
        the dependencies.

        * sched-rgn.c (deps_join): Set up implicit_sets.
        (schedule_region): Set up region and basic blocks pressure
        relative info.

        * passes.c (init_optimization_passes): Move
        pass_subregs_of_mode_init before pass_sched.

2009-09-02  Martin Jambor  <mjambor@suse.cz>

        * tree-sra.c (struct access): New field grp_hint.
        (dump_access): Dump grp_hint.
        (sort_and_splice_var_accesses): Set grp_hint if a group is read
        multiple times.
        (analyze_access_subtree): Only scalarize accesses with grp_hint set or
        those which have been specifically read and somehow written to.
        (propagate_subacesses_accross_link): Set grp_hint of right child and
        also possibly of the left child.

2009-09-02  Jakub Jelinek  <jakub@redhat.com>

        * tree-object-size.c (addr_object_size): Always use object_size_type
        0 or 2 when determining the pointer pointed object size.

2009-09-02  Richard Guenther  <rguenther@suse.de>

        Revert
        2009-08-31  Richard Guenther  <rguenther@suse.de>

        * builtins.c (fold_builtin_memory_op): Use the alias oracle
        to query if the memory regions for memmove overlap.
        * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Relax the
        asserts on pointers, instead deal with odd trees.
        (ptr_derefs_may_alias_p): Likewise.
        (refs_may_alias_p_1): Constructor bases also never alias.

2009-08-01  Christian Bruel  <christian.bruel@st.com>

        Revert:
        2009-07-31  Christian Bruel  <christian.bruel@st.com>
        * gcc/config.gcc (sh*-*-elf): test with_libgloss.

2009-09-01  Alexandre Oliva  <aoliva@redhat.com>

        * doc/invoke.texi (-fvar-tracking-assignments): New.
        (-fvar-tracking-assignments-toggle): New.
        (-fdump-final-insns=file): Mark filename as optional.
        (--param min-nondebug-insn-uid): New.
        (-gdwarf-@{version}): Mention version 4.
        * opts.c (common_handle_option): Accept it.
        * tree-vrp.c (find_assert_locations_1): Skip debug stmts.
        * regrename.c (regrename_optimize): Drop last.  Don't count debug
        insns as uses.  Don't reject change because of debug insn.
        (do_replace): Reject DEBUG_INSN as chain starter.  Take base_regno
        from the chain starter, and check for inexact matches in DEBUG_INSNS.
        (scan_rtx_reg): Accept inexact matches in DEBUG_INSNs.
        (build_def_use): Simplify and fix the marking of DEBUG_INSNs.
        * sched-ebb.c (schedule_ebbs): Skip boundary debug insns.
        * fwprop.c (forward_propagate_and_simplify): ...into debug insns.
        * doc/gimple.texi (is_gimple_debug): New.
        (gimple_debug_bind_p): New.
        (is_gimple_call, gimple_assign_cast_p): End sentence with period.
        * doc/install.texi (bootstrap-debug): More details.
        (bootstrap-debug-big, bootstrap-debug-lean): Document.
        (bootstrap-debug-lib): More details.
        (bootstrap-debug-ckovw): Update.
        (bootstrap-time): New.
        * tree-into-ssa.c (mark_def_sites): Skip debug stmts.
        (insert_phi_nodes_for): Insert debug stmts.
        (rewrite_stmt): Take iterator.  Insert debug stmts.
        (rewrite_enter_block): Adjust.
        (maybe_replace_use_in_debug_stmt): New.
        (rewrite_update_stmt): Use it.
        (mark_use_interesting): Return early for debug stmts.
        * tree-ssa-loop-im.c (rewrite_bittest): Propagate DEFs into debug
        stmts before replacing stmt.
        (move_computations_stmt): Likewise.
        * ira-conflicts.c (add_copies): Skip debug insns.
        * regstat.c (regstat_init_n_sets_and_refs): Discount debug insns.
        (regstat_bb_compute_ri): Skip debug insns.
        * tree-ssa-threadupdate.c (redirection_block_p): Skip debug stmts.
        * tree-ssa-loop-manip.c (find_uses_to_rename_stmt,
        check_loop_closed_ssa_stmt): Skip debug stmts.
        * tree-tailcall.c (find_tail_calls): Likewise.
        * tree-ssa-loop-ch.c (should_duplicate_loop_header_p): Likewise.
        * tree.h (MAY_HAVE_DEBUG_STMTS): New.
        (build_var_debug_value_stat): Declare.
        (build_var_debug_value): Define.
        (target_for_debug_bind): Declare.
        * reload.c (find_equiv_reg): Skip debug insns.
        * rtlanal.c (reg_used_between_p): Skip debug insns.
        (side_effects_p): Likewise.
        (canonicalize_condition): Likewise.
        * ddg.c (create_ddg_dep_from_intra_loop_link): Check that non-debug
        insns never depend on debug insns.
        (create_ddg_dep_no_link): Likewise.
        (add_cross_iteration_register_deps): Use ANTI_DEP for debug insns.
        Don't add inter-loop dependencies for debug insns.
        (build_intra_loop_deps): Likewise.
        (create_ddg): Count debug insns.
        * ddg.h (struct ddg::num_debug): New.
        (num_backargs): Pair up with previous int field.
        * diagnostic.c (diagnostic_report_diagnostic): Skip notes on
        -fcompare-debug-second.
        * final.c (get_attr_length_1): Skip debug insns.
        (rest_of_clean-state): Don't dump CFA_RESTORE_STATE.
        * gcc.c (invoke_as): Call compare-debug-dump-opt.
        (driver_self_specs): Map -fdump-final-insns to
        -fdump-final-insns=..
        (get_local_tick): New.
        (compare_debug_dump_opt_spec_function): Test for . argument and
        compute output name.  Compute temp output spec without flag name.
        Compute -frandom-seed.
        (OPT): Undef after use.
        * cfgloopanal.c (num_loop_insns): Skip debug insns.
        (average_num_loop_insns): Likewise.
        * params.h (MIN_NONDEBUG_INSN_UID): New.
        * gimple.def (GIMPLE_DEBUG): New.
        * ipa-reference.c (scan_stmt_for_static_refs): Skip debug stmts.
        * auto-inc-dec.c (merge_in_block): Skip debug insns.
        (merge_in_block): Fix whitespace.
        * toplev.c (flag_var_tracking): Update comment.
        (flag_var_tracking_assignments): New.
        (flag_var_tracking_assignments_toggle): New.
        (process_options): Don't open final insns dump file if we're not
        going to write to it.  Compute defaults for var_tracking.
        * df-scan.c (df_insn_rescan_debug_internal): New.
        (df_uses_record): Handle debug insns.
        * haifa-sched.c (ready): Initialize n_debug.
        (contributes_to_priority): Skip debug insns.
        (dep_list_size): New.
        (priority): Use it.
        (rank_for_schedule): Likewise.  Schedule debug insns as soon as
        they're ready.  Disregard previous debug insns to make decisions.
        (queue_insn): Never queue debug insns.
        (ready_add, ready_remove_first, ready_remove): Count debug insns.
        (schedule_insn): Don't reject debug insns because of issue rate.
        (get_ebb_head_tail, no_real_insns_p): Skip boundary debug insns.
        (queue_to_ready): Skip and discount debug insns.
        (choose_ready): Let debug insns through.
        (schedule_block): Check boundary debug insns.  Discount debug
        insns, schedule them early.  Adjust whitespace.
        (set_priorities): Check for boundary debug insns.
        (add_jump_dependencies): Use dep_list_size.
        (prev_non_location_insn): New.
        (check_cfg): Use it.
        * tree-ssa-loop-ivopts.c (find-interesting_users): Skip debug
        stmts.
        (remove_unused_ivs): Reset debug stmts.
        * modulo-sched.c (const_iteration_count): Skip debug insns.
        (res_MII): Discount debug insns.
        (loop_single_full_bb_p): Skip debug insns.
        (sms_schedule): Likewise.
        (sms_schedule_by_order): Likewise.
        (ps_has_conflicts): Likewise.
        * caller-save.c (refmarker_fn): New.
        (save_call_clobbered_regs): Replace regs with saved mem in
        debug insns.
        (mark_referenced_regs): Take pointer, mark and arg.  Adjust.
        Call refmarker_fn mark for hardregnos.
        (mark_reg_as_referenced): New.
        (replace_reg_with_saved_mem): New.
        * ipa-pure-const.c (check_stmt): Skip debug stmts.
        * cse.c (cse_insn): Canonicalize debug insns.  Skip them when
        searching back.
        (cse_extended_basic_block): Skip debug insns.
        (count_reg_usage): Likewise.
        (is_dead_reg): New, split out of...
        (set_live_p): ... here.
        (insn_live_p): Use it for debug insns.
        * tree-stdarg.c (check_all_va_list_escapes): Skip debug stmts.
        (execute_optimize_stdarg): Likewise.
        * tree-ssa-dom.c (propagate_rhs_into_lhs): Likewise.
        * tree-ssa-propagate.c (substitute_and_fold): Don't regard
        changes in debug stmts as changes.
        * sel-sched.c (moving_insn_creates_bookkeeping_block_p): New.
        (moveup_expr): Don't move across debug insns.  Don't move
        debug insn if it would create a bookkeeping block.
        (moveup_expr_cached): Don't use cache for debug insns that
        are heads of blocks.
        (compute_av_set_inside_bb): Skip debug insns.
        (sel_rank_for_schedule): Schedule debug insns first.  Remove
        dead code.
        (block_valid_for_bookkeeping_p); Support lax searches.
        (create_block_for_bookkeeping): Adjust block numbers when
        encountering debug-only blocks.
        (find_place_for_bookkeeping): Deal with debug-only blocks.
        (generate_bookkeeping_insn): Accept no place to insert.
        (remove_temp_moveop_nops): New argument full_tidying.
        (prepare_place_to_insert): Deal with debug insns.
        (advance_state_on_fence): Debug insns don't start cycles.
        (update_boundaries): Take fence as argument.  Deal with
        debug insns.
        (schedule_expr_on_boundary): No full_tidying on debug insns.
        (fill_insns): Deal with debug insns.
        (track_scheduled_insns_and_blocks): Don't count debug insns.
        (need_nop_to_preserve_insn_bb): New, split out of...
        (remove_insn_from_stream): ... this.
        (fur_orig_expr_not_found): Skip debug insns.
        * rtl.def (VALUE): Move up.
        (DEBUG_INSN): New.
        * tree-ssa-sink.c (all_immediate_uses_same_place): Skip debug stmts.
        (nearest_common_dominator_of_uses): Take debug_stmts argument.
        Set it if debug stmts are found.
        (statement_sink_location): Skip debug stmts.  Propagate
        moving defs into debug stmts.
        * ifcvt.c (first_active_insn): Skip debug insns.
        (last_active_insns): Likewise.
        (cond_exec_process_insns): Likewise.
        (noce_process_if_block): Likewise.
        (check_cond_move_block): Likewise.
        (cond_move_convert_if_block): Likewise.
        (block_jumps_and_fallthru_p): Likewise.
        (dead_or_predicable): Likewise.
        * dwarf2out.c (debug_str_hash_forced): New.
        (find_AT_string): Add comment.
        (gen_label_for_indirect_string): New.
        (get_debug_string_label): New.
        (AT_string_form): Use it.
        (mem_loc_descriptor): Handle non-TLS symbols.  Handle MINUS , DIV,
        MOD, AND, IOR, XOR, NOT, ABS, NEG, and CONST_STRING.  Accept but
        discard COMPARE, IF_THEN_ELSE, ROTATE, ROTATERT, TRUNCATE and
        several operations that cannot be represented with DWARF opcodes.
        (loc_descriptor): Ignore SIGN_EXTEND and ZERO_EXTEND.  Require
        dwarf_version 4 for DW_OP_implicit_value and DW_OP_stack_value.
        (dwarf2out_var_location): Take during-call mark into account.
        (output_indirect_string): Update comment.  Output if there are
        label and references.
        (prune_indirect_string): New.
        (prune_unused_types): Call it if debug_str_hash_forced.
        More in dwarf2out.c, from Jakub Jelinek <jakub@redhat.com>:
        (dw_long_long_const): Remove.
        (struct dw_val_struct): Change val_long_long type to rtx.
        (print_die, attr_checksum, same_dw_val_p, loc_descriptor): Adjust for
        val_long_long change to CONST_DOUBLE rtx from a long hi/lo pair.
        (output_die): Likewise.  Use HOST_BITS_PER_WIDE_INT size of each
        component instead of HOST_BITS_PER_LONG.
        (output_loc_operands): Likewise.  For const8* assert
        HOST_BITS_PER_WIDE_INT rather than HOST_BITS_PER_LONG is >= 64.
        (output_loc_operands_raw): For const8* assert HOST_BITS_PER_WIDE_INT
        rather than HOST_BITS_PER_LONG is >= 64.
        (add_AT_long_long): Remove val_hi and val_lo arguments, add
        val_const_double.
        (size_of_die): Use HOST_BITS_PER_WIDE_INT size multiplier instead of
        HOST_BITS_PER_LONG for dw_val_class_long_long.
        (add_const_value_attribute): Adjust add_AT_long_long caller.  Don't
        handle TLS SYMBOL_REFs.  If CONST wraps a constant, tail recurse.
        (dwarf_stack_op_name): Handle DW_OP_implicit_value and
        DW_OP_stack_value.
        (size_of_loc_descr, output_loc_operands, output_loc_operands_raw):
        Handle DW_OP_implicit_value.
        (extract_int): Move prototype earlier.
        (mem_loc_descriptor): For SUBREG punt if inner
        mode size is wider than DWARF2_ADDR_SIZE.  Handle SIGN_EXTEND
        and ZERO_EXTEND by DW_OP_shl and DW_OP_shr{a,}.  Handle
        EQ, NE, GT, GE, LT, LE, GTU, GEU, LTU, LEU, SMIN, SMAX, UMIN,
        UMAX, SIGN_EXTRACT, ZERO_EXTRACT.
        (loc_descriptor): Compare mode size with DWARF2_ADDR_SIZE
        instead of Pmode size.
        (loc_descriptor): Add MODE argument.  Handle CONST_INT, CONST_DOUBLE,
        CONST_VECTOR, CONST, LABEL_REF and SYMBOL_REF if mode != VOIDmode,
        attempt to handle other expressions.  Don't handle TLS SYMBOL_REFs.
        (concat_loc_descriptor, concatn_loc_descriptor,
        loc_descriptor_from_tree_1): Adjust loc_descriptor callers.
        (add_location_or_const_value_attribute): Likewise.  For single
        location loc_lists attempt to use add_const_value_attribute
        for constant decls.  Add DW_AT_const_value even if
        NOTE_VAR_LOCATION is VAR_LOCATION with CONSTANT_P or CONST_STRING
        in its expression.
        * cfgbuild.c (inside_basic_block_p): Handle debug insns.
        (control_flow_insn_p): Likewise.
        * tree-parloops.c (eliminate_local_variables_stmt): Handle debug stmt.
        (separate_decls_in_region_debug_bind): New.
        (separate_decls_in_region): Process debug bind stmts afterwards.
        * recog.c (verify_changes): Handle debug insns.
        (extract_insn): Likewise.
        (peephole2_optimize): Skip debug insns.
        * dse.c (scan_insn): Skip debug insns.
        * sel-sched-ir.c (return_nop_to_pool): Take full_tidying argument.
        Pass it on.
        (setup_id_for_insn): Handle debug insns.
        (maybe_tidy_empty_bb): Adjust whitespace.
        (tidy_control_flow): Skip debug insns.
        (sel_remove_insn): Adjust for debug insns.
        (sel_estimate_number_of_insns): Skip debug insns.
        (create_insn_rtx_from_pattern): Handle debug insns.
        (create_copy_of_insn_rtx): Likewise.
        * sel-sched-.h (sel_bb_end): Declare.
        (sel_bb_empty_or_nop_p): New.
        (get_all_loop_exits): Use it.
        (_eligible_successor_edge_p): Likewise.
        (return_nop_to_pool): Adjust.
        * tree-eh.c (tre_empty_eh_handler_p): Skip debug stmts.
        * ira-lives.c (process_bb_node_lives): Skip debug insns.
        * gimple-pretty-print.c (dump_gimple_debug): New.
        (dump_gimple_stmt): Use it.
        (dump_bb_header): Skip gimple debug stmts.
        * regmove.c (optimize_reg_copy_1): Discount debug insns.
        (fixup_match_2): Likewise.
        (regmove_backward_pass): Likewise.  Simplify combined
        replacement.  Handle debug insns.
        * function.c (instantiate_virtual_regs): Handle debug insns.
        * function.h (struct emit_status): Add x_cur_debug_insn_uid.
        * print-rtl.h: Include cselib.h.
        (print_rtx): Print VALUEs.  Split out and recurse for VAR_LOCATIONs.
        * df.h (df_inns_rescan_debug_internal): Declare.
        * gcse.c (alloc_hash_table): Estimate n_insns.
        (cprop_insn): Don't regard debug insns as changes.
        (bypass_conditional_jumps): Skip debug insns.
        (one_pre_gcse_pass): Adjust.
        (one_code_hoisting_pass): Likewise.
        (compute_ld_motion_mems): Skip debug insns.
        (one_cprop_pass): Adjust.
        * tree-if-conv.c (tree_if_convert_stmt): Reset debug stmts.
        (if_convertible_stmt_p): Handle debug stmts.
        * init-regs.c (initialize_uninitialized_regs): Skip debug insns.
        * tree-vect-loop.c (vect_is_simple_reduction): Skip debug stmts.
        * ira-build.c (create_bb_allocnos): Skip debug insns.
        * tree-flow-inline.h (has_zero_uses): Discount debug stmts.
        (has_single_use): Likewise.
        (single_imm_use): Likewise.
        (num_imm_uses): Likewise.
        * tree-ssa-phiopt.c (empty_block_p): Skip debug stmts.
        * tree-ssa-coalesce.c (build_ssa_conflict_graph): Skip debug stmts.
        (create_outofssa_var_map): Likewise.
        * lower-subreg.c (adjust_decomposed_uses): New.
        (resolve_debug): New.
        (decompose_multiword_subregs): Use it.
        * tree-dfa.c (find_referenced_vars): Skip debug stmts.
        * emit-rtl.c: Include params.h.
        (cur_debug_insn_uid): Define.
        (set_new_first_and_last_insn): Set cur_debug_insn_uid too.
        (copy_rtx_if_shared_1): Handle debug insns.
        (reset_used_flags): Likewise.
        (set_used_flags): LIkewise.
        (get_max_insn_count): New.
        (next_nondebug_insn): New.
        (prev_nondebug_insn): New.
        (make_debug_insn_raw): New.
        (emit_insn_before_noloc): Handle debug insns.
        (emit_jump_insn_before_noloc): Likewise.
        (emit_call_insn_before_noloc): Likewise.
        (emit_debug_insn_before_noloc): New.
        (emit_insn_after_noloc): Handle debug insns.
        (emit_jump_insn_after_noloc): Likewise.
        (emit_call_insn_after_noloc): Likewise.
        (emit_debug_insn_after_noloc): Likewise.
        (emit_insn_after): Take loc from earlier non-debug insn.
        (emit_jump_insn_after): Likewise.
        (emit_call_insn_after): Likewise.
        (emit_debug_insn_after_setloc): New.
        (emit_debug_insn_after): New.
        (emit_insn_before): Take loc from later non-debug insn.
        (emit_jump_insn_before): Likewise.
        (emit_call_insn_before): Likewise.
        (emit_debug_insn_before_setloc): New.
        (emit_debug_insn_before): New.
        (emit_insn): Handle debug insns.
        (emit_debug_insn): New.
        (emit_jump_insn): Handle debug insns.
        (emit_call_insn): Likewise.
        (emit): Likewise.
        (init_emit): Take min-nondebug-insn-uid into account.
        Initialize cur_debug_insn_uid.
        (emit_copy_of_insn_after): Handle debug insns.
        * cfgexpand.c (gimple_assign_rhs_to_tree): Do not overwrite
        location of single rhs in place.
        (maybe_dump_rtl_for_gimple_stmt): Dump lineno.
        (floor_sdiv_adjust): New.
        (cell_sdiv_adjust): New.
        (cell_udiv_adjust): New.
        (round_sdiv_adjust): New.
        (round_udiv_adjust): New.
        (wrap_constant): Moved from cselib.
        (unwrap_constant): New.
        (expand_debug_expr): New.
        (expand_debug_locations): New.
        (expand_gimple_basic_block): Drop hiding redeclaration.  Expand
        debug bind stmts.
        (gimple_expand_cfg): Expand debug locations.
        * cselib.c: Include tree-pass.h.
        (struct expand_value_data): New.
        (cselib_record_sets_hook): New.
        (PRESERVED_VALUE_P, LONG_TERM_PRESERVED_VALUE_P): New.
        (cselib_clear_table): Move, and implemnet in terms of...
        (cselib_reset_table_with_next_value): ... this.
        (cselib_get_next_unknown_value): New.
        (discard_useless_locs): Don't discard preserved values.
        (cselib_preserve_value): New.
        (cselib_preserved_value_p): New.
        (cselib_preserve_definitely): New.
        (cselib_clear_preserve): New.
        (cselib_preserve_only_values): New.
        (new_cselib_val): Take rtx argument.  Dump it in details.
        (cselib_lookup_mem): Adjust.
        (expand_loc): Take regs_active in struct.  Adjust.  Silence
        dumps unless details are requested.
        (cselib_expand_value_rtx_cb): New.
        (cselib_expand_value_rtx): Rename and reimplment in terms of...
        (cselib_expand_value_rtx_1): ... this.  Adjust.  Silence dumps
        without details.  Copy more subregs.  Try to resolve values
        using a callback.  Wrap constants.
        (cselib_subst_to_values): Adjust.
        (cselib_log_lookup): New.
        (cselib_lookup): Call it.
        (cselib_invalidate_regno): Don't count preserved values as useless.
        (cselib_invalidate_mem): Likewise.
        (cselib_record_set): Likewise.
        (struct set): Renamed to cselib_set, moved to cselib.h.
        (cselib_record_sets): Adjust.  Call hook.
        (cselib_process_insn): Reset table when it would be cleared.
        (dump_cselib_val): New.
        (dump_cselib_table): New.
        * tree-cfgcleanup.c (tree_forwarded_block_p): Skip debug stmts.
        (remove_forwarder_block): Support moving debug stmts.
        * cselib.h (cselib_record_sets_hook): Declare.
        (cselib_expand_callback): New type.
        (cselib_expand_value_rtx_cb): Declare.
        (cselib_reset_table_with_next_value): Declare.
        (cselib_get_next_unknown_value): Declare.
        (cselib_preserve_value): Declare.
        (cselib_preserved_value_p): Declare.
        (cselib_preserve_only_values): Declare.
        (dump_cselib_table): Declare.
        * cfgcleanup.c (flow_find_cross_jump): Skip debug insns.
        (try_crossjump_to_edge): Likewise.
        (delete_unreachable_blocks): Remove dominant GIMPLE blocks after
        dominated blocks when debug stmts are present.
        * simplify-rtx.c (delegitimize_mem_from_attrs): New.
        * tree-ssa-live.c (remove_unused_locals): Skip debug stmts.
        (set_var_live_on_entry): Likewise.
        * loop-invariant.c (find_invariants_bb): Skip debug insns.
        * cfglayout.c (curr_location, last_location): Make static.
        (set_curr_insn_source_location): Don't avoid bouncing.
        (get_curr_insn_source_location): New.
        (get_curr_insn_block): New.
        (duplicate_insn_chain): Handle debug insns.
        * tree-ssa-forwprop.c (forward_propagate_addr_expr): Propagate
        into debug stmts.
        * common.opt (fcompare-debug): Move to sort order.
        (fdump-unnumbered-links): Likewise.
        (fvar-tracking-assignments): New.
        (fvar-tracking-assignments-toggle): New.
        * tree-ssa-dce.c (mark_stmt_necessary): Don't mark blocks
        because of debug stmts.
        (mark_stmt_if_obviously_necessary): Mark debug stmts.
        (eliminate_unnecessary_stmts): Walk dominated blocks before
        dominators.
        * tree-ssa-ter.c (find_replaceable_in_bb): Skip debug stmts.
        * ira.c (memref_used_between_p): Skip debug insns.
        (update_equiv_regs): Likewise.
        * sched-deps.c (sd_lists_size): Accept empty list.
        (sd_init_insn): Mark debug insns.
        (sd_finish_insn): Unmark them.
        (sd_add_dep): Reject non-debug deps on debug insns.
        (fixup_sched_groups): Give debug insns group treatment.
        Skip debug insns.
        (sched_analyze_reg): Don't mark debug insns for sched before call.
        (sched_analyze_2): Handle debug insns.
        (sched_analyze_insn): Compute next non-debug insn.  Handle debug
        insns.
        (deps_analyze_insn): Handle debug insns.
        (deps_start_bb): Skip debug insns.
        (init_deps): Initialize last_debug_insn.
        * tree-ssa.c (target_for_debug_bind): New.
        (find_released_ssa_name): New.
        (propagate_var_def_into_debug_stmts): New.
        (propagate_defs_into_debug_stmts): New.
        (verify_ssa): Skip debug bind stmts without values.
        (warn_uninialized_vars): Skip debug stmts.
        * target-def.h (TARGET_DELEGITIMIZE_ADDRESS): Set default.
        * rtl.c (rtx_equal_p_cb): Handle VALUEs.
        (rtx_equal_p): Likewise.
        * ira-costs.c (scan_one_insn): Skip debug insns.
        (process_bb_node_for_hard_reg_moves): Likewise.
        * rtl.h (DEBUG_INSN_P): New.
        (NONDEBUG_INSN_P): New.
        (MAY_HAVE_DEBUG_INSNS): New.
        (INSN_P): Accept debug insns.
        (RTX_FRAME_RELATED_P): Likewise.
        (INSN_DELETED_P): Likewise
        (PAT_VAR_LOCATION_DECL): New.
        (PAT_VAR_LOCATION_LOC): New.
        (PAT_VAR_OCATION_STATUS): New.
        (NOTE_VAR_LOCATION_DECL): Reimplement.
        (NOTE_VAR_LOCATION_LOC): Likewise.
        (NOTE_VAR_LOCATION_STATUS): Likewise.
        (INSN_VAR_LOCATION): New.
        (INSN_VAR_LOCATION_DECL): New.
        (INSN_VAR_LOCATION_LOC): New.
        (INSN_VAR_LOCATION_STATUS): New.
        (gen_rtx_UNKNOWN_VAR_LOC): New.
        (VAR_LOC_UNKNOWN_P): New.
        (NOTE_DURING_CALL_P): New.
        (SCHED_GROUP_P): Accept debug insns.
        (emit_debug_insn_before): Declare.
        (emit_debug_insn_before_noloc): Declare.
        (emit_debug_insn_beore_setloc): Declare.
        (emit_debug_insn_after): Declare.
        (emit_debug_insn_after_noloc): Declare.
        (emit_debug_insn_after_setloc): Declare.
        (emit_debug_insn): Declare.
        (make_debug_insn_raw): Declare.
        (prev_nondebug_insn): Declare.
        (next_nondebug_insn): Declare.
        (delegitimize_mem_from_attrs): Declare.
        (get_max_insn_count): Declare.
        (wrap_constant): Declare.
        (unwrap_constant): Declare.
        (get_curr_insn_source_location): Declare.
        (get_curr_insn_block): Declare.
        * tree-inline.c (insert_debug_decl_map): New.
        (processing_debug_stmt): New.
        (remap_decl): Don't create new mappings in debug stmts.
        (remap_gimple_op_r): Don't add references in debug stmts.
        (copy_tree_body_r): Likewise.
        (remap_gimple_stmt): Handle debug bind stmts.
        (copy_bb): Skip debug stmts.
        (copy_edges_for_bb): Likewise.
        (copy_debug_stmt): New.
        (copy_debug_stmts): New.
        (copy_body): Copy debug stmts at the end.
        (insert_init_debug_bind): New.
        (insert_init_stmt): Take id.  Skip and emit debug stmts.
        (setup_one_parameter): Remap variable earlier, register debug mapping.
        (estimate_num_insns): Skip debug stmts.
        (expand_call_inline): Preserve debug_map.
        (optimize_inline_calls): Check for no debug_stmts left-overs.
        (unsave_expr_now): Preserve debug_map.
        (copy_gimple_seq_and_replace_locals): Likewise.
        (tree_function_versioning): Check for no debug_stmts left-overs.
        Init and destroy debug_map as needed.  Split edges unconditionally.
        (build_duplicate_type): Init and destroy debug_map as needed.
        * tree-inline.h: Include gimple.h instead of pointer-set.h.
        (struct copy_body_data): Add debug_stmts and debug_map.
        * sched-int.h (struct ready_list): Add n_debug.
        (struct deps): Add last_debug_insn.
        (DEBUG_INSN_SCHED_P): New.
        (BOUNDARY_DEBUG_INSN_P): New.
        (SCHEDULE_DEBUG_INSN_P): New.
        (sd_iterator_cond): Accept empty list.
        * combine.c (create_log_links): Skip debug insns.
        (combine_instructions): Likewise.
        (cleanup_auto_inc_dec): New.  From Jakub Jelinek: Make sure the
        return value is always unshared.
        (struct rtx_subst_pair): New.
        (auto_adjust_pair): New.
        (propagate_for_debug_subst): New.
        (propagate_for_debug): New.
        (try_combine): Skip debug insns.  Propagate removed defs into
        debug insns.
        (next_nonnote_nondebug_insn): New.
        (distribute_notes): Use it.  Skip debug insns.
        (distribute_links): Skip debug insns.
        * tree-outof-ssa.c (set_location_for_edge): Likewise.
        * resource.c (mark_target_live_regs): Likewise.
        * var-tracking.c: Include cselib.h and target.h.
        (enum micro_operation_type): Add MO_VAL_USE, MO_VAL_LOC, and
        MO_VAL_SET.
        (micro_operation_type_name): New.
        (enum emit_note_where): Add EMIT_NOTE_AFTER_CALL_INSN.
        (struct micro_operation_def): Update comments.
        (decl_or_value): New type.  Use instead of decls.
        (struct emit_note_data_def): Add vars.
        (struct attrs_def): Use decl_or_value.
        (struct variable_tracking_info_def): Add permp, flooded.
        (struct location_chain_def): Update comment.
        (struct variable_part_def): Use decl_or_value.
        (struct variable_def): Make var_part a variable length array.
        (valvar_pool): New.
        (scratch_regs): New.
        (cselib_hook_called): New.
        (dv_is_decl_p): New.
        (dv_is_value_p): New.
        (dv_as_decl): New.
        (dv_as_value): New.
        (dv_as_opaque): New.
        (dv_onepart_p): New.
        (dv_pool): New.
        (IS_DECL_CODE): New.
        (check_value_is_not_decl): New.
        (dv_from_decl): New.
        (dv_from_value): New.
        (dv_htab_hash): New.
        (variable_htab_hash): Use it.
        (variable_htab_eq): Support values.
        (variable_htab_free): Free from the right pool.
        (attrs_list_member, attrs_list_insert): Use decl_or_value.
        (attrs_list_union): Adjust.
        (attrs_list_mpdv_union): New.
        (tie_break_pointers): New.
        (canon_value_cmp): New.
        (unshare_variable): Return possibly-modified slot.
        (vars_copy_1): Adjust.
        (var_reg_decl_set): Adjust.  Split out of...
        (var_reg_set): ... this.
        (get_init_value): Adjust.
        (var_reg_delete_and_set): Adjust.
        (var_reg_delete): Adjust.
        (var_regno_delete): Adjust.
        (var_mem_decl_set): Split out of...
        (var_mem_set): ... this.
        (var_mem_delete_and_set): Adjust.
        (var_mem_delete): Adjust.
        (val_store): New.
        (val_reset): New.
        (val_resolve): New.
        (variable_union): Adjust.  Speed up merge of 1-part vars.
        (variable_canonicalize): Use unshared slot.
        (VALUED_RECURSED_INTO): New.
        (find_loc_in_1pdv): New.
        (struct dfset_merge): New.
        (insert_into_intersection): New.
        (intersect_loc_chains): New.
        (loc_cmp): New.
        (canonicalize_loc_order_check): New.
        (canonicalize_values_mark): New.
        (canonicalize_values_star): New.
        (variable_merge_over_cur): New.
        (variable_merge_over_src): New.
        (dataflow_set_merge): New.
        (dataflow_set_equiv_regs): New.
        (remove_duplicate_values): New.
        (struct dfset_post_merge): New.
        (variable_post_merge_new_vals): New.
        (variable_post_merge_perm_vals): New.
        (dataflow_post_merge_adjust): New.
        (find_mem_expr_in_1pdv): New.
        (dataflow_set_preserve_mem_locs): New.
        (dataflow_set_remove_mem_locs): New.
        (dataflow_set_clear_at_call): New.
        (onepart_variable_different_p): New.
        (variable_different_p): Use it.
        (dataflow_set_different_1): Adjust.  Make detailed dump more verbose.
        (track_expr_p): Add need_rtl parameter.  Don't generate rtl
        if not needed.
        (track_loc_p): Pass it true.
        (struct count_use_info): New.
        (find_use_val): New.
        (replace_expr_with_values): New.
        (log_op_type): New.
        (use_type): New, partially split out of...
        (count_uses): ... this.  Count new micro-ops.
        (count_uses_1): Adjust.
        (count_stores): Adjust.
        (count_with_sets): New.
        (VAL_NEEDS_RESOLUTION): New.
        (VAL_HOLDS_TRACK_EXPR): New.
        (VAL_EXPR_IS_COPIED): New.
        (VAL_EXPR_IS_CLOBBERED): New.
        (add_uses): Adjust.  Generate new micro-ops.
        (add_uses_1): Adjust.
        (add_stores): Generate new micro-ops.
        (add_with_sets): New.
        (find_src_status): Adjust.
        (find_src_set_src): Adjust.
        (compute_bb_dataflow): Use dataflow_set_clear_at_call.
        Handle new micro-ops.  Canonicalize value equivalances.
        (vt_find_locations): Compute total size of hash tables for
        dumping.  Perform merge for var-tracking-assignments.  Don't
        disregard single-block loops.
        (dump_attrs_list): Handle decl_or_value.
        (dump_variable): Take variable.  Deal with decl_or_value.
        (dump_variable_slot): New.
        (dump_vars): Use it.
        (dump_dataflow_sets): Adjust.
        (set_slot_part): New, extended to support one-part variables
        after splitting out of...
        (set_variable_part): ... this.
        (clobber_slot_part): New, split out of...
        (clobber_variable_part): ... this.
        (delete_slot_part): New, split out of...
        (delete_variable_part): .... this.
        (check_wrap_constant): New.
        (vt_expand_loc_callback): New.
        (vt_expand_loc): New.
        (emit_note_insn_var_location): Adjust.  Handle values.  Handle
        EMIT_NOTE_AFTER_CALL_INSN.
        (emit_notes_for_differences_1): Adjust.  Handle values.
        (emit_notes_for_differences_2): Likewise.
        (emit_notes_for_differences): Adjust.
        (emit_notes_in_bb): Take pointer to set.  Emit AFTER_CALL_INSN notes.
        Adjust.  Handle new micro-ops.
        (vt_add_function_parameters): Adjust.  Create and bind values.
        (vt_initialize): Adjust.  Initialize scratch_regs and
        valvar_pool, flooded and perm..  Initialize and use cselib.  Log
        operations.  Move some code to count_with_sets and add_with_sets.
        (delete_debug_insns): New.
        (vt_debug_insns_local): New.
        (vt_finalize): Release permp, valvar_pool, scratch_regs.  Finish
        cselib.
        (var_tracking_main): If var-tracking-assignments is enabled
        but var-tracking isn't, delete debug insns and leave.  Likewise
        if we exceed limits or fail the stack adjustments tests, and
        after all var-tracking processing.
        More in var-tracking, from Jakub Jelinek <jakub@redhat.com>:
        (dataflow_set): Add traversed_vars.
        (value_chain, const_value_chain): New typedefs.
        (value_chain_pool, value_chains): New variables.
        (value_chain_htab_hash, value_chain_htab_eq, add_value_chain,
        add_value_chains, add_cselib_value_chains, remove_value_chain,
        remove_value_chains, remove_cselib_value_chains): New functions.
        (shared_hash_find_slot_unshare_1, shared_hash_find_slot_1,
        shared_hash_find_slot_noinsert_1, shared_hash_find_1): New
        static inlines.
        (shared_hash_find_slot_unshare, shared_hash_find_slot,
        shared_hash_find_slot_noinsert, shared_hash_find): Update.
        (dst_can_be_shared): New variable.
        (unshare_variable): Unshare set->vars if shared, use shared_hash_*.
        Clear dst_can_be_shared.  If set->traversed_vars is non-NULL and
        different from set->vars, look up slot again instead of using the
        passed in slot.
        (dataflow_set_init): Initialize traversed_vars.
        (variable_union): Use shared_hash_*.  Use initially NO_INSERT
        lookup if set->vars is shared.  Don't keep slot cleared before
        calling unshare_variable.  Unshare set->vars if needed.  Adjust
        unshare_variable callers.  Clear dst_can_be_shared if needed.
        Even ->refcount == 1 vars must be unshared if set->vars is shared
        and var needs to be modified.
        (dataflow_set_union): Set traversed_vars during canonicalization.
        (VALUE_CHANGED, DECL_CHANGED): Define.
        (set_dv_changed, dv_changed_p): New static inlines.
        (track_expr_p): Clear DECL_CHANGED.
        (dump_dataflow_sets): Set it.
        (variable_was_changed): Call set_dv_changed.
        (emit_note_insn_var_location): Likewise.
        (changed_variables_stack): New variable.
        (check_changed_vars_1, check_changed_vars_2): New functions.
        (emit_notes_for_changes): Do nothing if changed_variables is
        empty.  Traverse changed_variables with check_changed_vars_1,
        call check_changed_vars_2 on each changed_variables_stack entry.
        (emit_notes_in_bb): Add SET argument.  Just clear it at the
        beginning, use it instead of local &set, don't destroy it at the end.
        (vt_emit_notes): Call dataflow_set_clear early on all
        VTI(bb)->out sets, never use them, instead use emit_notes_in_bb
        computed set, dataflow_set_clear also VTI(bb)->in when we are
        done with the basic block.  Initialize changed_variables_stack,
        free it afterwards.  If ENABLE_CHECKING verify that after noting
        differences to an empty set value_chains hash table is empty.
        (vt_initialize): Initialize value_chains and value_chain_pool.
        (vt_finalize): Delete value_chains htab, free value_chain_pool.
        (variable_tracking_main): Call dump_dataflow_sets before calling
        vt_emit_notes, not after it.
        * tree-flow.h (propagate_defs_into_debug_stmts): Declare.
        (propagate_var_def_into_debug_stmts): Declare.
        * df-problems.c (df_lr_bb_local_compute): Skip debug insns.
        (df_set_note): Reject debug insns.
        (df_whole_mw_reg_dead_p): Take added_notes_p argument.  Don't
        add notes to debug insns.
        (df_note_bb_compute): Adjust.  Likewise.
        (df_simulate_uses): Skip debug insns.
        (df_simulate_initialize_backwards): Likewise.
        * reg-stack.c (subst_stack_regs_in_debug_insn): New.
        (subst_stack_regs_pat): Reject debug insns.
        (convert_regs_1): Handle debug insns.
        * Makefile.in (TREE_INLINE_H): Take pointer-set.h from GIMPLE_H.
        (print-rtl.o): Depend on cselib.h.
        (cselib.o): Depend on TREE_PASS_H.
        (var-tracking.o): Depend on cselib.h and TARGET_H.
        * sched-rgn.c (rgn_estimate_number_of_insns): Discount debug insns.
        (init_ready_list): Skip boundary debug insns.
        (add_branch_dependences): Skip debug insns.
        (free_block_dependencies): Check for blocks with only debug insns.
        (compute_priorities): Likewise.
        * gimple.c (gss_for_code): Handle GIMPLE_DEBUG.
        (gimple_build_with_ops_stat): Take subcode as unsigned.  Adjust
        all callers.
        (gimple_build_debug_bind_stat): New.
        (empty_body_p): Skip debug stmts.
        (gimple_has_side_effects): Likewise.
        (gimple_rhs_has_side_effects): Likewise.
        * gimple.h (enum gimple_debug_subcode, GIMPLE_DEBUG_BIND): New.
        (gimple_build_debug_bind_stat): Declare.
        (gimple_build_debug_bind): Define.
        (is_gimple_debug): New.
        (gimple_debug_bind_p): New.
        (gimple_debug_bind_get_var): New.
        (gimple_debug_bind_get_value): New.
        (gimple_debug_bind_get_value_ptr): New.
        (gimple_debug_bind_set_var): New.
        (gimple_debug_bind_set_value): New.
        (GIMPLE_DEBUG_BIND_NOVALUE): New internal temporary macro.
        (gimple_debug_bind_reset_value): New.
        (gimple_debug_bind_has_value_p): New.
        (gsi_next_nondebug): New.
        (gsi_prev_nondebug): New.
        (gsi_start_nondebug_bb): New.
        (gsi_last_nondebug_bb): New.
        * sched-vis.c (print_pattern): Handle VAR_LOCATION.
        (print_insn): Handle DEBUG_INSN.
        * tree-cfg.c (remove_bb): Walk stmts backwards.  Let loc
        of first insn prevail.
        (first_stmt): Skip debug stmts.
        (first_non_label_stmt): Likewise.
        (last_stmt): Likewise.
        (has_zero_uses_1): New.
        (single_imm_use_1): New.
        (verify_gimple_debug): New.
        (verify_types_in_gimple_stmt): Handle debug stmts.
        (verify_stmt): Likewise.
        (debug_loop_num): Skip debug stmts.
        (remove_edge_and_dominated_blocks): Remove dominators last.
        * tree-ssa-reasssoc.c (rewrite_expr_tree): Propagate into debug stmts.
        (linearize_expr): Likewise.
        * config/i386/i386.c (ix86_delegitimize_address): Call
        default implementation.
        * config/ia64/ia64.c (ia64_safe_itanium_class): Handle debug insns.
        (group_barrier_needed): Skip debug insns.
        (emit_insn_group_barriers): Likewise.
        (emit_all_insn_group_barriers): Likewise.
        (ia64_variable_issue): Handle debug insns.
        (ia64_dfa_new_cycle): Likewise.
        (final_emit_insn_group_barriers): Skip debug insns.
        (ia64_dwarf2out_def_steady_cfa): Take frame argument.  Don't
        def cfa without frame.
        (process_set): Likewise.
        (process_for_unwind_directive): Pass frame on.
        * config/rs6000/rs6000.c (TARGET_DELEGITIMIZE_ADDRESS): Define.
        (rs6000_delegitimize_address): New.
        (rs6000_debug_adjust_cost): Handle debug insns.
        (is_microcoded_insn): Likewise.
        (is_cracked_insn): Likewise.
        (is_nonpipeline_insn): Likewise.
        (insn_must_be_first_in_group): Likewise.
        (insn_must_be_last_in_group): Likewise.
        (force_new_group): Likewise.
        * cfgrtl.c (rtl_split_block): Emit INSN_DELETED note if block
        contains only debug insns.
        (rtl_merge_blocks): Skip debug insns.
        (purge_dead_edges): Likewise.
        (rtl_block_ends_with_call_p): Skip debug insns.
        * dce.c (deletable_insn_p): Handle VAR_LOCATION.
        (mark_reg_dependencies): Skip debug insns.
        * params.def (PARAM_MIN_NONDEBUG_INSN_UID): New.
        * tree-ssanames.c (release_ssa_name): Propagate def into debug stmts.
        * tree-ssa-threadedge.c
        (record_temporary_equivalences_from_stmts): Skip debug stmts.
        * regcprop.c (replace_oldest_value_addr): Skip debug insns.
        (replace_oldest_value_mem): Use ALL_REGS for debug insns.
        (copyprop_hardreg_forward_1): Handle debug insns.
        * reload1.c (reload): Skip debug insns.  Replace unassigned
        pseudos in debug insns with their equivalences.
        (eliminate_regs_in_insn): Skip debug insns.
        (emit_input_reload_insns): Skip debug insns at first, adjust
        them later.
        * tree-ssa-operands.c (add_virtual_operand): Reject debug stmts.
        (get_indirect_ref_operands): Pass opf_no_vops on.
        (get_expr_operands): Likewise.  Skip debug stmts.
        (parse_ssa_operands): Scan debug insns with opf_no_vops.

2009-09-01  Richard Henderson  <rth@redhat.com>

        * tree-ssa-ccp.c (ccp_initialize): Make sure to simulate
        stmt_ends_pp_p statements at least once.
        * tree-vrp.c (vrp_initialize): Likewise.
        (vrp_visit_stmt): Be prepared for non-interesting stmts.

2009-09-01  Dodji Seketeli  <dodji@redhat.com>

        PR bootstrap/41205
        Fix AIX bootstrap after PR debug/30161
        * dwarf2out.c (make_ith_pack_parameter_name): Don't used strnlen
        that is a GNU extension.
        (tmpl_value_parm_die_table): Move the definition of this global
        outside #ifdef DWARF2_DEBUGGING_INFO region.

2009-09-01  Richard Guenther  <rguenther@suse.de>

        * tree.c (tree_expr_size): New function.
        * tree.h (tree_expr_size): Declare.
        * rtlanal.c (rtx_addr_can_trap_p_1): Adjust comment.
        * builtins.c (fold_builtin_memory_op): Use tree_expr_size.
        * langhooks.c (lhd_expr_size): Remove.
        * langhooks.h (struct lang_hooks): Remove expr_size.
        * explow.c (expr_size): Use tree_expr_size.
        (int_expr_size): Likewise.
        * langhooks-def.h (lhd_expr_size): Remove.
        (LANG_HOOKS_EXPR_SIZE): Likewise.
        (LANG_HOOKS_INITIALIZER): Adjust.

2009-09-01  Richard Guenther  <rguenther@suse.de>

        * tree-flow.h (mark_addressable): Move declaration ...
        * tree.h (mark_addressable): ... here.
        * stmt.c (expand_asm_operands): Use mark_addressable, not
        lang_hooks.mark_addressable.
        * langhooks-def.h (LANG_HOOKS_INITIALIZER): Remove
        LANG_HOOKS_MARK_ADDRESSABLE.
        * langhooks.h (struct lang_hooks): Remove mark_addressable langhook.
        * c-objc-common.h (LANG_HOOKS_MARK_ADDRESSABLE): Remove.

2009-08-31  Chris Demetriou  <cgd@google.com>

        * config/i386/i386.c (ix86_vectorize_builtin_conversion): Never
        vectorize if not TARGET_SSE2.

2009-08-31  DJ Delorie  <dj@redhat.com>

        * config/mep/mep.h (FUNCTION_ARG_REGNO_P): Exclude coprocessor
        registers if no coprocessor is enabled.

2009-08-31  Dodji Seketeli  <dodji@redhat.com>

        PR debug/30161
        * cgraph.h (cgraph_get_node): Declare ...
        * cgraph.c (cgraph_get_node): ... new function.
        * dwarf2out.c (gen_generic_params_dies,
        generic_parameter_die, tree_add_const_value_attribute_for_decl,
        make_ith_pack_parameter_name,
        append_entry_to_tmpl_value_parm_die_table,
        gen_remaining_tmpl_value_param_die_attribute): New functions.
        (gen_subprogram_die): Generate debug info for template parameters
        if debug info level is higher than DINFO_LEVEL_TERSE.
        Use tree_add_const_value_attribute_for_decl instead of
        tree_add_const_value_attribute.
        (gen_const_die): Use tree_add_const_value_attribute_for_decl
        instead of tree_add_const_value_attribute.
        (gen_struct_or_union_type_die): Generate debug
        info for template parameters if debug info level is higher than
        DINFO_LEVEL_TERSE.
        (tree_add_const_value_attribute): Handle integral and pointer
        constants. Update comment.
        (dwarf_tag_name): Support DW_TAG_GNU_template_template_param.
        (dwarf_attr_name): Support DW_AT_GNU_template_name.
        (reference_to_unused): Fix thinko. Remove redundant predicates from
        tests.
        (tree_add_const_value_attribute): Make this work for constant
        expressions only.
        tree_add_const_value_attribute_for_decl is to be used for variable
        DECLs now.
        (add_location_or_const_value_attribute): Use
        tree_add_const_value_attribute_for_decl now.
        (dwarf2out_finish): Emit the DW_AT_const_value attribute of
        DW_TAG_template_value_param DIEs after function DIEs have been
        emitted.
        * langhooks.h (lang_hooks_for_types): Add
        get_argument_pack_elems.
        (lang_hooks_for_decls): Add generic_generic_parameter_decl_p.
        (lang_hooks): Added get_innermost_generic_parms,
        get_innermost_generic_args.
        * langhooks-def.h (LANG_HOOKS_GET_INNERMOST_GENERIC_PARMS,
        LANG_HOOKS_GET_INNERMOST_GENERIC_ARGS,
        LANG_HOOKS_GET_ARGUMENT_PACK_ELEMS,
        LANG_HOOKS_GENERIC_GENERIC_PARAMETER_DECL_P): New language hooks.

2009-08-31  DJ Delorie  <dj@redhat.com>

        * config/mep/mep.c (machine_function): Add frame_locked flag.  Set
        it once we start generating the prologue or epilogue.
        (mep_call_saves_register): If the frame is locked, re-use
        cached values.
        (mep_assign_save_slots): New, broken out from mep_expand_prologue.
        (mep_expand_prologue): Call it.
        (mep_expand_epilogue): Likewise.
        (mep_start_function): Use the same logic as mep_expand_prologue.
        (mep_pass_by_reference): Make logic more readable.
        (mep_return_in_memory): Zero-sized objects are passed in memory.
        (mep_reorg_noframe): Make sure we have accurate REG_DEAD notes.

2009-08-31  Richard Guenther  <rguenther@suse.de>

        * builtins.c (fold_builtin_memory_op): Use the alias oracle
        to query if the memory regions for memmove overlap.
        * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Relax the
        asserts on pointers, instead deal with odd trees.
        (ptr_derefs_may_alias_p): Likewise.
        (refs_may_alias_p_1): Constructor bases also never alias.

2009-08-31  Gerald Pfeifer  <gerald@pfeifer.com>

        * doc/install.texi (Final install): Adjust reference on where to
        order printed manuals.

2009-08-30  Olivier Hainque  <hainque@adacore.com>

        * dwarf2out.c (switch_to_frame_table_section): Move
        definition prior to first use.

2009-08-30  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/41186
        * tree-ssa-alias.c (ptr_deref_may_alias_ref_p): Remove.
        (ao_ref_init_from_ptr_and_size): New function.
        (ref_maybe_used_by_call_p_1): Be more precise tracking
        used ranges for builtin functions.
        (ref_maybe_used_by_call_p): Adjust.
        (call_may_clobber_ref_p_1): Be more precise tracking clobbered
        ranges for builtin functions.
        * tree-ssa-alias.h (ao_ref_init_from_ptr_and_size): Declare.

2009-08-30  Alan Modra  <amodra@bigpond.net.au>

        PR target/41081
        * fwprop.c (get_reg_use_in): Delete.
        (free_load_extend): New function.
        (forward_propagate_subreg): Use it.

2009-08-29  Kaz Kojima  <kkojima@gcc.gnu.org>

        * config.gcc (sh*-*-elf): Add superh stuff only for sh*-superh-elf.

2009-08-29  Kai Tietz<kai.tietz@onevision.com>

        PR/41184
        * config/i386.c (ix86_expand_epilogue): Correct stack adjustment for
        padding.

2009-08-29  Douglas B Rupp  <rupp@gnat.com>

        * crtstuff.c (__do_global_dtors_aux): Use atexit if no
        fini or fini_array section.

2009-08-28  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-dependences.c (graphite_legal_transform_bb): Call
        pbb_remove_duplicate_pdrs.
        * graphite-poly.c (can_collapse_pdr): Removed.
        (pdr_find_duplicate): Removed.
        (can_collapse_pdrs): New.
        (pbb_remove_duplicate_pdrs): New.
        (new_poly_dr): Do not look for duplicates.
        * graphite-poly.h (struct poly_bb): New field pdr_duplicates_removed.
        (PBB_PDR_DUPLICATES_REMOVED): New.
        (pbb_remove_duplicate_pdrs): Declared.

2009-08-28  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-interchange.c (pbb_interchange_profitable_p): Adjust
        the strides by multiplying by PDR_NB_REFS.
        * graphite-poly.c (can_collapse_pdr): New.
        (pdr_find_duplicate): New.
        (new_poly_dr): Call pdr_find_duplicate.  Collapse duplicate PDRs.
        Initialize PDR_NB_REFS.
        * graphite-poly.h (struct poly_dr): Add field nb_refs.
        (PDR_NB_REFS): New.
        (new_poly_dr): Number of subscripts is a graphite_dim_t.

2009-08-28  Sebastian Pop  <sebastian.pop@amd.com>

        PR middle-end/40965
        * graphite-poly.c (apply_poly_transforms): Remove legality test before
        any transform.

2009-08-28  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-dependences.c (pddr_original_scattering): Return NULL
        for read-read dependence relations.
        * graphite-poly.h (enum poly_dr_type): Fix comment.
        (pdr_read_p): New.
        (pdr_write_p): New.
        (pdr_may_write_p): New.

2009-08-28  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-poly.h (enum POLY_DR_TYPE): Renamed poly_dr_type.
        (struct poly_dr): Same.
        (new_poly_dr): Same.
        * graphite-poly.c (new_poly_dr): Same.
        * graphite-dependences.c (dot_deps): Disable call to system.

2009-08-28  Cary Coutant  <ccoutant@google.com>

        PR debug/41063
        * dwarf2out.c (gen_type_die_with_usage): Use proper context for
        struct/union/enum types local to a function.

2009-08-28  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
            Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-blocking.c (pbb_strip_mine_loop_depth): Renamed
        pbb_strip_mine_time_depth.  Changed the implementation so that
        transformation is expressed as a transformation on
        time (scatttering) dimensions.  Also, ensures that the 2d+1
        scheduling format is preserved.
        (pbb_strip_mine_profitable_p): Profitability is based on the
        iteration number of a given time (scattering) dimension,
        and not on a original loop depth dimension.
        (pbb_strip_mine): Call pbb_number_of_iterations_at_time.
        (pbb_do_strip_mine): Call psct_dynamic_dim.
        * graphite-poly.c (pbb_number_of_iterations_at_time): New.
        * graphite-poly.h (pbb_number_of_iterations_at_time): Declared.
        (pbb_nb_dynamic_scattering_transform): New.
        (psct_dynamic_dim): New.

2009-08-28  Konrad Trifunovic  <konrad.trifunovic@gmail.com>

        * graphite-ppl.c (ppl_max_for_le): Renamed ppl_max_for_le_pointset.
        * graphite-ppl.h (ppl_max_for_le): Renamed ppl_max_for_le_pointset.
        * graphite-poly.c (pbb_number_of_iterations): Rename ppl_max_for_le.
        * graphite-interchange.c (build_linearized_memory_access): Same.
        (memory_stride_in_loop): Same.

2009-08-28  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-dependences.c (pddr_original_scattering): New.
        (graphite_legal_transform_dr): Call pddr_original_scattering.
        (dot_deps_1): New.
        (dot_deps): New.
        * graphite-dependences.h (dot_deps): Declared.
        * graphite-poly.c (new_poly_dr): Initialize PDR_ID.
        (print_pdr): Print PDR_ID.
        * graphite-poly.h (struct poly_dr): Add field id.
        (PDR_ID): New.
        (pbb_index): New.
        * graphite-scop-detection.c (dot_all_scops_1): Cleanup comment.

2009-08-28  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-dependences.c (graphite_carried_dependence_level_k): Do
        not delete the original dependence relation.

2009-08-28  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-dependences.c (new_poly_dr_pair): Renamed new_poly_ddr.
        (eq_poly_dr_pair_p): Renamed eq_poly_ddr_p.
        (hash_poly_dr_pair_p): Renamed hash_poly_ddr_p.
        (free_poly_ddr): New.
        (pddr_is_empty): New.
        (dependence_polyhedron_1): Now returns a poly_ddr_p.
        (dependence_polyhedron): Same.  Remove useless gcc_assert.
        Remove fprintfs.
        (graphite_legal_transform_dr): Call pddr_is_empty and free_poly_ddr.
        (graphite_carried_dependence_level_k): Call pddr_is_empty.
        * graphite-dependences.h (enum poly_dependence_kind): New.
        (poly_dr_pair): Renamed poly_ddr.  Added a field kind.
        (PDRP_SOURCE): Renamed PDDR_SOURCE.
        (PDRP_SINK): Renamed PDDR_SINK.
        (PDRP_DDP): Renamed PDDR_DDP.
        (PDDR_KIND): New.
        (free_poly_ddr): Declared.
        * graphite-poly.c (new_scop): Use the new hash function names.
        * graphite-poly.h (struct scop): Renamed field original_pdr_pairs
        into original_pddrs.
        (SCOP_ORIGINAL_PDR_PAIRS): Renamed SCOP_ORIGINAL_PDDRS.

2009-08-28  Sebastian Pop  <sebastian.pop@amd.com>

        * cfgloopmanip.c (create_empty_loop_on_edge): Generate upper
        bounds with LT_EXPR to make niter analysis more precise on code
        generated by Graphite.

2009-08-28  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-dependences.c (graphite_legal_transform_dr): Fix formatting.
        (graphite_legal_transform_bb): Same.
        (poly_drs_may_alias_p): Same.

2009-08-28  Richard Guenther  <rguenther@suse.de>

        * tree.def: Remove note about obsolete TYPE_NONCOPIED_PARTS.

2009-08-28  Jan Beulich  <jbeulich@novell.com>

        * config/i386/netware.c: Include langhooks.h.
        (i386_nlm_encode_section_info): Simplify.
        (netware_override_options): Delete.
        * config/i386/netware.h (netware_override_options): Delete
        declaration.
        (OVERRIDE_OPTIONS): Delete definition.
        (SUBTARGET_OVERRIDE_OPTIONS): Define.
        (ASM_COMMENT_START): Define.
        * config/i386/nwld.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Define.

2009-08-28  Jan Beulich  <jbeulich@novell.com>

        * configure.ac: For in-tree ld, do a plain version check to
        determine whether comdat groups are supported.
        * configure: Regenerate.

2009-08-28  Olivier Hainque  <hainque@adacore.com>

        * collect2.c (DO_COLLECT_EXPORT_LIST): New internal macro,
        always defined.  Reflect definition or absence of such for
        COLLECT_EXPORT_LIST.  Readability helper.
        (scanfilter): New enum, to help control what symbols
        are to be considered or ignored by scan_prog_file.
        (enum pass): Rename as "scanpass", moved together with scanfilter
        prior to scan_prog_file's prototype.
        (scan_prog_file): Accept and honor scanpass and scanfilter arguments.
        Group prototype with the scanpass/scanfilter definitions, factorize
        head comments for the several implementations at the prototype.
        (main): Reorganize the first pass link control to let AIX
        drag only the needed frame tables in executables.  Prevent
        frame tables collection during the scan aimed at static ctors.
        Pre-link and scan for frame tables later to compensate.
        * doc/tm.texi (ASM_OUTPUT_DWARF_TABLE_REF): New macro.
        A C statement to issue assembly directives that create a reference
        to the given DWARF table identifier label from the current function
        section.
        * dwarf2out.c (switch_to_eh_frame_section): Add a BACK argument
        to differentiate first time section entry.  Only emit a .data
        tables start identifier label the first time around.
        (switch_to_frame_table_section): New function.  Helper for
        output_call_frame_info to switch possibly BACK into the eh_frame
        or the debug_frame section depending on FOR_EH.
        (output_call_frame_info): Use helper to first enter the proper
        frame section.
        (output_fde): Use ASM_OUTPUT_DWARF_TABLE_REF when defined to
        emit a link to the frame table start label from each function
        section.
        * config/rs6000/rs6000.c (rs6000_aix_asm_output_dwarf_table_ref):
        New function.  Implementation of ASM_OUTPUT_DWARF_TABLE_REF.
        * config/rs6000/rs6000-protos.h: Declare it.
        * config/rs6000/aix.h (ASM_OUTPUT_DWARF_TABLE_REF): Define.

2009-08-27  Kaz Kojima  <kkojima@gcc.gnu.org>

        * config/sh/sh.c (split_branches): Check the result of
        next_active_insn.

2009-08-27  Steve Ellcey  <sje@cup.hp.com>

        * config/ia64/hpux.h (LIB_SPEC): Add -lrt for when
        using -pthread -fopenmp

2009-08-27  Gerald Pfeifer  <gerald@pfeifer.com>

        * doc/service.texi (service directory): Update URL.

2009-08-27  Uros Bizjak  <ubizjak@gmail.com>

        PR rtl-optimization/40861
        * simplify-rtx.c (simplify_subreg): Do not call simplify_gen_subreg to
        extract word from a multi-word subreg for negative byte positions.

2009-08-27  Tristan Gingold  <gingold@adacore.com>
            Douglas B Rupp  <rupp@gnat.com>

        * config/ia64/ia64.c (ia64_attribute_table): Add "common_object" entry.
        (SECTION_VMS_OVERLAY): Define.
        (ia64_vms_common_object_attribute): Added.  Handle the "common_object"
        attribute.
        (ia64_vms_elf_asm_named_section): Added.  Generate .section pseudo-op
        for common_object.
        (ia64_vms_output_aligned_decl_common): Added.  Generate pseudo-op for
        common_object declarations.
        (ia64_section_type_flags): Set section flag for common_object.
        * config/ia64/ia64-protos.h
        (ia64_vms_output_aligned_decl_common): Declare.
        (ia64_vms_elf_asm_named_section): Declare.

2009-08-27  Michael Matz  <matz@suse.de>

        * expr.c (expand_expr_real_2): New function taking exploded
        unary or binary expression, split out from ...
        (expand_expr_real_1): ... here.  Move over all unary/binary
        switch parts to above function, in particular these codes:
        PAREN_EXPR, NOP_EXPR, CONVERT_EXPR, POINTER_PLUS_EXPR, PLUS_EXPR,
        MINUS_EXPR, MULT_EXPR, TRUNC_DIV_EXPR, FLOOR_DIV_EXPR, CEIL_DIV_EXPR,
        ROUND_DIV_EXPR, EXACT_DIV_EXPR, RDIV_EXPR, TRUNC_MOD_EXPR,
        FLOOR_MOD_EXPR, CEIL_MOD_EXPR, ROUND_MOD_EXPR, FIXED_CONVERT_EXPR,
        FIX_TRUNC_EXPR, FLOAT_EXPR, NEGATE_EXPR, ABS_EXPR, MAX_EXPR, MIN_EXPR,
        BIT_NOT_EXPR, TRUTH_AND_EXPR, BIT_AND_EXPR, TRUTH_OR_EXPR,
        BIT_IOR_EXPR, TRUTH_XOR_EXPR, BIT_XOR_EXPR, LROTATE_EXPR, RROTATE_EXPR,
        LSHIFT_EXPR, RSHIFT_EXPR, LT_EXPR, LE_EXPR, GT_EXPR, GE_EXPR, EQ_EXPR,
        NE_EXPR, UNORDERED_EXPR, ORDERED_EXPR, UNLT_EXPR, UNLE_EXPR, UNGT_EXPR,
        UNGE_EXPR, UNEQ_EXPR, LTGT_EXPR, TRUTH_NOT_EXPR, COMPLEX_EXPR,
        WIDEN_SUM_EXPR, REDUC_MAX_EXPR, REDUC_MIN_EXPR, REDUC_PLUS_EXPR,
        VEC_EXTRACT_EVEN_EXPR, VEC_EXTRACT_ODD_EXPR, VEC_INTERLEAVE_HIGH_EXPR,
        VEC_INTERLEAVE_LOW_EXPR, VEC_LSHIFT_EXPR, VEC_RSHIFT_EXPR,
        VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO_EXPR, VEC_UNPACK_FLOAT_HI_EXPR,
        VEC_UNPACK_FLOAT_LO_EXPR, VEC_WIDEN_MULT_HI_EXPR,
        VEC_WIDEN_MULT_LO_EXPR, VEC_PACK_TRUNC_EXPR, VEC_PACK_SAT_EXPR,
        VEC_PACK_FIX_TRUNC_EXPR.
        (<case PAREN_EXPR>): Call set_mem_attributes() with type, not the
        full expression.

2009-08-27  Richard Guenther  <rguenther@suse.de>

        * gengtype.c (main): Handle uint64_t.
        * ipa-utils.c (get_base_var): Indent properly.
        * tree-ssa-live.c (debug_scope_block): New function.
        * tree-flow.h (debug_scope_block): Declare.
        * tree-ssa-copy.c (replace_exp_1): Add vertical space.
        * basic-block.h (enum profile_status): Rename to
        enum profile_status_d.
        (x_profile_status): Adjust type.

2009-08-27  Dodji Seketeli  <dodji@redhat.com>

        PR debug/41170
        * dwarf2out.c (get_context_die): Declare this static function.
        (gen_type_die_with_usage): Make sure a DIE is a generated for
        the context of a typedef.

2009-08-26  Anatoly Sokolov  <aesok@post.ru>

        * doc/invoke.texi (AVR Options): Remove documentation of -minit-stack
        switch.

2009-08-26  Richard Sandiford  <rdsandiford@googlemail.com>

        * config/mips/mips-protos.h (mips_output_sync): Declare.
        (mips_sync_loop_insns): Likewise.
        (mips_output_sync_loop): Replace first two parameters with an rtx.
        * config/mips/mips.c (mips_multi_member): New structure.
        (mips_multi_members): New variable.
        (mips_multi_start): New function.
        (mips_multi_add): Likewise.
        (mips_multi_add_insn): Likewise.
        (mips_multi_add_label): Likewise.
        (mips_multi_last_index): Likewise.
        (mips_multi_copy_insn): Likewise.
        (mips_multi_set_operand): Likewise.
        (mips_multi_write): Likewise.
        (mips_print_operand_punctuation): Remove '%|' and '%-'.
        (mips_init_print_operand_punct): Update accordingly.
        (mips_start_ll_sc_sync_block): New function.
        (mips_end_ll_sc_sync_block): Likewise.
        (mips_output_sync): Likewise.
        (mips_sync_insn1_template): Likewise.
        (mips_sync_insn2_template): Likewise.
        (mips_get_sync_operand): Likewise.
        (mips_process_sync_loop): Likewise.
        (mips_output_sync_loop): Use mips_process_sync_loop.
        (mips_sync_loop_insns): New function.
        * config/mips/mips.h (MIPS_COMPARE_AND_SWAP): Delete.
        (MIPS_COMPARE_AND_SWAP_12): Likewise.
        (MIPS_COMPARE_AND_SWAP_12_ZERO_OP): Likewise.
        (MIPS_COMPARE_AND_SWAP_12_NONZERO_OP): Likewise.
        (MIPS_SYNC_OP, MIPS_SYNC_OP_12): Likewise.
        (MIPS_SYNC_OP_12_AND, MIPS_SYNC_OP_12_XOR): Likewise.
        (MIPS_SYNC_OLD_OP_12): Likewise.
        (MIPS_SYNC_OLD_OP_12_AND, MIPS_SYNC_OLD_OP_12_XOR): Likewise.
        (MIPS_SYNC_NEW_OP_12): Likewise.
        (MIPS_SYNC_NEW_OP_12_AND, MIPS_SYNC_NEW_OP_12_XOR): Likewise.
        (MIPS_SYNC_OLD_OP, MIPS_SYNC_NEW_OP): Likewise.
        (MIPS_SYNC_NAND, MIPS_SYNC_OLD_NAND, MIPS_SYNC_NEW_NAND): Likewise.
        (MIPS_SYNC_EXCHANGE, MIPS_SYNC_EXCHANGE_12): Likewise.
        (MIPS_SYNC_EXCHANGE_12_ZERO_OP): Likewise.
        (MIPS_SYNC_EXCHANGE_12_NONZER_OP): Likewise.
        * config/mips/mips.md (sync_mem): New attribute.
        (sync_oldval, sync_newval, sync_inclusive_mask): Likewise.
        (sync_exclusive_mask, sync_required_oldval): Likewise.
        (sync_insn1_op2, sync_insn1, sync_insn2): Likewise.
        (sync_release_barrier): Likewise.
        (length): Handle sync loops.
        (sync): Use mips_output_sync.
        * config/mips/sync.md (*memory_barrier): Use mips_output_sync.
        (sync_compare_and_swap<mode>): Set the new sync_* attributes
        and use mips_output_sync_loop.
        (compare_and_swap_12, sync_add<mode>, sync_<optab>_12): Likewise.
        (sync_old_<optab>_12, sync_new_<optab>_12, sync_nand_12): Likewise.
        (sync_old_nand_12, sync_new_nand_12, sync_sub<mode>): Likewise.
        (sync_old_add<mode>, sync_old_sub<mode>): Likewise.
        (sync_new_add<mode>, sync_new_sub<mode>): Likewise.
        (sync_<optab><mode>, sync_old_<optab><mode>): Likewise.
        (sync_new_<optab><mode>, sync_nand<mode>): Likewise.
        (sync_old_nand<mode>, sync_new_nand<mode>): Likewise.
        (sync_lock_test_and_set<mode>, test_and_set_12): Likewise.

2009-08-26  Richard Guenther  <rguenther@suse.de>

        PR middle-end/41163
        * gimplify.c (gimplify_addr_expr): Canonicalize ADDR_EXPRs if
        the types to not match.
        * tree-cfg.c (verify_gimple_assign_single): Adjust ADDR_EXPR
        verification.
        * tree-ssa.c (useless_type_conversion_p): Conversions to
        pointers to unprototyped functions are useless.

2009-08-26  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-structalias.c (create_variable_info_for): Remove strange
        whole-program condition, prepare to be called for non-globals.
        (intra_create_variable_infos): For restrict qualified DECL_BY_REFERENCE
        params build a representative with known type and track its fields.

2009-08-26  Uros Bizjak  <ubizjak@gmail.com>

        * config/alpha/sync.md: Update comment about unpredictable LL/SC lock
        clearing by a taken branch.
        (sync_<fetchop_name><mode>): Split when epilogue_completed is set,
        effectively after bbro pass.
        (sync_nand<mode>): Ditto.
        (sync_old_<fetchop_name><mode>): Ditto.
        (sync_old_nand<mode>): Ditto.
        (sync_new_<fetchop_name><mode>): Dito.
        (sync_new_nand<mode>): Ditto.
        (sync_compare_and_swap<mode>_1): Ditto.
        (*sync_compare_and_swap<mode>): Ditto.
        (sync_lock_test_and_set<mode>_1): Ditto.
        ("sync_lock_test_and_set<mode>): Ditto.

2009-08-25  Douglas B Rupp  <rupp@gnat.com>

        * hwint.h (HOST_LONG_FORMAT): New macro
        * bitmap.c, c-decl.c, mips-tfile.c, print-rtl.c, print-tree.c:
        Use HOST_PTR_PRINTF.
        * system.h (HOST_PTR_PRINTF): Resurrect old macro
        * doc/hostconfig.texi (HOST_LONG_FORMAT): Document.
        (HOST_PTR_PRINTF): Document.

2009-08-25 Jan Hubicka  <jh@suse.cz>

        * config/i386/bmmintrin.h: Replace by #error.

        Revert:
        Michael Meissner  <michael.meissner@amd.com>
        Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
        Tony Linthicum  <tony.linthicum@amd.com>

        * config/i386/i386.h (TARGET_SSE5): New macro for SSE5.
        (TARGET_ROUND): New macro for the round/ptest instructions which
        are shared between SSE4.1 and SSE5.
        (OPTION_MASK_ISA_ROUND): Ditto.
        (OPTION_ISA_ROUND): Ditto.
        (TARGET_FUSED_MADD): New macro for -mfused-madd swtich.
        (TARGET_CPU_CPP_BUILTINS): Add SSE5 support.

        * config/i386/i386.opt (-msse5): New switch for SSE5 support.
        (-mfused-madd): New switch to give users control over whether the
        compiler optimizes to use the multiply/add SSE5 instructions.

        * config/i386/i386.c (enum pta_flags): Add PTA_SSE5.
        (ix86_handle_option): Turn off 3dnow if -msse5.
        (override_options): Add SSE5 support.
        (print_operand): %Y prints comparison codes for SSE5 com/pcom
        instructions.
        (ix86_expand_sse_movcc): Add SSE5 support.
        (ix86_expand_sse5_unpack): New function to use pperm to unpack a
        vector type to the next largest size.
        (ix86_expand_sse5_pack): New function to use pperm to pack a
        vector type to the next smallest size.
        (IX86_BUILTIN_FMADDSS): New for SSE5 intrinsic.
        (IX86_BUILTIN_FMADDSD): Ditto.
        (IX86_BUILTIN_FMADDPS): Ditto.
        (IX86_BUILTIN_FMADDPD): Ditto.
        (IX86_BUILTIN_FMSUBSS): Ditto.
        (IX86_BUILTIN_FMSUBSD): Ditto.
        (IX86_BUILTIN_FMSUBPS): Ditto.
        (IX86_BUILTIN_FMSUBPD): Ditto.
        (IX86_BUILTIN_FNMADDSS): Ditto.
        (IX86_BUILTIN_FNMADDSD): Ditto.
        (IX86_BUILTIN_FNMADDPS): Ditto.
        (IX86_BUILTIN_FNMADDPD): Ditto.
        (IX86_BUILTIN_FNMSUBSS): Ditto.
        (IX86_BUILTIN_FNMSUBSD): Ditto.
        (IX86_BUILTIN_FNMSUBPS): Ditto.
        (IX86_BUILTIN_FNMSUBPD): Ditto.
        (IX86_BUILTIN_PCMOV_V2DI): Ditto.
        (IX86_BUILTIN_PCMOV_V4SI): Ditto.
        (IX86_BUILTIN_PCMOV_V8HI): Ditto.
        (IX86_BUILTIN_PCMOV_V16QI): Ditto.
        (IX86_BUILTIN_PCMOV_V4SF): Ditto.
        (IX86_BUILTIN_PCMOV_V2DF): Ditto.
        (IX86_BUILTIN_PPERM): Ditto.
        (IX86_BUILTIN_PERMPS): Ditto.
        (IX86_BUILTIN_PERMPD): Ditto.
        (IX86_BUILTIN_PMACSSWW): Ditto.
        (IX86_BUILTIN_PMACSWW): Ditto.
        (IX86_BUILTIN_PMACSSWD): Ditto.
        (IX86_BUILTIN_PMACSWD): Ditto.
        (IX86_BUILTIN_PMACSSDD): Ditto.
        (IX86_BUILTIN_PMACSDD): Ditto.
        (IX86_BUILTIN_PMACSSDQL): Ditto.
        (IX86_BUILTIN_PMACSSDQH): Ditto.
        (IX86_BUILTIN_PMACSDQL): Ditto.
        (IX86_BUILTIN_PMACSDQH): Ditto.
        (IX86_BUILTIN_PMADCSSWD): Ditto.
        (IX86_BUILTIN_PMADCSWD): Ditto.
        (IX86_BUILTIN_PHADDBW): Ditto.
        (IX86_BUILTIN_PHADDBD): Ditto.
        (IX86_BUILTIN_PHADDBQ): Ditto.
        (IX86_BUILTIN_PHADDWD): Ditto.
        (IX86_BUILTIN_PHADDWQ): Ditto.
        (IX86_BUILTIN_PHADDDQ): Ditto.
        (IX86_BUILTIN_PHADDUBW): Ditto.
        (IX86_BUILTIN_PHADDUBD): Ditto.
        (IX86_BUILTIN_PHADDUBQ): Ditto.
        (IX86_BUILTIN_PHADDUWD): Ditto.
        (IX86_BUILTIN_PHADDUWQ): Ditto.
        (IX86_BUILTIN_PHADDUDQ): Ditto.
        (IX86_BUILTIN_PHSUBBW): Ditto.
        (IX86_BUILTIN_PHSUBWD): Ditto.
        (IX86_BUILTIN_PHSUBDQ): Ditto.
        (IX86_BUILTIN_PROTB): Ditto.
        (IX86_BUILTIN_PROTW): Ditto.
        (IX86_BUILTIN_PROTD): Ditto.
        (IX86_BUILTIN_PROTQ): Ditto.
        (IX86_BUILTIN_PROTB_IMM): Ditto.
        (IX86_BUILTIN_PROTW_IMM): Ditto.
        (IX86_BUILTIN_PROTD_IMM): Ditto.
        (IX86_BUILTIN_PROTQ_IMM): Ditto.
        (IX86_BUILTIN_PSHLB): Ditto.
        (IX86_BUILTIN_PSHLW): Ditto.
        (IX86_BUILTIN_PSHLD): Ditto.
        (IX86_BUILTIN_PSHLQ): Ditto.
        (IX86_BUILTIN_PSHAB): Ditto.
        (IX86_BUILTIN_PSHAW): Ditto.
        (IX86_BUILTIN_PSHAD): Ditto.
        (IX86_BUILTIN_PSHAQ): Ditto.
        (IX86_BUILTIN_FRCZSS): Ditto.
        (IX86_BUILTIN_FRCZSD): Ditto.
        (IX86_BUILTIN_FRCZPS): Ditto.
        (IX86_BUILTIN_FRCZPD): Ditto.
        (IX86_BUILTIN_CVTPH2PS): Ditto.
        (IX86_BUILTIN_CVTPS2PH): Ditto.
        (IX86_BUILTIN_COMEQSS): Ditto.
        (IX86_BUILTIN_COMNESS): Ditto.
        (IX86_BUILTIN_COMLTSS): Ditto.
        (IX86_BUILTIN_COMLESS): Ditto.
        (IX86_BUILTIN_COMGTSS): Ditto.
        (IX86_BUILTIN_COMGESS): Ditto.
        (IX86_BUILTIN_COMUEQSS): Ditto.
        (IX86_BUILTIN_COMUNESS): Ditto.
        (IX86_BUILTIN_COMULTSS): Ditto.
        (IX86_BUILTIN_COMULESS): Ditto.
        (IX86_BUILTIN_COMUGTSS): Ditto.
        (IX86_BUILTIN_COMUGESS): Ditto.
        (IX86_BUILTIN_COMORDSS): Ditto.
        (IX86_BUILTIN_COMUNORDSS): Ditto.
        (IX86_BUILTIN_COMFALSESS): Ditto.
        (IX86_BUILTIN_COMTRUESS): Ditto.
        (IX86_BUILTIN_COMEQSD): Ditto.
        (IX86_BUILTIN_COMNESD): Ditto.
        (IX86_BUILTIN_COMLTSD): Ditto.
        (IX86_BUILTIN_COMLESD): Ditto.
        (IX86_BUILTIN_COMGTSD): Ditto.
        (IX86_BUILTIN_COMGESD): Ditto.
        (IX86_BUILTIN_COMUEQSD): Ditto.
        (IX86_BUILTIN_COMUNESD): Ditto.
        (IX86_BUILTIN_COMULTSD): Ditto.
        (IX86_BUILTIN_COMULESD): Ditto.
        (IX86_BUILTIN_COMUGTSD): Ditto.
        (IX86_BUILTIN_COMUGESD): Ditto.
        (IX86_BUILTIN_COMORDSD): Ditto.
        (IX86_BUILTIN_COMUNORDSD): Ditto.
        (IX86_BUILTIN_COMFALSESD): Ditto.
        (IX86_BUILTIN_COMTRUESD): Ditto.
        (IX86_BUILTIN_COMEQPS): Ditto.
        (IX86_BUILTIN_COMNEPS): Ditto.
        (IX86_BUILTIN_COMLTPS): Ditto.
        (IX86_BUILTIN_COMLEPS): Ditto.
        (IX86_BUILTIN_COMGTPS): Ditto.
        (IX86_BUILTIN_COMGEPS): Ditto.
        (IX86_BUILTIN_COMUEQPS): Ditto.
        (IX86_BUILTIN_COMUNEPS): Ditto.
        (IX86_BUILTIN_COMULTPS): Ditto.
        (IX86_BUILTIN_COMULEPS): Ditto.
        (IX86_BUILTIN_COMUGTPS): Ditto.
        (IX86_BUILTIN_COMUGEPS): Ditto.
        (IX86_BUILTIN_COMORDPS): Ditto.
        (IX86_BUILTIN_COMUNORDPS): Ditto.
        (IX86_BUILTIN_COMFALSEPS): Ditto.
        (IX86_BUILTIN_COMTRUEPS): Ditto.
        (IX86_BUILTIN_COMEQPD): Ditto.
        (IX86_BUILTIN_COMNEPD): Ditto.
        (IX86_BUILTIN_COMLTPD): Ditto.
        (IX86_BUILTIN_COMLEPD): Ditto.
        (IX86_BUILTIN_COMGTPD): Ditto.
        (IX86_BUILTIN_COMGEPD): Ditto.
        (IX86_BUILTIN_COMUEQPD): Ditto.
        (IX86_BUILTIN_COMUNEPD): Ditto.
        (IX86_BUILTIN_COMULTPD): Ditto.
        (IX86_BUILTIN_COMULEPD): Ditto.
        (IX86_BUILTIN_COMUGTPD): Ditto.
        (IX86_BUILTIN_COMUGEPD): Ditto.
        (IX86_BUILTIN_COMORDPD): Ditto.
        (IX86_BUILTIN_COMUNORDPD): Ditto.
        (IX86_BUILTIN_COMFALSEPD): Ditto.
        (IX86_BUILTIN_COMTRUEPD): Ditto.
        (IX86_BUILTIN_PCOMEQUB): Ditto.
        (IX86_BUILTIN_PCOMNEUB): Ditto.
        (IX86_BUILTIN_PCOMLTUB): Ditto.
        (IX86_BUILTIN_PCOMLEUB): Ditto.
        (IX86_BUILTIN_PCOMGTUB): Ditto.
        (IX86_BUILTIN_PCOMGEUB): Ditto.
        (IX86_BUILTIN_PCOMFALSEUB): Ditto.
        (IX86_BUILTIN_PCOMTRUEUB): Ditto.
        (IX86_BUILTIN_PCOMEQUW): Ditto.
        (IX86_BUILTIN_PCOMNEUW): Ditto.
        (IX86_BUILTIN_PCOMLTUW): Ditto.
        (IX86_BUILTIN_PCOMLEUW): Ditto.
        (IX86_BUILTIN_PCOMGTUW): Ditto.
        (IX86_BUILTIN_PCOMGEUW): Ditto.
        (IX86_BUILTIN_PCOMFALSEUW): Ditto.
        (IX86_BUILTIN_PCOMTRUEUW): Ditto.
        (IX86_BUILTIN_PCOMEQUD): Ditto.
        (IX86_BUILTIN_PCOMNEUD): Ditto.
        (IX86_BUILTIN_PCOMLTUD): Ditto.
        (IX86_BUILTIN_PCOMLEUD): Ditto.
        (IX86_BUILTIN_PCOMGTUD): Ditto.
        (IX86_BUILTIN_PCOMGEUD): Ditto.
        (IX86_BUILTIN_PCOMFALSEUD): Ditto.
        (IX86_BUILTIN_PCOMTRUEUD): Ditto.
        (IX86_BUILTIN_PCOMEQUQ): Ditto.
        (IX86_BUILTIN_PCOMNEUQ): Ditto.
        (IX86_BUILTIN_PCOMLTUQ): Ditto.
        (IX86_BUILTIN_PCOMLEUQ): Ditto.
        (IX86_BUILTIN_PCOMGTUQ): Ditto.
        (IX86_BUILTIN_PCOMGEUQ): Ditto.
        (IX86_BUILTIN_PCOMFALSEUQ): Ditto.
        (IX86_BUILTIN_PCOMTRUEUQ): Ditto.
        (IX86_BUILTIN_PCOMEQB): Ditto.
        (IX86_BUILTIN_PCOMNEB): Ditto.
        (IX86_BUILTIN_PCOMLTB): Ditto.
        (IX86_BUILTIN_PCOMLEB): Ditto.
        (IX86_BUILTIN_PCOMGTB): Ditto.
        (IX86_BUILTIN_PCOMGEB): Ditto.
        (IX86_BUILTIN_PCOMFALSEB): Ditto.
        (IX86_BUILTIN_PCOMTRUEB): Ditto.
        (IX86_BUILTIN_PCOMEQW): Ditto.
        (IX86_BUILTIN_PCOMNEW): Ditto.
        (IX86_BUILTIN_PCOMLTW): Ditto.
        (IX86_BUILTIN_PCOMLEW): Ditto.
        (IX86_BUILTIN_PCOMGTW): Ditto.
        (IX86_BUILTIN_PCOMGEW): Ditto.
        (IX86_BUILTIN_PCOMFALSEW): Ditto.
        (IX86_BUILTIN_PCOMTRUEW): Ditto.
        (IX86_BUILTIN_PCOMEQD): Ditto.
        (IX86_BUILTIN_PCOMNED): Ditto.
        (IX86_BUILTIN_PCOMLTD): Ditto.
        (IX86_BUILTIN_PCOMLED): Ditto.
        (IX86_BUILTIN_PCOMGTD): Ditto.
        (IX86_BUILTIN_PCOMGED): Ditto.
        (IX86_BUILTIN_PCOMFALSED): Ditto.
        (IX86_BUILTIN_PCOMTRUED): Ditto.
        (IX86_BUILTIN_PCOMEQQ): Ditto.
        (IX86_BUILTIN_PCOMNEQ): Ditto.
        (IX86_BUILTIN_PCOMLTQ): Ditto.
        (IX86_BUILTIN_PCOMLEQ): Ditto.
        (IX86_BUILTIN_PCOMGTQ): Ditto.
        (IX86_BUILTIN_PCOMGEQ): Ditto.
        (IX86_BUILTIN_PCOMFALSEQ): Ditto.
        (IX86_BUILTIN_PCOMTRUEQ): Ditto.
        (enum multi_arg_type): New enum for describing the various SSE5
        intrinsic argument types.
        (bdesc_multi_arg): New table for SSE5 intrinsics.
        (ix86_init_mmx_sse_builtins): Add SSE5 intrinsic support.
        (ix86_expand_multi_arg_builtin): New function for creating SSE5
        intrinsics.
        (ix86_expand_builtin): Add SSE5 intrinsic support.
        (ix86_sse5_valid_op_p): New function to validate SSE5 3 and 4
        operand instructions.
        (ix86_expand_sse5_multiple_memory): New function to split the
        second memory reference from SSE5 instructions.
        (type_has_variadic_args_p): Delete in favor of stdarg_p.
        (ix86_return_pops_args): Use stdarg_p to determine if the function
        has variable arguments.
        (ix86_setup_incoming_varargs): Ditto.
        (x86_this_parameter): Ditto.

        * config/i386/i386-protos.h (ix86_expand_sse5_unpack): Add
        declaration.
        (ix86_expand_sse5_pack): Ditto.
        (ix86_sse5_valid_op_p): Ditto.
        (ix86_expand_sse5_multiple_memory): Ditto.

        * config/i386/i386.md (UNSPEC_SSE5_INTRINSIC): Add new UNSPEC
        constant for SSE5 support.
        (UNSPEC_SSE5_UNSIGNED_CMP): Ditto.
        (UNSPEC_SSE5_TRUEFALSE): Ditto.
        (UNSPEC_SSE5_PERMUTE): Ditto.
        (UNSPEC_SSE5_ASHIFT): Ditto.
        (UNSPEC_SSE5_LSHIFT): Ditto.
        (UNSPEC_FRCZ): Ditto.
        (UNSPEC_CVTPH2PS): Ditto.
        (UNSPEC_CVTPS2PH): Ditto.
        (PCOM_FALSE): Add new constant for true/false SSE5 comparisons.
        (PCOM_TRUE): Ditto.
        (COM_FALSE_S): Ditto.
        (COM_FALSE_P): Ditto.
        (COM_TRUE_S): Ditto.
        (COM_TRUE_P): Ditto.
        (type attribute): Add ssemuladd, sseiadd1, ssecvt1, sse4arg types.
        (unit attribute): Add support for ssemuladd, ssecvt1, sseiadd1 sse4arg
        types.
        (memory attribute): Ditto.
        (sse4_1_round<mode>2): Use TARGET_ROUND instead of TARGET_SSE4_1.
        Use SSE4_1_ROUND_* constants instead of hard coded numbers.
        (rint<mode>2): Use TARGET_ROUND instead of TARGET_SSE4_1.
        (floor<mode>2): Ditto.
        (ceil<mode>2): Ditto.
        (btrunc<mode>2): Ditto.
        (nearbyintdf2): Ditto.
        (nearbyintsf2): Ditto.
        (sse_setccsf): Disable if SSE5.
        (sse_setccdf): Ditto.
        (sse5_setcc<mode>): New support for SSE5 conditional move.
        (sse5_pcmov_<mode>): Ditto.

        * config/i386/sse.md (SSEMODE1248): New mode iterator for SSE5.
        (SSEMODEF4): Ditto.
        (SSEMODEF2P): Ditto.
        (ssemodesuffixf4): New mode attribute for SSE5.
        (ssemodesuffixf2s): Ditto.
        (ssemodesuffixf2c): Ditto.
        (sserotatemax): Ditto.
        (ssescalarmode): Ditto.
        (sse_maskcmpv4sf3): Disable if SSE5.
        (sse_maskcmpv2df3): Ditto.
        (sse_vmmaskcmpv4sf3): Ditto.
        (sse5_fmadd<mode>4): Add SSE5 floating point multiply/add instructions.
        (sse5_vmfmadd<mode>4): Ditto.
        (sse5_fmsub<mode>4): Ditto.
        (sse5_vmfmsub<mode>4): Ditto.
        (sse5_fnmadd<mode>4): Ditto.
        (sse5_vmfnmadd<mode>4): Ditto.
        (sse5_fnmsub<mode>4): Ditto.
        (sse5_vmfnmsub<mode>4): Ditto.
        (sse5i_fmadd<mode>4): Ditto.
        (sse5i_fmsub<mode>4): Ditto.
        (sse5i_fnmadd<mode>4): Ditto.
        (sse5i_fnmsub<mode>4): Ditto.
        (sse5i_vmfmadd<mode>4): Ditto.
        (sse5i_vmfmsub<mode>4): Ditto.
        (sse5i_vmfnmadd<mode>4): Ditto.
        (sse5i_vmfnmsub<mode>4): Ditto.
        (mulv16qi3): Add SSE5 support.
        (mulv4si3): Ditto.
        (sse5_mulv4si3): New insn for 32-bit multiply support on SSE5.
        (sse2_mulv4si3): Disable if SSE5.
        (sse4_1_roundpd): Use TARGET_ROUND instead of TARGET_SSE4_1.
        (sse4_1_roundps): Ditto.
        (sse4_1_roundsd): Ditto.
        (sse4_1_roundss): Ditto.
        (sse_maskcmpv4sf3): Disable if SSE5 so the SSE5 instruction will
        be generated.
        (sse_maskcmpsf3): Ditto.
        (sse_vmmaskcmpv4sf3): Ditto.
        (sse2_maskcmpv2df3): Ditto.
        (sse2_maskcmpdf3): Ditto.
        (sse2_vmmaskcmpv2df3): Ditto.
        (sse2_eq<mode>3): Ditto.
        (sse2_gt<mode>3): Ditto.
        (sse5_pcmov_<mode>): Add SSE5 support.
        (vec_unpacku_hi_v16qi): Ditto.
        (vec_unpacks_hi_v16qi): Ditto.
        (vec_unpacku_lo_v16qi): Ditto.
        (vec_unpacks_lo_v16qi): Ditto.
        (vec_unpacku_hi_v8hi): Ditto.
        (vec_unpacks_hi_v8hi): Ditto.
        (vec_unpacku_lo_v8hi): Ditto.
        (vec_unpacks_lo_v8hi): Ditto.
        (vec_unpacku_hi_v4si): Ditto.
        (vec_unpacks_hi_v4si): Ditto.
        (vec_unpacku_lo_v4si): Ditto.
        (vec_unpacks_lo_v4si): Ditto.
        (sse5_pmacsww): New SSE5 intrinsic insn.
        (sse5_pmacssww): Ditto.
        (sse5_pmacsdd): Ditto.
        (sse5_pmacssdd): Ditto.
        (sse5_pmacssdql): Ditto.
        (sse5_pmacssdqh): Ditto.
        (sse5_pmacsdqh): Ditto.
        (sse5_pmacsswd): Ditto.
        (sse5_pmacswd): Ditto.
        (sse5_pmadcsswd): Ditto.
        (sse5_pmadcswd): Ditto.
        (sse5_pcmov_<move>): Conditional move support on SSE5.
        (sse5_phaddbw): New SSE5 intrinsic insn.
        (sse5_phaddbd): Ditto.
        (sse5_phaddbq): Ditto.
        (sse5_phaddwd): Ditto.
        (sse5_phaddwq): Ditto.
        (sse5_phadddq): Ditto.
        (sse5_phaddubw): Ditto.
        (sse5_phaddubd): Ditto.
        (sse5_phaddubq): Ditto.
        (sse5_phadduwd): Ditto.
        (sse5_phadduwq): Ditto.
        (sse5_phaddudq): Ditto.
        (sse5_phsubbw): Ditto.
        (sse5_phsubwd): Ditto.
        (sse5_phsubdq): Ditto.
        (sse5_pperm): Ditto.
        (sse5_pperm_sign_v16qi_v8hi): New insns for pack/unpack with SSE5.
        (sse5_pperm_zero_v16qi_v8hi): Ditto.
        (sse5_pperm_sign_v8hi_v4si): Ditto.
        (sse5_pperm_zero_v8hi_v4si): Ditto.
        (sse5_pperm_sign_v4si_v2di): Ditto.
        (sse5_pperm_sign_v4si_v2di): Ditto.
        (sse5_pperm_pack_v2di_v4si): Ditto.
        (sse5_pperm_pack_v4si_v8hi): Ditto.
        (sse5_pperm_pack_v8hi_v16qi): Ditto.
        (sse5_perm<mode>): New SSE5 intrinsic insn.
        (rotl<mode>3): Ditto.
        (sse5_rotl<mode>3): Ditto.
        (sse5_ashl<mode>3): Ditto.
        (sse5_lshl<mode>3): Ditto.
        (sse5_frcz<mode>2): Ditto.
        (sse5s_frcz<mode>2): Ditto.
        (sse5_cvtph2ps): Ditto.
        (sse5_cvtps2ph): Ditto.
        (sse5_vmmaskcmp<mode>3): Ditto.
        (sse5_com_tf<mode>3): Ditto.
        (sse5_maskcmp<mode>3): Ditto.
        (sse5_maskcmp_uns<mode>3): Ditto.
        (sse5_maskcmp_uns2<mode>3): Ditto.
        (sse5_pcom_tf<mode>3): Ditto.

        * config/i386/predicates.md (sse5_comparison_float_operator):
        New predicate to match the comparison operators supported by
        the SSE5 com instruction.
        (ix86_comparison_int_operator): New predicate to match just the
        signed int comparisons.
        (ix86_comparison_uns_operator): New predicate to match just the
        unsigned int comparisons.

        * doc/invoke.texi (-msse5): Add documentation.
        (-mfused-madd): Ditto.

        * doc/extend.texi (x86 intrinsics): Document new SSE5 intrinsics.

        * config.gcc (i[34567]86-*-*): Include bmmintrin.h and
        mmintrin-common.h.
        (x86_64-*-*): Ditto.

        * config/i386/cpuid.h (bit_SSE5): Define SSE5 bit.

        * config/i386/bmmintrin.h: New file, provide common x86 compiler
        intrinisics for SSE5.

        * config/i386/smmintrin.h: Move instructions shared with SSE5 to
        mmintrin-common.h.

        * config/i386/mmintrin-common.h: New file, to contain common
        instructions between SSE4.1 and SSE5.

        * config/i386/netware.c (gen_stdcall_or_fastcall_decoration): Use
        FOREACH_FUNCTION_ARGS to iterate over the argument list.
        (gen_regparm_prefix): Ditto.

        * config/i386/winnt.c (gen_stdcall_or_fastcall_suffix): Use
        FOREACH_FUNCTION_ARGS to iterate over the argument list.  Use
        prototype_p to determine if a function is prototyped.

2009-08-25 Ville Voutilainen <ville.voutilainen@gmail.com>

        * c-common.c (c_common_reswords) add the alignof keyword,
        with same RID as __alignof and __alignof__

2009-08-25  Anatoly Sokolov  <aesok@post.ru>

        * hooks.h (hook_bool_const_int_const_int_true): Declare.
        * hooks.c (hook_bool_const_int_const_int_true): New function.
        * target.h (struct gcc_target): Add can_eliminate field.
        * target-def.h (TARGET_CAN_ELIMINATE): Define.
        (TARGET_INITIALIZER): Use TARGET_CAN_ELIMINATE.
        * ira.c (setup_eliminable_regset): Use can_eliminate target hook.
        * reload1.c (update_eliminables, init_elim_table): (Ditto.).
        (elim_table): Revise comment.
        * system.h (CAN_ELIMINATE): Poison.
        * defaults.h (CAN_ELIMINATE): Remove.
        * doc/tm.texi (CAN_ELIMINATE): Revise documentation.

        * config/alpha/vms.h (CAN_ELIMINATE): Remove macro.
        * config/alpha/alpha.c (TARGET_CAN_ELIMINATE) [TARGET_ABI_OPEN_VMS]:
        Define macro.
        (alpha_vms_can_eliminate): Declare as static, change return type to
        bool.
        * config/alpha/alpha-protos.h (alpha_vms_can_eliminate): Remove.

        * config/arm/arm.h (CAN_ELIMINATE): Remove macro.
        * config/arm/arm.c (TARGET_CAN_ELIMINATE): Define macro.
        (arm_can_eliminate): New function.

        * config/avr/avr.h (CAN_ELIMINATE): Remove macro.
        * config/avr/avr.c (TARGET_CAN_ELIMINATE): Define macro.
        (avr_can_eliminate): Declare as static.
        * config/avr/avr-protos.h (avr_can_eliminate): Remove.

        * config/bfin/bfin.h (CAN_ELIMINATE): Remove macro.
        * config/bfin/bfin.c (TARGET_CAN_ELIMINATE): Define macro.
        (bfin_can_eliminate): New function.

        * config/crx/crx.h (CAN_ELIMINATE): Remove macro.
        * config/crx/crx.c (TARGET_CAN_ELIMINATE): Define macro.
        (crx_can_eliminate): New function.

        * config/fr30/fr30.h (CAN_ELIMINATE): Remove macro.
        * config/fr30/fr30.c (TARGET_CAN_ELIMINATE): Define macro.
        (fr30_can_eliminate): New function.

        * config/frv/frv.h (CAN_ELIMINATE): Remove macro.
        * config/frv/frv.c (TARGET_CAN_ELIMINATE): Define macro.
        (frv_can_eliminate): New function.

        * config/h8300/h8300.h (CAN_ELIMINATE): Remove macro.
        * config/h8300/h8300.c (TARGET_CAN_ELIMINATE): Define macro.
        (h8300_can_eliminate): New function.

        * config/i386/i386.h (CAN_ELIMINATE): Remove macro.
        * config/i386/i386.c (TARGET_CAN_ELIMINATE): Define macro.
        (i386_can_eliminate): Declare as static, change return type to bool.
        * config/i386/i386-protos.h (i386_can_eliminate): Remove.

        * config/ia64/ia64.h (CAN_ELIMINATE): Remove macro.
        * config/ia64/ia64.c (TARGET_CAN_ELIMINATE): Define macro.
        (ia64_can_eliminate): New function.

        * config/iq2000/iq2000.h (CAN_ELIMINATE): Remove macro.
        * config/iq2000/iq2000.c (TARGET_CAN_ELIMINATE): Define macro.
        (iq2000_can_eliminate): New function.

        * config/m32r/m32r.h (CAN_ELIMINATE): Remove macro.
        * config/m32r/m32r.c (TARGET_CAN_ELIMINATE): Define macro.
        (m32r_can_eliminate): New function.

        * config/m68hc11/m68hc11.h (CAN_ELIMINATE): Remove macro.
        * config/m68hc11/m68hc11.c (TARGET_CAN_ELIMINATE): Define macro.
        (m68hc11_can_eliminate): New function.

        * config/m68k/m68k.h (CAN_ELIMINATE): Remove macro.
        * config/m68k/m68k.c (TARGET_CAN_ELIMINATE): Define macro.
        (m68k_can_eliminate): New function.

        * config/mep/mep.h (CAN_ELIMINATE): Remove macro.
        * config/mep/mep.c (TARGET_CAN_ELIMINATE): Define macro.
        (mep_can_eliminate): New function.

        * config/mips/mips.h (CAN_ELIMINATE): Remove macro.
        * config/mips/mips.c (TARGET_CAN_ELIMINATE): Define macro.
        (mips_can_eliminate): New function.

        * config/rs6000/rs6000.h (CAN_ELIMINATE): Remove macro.
        * config/rs6000/rs6000.c (TARGET_CAN_ELIMINATE): Define macro.
        (rs6000_can_eliminate): New function.

        * config/s390/s390.h (CAN_ELIMINATE): Remove macro.
        * config/s390/s390.c (TARGET_CAN_ELIMINATE): Define macro.
        (s390_can_eliminate): Declare as static.
        * config/s390/s390-protos.h (sparc_can_eliminate): Remove.

        * config/score/score.h (CAN_ELIMINATE): Remove macro.
        * config/score/score.c (TARGET_CAN_ELIMINATE): Define macro.
        (score_can_eliminate): New function.

        * config/sparc/sparc.h (CAN_ELIMINATE): Remove macro.
        * config/sparc/sparc.c (TARGET_CAN_ELIMINATE): Define macro.
        (sparc_can_eliminate): Declare as static.
        * config/sparc/sparc-protos.h (sparc_can_eliminate): Remove.

        * config/stormy16/stormy16.h (CAN_ELIMINATE): Remove macro.
        * config/stormy16/stormy16.c (TARGET_CAN_ELIMINATE): Define macro.
        (xstormy16_can_eliminate): New function.

        * config/v850/v850.h (CAN_ELIMINATE): Remove macro.
        * config/v850/v850.c (TARGET_CAN_ELIMINATE): Define macro.
        (v850_can_eliminate): New function.

2009-08-25  Uros Bizjak  <ubizjak@gmail.com>

        * config/alpha/alpha.md (*cmpdf_ieee_ext[123]): Remove.
        (*cmpdf_internal): Enable for all ALPHA_FPTM levels.
        (*movdfcc_ext[1234]): Disable for IEEE mode.

2009-08-25  Eric Botcazou  <ebotcazou@adacore.com>

        * gimplify.c (prepare_gimple_addressable): New static function.
        (gimplify_modify_expr_to_memcpy): Invoke it on the RHS before marking
        it addressable.
        (gimplify_addr_expr): Invoke it similarly on the operand instead of
        manually fiddling with it.

2009-08-25  Michael Matz  <matz@suse.de>

        * expr.h (jumpifnot_1, jumpif_1, do_jump_1): Declare.
        * dojump.c (do_jump_by_parts_greater): Take two operands instead of
        full expression.
        (do_jump_by_parts_equality, do_compare_and_jump): Ditto.
        (jumpifnot_1, jumpif_1): New wrappers for do_jump_1.
        (do_jump): Split out code for simple binary comparisons into ...
        (do_jump_1): ... this, taking the individual operands and code.
        Change callers to helper function above accordingly.
        * expr.c (expand_expr_real_1): Use jumpifnot_1 for simple binary
        comparisons.

2009-08-25  Michael Matz  <matz@suse.de>

        * expr.h (struct separate_ops, sepops): New type for passing
        around an exploded simple expression.
        * optabs.c (expand_widen_pattern_expr, expand_vec_shift_expr):
        Use this structure instead of expression tree.
        (get_vcond_icode, expand_vec_cond_expr_p): Don't take whole
        expression, only its type.
        (expand_vec_cond_expr): Take type and individual operands instead
        of full expression.
        * optabs.h (expand_widen_pattern_expr, expand_vec_cond_expr,
        expand_vec_shift_expr): Change prototype accordingly.
        * tree-vect-stmts.c (vectorizable_condition): Change call of
        expand_vec_cond_expr_p to pass only type.
        * expr.c (do_store_flags): Change prototype and implementation
        to take an exploded expression.
        (expand_expr_real_1): New local ops initialized with details
        of the full expression.  Use it instead of full
        expression in calls to do_store_flags, expand_vec_cond_expr,
        expand_widen_pattern_expr and expand_vec_shift_expr.

2009-08-25  Michael Matz  <matz@suse.de>

        * expr.c (expand_expr_real_1): New local treeop0, treeop1,
        treeop2 initialized with first three operands of the full expression.
        Substitute all TREE_OPERAND (exp, [012]) calls with them.

2009-08-25  Kai Tietz  <kai.tietz@onevision.com>

        * gcc/gthr-win32.h (__UNUSED_PARAM): Define, if not already present.
        (__gthread_objc_condition_allocate): Mark arguments as unused.
        (__gthread_objc_condition_deallocate): Likewise.
        (__gthread_objc_condition_wait): Likewise.
        (__gthread_objc_condition_broadcast): Likewise.
        (__gthread_objc_condition_signal): Likewise.
        (__gthread_objc_thread_detach): Cast via INT_PTR to pointer.
        (__gthread_objc_thread_id): Likewise.

2009-08-25  Janus Weil  <janus@gcc.gnu.org>

        PR middle-end/41149
        * tree-pretty-print.c (print_call_name): Print the correct call name
        for procedure pointer components.

2009-08-24  Steve Ellcey  <sje@cup.hp.com>

        * config/ia64/ia64.c (ia64_promote_function_mode): Call
        default_promote_function_mode when not VMS.

2009-08-24  Olivier Hainque  <hainque@adacore.com>

        * convert.c (convert_to_integer): Don't assume an input pointer is
        POINTER_SIZE wide.  Fetch from the type instead.

2009-08-24  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

        * configure.ac (AC_PREREQ): Bump to 2.64.

2009-08-24  Rafael Avila de Espindola  <espindola@google.com>

        * gcc.c (standard_exec_prefix_1,standard_exec_prefix_2): Remove.
        (process_command): Don't search standard_exec_prefix_1 and
        standard_exec_prefix_2.

2009-08-24  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>

        * config/arm/arm.c (output_return_instruction): Handle for
        unified syntax.

2009-08-24  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>

        * config/arm/arm.c (arm_select_cc_mode): Handle subreg.

2009-08-24  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>

        * config/arm/vfp.md (*arm_movdi_vfp): Mark as predicable.
        (*arm_movdf_vfp): Likewise.

2009-08-24  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>

        * config/arm/neon.md (vashl<mode>3): Rename from ashl<mode>3.
        (vashr<mode>3): Rename from ashr<mode>3.
        (vlshr<mode>3): Rename from lshr<mode>3.

2009-08-24  Kai Tietz  <kai.tietz@onevision.com>

        PR/40786
        * c-format.c (format_wanted_type): Add new member scalar_identity_flag.
        (check_format_info_main): Use scalar_identify_flag.
        (check_format_types): Check for scalar size identity if
        scalar_identify_flag is set.
        (printf_length_specs): Extend by new field.
        (asm_fprintf_length_specs): Likewise.
        (gcc_diag_length_specs): Likewise.
        (scanf_length_specs): Likewise.
        (strfmon_length_specs): Likewise.
        (gcc_gfc_length_specs): Likewise.
        * config/i386/msformat-c.c (ms_printf_length_specs): Likewise.
        (ms_printf_flag_specs): Likewise.
        * c-format.h (format_length_info): Add new member scalar_identity_flag.

2009-08-23  Uros Bizjak  <ubizjak@gmail.com>

        PR target/40718
        * config/i386/i386.c (*call_pop_1): Disable for sibling calls.
        (*call_value_pop_1): Ditto.
        (*sibcall_pop_1): New insn pattern.
        (*sibcall_value_pop_1): Ditto.

2009-08-23  Alan Modra  <amodra@bigpond.net.au>

        PR target/41081
        * config/rs6000/rs6000.md (rotlsi3_64, ashlsi3_64, lshrsi3_64,
        ashrsi3_64): New.

2009-08-23  Alan Modra  <amodra@bigpond.net.au>

        PR target/41081
        * fwprop.c (try_fwprop_subst): Allow multiple sets.
        (get_reg_use_in): New function.
        (forward_propagate_subreg): Propagate through subreg of zero_extend
        or sign_extend.

2009-08-22  Kaz Kojima  <kkojima@gcc.gnu.org>

        * config/sh/t-sh (TARGET_LIBGCC2_CFLAGS): Define.
        * config/sh/t-netbsd (TARGET_LIBGCC2_CFLAGS): Add -mieee.

2009-08-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

        * configure.ac: Remove --with-datarootdir, --with-docdir,
        --with-htmldir switches.  No need to call AC_SUBST for
        datarootdir, docdir, htmldir any more.
        * configure: Regenerate.
        * doc/install.texi (Configuration): Document --datarootdir,
        --docdir, --htmldir, --pdfdir; update documentation for
        --infodir, --mandir.
        (Prerequisites): Bump Autoconf version to 2.64, Automake to 1.11,
        M4 to 1.4.6.

        * aclocal.m4: Regenerate.
        * config.in: Regenerate.
        * configure: Regenerate.

2009-08-21  Douglas B Rupp  <rupp@gnat.com>
            Olivier Hainque  <hainque@adacore.com>

        * config/ia64/ia64.c: Include libfuncs.h.
        (TARGET_PROMOTE_FUNCITON_MODE): Define target macro.
        (ia64_expand_call): Use reg 25 on VMS.
        (ia64_initialize_trampoline): Fix for VMS ABI.
        (ia64_function_arg_offset): Always returns 0 when TARGET_ABI_OPEN_VMS.
        (ia64_function_arg): Initialize reg 25 on VMS.
        Fix OpenVMS ABI issues for varargs.
        For OpenVMS, emit the Argument Information register set in the
        incoming/sibcall case as well.
        (ia64_arg_type): New function.
        (ia64_function_arg_advance): Keep track of cum->words.
        Fix OpenVMS ABI issues for varargs.
        (ia64_function_value): On VMS, promote mode of non-aggregate types.
        (ia64_override_options): Set flag_no_common on VMS.
        (ia64_init_builtins): Disable FWRITE builtin.
        (ia64_asm_output_external): Call DO_CRTL_NAMES.
        (ia64_vms_init_libfuncs): Add decc$ routines.
        (ia64_vms_valid_pointer_mode): New function.
        (ia64_struct_value_rtx): Allways NULL_RTX on VMS.
        (ia64_promote_function_mode): New function
        * config/ia64/ia64.h (TARGET_ABI_OPEN_VMS): Define as 0 for default.
        (LONG_DOUBLE_TYPE_SIZE): Force to 64 on VMS.
        (LIBCGC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
        (INIT_CUMULATIVE_ARGS): Add atypes for VMS.
        (INIT_CUMULATIVE_INCOMING_ARGS): Likewise.
        (ASM_OUTPUT_DEF): Use ISDIGIT instead of isdigit.
        Suppress trailing '#' if VALUE is numeric.
        * config/ia64/vms.h (PROMOTE_FUNCTION_MODE): Remove, code moved to
        ia64_promote_function_mode.
        (TARGET_VALID_POINTER_MODE): Define.

2009-08-21  Michael Meissner  <meissner@linux.vnet.ibm.com>

        PR target/40671
        * config/rs6000/rs6000.c (rs6000_override_options): Use
        TARGET_64BIT instead of TARGET_POWERPC64 to set the size of pointers.

        PR target/41145
        * config/rs6000/rs6000.c (rs6000_handle_altivec_attribute): Fix
        reporting of vector + decimal/boolean/complex error.

2009-08-21  Jakub Jelinek  <jakub@redhat.com>

        * config/rs6000/rs6000.c (rs6000_init_builtins): Fix type of
        __vector double TYPE_DECL.

2009-08-21  Richard Earnshaw  <rearnsha@arm.com>

        * arm.h (MACHMODE): New define.  Include insn-modes.h if available.
        (CUMULATIVE_ARGS): Use MACHMODE for declaration of aapcs_vfp_mode.
        * arm.c (aapcs_vfp_is_call_or_return_candidate): Change base_mode
        to pointer to enum machine_mode.  Update all callers as needed.

2009-08-21 Uros Bizjak <ubizjak@gmail.com>

        * config/alpha/alpha.md (exception_receiver): Emit alternative
        GP load sequence if flag_reorder_blocks_and_partition is set.
        (*exception_receiver_2): Also enable when
        flag_reorder_blocks_and_partition is set.

2009-08-20  Matt Rice  <ratmice@gmail.com>
            Diego Novillo  <dnovillo@google.com>

        * Makefile.in (PLUGIN_HEADERS): Include incpath.h and
        tree-ssa-sccvn.h.

2009-08-20  Richard Guenther  <rguenther@suse.de>

        * c-objc-common.h (LANG_HOOKS_DUP_LANG_SPECIFIC_DECL): Do not define.
        * c-tree.h (c_dup_lang_specific_decl): Remove.
        (struct lang_decl, struct lang_type): Move definitions ...
        * c-lang.h: ... here.  New file.
        * c-decl.c: Include c-lang.h.
        (c_dup_lang_specific_decl): Remove.
        * c-typeck.c: Include c-lang.h.
        * Makefile.in (c-decl.o): Add c-lang.h dependency.
        (c-typeck.o): Likewise.
        * c-config-lang.in (gtfiles): Add c-lang.h.
        * gengtype.c (get_output_file_with_visibility): Handle c-lang.h
        like c-tree.h.

2009-08-20  Uros Bizjak  <ubizjak@gmail.com>

        * config/alpha/alpha.c (alpha_end_function): Do not clear
        crtl->emit structure and free insn locators if cfun->is_thunk is true,
        this is now handled in generic code.

2009-08-20  Andreas Krebbel  <krebbel1@de.ibm.com>

        * config/s390/s390.c (Z10_PREDICT_DISTANCE): New macro.
        (s390_z10_fix_long_loop_prediction): New function.
        (s390_z10_optimize_cmp): INSN walk moved to callee - s390_reorg.
        (s390_reorg): Walk over the INSNs and invoke
        s390_z10_fix_long_loop_prediction and s390_z10_optimize_cmp.

2009-08-20  Andreas Krebbel  <krebbel1@de.ibm.com>

        * config/s390/s390.md ("*brx_stage1_<GPR:mode>", "*brxg_64bit",
        "*brx_64bit", "*brx_31bit"): New patterns.
        * config/s390/s390.c ('E'): New output modifier.

2009-08-20  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
            Richard Earnshaw  <richard.earnshaw@arm.com>

        * config/arm/arm.c (arm_emit_movpair): Handle CONST_INT.
        * config/arm/arm.md (*arm_movtas_ze): New pattern for movt.

2009-08-19  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        * pa.md (reload_inhi, reload_outhi, reload_inqi, reload_outqi): New
        patterns.
        * pa.c (emit_move_sequence): Check if address of operand1 is valid
        for mode mode of operand0 when doing secondary reload for SAR.

2009-08-19  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/41123
        * expr.c (expand_expr_real_1) <normal_inner_ref>: Handle all kinds
        of CONCAT, not just bitpos 0 bitsize size of the whole CONCAT.

2009-08-19  Jason Merrill  <jason@redhat.com>

        * doc/invoke.texi (C++ Dialect Options): Note change of minimum
        supported template depth in C++0x.

2009-08-19  Jakub Jelinek  <jakub@redhat.com>

        * config/rs6000/rs6000.c (rs6000_output_mi_thunk): Don't call
        free_after_compilation.
        * config/score/score7.c (score7_output_mi_thunk): Likewise.
        * config/score/score3.c (score3_output_mi_thunk): Likewise.
        * config/ia64/ia64.c (ia64_output_mi_thunk): Likewise.
        * config/mips/mips.c (mips_output_mi_thunk): Likewise.
        * config/sh/sh.c (sh_output_mi_thunk): Likewise.
        * config/m68k/m68k.c (m68k_output_mi_thunk): Likewise.
        * config/sparc/sparc.c (sparc_output_mi_thunk): Likewise.

2009-08-19  Ian Lance Taylor  <iant@google.com>

        * doc/md.texi (Insn Canonicalizations): Correct canonicalization
        of (plus (mult (neg B) C) A).

2009-08-18  Michael Matz  <matz@suse.de>

        * omp-low.c (optimize_omp_library_calls): Use types_compatible_p
        instead of comparing TYPE_MAIN_VARIANT for equality.
        * tree-vect-patterns.c (vect_recog_dot_prod_pattern,
        vect_recog_widen_mult_pattern, vect_recog_widen_sum_pattern): Ditto.
        * tree-vect-loop.c (vect_is_simple_reduction): Ditto.
        * gimplify.c (goa_lhs_expr_p): Ditto and use
        STRIP_USELESS_TYPE_CONVERSION.

2009-08-18  Michael Matz  <matz@suse.de>

        * tree-ssa-structalias.c (create_variable_info_for): Also mark
        first field in a struct.
        (intra_create_variable_infos): Don't deal with flag_argument_noalias.

2009-08-18  Uros Bizjak  <ubizjak@gmail.com>

        * config/alpha/alpha.c (alpha_output_mi_thunk_osf): Allocate insn
        locators before emit_insn is called.  Remove assert that
        cfun->is_thunk.
        (alpha_end_function): Clear crtl->emit structure and free insn
        locators if cfun->is_thunk is true.

2009-08-18  Jason Merrill  <jason@redhat.com>

        * config/elfos.h (ASM_DECLARE_OBJECT_NAME): Use gnu_unique_object
        type if available.
        * configure.ac: Test for it.
        * configure, config.in: Regenerate.
        * doc/install.texi: Document --enable-gnu-unique-object.

2009-08-18  Richard Guenther  <rguenther@suse.de>

        PR middle-end/41094
        * builtins.c (fold_builtin_pow): Fold pow(pow(x,y),z) to
        pow(x,y*z) only if x is nonnegative.

2009-08-18  Jakub Jelinek  <jakub@redhat.com>

        * bb-reorder.c (fix_up_fall_thru_edges): Only call invert_jump
        on jumps.

        PR target/40971
        * config/rs6000/rs6000.c (rs6000_legitimize_address): For
        [DT][FDI]mode ensure the offset isn't 4/8/12 bytes below 0x8000.

2009-08-17  DJ Delorie  <dj@redhat.com>

        * config/m32c/m32c.md (UNS_FSETB, UNS_FREIT): New.
        * config/m32c/prologue.md (epilogue_freit): New.
        (fset_b): New.
        * config/m32c/m32c.c (m32c_function_needs_enter): Add prototype.
        (bank_switch_p): Likewise.
        (fast_interrupt_p): Likewise.
        (interrupt_p): Likewise.
        (m32c_conditional_register_usage): Round memregs size up.
        (need_to_save): We only need to save $a0 when we use ENTER.
        (interrupt_p): Check for fast_interrupt too.
        (bank_switch_p): New.
        (fast_interrupt_p): New.
        (m32c_attribute_table): Add bank_switch and fast_interrupt.
        (m32c_emit_prolog): Support bank switching and fast interrupts.
        * doc/extend.texi (Function Attributes): Add bank_switch and
        fast_interrupt.

2009-08-17  Douglas B Rupp  <rupp@gnat.com>

        * config/alpha/alpha.c (vms_valid_pointer_mode): New function.
        * config/alpha/vms.h (TARGET_VALID_POINTER_MODE): Define.

2009-08-16  Douglas B Rupp  <rupp@gnat.com>

        * doc/invoke.texi (Target options): Add new option list for IA-64/VMS.
        (menu): Add IA-64/VMS Options.
        (IA-64/VMS Options): Likewise.

2009-08-16  Richard Sandiford  <rdsandiford@googlemail.com>

        PR target/38599
        * config/mips/mips.md (*lwxs): Use :P for pointer values.

2009-08-16  Richard Sandiford  <rdsandiford@googlemail.com>

        * config/mips/mips-protos.h (mips_push_asm_switch): New function.
        (mips_pop_asm_switch): Likewise.
        * config/mips/mips.c (set_noreorder, set_nomacro, set_noat): Replace
        with...
        (mips_noreorder, mips_nomacro, mips_noat): ...these new variables.
        (mips_push_asm_switch_1, mips_pop_asm_switch_1): New functions.
        (mips_push_asm_switch, mips_pop_asm_switch): Likewise.
        (mips_print_operand_punctuation): Use them.  Check mips_noreorder
        instead of set_noreorder.
        (mips_output_function_prologue): Use the new functions.
        (mips_output_function_epilogue): Likewise.
        (mips_need_noat_wrapper_p): New function, split out from...
        (mips_final_prescan_insn, mips_final_postscan_insn): ...here.
        Use mips_push_asm_switch and mips_pop_asm_switch.
        * config/mips/mips.h (FUNCTION_PROFILER): Use mips_push_asm_switch
        and mips_pop_asm_switch.
        (ASM_OUTPUT_REG_POP): Likewise.
        (DBR_OUTPUT_SEQEND): Remove boilerplate comment.
        Use mips_pop_asm_switch.
        (mips_asm_switch): New structure.
        (set_noreorder, set_nomacro): Replace with...
        (mips_noreorder, mips_nomacro, mips_noat): ...these new variables.
        * config/mips/mips.md (fix_truncdfsi2_macro): Use mips_nomacro
        instead of set_nomacro.
        (fix_truncsfsi2_macro): Likewise.
        (cprestore): Likewise.
        (hazard): Use mips_noreorder instead of set_noreorder.
        * config/mips/sdemtk.h (FUNCTION_PROFILER): As for mips.h.

2009-08-16  Uros Bizjak  <ubizjak@gmail.com>

        * config/alpha/alpha.c (alpha_end_function): Handle NULL_RTX returned
        from prev_active_insn.

2009-08-16  Anatoly Sokolov  <aesok@post.ru>

        * config/avr/avr.h (AVR_HAVE_8BIT_SP): New macros.
        * config/avr/avr.c (avr_override_options): Initialize
        avr_current_arch variable.
        (avr_cpu_cpp_builtins): Define __AVR_HAVE_8BIT_SP__ or
        __AVR_HAVE_16BIT_SP__ according to the device type.
        (expand_prologue, output_movhi): Use AVR_HAVE_8BIT_SP instead of
        TARGET_TINY_STACK.
        (expand_epilogue): Use correct QI mode frame pointer for tiny stack.
        Use AVR_HAVE_8BIT_SP instead of TARGET_TINY_STACK.

2009-08-16  Dodji Seketeli  <dodji@redhat.com>

        PR debug/37801
        * gcc/dwarf2out.c (gen_inlined_subroutine_die): Concentrate on
        generating inlined subroutine die only. We shouldn't be
        called for anything else.
        (gen_block_die): Don't generate inline subroutine debug info for
        abstract blocks.

2009-08-15  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-poly.c (print_pbb): Print PBB index.

2009-08-15  Sebastian Pop  <sebastian.pop@amd.com>

        PR middle-end/40981
        * graphite-interchange.c (ppl_max_for_le): Moved...
        * graphite-poly.c (pbb_number_of_iterations): Call ppl_max_for_le.
        * graphite-ppl.c (ppl_max_for_le): ... here.  Correct the use of
        ppl_Pointset_Powerset_C_Polyhedron_maximize.
        * graphite-ppl.h (ppl_max_for_le): Declared.

2009-08-14  Olatunji Ruwase <tjruwase@google.com>

        * doc/extend.texi (Symbol-Renaming Pragmas): redefine_extname is
        supported on all platforms.
        * target.h (struct gcc_target): Remove handle_pragma_redefine_extname.
        * c-cppbuiltin.c: Remove use of targetm.handle_pragma_redefine_extname.
        * c-pragma.c: Likewise.
        * target-def.h (TARGET_INITIALIZER): Remove
        TARGET_HANDLE_PRAGMA_REDEFINE_EXTNAME.
        * config/sol2.h: Remove use of TARGET_HANDLE_PRAGMA_REDEFINE_EXTNAME.

2009-08-14  Douglas B Rupp  <rupp@gnat.com>

        * config/ia64/fde-vms.c: New file.
        * config/ia64/fde-glibc.c (_Unwind_FindTableEntry): Add dummy arg.
        * config/ia64/unwind-ia64.c (UNW_ accessors): Move to unwind-ia64.h
        (MD_UNW_COMPATIBLE_PERSONALITY_P): Provide default.
        (uw_frame_state_for): Only register a personality routine if it is
        known to be compatible with our expectations.
        (_Unwind_FindEnclosingFunction, uw_frame_state_for):
        Declare unw_table_entry stack variable and
        mod all calls to _Unwind_FindTableEntry to add arg.
        * config/ia64/unwind-ia64.h (UNW_ accessors): Move here.
        (_Unwind_FindTableEntry): Add arg to prototype.

2009-08-14  Eric Botcazou  <ebotcazou@adacore.com>

        * config/ia64/unwind-ia64.c (struct _Unwind_Context): Add new
        field 'signal_pfs_loc'.
        (uw_frame_state_for): Remove duplicate code dealing with leaf
        procedures without unwind info.
        If in the frame after unwinding through a signal handler, restore
        the AR.PFS register instead of the CFM if AR.PFS has not been saved.
        * config/ia64/linux-unwind.h (ia64_fallback_frame_state): Do not set
        'pfs_loc' to the AR.PFS location in the signal context; instead
        set 'signal_pfs_loc'.
        Manually generate the unwind info for the AR.PFS register.
        (ABI_MARKER_OLD_LINUX_SIGTRAMP, ABI_MARKER_OLD_LINUX_INTERRUPT,
        ABI_MARKER_LINUX_SIGTRAMP, ABI_MARKER_LINUX_INTERRUPT): Define.
        (ia64_handle_unwabi): Test 'fs->unwabi' against them.
        Do not set 'pfs_loc' to the AR.PFS location in the signal context;
        instead set 'signal_pfs_loc'.
        Remove code preventing the AR.PFS register from being restored
        from the signal context.

2009-08-14  Douglas B Rupp  <rupp@gnat.com>
            Tristan Gingold  <gingold@adacore.com>

        * config.gcc (ia64-hp-*vms*): Insert ia64/t-ia64 in tmake_file.
        * config/ia64/t-vms: New file.
        * config/ia64/vms64.h: New file.
        * config/ia64/vms.h: New file.
        * config/ia64/vms-crtinit.asm: New file.
        * config/ia64/vms_symvec_libgcc_s.opt: New file.
        * config/ia64/vms-unwind.h: New file.

2009-08-14  Uros Bizjak  <ubizjak@gmail.com>

        * config/alpha/alpha.c (alpha_emit_conditional_move): Handle
        TFmode compares.

2009-08-14  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        PR middle-end/30789
        * builtins.c (do_mpc_arg2): Make extern, define for any MPC version.
        Move declaration...
        * real.h (do_mpc_arg2): ... here.
        * fold-const.c (const_binop): Use MPC for complex MULT_EXPR
        and RDIV_EXPR.

2009-08-14  Rafael Avila de Espindola  <espindola@google.com>

        * final.c (add_debug_prefix_map): Don't use GC memory for
        old_prefix and new_prefix.

2009-08-14  Richard Guenther  <rguenther@suse.de>

        * ipa-prop.c (compute_complex_pass_through): If we cannot
        compute a non-varying offset for IPA_JF_ANCESTOR punt.

2009-08-14  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>

        * c-lex.c (c_lex_with_flags): Increase size of local variable
        to avoid memory clobber.

2009-08-14  Paolo Bonzini  <bonzini@gnu.org>

        PR target/40934
        * config/i386/i386.c (ix86_fp_comparison_strategy):
        Only enable/disable sahf at function granularity.

2009-08-14  Hans-Peter Nilsson  <hp@axis.com>

        PR rtl-optimization/41064
        * reload1.c (reload_as_needed): Don't call extract_insn
        for known invalid replacements after calling
        validate_replace_rtx_group and verify_changes.

2009-08-14  Uros Bizjak  <ubizjak@gmail.com>

        PR target/41019
        * config/i386/sse.md (SSEMODE124C8): New mode iterator.
        (vcond<SSEMODEF2P:mode>): Assert that operation is supported by
        ix86_expand_fp_vcond.
        (vcond<SSEMODE124C8:mode>): Use SSEMODE124C8 instead of SSEMODE124.
        Assert that operation is supported by ix86_expand_int_vcond.
        (vcondu<SSEMODE124C8:mode>): Ditto.

2009-08-13  DJ Delorie  <dj@redhat.com>

        * config/i386/djgpp-stdint.h: New.
        * config.gcc (djgpp): Use it.

2009-08-13  Kaz Kojima  <kkojima@gcc.gnu.org>

        * config/sh/sh.c (sh_override_options): When flag_exceptions or
        flag_unwind_tables is on, turn flag_reorder_blocks_and_partition off.

2009-08-13  Ghassan Shobaki  <ghassan.shobaki@amd.com>

        * tree-ssa-loop-prefetch.c
        (prune_ref_by_group_reuse): Enhance probabilistic analysis
        for long-stride pruning.
        (compute_miss_rate): New function to compute the probability
        that two memory references access different cache lines.

2009-08-13  Dave Korn  <dave.korn.cygwin@gmail.com>

        * gcc/config/i386/cygwin.h (LINK_SPEC): Add --enable-auto-image-base.

2009-08-13  Richard Guenther  <rguenther@suse.de>

        PR middle-end/41047
        * tree-ssa-ccp.c (ccp_fold): When folding pointer additions
        use the constant pointer type.
        * gimplify.c (canonicalize_addr_expr): Canonicalize independent
        of CV qualifiers on the target pointer type.
        * tree-ssa.c (useless_type_conversion_p): Move incomplete pointer
        conversion check before restrict check.

2009-08-12  Kaz Kojima  <kkojima@gcc.gnu.org>

        PR target/41029
        * config/sh/sh.md (reload_outdf__RnFRm+4): Fix thinko.

2009-08-12  Kaz Kojima  <kkojima@gcc.gnu.org>

        * config/sh/sh.c (sh_promote_function_mode): Add ATTRIBUTE_UNUSED.

2009-08-12  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/41011
        * ipa-cp.c (ipcp_lattice_from_jfunc): Deal with failing fold
        and reference constructing.

2009-08-12  Xinliang David Li  <davidxl@google.com>

        PR tree-optimization/41012
        * tree-flow.h : New external interface.
        * gimple-low.c (check_call_arg): Change to public function.
        Remove argument mismatch check in lowering.
        * tree-inline.h (tree_can_inline_p): Interface change.
        * tree-inline.c (tree_can_inline_p): Fold argument mismatch check
        into this function.
        * ipa-inline.c (cgraph_decide_inlining_of_small_functions):
        Call change to tree_can_inline_p function.
        (cgraph_decide_inlining_incrementally): Ditto.

2009-08-12  Richard Sandiford  <rdsandiford@googlemail.com>

        PR tree-optimization/41031
        * tree-outof-ssa.c (insert_value_copy_on_edge): Use promote_decl_mode
        on the partition variable rather than promote_mode on the source
        type.  Assert that the partition variable's type has the same
        mode as the source value's.

2009-08-12  Paolo Bonzini  <bonzini@gnu.org>

        * doc/tm.texi (TARGET_PROMOTE_FUNCTION_MODE): Add documentation
        for for_return == 2.
        * function.c (assign_parm_setup_reg): Use for_return == 2, improve
        comments.
        * calls.c (expand_call): Fix typo.
        * explow.c (promote_decl_mode): Use for_return == 2 for RESULT_DECL
        and PARM_DECL.
        * stmt.c (expand_value_return): Use promote_function_mode to copy out
        of pseudo.
        * targhooks.c (default_promote_function_mode): Handle for_return == 2.
        * config/cris/cris.c (cris_promote_function_mode): Likewise.
        * config/mmix/mmix.c (mmix_promote_function_mode): Likewise.
        * config/pa/pa.c (pa_promote_function_mode): Likewise.

2009-08-12  Andrew Haley  <aph@redhat.com>

        * config/arm/arm.c (arm_init_libfuncs): Add __sync_synchronize.

2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>

        PR bootstrap/40103
        * graphite.c: Remove pragma GCC diagnostic warning "-Wc++-compat".

2009-08-12  Richard Guenther  <rguenther@suse.de>

        * alias.c (get_alias_set): Honor TYPE_STRUCTURAL_EQUALITY_P.
        * gimplify.c (gimplify_modify_expr): Do not use
        lang_hooks.types_compatible_p.
        * tree-ssa.c (useless_type_conversion_p): For aggregates
        just return false if the canonical types differ.

2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>

        PR middle-end/40980
        * sese.c (convert_for_phi_arg): New.
        (add_guard_exit_phis): Use convert_for_phi_arg.

2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-sese-to-poly.c (pdr_add_data_dimensions): Dont add
        unknown subscript upper bounds.

2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>
            Pranav Garg  <pranav.garg2107@gmail.com>

        * graphite-interchange.c (gather_access_strides): Removed.
        (ppl_max_for_le): New.
        (build_linearized_memory_access): New.
        (memory_stride_in_loop): New.
        (pbb_interchange_profitable_p): Reimplemented.
        * graphite-ppl.h (ppl_new_id_map): New.
        (ppl_interchange): New.

2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-interchange.c (compute_subscript): Removed.
        (compute_array_size_cstr): Removed.
        (compute_array_size_poly): Removed.
        (compute_array_size): Removed.
        (gather_access_strides_poly): Removed.
        (gather_access_strides): Empty.

2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-dependences.c (dependence_polyhedron_1): Replace
        pdr_nb_subscripts with PDR_NB_SUBSCRIPTS.
        (graphite_legal_transform_dr): Same.
        (graphite_carried_dependence_level_k): Same.
        * graphite-poly.c (new_poly_dr): Add a parameter nb_subscripts.
        Initialize PDR_NB_SUBSCRIPTS.
        (print_pdr_access_layout): Replace pdr_nb_subscripts with
        PDR_NB_SUBSCRIPTS.
        * graphite-poly.h (struct poly_dr): Add nb_subscripts field.
        (PDR_NB_SUBSCRIPTS): New.
        (pdr_nb_subscripts): Removed.
        (pdr_dim): Simplified.
        * graphite-sese-to-poly.c (build_poly_dr): Replace pdr_nb_subscripts
        with PDR_NB_SUBSCRIPTS.

2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-interchange.c (compute_array_size): Remove use of
        PDR_DATA_CONTAINER.
        * graphite-poly.c (new_poly_dr): Remove argument data_container.
        Do not initialize PDR_DATA_CONTAINER.
        (print_pdr): Do not print PDR_DATA_CONTAINER.
        * graphite-poly.h (struct poly_dr): Remove data_container field.
        (PDR_DATA_CONTAINER): Removed.
        * graphite-sese-to-poly.c (pdr_add_data_dimensions): Remove use of
        PDR_DATA_CONTAINER.
        (build_poly_dr): Same.

2009-08-12  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
            Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-dependences.c (graphite_legal_transform_dr): Work on a
        copy of the dependence polyhedron.  Free the temporary objects.
        (graphite_carried_dependence_level_k): Free unused objects before
        returning.

2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-blocking.c (scop_do_strip_mine): Call store_scattering.
        Early return without analyzing the data dependences if no
        transform has been done.  Call restore_scattering if the transform
        is not legal.
        (graphite-interchange.c): Same.
        * graphite-poly.c (print_scattering_function): Test for
        PBB_TRANSFORMED.
        (graphite_read_transforms): Initialize PBB_TRANSFORMED.
        (apply_poly_transforms): Do not gcc_assert that
        the transform is legal.
        (new_poly_bb): Initialize PBB_TRANSFORMED, PBB_SAVED and PBB_ORIGINAL.
        Do not initialize PBB_NB_SCATTERING_TRANSFORM, PBB_NB_LOCAL_VARIABLES,
        PBB_TRANSFORMED_SCATTERING, and PBB_ORIGINAL_SCATTERING.
        (free_poly_dr): Free PBB_TRANSFORMED, PBB_SAVED, and PBB_ORIGINAL.
        * graphite-poly.h (struct poly_scattering): New.
        (struct poly_bb): Add original, transformed, and saved fields.
        Remove transformed_scattering, original_scattering,
        nb_local_variables and nb_scattering_transform fields.
        (PBB_ORIGINAL, PBB_TRANSFORMED, PBB_SAVED): New.
        (poly_scattering_new): New.
        (poly_scattering_free): New.
        (poly_scattering_copy): New.
        (store_scattering_pbb): New.
        (store_scattering): New.
        (restore_scattering_pbb): New.
        (restore_scattering): New.
        * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons):
        Initialize PBB_TRANSFORMED and PBB_ORIGINAL.

2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-poly.c (print_pbb): Add parentheses in the pretty print.
        (print_scop): Same.

2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>

        * Makefile.in (graphite.o): Depends on PREDICT_H.
        * graphite.c: Include predict.h.
        (graphite_finalize): Call tree_estimate_probability.
        * predict.c (predict_loops): Do not call scev_initialize and
        scev_finalize.
        (tree_estimate_probability_bb): New.
        (tree_estimate_probability): Do not initialize loops: move that
        code to the driver.  Call tree_estimate_probability_bb.
        (tree_estimate_probability_driver): New.
        (pass_profile): Use tree_estimate_probability_driver.
        * predict.h (tree_estimate_probability): Declared.

2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-clast-to-gimple.c (gloog): Add time to TV_GRAPHITE_CODE_GEN.
        * graphite-dependences.c (graphite_legal_transform): Add time to
        TV_GRAPHITE_DATA_DEPS.
        (dependency_between_pbbs_p): Same.
        * timevar.def (TV_GRAPHITE_DATA_DEPS, TV_GRAPHITE_CODE_GEN): New.

2009-08-12  Andrey Belevantsev  <abel@ispras.ru>

        PR rtl-optimization/41033
        * alias.c (nonoverlapping_component_refs_p): Punt when strict
        aliasing is disabled.

2009-08-11  Adam Nemet  <anemet@caviumnetworks.com>

        * config/mips/predicates.md (qi_mask_operand, hi_mask_operand,
        si_mask_operand, and_load_operand, low_bitmask_operand,
        and_reg_operand, and_operand): New predicates.
        * config/mips/constraints.md (Yb, Yh, Yw, Yz): New constraints.
        * config/mips/mips.c (and_operands_ok): New function.
        * config/mips/mips-protos.h (and_operands_ok): Declare it.
        * config/mips/mips.md (move_type): Add ext_ins and logical.
        (type): Handle them.
        (and<mode>3): Use and_reg_operand as the second operand's predicate.
        (*and<mode>3): Add alternatives for lbu, lhu, lwu, <d>ext and
        shift_shift.  Remove commutative constraint modifier.
        (*and<mode>3_mips16): Add alternatives for lbu, lhu, lwu and
        shift_shift.
        (*clear_upper32_dext): Remove define_insn_and_split.
        (*clear_upper32): Turn this define_insn_and_split ...
        (splitter for ANDing register with 0xffff_ffff): .. into this.

2009-08-11  Adam Nemet  <anemet@caviumnetworks.com>

        * combine.c (try_widen_shift_mode): Factor out code to check if an
        integer constant is a low-order bitmask from here ...
        * rtlanal.c (low_bitmask_len): ... to here.
        * rtl.h (low_bitmask_len): Declare.

2009-08-11  Uros Bizjak  <ubizjak@gmail.com>

        PR target/8603
        * config/alpha/alpha.md (addsi3): Remove expander.
        (addsi3): Rename from *addsi3_internal insn pattern.
        (subsi3): Remove expander.
        (subsi3): Rename from *subsi3_internal insn pattern.

2009-08-11  Douglas B Rupp  <rupp@gnat.com>

        * config/alpha/alpha.c (alpha_init_builtins): Nullify FWRITE and
        FWRITE_UNLOCKED.

2009-08-11  Vasiliy Fofanov  <fofanov@adacore.com>
            Eric Botcazou  <botcazou@adacore.com>
            Douglas B Rupp  <rupp@gnat.com>

        * config/alpha/alpha.c (alpha_return_in_memory): On VMS, ensure
        that records that fit in 64 bits are returned by immediate value,
        as required by OpenVMS Calling Standard.
        (function_value): Adjust for above modification.
        (alpha_va_start) <TARGET_ABI_OPEN_VMS>: Use
        virtual_incoming_args_rtx as base object, not next_arg.
        * config/alpha/vms.h: (DEFAULT_PCC_STRUCT_RETURN): Define as 0.

2009-08-11  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>

        * reload.c (find_reloads_subreg_address): Check the original
        req_equiv_mem address to detect the case where an address is
        not valid in the outer mode.

2009-08-11  Richard Guenther  <rguenther@suse.de>

        PR bootstrap/40788
        * builtins.c (gimplify_va_arg_expr): Do not call SET_EXPR_LOCATION.

2009-08-10  Douglas B Rupp  <rupp@gnat.com>

        * config/alpha/vms.h (OPTIMIZATION_OPTIONS): Remove
        (OVERRIDE_OPTIONS): Incorporate removed OPTIMIZATION_OPTIONS.

2009-08-10  Olivier Hainque  <hainqueu@adacore.com>
            Douglas B Rupp  <rupp@gnat.com>

        * config/alpha/alpha.c (alpha_sa_size): Force procedure type to
        PT_STACK when frame_pointer_needed on OpenVMS.
        (alpha_pv_save_size, alpha_using_fp): Remove.
        (alpha_vms_can_eliminate): New function. Support for CAN_ELIMINATE
        with proper processing for PT_NULL.
        (alpha_vms_initial_elimination_offset): New function. Support for
        INITIAL_ELIMINATION_OFFSET with proper processing for PT_NULL.
        (alpha_sa_size): Force procedure type to PT_STACK when
        frame_pointer_needed on OpenVMS.
        * config/alpha/alpha-protos.h (alpha_pv_save_size): Remove prototype.
        (alpha_using_fp): Likewise.
        (alpha_vms_can_eliminate): Add prototype.
        (alpha_vms_initial_elimination_offset): Likewise.
        * config/alpha/vms.h (CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET):
        Call alpha_vms_can_eliminate and alpha_vms_initial_elimination_offset.

2009-08-10  Eric Botcazou  <botcazou@adacore.com>
            Douglas B Rupp  <rupp@gnat.com>

        * config/alpha/alpha.c (common_object_handler): New function.
        (vms_attribute_table): Declare a single attribute "common_object".
        (vms_output_aligned_decl_common): New global function.
        (SECTION_VMS_OVERLAY): Delete.
        (SECTION_VMS_GLOBAL): Likewise.
        (SECTION_VMS_INITIALIZE): Likewise.
        (vms_asm_named_section): Remove support for above flags.
        (vms_section_type_flags): Delete.
        (TARGET_SECTION_TYPE_FLAGS): Likewise.
        * config/alpha/alpha-protos.h (vms_output_aligned_decl_common): New.
        * config/alpha/vms.h (ASM_OUTPUT_ALIGNED_COMMON): Delete.
        (ASM_OUTPUT_ALIGNED_DECL_COMMON): New macro.

2009-08-10  SUGIOKA Toshinobu  <sugioka@itonet.co.jp>

        PR target/41015
        * longlong.h [__sh__] (udiv_qrnnd): Add T register to clobber list.
        (sub_ddmmss): Likewise.

2009-08-10  Andreas Tobler  <a.tobler@schweiz.org>

        PR bootstrap/41018
        * config/rs6000/freebsd.h: Define SVR4_ASM_SPEC. Adjust copyright
        year.

2009-08-10  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>

        PR target/37053
        * reload1.c (reload_as_needed): Use cancel_changes to completely
        undo a failed replacement attempt.

2009-08-10  Richard Guenther  <rguenther@suse.de>

        PR middle-end/41006
        * tree-ssa.c (useless_type_conversion_p_1): Fold into ...
        (useless_type_conversion_p): ... here.  Require pointer targets
        to be compatible.

2009-08-10  Dodji Seketeli  <dodji@redhat.com>

        PR c++/40866
        * tree-inline.c (copy_statement_list): The resulting copy shouldn't
        loose the original type of the statement list.

2009-08-09  Douglas B Rupp  <rupp@gnat.com>

        * config/alpha/alpha.c: Include libfuncs.h
        (avms_asm_output_extern): New function.
        (alpha_init_libfuncs): Init some decc libfuncs.
        * config/alpha/alpha-protos.h (avms_asm_output_external): Declare.
        * config/alpha/vms.h (ASM_OUTPUT_EXTERNAL): Define.
        (DO_CRTL_NAMES): Define.
        (LIB_SPEC): Remove.
        * config/alpha/vms64.h: (POINTERS_EXTEND_UNSIGNED): Remove undef.
        (LONG_TYPE_SIZE): Define.
        (TARGET_OS_CPP_BUILTINS): Define with __LONG_POINTERS=1
        (SUBTARGET_SWITCHES): Define malloc64 switch.
        (TARGET_DEFAULT): Default MASK_MALLOC64 set.
        (MASK_RETURN_ADDR): Define.
        doc/invoke.texi (mmalloc64): Document switch.

2009-08-09  Olivier Hainque  <hainque@adacore.com>
            Douglas B Rupp  <rupp@gnat.com>

        * config/alpha/alpha.c (struct machine_function): New flag for VMS,
        uses_condition_handler.
        (alpha_expand_builtin_establish_vms_condition_handler): New expander.
        (alpha_expand_builtin_revert_vms_condition_handler): New expander.
        (enum alpha_builtin): New ALPHA_BUILTIN_REVERT_VMS_CONDITION_HANDLER
        and ALPHA_BUILTIN_ESTABLISH_VMS_CONDITION_HANDLER values.
        (code_for_builtin): New insn codes for the new alpha_builtins.
        (alpha_init_builtins): Register the new functions as BUILT_IN_MD.
        (alpha_sa_size): Account for uses_condition_handler.
        (alpha_expand_prologue): Likewise.
        (alpha_start_function): Likewise.
        (alpha_expand_epilogue): Likewise.
        * config/alpha/alpha-protos.h: Prototype the new alpha.c builtin
        establish/revert expanders.
        * config/alpha/alpha.h (DWARF_FRAME_REGNUM): Define.
        * config/alpha/alpha.md (builtin_establish_vms_condition_handler):
        New expander, resorting to the alpha.c associated function.
        (builtin_revert_vms_condition_handler): Likewise.
        * config/alpha/vms-gcc_shell_handler.c: New file. Implements
        __gcc_shell_handler, the static VMS condition handler used as
        an indirection wrapper to the current dynamically established
        handler.
        * config/alpha/vms-unwind.h: Complete rewrite.
        * config/alpha/t-vms (LIB2FUNCS_EXTRA): Add vms-gcc_shell_handler.c
        * config/alpha/vms.h (MD_UNWIND_SUPPORT):

2009-08-09  Eric Botcazou  <botcazou@adacore.com>
            Douglas B Rupp  <rupp@gnat.com>

        * config/alpha/alpha.c (alpha_links): Add 'target' field.
        (alpha_need_linkage): Handle aliases.  Return function symbol.
        (alpha_use_linkage): Rename 'linkage' argument to 'func'.
        Use ultimate alias target for the linkage name.
        * config/alpha/alpha.md (movmemdi): Use the symbol returned
        by alpha_need_linkage for the function symbol.
        (setmemdi): Likewise.

2009-08-09  Douglas B Rupp  <rupp@gnat.com>

        * config/alpha/alpha.c (TARGET_ASM_UNALIGNED_*_OP): Define if on VMS.
        * config/alpha/vms.h (OBJECT_FORMAT_ELF): Define.
        (ASM_WEAKEN_LABEL): Define.
        (CRT_CALL_STATIC_FUNCTION): Define.
        (STARTFILE_SPEC): Add crtbegin.o crtbeginS.o.
        (ENDFILE_SPEC): Define.
        (INIT_SECTION_ASM_OP): Define.
        * config/alpha/vms-dwarf2eh.asm (__EH_FRAME_BEGIN__): Remove.
        * config/alpha/t-vms (EXTRA_PARTS): Add crtbegin.o crtbeginS.o
        crtend.o crtendS.o.
        (MULTILIB_OSDIRNAMES): Define.
        (shlib_version): Define.
        (SHLIB_EXT): Define.
        (SHLIB_OBJS): Define.
        (SHLIB_NAME): Define.
        (SHLIB_MULTILIB): Define.
        (SHLIB_INSTALL): Define.
        (SHLIB_SYMVEC): Define.
        (SHLIB_SYMVECX2): Define.
        (SHLIB_LINK): Define.

2009-08-09  Douglas B Rupp  <rupp@gnat.com>

        * config/alpha/alpha.c (alpha_initialize_trampoline):
        Initialize VMS trampoline IAW ABI for bounded procedure calls.
        (alpha_start_function): Emit transfer address on nested functions
        for VMS trampoline call.
        * config/alpha/t-vms (LIB2FUNCS_EXTRA): Remove vms_tramp.asm
        since no longer used.
        * config/alpha/vms-tramp.asm: Remove.
        * config/alpha/vms.h (TRAMPOLINE_TEMPLATE): Leave undefined
        since now only data initialized at runtime.

2009-08-09  Douglas B Rupp  <rupp@gnat.com>

        * config/alpha/vms.h (HANDLE_SYSV_PRAGMA): Define.
        (LINK_GCC_C_SEQUENCE_SPEC): Define.
        (MD_EXEC_PREFIX): Remove, no longer used.
        (MD_STARTFILE_PREFIX): Likewise.
        (INCLUDE_DEFAULTS): Likewise.
        * config/alpha/t-vms:
        (vms-dwarf2.o, vms-dwarf2eh.o): Use GCC_FOR_TARGET to compile.

2009-08-09  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/41016
        * tree-ssa-ifcombine.c (get_name_for_bit_test): Fix tuplification bug.
        (operand_precision): Remove.
        (integral_operand_p): Likewise.
        (recognize_single_bit_test): Adjust.

2009-08-09  Richard Sandiford  <rdsandiford@googlemail.com>

        * c-common.c (c_fully_fold_internal): Issue a warning if a binary
        operation overflows.  Likewise non-cast unary arithmetic.
        If one arm of a conditional expression is always taken,
        inhibit evaluation warnings for the other arm.  Likewise inhibit
        evaluation warnings for the second && or || operand if the first
        operand is enough to determine the result.
        * c-typeck.c (build_conditional_expr): Apply the same inhibition
        rules here.
        (build_binary_op): Prevent duplicate evaluation warnings.

2009-08-09  Richard Sandiford  <rdsandiford@googlemail.com>

        * tree-out-of-ssa.c (insert_value_copy_on_edge): If the source
        and destination have different modes, Use promote_mode to
        determine the signedness of the conversion.  Assert that the
        promoted source mode matches the destination mode.  Don't pass
        the destination and destination mode to expand_expr if the source
        mode is different.  Simplify conversion logic.

2009-08-09  Ira Rosen  <irar@il.ibm.com>

        PR tree-optimization/41008
        * tree-vect-loop.c (vect_is_simple_reduction): Get operands
        from condition only in case it's a comparison. Adjust checks.

2009-08-09  Bernd Schmidt  <bernd.schmidt@analog.com>

        * tree-dfa.c (renumber_gimple_stmt_uids_in_blocks): New function.
        * tree-flow.h (renumber_gimple_stmt_uids_in_blocks): Declare it.
        * tree-ssa-loop-ivopts.c (comp_cost): Make COST an integer.
        (enum iv_position): Add IP_AFTER_USE and IP_BEFORE_USE.
        (dump_cand): Handle them.
        (struct iv_cand): New members COST_STEP and AINC_USE.
        (stmt_after_increment): Likewise.
        (stmt_after_inc_pos): Renamed from stmt_after_ip_original_pos.  All
        callers changed.  Use gimple_uid comparison instead of scanning.
        (add_candidate_1): When looking for identical candidates, take
        AINC_USE into account.  Set it for new candidates.
        (force_expr_to_var_cost): Cast target_spill_cost to int.
        (get_address_cost): New arguments STMT_AFTER_INC and MAY_AUTOINC.
        All callers changed.  Check for availability of autoinc addressing
        modes, both in general for a given mode, and in the specific use case.
        (get_computation_cost_at): New argument CAN_AUTOINC.  All callers
        changed.
        (get_computation_cost): Likewise.
        (autoinc_possible_for_pair, set_autoinc_for_original_candidates,
        add_autoinc_candidates): New static functions.
        (add_candidate): Call add_autoinc_candidates for candidates based on
        a USE_ADDRESS use.
        (find_iv_candidates): Call set_autoinc_for_original_candidates.
        (determine_use_iv_cost_address): If we have an autoinc candidate at
        the matching use, verify autoinc is possible and subtract the cost
        of the candidate's step from the cost.
        (determine_iv_cost): Record the cost of the increment in the COST_STEP
        member of the candidate.
        (tree_ssa_iv_optimize_loop): Swap the calls to determine_iv_costs and
        determine_use_iv_costs.  Call renumber_gimple_stmt_uids_in_blocks.

2009-08-09  Douglas B Rupp  <rupp@gnat.com>

        * config.build (ia64-hp-*vms*): New target.
        (alpha64-dec-*vms*,alpha*-dec-*vms*): Fix for config/vms and unify
        with ia64-hp-*vms*.
        * config.gcc (ia64-hp-*vms*): New target.
        (alpha64-dec-*vms*,alpha*-dec-*vms*): Fix for config/vms and unify
        with ia64-hp-*vms*.
        * config.host (ia64-hp-*vms*): New target.
        (alpha64-dec-*vms*,alpha*-dec-*vms*): Fix for config/vms and unify
        with ia64-hp-*vms*.

2009-08-08  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/40991
        * tree-ssa-pre.c (eliminate): Delay purging EH edges.

2009-08-08  Richard Sandiford  <rdsandiford@googlemail.com>

        * combine.c (gen_lowpart_or_truncate): Exclude CONST_INTs from
        mode check.  Do truncations in an integer mode.
        (force_to_mode): Handle subregs for all mode types.  Only do
        arithmetic simplifications on integer modes.

2009-08-07  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/40999
        * tree-ssa-ccp.c (get_symbol_constant_value): Handle CONST_DECLs.
        (maybe_fold_reference): Lookup constant initializers.
        (fold_gimple_assign): Likewise.

2009-08-07  Richard Guenther  <rguenther@suse.de>

        * tree-ssa.c (useless_type_conversion_p_1): Only for types
        that require structural equality defer to the langhook.

2009-08-07  Martin Jambor  <mjambor@suse.cz>

        * ipa-prop.h (enum jump_func_type): New value IPA_JF_ANCESTOR, changed
        comments.
        (struct ipa_pass_through_data): New type.
        (struct ipa_ancestor_jf_data): New type.
        (union jump_func_value): Removed field formal_id, added fields
        pass_through and ancestor.
        (struct ipa_param_call_note): Changed type of formal_id to int from
        unsigned.
        * ipa-prop.c (ipa_print_node_jump_functions): Print pass through with
        operations jump functions and ancestor jump functions.
        (compute_complex_pass_through): New function.
        (compute_scalar_jump_functions): Call compute_complex_pass_through,
        reflect changes in the jump function strucutre.
        (update_jump_functions_after_inlining): Ignore complex pass-through
        and ancestor jump functions.
        * ipa-cp.c (ipcp_lattice_from_jfunc): Added support for ancestor and
        polynomial pass-through with operation jump functions.

2009-08-07  Jakub Jelinek  <jakub@redhat.com>

        * dwarf2out.c (output_fde): When doing hot/cold partitioning, use
        fde->dw_fde_begin as begin label instead of hot/cold label.
        Use LLSDAC label instead of LLSDA for second section lsda.
        (dwarf2out_do_cfi_startproc): Add SECOND argument.  Use LLSDAC
        label instead of LLSDA if it is true.
        (dwarf2out_begin_prologue, dwarf2out_switch_text_section): Adjust
        callers.
        * except.c (add_call_site, dw2_size_of_call_site_table): Add
        SECTION argument.  Use it as index into crtl->eh.call_site_record
        array.
        (dw2_output_call_site_table): Likewise.  Add CS_FORMAT argument,
        use it to determine how to print table entries instead of using
        #ifdef HAVE_AS_LEB128.  For SECTION > 0 use hot resp. cold
        label instead of normal begin label as base.
        (sjlj_assign_call_site_values): Adjust add_call_site caller.
        (convert_to_eh_region_ranges): When doing hot/cold partitioning,
        ensure no EH range spans between sections and that landing pads
        are always in the corresponding section.
        (sjlj_size_of_call_site_table, sjlj_output_call_site_table): Adjust
        for crtl->eh.call_site_record being an array rather than scalar.
        (output_one_function_exception_table): New function, copied
        from output_function_exception_table.  Adjust
        dw2_size_of_call_site_table, dw2_output_call_site_table
        callers.  For SECOND section use *C suffixed labels.
        (output_function_exception_table): Call
        output_one_function_exception_table and, when doing hot/cold
        partitioning, also another time for the second section.
        * opts.c: Include except.h.
        (decode_options): Allow -freorder-blocks-and-partition with
        exceptions, unless SJLJ or TARGET_UNWIND_INFO.
        * Makefile.in (opts.o): Depend on $(EXCEPT_H).
        * function.h (struct rtl_eh): Change call_site_record from
        scalar into array of 2 elements.

2009-08-07  Martin Jambor  <mjambor@suse.cz>

        * ipa-prop.c (count_formal_params_1): New function.
        (ipa_get_vector_of_formal_parms): New function.
        (get_vector_of_formal_parm_types): New function.
        (ipa_modify_formal_parameters): New function.
        (ipa_modify_call_arguments): New function.
        (index_in_adjustments_multiple_times_p): New function.
        (ipa_combine_adjustments): New function.
        (ipa_dump_param_adjustments): New function.
        * ipa-prop.h (struct ipa_parm_adjustment): New type.
        (ipa_get_vector_of_formal_parms): Declare.
        (ipa_modify_formal_parameters): Declare.
        (ipa_modify_call_arguments): Declare.
        (ipa_combine_adjustments): Declare.
        (ipa_dump_param_adjustments): Declare.
        (build_ref_for_offset): Declare.
        * Makefile.in (tree-sra.o): Add ipa-prop.h to dependencies.
        * tree-sra.c: Include ipa-prop.c.
        (build_ref_for_offset): Make public.

2009-08-06  Neil Vachharajani  <nvachhar@gmail.com>

        * value-prof.c (init_pid_map): Replace xmalloc with XCNEWVEC.

2009-08-06  Thomas Schwinge  <tschwinge@gnu.org>

        * gcc/doc/extend.texi (__builtin_extract_return_address)
        (__builtin_frob_return_address): Document.

2009-08-06  Paul Brook  <paul@codesourcery.com>

        * config/arm/lib1funcs.asm (ARM_DIV_BODY): Add Thumb-2 implementation.
        (udivsi3, aeabi_uidivmod, divsi3, aeabi_idivmod): Only use Thumb-1
        implementation on ARMv6-M.

2009-08-06  Richard Earnshaw  <rearnsha@arm.com>

        * doc/extend.texi (pcs): Document new attribute for ARM.

2009-08-06  Richard Earnshaw  <rearnsha@arm.com>

        * arm.c (pcs_attribute_args): Comment out unsupported attribute
        variants.

2009-08-06  Richard Earnshaw  <rearnsha@arm.com>

        * arm.c (arm_handle_pcs_attribute): Pass the entire name object to
        warning ().

2009-08-06  Richard Earnshaw  <rearnsha@arm.com>

        * arm.c (arm_handle_pcs_attribute): Use %qE in warning.

2009-08-06  Richard Earnshaw  <rearnsha@arm.com>

        Merge ARM/hard_vfp_branch to trunk.

        2009-08-04  Richard Earnshaw  <rearnsha@arm.com>

        * arm.c (libcall_eq): New function.
        (libcall_hash): New function.
        (add_libcall): New function.
        (arm_libcall_uses_aapcs_base): New function.
        (arm_libcall_value): Use arm_libcall_uses_aapcs_base to check for
        libcalls using the base PCS.
        (arm_init_cumulative_args): Likewise.

        2009-07-20  Joseph Myers  <joseph@codesourcery.com>

        * config/arm/arm.c (arm_libcall_value, arm_init_cumulative_args):
        Use base ABI for conversion libfuncs between HFmode and SFmode.

        2009-05-12  Joseph Myers  <joseph@codesourcery.com>

        * config/arm/arm.c (aapcs_vfp_sub_candidate): Use V2SImode and
        V4SImode as representatives of all 64-bit and 128-bit vector
        types.  Allow vector types without vector modes.
        (aapcs_vfp_is_call_or_return_candidate): Handle vector types
        without vector modes like BLKmode.
        (aapcs_vfp_allocate): Handle TImode for non-TARGET_NEON like
        BLKmode.  Avoid unsupported vector modes or TImode moves for
        non-TARGET_NEON.
        (aapcs_vfp_allocate_return_reg): Likewise.
        (arm_vector_mode_supported_p): Only support V2SImode, V4HImode and
        V8QImode if TARGET_NEON || TARGET_IWMMXT.

        2009-05-12  Joseph Myers  <joseph@codesourcery.com>

        * config/arm/arm.c (arm_handle_pcs_attribute): New.
        (arm_get_pcs_model): Pass attribute arguments to
        arm_pcs_from_attribute.
        (arm_init_cumulative_args): Use base AAPCS for conversions from
        floating-point types to DImode.
        (arm_attribute_table): Add pcs attribute.
        (arm_handle_pcs_attribute): New.
        * config/arm/bpabi.h (DECLARE_LIBRARY_RENAMES): When renaming
        conversions from floating-point types to DImode, also declare them
        to use base AAPCS and declare functions they call to use base
        AAPCS and their RTABI names.

        2009-05-12  Joseph Myers  <joseph@codesourcery.com>

        * doc/invoke.texi (-mfloat-abi=@var{name}): Remove statement about
        -mfloat-abi=hard not being supported for VFP.

        2009-05-11  Kazu Hirata  <kazu@codesourcery.com>

        * config/sparc/sparc.c (sparc_emit_float_lib_cmp): Pass a libcall
        SYMBOL_REF to hard_libcall_value.

        2009-03-05  Joseph Myers  <joseph@codesourcery.com>
            Richard Earnshaw  <rearnsha@arm.com>

        * config/arm/arm.c (aapcs_layout_arg): Once a co-processor argument
        has been put on the stack, all remaining co-processory arguments for
        that co-processor also go on the stack.

        2009-03-05  Joseph Myers  <joseph@codesourcery.com>

        * config/arm/arm.c (arm_return_in_memory): Handle returning
        vectors of suitable size in registers also for AAPCS case.

        2009-01-13  Richard Earnshaw <rearnsha@arm.com>

        * doc/tm.texi (TARGET_LIBCALL_VALUE): Add missing end statement.

        2008-12-09  Richard Earnshaw <rearnsha@arm.com>

        ARM Hard-VFP calling convention
        * target-def.h (TARGET_LIBCALL_VALUE): New hook.
        * target.h (gcc_target): Add libcall_value to table of call hooks.
        * targhooks.h (default_libcall_value): Default implementation.
        * targhooks.c (default_libcall_value): Likewise.
        * doc/tm.texi (TARGET_LIBCALL_VALUE): Document it.
        * optabs.c (expand_unop): Use it.
        * expr.h (hard_libcall_value): Pass the function RTX through.
        * calls.c (emit_library_call_value_1): Update call to
        hard_libcall_value.
        * explow.c (hard_libcall_value): Use new target hook.
        * testsuite/lib/target-supports.exp
        (check_effective_target_arm_hard_vfp_ok): New hook.
        (check_effective_target_arm_neon_ok): Improve test for neon
        availability.
        * testsuite/gcc.target/arm/eabi1.c: Only run test in base variant.
        * config/arm/arm.c: Include cgraph.h
        (TARGET_FUNCTION_VALUE): Override default hook.
        (arm_pcs_default): New variable.
        (arm_override_options): Don't fault hard calling convention with VFP.
        Add support for AAPCS variants.
        (arm_function_value): Make static.  Handle AAPCS variants.
        (arm_libcall_value): New function.
        (arm_apply_result_size): Handle VFP registers in results.
        (arm_return_in_memory): Rework all AAPCS variants; handle hard-vfp
        conventions.
        (pcs_attribute_args): New variable.
        (arm_pcs_from_attribute): New function.
        (arm_get_pcs_model): New function.
        (aapcs_vfp_cum_init): New function.
        (aapcs_vfp_sub_candidate): New function.
        (aapcs_vfp_is_return_candidate): New function.
        (aapcs_vfp_is_call_candidate): New function.
        (aapcs_vfp_allocate): New function.
        (aapcs_vfp_allocate_return_reg): New function.
        (aapcs_vfp_advance): New function.
        (aapcs_cp_arg_layout): New variable.
        (aapcs_select_call_coproc): New function.
        (aapcs_select_return_coproc): New function.
        (aapcs_allocate_return_reg): New function.
        (aapcs_libcall_value): New function.
        (aapcs_layout_arg): New function.
        (arm_init_cumulative_args): Initialize AAPCS args data.
        (arm_function_arg): Handle AAPCS variants using new interface.
        (arm_arg_parital_bytes): Likewise.
        (arm_function_arg_advance): New function.
        (arm_function_ok_for_sibcall): Ensure that sibling calls agree on
        calling conventions.
        (arm_setup_incoming_varargs): Handle new AAPCS args data.
        * arm.h (NUM_VFP_ARG_REGS): Define.
        (LIBCALL_VALUE): Update.
        (FUNCTION_VALUE): Delete.
        (FUNCTION_VALUE_REGNO_P): Add VFP regs.
        (arm_pcs): New enum.
        (CUMULATIVE_ARGS): New data to support AAPCS argument marshalling.
        (FUNCTION_ARG_ADVANCE): Call arm_function_arg_advance.
        (FUNCTION_ARG_REGNO_P): Add VFP regs.
        * arm-protos.h (arm_function_arg_advance): Add.
        (aapcs_libcall_value): Add.
        (arm_function_value): Delete.

2009-08-06  Uros Bizjak  <ubizjak@gmail.com>
            H.J. Lu  <hongjiu.lu@intel.com>

        PR target/40957
        * config/i386/i386.c (standard_sse_mode_p): Remove.
        (standard_sse_constant_p): Return 2 for integer mode
        vector_all_ones_operand when SSE2 is enabled.
        (standard_sse_constant_opcode)<case 2>: Always return [v]pcmpeqd.
        (ix86_expand_vector_move): Do not check for negative values from
        standard_sse_constant_p.

2009-08-06  Richard Guenther  <rguenther@suse.de>

        * tree-ssa.c (useless_type_conversion_p_1): Make function and
        array type comparisons frontend independent.
        * Makefile.in (tree-ssa.o): Add $(TARGET_H) dependency.
        * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Always fill
        out array reference lower bound and element size operands.
        (ao_ref_init_from_vn_reference): Properly compute the offset
        for ARRAY_RANGE_REF.
        (vn_reference_fold_indirect): Fill out array reference lower
        bound and element size operands.
        * tree-ssa-pre.c (phi_translate_1): Fail if we have to translate
        a non gimple valued reference operand which can happen for
        array reference lower bound or element size.
        (create_component_ref_by_pieces_1): Properly generate the
        element size operand for array references.

2009-08-06  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/40964
        * tree.c (iterative_hash_host_wide_int): Export.
        * tree.h (iterative_hash_host_wide_int): Declare.
        * tree-ssa-structalias.c (heapvar_map): New struct.
        (heapvar_map_eq): New function.
        (heapvar_map_hash): Likewise.
        (heapvar_lookup): Adjust.
        (heapvar_insert): Likewise.
        (make_constraint_from_heapvar): Allow multiple heap variables
        per decl at different offsets.
        (init_alias_heapvars): Adjust.

2009-08-04  David Daney  <ddaney@caviumnetworks.com>

        * config/mips/mips.h (TARGET_SYNC_AFTER_SC): New macro.
        * mips_output_sync_loop (mips_output_sync_loop): Only emit
        trailing sync if TARGET_SYNC_AFTER_SC.

2009-08-05  David Daney  <ddaney@caviumnetworks.com>

        * gcc/config/mips/sync.md (sync_compare_and_swap<mode>,
        compare_and_swap_12, sync_add<mode>, sync_<optab>_12,
        sync_old_<optab>_12, sync_new_<optab>_12, sync_nand_12,
        sync_old_nand_12, sync_new_nand_12, sync_sub<mode>,
        sync_old_add<mode>, sync_old_sub<mode>, sync_new_add<mode>,
        sync_new_sub<mode>, sync_<optab><mode>, sync_old_<optab><mode>,
        sync_new_<optab><mode>, sync_nand<mode>, sync_old_nand<mode>,
        sync_new_nand<mode>, sync_lock_test_and_set<mode>,
        test_and_set_12): Rewrite calls to mips_output_sync_loop.
        * gcc/config/mips/mips-protos.h (mips_output_sync_loop): Make
        the prototype declaration match the definition.
        * gcc/config/mips/mips.c (mips_output_sync_loop):  Emit sync
        instructions explicitly.  Add barrier_before and operands
        parameters.
        * gcc/config/mips/mips.h (MIPS_COMPARE_AND_SWAP,
        MIPS_COMPARE_AND_SWAP_12, MIPS_SYNC_OP, MIPS_SYNC_OP_12,
        MIPS_SYNC_OLD_OP_12, MIPS_SYNC_NEW_OP_12, MIPS_SYNC_OLD_OP,
        MIPS_SYNC_NEW_OP, MIPS_SYNC_NAND, MIPS_SYNC_OLD_NAND,
        MIPS_SYNC_NEW_NAND, MIPS_SYNC_EXCHANGE,
        MIPS_SYNC_EXCHANGE_12): Remove sync instructions.

2009-08-05  Andrew Pinski  <pinskia@gmail.com>

        * tree-ssa-alias.c: Fix intervals to use [) syntax.

2009-08-05  Uros Bizjak  <ubizjak@gmail.com>
            Mikulas Patocka  <mikulas@artax.karlin.mff.cuni.cz>

        PR target/40906
        * config/i386/i386.c (ix86_split_long_move): Fix push of multi-part
        source operand.

2009-08-05  Jakub Jelinek  <jakub@redhat.com>

        PR rtl-optimization/40924
        * dse.c (canon_address): Before calling cselib_expand_value_rtx
        make sure canon_rtx (mem_address) isn't simpler than
        canon_rtx (expanded_mem_address).

2009-08-05  Li Feng  <nemokingdom@gmail.com>

        * graphite-sese-to-poly.c (build_pbb_drs): Remove build alias set
        for each poly_bb_p.
        (build_scop_drs): Build alias set for each SCoP.

2009-08-04  Sandra Loosemore  <sandra@codesourcery.com>

        * doc/invoke.texi (MIPS Options): Document new 1004K -march options.
        * config/mips/mips.c (mips_cpu_info_table): Add 1004K cores.
        * config/mips/mips.h (MIPS_ISA_LEVEL_SPEC): Add pattern for 1004K.
        (MIPS_ARCH_FLOAT_SPEC): Likewise.
        (BASE_DRIVER_SELF_SPECS): Likewise.

2009-08-04  Andrew Pinski  <pinskia@gmail.com>

        * tree-ssa-alias.c: Fix some comment typos.

2009-08-04  Kaz Kojima  <kkojima@gcc.gnu.org>

        * config/sh/linux-atomic.asm (ATOMIC_BOOL_COMPARE_AND_SWAP,
        ATOMIC_OP_AND_FETCH, ATOMIC_COMBOP_AND_FETCH): Define.

2009-08-03  Janis Johnson  <janis187@us.ibm.com>

        PR c/39902
        * simplify-rtx.c (simplify_binary_operation_1): Disable
        simplifications for decimal float operations.

2009-08-03  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/40943
        * tree-ssa.c (warn_uninitialized_var): Even on LHS warn for
        operand of INDIRECT_REF.

2009-08-03  Uros Bizjak  <ubizjak@gmail.com>

        * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject CONST
        constants referencing TLS symbols.

2009-08-03  SUGIOKA Toshinobu  <sugioka@itonet.co.jp>

        * config/sh/linux-atomic.asm (ATOMIC_COMPARE_AND_SWAP): Rename
        __sync_compare_and_swap_* to __sync_val_compare_and_swap_*.

2009-08-03  Richard Guenther  <rguenther@suse.de>

        * tree.c (make_vector_type): Build a main variant first,
        get the canonical one and then build the variant.
        * tree-ssa.c (useless_type_conversion_p_1): Handle
        fixed-point types.
        (useless_type_conversion_p): Conversions to pointers to
        incomplete record types are useless.

2009-08-03  Richard Guenther  <rguenther@suse.de>

        * tree-cfg.c (pass_warn_unused_result): Mark name that no dump
        file will be created.
        * omp-low.c (pass_diagnose_omp_blocks): Likewise.
        * toplev.c (compile_file): Adjust comment.

2009-08-03  Kaz Kojima  <kkojima@gcc.gnu.org>

        * config/sh/sh-protos.h (sh_promote_function_mode): Remove.
        * config/sh/sh.c (sh_promote_function_mode): Wrap long lines.
        (TARGET_PROMOTE_FUNCTION_MODE): Define.
        (TARGET_PROMOTE_FUNCTION_ARGS): Remove.
        (sh_promote_function_mode): Fix typo.

2009-08-03  Andreas Krebbel  <krebbel1@de.ibm.com>

        * explow.c (promote_mode): Mark TYPE and PUNSIGNEDP as possibly unused.

2009-08-02  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        * pa.c (pa_promote_function_mode): Remove ATTRIBUTE_UNUSED from
        declaration arguments.

2009-08-02  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.c (ix86_expand_fp_compare): Use const0_rtx instead
        of GEN_INT (0x00) and const1_rtx instead of GEN_INT (0x01).
        (ix86_split_ashl): Ditto.
        (ix86_expand_vector_init_one_nonzero): Ditto.
        (ix86_expand_vector_set): Ditto.
        (ix86_expand_reduc_v4sf): Ditto.

2009-08-02  Paolo Bonzini  <bonzini@gnu.org>

        * explow.c (promote_function_mode): Remove assert.
        * config/sh/sh.c (sh_promote_function_mode): Declare.

2009-08-01  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        * config/pa/pa.c (pa_promote_function_mode): Declare.
        Change to static.  Fix promote_mode call.

        * gthr-dce.h (CONST_CAST2): Define if not defined.
        (__gthread_setspecific): Use CONST_CAST2 to fix warning.

        * config.gcc (hppa[12]*-*-hpux10*): Add stdint support.

2009-08-01  Paolo Bonzini  <bonzini@gnu.org>

        * expr.c (store_constructor): Use promote_decl_mode.  Remove
        now write-only variable unsignedp.
        (expand_expr_real_1): Use promote_decl_mode.
        * expr.h (promote_function_mode, promote_decl_mode): New.
        (promote_mode): Remove last argument.
        * function.c (assign_temp): Drop last argument of promote_mode.
        (assign_parm_find_data_types): Use promote_function_mode.
        (assign_parm_setup_reg): Likewise.
        (expand_function_end): Use promote_function_mode.
        * calls.c (initialize_argument_information): Use promote_function_mode.
        (precompute_arguments): Use promote_mode instead of checking if
        only PROMOTE_FUNCTION_MODE is defined.
        (expand_call): When making sibcall decisions, use promote_function_mode.
        Below, remove an if for targetm.calls.promote_function_return and
        and use promote_function_mode.
        (emit_library_call_value_1): Use promote_function_mode, fix bug
        where promote_mode was passed FOR_CALL == 0 for a return value in an
        assertion.
        * cfgexpand.c (expand_one_register_var): Use promote_decl_mode.
        * explow.c (promote_function_mode, promote_decl_mode): New.
        (promote_mode): Keep only the FOR_CALL == 0 case.
        * combine.c (setup_incoming_promotion): Remove test of
        promote_function_args.  Use promote_function_mode.
        * stmt.c (expand_value_return): Use promote_decl_mode.
        (expand_decl): Use promote_decl_mode.

        * expr.c (store_constructor): Use promote_decl_mode.  Remove
        now write-only variable unsignedp.
        (expand_expr_real_1): Use promote_decl_mode.
        * expr.h (promote_function_mode, promote_decl_mode): New.
        (promote_mode): Remove last argument.
        * function.c (assign_temp): Drop last argument of promote_mode.
        (assign_parm_find_data_types): Use promote_function_mode.
        (assign_parm_setup_reg): Likewise.
        (expand_function_end): Use promote_function_mode.
        * calls.c (initialize_argument_information): Use promote_function_mode.
        (precompute_arguments): Use promote_mode instead of checking if
        only PROMOTE_FUNCTION_MODE is defined.
        (expand_call): When making sibcall decisions, use promote_function_mode.
        Below, remove an if for targetm.calls.promote_function_return and
        and use promote_function_mode.
        (emit_library_call_value_1): Use promote_function_mode, fix bug
        where promote_mode was passed FOR_CALL == 0 for a return value in an
        assertion.
        * cfgexpand.c (expand_one_register_var): Use promote_decl_mode.
        * explow.c (promote_function_mode, promote_decl_mode): New.
        (promote_mode): Keep only the FOR_CALL == 0 case.
        * combine.c (setup_incoming_promotion): Remove test of
        promote_function_args.  Use promote_function_mode.
        * stmt.c (expand_value_return): Use promote_decl_mode.
        (expand_decl): Use promote_decl_mode.

        * explow.c (promote_function_mode): Just call the target hook.
        * targhooks.c (default_promote_function_mode,
        default_promote_function_mode_always_promote): New.
        * targhooks.h (default_promote_function_mode,
        default_promote_function_mode_always_promote): Declare.
        * target.h (promote_function_args, promote_function_return): Remove.
        (promote_function_mode): New.
        * target-def.h (TARGET_PROMOTE_FUNCTION_ARGS,
        TARGET_PROMOTE_FUNCTION_RETURN): Remove.
        (TARGET_PROMOTE_FUNCTION_MODE): New.
        (TARGET_CALLS): Adjust.
        * system.h (TARGET_PROMOTE_FUNCTION_ARGS,
        TARGET_PROMOTE_FUNCTION_RETURN, PROMOTE_FUNCTION_MODE): Poison.

        * config/s390/s390.h (PROMOTE_FUNCTION_MODE): Move...
        * config/s390/s390.c (s390_promote_function_mode): ... here,
        with pointer handling.
        (TARGET_PROMOTE_FUNCTION_MODE): Define.
        (TARGET_PROMOTE_FUNCTION_ARGS, TARGET_PROMOTE_FUNCTION_RETURN): Remove.

        * config/sparc/sparc.h (PROMOTE_FUNCTION_MODE): Move...
        * config/sparc/sparc.c (sparc_promote_function_mode): ... here,
        with pointer handling.
        (TARGET_PROMOTE_FUNCTION_MODE): Define.
        (TARGET_PROMOTE_FUNCTION_ARGS, TARGET_PROMOTE_FUNCTION_RETURN): Remove.

        * config/sh/sh-protos.h (sh_promote_function_mode): New.
        * config/sh/sh.c (sh_promote_function_mode): New.
        (TARGET_PROMOTE_FUNCTION_MODE): Define.
        (TARGET_PROMOTE_FUNCTION_ARGS, TARGET_PROMOTE_FUNCTION_RETURN): Remove.

        * config/cris/cris.h (PROMOTE_FUNCTION_MODE): Move...
        * config/cris/cris.c (cris_promote_function_mode): ... here.
        (TARGET_PROMOTE_FUNCTION_MODE): Define.
        (TARGET_PROMOTE_FUNCTION_ARGS): Remove.

        * config/mmix/mmix.h (PROMOTE_FUNCTION_MODE): Move...
        * config/mmix/mmix.c (mmix_promote_function_mode): ... here.
        (TARGET_PROMOTE_FUNCTION_MODE): Define.
        (TARGET_PROMOTE_FUNCTION_ARGS): Remove.

        * config/arm/arm.h (PROMOTE_FUNCTION_MODE): Move...
        * config/arm/arm.c (arm_promote_function_mode): ... here, without
        complex type handling.
        (TARGET_PROMOTE_FUNCTION_MODE): Define.
        (TARGET_PROMOTE_FUNCTION_ARGS, TARGET_PROMOTE_FUNCTION_RETURN): Remove.

        * config/pa/pa.c (pa_promote_function_mode): New.
        (TARGET_PROMOTE_FUNCTION_MODE): Define.
        (TARGET_PROMOTE_FUNCTION_RETURN): Remove.

        * config/alpha/alpha.c (TARGET_PROMOTE_FUNCTION_ARGS,
        TARGET_PROMOTE_FUNCTION_RETURN): Remove.
        (TARGET_PROMOTE_FUNCTION_MODE): Define equivalently.
        * config/xtensa/xtensa.c: Likewise.
        * config/stormy16/stormy16.c: Likewise.
        * config/iq2000/iq2000.c: Likewise.
        * config/rs6000/rs6000.c: Likewise.
        * config/picochip/picochip.c: Likewise.
        * config/arc/arc.c: Likewise.
        * config/mcore/mcore.c: Likewise.
        * config/score/score.c: Likewise.
        * config/mips/mips.c: Likewise.
        * config/bfin/bfin.c: Likewise.
        * config/ia64/ia64.c: Likewise (disabled though).

        * config/frv/frv.h: Remove pointless remark.

        * doc/tm.texi (PROMOTE_FUNCTION_MODE,
        TARGET_PROMOTE_FUNCTION_ARGS,
        TARGET_PROMOTE_FUNCTION_RETURN): Consolidate into...
        (TARGET_PROMOTE_FUNCTION_MODE): ... this.

2009-08-01  Sebastian Pop  <sebastian.pop@amd.com>

        * doc/invoke.texi (-fgraphite-force-parallel): Renamed
        -floop-parallelize-all.
        * toplev.c (process_options): Rename flag_graphite_force_parallel to
        flag_loop_parallelize_all.
        * tree-ssa-loop.c (gate_graphite_transforms): Same.
        * graphite.c (graphite_transform_loops): Same.
        * common.opt: Same.
        * graphite-poly.c (apply_poly_transforms): Same.

2009-07-31  Richard Earnshaw  <rearnsha@arm.com>

        PR tree-optimization/40914
        * ipa-prop.c (ipa_get_ptr_load_param): New argument use_delta,
        if set, then check the delta field of the PMF record.
        (ipa_get_stmt_member_ptr_load_param): Propagate new param use_delta.
        (ipa_analyze_call_uses): Handle machines where the vbit for a PMF
        call is stored in the delta.

2009-07-31  Adam Nemet  <anemet@caviumnetworks.com>

        * config/mips/mips.md (*clear_upper32_dext): New pattern.

2009-07-31  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/bsd.h (ASM_BYTE): New define.
        * config/i386/darwin.h (ASM_BYTE): Rename from ASM_BYTE_OP.
        * config/i386/att.h (ASM_BYTE): New define. Use ASM_BYTE instead of
        .byte.  Use fputs or putc instead of fprintf where appropriate.
        * config/i386/i386-interix.h: Use ASM_BYTE instead of .byte.  Use
        fputs or putc instead of fprintf where appropriate.
        * config/i386/i386elf.h: Ditto.
        * config/i386/sysv4.h: Ditto.

        * config/i386/i386.c (TARGET_ASM_BYTE_OP): New define.
        * config/i386/i386.md (x86_sahf_1): Use ASM_BYTE instead of .byte.
        (*tls_global_dynamic_64): Ditto.

2009-07-31  Christian Bruel  <christian.bruel@st.com>

        * gcc/config.gcc (sh*-*-elf): test with_libgloss.

2009-07-31  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>

        * config/arm/arm.c (arm_arm_address_cost): Fix typo.
        Remove dead code for MINUS.

2009-07-31  Anthony Green  <green@moxielogic.com>

        * config/moxie/moxie.c (moxie_expand_prologue): Use $r5 instead of
        $r12 in prologue.
        (moxie_expand_epilogue): Ditto for epilogue.
        (moxie_setup_incoming_varargs): ABI change.  Use 5 registers for
        incoming arguments.
        (moxie_function_arg): Ditto.
        (moxie_pass_by_reference): Ditto.
        (moxie_arg_partial_bytes): Ditto.
        * config/moxie/moxie.h (CALL_USED_REGISTERS): Ditto.
        (FUNCTION_ARG_ADVANCE) Ditto.
        (REG_PARM_STACK_SPACE) Ditto.
        (FUNCTION_ARG_REGNO_P) Dito.

        * config.gcc: Add moxie linux config support.
        * gcc/config/moxie/uclinux.h: New file.

2009-07-31  DJ Delorie  <dj@redhat.com>

        * config/sh/sh.md (UNSPECV_SP_SWITCH_B): New.
        (UNSPECV_SP_SWITCH_E): New.
        (sp_switch_1): Change to an unspec.
        (sp_switch_2): Change to an unspec.  Don't use post-inc when we
        replace $r15.
        * config/sh/sh.c (sh_expand_prologue): Use the constant pool to
        reference the new stack's address

2009-07-30  Sebastian Pop  <sebastian.pop@amd.com>

        * Makefile.in (OBJS-common): Added dependence on graphite-blocking.o,
        graphite-clast-to-gimple.o, graphite-dependences.o,
        graphite-interchange.o, graphite-poly.o, graphite-ppl.o,
        graphite-scop-detection.o, graphite-sese-to-poly.o, and sese.o.
        (graphite-blocking.o,
        graphite-clast-to-gimple.o, graphite-dependences.o,
        graphite-interchange.o, graphite-poly.o, graphite-ppl.o,
        graphite-scop-detection.o, graphite-sese-to-poly.o, and sese.o): New.
        * cfgloop.c (alloc_loop): Set loop->can_be_parallel to false.
        * cfgloop.h (struct loop): Add can_be_parallel field.
        * common.opt (fgraphite-identity): Moved up.
        (fgraphite-force-parallel): New flag.
        * graphite.c: Rewrite.
        * graphite.h: Rewrite.
        * passes.c (init_optimization_passes): Schedule a pass of DCE and LIM
        after Graphite.
        * toplev.c (graphite_out_file): New file descriptor.
        (graphite_in_file): New.
        (process_options): flag_graphite_force_parallel cannot be used without
        Graphite.
        * tree-ssa-loop.c: Include toplev.h.
        (gate_graphite_transforms): Enable flag_graphite for
        flag_graphite_force_parallel.

2009-07-30  Sebastian Pop  <sebastian.pop@amd.com>

        * ChangeLog.graphite: New.
        * graphite-blocking.c: New.
        * graphite-clast-to-gimple.c: New.
        * graphite-clast-to-gimple.h: New.
        * graphite-dependences.c: New.
        * graphite-dependences.h: New.
        * graphite-interchange.c: New.
        * graphite-poly.c: New.
        * graphite-poly.h: New.
        * graphite-ppl.c: New.
        * graphite-ppl.h: New.
        * graphite-scop-detection.c: New.
        * graphite-scop-detection.h: New.
        * graphite-sese-to-poly.c: New.
        * graphite-sese-to-poly.h: New.
        * sese.c: New.
        * sese.h: New.

2009-07-30  Sebastian Pop  <sebastian.pop@amd.com>

        * tree-chrec.c (evolution_function_right_is_integer_cst): New.
        * tree-chrec.h (evolution_function_right_is_integer_cst): Declared.

2009-07-30  Sebastian Pop  <sebastian.pop@amd.com>

        * tree-chrec.c (operator_is_linear): Handle BIT_NOT_EXPR.
        (scev_is_linear_expression): Return false if the evolution is not
        affine multivariate.

2009-07-30  Sebastian Pop  <sebastian.pop@amd.com>

        * tree-data-ref.c (graphite_find_data_references_in_stmt): New.
        * tree-data-ref.h (graphite_find_data_references_in_stmt): Declared.

2009-07-30  Sebastian Pop  <sebastian.pop@amd.com>

        * tree-data-ref.c (debug_data_references): New.
        (debug_data_reference): New.
        * tree-data-ref.h (debug_data_references): Declared.
        (debug_data_reference): Declared.

2009-07-30  Sebastian Pop  <sebastian.pop@amd.com>

        * tree-data-ref.c (stmt_simple_memref_p: Removed.
        * tree-data-ref.h (scop_p): Removed.
        (struct data_reference): Remove field scop.
        (DR_SCOP): Removed.
        (stmt_simple_memref_p): Removed.

2009-07-30  Sebastian Pop  <sebastian.pop@amd.com>

        * cfgloop.h (create_empty_loop_on_edge): Pass an extra argument.
        * cfgloopmanip.c (create_empty_loop_on_edge): Leave the loop_latch
        basic block empty.

2009-07-30  Sebastian Pop  <sebastian.pop@amd.com>

        * doc/invoke.texi (-fgraphite-force-parallel): Documented.

2009-07-30  Sebastian Pop  <sebastian.pop@amd.com>

        * doc/invoke.texi (-fgraphite-identity): Documented.

2009-07-30  Sebastian Pop  <sebastian.pop@amd.com>

        * tree-scalar-evolution.c: Fix comment.
        (instantiate_scev_1): Return unknow from scev instantiation if the
        result is not above instantiate_below.

2009-07-30  Sebastian Pop  <sebastian.pop@amd.com>

        * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop): Not
        static anymore.  Instantiate the symbols that may have been introduced
        by chrec_apply.
        * tree-scalar-evolution.h (compute_overall_effect_of_inner_loop):
        Declared.

2009-07-30  DJ Delorie  <dj@redhat.com>

        * config/mep/mep.c (mep_asm_init_sections): Add section flags and
        .vliw directive to VLIW sections.

2009-07-30  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

        * Makefile.in (AUTOCONF, ACLOCAL, ACLOCAL_AMFLAGS, aclocal_deps):
        New variables.
        ($(srcdir)/configure, $(srcdir)/aclocal.m4): New rules.
        (AUTOHEADER): New variable.
        ($(srcdir)/cstamp-h.in): Use it.

2009-07-30  Michael Meissner  <meissner@linux.vnet.ibm.com>
            Pat Haugen  <pthaugen@us.ibm.com>
            Revital Eres <ERES@il.ibm.com>

        * config/rs6000/vector.md (VEC_F): Add VSX support.
        (VEC_A): Ditto.
        (VEC_N): Ditto.
        (mov<mode>): Ditto.
        (vector_load_<mode>): Ditto.
        (vector_store_<mode>): Ditto.
        (vector GPR move split): Ditto.
        (vec_reload_and_plus_<mptrsize>): Ditto.
        (vec_reload_and_reg_<mptrsize>): Ditto.
        (add<mode>3): Ditto.
        (sub<mode>3): Ditto.
        (mul<mode>3): Ditto.
        (neg<mode>2): Ditto.
        (abs<mode>2): Ditto.
        (smin<mode>3): Ditto.
        (smax<mode>3): Ditto.
        (vector_eq<mode>): Ditto.
        (vector_gt<mode>): Ditto.
        (vector_ge<mode>): Ditto.
        (vector_gtu<mode>): Ditto.
        (vector_select_<mode>_uns): Ditto.
        (vector_eq_<mode>_p): Ditto.
        (vector_gt_<mode>_p): Ditto.
        (vector_ge_<mode>_p): Ditto.
        (vector_gtu_<mode>_p): Ditto.
        (cr6_test_for_zero): Ditto.
        (cr6_test_for_zero_reverse): Ditto.
        (cr6_test_for_lt): Ditto.
        (cr6_test_for_lt_reverse): Ditto.
        (xor<mode>3): Ditto.
        (ior<mode>3): Ditto.
        (and<mode>3): Ditto.
        (one_cmpl<mode>2): Ditto.
        (nor<mode>2): Ditto.
        (andc<mode>2): Ditto.
        (float<VEC_int<mode>2): Ditto.
        (unsigned_float<VEC_int><mode>2): Ditto.
        (fix_trunc<mode><VEC_int>2): Ditto.
        (fixuns_trunc<mode><VEC_int>2): Ditto.
        (vec_init<mode>):
        (vec_set<mode>): Ditto.
        (vec_extract<mode>): Ditto.
        (vec_interleave_highv4sf): Ditto.
        (vec_interleave_lowv4sf): Ditto.
        (vec_realign_load_<mode>): Ditto.
        (vec_shl_<mode>): Ditto.
        (vec_shr_<mode>): Ditto.
        (div<mode>3): New patterns for VSX.
        (vec_interleave_highv2df): Ditto.
        (vec_interleave_lowv2df): Ditto.
        (vec_pack_trunc_v2df): Ditto.
        (vec_pack_sfix_trunc_v2df): Ditto.
        (vec_pack_ufix_trunc_v2df): Ditto.
        (vec_unpacks_hi_v4sf): Ditto.
        (vec_unpacks_lo_v4sf): Ditto.
        (vec_unpacks_float_hi_v4si): Ditto.
        (vec_unpacks_float_lo_v4si): Ditto.
        (vec_unpacku_float_hi_v4si): Ditto.
        (vec_unpacku_float_lo_v4si): Ditto.
        (movmisalign<mode>): Ditto.
        (vector_ceil<mode>2): New patterns for vectorizing math library.
        (vector_floor<mode>2): Ditto.
        (vector_btrunc<mode>2): Ditto.
        (vector_copysign<mode>3): Ditto.

        * config/rs6000/predicates.md (easy_vector_constant_msb): New
        predicate for setting the high bit in each word, used for copysign.

        * config/rs6000/ppc-asm.h (f19): Whitespace.
        (f32-f63): Define if VSX.
        (v0-v31): Define if Altivec.
        (vs0-vs63): Define if VSX.

        * config/rs6000/t-rs6000 (MD_INCLUDES): Add power7.md and vsx.md.

        * config/rs6000/power7.md: New file, provide tuning parameters for
        -mcpu=power7.

        * config/rs6000/rs6000-c.c (rs6000_macro_to_expand): Add VSX support.
        (rs6000_cpu_cpp_builtins): Ditto.
        (altivec_overloaded_builtins): Ditto.
        (altivec_resolve_overloaded_builtin): Ditto.

        * config/rs6000/rs6000.opt (-mno-vectorize-builtins): Add new
        debug switch to disable vectorizing simple math builtin
        functions.

        * config/rs6000/rs6000.c (rs6000_builtin_vectorized_function):
        Vectorize simple math builtin functions.
        (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Define target
        hook to vectorize math builtins.
        (rs6000_override_options): Enable -mvsx on -mcpu=power7.
        (rs6000_builtin_conversion): Add VSX/power7 support.
        (rs6000_builtin_vec_perm): Ditto.
        (vsplits_constant): Add support for loading up a vector constant
        with just the high bit set in each part.
        (rs6000_expand_vector_init): Add VSX/power7 support.
        (rs6000_expand_vector_set): Ditto.
        (rs6000_expand_vector_extract): Ditto.
        (rs6000_emit_move): Ditto.
        (bdesc_3arg): Ditto.
        (bdesc_2arg): Ditto.
        (bdesc_1arg): Ditto.
        (rs6000_expand_ternop_builtin): Ditto.
        (altivec_expand_builtin): Ditto.
        (rs6000_expand_unop_builtin): Ditto.
        (rs6000_init_builtins): Ditto.
        (altivec_init_builtins): Ditto.
        (builtin_function_type): Ditto.
        (rs6000_common_init_builtins): Ditto.
        (rs6000_handle_altivec_attribute); Ditto.
        (rs6000_mangle_type): Ditto.
        (rs6000_vector_mode_supported_p): Ditto.
        (rs6000_mode_dependent_address): Altivec addresses with AND -16
        are mode dependent.

        * config/rs6000/vsx.md: New file for VSX support.

        * config/rs6000/rs6000.h (EASY_VECTOR_MSB): New macro for
        identifing values with just the most significant bit set.
        (enum rs6000_builtins): Add builtins for VSX.  Add simple math
        vectorized builtins.

        * config/rs6000/altivec.md (UNSPEC_VRFIP): Delete.
        (UNSPEC_VRFIM): Delete.
        (splitter for loading up vector with most significant bit): New
        splitter for vectorizing copysign.
        (altivec_vrfiz): Rename from altivec_fturncv4sf2.  Add support for
        vectorizing simple math functions.
        (altivec_vrfip): Add support for vectorizing simple math functions.
        (altivec_vrfim): Ditto.
        (altivec_copysign_v4sf3): New insn for Altivec copysign support.

        * config/rs6000/rs6000.md (UNSPEC_BPERM): New constant.
        (power7.md, vsx.md): Include for power7 support.
        (copysigndf3): Use VSX instructions if -mvsx.
        (negdf2_fpr): Ditto.
        (absdf2_fpr): Ditto.
        (nabsdf2_fpr): Ditto.
        (adddf3_fpr): Ditto.
        (subdf3_fpr): Ditto.
        (muldf3_fpr): Ditto.
        (divdf3_fpr): Ditto.
        (fix_truncdfdi2_fpr): Ditto.
        (cmpdf_internal1): Ditto.
        (fred, fred_fpr): Convert into expander/insn to add VSX support.
        (btruncdf2, btruncdf2_fpr): Ditto.
        (ceildf2, ceildf2_fpr): Ditto.
        (floordf2, floordf2_fpr): Ditto.
        (floatdidf2, floatdidf2_fpr): Ditto.
        (fmadddf4_fpr): Name insn.  Use VSX instructions if -mvsx.
        (fmsubdf4_fpr): Ditto.
        (fnmadddf4_fpr_1): Ditto.
        (fnmadddf4_fpr_2): Ditto.
        (fnmsubdf4_fpr_1): Ditto.
        (fnmsubdf4_fpr_2): Ditto.
        (fixuns_truncdfdi2): Add expander for VSX support.
        (fix_truncdfdi2): Ditto.
        (fix_truncdfsi2): Ditto.
        (ftruncdf2): Ditto.
        (btruncsf2): Whitespace.
        (movdf_hardfloat32): Add support for VSX registers.
        (movdf_softfloat32): Ditto.
        (movdf_hardfloat64): Ditto.
        (movdf_hardfloat64_mfpgpr): Ditto.
        (movdf_softfloat64): Ditto.
        (movti splitters): Add check for vector registers supporting
        TImode in the future.
        (bpermd): Add power7 bpermd instruction.

        * config/rs6000/altivec.h (vec_div): Define if VSX.
        (vec_mul): Ditto.
        (vec_msub): Ditto.
        (vec_nmadd): Ditto.
        (vec_nearbyint): Ditto.
        (vec_rint): Ditto.
        (vec_sqrt): Ditto.
        (all predicates): Use the generic builtin function, and not the V4SF
        specific function so that the predicates will work with VSX's V2DF.
        (vec_all_*): Ditto.
        (vec_any_*): Ditto.

        * doc/extend.texi (PowerPC Altivec/VSX Built-in Functions):
        Document new VSX functions and types.

        * doc/invoke.texi (PowerPc options): Document -mpopcntd, -mvsx
        switches.

        * doc/md.texi (PowerPC constraints): Document "wd", "wf", "ws",
        "wa", and "j" constraints.  Modify "v" to talk about Altivec
        instead of just vector.

2009-07-30  Andrew MacLeod  <amacleod@redhat.com>

        PR debug/26475
        * tree-into-ssa.c (insert_phi_nodes_for, rewrite_add_phi_arguments): Set
        location for phi arguments.
        (rewrite_update_phi_arguments): Find locations for reaching defs.
        * tree-ssa-threadupdate.c (create_edge_and_update_destination_phis):
        Add location to add_phi_arg calls.
        * tree-loop-districbution.c (update_phis_for_loop_copy): Add locations.
        * tree-ssa-loop-manip.c (create_iv, add_exit_phis_edge,
        split_loop_exit_edge, tree_transform_and_unroll_loop): Add locations.
        * tree-tailcall.c (add_successor_phi_arg, eliminate_tail_call,
        create_tailcall_accumulator, tree_optimize_tail_calls_1): Add locations.
        * tree.h (struct phi_arg_d): Add location_t to PHI arguments.
        * tree-phinodes.c (make_phi_node): Initialize location.
        (resize_phi_node): Initialize location to UNKNOWN_LOCATION.
        (add_phi_arg): Add location parameter.
        (remove_phi_arg_num): Move location when moving phi argument.
        * omp-low.c (expand_parallel_call, expand_omp_for_static_chunk): Set
        location.
        * tree-vect-loop-manip.c (slpeel_update_phis_for_duplicate_loop,
        slpeel_update_phi_nodes_for_guard1,
        slpeel_update_phi_nodes_for_guard2,
        slpeel_tree_duplicate_loop_to_edge_cfg, set_prologue_iterations,
        vect_loop_versioning): Set locations.
        * tree-parloops.c (create_phi_for_local_result,
        transform_to_exit_first_loop, create_parallel_loop): Add locations.
        * gimple-pretty-print.c (dump_gimple_phi): Dump lineno's if present.
        * tree-vect-loop.c (get_initial_def_for_induction,
        vect_create_epilog_for_reduction, vect_finalize_reduction): Add
        locations.
        * tree-flow-inline.h (gimple_phi_arg_location): New.  Return locus.
        (gimple_phi_arg_location_from_edge): New.  Return locus from an edge.
        (gimple_phi_arg_set_location): New.  Set locus.
        (gimple_phi_arg_has_location): New.  Check for locus.
        (redirect_edge_var_map_location): New.  Return locus from var_map.
        * tree-vect-data-refs.c (vect_setup_realignment): Set location.
        * tree-ssa-phiopt.c (conditional_replacement): Set locus when
        combining PHI arguments.
        (cond_store_replacement): Set location.
        * cfgexpand.c (gimple_assign_rhs_to_tree): Transfer locus if possible.
        * grpahite.c (add_loop_exit_phis, add_guard_exit_phis,
        scop_add_exit_phis_edge): Add locations.
        * tree-cfgcleanup.c (remove_forwarder_block,
        remove_forwarder_block_with_phi): Add locations.
        * tree-ssa-pre.c (insert_into_preds_of_block): Add locations.
        * tree-predcom.c (initialize_root_vars, initialize_root_vars_lm): Add
        locations.
        * tree-ssa-dce.c (forward_edge_to_pdom): Add locations.
        * tree-ssa.c (redirect_edge_var_map_add, ssa_redirect_edge,
        flush_pending_stmts): Add source location.
        * lambda-code.c (perfect_nestify): Maintain location stack with argument
        stack to preserve locations.
        * tree-vect-stmts.c (vectorizable_load): Add location.
        * tree-inline.c (copy_phis_for_bb): Copy locus.
        (setup_one_parameter): Add call locus to inlined parameter stmts.
        (initialize_inlined_parameters): Pass in call location as parameter
        assignment locus.
        (tree_function_versioning): Pass location to setup_one_parameter.
        * tree-ssa-phiprop.c (phiprop_insert_phi): Set locations.
        * tree-outof-ssa.c (struct _elim_graph): Add source_location vecs for
        copy and edge lists.
        (insert_partition_copy_on_edge, insert_value_copy_on_edge,
        insert_rtx_to_part_on_edge, insert_part_to_rtx_on_edge): Provide a
        locus parameter and override the stmt default if provided.
        (new_elim_graph, clear_elim_graph, delete_elim_graph,
        elim_graph_add_edge, elim_graph_remove_succ_edge,
        FOR_EACH_ELIM_GRAPH_SUCC, FOR_EACH_ELIM_GRAPH_PRED, eliminate_build,
        elim_forward, elim_unvisited_predecessor, elim_backward, elim_create,
        eliminate_phi):  Add locus info in elimination graph for each edge and
        value copy.
        (insert_backedge_copies): Copy locus if present.
        * tree-flow.h (struct _edge_var_map): Add locus field.
        * tree-switch_conversions.c (fix_phi_nodes): Add locations.
        * tree-cfg.c (reinstall_phi_args, gimple_make_forwarder_block,
        add_phi_args_after_copy_edge, gimple_lv_adjust_loop_header_phi): Add
        locations.
        * ipa-struct-reorg.c (make_edge_and_fix_phis_of_dest): Add locations.

2009-07-30  Martin Jambor  <mjambor@suse.cz>

        PR tree-optimization/40570
        * ipa-inline.c (cgraph_decide_inlining): Watch out for dead single
        use inlining loops.

2009-07-30  Razya Ladelsky <razya@il.ibm.com>

        * ssa-loop-manip.c: Include langhooks.h.
        (rewrite_phi_with_iv): New.
        (rewrite_all_phi_nodes_with_iv): New.
        (canonicalize_loop_ivs): Move here from tree-parloops.c.
        Remove reduction_list argument. Use rewrite_all_phi_nodes_with_iv.
        * tree-parloops.c (loop_parallel_p): Move out all conditions
        except dependency check.
        (canonicalize_loop_ivs): Move to tree-ssa-loop-manip.c.
        (gen_parallel_loop): Call canonicalize_loop_ivs without
        reduction_list argument.
        (build_new_reduction): New.
        (gather_scalar_reductions): New.
        (try_get_loop_niter): New.
        (try_create_reduction_list): New.
        (parallleize_loops): Change the parallel conditions check.
        * tree-flow.h (canonicalize_loop_ivs): Remove one argument.
        * Makefile.in (tree-ssa-loop-manip.o): Add langhooks.h dependency.

2009-07-30  Dave Korn  <dave.korn.cygwin@gmail.com>

        * opt-functions.awk (opt_args): Allow argument to be enclosed in
        curly braces.
        * doc/options.texi (Option properties):  Mention new quoting syntax.

2009-07-29  Douglas B Rupp  <rupp@gnat.com>

        * config/alpha/alpha.c (alpha_start_function):
        Handle VMS_DEBUG_MAIN_POINTER
        * config/alpha/vms.h (VMS_DEBUG_MAIN_POINTER): Define new macro.
        * doc/invoke.texi: Document -mdebug-main switch.

2009-07-29  Richard Henderson  <rth@redhat.com>

        * cgraph.c (cgraph_set_call_stmt_including_clones): Tidy.
        (cgraph_create_edge_including_clones): Likewise.
        * tree-inline.c (copy_bb): Operate on the correct edges
        when updating the callgraph.

2009-07-29  Douglas B Rupp  <rupp@gnat.com>

        * config/alpha/vms-cc.c: Deleted.
        * config/alpha/vms-ld.c: Deleted.
        * config/alpha/t-vms64: Moved to config/vms
        * config/alpha/vms-crt0-64.c: Moved to config/vms
        * config/alpha/vms-crt0.c: Moved to config/vms
        * config/alpha/vms-psxcrt0-64.c: Moved to config/vms
        * config/alpha/vms-psxcrt0.c: Moved to config/vms
        * config/alpha/xm-vms.h: Moved to config/vms
        * config/alpha/x-vms: Moved to config/vms
        * config/alpha/t-vms (vcrt0.o, pcrt0.o): Move rules to new file
        config/vms/t-vms.
        * config/vms/t-vms: Moved here from config/alpha. Alpha specific
        parts removed. (STMP_FIXPROTO, STMP_FIXINC, LIMITS_H_TEST): Set.
        (version): Set.
        * config/vms/t-vms64: Moved here from config/alpha
        * config/vms/vms-crt0-64.c: Moved here from config/alpha.
        (argc,argv,envp): Enforce 32bit malloc'ing.
        * config/vms/vms-psxcrt0-64.c: Likewise.
        * config/vms/vms-crt0.c: Moved here from config/alpha.
        * config/vms/vms-psxcrt0.c: Likewise.
        * config/vms/vms-crtl-64.h: New file.
        * config/vms/vms-crtl.h: New file.
        * config/vms/vms.opt: New file.
        * config/vms/xm-vms64.h: New file.
        * config/vms/xm-vms.h: Moved here from config/alpha.
        (STANARD_EXEC_PREFIX, STANDARD_STARTFILE_PREFIX, STANDARD_INCLUDE_DIR):
        Set.
        * config/vms/x-vms: Moved here from config/alpha.
        (version, VMS_EXTRA_PARTS): Moved to t-vms.
        (vms-ld.o, vms-cc.o): Removed.
        (LN, LN_S, USE_COLLECT2, POD2MAN): Set.

2009-07-29  Douglas B Rupp  <rupp@gnat.com>

        * dwarf2out.c (add_name_and_src_coords_attributes): Push on the
        correct stack (obvious VMS fix).

2009-07-29  Douglas B Rupp  <rupp@gnat.com>

        * dwarf2out.c (output_file_names): Output VMS style file name, size,
        date, version info if VMS_DEBUGGING_INFO defined.
        * vmsdgbout.c (vms_file_stats_name): New functon. VMS style file name,
        size, date calculating code moved here.

2009-07-29  Paul Brook  <paul@codesourcery.com>

        * config/arm/lib1funcs.asm (clear_cache): Use ARM_FUNC_START and
        do_push/do_pop.

2009-07-29  Uros Bizjak  <ubizjak@gmail.com>

        PR target/40577
        * config/alpha/alpha.c (alpha_expand_unaligned_store): Convert src
        to DImode when generating insq_le insn.

2009-07-28  Douglas B Rupp  <rupp@gnat.com>

        * dwarf2out.c (DWARF2_INDIRECT_STRING_SUPPORT_MISSING_ON_TARGET):
        New macro set for VMS_DEBUGGGING_INFO.
        (AT_string_form): Use it.

2009-07-28  DJ Delorie  <dj@redhat.com>

        * config/mep/mep.c (vtext_section): New.
        (vftext_section): New.
        (ftext_section): New.
        (mep_select_section): Add support for functions.
        (mep_unique_section): Likewise.
        (mep_asm_init_sections): Likewise.
        (mep_encode_section_info): Remove it from here.

        * config/mep/mep.h (USE_SELECT_SECTION_FOR_FUNCTIONS): Define.

2009-07-28  Paolo Bonzini  <bonzinI@gnu.org>

        * tree.h (TREE_DEPRECATED): Document it is used for types too.
        (TYPE_VECTOR_OPAQUE): Use default_def_flag

2009-07-28  Douglas B Rupp  <rupp@gnat.com>

        * dwarf2out.c (output_file_names): Test new macro
        DWARF2_DIR_SHOULD_END_WITH_SEPARATOR.
        (add_comp_dir_attribute): Likewise.

2009-07-28  Kai Tietz  <kai.tietz@onevision.com>

        * config/i386/mingw-w64.h (LINK_SPEC): Add
        separating space between commands.

2009-07-28  Jan Hubicka  <jh@suse.cz>

        PR tree-optimization/40759
        * tree-ssa-dce.c (mark_virtual_phi_result_for_renaming): Mark all uses
        for renaming.

2009-07-27  DJ Delorie  <dj@redhat.com>

        * config/mep/mep.c (mep_expand_builtin_saveregs): Make sure 64-bit
        types are dword-aligned.
        (mep_expand_va_start): Likewise.

2009-07-27  Olivier Hainque  <hainque@adacore.com>
            Douglas B Rupp  <rupp@gnat.com>

        * convert.c (convert_to_pointer): Don't assume the target
        pointer type is POINTER_SIZE long. Fetch its precision instead.

2009-07-27  Douglas B Rupp  <rupp@gnat.com>

        * system.h (fopen): Undefine if macro.

2009-07-27  Jakub Jelinek  <jakub@redhat.com>

        * dwarf2out.c (output_cfi_p): Removed.
        (output_cfis): New function.
        (output_fde): New function, split from output_call_frame_info.
        (output_call_frame_info): Use it.
        (dwarf2out_switch_text_section): Use output_cfis.

2009-07-24  Kai Tietz  <kai.tietz@onevision.com>

        * config/i386/cygming.h (DWARF2_UNWIND_INFO): Error build when
        TARGET_BI_ARCH is specified without enabling SJLJ.
        * config/i386/mingw32.h (MD_UNWIND_SUPPORT): Define MD_UNWIND_SUPPORT,
        if TARGET_64BIT and TARGET_BI_ARCH aren't defined.

2009-07-26  Mikael Pettersson <mikpe@it.uu.se>

        * arm.md (negdi2): Use DImode if forcing a value into a register.

2009-07-26  Ira Rosen  <irar@il.ibm.com>

        PR tree-optimization/40801
        * tree-vect-stmts.c (vectorizable_call): Get previous copy
        of vector operand from the previous copy of vector statement.
        Pass the correct definition type value to
        vect_get_vec_def_for_stmt_copy().

2009-07-25  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        * collect2.c (scan_libraries): Use CONST_CAST2 to perform char ** to
        const char ** conversion.

2009-07-25 David Daney <ddaney@caviumnetworks.com>

        * system.h (gcc_assert): Invoke __builtin_unreachable() instead of
        fancy_abort() if !ENABLE_ASSERT_CHECKING.
        (gcc_unreachable): Invoke __builtin_unreachable() if
        !ENABLE_ASSERT_CHECKING.

2009-07-25  David Daney  <ddaney@caviumnetworks.com>

        PR rtl-optimization/40445
        * emit-rtl.c (next_nonnote_insn_bb): New function.
        * rtl.h (next_nonnote_insn_bb): Declare new function.
        * cfgcleanup.c (try_optimize_cfg): Don't remove an empty block
        with no successors that is the successor of the ENTRY_BLOCK.
        Continue from the top after removing an empty fallthrough block.
        * cfgrtl.c (get_last_bb_insn): Call next_nonnote_insn_bb instead
        of next_nonnote_insn.

2009-07-25  David Daney  <ddaney@caviumnetworks.com>

        * cfgcleanup.c (old_insns_match_p): Handle the case of empty blocks.

2009-07-25  Martin Jambor  <mjambor@suse.cz>

        * c-common.c (c_common_attribute_table): New element for noclone.
        (handle_noclone_attribute): New function. Forward-declare.
        * tree-inline.c (tree_versionable_function_p): Check for noclone
        attribute.
        * doc/extend.texi (Labels as Values): Document need for noclone.
        (Function Attributes): Document noclone attribute.

2009-07-25  Jakub Jelinek  <jakub@redhat.com>

        PR rtl-optimization/34999
        * dwarf2out.c (struct dw_fde_struct): Add dw_fde_switch_cfi
        and dw_fde_switched_cold_to_hot fields.
        (output_cfi_p): New function.
        (output_call_frame_info): If fde->dw_fde_switched_sections,
        output 2 FDEs instead of one with corrupted header.
        (dwarf2out_do_cfi_startproc): New function.
        (dwarf2out_begin_prologue): Use it.  Initialize fde->dw_fde_switch_cfi
        and fde->dw_fde_switched_cold_to_hot.
        (dwarf2out_switch_text_section): Compute
        fde->dw_fde_switched_cold_to_hot.  Switch to new text section here.
        If dwarf2out_do_cfi_asm, emit .cfi_endproc before it and call
        dwarf2out_do_cfi_startproc plus emit again currently active CFI insns.
        Otherwise, compute fde->dw_fde_switch_cfi.

2009-07-24  Cary Coutant  <ccoutant@google.com>

        * tree-cfg.c (assign_discriminator): Add explicit parentheses.

2009-07-24  Cary Coutant  <ccoutant@google.com>

        * cfghooks.c (split_block): Copy discriminator to new block.
        * tree-cfg.c (assign_discriminator): Check location of last
        instruction in block as well as first.

2009-07-24  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/linux.c: Use fputs or putc instead of fprintf
        where appropriate.
        * config/i386/gas.h: Ditto.
        * config/i386/x86-64.h: Ditto.
        * config/i386/att.h: Ditto.

2009-07-24  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

        * expmed.c (emit_store_flag): Use a recursive call to optimize the
        xor case.

2009-07-24  Martin Jambor  <mjambor@suse.cz>

        * ipa-prop.h (struct ipa_node_params): New flag node_enqued.
        (ipa_push_func_to_list_1): Declare.
        (ipa_push_func_to_list): New function.

        * ipa-prop.c (ipa_push_func_to_list_1): New function.
        (ipa_init_func_list): Call ipa_push_func_to_list_1.
        (ipa_push_func_to_list): Removed.
        (ipa_pop_func_from_list): Clear node_enqueued flag.

2009-07-24  Andreas Krebbel  <krebbel1@de.ibm.com>

        * config/s390/s390.c (override_options): Default
        max-unrolled-insns to 100 for z10 tuning.

2009-07-24  Tobias Grosser  <grosser@fim.uni-passau.de>

        * Makefile.in (TREE_DATA_REF_H, tree-vrp.o, tree-cfg.o, tree-if-conv.o
        tree-ssa-loop.o, tree-ssa-loop-niter.o, tree-ssa-loop-ivcanon.o,
        tree-ssa-loop-prefetch.o, tree-predcom.o, tree-affine.o,
        tree-scalar-evolution.o, tree-data-ref.o, tree-vect-loop.o,
        tree-vect-data-refs.o, tree-loop-linear.o, tree-loop-distribution.o
        tree-parloops.o, tree-pretty-printer.o, fold-const.o, tree-ssa-dce.o,
        lambda-code.o, params.o): Cleanup use of SCEV_H and TREE_DATA_REF_H.

2009-07-24  Kai Tietz  <kai.tietz@onevision.com>

        * config/i386/mingw-w64.h (STANDARD_INCLUDE_DIR): Remove and
        use default set in mingw32.h header.
        * config/i386/mingw32.h (STANDARD_INCLUDE_DIR): Use for 32-bit and
        64-bit /mingw/include path.
        (STANDARD_STARTFILE_PREFIX_1): Use for 32-bit and 64-bit /mingw/lib
        path.

2009-07-23  Neil Vachharajani  <nvachhar@google.com>

        PR rtl-optimization/40209
        * loop-iv.c (iv_analysis_loop_init): Call df_note_add_problem.

2009-07-23  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.c: Use ASM_LONG instead of .long.  Concatenate
        ASM_LONG, LPREFIX, MCOUNT_NAME and PROFILE_COUNT_REGISTER strings
        with the rest of string where appropriate.  Use fputs or putc
        instead of fprintf where appropriate.

2009-07-22  Michael Meissner  <meissner@linux.vnet.ibm.com>
            Pat Haugen  <pthaugen@us.ibm.com>
            Revital Eres <ERES@il.ibm.com>

        * config/rs6000/vector.md: New file.  Move most of the vector
        expander support here from altivec.md to allow for the VSX vector
        unit in the future.  Add support for secondary_reload patterns.
        Rewrite the patterns for vector comparison, and vector comparison
        predicate instructions so that the RTL expresses the desired
        behavior, instead of using unspec.

        * config/rs6000/constraints.md ("f" constraint): Use
        rs6000_constraints to hold the precalculated register class.
        ("d" constraint): Ditto.
        ("wd" constraint): New constraint for VSX.
        ("wf" constraint): Ditto.
        ("ws" constraint): Ditto.
        ("wa" constraint): Ditto.
        ("wZ" constraint): Ditto.
        ("j" constraint): Ditto.

        * config/rs6000/predicates.md (vsx_register_operand): New
        predicate for VSX.
        (vfloat_operand): New predicate for vector.md.
        (vint_operand): Ditto.
        (vlogical_operand): Ditto.
        (easy_fp_constant): If VSX, 0.0 is an easy constant.
        (easy_vector_constant): Add VSX support.
        (altivec_indexed_or_indirect_operand): New predicate for
        recognizing Altivec style memory references with AND -16.

        * config/rs6000/rs6000.c (rs6000_vector_reload): New static global
        for vector secondary reload support.
        (rs6000_vector_reg_class): Delete, replacing it with
        rs6000_constraints.
        (rs6000_vsx_reg_class): Ditto.
        (rs6000_constraints): New array to hold the register classes of
        each of the register constraints that can vary at runtime.
        (builtin_mode_to_type): New static array for builtin function type
        creation.
        (builtin_hash_table): New static hash table for builtin function
        type creation.
        (TARGET_SECONDARY_RELOAD): Define target hook.
        (TARGET_IRA_COVER_CLASSES): Ditto.
        (rs6000_hard_regno_nregs_internal): If -mvsx, floating point
        registers are 128 bits if VSX memory reference instructions are used.
        (rs6000_hard_regno_mode_ok): For VSX, only check if the VSX memory
        unit is being used.
        (rs6000_debug_vector_unit): Move into rs6000_debug_reg_global.
        (rs6000_debug_reg_global): Move -mdebug=reg statements here.
        Print several of the scheduling related parameters.
        (rs6000_init_hard_regno_mode_ok): Switch to putting constraints in
        rs6000_constraints instead of rs6000_vector_reg_class.  Move
        -mdebug=reg code to rs6000_debug_reg_global.  Add support for
        -mvsx-align-128 debug switch.  Drop testing float_p if VSX or
        Altivec.  Add VSX support.  Setup for secondary reload support on
        Altivec/VSX registers.
        (rs6000_override_options): Make power7 set the scheduling groups
        like the power5.  Add support for new debug switches to override
        the scheduling defaults.  Temporarily disable -mcpu=power7 from
        setting -mvsx.  Add support for debug switches -malways-hint,
        -msched-groups, and -malign-branch-targets.
        (rs6000_buitlin_conversion): Add support for returning unsigned
        vector conversion functions to fix regressions due to stricter
        type checking.
        (rs6000_builtin_mul_widen_even): Ditto.
        (rs6000_builtin_mul_widen_odd): Ditto.
        (rs6000_builtin_vec_perm): Ditto.
        (rs6000_vec_const_move): On VSX, use xxlxor to clear register.
        (rs6000_expand_vector_init): Initial VSX support for using xxlxor
        to zero a register.
        (rs6000_emit_move): Fixup invalid const symbol_ref+reg that is
        generated upstream.
        (bdesc_3arg): Add builtins for unsigned types.  Add builtins for
        VSX types for bit operations.  Changes to accomidate vector.md.
        (bdesc_2arg): Ditto.
        (bdesc_1arg): Ditto.
        (struct builtin_description_predicates): Rewrite predicate
        handling so that RTL describes the operation, instead of passing
        the instruction to be used as a string argument.
        (bdesc_altivec_preds): Ditto.
        (altivec_expand_predicate_builtin): Ditto.
        (altivec_expand_builtin): Ditto.
        (rs6000_expand_ternop_builtin): Use a switch instead of an if
        statement for vsldoi support.
        (altivec_expand_ld_builtin): Change to use new names from vector.md.
        (altivec_expand_st_builtin): Ditto.
        (paired_expand_builtin): Whitespace changes.
        (rs6000_init_builtins): Add V2DF/V2DI types.  Initialize the
        builtin_mode_to_type table for secondary reload.  Call
        builtin_function_type to build random builtin functions.
        (altivec_init_builtins): Change to use builtin_function_type to
        create builtin function types dynamically as we need them.
        (builtin_hash_function): New support for hashing the tree types
        for builtin function as we need it, rather than trying to build
        all of the trees that we need.  Add initial preliminary VSX support.
        (builtin_function_type): Ditto.
        (builtin_function_eq): Ditto.
        (builtin_hash_struct): Ditto.
        (rs6000_init_builtins): Ditto.
        (rs6000_common_init_builtins): Ditto.
        (altivec_init_builtins): Ditto.
        (rs6000_common_init_builtins): Ditto.
        (enum reload_reg_type): New enum for simplifing reg classes.
        (rs6000_reload_register_type): Simplify register classes into GPR,
        Vector, and other registers.  Altivec and VSX addresses in reload.
        (rs6000_secondary_reload_inner): Ditto.
        (rs6000_ira_cover_classes): New target hook, that returns the
        appropriate cover classes, based on -mvsx being used or not.
        (rs6000_secondary_reload_class): Add VSX support.
        (get_vec_cmp_insn): Delete, rewrite vector conditionals.
        (get_vsel_insn): Ditto.
        (rs6000_emit_vector_compare): Rewrite vector conditional support
        so that where we can, we use RTL operators, instead of blindly use
        UNSPEC.
        (rs6000_emit_vector_select): Ditto.
        (rs6000_emit_vector_cond_expr): Ditto.
        (rs6000_emit_minmax): Directly generate min/max under altivec, vsx.
        (create_TOC_reference): Add -mdebug=addr support.
        (emit_frame_save): VSX loads/stores need register indexed addressing.

        * config/rs6000/rs6000.md: Include vector.md.

        * config/rs6000/t-rs6000 (MD_INCLUDES): Add vector.md.

        * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
        support for V2DI, V2DF in logical, permute, select operations.

        * config/rs6000/rs6000.opt (-mvsx-scalar-double): Add new debug
        switch for vsx/power7.
        (-mvsx-scalar-memory): Ditto.
        (-mvsx-align-128): Ditto.
        (-mallow-movmisalign): Ditto.
        (-mallow-df-permute): Ditto.
        (-msched-groups): Ditto.
        (-malways-hint): Ditto.
        (-malign-branch-targets): Ditto.

        * config/rs6000/rs6000.h (IRA_COVER_CLASSES): Delete, use target
        hook instead.
        (IRA_COVER_CLASSES_PRE_VSX): Cover classes if not -mvsx.
        (IRA_COVER_CLASSES_VSX): Cover classes if -mvsx.
        (rs6000_vector_reg_class): Delete.
        (rs6000_vsx_reg_class): Ditto.
        (enum rs6000_reg_class_enum): New enum for the constraints that
        vary based on target switches.
        (rs6000_constraints): New array to hold the register class for all
        of the register constraints that vary based on the switches used.
        (ALTIVEC_BUILTIN_*_UNS): Add unsigned builtin functions.
        (enum rs6000_builtins): Add unsigned varients for the builtin
        declarations returned by target hooks for expanding multiplies,
        select, and permute operations.  Add VSX builtins.
        (enum rs6000_builtin_type_index): Add entries for VSX.
        (V2DI_type_node): Ditto.
        (V2DF_type_node): Ditto.
        (unsigned_V2DI_type_node): Ditto.
        (bool_long_type_node): Ditto.
        (intDI_type_internal_node): Ditto.
        (uintDI_type_internal_node): Ditto.
        (double_type_internal_node): Ditto.

        * config/rs6000/altivec.md (whole file): Move all expanders to
        vector.md from altivec.md.  Rename insn matching functions to be
        altivec_foo.
        (UNSPEC_VCMP*): Delete, rewrite vector comparisons.
        (altivec_vcmp*): Ditto.
        (UNSPEC_VPERM_UNS): New, add for unsigned types using vperm.
        (VM): New iterator for moves that includes the VSX types.
        (altivec_vperm_<mode>): Add VSX types.  Add unsigned types.
        (altivec_vperm_<mode>_uns): New, for unsigned types.
        (altivec_vsel_*): Rewrite vector comparisons and predicate builtins.
        (altivec_eq<mode>): Ditto.
        (altivec_gt<mode>): Ditto.
        (altivec_gtu<mode>): Ditto.
        (altivec_eqv4sf): Ditto.
        (altivec_gev4sf): Ditto.
        (altivec_gtv4sf): Ditto.
        (altivec_vcmpbfp_p): Ditto.

2009-07-23  Richard Earnshaw  <rearnsha@arm.com>

        * arm.md (split for ior/xor with shift and zero-extend): Cast op3 to
        unsigned HWI.

2009-07-23  Uros Bizjak  <ubizjak@gmail.com>

        PR target/40832
        * config/i386/i386.c (output_387_ffreep): Rewrite to use
        ASM_SHORT instead of .word.
        * config/i386/i386.md (*tls_global_dynamic_64): Use ASM_SHORT
        instead of .word in asm template.

2009-07-22  Vladimir Makarov  <vmakarov@redhat.com>

        PR target/37488
        * ira-lives.c (bb_has_abnormal_call_pred): New function.
        (process_bb_node_lives): Use it.

        * ira.c (setup_cover_and_important_classes): Don't setup
        ira_important_class_nums.  Add cover classes to the end of
        important classes.
        (cover_class_order, comp_reg_classes_func, reorder_important_classes):
        New.
        (find_reg_class_closure): Use reorder_important_classes.

        * config/i386/i386.h (IRA_COVER_CLASSES): Remove.

        * config/i386/i386.c (i386_ira_cover_classes): New function.
        (TARGET_IRA_COVER_CLASSES): Redefine.

        * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Add a comment about
        importance of order of cover classes in the array.

2009-07-22  Diego Novillo  <dnovillo@google.com>

        * tree-pass.h (TDF_EH): Define.
        * gimple-pretty-print.c (dump_gimple_stmt): If FLAGS
        contains TDF_EH, print the EH region number holding GS.
        * tree-dump.c (dump_options): Add "eh".
        * doc/invoke.texi: Document it.

2009-07-22  Doug Kwan  <dougkwan@google.com>

        * config/arm/arm.md (subdi3) Copy non-reg values to DImode registers.

2009-07-22  Michael Matz  <matz@suse.de>

        PR tree-optimization/35229
        PR tree-optimization/39300

        * tree-ssa-pre.c (includes): Include tree-scalar-evolution.h.
        (inhibit_phi_insertion): New function.
        (insert_into_preds_of_block): Call it for REFERENCEs.
        (init_pre): Initialize and finalize scalar evolutions.
        * Makefile.in (tree-ssa-pre.o): Depend on tree-scalar-evolution.h .

2009-07-22  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/predicates.md (zero_extended_scalar_load_operand):
        Use CONST_VECTOR_NUNITS to determine number of elements.

2009-07-22  Andreas Krebbel  <krebbel1@de.ibm.com>

        * config/s390/constraints.md (ZQ, ZR, ZS, ZT): New constraints.
        (U, W): Constraints are now deprecated and will be removed if we
        run out of letters.
        * config/s390/s390.md (U, W): Replaced with ZQZR, ZSZT throughout
        the file.
        ("prefetch"): Add the stcmh instruction for prefetching.
        * config/s390/s390.c (s390_symref_operand_p): Function moved. No
        changes.
        (s390_short_displacement): Return always true if compiling for
        machines not providing the long displacement facility.
        (s390_mem_constraint): Support the new constraint letter Z.
        (s390_check_qrst_address): New function.

2009-07-21  DJ Delorie  <dj@redhat.com>

        * config/mep/mep.c (mep_legitimize_arg): Leave control registers
        alone too.

2009-07-21  Jason Merrill  <jason@redhat.com>

        * c-common.c (max_tinst_depth): Increase default to 1024.

2009-07-21  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/sse.md (vec_unpacku_float_hi_v4si): New expander.
        (vec_unpacku_float_lo_v4si): Ditto.

2009-07-21  Uros Bizjak  <ubizjak@gmail.com>

        PR target/40811
        * config/i386/sse.md (sse2_cvtudq2ps): New expander.
        (enum ix86_builtins): Add IX86_BUILTIN_CVTUDQ2PS.
        (builtin_description): Add __builtin_ia32_cvtudq2ps.
        (ix86_vectorize_builtin_conversion): Handle IX86_BUILTIN_CVTUDQ2PS.

2009-07-21  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/40813
        * tree-inline.c (copy_bb): Regimplify RHS after last stmt, not before
        it.

2009-07-21  Kaz Kojima  <kkojima@gcc.gnu.org>

        * config/sh/sh.c (sh_gimplify_va_arg_expr): Wrap the result
        with a NOP_EXPR if needed.

2009-07-21  Paul Brook <paul@codesourcery.com>

        * tree-vectorizer.c (increase_alignment): Handle nested arrays.
        Terminate debug dump with newline.

2009-07-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        * pa.c (compute_zdepwi_operands): Limit deposit length to 32 - lsb.
        Cast "1" to unsigned HOST_WIDE_INT.
        (compute_zdepdi_operands): Limit maximum length to 64 bits.  Limit
        deposit length to the maximum length - lsb.  Extend length if
        HOST_BITS_PER_WIDE_INT is 32.

2009-07-20  Olatunji Ruwase <tjruwase@google.com>

        * cgraph.h (constant_pool_htab): New function.
        (constant_descriptor_tree): Move from varasm.c.
        * varasm.c (constant_pool_htab): New function.
        (constant_descriptor_tree): Move to cgraph.h.

2009-07-20  Olatunji Ruwase  <tjruwase@google.com>

        * toplev.c: Invoke FINISH_UNIT callbacks before call to finalize().

2009-07-20  Shujing Zhao  <pearly.zhao@oracle.com>

        * Makefile.in (TREE_INLINE_H, tree-inline.o, cgraph.o): Remove
        $(VARRAY_H).

2009-07-20  Xinliang David Li  <davidxl@google.com>

        * dbgcnt.c (dbg_cnt_set_limit_by_name): Add length check.

2009-07-20  Adam Nemet  <anemet@caviumnetworks.com>

        * config/mips/mips.md (move_type): Add arith.
        (type): Handle arith.
        (zero_extendsidi2): Rename this into ...
        (*zero_extendsidi2): ... this.  Don't match if ISA_HAS_EXT_INS.
        (zero_extendsidi2): New expander.
        (*zero_extendsidi2_dext): New pattern.

2009-07-20  Nick Clifton  <nickc@redhat.com>

        * config.gcc (mips64-*-*): Add definition of tm_defines in order
        to set MIPS_ABI_DEFAULT.
        * config/mips/vr.h (MIPS_ABI_DEFAULT): Remove definition.

2009-07-20  Jakub Jelinek  <jakub@redhat.com>

        * tree-object-size.c (addr_object_size): Handle unions with
        array in it as last field of structs in __bos (, 1) as __bos (, 0).

        PR tree-optimization/40792
        * tree.c (build_function_type_skip_args): Remove bogus assert.

2009-07-20  Jan Hubicka  <jh@suse.cz>
            Martin Jambor  <mjambor@suse.cz>

        * cgraph.h (combined_args_to_skip): New field.
        * cgraph.c (cgraph_create_virtual_clone): Properly handle
        combined_args_to_skip and args_to_skip.
        * tree-inline.c (update_clone_info): New function.
        (tree_function_versioning): Call update_clone_info.
        * cgraphunit.c: (cgraph_materialize_clone): Dump materialized
        functions.
        (cgraph_materialize_all_clones): More extensive dumping, working
        with combined_args_to_skip rather than args_to_skip.

2009-07-20  Ira Rosen  <irar@il.ibm.com>

        * tree-vectorizer.h (vectorizable_condition): Add parameters.
        * tree-vect-loop.c (vect_is_simple_reduction): Support COND_EXPR.
        (get_initial_def_for_reduction): Likewise.
        (vectorizable_reduction): Skip the check of first operand in case
        of COND_EXPR. Add check that it is outer loop vectorization if
        nested cycle was detected. Call vectorizable_condition() for
        COND_EXPR. If reduction epilogue cannot be created do not fail for
        nested cycles (if it is not double reduction). Assert that there
        is only one type in the loop in case of COND_EXPR. Call
        vectorizable_condition() to vectorize COND_EXPR.
        * tree-vect-stmts.c (vectorizable_condition): Update comment.
        Add parameters. Allow nested cycles if called from
        vectorizable_reduction(). Use reduction vector variable if provided.
        (vect_analyze_stmt): Call vectorizable_reduction() before
        vectorizable_condition().
        (vect_transform_stmt): Update call to vectorizable_condition().

2009-07-20  Christian Bruel  <christian.bruel@st.com>

        * config/sh/sh.opt (-mfmovd): Resurrect and document.
        * doc/invoke.texi (-mfmovd): Likewise.
        * config/sh/sh.h (TARGET_FMOVD, MASK_FMOVD): Remove default setting.

2009-07-20  Jan Hubicka  <jh@suse.cz>

        * tree-ssa-dce.c (remove_dead_phis): Only look for abnormal PHIs
        when handling SSA name.

2009-07-19  Jan Hubicka  <jh@suse.cz>

        PR tree-optimization/40676
        * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do renaming on all
        virtual PHIs in empty BBs.

2009-07-18  Adam Nemet  <anemet@caviumnetworks.com>

        * combine.c (make_compound_operation) <SUBREG>: If force_to_mode
        re-expanded the compound use gen_lowpart instead to convert to the
        desired mode.

2009-07-18  Adam Nemet  <anemet@caviumnetworks.com>

        * combine.c (try_widen_shift_mode): Add COUNT, OUTER_CODE and
        OUTER_CONST arguments.
        <LSHIFTRT>: Use them to allow widening if the bits shifted in from
        the new wider mode will be masked off.
        (simplify_shift_const_1): Adjust calls to try_widen_shift_mode.

2009-07-18  Adam Nemet  <anemet@caviumnetworks.com>

        * combine.c (try_widen_shift_mode) <LSHIFTRT>: Allow widening if the
        high-order bits are zero.

2009-07-18  Adam Nemet  <anemet@caviumnetworks.com>

        * combine.c (simplify_shift_const_1): Split code to determine
        shift_mode into ...
        (try_widen_shift_mode): ... here.  Allow widening for ASHIFTRT if the
        new bits shifted in are identical to the old sign bit.

2009-07-18  Richard Guenther  <rguenther@suse.de>

        PR c/40787
        * gimplify.c (gimplify_call_expr): Reject code using results from
        functions returning void.

2009-07-18  Richard Sandiford  <r.sandiford@uk.ibm.com>

        * doc/md.texi: Document the new PowerPC "es" constraint.
        Document that "m" can include automodified addresses on this target,
        and explain how %U must be used.  Extend the "Q" and "Z" documentation
        to suggest "es" as well as "m".
        * config/rs6000/constraints.md (es): New memory constraint.
        (Q, Z): Update strings to match new documentation.

2009-07-18  Richard Sandiford  <r.sandiford@uk.ibm.com>

        * config/rs6000/rs6000.c (rs6000_mode_dependent_address): Allow any
        offset from virtual_stack_vars_rtx and arg_pointer_rtx.
        * config/rs6000/predicates.md (volatile_mem_operand): Use
        offsettable_nonstrict_memref_p.
        * config/rs6000/rs6000.md (*floatsidf2_internal): Remove split check.
        (*floatunssidf2_internal): Likewise.
        (*fix_truncdfsi2_internal): Likewise.
        (*fix_trunctfsi2_internal): Likewise.

2009-07-17  Anatoly Sokolov  <aesok@post.ru>

        * config/avr/avr-devices.c (avr_mcu_t): Add atmega8u2, atmega16u2 and
        atmega32u2 devices.
        * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).

2009-07-17  Richard Guenther  <rguenther@suse.de>

        PR c/40401
        * tree-pass.h (pass_diagnose_omp_blocks): Declare.
        (pass_warn_unused_result): Likewise.
        (TODO_set_props): Remove.
        * omp-low.c (diagnose_omp_structured_block_errors): Change to
        run as a pass.
        (pass_diagnose_omp_blocks): Define.
        * c-decl.c (pop_file_scope): Do not finalize the CU here.
        (c_gimple_diagnostics_recursively): Remove.
        (finish_function): Do not call it.
        (c_write_global_declarations): Continue after errors.
        Finalize the CU here.
        * c-gimplify.c (c_genericize): Do not gimplify here.
        * c-common.c (c_warn_unused_result): Move ...
        * tree-cfg.c (do_warn_unused_result): ... here.
        (run_warn_unused_result): New function.
        (gate_warn_unused_result): New function.
        (pass_warn_unused_result): New pass.
        * c-common.h (c_warn_unused_result): Remove.
        * flags.h (flag_warn_unused_result): Declare.
        * c-opts.c (c_common_init_options): Enable flag_warn_unused_result.
        * opts.c (flag_warn_unused_result): Initialize to false.
        * toplev.c (compile_file): Add comment.
        * omp-low.c (create_omp_child_function): Do not register
        the function with the frontend.
        (diagnose_omp_structured_block_errors): Prepare to be
        called as optimization pass.
        (gate_diagnose_omp_blocks): New function.
        (pass_diagnose_omp_blocks): New pass.
        * cgraph.h (cgraph_optimize): Remove.
        (cgraph_analyze_function): Likewise.
        * cgraph.c (cgraph_add_new_function): Gimplify C++ thunks.
        * cgraphunit.c (cgraph_lower_function): Lower nested functions
        before their parents here.
        (cgraph_finalize_function): Not here.
        (cgraph_analyze_function): Gimplify functions here.
        (cgraph_finalize_compilation_unit): Continue after errors.
        Optimize the callgraph from here.
        (cgraph_optimize): Make static.
        * langhooks.c (write_global_declarations): Finalize the CU.
        * gimplify.c (gimplify_asm_expr): Do not emit ASMs with errors.
        (gimplify_function_tree): Assert we gimplify only once.
        Set PROP_gimple_any property.
        * tree-nested.c (gimplify_all_functions): New function.
        (lower_nested_functions): Gimplify all nested functions.
        * gimple.h (diagnose_omp_structured_block_errors): Remove.
        * passes.c (init_optimization_passes): Add pass_warn_unused_result
        and pass_diagnose_omp_blocks after gimplification.  Do not
        set TODO_set_props on all_lowering_passes.
        (execute_one_pass): Do not handle TODO_set_props.
        * Makefile.in (cgraphunit.o): Add $(TREE_DUMP_H) dependency.
        (gimplify.o): Add tree-pass.h dependency.
        * tree-inline.c (copy_statement_list): Properly copy STATEMENT_LIST.
        (copy_tree_body_r): Properly handle TARGET_EXPR like SAVE_EXPR.
        (unsave_r): Likewise.
        * c-omp.c (c_finish_omp_atomic): Set DECL_CONTEXT on the
        temporary variable.

2009-07-17  Sandra Loosemore  <sandra@codesourcery.com>

        * doc/service.texi (Service): Restore previously removed link,
        which isn't broken after all.

2009-07-17  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/40321
        * tree-ssa-pre.c (add_to_exp_gen): Also add names defined by
        PHI nodes to the maximal set.
        (make_values_for_phi): Add PHI arguments to the maximal set.
        (execute_pre): Dump PHI_GEN and the maximal set.

2009-07-17  Jakub Jelinek  <jakub@redhat.com>

        PR c++/40780
        * gimplify.c (gimplify_conversion): Don't change non-conversions into
        VIEW_CONVERT_EXPR.

2009-07-16  Sandra Loosemore  <sandra@codesourcery.com>

        * doc/extend.texi (Nested Functions): Replace broken link with
        textual reference.
        * doc/service.texi (Service): Remove broken link.

2009-07-16  H.J. Lu  <hongjiu.lu@intel.com>

        PR bootstrap/40781
        * builtins.c (expand_builtin_memcmp): Use loc instead of
        EXPR_LOCATION (exp).
        (expand_builtin_strncmp): Likewise.

2009-07-17  Aldy Hernandez  <aldyh@redhat.com>
            Manuel López-Ibáñez  <manu@gcc.gnu.org>

        PR 40435
        * tree-complex.c, tree-loop-distribution.c, tree.c, tree.h,
        builtins.c, fold-const.c, omp-low.c, cgraphunit.c, tree-ssa-ccp.c,
        tree-ssa-dom.c, gimple-low.c, expr.c, tree-ssa-ifcombine.c,
        c-decl.c, stor-layout.c, tree-if-conv.c, c-typeck.c, gimplify.c,
        calls.c, tree-sra.c, tree-mudflap.c, tree-ssa-copy.c,
        tree-ssa-forwprop.c, c-convert.c, c-omp.c, varasm.c,
        tree-inline.c, c-common.c, c-common.h, gimple.c,
        tree-switch-conversion.c, gimple.h, tree-cfg.c, c-parser.c,
        convert.c: Add location argument to fold_{unary,binary,ternary},
        fold_build[123], build_call_expr, build_size_arg,
        build_fold_addr_expr, build_call_array, non_lvalue, size_diffop,
        fold_build1_initializer, fold_build2_initializer,
        fold_build3_initializer, fold_build_call_array,
        fold_build_call_array_initializer, fold_single_bit_test,
        omit_one_operand, omit_two_operands, invert_truthvalue,
        fold_truth_not_expr, build_fold_indirect_ref, fold_indirect_ref,
        combine_comparisons, fold_builtin_*, fold_call_expr,
        build_range_check, maybe_fold_offset_to_address, round_up,
        round_down.

2009-07-16  Jason Merrill  <jason@redhat.com>

        PR libstdc++/37907
        * c-common.c (c_common_reswords): Add __is_standard_layout
        and __is_trivial.
        * c-common.h (enum rid): Add RID_IS_STD_LAYOUT and RID_IS_TRIVIAL.
        * doc/implement-cxx.texi: New.
        * doc/gcc.texi: Include it.

2009-07-16  DJ Delorie  <dj@redhat.com>

        * config/m32c/m32c.c (m32c_compare_redundant): Avoid removing
        compares that may be indirectly affected by previous instructions.

2009-07-16  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * builtins.c (do_mpc_arg2): New.
        (fold_builtin_2): Fold builtin cpow.
        * real.h (HAVE_mpc_pow): New.

2009-07-16  Bingfeng Mei  <bmei@broadcom.com>

        * modulo-sched.c (sms_schedule): stage_count <= 1 as correct
        comparison to skip unprofitable schedule

2009-07-16  Simon Baldwin  <simonb@google.com>

        * gcc.c (option_map): New flag -no-canonical-prefixes.
        * (display_help): Print help text for new flag.
        * (process_command): Move options translation and language specifics
        and handle new flag early.  Use it to set a function pointer to a
        prefix builder.  Replace make_relative_prefix calls with calls to
        the function pointed to.  Ignore new flag in regular options handling.
        * doc/invoke.texi (Overall Options): Documented -no-canonical-prefixes.

2009-07-15  DJ Delorie  <dj@redhat.com>

        * config/mep/mep.md (sibcall_internal): Change register to avoid
        argument registers.
        (sibcall_value_internal): Likewise.

2009-07-15  Eric Botcazou  <ebotcazou@adacore.com>

        PR rtl-optimization/40710
        * resource.c (mark_target_live_regs): Reset DF problem to LR.

2009-07-15  Adam Nemet  <anemet@caviumnetworks.com>

        * config/mips/mips.md (*extenddi_truncate<mode>,
        *extendsi_truncate<mode>): Change type attribute to move_type
        with shift_shift.  Split out code handling exts from here ...
        (*extend<GPR:mode>_truncate<SHORT:mode>_exts): ... to this new
        pattern.
        (*extendhi_truncateqi): Change type attribute to move_type with
        shift_shift.  Split out code handling exts from here ...
        (*extendhi_truncateqi_exts): ... to this new pattern.

2009-07-15  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/sse.md (copysign<mode>3): Use "and-not" SSE instruction
        instead of "and" with inverted sign bit mask value.  Use
        "nonimmediate_operand" for operand 1 and operand 2 predicate.
        Allocate registers only for operand 4 and operand 5.

2009-07-15  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/40747
        * fold-const.c (fold_cond_expr_with_comparison): When folding
        < and <= to MIN, make sure the MIN uses the same type as the
        comparison's operands.

2009-07-15  Richard Earnshaw  <rearnsha@arm.com>

        * arm.md (ior_xor): New code iterator.
        (split for ior/xor with shift and zero-extend): New split pattern.
        * arm/predicates.md (subreg_lowpart_operator): New special predicate.

2009-07-15  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-structalias.c (make_constraint_from_heapvar): Initialize
        offset member.

2009-07-15  Richard Guenther  <rguenther@suse.de>

        PR middle-end/40753
        * alias.c (ao_ref_from_mem): Reject FUNCTION_DECL and LABEL_DECL bases.

2009-07-15  Maxim Kuvyrkov  <maxim@codesourcery.com>

        * config/m68k/linux-unwind.h (m68k_fallback_frame_state): Update to
        handle 2.6.30 kernel.

2009-07-15  DJ Delorie  <dj@redhat.com>

        * config/mep/mep.md (sibcall_internal): Change register to allow
        for 24-bit addresses.
        (sibcall_value_internal): Likewise.

2009-07-14  Ghassan Shobaki  <ghassan.shobaki@amd.com>

        * doc/invoke.texi: Added descriptions of the  scheduling heuristics
        that are enabled/disabled by the flags introduced by a previous patch.

2009-07-14  DJ Delorie  <dj@redhat.com>

        * config/mep/mep.md (sibcall_internal): Include non-toggling
        non-jmp case.
        (sibcall_value_internal): Likewise.

2009-07-14  Taras Glek  <tglek@mozilla.com>
            Rafael Espindola  <espindola@google.com>

        * doc/sourcebuild.texi: Document install-plugin target.
        * configure.ac: Added install-plugin target to language makefiles.
        * configure: Regenerate.
        * Makefile.in: (install-plugin): Install more headers,
        depend on lang.install-plugin.

2009-07-15  Manuel López-Ibáñez  <manu@gcc.gnu.org>

        * tree-vrp.c (vrp_evaluate_conditional): Mark strings for
        translation.

2009-07-14  DJ Delorie  <dj@redhat.com>

        * config/mep/mep.c (mep_vliw_jmp_match): New function.
        * config/mep/mep-protos.h (mep_vliw_jmp_match): Prototype it.
        * config/mep/mep.md (sibcall_internal): Change test from
        mep_vliw_mode_match to mep_vliw_jmp_match.
        (sibcall_value_internal): Likewise.

2009-07-14  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/sse.md (copysign<mode>3): New expander.
        * config/i386/i386-protos.h (ix86_build_signbit_mask): New prototype.
        * config/i386/i386.c (ix86_build_signbit_mask): Make public.
        Use ix86_build_const_vector.
        (enum ix86_builtins): Add IX86_BUILTIN_CPYSGNPS and
        IX86_BUILTIN_CPYSGNPD.
        (builtin_description): Add __builtin_ia32_copysignps and
        __builtin_ia32_copysignpd.
        (ix86_builtin_vectorized_function): Handle BUILT_IN_COPYSIGN
        and BUILT_IN_COPYSIGNF.

2009-07-13  Jason Merrill  <jason@redhat.com>

        * builtins.c (can_trust_pointer_alignment): New fn.
        (get_pointer_alignment): Factor it out from here.
        * tree.h: Declare it.

2009-07-14  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/predicates.md (offsettable_mem_operand): Test
        RTX_AUTOINC class.

2009-07-14  Dodji Seketeli  <dodji@redhat.com>

        PR debug/40705
        PR c++/403057
        * dwarf2.out.c (gen_type_die_with_usage): Added comment.

2009-07-14  Richard Guenther  <rguenther@suse.de>
            Andrey Belevantsev <abel@ispras.ru>

        PR middle-end/40745
        * cfgexpand.c (partition_stack_vars): Do not bother to update
        alias information when not optimizing.

2009-07-14  Richard Guenther  <rguenther@suse.de>
            Andrey Belevantsev <abel@ispras.ru>

        * tree-ssa-alias.h (refs_may_alias_p_1): Declare.
        (pt_solution_set): Likewise.
        * tree-ssa-alias.c (refs_may_alias_p_1): Export.
        * tree-ssa-structalias.c (pt_solution_set): New function.
        * final.c (rest_of_clean_state): Free SSA data structures.
        * print-rtl.c (print_decl_name): Remove.
        (print_mem_expr): Implement in terms of print_generic_expr.
        * alias.c (ao_ref_from_mem): New function.
        (rtx_refs_may_alias_p): Likewise.
        (true_dependence): Query alias-export info.
        (canon_true_dependence): Likewise.
        (write_dependence_p): Likewise.
        * tree-dfa.c (get_ref_base_and_extent): For void types leave
        size unknown.
        * emit-rtl.c (component_ref_for_mem_expr): Remove.
        (mem_expr_equal_p): Use operand_equal_p.
        (set_mem_attributes_minus_bitpos): Do not use
        component_ref_for_mem_expr.
        * cfgexpand.c (add_partitioned_vars_to_ptset): New function.
        (update_alias_info_with_stack_vars): Likewise.
        (partition_stack_vars): Call update_alias_info_with_stack_vars.
        * tree-ssa.c (delete_tree_ssa): Do not release SSA names
        explicitly nor clear stmt operands.
        Free the decl-to-pointer map.
        * tree-optimize.c (execute_free_datastructures): Do not free
        SSA data structures here.
        * tree-flow.h (struct gimple_df): Add decls_to_pointers member.
        * Makefile.in (emit-rtl.o): Add pointer-set.h dependency.
        (alias.o): Add tree-ssa-alias.h, pointer-set.h and $(TREE_FLOW_H)
        dependencies.
        (print-rtl.o): Add $(DIAGNOSTIC_H) dependency.

2009-07-13  DJ Delorie  <dj@redhat.com>

        * config/mep/mep.h (CC1_SPEC): Tweak parameters to trigger
        unrolling at the right iteration count.

        * config/mep/mep.c (mep_expand_prologue): Fix frame pointer
        calculations.

2009-07-13  Ghassan Shobaki  <ghassan.shobaki@amd.com>

        * haifa-sched.c (rank_for_schedule): Introduced flags to
        enable/disable individual scheduling heuristics.
        * common.opt: Introduced flags to enable/disable individual
        heuristics in the scheduler.
        * doc/invoke.texi: Introduced flags to enable/disable individual
        heuristics in the scheduler.

2009-07-13  Kai Tietz  <kai.tietz@onevision.com>

        * config/i386/t-gthr-win32 (LIB2FUNCS_EXTRA): Remove file
        config/i386/mingw-tls.c.
        * config/i386/mingw-tls.c: Removed.

2009-07-13  Ira Rosen  <irar@il.ibm.com>

        * tree-vect-loop.c (get_initial_def_for_reduction): Ensure that the
        checks access only relevant statements.
        (vectorizable_reduction): Likewise.

2009-07-12  Kai Tietz  <kai.tietz@onevision.com>

        * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Define _X86_
        just for 32-bit case.

2009-07-12  Jan Hubicka  <jh@suse.cz>

        PR tree-optimization/40585
        * except.c (expand_resx_expr): When there already is resume
        instruction, produce linked list.
        (build_post_landing_pads): Assert that resume is empty.
        (connect_post_landing_pads): Handle resume lists.
        (dump_eh_tree): Dump resume list.

2009-07-12  Ira Rosen  <irar@il.ibm.com>

        * tree-parloops.c (loop_parallel_p): Call vect_is_simple_reduction
        with additional argument.
        * tree-vectorizer.h (enum vect_def_type): Add
        vect_double_reduction_def.
        (vect_is_simple_reduction): Add argument.
        * tree-vect-loop.c (vect_determine_vectorization_factor): Fix
        indentation.
        (vect_analyze_scalar_cycles_1): Detect double reduction. Call
        vect_is_simple_reduction with additional argument.
        (vect_analyze_loop_operations): Handle exit phi nodes in case of
        double reduction.
        (reduction_code_for_scalar_code): Handle additional codes by
        returning ERROR_MARK for them. Fix comment and indentation.
        (vect_is_simple_reduction): Fix comment, add argument to specify
        double reduction. Detect double reduction.
        (get_initial_def_for_induction): Fix indentation.
        (get_initial_def_for_reduction): Fix comment and indentation.
        Handle double reduction. Create initial definitions that do not
        require adjustment if ADJUSTMENT_DEF is NULL. Handle additional cases.
        (vect_create_epilog_for_reduction): Fix comment, add argument to
        handle double reduction. Use PLUS_EXPR in case of MINUS_EXPR in
        epilogue result extraction. Create double reduction phi node and
        replace relevant uses.
        (vectorizable_reduction): Call vect_is_simple_reduction with
        additional argument. Fix indentation. Update epilogue code treatment
        according to the changes in reduction_code_for_scalar_code. Check
        for double reduction. Call vect_create_epilog_for_reduction with
        additional argument.
        * tree-vect-stmts.c (process_use): Handle double reduction, update
        documentation.
        (vect_mark_stmts_to_be_vectorized): Handle double reduction.
        (vect_get_vec_def_for_operand): Likewise.

2009-07-12  Danny Smith  <dansmister@gmail.com>

        * config/i386/winnt.c (i386_pe_determine_dllexport_p): Don't
        dllexport if !TREE_PUBLIC.
        (i386_pe_maybe_record_exported_symbol): Assert TREE_PUBLIC.

2009-07-11  Anatoly Sokolov  <aesok@post.ru>

        * config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): Redefine.
        (avr_extra_arch_macro) Remove declatation.
        * config/avr/avr.c (avr_cpu_cpp_builtins): New function.
        (avr_extra_arch_macro) Declare as static.
        * config/avr/avr-protos.h (avr_cpu_cpp_builtins): Dclare.

2009-07-11  Jan Hubicka  <jh@suse.cz>

        PR middle-end/48388
        * except.c (can_be_reached_by_runtime): Test for NULL aka bitmap.

2009-07-11  Jakub Jelinek  <jakub@redhat.com>

        PR debug/40713
        * dwarf2out.c (dw_fde_struct): Add in_std_section and
        cold_in_std_section bits.
        (dwarf2out_begin_prologue): Initialize them.
        (dwarf2out_finish): Don't emit FDE range into .debug_ranges
        if already covered by text_section or cold_text_section range.

        PR rtl-optimization/40667
        * defaults.h (MINIMUM_ALIGNMENT): Define if not defined.
        * doc/tm.texi (MINIMUM_ALIGNMENT): Document it.
        * config/i386/i386.h (MINIMUM_ALIGNMENT): Define.
        * config/i386/i386.c (ix86_minimum_alignment): New function.
        * config/i386/i386-protos.h (ix86_minimum_alignment): New prototype.
        * cfgexpand.c (expand_one_var): Use MINIMIM_ALIGNMENT.
        * emit-rtl.c (gen_reg_rtx): Likewise.
        * function.c (assign_parms): Likewise.  If nominal_type needs
        bigger alignment than FUNCTION_ARG_BOUNDARY, use its alignment
        rather than passed_type's alignment.

        PR target/40668
        * function.c (assign_parm_setup_stack): Adjust
        MEM_OFFSET (data->stack_parm) if promoted_mode is different
        from nominal_mode on big endian.

2009-07-11  Paolo Bonzini  <bonzini@gnu.org>

        * expmed.c (emit_store_flag_1): Fix choice of zero vs. sign extension.

2009-07-10  DJ Delorie  <dj@redhat.com>

        * config/mep/mep.c (mep_can_inline_p): Correct logic, and simplify.

2009-07-10  Mark Mitchell  <mark@codesourcery.com>

        * config/arm/thumb2.md (thumb2_cbz): Correct computation of length
        attribute.
        (thumb2_cbnz): Likewise.

2009-07-10  David Daney  <ddaney@caviumnetworks.com>

        PR target/39079
        * config.gcc (supported_defaults): Add synci.
        (with_synci): Add validation.
        (all_defaults): Add synci.
        * config/mips/mips.md (clear_cache): Use TARGET_SYNCI instead of
        ISA_HAS_SYNCI.
        (synci): Same.
        * config/mips/mips.opt (msynci): New option.
        * config/mips/mips.c (mips_override_options): Warn on use of
        -msynci for targets that do now support it.
        * gcc/config/mips/mips.h (OPTION_DEFAULT_SPECS): Add a default for
        msynci.
        * gcc/doc/invoke.texi (-msynci): Document the new option.
        * doc/install.texi (--with-synci): Document the new option.

2009-07-10  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/40496
        * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Create
        the PHI result with a compatible type.

2009-07-10  Manuel López-Ibáñez  <manu@gcc.gnu.org>

        PR 25509
        PR 40614
        * c.opt (Wunused-result): New.
        * doc/invoke.texi: Document it.
        * c-common.c (c_warn_unused_result): Use it.

2009-07-09  DJ Delorie  <dj@redhat.com>

        * targhooks.c (default_target_can_inline_p): Rename from
        default_target_option_can_inline_p.
        * targhooks.h (default_target_can_inline_p): Likewise.
        * target-def.h (TARGET_CAN_INLINE_P): Rename from
        TARGET_OPTION_CAN_INLINE_P.
        * config/i386/i386.c (TARGET_CAN_INLINE_P): Likewise.
        * config/mep/mep.c (TARGET_CAN_INLINE_P): Likewise.
        (mep_target_can_inline_p): Rename from
        mep_target_option_can_inline_p.

        PR target/40626
        * config/mep/mep.h (FUNCTION_ARG_REGNO_P): Add coprocessor
        registers used to pass vectors.

        * config/mep/mep.c (mep_option_can_inline_p): Remove error call.

2009-07-09  Tom Tromey  <tromey@redhat.com>

        * unwind-dw2-fde-darwin.c: Include dwarf2.h.
        * config/mmix/mmix.c: Include dwarf2.h.
        * config/rs6000/darwin-fallback.c: Include dwarf2.h.
        * config/xtensa/unwind-dw2-xtensa.c: Include dwarf2.h.
        * config/sh/sh.c: Include dwarf2.h.
        * config/i386/i386.c: Include dwarf2.h.
        * Makefile.in (DWARF2_H): Remove 'elf'.
        * except.c: Include dwarf2.h.
        * unwind-dw2.c: Include dwarf2.h.
        * dwarf2out.c: Include dwarf2.h.
        * unwind-dw2-fde-glibc.c: Include dwarf2.h.
        * unwind-dw2-fde.c: Include dwarf2.h.
        * dwarf2asm.c: Include dwarf2.h.

2009-07-09  Maxim Kuvyrkov  <maxim@codesourcery.com>

        * haifa-sched.c (insn_finishes_cycle_p): New static function.
        (max_issue): Use it.
        * sched-int.h (struct sched_info: insn_finishes_block_p): New
        scheduler hook.
        * sched-rgn.c (rgn_insn_finishes_block_p): Implement it.
        (region_sched_info): Update.
        * sched-ebb.c (ebb_sched_info): Update.
        * modulo-sched.c (sms_sched_info): Update.
        * sel-sched-ir.c (sched_sel_haifa_sched_info): Update.

2009-07-09  Maxim Kuvyrkov  <maxim@codesourcery.com>

        * varasm.c (build_constant_desc): Don't share RTL in pool entries.

2009-07-09  Basile Starynkevitch  <basile@starynkevitch.net>

        * plugin.c (try_init_one_plugin): passes RTLD_GLOBAL to dlopen.

2009-07-09  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/40692
        * fold-const.c (fold_cond_expr_with_comparison): Don't replace
        arg1 with arg01 if arg1 is already INTEGER_CST.

2009-07-08  Adam Nemet  <anemet@caviumnetworks.com>

        * simplify-rtx.c (simplify_binary_operation_1) <AND>:
        Transform (and (truncate)) into (truncate (and)).

2009-07-08  Adam Nemet  <anemet@caviumnetworks.com>

        * combine.c (make_extraction): Check TRULY_NOOP_TRUNCATION before
        creating LHS paradoxical subregs.  Fix surrounding returns to
        use NULL_RTX rather than 0.

2009-07-08  DJ Delorie  <dj@redhat.com>

        * config/mep/mep.c: (mep_option_can_inline_p): New.
        (TARGET_OPTION_CAN_INLINE_P): Define.

2009-07-08  Mark Wielaard  <mjw@redhat.com>

        PR debug/40659
        * dwarf2out.c (add_data_member_location_attribute): When we have
        only a constant offset don't emit a new location description using
        DW_OP_plus_uconst, but just add the constant with add_AT_int, when
        dwarf_version > 2.

2009-07-08  Richard Henderson  <rth@redhat.com>

        PR target/38900
        * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move to i386.c.
        (enum reg_class): Add CLOBBERED_REGS.
        (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Likewise.
        * config/i386/i386.c (ix86_conditional_register_usage): Moved
        from CONDITIONAL_REGISTER_USAGE; build CLOBBERED_REGS for 64-bit.
        (ix86_function_ok_for_sibcall): Tidy.  Disallow MS->SYSV sibcalls.
        (ix86_expand_call): Use sibcall_insn_operand when needed.  Don't
        force 64-bit sibcalls into R11.
        * config/i386/constraints.md (U): New constraint.
        * config/i386/i386.md (sibcall_1, sibcall_value_1): Use it.
        (sibcall_1_rex64, sibcall_value_1_rex64): Likewise.
        (sibcall_1_rex64_v, sibcall_value_1_rex64_v): Remove.

2009-07-08  Shujing Zhao  <pearly.zhao@oracle.com>

        * basic-block.h (dump_regset, debug_regset): Remove duplicate
        prototypes.
        * c-objc-common.h (c_initialize_diagnostics): Ditto.
        * ebitmap.h (dump_ebitmap): Ditto.
        * optabs.h (optab_libfunc): Ditto.
        * tree.h (tree_expr_nonzero_warnv_p): Ditto.
        * tree-flow.h (vect_can_force_dr_alignment_p,
        get_vectype_for_scalar_type): Ditto.
        (vectorize_loops): Move prototype to ...
        * tree-vectorizer.h: ... here. Also, adjust comment.
        (vect_set_verbosity_level): Remove duplicate prototype.
        * tree-ssa-loop.c: Include tree-vectorizer.h.
        * Makefile.in (tree-ssa-loop.o): Depend on tree-vectorizer.h.

2009-07-08  Nick Clifton  <nickc@redhat.com>

        * config/i386/unix.h (ASM_COMMENT_START): Add a space after the
        forward slash.

2009-07-08  DJ Delorie  <dj@redhat.com>

        * config/mep/mep-ivc2.cpu (cpmovtocsar0_C3, cpmovtocsar1_C3,
        cpmovtocc_C3, cpmovtocsar0_P0S_P1, cpmovtocsar1_P0S_P1,
        cpmovtocc_P0S_P1): Mark volatile.  Note which registers are
        written to.
        * config/mep/intrinsics.md: Regenerated.
        * config/mep/mep.c (mep_interrupt_saved_reg): Save IVC2 control
        registers when asm() or calls are detected.

2009-07-08  Manuel López-Ibáñez  <manu@gcc.gnu.org>

        PR c++/31246
        * gimplify.c (gimplify_expr): Propagate no_warning flag when
        gimplifying.
        * gimple (gimple_build_call_from_tree): Likewise.
        * tree-cfg.c (remove_useless_stmts_warn_notreached): Check
        no_warning flag before warning.

2009-07-07  Manuel López-Ibáñez  <manu@gcc.gnu.org>

        * tree.c (set_expr_locus): Remove.
        * tree.h (EXPR_LOCUS,SET_EXPR_LOCUS,set_expr_locus): Remove.
        * c-typeck.c (c_finish_stmt_expr):  Replace EXPR_LOCUS by
        EXPR_LOCATION.
        * gimplify.c (internal_get_tmp_var): Likewise.
        (gimplify_call_expr): Likewise.
        (gimplify_one_sizepos): Likewise.

2009-07-07  Eric Botcazou  <ebotcazou@adacore.com>

        PR debug/40666
        * dbxout.c (dbxout_symbol) <PARM_DECL>: Deal with parameters pointing
        to variables for debugging purposes.

2009-06-23  Mark Loeser  <mark@halcy0n.com>

        PR build/40010
        * Makefile.in (gcc.pod): Depend on gcc-vers.texi.

2009-07-07  Manuel López-Ibáñez  <manu@gcc.gnu.org>

        * pretty-print.c (pp_base_format): Remove %J.
        * c-format.c (gcc_diag_char_table, gcc_tdiag_char_table,
        gcc_cxxdiag_char_table): Likewise.
        (init_dynamic_diag_info): Likewise.

2009-07-07  Manuel López-Ibáñez  <manu@gcc.gnu.org>

        * pretty-print.c (pp_base_format): Remove %H.
        * c-format.c (gcc_diag_char_table, gcc_tdiag_char_table,
        gcc_cxxdiag_char_table): Likewise.
        (init_dynamic_diag_info): Likewise.
        * config/mep/mep.c (mep_select_section): Likewise.

2009-07-07  Duncan Sands  <baldrick@free.fr>

        * final.c (pass_clean_state): Give the pass a name.
        * passes.c (pass_rest_of_compilation): Likewise.
        * tree-optimize.c (pass_all_optimizations): Likewise.

2009-07-07  H.J. Lu  <hongjiu.lu@intel.com>

        * config/ia64/ia64.c (ia64_handle_model_attribute): Remove
        an extra 'decl' for error_at.

2009-07-07  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/40669
        * tree-tailcall.c (adjust_return_value_with_ops,
        create_tailcall_accumulator): Set DECL_GIMPLE_REG_P on the temporary
        if it has complex or vector type.

2009-07-07  Olivier Hainque  <hainque@adacore.com>

        * config/alpha/t-osf4 (SHLIB_LINK): Do not hide the dummy weak
        pthread symbols.

2009-07-07  Basile Starynkevitch  <basile@starynkevitch.net>

        * Makefile.in: added more lists of includes to PLUGIN_HEADERS.

2009-07-07  Manuel López-Ibáñez  <manu@gcc.gnu.org>

        * cgraphunit.c: Replace %J by an explicit location.  Update all calls.
        * c-decl.c: Likewise.
        * function.c: Likewise.
        * varasm.c: Likewise.
        * tree-ssa.c: Likewise.
        * c-common.c: Likewise.
        * tree-cfg.c: Likewise.
        * config/spu/spu.c: Likewise.
        * config/ia64/ia64.c: Likewise.
        * config/v850/v850.c: Likewise.

2009-07-06  DJ Delorie  <dj@redhat.com>

        * config/mep/mep-core.cpu (fsft, ssarb): Mark as VOLATILE.
        * config/mep/mep-ivc2.cpu (many): Add VOLATILE to more insns that make
        unspecified accesses to control registers.
        * config/mep/intrinsics.md: Regenerate.
        * config/mep/intrinsics.h: Regenerate.
        * config/mep/mep-intrin.h: Regenerate.

2009-07-07  Manuel López-Ibáñez  <manu@gcc.gnu.org>

        * c-lex.c: Replace %H by an explicit location. Update all calls.
        * c-common.c: Likewise.
        * c-decl.c: Likewise.
        * c-typeck.c: Likewise.
        * fold-const.c: Likewise.
        * gimplify.c: Likewise.
        * stmt.c: Likewise.
        * tree-cfg.c: Likewise.
        * tree-ssa-loop-niter.c: Likewise.
        * tree-vrp.c: Likewise.
        * value-prof.c: Likewise.

2009-07-06  Diego Novillo  <dnovillo@google.com>

        * tree-dfa.c (dump_variable): Write DECL_INITIAL for VAR
        if it has one.  Handle cases where VAR does not have an
        annotation or cfun is NULL.

2009-07-06  Diego Novillo  <dnovillo@google.com>

        * tree.c: Include debug.h.
        (initialize_tree_contains_struct): New.
        (init_ttree): Call it.
        (tree_node_structure_for_code): Factor out of ...
        (tree_node_structure): ... here.
        * treestruct.def (TS_PHI_NODE): Remove.
        (TS_GIMPLE_STATEMENT): Remove.

2009-07-06  Diego Novillo  <dnovillo@google.com>

        * tree-pretty-print.c (dump_generic_node): Protect against NULL op0.
        (debug_tree_chain): Handle cycles.

2009-07-06  Nick Clifton  <nickc@redhat.com>
            DJ Delorie  <dj@redhat.com>

        * config.sh/lib1funcs.h (FMOVD_WORKS): Only define if
        __FMOVD_ENABLED__ is defined.
        * config/sh/sh.h
        (TARGET_FMOVD): Provide a default definition.
        (MASK_FMOVD): Likewise.
        (TARGET_CPU_CPP_BUILTINS): Define
        __FMOVD_ENABLED__ if TARGET_FMOVD is true.
        * config/sh/sh.md (movdf_i4): For alternative 0 use either one or
        two fmov instructions depending upon whether TARGET_FMOVD is enabled.
        (split for DF load from memory into register): Also handle
        MEMs which consist of REG+DISP addressing.
        (split for DF store from register to memory): Likewise.
        (movsf_ie): Always use single fp_mode.
        * config/sh/sh.c (sh_override_options): Do not automatically
        enable TARGET_MOVD for the SH2A when supporting doubles - leave
        that to the -mfmovd command line switch.
        (broken_move): Do not restrict fldi test to only the SH4 and SH4A.
        (fldi_ok): Always allow.
        * config/sh/sh.opt (mfmovd): Remove this switch.
        * doc/invoke.texi (-mfmovd): Remove documentation of this switch.

2009-07-06  J"orn Rennecke  <joern.rennecke@arc.com>
            Kaz Kojima  <kkojima@gcc.gnu.org>

        PR rtl-optimization/30807
        * postreload.c (reload_combine): For every new use of REG_SUM,
        record the use of BASE.

2009-07-06  Jan Hubicka  <jh@suse.cz>

        * params.def: Revert my accidental commit at 2009-06-30.

2009-07-04  Ian Lance Taylor  <iant@google.com>

        PR target/40636
        * config/i386/msformat-c.c (mingw_format_attributes): Declare as
        EXPORTED_CONST.
        (mingw_format_attribute_overrides): Likewise.

2009-07-04  Jakub Jelinek  <jakub@redhat.com>

        PR debug/40596
        * dwarf2out.c (based_loc_descr): For crtl->stack_realign_tried
        don't check cfa.reg.  Instead of cfa.indirect use
        fde && fde->drap_reg != INVALID_REGNUM test.

2009-07-04  Eric Botcazou  <ebotcazou@adacore.com>

        * postreload.c (reload_combine): Replace CONST_REG with INDEX_REG.

2009-07-03  Vladimir Makarov  <vmakarov@redhat.com>

        PR target/40587
        * ira.c (build_insn_chain): Use DF_LR_OUT instead of df_get_live_out.

2009-07-03  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/40640
        * tree-switch-conversion.c (build_arrays): Perform arithmetic
        in original type.

2009-07-03  Jan Hubicka  <jh@suse.cz>

        * ipa-inline.c (cgraph_decide_inlining_incrementally): When optimizing
        for size, reduce amount of inlining.

2009-07-03  Richard Guenther  <rguenther@suse.de>

        PR middle-end/34163
        * tree-chrec.c (chrec_convert_1): Fold (T2)(t +- x) to (T2)t +- (T2)x
        if t +- x is known to not overflow and the conversion widens the
        operation.
        * Makefile.in (tree-chrec.o): Add $(FLAGS_H) dependency.

2009-07-03  Jan Hubicka  <jh@suse.cz>

        * ipa-pure-const.c (analyze): Update loop optimizer init.
        * tree-ssa-loop-iv-canon.c (empty_loop_p, remove_empty_loop,
        try_remove_empty_loop, remove_empty_loops): Remove.
        * tree-ssa-loop.c (tree_ssa_empty_loop, pass_empty_loop): Remove.
        * tree-ssa-dce.c (find_obviously_necessary_stmts): Use finiteness info
        to mark regular loops as neccesary.
        (degenerate_phi_p): New function.
        (propagate_necessity, remove_dead_phis): Use it.
        (forward_edge_to_pdom): Likewise.
        (eliminate_unnecessary_stmts): Take care to remove uses of results of
        virtual PHI nodes that became unreachable.
        (perform_tree_ssa_dce): Initialize/deinitialize loop optimizer.
        * tree-flow.h (remove_empty_loops): Remove.
        * passes.c (init_optimization_passes): Remove.

2009-07-03  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.md (fix_trunc<mode>_fisttp_i387_1): Use
        can_create_pseudo_p.
        (*fix_trunc<mode>_i387_1): Ditto.
        (*floathi<mode>2_1): Ditto.
        (*float<SSEMODEI24:mode><X87MODEF:mode>2_1): Ditto.
        (*fistdi2_1): Ditto.
        (*fist<mode>2_1): Ditto.
        (frndintxf2_floor): Ditto.
        (*fist<mode>2_floor_1): Ditto.
        (frndintxf2_ceil): Ditto.
        (*fist<mode>2_ceil_1): Ditto.
        (frndintxf2_trunc): Ditto.
        (frndintxf2_mask_pm): Ditto.
        (fxam<mode>2_i387_with_temp): Ditto.
        * config/i386/sse.md (mulv16qi3): Ditto.
        (*sse2_mulv4si3): Ditto.
        (mulv2di3): Ditto.
        (sse4_2_pcmpestr): Ditto.
        (sse4_2_pcmpistr): Ditto.

2009-07-03  Jan Hubicka  <jh@suse.cz>

        * tree-ssa-dce.c (bb_contains_live_stmts): New bitmap.
        (mark_stmt_necessary): Set it.
        (mark_operand_necessary): Set it.
        (mark_control_dependent_edges_necessary): Set it.
        (mark_virtual_phi_result_for_renaming): New function.
        (get_live_post_dom): New function.
        (forward_edge_to_pdom): New function.
        (remove_dead_stmt): Fix handling of control dependences.
        (tree_dce_init): Init new bitmap.
        (tree_dce_done): Free it.

2009-07-02  Richard Guenther  <rguenther@suse.de>

        PR bootstrap/40617
        * tree-ssa-structalias.c (new_var_info): Initialize
        is_restrict_var.

2009-07-02  Jan Hubicka  <jh@suse.cz>

        * ipa-pure-const.c (check_op): Use PTA info to see if indirect_ref is
        local.

2009-07-02  Paolo Bonzini  <bonzini@gnu.org>

        * expmed.c (emit_cstore, emit_store_flag_1): Accept target_mode
        instead of recomputing it.  Adjust calls.
        (emit_store_flag): Adjust recursive calls.

2009-07-02  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-live.c (remove_unused_locals): Do not remove
        heap variables.
        * tree-ssa-structalias.c (handle_lhs_call): Delay setting
        of DECL_EXTERNAL for HEAP variables.
        (compute_points_to_sets): Set DECL_EXTERNAL for escaped
        HEAP variables.  Do not adjust RESTRICT vars.
        (find_what_var_points_to): Nobody cares if something
        points to READONLY.

2009-07-02  Ben Elliston  <bje@au.ibm.com>

        * unwind-dw2-fde-glibc.c (_Unwind_IteratePhdrCallback): Move
        pc_low and pc_high declarations to the top of the function.

2009-07-01  DJ Delorie  <dj@redhat.com>

        * config/mep/mep.c (mep_handle_option): Leave IVC2 control
        registers as fixed.
        (mep_interrupt_saved_reg): Save appropriate IVC2 control registers.
        * config/mep/mep-ivc2.cpu: Add VOLATILE to insns that make
        unspecified accesses to control registers.
        * config/mep/intrinsics.md: Regenerate.
        * config/mep/intrinsics.h: Regenerate.
        * config/mep/mep-intrin.h: Regenerate.

2009-07-01  Anthony Green  <green@moxielogic.com>

        * config/moxie/moxie.c (moxie_expand_prologue): Use dec
        instruction when possible.
        (moxie_expand_prologue): Ditto.  Also, save an instruction and
        some complexity by popping off of $r12 instead of $sp.
        * config/moxie/moxie.md (movsi_pop): Don't assume $sp.  Take two
        operands.

2009-07-01  Richard Henderson  <rth@redhat.com>

        PR bootstrap/40347
        * function.c (reposition_prologue_and_epilogue_notes): If epilogue
        contained no insns, reposition note before last insn.

2009-07-01  Richard Henderson  <rth@redhat.com>

        PR debug/40431
        * dwarf2out.c (def_cfa_1): Revert 2009-06-11 change for
        DW_CFA_def_cfa_offset and DW_CFA_def_cfa.

2009-07-01  Michael Meissner  <meissner@linux.vnet.ibm.com>

        PR bootstrap/40558
        * config/rs6000/rs6000.c (print_operand): Undo change that breaks
        darwin9 for printing reg addresses with %y.

2009-07-01  Adam Nemet  <anemet@caviumnetworks.com>

        * combine.c (force_to_mode): Handle TRUNCATE.  Factor out
        truncation from operands in binary operations.

2009-07-01  Adam Nemet  <anemet@caviumnetworks.com>

        Revert:
        2009-01-11  Adam Nemet  <anemet@caviumnetworks.com>
        * expmed.c (store_bit_field_1): Properly truncate the paradoxical
        subreg of op0 to the original op0.

        * expmed.c (store_bit_field_1): Use a temporary as the destination
        instead of a paradoxical subreg when we need to truncate the result.

2009-07-01  DJ Delorie  <dj@redhat.com>

        * config/mep/mep-ivc2.cpu (cmov, cmovc, cmovh): Add intrinsic
        names to VLIW variants.
        (ivc2rm, ivc2crn): Make data type consistent with non-VLIW variants.
        * config/mep/intrinsics.md: Regenerate.
        * config/mep/intrinsics.h: Regenerate.
        * config/mep/mep-intrin.h: Regenerate.

2009-07-01  Jakub Jelinek  <jakub@redhat.com>

        PR debug/40462
        * jump.c (returnjump_p): Revert last patch.
        * dwarf2out.c (dwarf2out_begin_epilogue): Handle SEQUENCEs.

2009-07-01  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        PR target/40575
        * pa.md (casesi32p): Use jump table label to determine the offset
        of the jump table.
        (casesi64p): Likewise.

        * pa.c (forward_branch_p): Return bool type.  Use instruction
        addresses when available.  Assert that INSN has a jump label.
        (pa_adjust_insn_length): Don't call forward_branch_p if INSN doesn't
        have a jump label.

2009-07-01  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/19831
        * tree-ssa-dce.c (propagate_necessity): Calls to functions
        that only act as barriers do not make any previous stores necessary.
        * tree-ssa-structalias.c (handle_lhs_call): Delay making
        HEAP variables global, do not add a constraint from nonlocal.
        (find_func_aliases): Handle escapes through return statements.
        (compute_points_to_sets): Make escaped HEAP variables global.

2009-07-01  Paolo Bonzini  <bonzini@gnu.org>

        PR bootstrap/40597
        * expmed.c (emit_store_flag): Perform a conversion if necessary,
        after reducing a DImode cstore to SImode.

2009-07-01  Paolo Bonzini  <bonzini@gnu.org>

        * expr.c (expand_expr_real_1): Reinstate fallthrough to
        TRUTH_ANDIF_EXPR if do_store_flag returns NULL.

2009-07-01  Maciej W. Rozycki  <macro@linux-mips.org>

        * config/vax/vax.h (TARGET_BSD_DIVMOD): New macro.  Set to 1.
        * config/vax/linux.h (TARGET_BSD_DIVMOD): New macro.  Redefine the
        to 0.
        * config/vax/vax.c (vax_init_libfuncs): Only redefine udiv_optab
        and umod_optab if TARGET_BSD_DIVMOD.
        * config/vax/lib1funcs.asm: New file.
        * config/vax/t-linux: New file.
        * config.gcc (vax-*-linux*): Set tmake_file to vax/t-linux.

2009-06-30  Jakub Jelinek  <jakub@redhat.com>

        PR c++/40566
        * convert.c (convert_to_integer) <case COND_EXPR>: Don't convert
        to type arguments that have void type.

        PR debug/40573
        * dwarf2out.c (gen_formal_parameter_die): Call
        equate_decl_number_to_die if node is different from origin.

2009-06-30  Anthony Green  <green@moxielogic.com>

        Clean up moxie port for --enable-build-with-cxx.
        * config/moxie/moxie.c (moxie_function_value): First two
        parameters are const_tree, not tree.
        * config/moxie/moxie.h (enum reg_class): Rename CC_REG to CC_REGS.
        (REG_CLASS_NAMES): Ditto.
        (REGNO_REG_CLASS): Ditto.
        * config/moxie/moxie-protos.h (moxie_override_options): Declare.
        (moxie_function_value): Fix constyness of arguments.

2009-06-30  Eric Botcazou  <ebotcazou@adacore.com>

        * cgraphunit.c (cgraph_finalize_compilation_unit): Call
        finalize_size_functions before further processing.
        * stor-layout.c: Include cgraph.h, tree-inline.h and tree-dump.h.
        (variable_size): Call self_referential_size on size expressions
        that contain a PLACEHOLDER_EXPR.
        (size_functions): New static variable.
        (copy_self_referential_tree_r): New static function.
        (self_referential_size): Likewise.
        (finalize_size_functions): New global function.
        * tree.c: Include tree-inline.h.
        (push_without_duplicates): New static function.
        (find_placeholder_in_expr): New global function.
        (substitute_in_expr) <tcc_declaration>: Return the replacement object
        on equality.
        <tcc_expression>: Likewise.
        <tcc_vl_exp>: If the replacement object is a constant, try to inline
        the call in the expression.
        * tree.h (finalize_size_functions): Declare.
        (find_placeholder_in_expr): Likewise.
        (FIND_PLACEHOLDER_IN_EXPR): New macro.
        (substitute_placeholder_in_expr): Update comment.
        * tree-inline.c (remap_decl): Do not unshare trees if do_not_unshare
        is true.
        (copy_tree_body_r): Likewise.
        (copy_tree_body): New static function.
        (maybe_inline_call_in_expr): New global function.
        * tree-inline.h (struct copy_body_data): Add do_not_unshare field.
        (maybe_inline_call_in_expr): Declare.
        * Makefile.in (tree.o): Depend on TREE_INLINE_H.
        (stor-layout.o): Depend on CGRAPH_H, TREE_INLINE_H, TREE_DUMP_H and
        GIMPLE_H.

2009-06-30  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-dce.c (mark_all_reaching_defs_necessary_1): Always
        continue walking.
        (propagate_necessity): Do not mark reaching defs of stores
        as necessary.

2009-06-30  Jan Hubicka  <jh@suse.cz>

        * cfgloopanal.c (check_irred): Move into ...
        (mark_irreducible_loops): ... here; return true if ireducible
        loops was found.
        * ipa-pure-const.c: Include cfgloop.h and tree-scalar-evolution.h
        (analyze_function): Try to prove loop finiteness.
        * cfgloop.h (mark_irreducible_loops): Update prototype.
        * Makefile.in (ipa-pure-const.o): Add dependency on SCEV and CFGLOOP.

2009-06-30  Basile Starynkevitch  <basile@starynkevitch.net>

        * Makefile.in (PLUGIN_HEADERS): added ggc, tree-dump, pretty-print.

2009-06-30  Ira Rosen  <irar@il.ibm.com>

        PR tree-optimization/40542
        * tree-vect-stmts.c (vect_analyze_stmt): Don't vectorize volatile
        types.

2009-06-30  Martin Jambor  <mjambor@suse.cz>

        PR tree-optimization/40582
        * tree-sra.c (build_ref_for_offset_1): Use types_compatible_p rather
        than useless_type_conversion_p.
        (generate_subtree_copies): Increment sra_stats.subtree_copies at a
        proper place.

2009-06-30  Martin Jambor  <mjambor@suse.cz>

        PR middle-end/40554
        * tree-sra.c (sra_modify_expr): Add access->offset to start_offset.

2009-06-30  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-alias.c (walk_aliased_vdefs_1): Change interface to
        use ao_ref references.
        (walk_aliased_vdefs): Likewise.
        * tree-ssa-alias.h (walk_aliased_vdefs): Adjust prototype.
        * tree-ssa-dce.c (struct ref_data): Remove.
        (mark_aliased_reaching_defs_necessary_1): Use the ao_ref argument.
        (mark_aliased_reaching_defs_necessary): Adjust.
        (mark_all_reaching_defs_necessary_1): Likewise.

2009-06-30  Paolo Bonzini  <bonzini@gnu.org>

        PR boostrap/40597
        * expmed.c (emit_cstore): New name of emit_store_flag_1.
        (emit_store_flag_1): Extract from emit_store_flag, adjust
        calls to (what now is) emit_cstore.
        (emit_store_flag): Call emit_store_flag_1 and also use it
        for what used to be recursive calls.

2009-06-30  Wei Guozhi  <carrot@google.com>

        PR/40416
        * tree-ssa-sink.c (statement_sink_location): Stop sinking expression
        if the target bb post dominates from bb.
        * config/i386/i386.c (memory_address_length): Check existence of base
        register before using it.

2009-06-30  Nick Clifton  <nickc@redhat.com>
            DJ Delorie  <dj@redhat.com>

        * config.sh/lib1funcs.h (FMOVD_WORKS): Only define if
        __FMOVD_ENABLED__ is defined.
        * config/sh/sh.h
        (TARGET_FMOVD): Provide a default definition.
        (MASK_FMOVD): Likewise.
        (TARGET_CPU_CPP_BUILTINS): Define
        __FMOVD_ENABLED__ if TARGET_FMOVD is true.
        * config/sh/sh.md (movdf_i4): For alternative 0 use either one or
        two fmov instructions depending upon whether TARGET_FMOVD is
        enabled.
        (split for DF load from memory into register): Also handle
        MEMs which consist of REG+DISP addressing.
        (split for DF store from register to memory): Likewise.
        * config/sh/sh.opt (mfmovd): Remove this switch.
        * doc/invoke.texi (-mfmovd): Remove documentation of this switch.
        * config/sh/sh.c (sh_override_options): Do not automatically
        enable TARGET_MOVD for the SH2A when supporting doubles - leave
        that to the -mfmovd command line switch.

        * config/sh/sh.c (broken_move): Do not restrict fldi test to only
        the SH4 and SH4A.
        (fldi_ok): Always allow.
        * config/sh/sh.md (movsf_ie): Always use single fp_mode.

2009-06-29  DJ Delorie  <dj@redhat.com>

        * doc/install.texi (mep-x-elf): Correct chip's full name.

2009-06-29  H.J. Lu  <hongjiu.lu@intel.com>

        * doc/extend.texi: Fix typo.

2009-06-29  Tom Tromey  <tromey@redhat.com>

        * dwarf2.h: Remove.
        * Makefile.in (DWARF2_H): New variable.
        (except.o): Use it.
        (dwarf2out.o): Likewise.
        (dwarf2asm.o): Likewise.
        * config/i386/t-i386: Use DWARF2_H.
        * except.c: Include elf/dwarf2.h.
        * unwind-dw2.c: Include elf/dwarf2.h.
        * dwarf2out.c: Include elf/dwarf2.h.
        (dw_loc_descr_struct) <dw_loc_opc>: Now a bitfield.
        <dtprel>: New field.
        (dwarf_stack_op_name): Don't handle INTERNAL_DW_OP_tls_addr.
        (size_of_loc_descr): Likewise.
        (output_loc_operands_raw): Likewise.
        (output_loc_operands): Handle new dtprel field.
        (loc_checksum): Update.
        (loc_descriptor_from_tree_1) <VAR_DDECL>: Set dtprel field.
        * unwind-dw2-fde-glibc.c: Include elf/dwarf2.h.
        * unwind-dw2-fde.c: Include elf/dwarf2.h.
        * dwarf2asm.c: Include elf/dwarf2.h.
        * unwind-dw2-fde-darwin.c: Include elf/dwarf2.h.
        * config/mmix/mmix.c: Include elf/dwarf2.h.
        * config/rs6000/darwin-fallback.c: Include elf/dwarf2.h.
        * config/xtensa/unwind-dw2-xtensa.c: Include elf/dwarf2.h.
        * config/sh/sh.c: Include elf/dwarf2.h.
        * config/i386/i386.c: Include elf/dwarf2.h.

2009-06-29  DJ Delorie  <dj@redhat.com>

        * config/mep/mep.h (CPP_SPEC): Remove __cop macro.

        * doc/extend.texi: Add MeP attributes and pragmas.
        * doc/invoke.text: Add MeP Options.
        * doc/contrib.texi: Add MeP contribution.
        * doc/md.texi: Add MeP constraints.
        * doc/install.texi: Add MeP target.

2009-06-30  Anatoly Sokolov  <aesok@post.ru>

        * target.h (struct gcc_target): Add frame_pointer_required field.
        * target-def.h (TARGET_FRAME_POINTER_REQUIRED): New.
        (TARGET_INITIALIZER): Use TARGET_FRAME_POINTER_REQUIRED.
        * ira.c (setup_eliminable_regset): Use frame_pointer_required target
        hook.
        * reload1.c (update_eliminables): (Ditto.).
        * gcc/system.h (FRAME_POINTER_REQUIRED): Poison.
        * doc/tm.texi (FRAME_POINTER_REQUIRED): Revise documentation.
        (INITIAL_FRAME_POINTER_OFFSET): (Ditto.).

        * config/arc/arc.h (FRAME_POINTER_REQUIRED): Remove macro.

        * config/arm/arm.h (FRAME_POINTER_REQUIRED): Remove macro.
        * config/arm/arm.c (TARGET_FRAME_POINTER_REQUIRED): Define.
        (arm_frame_pointer_required): New function.

        * config/avr/avr.h (FRAME_POINTER_REQUIRED): Remove macro.
        * config/avr/avr.c (TARGET_FRAME_POINTER_REQUIRED): Define macro.
        (avr_frame_pointer_required_p): Declare as static.
        * config/avr/avr-protos.h (avr_frame_pointer_required_p): Remove.

        * config/bfin/bfin.h (FRAME_POINTER_REQUIRED): Remove macro.
        * config/bfin/bfin.c (TARGET_FRAME_POINTER_REQUIRED): Define.
        (bfin_frame_pointer_required): Make as static, change return type
        to bool.
        * config/bfin/bfin-protos.h (bfin_frame_pointer_required): Remove.

        * config/cris/cris.h (FRAME_POINTER_REQUIRED): Remove macro.
        * config/cris/cris.c (TARGET_FRAME_POINTER_REQUIRED): Define macro.
        (cris_frame_pointer_required): New function.

        * config/crx/crx.h (FRAME_POINTER_REQUIRED): Remove macro.

        * config/fr30/fr30.h (FRAME_POINTER_REQUIRED): Remove macro.
        * config/fr30/fr30.c (TARGET_FRAME_POINTER_REQUIRED): Define macro.
        (fr30_frame_pointer_required): New function.

        * config/frv/frv.h (FRAME_POINTER_REQUIRED): Remove macro.
        * config/frv/frv.c (TARGET_FRAME_POINTER_REQUIRED): Define.
        (frv_frame_pointer_required): Make as static, change return type
        to bool.
        * config/bfin/bfin-protos.h (frv_frame_pointer_required): Remove.

        * config/i386/i386.h (FRAME_POINTER_REQUIRED): Remove macro.
        * config/i386/i386.c (TARGET_FRAME_POINTER_REQUIRED): Define macro.
        (ix86_frame_pointer_required): Make as static, change return type to
        bool.
        * config/i386/i386-protos.h (ix86_frame_pointer_required): Remove.

        * config/m32c/m32c.h (FRAME_POINTER_REQUIRED): Remove macro.
        * config/m32c/m32c.c (TARGET_FRAME_POINTER_REQUIRED): Define macro.

        * config/m32r/m32r.h (FRAME_POINTER_REQUIRED): Remove macro.

        * config/mcore/mcore.h (CAN_ELIMINATE): Remove macro.

        * config/mep/mep.h (FRAME_POINTER_REQUIRED): Remove macro.

        * config/mips/mips.h (FRAME_POINTER_REQUIRED): Remove macro.
        * config/mips/mips.c (TARGET_FRAME_POINTER_REQUIRED): Define macro.
        (mips_frame_pointer_required): Make as static.
        * config/mips/mips-protos.h (mips_frame_pointer_required): Remove.

        * config/mmix/mmix.h (FRAME_POINTER_REQUIRED): Remove macro.
        * config/mmix/mmix.c (TARGET_FRAME_POINTER_REQUIRED): Define macro.
        (mmix_frame_pointer_required): Mew function.

        * config/moxie/moxie.h (FRAME_POINTER_REQUIRED): Remove macro.
        * config/moxie/moxie.c (TARGET_FRAME_POINTER_REQUIRED): Define macro.

        * config/pa/pa.h (FRAME_POINTER_REQUIRED): Remove macro.

        * config/score/score.h (FRAME_POINTER_REQUIRED): Remove macro.

        * config/sh/sh.h (CAN_ELIMINATE): Remove macro.

        * config/sparc/sparc.h (FRAME_POINTER_REQUIRED): Remove macro.
        (CAN_ELIMINATE): Redefine.
        * config/sparc/sparc.c (TARGET_FRAME_POINTER_REQUIRED): Define macro.
        (sparc_frame_pointer_required): New function.
        (sparc_can_eliminate): New function.
        * config/sparc/sparc-protos.h (sparc_can_eliminate): Declare.

        * config/vax/vax.h (FRAME_POINTER_REQUIRED): Remove macro.
        * config/vax/vax.c (TARGET_FRAME_POINTER_REQUIRED): Define.

        * config/xtensa/xtensa.h (FRAME_POINTER_REQUIRED): Remove macro.
        * config/xtensa/xtensa.c (TARGET_FRAME_POINTER_REQUIRED): Define.
        (xtensa_frame_pointer_required): Make as static, change return type
        to bool.
        * config/xtensa/xtensa-protos.h (xtensa_frame_pointer_required):
        Remove.

2009-06-29  Olatunji Ruwase  <tjruwase@google.com>

        * doc/plugins.texi: Document PLUGIN_START_UNIT.
        * toplev.c (compile_file): Call PLUGIN_START_UNIT.
        * gcc-plugin.h (PLUGIN_START_UNIT): Added new event.
        * plugin.c (plugin_event_name): Added PLUGIN_START_UNIT.
        (register_callback): Handle PLUGIN_START_UNIT.
        (invoke_plugin_callbacks): Handle PLUGIN_START_UNIT.

2009-06-29  Eric Botcazou  <ebotcazou@adacore.com>

        * tree.c (process_call_operands): Propagate TREE_READONLY from the
        operands.
        (PROCESS_ARG): Do not clear TREE_READONLY if CONSTANT_CLASS_P.
        (build3_stat): Propagate TREE_READONLY for COND_EXPR.

2009-06-29  Daniel Jacobowitz  <dan@codesourcery.com>

        * config/arm/arm.h (REGISTER_MOVE_COST): Increase VFP register
        move cost.

2009-06-29  Uros Bizjak  <ubizjak@gmail.com>

        * doc/extend.texi (Additional Floating Types): __float128 is also
        supported on i386 targets.

2009-06-29  Richard Guenther  <rguenther@suse.de>

        PR middle-end/14187
        * tree-ssa-alias.h (struct pt_solution): Add vars_contains_restrict
        flag.
        (pt_solutions_same_restrict_base): Declare.
        * tree-ssa-structalias.c (struct variable_info): Add is_restrict_var
        flag.
        (new_var_info): Initialize is_global_var properly for SSA_NAMEs.
        (make_constraint_from, make_copy_constraint): Move earlier.
        (make_constraint_from_heapvar): New function.
        (make_constraint_from_restrict): Likewise.
        (handle_lhs_call): Use it.
        (find_func_aliases): Use it to track conversions to restrict
        qualified pointers.
        (struct fieldoff): Add only_restrict_pointers flag.
        (push_fields_onto_fieldstack): Initialize it.
        (create_variable_info_for): Track global restrict qualified pointers.
        (intra_create_variable_infos): Use make_constraint_from_heapvar.
        Track restrict qualified pointer arguments.
        (set_uids_in_ptset): Use varinfo is_global_var flag.
        (find_what_var_points_to): Set the vars_contains_restrict flag.
        Always create the points-to solution for sets including restrict tags.
        (pt_solutions_same_restrict_base): New function.
        * tree-ssa-alias.c (ptr_derefs_may_alias_p): For two restrict
        qualified pointers use pt_solutions_same_restrict_base as
        additional source for disambiguation.

2009-06-29  Richard Guenther  <rguenther@suse.de>

        PR middle-end/38212
        * alias.c (find_base_decl): Remove.
        (get_deref_alias_set_1): Remove restrict handling.
        * c-common.c (c_apply_type_quals_to_decl): Do not set
        DECL_POINTER_ALIAS_SET.
        * gimplify.c (find_single_pointer_decl_1): Remove.
        (find_single_pointer_decl): Likewise.
        (internal_get_tmp_var): Remove restrict handling.
        (gimple_regimplify_operands): Likewise.
        * omp-low.c (expand_omp_atomic_pipeline): Do not set
        DECL_POINTER_ALIAS_SET. Use ref-all pointers.
        * print-tree.c (print_node): Do not print DECL_POINTER_ALIAS_SET.
        * tree.c (restrict_base_for_decl): Remove.
        (init_ttree): Do not allocate it.
        (make_node_stat): Do not set DECL_POINTER_ALIAS_SET.  Set
        LABEL_DECL_UID for label decls.
        (copy_node_stat): Do not copy restrict information.
        (decl_restrict_base_lookup): Remove.
        (decl_restrict_base_insert): Likewise.
        (print_restrict_base_statistics): Likewise.
        (dump_tree_statistics): Do not call print_restrict_base_statistics.
        * tree.h (DECL_POINTER_ALIAS_SET): Remove.
        (DECL_POINTER_ALIAS_SET_KNOWN_P): Likewise.
        (struct tree_decl_common): Rename pointer_alias_set to label_decl_uid.
        (LABEL_DECL_UID): Adjust.
        (DECL_BASED_ON_RESTRICT_P): Remove.
        (DECL_GET_RESTRICT_BASE): Likewise.
        (SET_DECL_RESTRICT_BASE): Likewise.
        (struct tree_decl_with_vis): Remove based_on_restrict_p flag.

        * config/i386/i386.c (ix86_gimplify_va_arg): Use ref-all pointers
        instead of DECL_POINTER_ALIAS_SET.
        * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise.
        * config/s390/s390.c (s390_gimplify_va_arg): Likewise.
        * config/spu/spu.c (spu_gimplify_va_arg_expr): Likewise.

2009-06-29  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/40579
        * tree-vrp.c (vrp_evaluate_conditional): Bail out early if
        the IL to simplify has constants that overflowed.

2009-06-28  Uros Bizjak  <ubizjak@gmail.com>

        PR tree-optimization/40550
        * tree-vect-generic.c (expand_vector_operations_1): Compute in
        vector_compute_type only when the size of vector_compute_type is
        less than the size of type.

2009-06-28  Eric Botcazou  <ebotcazou@adacore.com>

        * fold-const.c (contains_label_1): Fix comments.
        (contains_label_p): Do not walk trees multiple time.

2009-06-28  Paolo Bonzini  <bonzini@gnu.org>

        * config/i386/i386.h (enum ix86_fpcmp_strategy): New.
        * config/i386/i386.md (cbranchxf4, cstorexf4, cbranch<MODEF>4,
        cstore<MODEF>4, mov<X87MODEF>cc): Change predicate to
        ix86_fp_comparison_operator.
        (*fp_jcc_1_mixed, *fp_jcc_1_sse, *fp_jcc_1_387, *fp_jcc_2_mixed,
        *fp_jcc_2_sse, *fp_jcc_2_387): Delete
        (*fp_jcc_3_387, *fp_jcc_4_387, *fp_jcc_5_387, *fp_jcc_6_387,
        *fp_jcc_7_387, *fp_jcc_8<MODEF>_387): Eliminate call to
        !ix86_use_fcomi_compare, change ix86_fp_jump_nontrivial_p call
        to !TARGET_CMOVE, change predicate to ix86_fp_comparison_operator.
        (related splits): Change predicate to ix86_fp_comparison_operator.
        * config/i386/predicates.md: Use ix86_trivial_fp_comparison_operator
        instead of ix86_fp_comparison_codes.
        (ix86_trivial_fp_comparison_operator,
        ix86_fp_comparison_operator): New.
        * config/i386/i386-protos.h (ix86_fp_comparison_strategy): New.
        (ix86_expand_compare): Eliminate last two parameters.
        (ix86_fp_jump_nontrivial_p): Kill.
        * config/i386/i386.c (put_condition_code): Eliminate call to
        ix86_fp_comparison_codes and subsequent assertion.
        (ix86_fp_comparison_codes): Eliminate.
        (ix86_fp_swap_condition): New.
        (ix86_fp_comparison_arithmetics_cost, ix86_fp_comparison_fcomi_cost,
        ix86_fp_comparison_sahf_cost, ix86_use_fcomi_compare): Consolidate
        into ix86_fp_comparison_cost and ix86_fp_comparison_strategy.
        (ix86_prepare_fp_compare_args): Use ix86_fp_comparison_strategy
        and ix86_fp_swap_condition.
        (ix86_expand_fp_compare): Eliminate code for second jump/bypass jump.
        Use ix86_fp_comparison_strategy.
        (ix86_expand_compare): Likewise.  Eliminate last two arguments.
        (ix86_fp_jump_nontrivial_p): Eliminate.
        (ix86_expand_branch): Treat SFmode/DFmode/XFmode as simple.  Adjust
        call to ix86_expand_compare.
        (ix86_split_fp_branch, ix86_expand_setcc,
        ix86_expand_carry_flag_compare, ix86_expand_int_movcc,
        ix86_expand_fp_movcc): Eliminate code for second jump/bypass jump.

2009-06-28  Paolo Bonzini  <bonzini@gnu.org>

        * config/arm/arm.c (arm_final_prescan_ins): Eliminate code
        related to jump_clobbers.
        * config/arm/arm.md (conds): Remove jump_clob case.
        (addsi3_cbranch, addsi3_cbranch_scratch, subsi3_cbranch, two
        splits): Change comparison_operator to arm_comparison_operator.
        (*arm_buneq, *arm_bltgt, *arm_buneq_reversed, *arm_bltgt_reversed):
        Eliminate.

2009-06-28  Paolo Bonzini  <bonzini@gnu.org>

        * dojump.c (do_compare_rtx_and_jump): Try swapping the
        condition for floating point modes.
        * expmed.c (emit_store_flag_1): Move here a bigger part
        of emit_store_flag.
        (emit_store_flag): Try swapping the condition for floating point
        modes.
        * optabs.c (emit_cmp_and_jump_insns): Cope with constant op0 better.

2009-06-28  Paolo Bonzini  <bonzini@gnu.org>

        * expr.c (expand_expr_real_1): Just use do_store_flag.
        (do_store_flag): Drop support for TRUTH_NOT_EXPR.  Use
        emit_store_flag_force.
        * expmed.c (emit_store_flag_force): Copy here trick
        previously in expand_expr_real_1.  Try reversing the comparison.
        (emit_store_flag_1): Work if target is NULL.
        (emit_store_flag): Work if target is NULL, using the result mode
        from the comparison.  Use split_comparison, restructure final part
        to simplify conditionals.

2009-06-28  Paolo Bonzini  <bonzini@gnu.org>

        * builtins.c (expand_errno_check): Use do_compare_rtx_and_jump.
        * dojump.c (do_jump): Change handling of floating-point
        ops to use just do_compare_and_jump.
        (split_comparison): New.
        (do_compare_rtx_and_jump): Add here logic coming previously
        in do_jump, using split_comparison.

2009-06-27  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/40489
        * config/ia64/ia64.c (ia64_reorg): Check NULL insn.

2009-06-27  Paolo Bonzini  <bonzini@gnu.org>

        * tree-ssa-alias.c: Fix unintentional commit.

2009-06-27  Paolo Bonzini  <bonzini@gnu.org>

        * passes.c (execute_one_pass): Fix unintentional commit.

2009-06-27  Paolo Bonzini  <bonzini@gnu.org>

        * df-problems.c (df_set_seen, df_unset_seen): Delete.
        (df_rd_local_compute, df_md_local_compute): Inline them.

        (df_md_scratch): New.
        (df_md_alloc, df_md_free): Allocate/free it.
        (df_md_local_compute): Only include live registers in init.
        (df_md_transfer_function): Prune the in-set computed by
        the confluence function, and the gen-set too.

2009-06-27  Paolo Bonzini  <bonzini@gnu.org>

        PR rtl-optimization/26854
        * timevar.def: Remove TV_DF_RU, add TV_DF_MD.
        * df-problems.c (df_rd_add_problem): Fix comment.
        (df_md_set_bb_info, df_md_free_bb_info, df_md_alloc,
        df_md_simulate_artificial_defs_at_top,
        df_md_simulate_one_insn, df_md_bb_local_compute_process_def,
        df_md_bb_local_compute, df_md_local_compute, df_md_reset,
        df_md_transfer_function, df_md_init, df_md_confluence_0,
        df_md_confluence_n, df_md_free, df_md_top_dump, df_md_bottom_dump,
        problem_MD, df_md_add_problem): New.
        * df.h (DF_MD, DF_MD_BB_INFO, struct df_md_bb_info, df_md,
        df_md_get_bb_info): New.
        (DF_LAST_PROBLEM_PLUS1): Adjust.

        * Makefile.in (fwprop.o): Include domwalk.h.
        * fwprop.c: Include domwalk.h.
        (reg_defs, reg_defs_stack): New.
        (bitmap_only_bit_between): Remove.
        (process_defs): New.
        (process_uses): Use reg_defs and local_md instead of
        bitmap_only_bit_between and local_rd.
        (single_def_use_enter_block): New, from build_single_def_use_links.
        (single_def_use_leave_block): New.
        (build_single_def_use_links): Remove code moved to
        single_def_use_enter_block, invoke domwalk.
        (use_killed_between): Adjust comment.

2009-06-27  Paolo Bonzini  <bonzini@gnu.org>

        * bitmap.h (bitmap_ior_and_into): New.
        * bitmap.c (bitmap_ior_and_into): New.

2009-06-27  Paolo Bonzini  <bonzini@gnu.org>

        * domwalk.h (struct dom_walk_data): Remove all callbacks except
        before_dom_children_before_stmts and after_dom_children_after_stmts.
        Rename the two remaining callbacks to just before_dom_children and
        after_dom_children. Remove other GIMPLE statement walking bits.
        * domwalk.c (walk_dominator_tree): Remove now unsupported features.
        * graphite.c: Do not include domwalk.h.
        * tree-into-ssa.c (interesting_blocks): New global.
        (struct mark_def_sites_global_data): Remove it and names_to_rename.
        (mark_def_sites, rewrite_stmt, rewrite_add_phi_arguments,
        rewrite_update_stmt, rewrite_update_phi_arguments): Simplify
        now that they're not domwalk callbacks.
        (rewrite_initialize_block): Rename to...
        (rewrite_enter_block): ... this, place after called functions.  Test
        interesting_blocks, call rewrite_stmt and rewrite_add_phi_arguments.
        (rewrite_finalize_block): Rename to...
        (rewrite_leave_block): ... this, place after called functions.
        (rewrite_update_init_block): Rename to...
        (rewrite_update_enter_block): ... this, place after called functions.
        Test interesting_blocks, call rewrite_update_stmt and
        rewrite_update_phi_arguments.
        (rewrite_update_fini_block): Rename to...
        (rewrite_leave_block): ... this, place after called functions.
        (rewrite_blocks): Remove last argument, simplify initialization of
        walk_data.
        (mark_def_sites_initialize_block): Rename to...
        (mark_def_sites_block): ... this, call mark_def_sites.
        (mark_def_sites_blocks): Remove argument, simplify initialization of
        walk_data.
        (rewrite_into_ssa): Adjust for interesting_blocks_being a global.
        (update_ssa): Likewise.
        * tree-ssa-dom.c (optimize_stmt): Simplify now that it's not a domwalk
        callback.
        (tree_ssa_dominator_optimize): Simplify initialization of walk_data.
        (dom_opt_initialize_block): Rename to...
        (dom_opt_enter_block): ... this, place after called functions.  Walk
        statements here, inline propagate_to_outgoing_edges.
        (dom_opt_finalize_block): Rename to...
        (dom_opt_leave_block): ... this, place after called functions.
        * tree-ssa-dse.c (dse_optimize_stmt): Simplify now that it's not a
        domwalk callback.
        (dse_enter_block, dse_record_phi): New.
        (dse_record_phis): Delete.
        (dse_finalize_block): Rename to...
        (dse_leave_block): ... this.
        (tree_ssa_dse): Simplify initialization of walk_data.
        * tree-ssa-loop-im.c (determine_invariantness, move_computations):
        Adjust initialization of walk_data.
        * tree-ssa-loop-unswitch.c: Do not include domwalk.h.
        * tree-ssa-loop-phiopt.c (get_non_trapping):
        Adjust initialization of walk_data.
        * tree-ssa-loop-threadedge.c: Do not include domwalk.h.
        * tree-ssa-uncprop.c (uncprop_into_successor_phis): Simplify now that
        it's not a domwalk callback.
        (uncprop_initialize_block): Rename to...
        (dse_enter_block): ... this, call uncprop_into_successor_phis.
        (dse_finalize_block): Rename to...
        (dse_leave_block): ... this.
        (tree_ssa_uncprop): Simplify initialization of walk_data.
        * Makefile.in: Adjust dependencies.

2009-06-27  Richard Earnshaw  <rearnsha@arm.com>

        * arm.md (casesi): Fix test for Thumb1.
        (thumb1_casesi_internal_pic): Likewise.
        (thumb1_casesi_dispatch): Likewise.

2009-06-26  Daniel Gutson  <dgutson@codesourcery.com>

        * config/arm/arm-cores.def: Added core cortex-m0.
        * config/arm/arm-tune.md: Regenerated.
        * doc/invoke.texi: Added entry for cpu ARM Cortex-M0.

2009-06-26  DJ Delorie  <dj@redhat.com>

        * config/mep/mep.opt (mfar): Remove -mfar as it doesn't do anything.

        * config/mep/mep.c (mep_bundle_insns): Account for the fact that
        the scheduler doesn't tag jump insns.

2009-06-26  H.J. Lu  <hongjiu.lu@intel.com>

        * c-decl.c (merge_decls): Re-indent.

2009-06-26  Janis Johnson  <janis187@us.ibm.com>

        PR c/39902
        * tree.c (real_zerop, real_onep, real_twop, real_minus_onep):
        Special-case decimal float constants.

2009-06-26  Richard Henderson  <rth@redhat.com>

        * function.h (struct function): Add cannot_be_copied_reason,
        and cannot_be_copied_set.
        * tree-inline.c (has_label_address_in_static_1): Rename from
        inline_forbidden_p_2; don't set inline_forbidden_reason here.
        (cannot_copy_type_1): Rename from inline_forbidden_p_op; likewise
        don't set inline_forbidden_reason.
        (copy_forbidden): New function, split out of inline_forbidden_p.
        (inline_forbidden_p_stmt): Don't check for nonlocal labels here.
        (inline_forbidden_p): Use copy_forbidden.
        (tree_versionable_function_p): Likewise.
        (inlinable_function_p): Merge into tree_inlinable_function_p.
        (tree_function_versioning): Remap cfun->nonlocal_goto_save_area.
        * ipa-cp.c (ipcp_versionable_function_p): New function.
        (ipcp_cloning_candidate_p): Use it.
        (ipcp_node_modifiable_p): Likewise.

2009-06-26  Olatunji Ruwase  <tjruwase@google.com>

        * builtins.c (expand_builtin_alloca): Handle builtin alloca
        that is marked not to be inlined. Remove flag_mudflap use.
        * tree-mudflap.c: Rename mf_xform_derefs to mf_xfrom_statements.
        (mf_xform_statements): Mark builtin alloca calls as un-inlineable.

2009-06-26  Steve Ellcey  <sje@cup.hp.com>

        PR bootstrap/40338
        * config/pa/t-pa-hpux10 (TARGET_LIBGCC2_CFLAGS): Add -frandom-seed.
        * config/pa/t-pa-hpux11 (TARGET_LIBGCC2_CFLAGS): Ditto.

2009-06-26  Kai Tietz  <kai.tietz@onevision.com>

        * config/i386/mingw-tls.c (__mingwthr_key_dtor): Remove for none
        shared libgcc.
        (__mingwthr_remove_key_dtor): Likewise.

2009-06-26  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-structalias.c (do_ds_constraint): Simplify escape handling.

2009-06-26  Steven Bosscher  <steven@gcc.gnu.org>

        PR middle-end/40525
        * ifcvt.c (dead_or_predicable): If predicating MERGE_BB fails,
        try the non-cond_exec path also.

2009-06-25  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        PR target/40468
        * pa.c (branch_to_delay_slot_p, branch_needs_nop_p): New functions.
        (output_cbranch): Use new functions.
        (output_lbranch, output_bb, output_bvb, output_dbra, output_movb):
        Likewise.

2009-06-25  Michael Meissner  <meissner@linux.vnet.ibm.com>
            Pat Haugen  <pthaugen@us.ibm.com>
            Revital Eres <ERES@il.ibm.com>

        * config/rs6000/rs6000.c (print_operand): Correct lossage message
        for %c error.  Add %x support to print VSX registers as a unified
        register set, instead of separate float and altivec registers.
        Switch to use VECTOR_MEM_ALTIVEC_P instead of TARGET_ALTIVEC for
        %y case, and add support for VSX pre-modify addresses.
        (output_toc): Add assert for CONST containing an integer constant
        in the PLUS case.
        (rs6000_adjust_cost): Add POWER7 support.
        (insn_must_be_first_in_group): Ditto.
        (insn_must_be_last_in_group): Ditto.
        (rs6000_emit_popcount): Ditto.
        (rs6000_vector_mode_supported_p): Ditto.

        * config/rs6000/rs6000-protos.h (rs6000_secondary_reload_class):
        Change some of the functions called by macros to being called
        through a pointer, so debug functions can be inserted if
        -mdebug=addr or -mdebug=cost.
        (rs6000_preferred_reload_class_ptr): Ditto.
        (rs6000_secondary_reload_class_ptr): Ditto.
        (rs6000_secondary_memory_needed_ptr): Ditto.
        (rs6000_cannot_change_mode_class_ptr): Ditto.
        (rs6000_secondary_reload_inner): Ditto.
        (rs6000_legitimize_reload_address): Ditto.
        (rs6000_legitimize_reload_address_ptr): Ditto.
        (rs6000_mode_dependent_address): Ditto.
        (rs6000_mode_dependent_address_ptr): Ditto.

        * config/rs6000/rs6000.c (reg_offset_addressing_ok_p): New
        function to return true if the mode allows reg + integer
        addresses.
        (virtual_stack_registers_memory_p): New function to return true if
        the address refers to a virtual stack register.
        (rs6000_legitimate_offset_address_p): Move code to say whether a
        mode supports reg+int addressing to reg_offset_addressing_ok_p and
        call it.
        (rs6000_legitimate_address_p): Add checks for modes that only can
        do reg+reg addressing.  Start adding VSX support.
        (rs6000_legitimize_reload_address): Ditto.
        (rs6000_legitimize_address): Ditto.
        (rs6000_debug_legitimate_address_p): New debug functions for
        -mdebug=addr and -mdebug=cost.
        (rs6000_debug_rtx_costs): Ditto.
        (rs6000_debug_address_costs): Ditto.
        (rs6000_debug_adjust_cost): Ditto.
        (rs6000_debug_legitimize_address): Ditto.
        (rs6000_legitimize_reload_address_ptr): Point to call normal
        function or debug function.  Make functions called via pointer
        static.
        (rs6000_mode_dependent_address_ptr): Ditto.
        (rs6000_secondary_reload_class_ptr): Ditto.
        (rs6000_hard_regno_mode_ok): Add preliminary VSX support.
        (rs6000_emit_move): Add -mdebug=addr support.  Change an abort
        into a friendlier error.
        (rs6000_init_builtins): Add initial VSX support.
        (rs6000_adjust_cost): Fix some spacing issues.

        * config/rs6000/rs6000.h (enum reg_class): Add VSX_REGS.
        (REG_CLASS_NAMES): Ditto.
        (REG_CLASS_CONTENTS): Ditto.
        (PREFERRED_RELOAD_CLASS): Move from a macro to calling through a
        pointer, to add -mdebug=addr support.
        (CANNOT_CHANGE_MODE_CLASS): Ditto.
        (SECONDARY_RELOAD_CLASS): Call through a pointer to add
        -mdebug=addr support.
        (LEGITIMIZE_RELOAD_ADDRESS): Ditto.
        (GO_IF_MODE_DEPENDENT_ADDRESS): Ditto.
        (enum rs6000_builtins): Add RS6000_BUILTIN_BSWAP_HI.

        * config/rs6000/rs6000.md (bswaphi*): Add support for swapping
        16-bit values.
        (bswapsi*): Set attribute types for load/store.  Add combiner
        patterns to eliminate zero extend on 64-bit.
        (bswapdi*): Add support for swapping 64-bit values.  Use ldbrx and
        stdbrx if the hardware supports those instructions.

2009-06-25  Ian Lance Taylor  <iant@google.com>

        * doc/invoke.texi (Option Summary): Mention -static-libstdc++.
        (Link Options): Document -static-libstdc++.

2009-06-25  Andrew Pinski  <andrew_pinski@playstation.sony.com>

        PR target/38731
        * config/rs6000/rs6000.c (LOCAL_ALIGNMENT): Redefine to just use
        DATA_ALIGNMENT instead.

2009-06-25  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Disambiguate
        indirect references against the callused/escaped solutions.
        (call_may_clobber_ref_p_1): Likewise.

2009-06-25  Martin Jambor  <mjambor@suse.cz>

        PR tree-optimization/40493
        * tree-sra.c (sra_modify_expr): Correct BIT_FIELD_REF argument numbers.
        (enum unscalarized_data_handling): New type.
        (handle_unscalarized_data_in_subtree): Return what has been done.
        (load_assign_lhs_subreplacements): Handle left flushes differently.
        (sra_modify_assign): Use unscalarized_data_handling, simplified
        condition determining whether to remove the statement.

2009-06-25  Basile Starynkevitch  <basile@starynkevitch.net>

        * doc/plugins.texi (Building GCC plugins): Correct typo in Makefile
        excerpt - @ should be doubled for texinfo.

2009-06-24  Ian Lance Taylor  <iant@google.com>

        * config/arc/arc.c: Include "df.h".
        (arc_attribute_table): Make static.  Move higher in file.
        (arc_address_cost): Call SMALL_INT on INTVAL, not rtx.
        (output_shift): Initialize n later to avoid warning.
        * config/arm/arm.c (arm_attribute_table): Make static.  Move
        higher in file.
        * config/avr/avr.c (avr_attribute_table): Make static.  Move
        higher in file.
        (reg_class_tab): Change array type from int to enum reg_class.
        (avr_jump_mode): Change GET_MODE to GET_CODE when checking for
        LABEL_REF.
        (out_tsthi, ashlhi3_out): Don't use AS2 with "or" or "and".
        (lshrhi3_out): Likewise.
        (class_likely_spilled_p): Change return type to bool.
        (avr_rtx_costs): Use local code variable with enum type.
        * config/avr/avr.md (movmemhi): Use add_reg_note.
        (andhi3, andsi3): Don't use AS2 with "and".
        (iorhi3, iorsi3): Don't use AS2 with "or".
        * config/avr/avr-protos.h (class_likely_spilled_p): Update declaration.
        * config/crx/crx.c: Include "df.h".
        (crx_attribute_table): Make static.
        * config/m32r/m32r.c: Include "df.h".
        (m32r_attribute_table): Make static.  Move higher in file.
        (pop): Use add_reg_note.
        (block_move_call): Change 0 to LCT_NORMAL in function call.
        * config/m32r/m32r.md (movsi_insn): Remove unused local value.
        * config/m32r/m32r.h (INITIALIZE_TRAMPOLINE): Likewise.
        * config/m32r/m32r-protos.h (m32r_compute_function_type): Always
        declare, not just when TREE_CODE is defined.
        * config/m68hc11/m68hc11.c: Include "expr.h".
        (m68hc11_attribute_table): Make static.  Move higher in file.
        (m68hc11_small_indexed_indirect_p): Change 0 to VOIDmode in
        function call.
        (m68hc11_register_indirect_p): Likewise.
        (m68hc11_function_arg_padding): Change return type to enum
        direction.
        (emit_move_after_reload): Use add_reg_note.
        (m68hc11_emit_logical): Change code parameter to enum rtx_code.
        (m68hc11_split_logical): Likewise.
        (m68hc11_rtx_costs): Add local code_and outer_code variables with
        enum type.
        * config/m68hc11/predicates.md (reg_or_some_mem_operand): Change 0
        to VOIDmode in function call.
        * config/m68hc11/m68hc11-protos.h: Don't check TREE_CODE to see if
        tree is defined.
        (m68hc11_split_logical): Update declaration.
        (m68hc11_function_arg_padding): Update declaration.
        * config/mcore/mcore.c (regno_reg_class): Change form array of int
        to array of enum reg_class.
        (mcore_attribute_table): Make static.  Move higher in file.
        (mcore_rtx_costs): Add cast to enum type.
        * config/mcore/mcore.h (regno_reg_class): Update declaration.
        (GO_IF_LEGITIMATE_INDEX): Add cast to avoid warning.
        * config/sh/sh.c (sh_attribute_table): Make static.  Move higher
        in file.
        * config/sh/predicates.md (trapping_target_operand): Rename and to
        and_expr.
        * config/sparc/sparc.c (sparc_attribute_table): Make static.  Move
        higher in file.
        * config/spu/spu.c (spu_attribute_table): Make static.  Move
        higher in file.
        * config/v850/v850.c (v850_attribute_table): Make static.  Move
        higher in file.
        (v850_rtx_costs): Use local code with enum type.
        (expand_epilogue): Add cast.
        * config/v850/v850-c.c (ghs_pragma_section): Initialize repeat.

2009-06-23  Takashi YOSHII  <yoshii.takashi@renesas.com>

        PR target/40515
        * doc/invoke.texi (SH Options): Document -m2a, -m2a-single,
        -m2a-single-only and -m2a-nofpu.
        * config/sh/sh.opt: Document m2a generates FPU code.

2009-06-24  Anatoly Sokolov  <aesok@post.ru>

        * defaults.h (CAN_ELIMINATE): Provide default.
        * doc/tm.texi (CAN_ELIMINATE): Revise documentation.
        * config/alpha/alpha.h (CAN_ELIMINATE): Delete.
        * config/m32c/m32c.h (CAN_ELIMINATE): Delete.
        * config/spu/spu.h (CAN_ELIMINATE): Delete.
        * config/xtensa/xtensa.h (CAN_ELIMINATE): Delete.
        * config/moxie/moxie.h (CAN_ELIMINATE): Delete.
        * config/cris/cris.h (CAN_ELIMINATE): Delete.
        * config/mn10300/mn10300.h (CAN_ELIMINATE): Delete.
        * config/pa/pa64-linux.h (CAN_ELIMINATE): Delete.
        * config/mmix/mmix.h (CAN_ELIMINATE): Delete.

2009-06-24  DJ Delorie  <dj@redhat.com>

        * mep-ext-cop.cpu: Fix copyright notice.
        * mep-default: Fix copyright notice.
        * mep-core: Fix copyright notice.
        * mep: Fix copyright notice.
        * mep-ivc2: Fix copyright notice.
        * mep-c5: Fix copyright notice.

2009-06-24  Denis Chertykov  <chertykov@gmail.com>

        * doc/contrib.texi (Contributors):

2009-06-24  Andreas Krebbel  <krebbel1@de.ibm.com>

        PR middle-end/40501
        * tree-ssa-math-opts.c (execute_optimize_bswap): Convert the bswap
        src and dst operands if necessary.

2009-06-23  DJ Delorie  <dj@redhat.com>

        Add MeP port.
        * config.gcc: Add mep support.
        * recog.c: Resurrect validate_replace_rtx_subexp().
        * recog.h: Likewise.
        * config/mep/: Add new port:
        * config/mep/constraints.md: New file.
        * config/mep/default.h: New file.
        * config/mep/intrinsics.h: New file.
        * config/mep/intrinsics.md: New file.
        * config/mep/ivc2-template.h: New file.
        * config/mep/mep-c5.cpu: New file.
        * config/mep/mep-core.cpu: New file.
        * config/mep/mep-default.cpu: New file.
        * config/mep/mep-ext-cop.cpu: New file.
        * config/mep/mep-intrin.h: New file.
        * config/mep/mep-ivc2.cpu: New file.
        * config/mep/mep-lib1.asm: New file.
        * config/mep/mep-lib2.c: New file.
        * config/mep/mep-pragma.c: New file.
        * config/mep/mep-protos.h: New file.
        * config/mep/mep-tramp.c: New file.
        * config/mep/mep.c: New file.
        * config/mep/mep.cpu: New file.
        * config/mep/mep.h: New file.
        * config/mep/mep.md: New file.
        * config/mep/mep.opt: New file.
        * config/mep/predicates.md: New file.
        * config/mep/t-mep: New file.

2009-06-23  Ian Lance Taylor  <iant@google.com>

        * configure.ac: Invoke AC_PROG_CXX.  Separate C specific warnings
        from loose_warn into c_loose_warn and from strict_warn into
        c_strict_warn.  Set and substitute warn_cxxflags.  Check for
        --enable-build-with-cxx.  Set and substitute
        ENABLE_BUILD_WITH_CXX.  Set and substitute HOST_LIBS.
        * Makefile.in (CXXFLAGS): New variable.
        (C_LOOSE_WARN, C_STRICT_WARN): New variables.
        (GCC_WARN_CFLAGS): Add $(C_LOOSE_WARN).  Add $(C_STRICT_WARN) if
        the default is the same as $(STRICT_WARN).
        (GCC_WARN_CXXFLAGS, WARN_CXXFLAGS): New variables.
        (CXX): New variable.
        (COMPILER): New value if ENABLE_BUILD_WITH_CXX.
        (COMPILER_FLAGS, LINKER, LINKER_FLAGS): Likewise.
        (ALL_COMPILERFLAGS, ALL_LINKERFLAGS): Likewise.
        (HOST_LIBS): New variable.
        (GCC_CFLAGS): Add $(C_LOOSE_WARN).
        (ALL_CXXFLAGS): New variable.
        (LIBS, BACKENDLIBS): Add $(HOST_LIBS).
        * doc/install.texi (Configuration): Document
        --enable-build-with-cxx, --with-stage1-ldflags,
        --with-stage1-libs, --with-boot-ldflags, --with-boot-libs.
        * configure: Rebuild.

2009-06-24  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>

        * config/arm/arm.c (arm_override_options): Fix braces and formatting
        from previous commit.

2009-06-23  Ian Lance Taylor  <iant@google.com>

        * Makefile.in ($(out_object_file)): Depend upon $(DF_H).

2009-06-23  Ian Lance Taylor  <iant@google.com>

        * reload.c (alternative_allows_const_pool_ref): Mark mem parameter
        with ATTRIBUTE_UNUSED.

2009-06-23  Michael Meissner  <meissner@linux.vnet.ibm.com>
            Pat Haugen  <pthaugen@us.ibm.com>
            Revital Eres  <eres@il.ibm.com>

        * config.in (HAVE_AS_POPCNTD): Add default definition.
        (HAVE_AS_LWSYNC): Ditto.

        * configure.ac (gcc_cv_as_powerpc_mfpgpr): Provide real binutils
        release number.
        (gcc_cv_as_powerpc_cmpb): Ditto.
        (gcc_cv_as_powerpc_dfp): Ditto.
        (gcc_cv_as_powerpc_vsx): Ditto.
        (gcc_cv_as_powerpc_popcntd): Add feature test for assembler
        supporting the popcntd/lwsync instructions.
        (gcc_cv_as_powerpc_lwsync): Ditto.
        * configure: Regenerate.

        * config/rs6000/aix53.h (ASM_CPU_SPEC): Add support for
        -mcpu=native and -mcpu=power7.
        * config/rs6000/aix61.h (ASM_CPU_SPEC): Ditto.

        * config/rs6000/linux64.opt (-mprofile-kernel): Move switch to be
        a variable instead of a mask to reduce the number of mask bits.
        * config/rs6000/sysv4.opt (-mbit-align): Ditto.
        (-mbit-word): Ditto.
        (-mregnames): Ditto.
        * config/rs6000/rs6000.opt (-mupdate): Ditto.
        (-mfused-madd): Ditto.

        * config/rs6000/rs6000.opt (-mpopcntd): New switch for non-VSX ISA
        2.06 instructions.
        (-mvsx): New switch for VSX instructions.
        (-misel): Move from a variable to a mask to allow it to be set by
        -mcpu=.

        * config/rs6000/rs6000-protos.h (rs6000_hard_regno_nregs): Change
        function declaration to an array declaration.
        (rs6000_hard_regno_nregs): New external array declaration.

        * config/rs6000/t-rs6000 (MD_INCLUDES): Define, add all of the .md
        files included by rs6000.md.

        * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Use
        SET_PROFILE_KERNEL macro to reset the -mprofile-kernel switch.

        * config/rs6000/rs6000.c (rs6000_isel): Delete, -misel moved to be
        a target mask.
        (rs6000_debug_reg): New -mdebug= variables.
        (rs6000_debug_addr): Ditto.
        (rs6000_debug_cost): Ditto.
        (rs6000_pmode): New variable to hold Pmode.
        (rs6000_pointer_size): New variable to hold POINTER_SIZE.
        (rs6000_class_max_nregs): New array to hold CLASS_MAX_NREGS
        calculated at compiler start.
        (rs6000_hard_regno_nregs): Change function to an array which holds
        HARD_REGNO_NREGS calculated at compiler start.
        (rs6000_explicit_options): Delete isel field.
        (rs6000_vector_unit): New array to hold which vector unit
        supports arithmetic options for a given type.
        (rs6000_vector_mem): New array to hold which vector unit supports
        memory reference operations for a given type.
        (rs6000_vector_align): New array to given the alignment of each
        vector type.
        (power7_cost): New basic costs for power7.
        (SET_PROFILE_KERNEL): New macro for resetting -mprofile-kernel.
        (rs6000_hard_regno_nregs_internal): New function, moved from
        HARD_REGNO_NREGS, to calculate the number of registers each hard
        register takes for each type.
        (rs6000_debug_reg_print): New function for -mdebug=reg support.
        (rs6000_debug_vector_unit): New array, map rs6000_vector to string.
        (+rs6000_init_hard_regno_mode_ok): New function, move calculation
        of HARD_REGNO_NREGS, CLASS_MAX_NREGS, REGNO_REG_CLASS, and vector
        unit information here so it is calculated once at compiler startup
        time.
        (rs6000_override_options): Make -misel a target mask.  Add more
        power7 target masks.  Setup Pmode and POINTER_SIZE.  Add initial
        VSX support.  Add support for -mdebug=reg, -mdebug=addr, and
        -mdebug=cost.
        (POWERPC_MASKS): Add MASK_POPCNTD, MASK_VSX, and MASK_ISEL.
        (rs6000_handle_option): Move -misel from variable to target mask.
        (rs6000_builtin_mask_for_load): Add VSX support.
        (rs6000_conditional_register_usage): Ditto.
        (USE_ALTIVEC_FOR_ARG_P): Ditto.
        (function_arg_boundary): Ditto.
        (rs6000_expand_builtin): Ditto.
        (def_builtin): Make abort message a little friendlier.
        (rs6000_emit_int_cmove): Add support for 64-bit isel.

        * config/rs6000/rs6000.h (ASM_CPU_POWER7_SPEC): Depend on the
        assembler support the popcntd instruction instead of a vsx
        instruction to enable power7 support.
        (ASM_CPU_SPEC): Add support for -mcpu=native and -mcpu=power7.
        (EXTRA_SPECS): Add ASM_CPU_NATIVE_SPEC to allow passing the right
        option to the assembler if -mcpu=native.
        (ASM_CPU_NATIVE_SPEC): Ditto.
        (TARGET_POPCNTD): If assembler doesn't support popcntd, turn off
        ISA 2.06 features.
        (TARGET_LWSYNC_INSTRUCTION): Define whether it is safe to issue
        the lwsync instruction.
        (enum processor_type): Add PROCESSOR_POWER7.
        (rs6000_debug_reg): New -mdebug= options.
        (rs6000_debug_addr): Ditto.
        (rs6000_debug_cost): Ditto.
        (rs6000_isel): Delete.
        (enum rs6000_vector): New enum to say what vector unit we have.
        (VECTOR_UNIT_*): New macros to say which vector unit has
        arithmetic operations for a given type.
        (VECTOR_MEM_*): New macros to say which vector unit has memory
        operations for a given type.
        (TARGET_LDBRX): Whether the machine supports the ldbrx
        instruction.
        (TARGET_ISEL): Delete, -misel moved to be a mask.
        (TARGET_ISEL64): New macro for 64-bit isel support.
        (UNITS_PER_VSX_WORD): New macro.
        (POINTER_SIZE): Move to be an external variable, rather than
        calculating whether we are generating 32 ot 64-bit code.
        (Pmode): Ditto.
        (STACK_BOUNDARY): Add VSX support.
        (LOCAL_ALIGNMENT): Ditto.
        (SLOW_UNALIGNED_ACCESS): Ditto.
        (VSX_REGNO_P): New macro for VSX support.
        (VFLOAT_REGNO_P): Ditto.
        (VINT_REGNO_P): Ditto.
        (VLOGICAL_REGNO_P): Ditto.
        (VSX_VECTOR_MODE): Ditto.
        (VSX_SCALAR_MODE): Ditto.
        (VSX_MODE): Ditto.
        (VSX_MOVE_MODE): Ditto.
        (VSX_REG_CLASS_P): Ditto.
        (HARD_REGNO_NREGS): Instead of calling a function, use an array
        lookup.
        (UNITS_PER_SIMD_WORD): Add VSX support.
        (MODES_TIEABLE_P): Ditto.
        (STARTING_FRAME_OFFSET): Ditto.
        (STACK_DYNAMIC_OFFSET): Ditto.
        (EPILOGUE_USES): Ditto.
        (REGNO_REG_CLASS): Move to array lookup.
        (CLASS_MAX_NREGS): Ditto.
        (rs6000_vector_reg_class): Add declaration.
        (ADDITIONAL_REGISTER_NAMES): Add VSX names for the registers that
        overlap with the floating point and Altivec registers.

        * config/rs6000/e500.h (CHECK_E500_OPTIONS): Disallow -mvsx.

        * config/rs6000/driver-rs6000.c (asm_names): New static array to
        give the appropriate asm switches if -mcpu=native.
        (host_detect_local_cpu): Add support for "asm".
        (host_detect_local_cpu): Follow GNU code guidelines for name.

        * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Move
        -mbit-word to a variable instead of being a target mask.

        * config/rs6000/sync.md (lwsync): If the assembler supports it,
        emit the lwsync instruction instead of emitting the instruction as
        an integer constant.

        * config/rs6000/spe.md (spe_fixuns_truncdfsi2): Rename from
        fixuns_trundfsi2, move expander into rs6000.md.

        * config/rs6000/rs6000.md (cpu): Add power7.
        (sel, *ptrsize): New mode attributes for 32/64-bit isel.
        (logical predicate patterns): Change the single instruction
        primitives that set CR0 to be fast_compare instead of compare.
        (norsi*): Ditto.
        (popcntwsi2): Add support for ISA 2.06 popcount instructions.
        (popcntddi2): Ditto.
        (popcount<mode>): Ditto.
        (floating multiply/add insns): Name the floating point
        multiply/add insns.
        (isel_signed_<mode>): Add support for -misel on 64-bit systems.
        (isel_unsigned_<mode>): Ditto.
        (fixuns_trundfsi2): Move expander here from spe.md.
        (smindi3): Define if we have -misel on 64-bit systems.
        (smaxdi3): Ditto.
        (umindi3): Ditto.
        (umaxdi3): Ditto.

2009-06-23  Anatoly Sokolov  <aesok@post.ru>

        * config.gcc (avr-*-rtems*, avr-*-*): Set extra_gcc_objs and
        extra_objs.
        * config/avr/avr.c (avr_current_device): New variable.
        (avr_arch_types, avr_mcu_types): Move to avr-deveces.c.
        (avr_arch, mcu_type_s): Move to avr.h.
        * config/avr/avr.h (base_arch_s). Add reserved2, arch_name and
        default_data_section_start fields.
        (avr_arch): Moved from avr.c.
        (mcu_type_s): Moved from avr.c. Add short_sp, data_section_start and
        library_name fields.
        (avr_current_device, avr_mcu_types, avr_arch_types,
        avr_device_to_arch, avr_device_to_data_start,
        avr_device_to_startfiles, avr_device_to_devicelib): Declare.
        (EXTRA_SPEC_FUNCTIONS): Define.
        (LINK_SPEC): Remove device name to '-m ...' and '-Tdata ...' linker
        options mapping. Use device_to_arch and device_to_data_start insted.
        (STARTFILE_SPEC): Use device_to_startfile instead of crt_binutils.
        (CRT_BINUTILS_SPECS, EXTRA_SPECS): Remove.
        * config/avr/t-avr (driver-avr.o, avr-devices.o): New rules.
        * config/avr/driver-avr.c: New file.
        * config/avr/avr-devices.c: New file.

2009-06-23  Jakub Jelinek  <jakub@redhat.com>

        * var-tracking.c (unshare_variable): Force initialized to
        be VAR_INIT_STATUS_INITIALIZED unless flag_var_tracking_uninit.
        (set_variable_part): Likewise.
        (struct variable_union_info): Remove pos_src field.
        (vui_vec, vui_allocated): New variables.
        (variable_union): Pass VAR_INIT_STATUS_UNKNOWN to unshare_variable
        unconditionally.  Avoid XCVECNEW/free for every sorting, for dst_l
        == 1 use a simpler sorting algorithm.  Compute pos field right
        away, don't fill in pos_src.  For dst_l == 2 avoid qsort.
        Avoid quadratic comparison if !flag_var_tracking_uninit.
        (variable_canonicalize): Pass VAR_INIT_STATUS_UNKNOWN to
        unshare_variable unconditionally.
        (dataflow_set_different_2): Removed.
        (dataflow_set_different): Don't traverse second hash table.
        (compute_bb_dataflow): Pass VAR_INIT_STATUS_UNINITIALIZED
        unconditionally to var_reg_set or var_mem_set.
        (emit_notes_in_bb): Likewise.
        (delete_variable_part): Pass VAR_INIT_STATUS_UNKNOWN to
        unshare_variable.
        (emit_note_insn_var_location): Don't set initialized to
        VAR_INIT_STATUS_INITIALIZED early.
        (vt_finalize): Free vui_vec if needed, clear vui_vec and
        vui_allocated.
        * rtl.c (rtx_equal_p): Don't implement on top of rtx_equal_p_cb.

        * tree-object-size.c (addr_object_size): Instead of checking
        for non-NULL TREE_CHAIN of the FIELD_DECL check that there
        are no FIELD_DECLs following it.

2009-06-23  Andreas Krebbel  <krebbel1@de.ibm.com>

        * tree-ssa-math-opts.c (find_bswap): Increase the search depth in
        order to match bswaps with signed source operands.

2009-06-23  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>

        * sdbout.c (sdbout_one_type): Fix braces in switch.

2009-06-23  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-structalias.c (struct variable_info): Add is_global_var
        member.
        (var_anything, anything_tree, var_nothing, nothing_tree, var_readonly,
        readonly_tree, var_escaped, escaped_tree, var_nonlocal, nonlocal_tree,
        var_callused, callused_tree, var_storedanything, storedanything_tree,
        var_integer, integer_tree): Remove global variables.
        (new_var_info): Do not pass new id, append the new var to the
        global variable vector.
        (do_ds_constraint): Use is_global_var member of the variable-info.
        (new_scalar_tmp_constraint_exp): Adjust.
        (create_function_info_for): Likewise.
        (create_variable_info_for): Likewise.
        (find_what_var_points_to): Remove dead code.
        (init_base_vars): Simplify.
        (compute_points_to_sets): Adjust.

2009-06-22  Adam Nemet  <anemet@caviumnetworks.com>

        * combine.c (try_combine): Dump information about the insns we're
        combining.

2009-06-22  Adam Nemet  <anemet@caviumnetworks.com>

        * combine.c (combine_simplify_rtx): Remove TRULY_NOOP_TRUNCATION
        check when calling force_to_mode on TRUNCATE's operand.

2009-06-22  Ian Lance Taylor  <iant@google.com>

        * config/rs6000/rs6000.opt: Move msched-epilog before msched-prolog.

2009-06-22  Steven Bosscher  <steven@gcc.gnu.org>

        * config/arm/arm.md (prologue_use): Set length of fake insn to 0.

2009-06-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

        * doc/invoke.texi (Link Options): -nodefaultlibs and -nostdlib
        override library linkage flags such as -static-libgcc or
        -shared-libgcc.

2009-06-22  Maxim Kuvyrkov  <maxim@codesourcery.com>

        * config/m68k/m68k-devices.def: Add line for MCF5221x.

2009-06-22  Ian Lance Taylor  <iant@google.com>

        * config/linux.opt: Put mglibc ahead of muclibc.

        * c-decl.c (diagnose_mismatched_decls): Add -Wc++-compat warning
        for duplicate decls.

2009-06-22  Matthias Klose  <doko@ubuntu.com>

        * Makefile.in (install-plugin): Remove extra `/' after $(DESTDIR).

2009-06-22  Steven Bosscher  <steven@gcc.gnu.org>

        PR objc/28050
        * c-parser.c (c_parser_objc_message_args): Return error_mark_node
        instead of NULL if a parser error occurs.

2009-06-22  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>

        * dwarf2out.c (dwarf2_debug_hooks): Initialize
        non-DWARF2_DEBUGGING_INFO version.

2009-06-22  Kai Tietz  <kai.tietz@onevision.com>

        * config.gcc (i[34567]86-*-mingw*, x86_64-*-mingw*): Add
        i386/t-fprules-softfp and soft-fp/t-softfp to tmake_file.

        * config/i386/mingw32.h (LIBGCC2_HAS_TF_MODE): Define.
        (LIBGCC2_TF_CEXT): Define.
        (TF_SIZE): Define.

2009-06-22  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>

        PR target/40463
        * config/arm/linux-eabi.h (CLEAR_INSN_CACHE): Fix definition.

2009-06-22  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>

        * config/arm/arm.c (arm_override_options): Disable
        -mcaller-super-interworking and -mcallee-super-interworking.
        * doc/invoke.texi (ARM Options): Document this.

2009-06-22  Nathan Sidwell  <nathan@codesourcery.com>

        * config/arm/arm.c (arm_print_operand): Deal with HIGH.
        * config/arm/constraints.md (j): New constraint for movw operands.
        (N): Remove thumb2 meaning.
        * config/arm/arm.md (*arm_movw): Delete.
        (*arm_movsi_insn): Use j constraint for movw instead of N constraint.
        * config/arm/vfp.md (*arm_movsi_vfp, *thumb2_movsi_vfp): Likewise.
        * config/arm/thumb2.md (*thumb2_movsi_insn): Likewise.

2009-06-22  Martin Jambor  <mjambor@suse.cz>

        PR tree-optimization/40492
        * tree-sra.c (sra_modify_assign): Pass zero offsets to
        build_ref_for_offset.

2009-06-22  Shujing Zhao  <pearly.zhao@oracle.com>

        * alias.c: Use REG_P, MEM_P, CONST_INT_P, LABEL_P, CALL_P, NOTE_P and
        JUMP_TABLE_DATA_P predicates where applicable.
        * auto-inc-dec.c: Ditto.
        * builtins.c: Ditto.
        * caller-save.c: Ditto.
        * calls.c: Ditto.
        * cfgcleanup.c: Ditto.
        * cfglayout.c: Ditto.
        * cfgrtl.c: Ditto.
        * combine.c: Ditto.
        * combine-stack-adj.c: Ditto.
        * cse.c: Ditto.
        * cselib.c: Ditto.
        * dbxout.c: Ditto.
        * df-scan.c: Ditto.
        * dse.c: Ditto.
        * dwarf2asm.c: Ditto.
        * dwarf2out.c: Ditto.
        * emit-rtl.c: Ditto.
        * except.c: Ditto.
        * explow.c: Ditto.
        * expmed.c: Ditto.
        * expr.c: Ditto.
        * final.c: Ditto.
        * function.c: Ditto.
        * fwprop.c: Ditto.
        * gcse.c: Ditto.
        * genpreds.c: Ditto.
        * genrecog.c: Ditto.
        * ifcvt.c: Ditto.
        * ira-costs.c: Ditto.
        * ira-lives.c: Ditto.
        * jump.c: Ditto.
        * loop-iv.c: Ditto.
        * lower-subreg.c: Ditto.
        * modulo-sched.c: Ditto.
        * optabs.c: Ditto.
        * postreload.c: Ditto.
        * print-rtl.c: Ditto.
        * recog.c: Ditto.
        * reginfo.c: Ditto.
        * regmove.c: Ditto.
        * reload1.c: Ditto.
        * reload.c: Ditto.
        * reorg.c: Ditto.
        * rtlanal.c: Ditto.
        * rtl.c: Ditto.
        * sched-vis.c: Ditto.
        * sdbout.c: Ditto.
        * sel-sched-ir.c: Ditto.
        * simplify-rtx.c: Ditto.
        * targhooks.c: Ditto.
        * var-tracking.c: Ditto.
        * vmsdbgout.c: Ditto.

2009-06-22  Matthias Klose  <doko@ubuntu.com>

        * Makefile.in (install-plugin): Always use DESTDIR.

2009-06-22  Olivier Hainque  <hainque@adacore.com>

        * config/pa/pa.c (output_call): Don't optimize post call jumps
        into return address adjustments if the call may throw.

2009-06-21  Richard Earnshaw  <rearnsha@arm.com>

        * arm.c (thumb1_output_casesi): New function.
        * arm.h (CASE_VECTOR_PC_RELATIVE): Thumb-1 code is also relative if
        optimizing for size or PIC.
        (CASE_VECTOR_SHORTEN_MODE): Handle thumb-1.
        * arm.md (UNSPEC_THUMB1_CASESI): New constant.
        (casesi): Handle Thumb-1 when optimizing for size or PIC.
        (thumb1_casesi_internal_pic): New expand rule.
        (thumb1_casesi_dispatch): New pattern.
        * aout.h (ASM_OUTPUT_ADDR_DIFF_ELT): Use shortened vectors for
        thumb-1 mode.
        * coff.h (JUMP_TABLES_IN_TEXT_SECTION): Thumb-1 jump tables are now
        in the text seciton when PIC or optimizing for size.
        * elf.h (JUMP_TABLES_IN_TEXT_SECTION): Likewise.
        * lib1funcs.asm ([__ARM_EABI__]): Add an attribute describing stack
        preservation properties of code.
        (__gnu_thumb1_case_sqi, __gnu_thumb1_case_uqi): New functions.
        (__gnu_thumb1_case_shi, __gnu_thumb1_case_uhi): New functions.
        (__gnu_thumb1_case_si): New function.
        * t-arm (LIB1ASMSRC): Define here.
        (LIB1ASMFUNCS): Add some common functions.
        * t-arm-elf (LIB1ASMSRC): Delete.
        (LIB1ASMFUNCS): Append to existing set.
        * t-pe (LIB1ASMSRC, LIB1ASMFUNCS): Likewise.
        * t-strongarm-elf (LIB1ASMSRC, LIB1ASMFUNCS): Likewise.
        * t-symbian (LIB1ASMFUNCS): Likewise.
        * t-vxworks (LIB1ASMSRC, LIB1ASMFUNCS): Likewise.
        * t-wince-pe (LIB1ASMSRC, LIB1ASMFUNCS): Likewise.

2009-06-21  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/38729
        * tree-ssa-loop-niter.c (find_loop_niter_by_eval): Restrict
        to loops with a single exit if -fno-expensive-optimizations.

2009-06-21  Jakub Jelinek  <jakub@redhat.com>

        * var-tracking.c (struct shared_hash_def, shared_hash): New types.
        (dataflow_set): Change vars type from htab_t to shared_hash.
        (shared_hash_pool, empty_shared_hash): New variables.
        (vars_clear): Removed.
        (shared_hash_shared, shared_hash_htab, shared_hash_copy,
        shared_hash_find_slot_unshare, shared_hash_find_slot,
        shared_hash_find_slot_noinsert, shared_hash_find): New
        static inlines.
        (shared_hash_unshare, shared_hash_destroy): New functions.
        (unshare_variable): Unshare set->vars if shared, use
        shared_hash_htab.
        (vars_copy): Use htab_traverse_noresize instead of htab_traverse.
        (get_init_value, find_src_set_src, dump_dataflow_set,
        clobber_variable_part, emit_notes_for_differences): Use
        shared_hash_htab.
        (dataflow_set_init): Remove second argument, set vars to
        empty_shared_hash instead of creating a new htab.
        (dataflow_set_clear): Call shared_hash_destroy and set vars
        to empty_shared_hash instead of calling vars_clear.
        (dataflow_set_copy): Don't call vars_copy, instead just share
        the src htab with dst.
        (variable_union): Use shared_hash_*, use initially NO_INSERT
        lookup if set->vars is shared.  Don't keep slot cleared before
        calling unshare_variable.  Unshare set->vars if needed.
        Even ->refcount == 1 vars must be unshared if set->vars is shared
        and var needs to be modified.
        (variable_canonicalize): New function.
        (dataflow_set_union): If dst->vars is empty, just share src->vars
        with dst->vars and traverse with variable_canonicalize to canonicalize
        and unshare what is needed.
        (dataflow_set_different): If old_set and new_set use the same shared
        htab, they aren't different.  If number of htab elements is different,
        htabs are different.  Use shared_hash_*.
        (dataflow_set_destroy): Call shared_hash_destroy instead of
        htab_delete.
        (compute_bb_dataflow, emit_notes_in_bb, vt_emit_notes): Don't pass
        second argument to dataflow_set_init.
        (vt_initialize): Likewise.  Initialize shared_hash_pool and
        empty_shared_hash, move bb in/out initialization afterwards.
        Use variable_htab_free instead of NULL as changed_variables del hook.
        (variable_was_changed): Change type of second argument to pointer to
        dataflow_set.  When inserting var into changed_variables, bump
        refcount.  Unshare set->vars if set is shared htab and slot needs to
        be cleared.
        (set_variable_part): Use shared_hash_*, use initially NO_INSERT
        lookup if set->vars is shared.  Unshare set->vars if needed.
        Even ->refcount == 1 vars must be unshared if set->vars is shared
        and var needs to be modified.  Adjust variable_was_changed caller.
        (delete_variable_part): Use shared_hash_*.  Even ->refcount == 1
        vars must be unshared if set->vars is shared and var needs to be
        modified.  Adjust variable_was_changed caller.
        (emit_note_insn_var_location): Don't pool_free var.
        (emit_notes_for_differences_1): Initialize empty_var->refcount to 0
        instead of 1.
        (vt_finalize): Call htab_delete on empty_shared_hash->htab and
        free_alloc_pool on shared_hash_pool.

2009-06-20  Anthony Green  <green@moxielogic.com>

        * config/moxie/sfp-machine.h (__gcc_CMPtype, CMPtype): Define.
        * config/moxie/moxie.h (LOAD_EXTEND_OP): Define.

2009-06-20  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-structalias.c (find_func_aliases): For memset use
        a constraint from NULL if we memset to zero.
        * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Add builtins
        we explicitly handle that do not read from memory.
        (call_may_clobber_ref_p_1): Properly handle builtins that may
        set errno.

2009-06-20  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/40495
        * tree-ssa-structalias.c (get_constraint_exp_for_temp): Remove.
        (new_scalar_tmp_constraint_exp): New function.
        (process_constraint): Do not create temporary decls.
        (process_all_all_constraints): Likewise.
        (handle_const_call): Likewise.
        (create_function_info_for): Do not set decl.

2009-06-19  Ian Lance Taylor  <iant@google.com>

        * config/rs6000/rs6000.c (rs6000_explicit_options): Make static.
        (rs6000_attribute_table): Make static; move before use.

2009-06-19  Eric Botcazou  <ebotcazou@adacore.com>

        * tree.c (substitute_in_expr) <COMPONENT_REF>: Tweak and reformat.
        <tcc_vl_exp>: Call process_call_operands on the new CALL_EXPR.
        Propagate the TREE_READONLY flag without overwriting it.
        (substitute_placeholder_in_expr) <tcc_vl_exp>: Likewise.
        Propagate the TREE_READONLY flag onto the result.
        (process_call_operands): Move around.  Use correct constant value.

2009-06-19  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>

        PR target/40482
        * config/arm/arm.c (thumb_shiftable_const): Truncate val to 32 bits.
        * config/arm/arm.md: Likewise.

2009-06-19  Ian Lance Taylor  <iant@google.com>

        * tree-cfg.c (gimple_redirect_edge_and_branch): Change ERROR_MARK
        to GIMPLE_ERROR_MARK.

        * c-typeck.c (build_conditional_expr): Add op1_original_type and
        op2_original_type parameters.  Warn about using different enum types.
        * c-parser.c (c_parser_conditional_expression): Pass original
        types to build_conditional_expr.
        * c-tree.h (build_conditional_expr): Update declaration.

2009-06-19  Ian Lance Taylor  <iant@google.com>

        * config/i386/i386.c (ix86_function_specific_save): Test that
        fields match values, rather than testing the values are in a
        certain range.

2009-06-19  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Handle
        ADDR_EXPR pointers.
        (ptr_derefs_may_alias_p): Likewise.
        (ptr_deref_may_alias_ref_p_1): New function.
        (ptr_deref_may_alias_ref_p): Likewise.
        (ref_maybe_used_by_call_p_1): Handle builtins that are not
        covered by looking at the ESCAPED solution.
        (call_may_clobber_ref_p_1): Likewise.
        * tree-ssa-structalias.c (get_constraint_for_ptr_offset):
        Handle NULL_TREE offset.  Do not produce redundant constraints.
        (process_all_all_constraints): New helper function.
        (do_structure_copy): Use it.
        (handle_lhs_call): Likewise.
        (find_func_aliases): Handle some builtins with pointer arguments
        and/or return values explicitly.

2009-06-19  Ian Lance Taylor  <iant@google.com>

        * varasm.c (const_rtx_hash_1): Remove const qualifier from shift.

2009-06-19  Ian Lance Taylor  <iant@google.com>

        * rtl.h (SUBREG_PROMOTED_UNSIGNED_P): Add cast to int.

2009-06-19  Ian Lance Taylor  <iant@google.com>

        * ggc-page.c (ggc_pch_write_object): Initialize emptyBytes.
        * sdbout.c (sdb_debug_hooks): Initialize non-SDB_DEBUGGING_INFO
        version.

        * c-decl.c (finish_decl): If -Wc++-compat, warn about
        uninitialized const.

2009-06-19  Ian Lance Taylor  <iant@google.com>

        * dse.c (struct store_info): Rename bitmap field to bmap.  Change
        all uses.

        * c-decl.c (in_struct, struct_types): Remove.
        (struct c_binding): Add in_struct field.
        (c_binding_ptr): Define type, along with VEC.
        (struct c_struct_parse_info): Define.
        (struct_parse_info): New static variable.
        (bind): Initialize in_struct field.
        (start_struct): Remove enclosing_in_struct and
        enclosing_struct_types parameters.  Add
        enclosing_struct_parse_info parameter.  Change all callers.  Set
        struct_parse_info rather than in_struct and struct_types.
        (grokfield): If -Wc++-compat and there is a symbol binding for the
        field name, set the in_struct flag and push it on the
        struct_parse_info->fields vector.
        (warn_cxx_compat_finish_struct): New static function.
        (finish_struct): Remove enclosing_in_struct and
        enclosing_struct_types parameters.  Add
        enclosing_struct_parse_info parameter.  Change all callers.  Don't
        set C_TYPE_DEFINED_IN_STRUCT here.  Call
        warn_cxx_compat_finish_struct.  Free struct_parse_info and set to
        parameter.  Only push on struct_types if warn_cxx_compat.
        (finish_enum): Only push on struct_types if warn_cxx_compat.
        (declspecs_add_type): Add loc parameter.  Change all callers.
        Change all error calls to error_at.  Pass loc, not input_location,
        to pedwarn calls.  Warn if -Wc++-compat and a typedef name is
        defined in a struct.  If -Wc++-compat and parsing a struct, record
        that a typedef name was used.
        * c-parser.c (c_parser_declspecs): Get location to pass to
        declspecs_add_type.
        (c_parser_struct_or_union_specifier): Update calls to start_struct
        and finish_struct.
        * c-tree.h (struct c_struct_parse_info): Declare.
        (finish_struct, start_struct): Update declarations.
        (declspecs_add_type): Update declaration.

2009-06-19  Ian Lance Taylor  <iant@google.com>

        * c-decl.c (grokdeclarator): If -Wc++-compat, warn about a global
        variable with an anonymous type.

2009-06-19  Uros Bizjak  <ubizjak@gmail.com>

        * see.c: Remove for real.

2009-06-19  Uros Bizjak  <ubizjak@gmail.com>

        * optabs.h (enum optab_index): Add new OTI_significand.
        (significand_optab): Define corresponding macro.
        * optabs.c (init_optabs): Initialize significand_optab.
        * genopinit.c (optabs): Implement significand_optab using
        significand?f2 patterns.
        * builtins.c (expand_builtin_mathfn): Handle
        BUILT_IN_SIGNIFICAND{,F,L}.
        (expand_builtin): Expand BUILT_IN_SIGNIFICAND{,F,L} using
        expand_builtin_mathfn if flag_unsafe_math_optimizations is set.

        * config/i386/i386.md (significandxf2, significand<mode>2): New
        expanders to implement significandf, significand and significandl
        built-ins as inline x87 intrinsics.

2009-06-18  Anatoly Sokolov  <aesok@post.ru>

        * config/avr/avr.c (avr_override_options): Remove setting value of
        PARAM_INLINE_CALL_COST.

2009-06-18  Richard Henderson  <rth@redhat.com>

        PR 40488
        * tree-pass.h (TDF_ASMNAME): New.
        * tree-dump.c (dump_options): Add asmname.
        * doc/invoke.texi: Document it.

        * tree-pretty-print.c (maybe_dump_asm_name): Merge into...
        (dump_decl_name): ...here.
        (dump_function_name): New flags arg; mind TDF_ASMNAME.
        (dump_generic_node): Update dump_function_name calls.
        (print_call_name): New flags arg; update all dump calls.
        * diagnostic.h (print_call_name): Update.
        * gimple-pretty-print.c (dump_gimple_call): Update.

2009-06-18  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/40470
        * config/i386/i386.h (CLASS_LIKELY_SPILLED_P): Add SSE_FIRST_REG.

2009-06-18  Diego Novillo  <dnovillo@google.com>

        * doc/plugins.texi: Document plugin_is_GPL_compatible.
        * plugin.c (str_license): Declare.
        (try_init_one_plugin): Assert that the symbol
        'plugin_is_GPL_compatible' exists.

2009-06-18  Sergei Dyshel  <sergeid@il.ibm.com>

        * see.c: Remove.
        * Makefile.in (OBJS-common): Remove see.o.
        (see.o): Remove.
        * common.opt (fsee): Mark as preserved for backward compatibility.
        * opts.c (common_handle_option): Add OPT_fsee to the backward
        compatibility section.
        * passes.c (init_optimization_passes, pass_see): Remove pass.
        * timevar.def (TV_SEE): Remove.
        * tree-pass.h (pass_see): Remove declaration.
        * doc/invoke.texi (-fsee): Remove documentation.

2009-06-18  Martin Jambor  <mjambor@suse.cz>

        * tree-sra.c: Include statistics.h
        (sra_stats): New variable.
        (sra_initialize): Clear sra_stats.
        (create_access_replacement): Increment sra_stats.replacements.
        (get_access_replacement): Do not return twice.
        (analyze_all_variable_accesses): Increment statistics counter by the
        number of scalarized aggregates.
        (generate_subtree_copies): Increment sra_stats.subtree_copies.
        (sra_modify_expr): Increment sra_stats.exprs.
        (load_assign_lhs_subreplacements): Increment sra_stats.subreplacements.
        (sra_modify_assign): Increment sra_stats.exprs,
        sra_stats.separate_lhs_rhs_handling and sra_stats.deleted.
        (perform_intra_sra): Update statistics counters.
        * Makefile.in (tree-sra.o): Add statistics.h to dependencies.

2009-06-18  Sandra Loosemore  <sandra@codesourcery.com>

        * config/arm/arm.c (TARGET_SCALAR_MODE_SUPPORTED_P): Redefine.
        (arm_scalar_mode_supported_p): New function.

2009-06-18  Paul Brook  <paul@codesourcery.com>
            Sandra Loosemore  <sandra@codesourcery.com>

        * config/arm/sfp-machine.h (_FP_NANFRAC_H, _FP_NANSIGN_H): Define.
        (__extendhfsf2, __truncsfhf2): Define.
        * config/arm/fp16.c: New file.
        * config/arm/t-bpabi (LIB2FUNCS_STATIC_EXTRA): Add fp16.c.
        * config/arm/t-symbian (LIB2FUNCS_STATIC_EXTRA):  Add fp16.c.

2009-06-18  Sandra Loosemore  <sandra@codesourcery.com>

        * doc/extend.texi (Half-Precision): New section.
        * doc/invoke.texi (Option Summary): List -mfp16-format.
        (ARM Options): List neon-fp16 as -mfpu value.  Document -mfp16-format.
        * config/arm/arm.opt (mfp16-format=): New.
        * config/arm/arm.c: Include intl.h.
        (TARGET_INVALID_PARAMETER_TYPE): Redefine.
        (TARGET_INVALID_RETURN_TYPE): Redefine.
        (TARGET_PROMOTED_TYPE): Redefine.
        (TARGET_CONVERT_TO_TYPE): Redefine.
        (arm_fp16_format): Define.
        (all_fpus): Add entry for neon-fp16.
        (fp_model_for_fpu): Likewise.
        (struct fp16_format): Declare.
        (all_fp16_formats): Define.
        (arm_init_libfuncs): Add entries for HFmode conversions and arithmetic
        functions.
        (arm_override_options): Set arm_fp16_format. Call sorry for fp16
        and no ldrh.
        (arm_legitimate_index_p): Treat HFmode like HImode.
        (thumb1_legitimate_address_p): Make it recognize HFmode constants.
        (coproc_secondary_reload_class): Special-case HFmode.
        (arm_print_operand): Add 'z' specifier for vld1.16/vst1.16.
        (arm_hard_regno_mode_ok): Allow HFmode values in VFP registers.
        (arm_init_fp16_builtins): New.
        (arm_init_builtins): Call it.
        (arm_invalid_parameter_type): New.
        (arm_invalid_return_type): New.
        (arm_promoted_type): New.
        (arm_convert_to_type).
        (arm_file_start): Deal with neon-fp16 as fpu_name.  Emit tag for fp16
        format.
        (arm_emit_fp16_const): New function.
        (arm_mangle_type): Mangle __fp16 as "Dh".
        * config/arm/arm.h (TARGET_VFPD32): Make it know about
        FPUTYPE_NEON_FP16.
        (TARGET_NEON_FP16): New.
        (TARGET_NEON): Make it know about FPUTYPE_NEON_FP16.
        (enum fputype): Add FPUTYPE_NEON_FP16.
        (enum arm_fp16_format_type): Declare.
        (arm_fp16_format): Declare.
        (LARGEST_EXPONENT_IS_NORMAL): Define.
        * config/arm/arm-protos.h (arm_emit_fp16_const): Declare.
        * config/arm/arm-modes.def (HFmode): Define.
        * config/arm/vfp.md: (*movhf_vfp): New.
        (extendhfsf2): New.
        (truncsfhf2): New.
        * config/arm/arm.md: (fpu): Add neon_fp16.
        (floatsihf2, floatdihf2): New.
        (fix_trunchfsi2, fix_trunchfdi2): New.
        (truncdfhf2): New.
        (extendhfdf2): New.
        (movhf): New.
        (*arm32_movhf): New.
        (*thumb1_movhf): New.
        (consttable_2): Add check for HFmode constants.
        (consttable_4): Handle HFmode constants.

2009-06-18  Uros Bizjak  <ubizjak@gmail.com>

        * convert.c (convert_to_integer): Convert (int)logb() into ilogb().

2009-06-17  Olivier Hainque  <hainque@adacore.com>

        * collect2.c (main): Use CONST_CAST2 to perform char ** to
        const char ** conversion in AIX specific section.

2009-06-17  H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/i386.c (ix86_special_builtin_type): Remove
        UINT64_FTYPE_PINT.  Add UINT64_FTYPE_PUNSIGNED.
        (bdesc_special_args): Updated.
        (ix86_init_mmx_sse_builtins): Likewise.
        (ix86_expand_special_args_builtin): Likewise.

2009-06-17  Richard Henderson  <rth@redhat.com>

        * tree-pretty-print.c (maybe_dump_asm_name): New.
        (dump_decl_name): Use it.
        (PRINT_FUNCTION_NAME): Merge into...
        (dump_function_name): ... here.  Use maybe_dump_asm_name.

2009-06-17  Cary Coutant  <ccoutant@google.com>

        * dbxout.c (dbxout_source_line): Add is_stmt parameter.
        Change caller.
        * debug.c (struct gcc_debug_hooks): Change placeholder for
        source_line hook.
        (debug_nothing_int_charstar_int): Replaced by...
        (debug_nothing_int_charstar_int_bool): ...this.
        * debug.h (struct gcc_debug_hooks): Add is_stmt parameter to
        source_line prototype.
        (debug_nothing_int_charstar_int): Replaced by...
        (debug_nothing_int_charstar_int_bool): ...this.
        * defaults.h (SUPPORTS_DISCRIMINATOR): New constant.
        * dwarf2out.c (dwarf2out_source_line): Add is_stmt parameter.
        Output is_stmt operand when necessary.
        * final.c (final_scan_insn): Pass is_stmt to source_line debug hook.
        (notice_source_line): Add is_stmt parameter.
        * sdbout.c (sdbout_source_line): Add is_stmt parameter.
        * vmsdbgout.c (vmsdbgout_source_line): Add is_stmt parameter.
        Change callers.
        * xcoffout.c (xcoffout_source_line): Add is_stmt parameter.
        * xcoffout.h (xcoffout_source_line): Add is_stmt parameter.

2009-06-17  Ian Lance Taylor  <iant@google.com>

        * expr.c (struct move_by_pieces_d): Rename from move_by_pieces.
        Change all uses.
        (struct store_by_pieces_d): Rename from store_by_pieces.  Change
        call uses.

2009-06-17  Adam Nemet  <anemet@caviumnetworks.com>

        * tree.h (STRIP_NOPS, STRIP_SIGN_NOPS,
        STRIP_USELESS_TYPE_CONVERSION): Use tree_strip_nop_conversions,
        tree_strip_sign_nop_conversions and
        tree_ssa_strip_useless_type_conversions rather than stripping
        the operations here.
        (tree_strip_nop_conversions, tree_strip_sign_nop_conversions):
        Declare them.
        * gimple.h (tree_ssa_strip_useless_type_conversions): Declare it.
        * tree-ssa.c (tree_ssa_strip_useless_type_conversions): New function.
        * tree.c (tree_nop_conversion, tree_sign_nop_conversion,
        tree_strip_nop_conversions, tree_strip_sign_nop_conversions): New
        functions.

2009-06-17  Michael Eager  <eager@eagercon.com>

        * config/rs6000/constraints.md (register_constraint "d"): New.
        * config/rs6000/dfp.md (movsd_store, extendsddd2, extendsdtd2,
        truncddsd2, *negdd2_fpr, *absdd2_fpr, *nabsdd2_fpr,
        *movdd_hardfloat32, *movdd_hardfloat64_mfpgpr, *movdd_hardfloat64,
        *negtd2_fp, *abstd2_fpr, *nabstd2_fpr, *movtd_internal, extendddtd2,
        trunctddd2, adddd3, addtd3, subdd3, subtd3, muldd3, multd3, divdd3,
        divtd3, *cmpdd_internal1, *cmptd_internal1, floatditd2, ftruncdd2,
        fixdddi2, ftrunctd2, fixtddi2): replace 'f' constraint with 'd'
        * config/rs6000/ppu_intrinsics.h (__mffs, __mtfsf, __mtfsfi, __fabs,
        __fnabs, __fmadd, __fmsub, __fnmadd, __fnmsub, __fsel, __frsqrte,
        __fsqrt, __fmul, __fmuls, __frsp, __fcfid, __fctid, __fctidz, __fctiw,
        __fctiwz): Same.
        * config/rs6000/rs6000.md (*extendsfdf2_fpr, *truncdfsf2_fpr,
        *fseldfsf4, *negdf2_fpr, *absdf2_fpr, *nabsdf2_fpr, *adddf3_fpr,
        *subdf3_fpr, *muldf3_fpr, *divdf3_fpr, recipdf3, fred, sqrtdf2,
        *fseldfdf4, *fselsfdf4, *floatsidf2_internal, *floatunssidf2_internal,
        *fix_truncdfsi2_internal, fix_truncdfsi2_internal_gfxopt,
        fix_truncdfsi2_mfpgpr, fctiwz, btruncdf2, ceildf2, floordf2, rounddf2,
        stfiwx, floatdidf2, fix_truncdfdi2, floatdisf2_internal1,
        *movdf_hardfloat32, *movdf_hardfloat64_mfpgpr, *movdf_hardfloat64,
        *movtf_internal, *extenddftf2_internal, trunctfdf2_internal1,
        trunctfdf2_internal2, trunctfsf2_fprs, fix_trunc_helper,
        *fix_trunctfsi2_internal, negtf2_internal, *movdi_internal32,
        *movdi_mfpgpr, *movdi_internal64, *movdf_update1, *movdf_update2,
        *cmpdf_internal1, *cmptf_internal1, *cmptf_internal2): Same.
        * doc/md.texi: Describe PowerPC 'd' constraint, update 'f' constraint.

2009-06-16  Ian Lance Taylor  <iant@google.com>

        * profile.c (total_num_never_executed): Don't define.
        (compute_branch_probabilities): Don't count or print
        num_never_executed.
        (init_branch_prob): Don't set total_num_never_executed.
        (end_branch_prob): Don't print total_num_never_executed.

2009-06-17  David Daney  <ddaney@caviumnetworks.com>

        * jump.c (cleanup_barriers): Handle case of no insns before a barrier.

2009-06-17  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/dfp.md (nabsdd2_fpr): Correct mode.
        (nabstd2_fpr): Same.

2009-06-17  Steve Ellcey  <sje@cup.hp.com>

        * expr.c (expand_assignment): Change complex type check.

2009-06-17  Basile Starynkevitch  <basile@starynkevitch.net>

        * doc/plugins.texi (Building GCC plugins): Added new section.

2009-06-17  Ian Lance Taylor  <iant@google.com>

        * c-pch.c (get_ident): Don't set size of templ array.
        (pch_init): Don't set size of partial_pch array.

        * c-typeck.c (digest_init): If -Wc++-compat, warn about using a
        string constant to intialize an array whose size is the length of
        the string.

2009-06-17  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/40389
        * tree-ssa-structalias.c (handle_rhs_call): Restrict NRV case
        to addressable types.
        * gimple.c (walk_stmt_load_store_addr_ops): Likewise.

2009-06-17  Richard Guenther  <rguenther@suse.de>

        PR middle-end/40460
        * tree-chrec.h (build_polynomial_chrec): If we cannot determine
        if there is no evolution of left in the loop bail out.
        * tree-chrec.c (chrec_fold_multiply_poly_poly): CSE one
        chrec_fold_multiply.

2009-06-16  J"orn Rennecke  <joern.rennecke@arc.com>
            Janis Johnson  <janis187@us.ibm.com>

        PR target/39254
        * config/rs6000/rs6000.c (rs6000_emit_move): Don't emit a USE
        for the symbol ref of a constant that is the source of a move
        - nor for any other not-obvious-label-ref constants.

2009-06-16  Olatunji Ruwase  <tjruwase@google.com>

        * plugin.c (position_pass): Skip newly inserted pass during list
        traversal to avoid repeated insertion.

2009-06-16  Ian Lance Taylor  <iant@google.com>

        * vec.h (VEC_stack_alloc): Define different version if
        GATHER_STATISTICS is defined, to accept and ignore MEM_STAT.
        (DEF_VEC_ALLOC_FUNC_P_STACK): Remove MEM_STAT_DECL.
        (DEF_VEC_ALLOC_FUNC_O_STACK): Likewise.
        (DEF_VEC_ALLOC_FUNC_I_STACK): Likewise.

2009-06-16  H.J. Lu  <hongjiu.lu@intel.com>

        * config.gcc (extra_headers): Add ia32intrin.h for x86.

        * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_BSRSI,
        IX86_BUILTIN_BSRDI.  IX86_BUILTIN_RDPMC, IX86_BUILTIN_RDTSC.
        IX86_BUILTIN_RDTSCP.  IX86_BUILTIN_ROLQI, IX86_BUILTIN_ROLHI,
        IX86_BUILTIN_RORQI and IX86_BUILTIN_RORHI.
        (ix86_special_builtin_type): Add UINT64_FTYPE_VOID,
        UINT64_FTYPE_PINT, INT_FTYPE_INT, UINT64_FTYPE_INT,
        INT64_FTYPE_INT64, UINT16_FTYPE_UINT16_INT and UINT8_FTYPE_UINT8_INT.
        (bdesc_special_args): Add __builtin_ia32_rdtsc and
        __builtin_ia32_rdtscp.
        (bdesc_args): Add __builtin_ia32_bsrsi, __builtin_ia32_bsrdi,
        __builtin_ia32_rolqi, __builtin_ia32_rolhi, __builtin_ia32_rorqi
        and __builtin_ia32_rorhi.
        (ix86_init_mmx_sse_builtins): Handle UINT64_FTYPE_VOID,
        UINT64_FTYPE_PINT, INT_FTYPE_INT, UINT64_FTYPE_INT,
        INT64_FTYPE_INT64, UINT16_FTYPE_UINT16_INT and UINT8_FTYPE_UINT8_INT.
        (ix86_expand_args_builtin): Likewise.
        (ix86_expand_special_args_builtin): Likewise.

        * config/i386/i386.md (UNSPECV_RDTSCP): New.
        (UNSPECV_RDTSC): Likewise.
        (UNSPECV_RDPMC): Likewise.
        (*bsr): Renamed to ...
        (bsr): This
        (*bsr_rex64): Renamed to ...
        (bsr_rex64): This.
        (rdpmc): New.
        (*rdpmc): Likewise.
        (*rdpmc_rex64): Likewise.
        (rdtsc): Likewise.
        (*rdtsc): Likewise.
        (*rdtsc_rex64): Likewise.
        (rdtscp): Likewise.
        (*rdtscp): Likewise.
        (*rdtscp_rex64): Likewise.

        * config/i386/ia32intrin.h: New.

        * config/i386/x86intrin.h: Include <ia32intrin.h>.

2009-06-16  Ian Lance Taylor  <iant@google.com>

        * ira-build.c (copy_info_to_removed_store_destinations):
        Initialize parent_a.

2009-06-16  Ian Lance Taylor  <iant@google.com>

        * c-decl.c (grokdeclarator): Change size_varies to bool.

2009-06-16  Ian Lance Taylor  <iant@google.com>

        * sel-sched.c: Make forward declarations of move_op_hooks and
        fur_hooks explicitly extern.

2009-06-16  Ian Lance Taylor  <iant@google.com>

        * df-problems.c (df_byte_lr_alloc): Don't set problem_data to itself.
        * vec.c (vec_gc_o_reserve_1): Don't set alloc to itself.

2009-06-16  Ian Lance Taylor  <iant@google.com>

        * resource.c (mark_referenced_resources): Change
        include_delayed_effects parameter to bool.  Change all callers.
        (mark_end_of_function_resources): Likewise.
        * reorg.c (insn_references_resource_p): Likewise.
        (insn_sets_resource_p): Likewise.
        * resource.h (mark_referenced_resources): Update declaration.
        (mark_end_of_function_resources): Update declaration.

2009-06-16  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/aix.h (LIBSTDCXX_STATIC): Remove -lstdc++.

2009-06-16  David Edelsohn  <edelsohn@gnu.org>

        * doc/install.texi (*-*-aix): Update explanation of XLC bootstrap.
        GCC can bootstrap on AIX with GNU Binutils 2.20.

2009-06-16  Ian Lance Taylor  <iant@google.com>

        * Makefile.in (tree-vect-stmts.o): Depend upon $(TOPLEV_H).

2009-06-16  Ian Lance Taylor  <iant@google.com>

        * toplev.h (floor_log2): If GCC_VERSION >= 3004, declare as static
        inline, not extern inline.
        (exact_log2): Likewise.
        * toplev.c (floor_log2): Only define if GCC_VERSION < 3004. Don't
        test CLZ_HWI.
        (exact_log2): Likewise, but don't test CTZ_HWI.

2009-06-16  Ian Lance Taylor  <iant@google.com>

        * bitmap.c (bitmap_clear): Don't declare as inline.
        * gimple.c (gimplify_assign): Likewise.
        * tree-ssa-sccvn.c (vn_nary_op_compute_hash): Likewise.
        * haifa-sched.c (insn_cost): Don't declare with HAIFA_INLINE.
        (sched_scan_info): Remove duplicate definition.

2009-06-16  Ian Lance Taylor  <iant@google.com>

        * c-common.c (skip_evaluation): Don't define.
        (c_inhibit_evaluation_warnings): Define global variable.
        (overflow_warning): Check c_inhibit_evaluation_warnings rather
        than skip_evaluation.
        (convert_and_check, warn_for_div_by_zero): Likewise.
        * c-common.h (skip_evaluation): Don't declare.
        (c_inhibit_evaluation_warnings): Declare.
        * c-parser.c (c_parser_typeof_specifier): Set
        c_inhibit_evaluation_warnings rather than skip_evaluation.
        (c_parser_conditional_expression): Likewise.
        (c_parser_binary_expression): Likewise.
        (c_parser_sizeof_expression): Likewise.
        (c_parser_alignof_expression): Likewise.
        * c-typeck.c (build_indirect_ref): Check
        c_inhibit_evaluation_warnings rather than skip_evaluation.
        (build_conditional_expr, build_binary_op): Likewise.

2009-06-16  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-alias.c (is_escape_site): Remove.
        * tree-ssa-alias.h (enum escape_type): Remove.
        (is_escape_site): Likewise.
        * tree-ssa-structalias.c (find_func_aliases): Handle escapes
        via casts and asms without deferring to is_escape_site.

2009-06-16  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/40446
        * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: Don't
        use gen_lowpart if op0 has complex mode.

2009-06-16  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-structalias.c (do_ds_constraint): Stores in global
        variables add them to ESCAPED.
        (find_func_aliases): Do not make all indirectly stored values escaped.

2009-06-16  Rafael Avila de Espindola  <espindola@google.com>

        * config/i386/winnt.c (i386_pe_encode_section_info): Update call to
        make_decl_one_only.

2009-06-16  Martin Jambor  <mjambor@suse.cz>

        PR tree-optimization/40432
        * tree-sra.c (sra_modify_assign): When creating VIEW_CONVERT_EXPR,
        check whether we need to force gimple register operand.

2009-06-16  Martin Jambor  <mjambor@suse.cz>

        PR tree-optimization/40413
        * tree-sra.c (load_assign_lhs_subreplacements): Pass offset to
        build_ref_for_offset.
        (propagate_subacesses_accross_link): Fix a typo in a comment.

2009-06-16  Ira Rosen  <irar@il.ibm.com>

        * tree-parloops.c (loop_parallel_p): Call vect_is_simple_reduction
        with additional parameter.
        * tree-vectorizer.h (enum vect_def_type): Add new value
        vect_nested_cycle.
        (enum vect_relevant): Add comments.
        (vect_is_simple_reduction): Add new argument.
        * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Add comments.
        Detect nested cycles.
        (vect_is_simple_reduction): Update documentation, add an argument to
        distinguish inner-loop reduction from nested cycle, detect nested
        cycles, fix printings and indentation, don't swap operands in case
        of nested cycle.
        (get_initial_def_for_reduction): Handle subtraction.
        (vect_create_epilog_for_reduction): Add new argument to specify
        reduction variable.
        (vect_finalize_reduction): Handle subtraction, fix comments.
        (vectorizable_reduction): Handle nested cycles. In case of nested
        cycle keep track of the reduction variable position. Call
        vect_is_simple_reduction with additional parameter. Use original
        statement code in reduction epilogue for nested cycle. Call
        vect_create_epilog_for_reduction with additional parameter.
        * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Assert
        inner-loop vectorization.
        (vect_recog_widen_sum_pattern): Likewise.
        * tree-vect-stmts.c (process_use): Distinguish between nested cycles
        and reductions.
        (vect_mark_stmts_to_be_vectorized): Likewise.
        (vect_get_vec_def_for_operand): Handle nested cycles.

2009-06-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

        * doc/invoke.texi (Debugging Options): Fix option index entries
        for -fdump-statistics, -frandom-seed add entries for
        -fdump-tree-original, -fdump-tree-optimized, -frandom-seed.
        (FRV Options): Fix entries for -mTLS, -mtls.
        (HPPA Options): Fix entries for -mgnu-ld, -mhp-ld.
        (i386 and x86-64 Options): Fix entry for -mno-red-zone.
        (M68hc1x Options): Fix @itemx for -mnominmax.
        (MCore Options): Fix entry for -mno-lsim.
        (MMIX Options): Fix entry for -mabi=mmixware.
        (PDP-11 Options): Fix entry for -mbcopy-builtin.

2009-06-16  Basile Starynkevitch  <basile@starynkevitch.net>

        * doc/plugins.texi (Interacting with the GCC Garbage Collector):
        Mention the plugin mode of gengtype.
        * doc/gty.texi (Source Files Containing Type Information): Likewise.
        * gengtype.c: Updated copyright.
        (plugin_files, nb_plugin_files) Added new static variables.
        (measure_input_list) Care about plugin_files.
        (write_rtx_next): Added early return in plugin mode.
        (create_file): Updated copyright year in generated file. Added
        asserts.
        (oprintf): Added early return if NULL outf.
        (get_output_file_with_visibility): Care of plugin_files.
        (get_output_file_name): May return null.
        (write_local): Added early return.
        (put_mangled_filename): Ditto.
        (finish_root_table): Added check for base_files.
        (write_roots): Care about null when plugins.
        (main): Added plugin mode.

2009-06-15  Ian Lance Taylor  <iant@google.com>

        * df-problems.c (df_simulate_one_insn_forwards): Fix braces in switch.
        * gcov.c (read_count_file): Add braces around variables declared
        before label.

        * c.opt (Wjump-misses-init): New warning.
        * c-opts.c (c_common_handle_option): Set warn_jump_misses_init for
        -Wall and -Wc++-compat if not already set.
        (c_common_post_options): Clear warn_jump_misses_init if it was not
        set.
        * c-decl.c (struct c_binding): Change type field to a union with
        new label field.  Make it the first field in the struct.  Update
        references to type to use u.type instead.
        (struct c_spot_bindings): Define.
        (struct c_goto_bindings): Define.
        (c_goto_bindings_p): Define, along with VECs.
        (struct c_label_vars): Define.
        (struct c_scope): Add has_label_bindings field.
        (bind_label, set_spot_bindings): New static functions.
        (decl_jump_unsafe, update_spot_bindings): New static functions.
        (update_label_decls): New static function.
        (pop_scope): Call update_label_decls.  Don't call c_end_vm_scope.
        Update binding u.label field to shadowed field.
        (c_binding_start_stmt_expr): New function.
        (c_binding_end_stmt_expr): New function.
        (pushdecl): Don't call c_begin_vm_scope.
        (make_label): Add defining and p_label_vars parameters.  Change
        all callers.
        (lookup_label): Correct test for whether a label has not yet been
        defined.  Call bind_label rather than bind.
        (warn_about_goto): New static function.
        (lookup_label_for_goto): New function.
        (declare_label): Call bind_label rather than bind.
        (check_earlier_gotos): New static function.
        (define_label): Don't give errors about jumping into statement
        expressions or scopes of variably modified types.  Call
        set_spot_bindings and check_earlier_gotos.  Call bind_label
        instead of bind.  Don't set label_context_stack_se or
        label_context_stack_vm.
        (c_get_switch_bindings): New function.
        (c_release_switch_bindings): New function.
        (c_check_switch_jump_warnings): New function.
        (start_function): Don't set label_context_stack_se or
        label_context_stack_vm.
        (finish_function): Likewise.
        * c-typeck.c (label_context_stack_se): Don't define.
        (label_context_stack_vm): Don't define.
        (c_finish_goto_label): Call lookup_label_for_goto rather than
        lookup_label.  Don't give errors about jumping into a statement
        expression or the scope of a variably modified type.  Don't set
        label_context_stack_se or label_context_stack_vm.
        (struct c_switch): Remove blocked_stmt_expr and blocked_vm
        fields.  Add bindings field.
        (c_start_case): Don't set deleted fields.  Set bindings field.
        (do_case): Rework order of tests.  Don't check blocked_stmt_expr
        or blocked_vm.  Call c_check_switch_jump_warnings.
        (c_finish_case): Don't test blocked_stmt_expr field.  Call
        c_release_switch_bindings.
        (c_begin_stmt_expr): Don't increment blocked_stmt_expr in
        c_switch_stack.  Don't walk label_context_stack_se labels.  Don't
        set label_context_stack_se.  Call c_bindings_start_stmt_expr.
        (c_finish_stmt_expr): Don't decrement blocked_stmt_expr in
        c_switch_stack.  Don't walk label_context_stack_se labels.  Don't
        set label_context_stack_se.  Call c_bindings_end_stmt_expr.
        (c_begin_vm_scope, c_end_vm_scope): Don't define.
        * c-tree.h (C_DECL_UNJUMPABLE_STMT_EXPR): Don't define.
        (C_DECL_UNDEFINABLE_STMT_EXPR): Don't define.
        (C_DECL_UNJUMPABLE_VM): Don't define.
        (C_DECL_UNDEFINABLE_VM): Don't define.
        (struct c_label_list): Don't define.
        (struct c_label_context_se): Don't define.
        (struct c_label_context_vm): Don't define.
        (struct c_spot_bindings): Declare.
        (c_bindings_start_stmt_expr): Declare.
        (c_bindings_end_stmt_expr): Declare.
        (lookup_label_for_goto): Declare.
        (c_get_switch_bindings, c_release_switch_bindings): Declare.
        (c_check_switch_jump_warnings): Declare.
        (label_context_stack_se, label_context_stack_vm): Don't declare.
        (c_finish_goto_label): Update declaration.
        (c_begin_vm_scope, c_end_vm_scope): Don't declare.
        * doc/invoke.texi (Option Summary): Mention -Wjump-misses-init.
        (Warning Options): Document -Wjump-misses-init.

2009-06-15  Jakub Jelinek  <jakub@redhat.com>

        * tree-object-size.c (addr_object_size): Fix a pasto in the last
        change.

2009-06-15  Rafael Avila de Espindola  <espindola@google.com>

        * cgraph.c (cgraph_make_node_local): Use DECL_COMDAT_GROUP.

2009-06-15  Aldy Hernandez  <aldyh@redhat.com>

        * except.c (init_eh): Use BUILTINS_LOCATION when calling build_decl.

2009-06-15  Aldy Hernandez  <aldyh@redhat.com>

        * tree-eh.c (lower_try_finally_switch): Initialize tf_loc.

2009-06-15  Rafael Avila de Espindola  <espindola@google.com>

        * cgraphunit.c (cgraph_function_versioning,save_inline_function_body):
        Use DECL_COMDAT_GROUP instead of DECL_ONE_ONLY.
        * cgraph.c (cgraph_create_virtual_clone): Use DECL_COMDAT_GROUP.
        * config/i386/i386.c (ix86_file_end): Compute DECL_COMDAT_GROUP.
        * dwarf2asm.c (dw2_force_const_mem): Update call to
        make_decl_one_only.
        * langhooks-def.h (lhd_comdat_group, LANG_HOOKS_COMDAT_GROUP): Remove.
        (LANG_HOOKS_DECLS): Remove LANG_HOOKS_COMDAT_GROUP.
        * langhooks.c (lhd_comdat_group): Remove.
        * langhooks.h (lang_hooks_for_decls): Remove comdat_group.
        * tree.h (DECL_COMDAT_GROUP): New.
        (DECL_ONE_ONLY): Use DECL_COMDAT_GROUP.
        (tree_decl_with_vis): Add comdat_group. Remove one_only.
        (make_decl_one_only): Change signature.
        * varasm.c (get_emutls_init_templ_addr, emutls_decl): Update call to
        make_decl_one_only.
        (make_decl_one_only): Change signature.
        (default_elf_asm_named_section): Use DECL_COMDAT_GROUP.

2009-06-15  Richard Guenther  <rguenther@suse.de>

        PR middle-end/40439
        * tree.c (widest_int_cst_value): Fix bootstrap on 32bit HWI hosts.

2009-06-14  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

        * tree-ssa-math-opts.c: Remove extra divide.

2009-06-14  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

        * config/s390/s390.md ("bswap<mode>2"): Only available on z900.

2009-06-14  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

        * passes.c: Add bswap pass.
        * tree-pass.h: Add pass_optimize_bswap declaration.
        * tree-ssa-math-opts.c: Include diagnostics.h for print_gimple_stmt.
        Include rtl.h, expr.h and optabs.h for optab_handler check.
        (struct symbolic_number, pass_optimize_bswap): New definition.
        (do_shift_rotate, verify_symbolic_number_p): New functions.
        (find_bswap_1, find_bswap, execute_optimize_bswap): New functions.
        (gate_optimize_bswap): New function.
        * tree.c (widest_int_cst_value): New function.
        * tree.h (widest_int_cst_value): Prototype added.

2009-06-14  Steven Bosscher  <steven@gcc.gnu.org>

        * cfgcleanup.c (old_insns_match_p): Remove code to substitute
        REG_EQUAL/REG_EQUIV notes.

2009-06-14  Richard Guenther  <rguenther@suse.de>

        PR middle-end/40389
        * gimple.c (walk_stmt_load_store_addr_ops): The LHS of a call
        has its address taken if NRV was applied and it is addressable.
        * tree-ssa-structalias.c (get_constraint_for_address_of): New
        function split out from ...
        (get_constraint_for_1): ... here.
        (handle_rhs_call): Use it to mark the return slot escaped if
        it is addressable and NRV was applied.

2009-06-13  Aldy Hernandez  <aldyh@redhat.com>

        * config/rs6000/rs6000-protos.h (altivec_resolve_overloaded_builtin):
        Change first argument type to location_t.
        * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin): Same.
        Do not set input_location.
        Use loc instead of input_location throughout.

2009-06-13  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/40421
        * tree-predcom.c (should_unroll_loop_p): Remove.
        (tree_predictive_commoning_loop): Use can_unroll_loop_p.

2009-06-13  Michael Meissner  <meissner@linux.vnet.ibm.com>

        * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
        Add location argument.

2009-06-13  Aldy Hernandez  <aldyh@redhat.com>

        * config/alpha/alpha.c (alpha_build_builtin_va_list): Pass location to
        build_decl.
        * config/s390/s390.c (s390_build_builtin_va_list): Same.
        (s390_gimplify_va_arg): Pass location to create_artificial_label.
        * config/spu/spu-protos.h: Add location to
        spu_resolve_overloaded_builtin.
        * config/spu/spu.c (spu_build_builtin_va_list): Pass location to
        spu_build_builtin_va_list.
        * config/spu/spu-c.c (spu_resolve_overloaded_builtin): Add location
        argument.  Pass location to build_function_call_vec.
        * config/sh/sh.c (sh_build_builtin_va_list): Pass location to
        build_decl.
        (emit_fpu_switch): Same.
        (sh_gimplify_va_arg_expr): Pass location to create_artificial_label.
        * config/xtensa/xtensa.c (xtensa_build_builtin_va_list): Pass location
        to build_decl and create_artificial_label.
        (xtensa_gimplify_va_arg_expr): Same.
        * config/stormy16/stormy16.c (xstormy16_build_builtin_va_list): Same.
        (xstormy16_gimplify_va_arg_expr): Same.
        * config/iq2000/iq2000.c (iq2000_expand_prologue): Same.
        * config/arm/arm.c (arm_build_builtin_va_list): Same.
        * config/mips/mips.c (mips_build_builtin_va_list): Same.
        (mips16_build_function_stub): Same.
        (mips16_build_call_stub): Same.

2009-06-13  Richard Earnshaw  <rearnsha@arm.com>

        PR target/40327
        * arm/constraints.md (Pa, Pb): New constraints.
        * arm/arm.md (thumb1_addsi3): Support more complex additions.  Add a
        split pattern to deal with them.

2009-06-13  Joerg Sonnenberger  <joerg@britannica.bec.de>

        * doc/invoke.texi: Add missing option -Wp,OPTION in list,
        fix index entry for -Xpreprocessor.

2009-06-12  Aldy Hernandez  <aldyh@redhat.com>

        * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
        Add location argument to build_decl call.
        * config/rs6000/rs6000.c (rs6000_build_builtin_va_list): Same.
        (rs6000_init_builtins): Same.
        (spe_init_builtins): Same.
        (rs6000_gimplify_va_arg): Add location argument to
        create_artificial_label call.

2009-06-12  Steven Bosscher  <steven@gcc.gnu.org>

        * timevar.def (TV_COMBINE_STACK_ADJUST): New timevar.
        * combine-stack-adj.c (pass_stack_adjustments): Use it.
        * Makefile.in: Fix GGC dependency for gcse.o.

2009-06-12  Aldy Hernandez  <aldyh@redhat.com>

        * tree-pretty-print.c (dump_generic_node): Dump column numbers.
        * gimple-pretty-print.c (dump_gimple_stmt): Same.
        * gimplify.c (gimplify_modify_expr): Set location for GIMPLE_ASSIGNs
        created.
        * c-parser.c (c_parser_binary_expression): Use current column while
        building binary operations.
        * common.opt (fshow-column): Enable by default.
        * tree-vrp.c (check_array_ref): Use warning_at.
        (check_array_bounds): Use location from call back if expr has no
        location.
        * tree.h: Add location argument to maybe_fold_*.
        * tree-ssa-ccp.c (ccp_fold): Pass location to maybe_fold_*.
        (maybe_fold_offset_to_array_ref): Add location argument and use it.
        (maybe_fold_offset_to_component_ref): Same.
        (maybe_fold_offset_to_reference): Same.
        (maybe_fold_offset_to_address): Same.
        (maybe_fold_stmt_indirect): Same.
        (maybe_fold_stmt_addition): Same.
        (fold_stmt_r): Pass location to maybe_fold_*.
        (fold_gimple_assign): Same.
        * c-tree.h: Add location argument to finish_decl,
        default_function_array_conversion, store_init_value.
        * c-decl.c (define_label): Use error_at.
        (c_make_fname_decl): Pass location to finish_decl.
        (finish_decl): New location argument.
        (build_compound_literal): Pass location to store_init_value.
        (grokdeclarator): Pass location to finish_decl.
        (grokfield): Same.
        * c-typeck.c (array_to_pointer_conversion): New location argument.
        (function_to_pointer_conversion): Same.
        (default_function_array_conversion): Same.
        (parser_build_unary_op): Pass location to overflow_warning.
        (parser_build_binary_op): Same.  Use warning_at.
        (build_unary_op): Pass location to array_to_pointer_conversion.
        (build_c_cast): Pass location to digest_init.
        (build_modify_expr): New location argument.
        (convert_for_assignment): Same.
        (store_init_value): Same.
        (digest_init): Same.
        (output_init_element): Pass location to digest_init and
        array_to_pointer_conversion.
        (c_finish_return): Pass location to convert_for_assignment.
        * gimplify.c (gimplify_conversion): Pass location to
        maybe_fold_offset_to_address.
        * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Pass location
        to maybe_fold_stmt_addition.
        * c-omp.c (c_finish_omp_atomic): Pass new location to
        build_modify_expr.
        (c_finish_omp_for): Same.
        * c-common.c (overflow_warning): New argument.
        * c-common.h: New argument to build_modify_expr, overflow_warning.
        * c-parser.c (c_parser_declaration_or_fndef): Pass location to
        finish_decl.
        (c_parser_initializer): Pass location to
        default_function_array_conversion.
        (c_parser_initelt): Same.
        (c_parser_initval): Same.
        (c_parser_asm_operands): Same.
        (c_parser_expr_no_commas): Same.  Pass location to build_modify_expr.
        (c_parser_conditional_expression): Same.
        (c_parser_binary_expression): Add location info to stack.  Use it.
        (c_parser_unary_expression): Pass location to
        default_function_array_conversion, parser_build_unary_op,
        build_indirect_ref, c_parser_postfix_expression_after_primary.
        (c_parser_postfix_expression_after_primary): New location argument.
        Use it.
        (c_parser_expression_conv): Pass location to
        default_function_array_conversion.
        (c_parser_expr_list): Same.
        (c_parser_omp_atomic): Same.
        (c_parser_omp_for_loop): Same.
        * c-tree.h: (struct c_declarator): Add comment to id_loc.
        (build_array_declarator): New argument.
        * c-decl.c (build_array_declarator): Add location argument.
        (grokdeclarator): Set id_loc for cdk_array.
        * c-parser.c (c_parser_direct_declarator_inner): Pass location to
        build_array_declarator.
        * tree.c (build_omp_clause): Add location argument.
        * tree.h (OMP_CLAUSE_HAS_LOCATION): New macro.
        (OMP_CLAUSE_LOCATION): New macro.
        (struct tree_omp_clause): Add location field.
        (build_omp_clause): Add argument.
        * testsuite/gcc.dg/gomp/for-1.c: Fix column.
        * cp/pt.c (tsubst_omp_for_iterator): Pass location to
        build_omp_clause.
        * cp/parser.c (cp_parser_omp_var_list_no_open): Same.
        (cp_parser_omp_clause_collapse): Same.
        (cp_parser_omp_clause_default): Same.
        (cp_parser_omp_clause_if): Same.
        (cp_parser_omp_clause_nowait): Same.
        (cp_parser_omp_clause_num_threads): Same.
        (cp_parser_omp_clause_ordered): Same.
        (cp_parser_omp_clause_schedule): Same.
        (cp_parser_omp_clause_untied): Same.
        (cp_parser_omp_for_loop): Same.
        (cp_parser_omp_parallel): Pass location to c_split_parallel_clauses.
        * c-tree.h (c_start_case): Add location argument.
        (c_process_expr_stmt): Same.
        (c_finish_goto_*): Same.
        * tree-parloops.c (initialize_reductions): Pass location to
        build_omp_clause.
        (create_parallel_loop): Same.
        * fortran/trans-openmp.c (gfc_trans_omp_variable_list): Same.
        (gfc_trans_omp_reduction_list): Same.
        (gfc_trans_omp_clauses): Same.
        (gfc_trans_omp_do): Same.
        * c-typeck.c (c_finish_goto_label): Same.
        (c_finish_goto_ptr): New location argument.
        (c_start_case): Same.
        (emit_side_effect_warnings): Same.
        (c_process_expr_stmt): Same.
        (c_finish_stmt_expr): Same.
        (c_finish_omp_clauses): Use error_at instead of error.
        * gimplify.c (gimplify_adjust_omp_clauses_1): Pass location to
        build_omp_clause.
        * c-omp.c (c_split_parallel_clauses): New location argument.
        * tree-nested.c (convert_nonlocal_reference_stmt): Pass location
        to build_omp_clause.
        (convert_local_reference_stmt): Same.
        (convert_gimple_call): Same.
        * c-common.h (c_split_parallel_clauses): New argument.
        * c-parser.c (c_parser_statement_after_labels): Pass location to
        c_finish_goto_label.
        (c_parser_switch_statement): Pass location to c_start_case.
        (c_parser_for_statement): Pass location to c_finish_expr_stmt,
        and c_process_expr_stmt.
        (c_parser_omp_variable_list): Add location argument.
        (c_parser_omp_clause_collapse): Pass location to build_omp_clause.
        (c_parser_omp_clause_default): Same.
        (c_parser_omp_clause_if): Same.
        (c_parser_omp_clause_num_threads): Same.
        (-c_parser_omp_clause_ordered): Same.
        (c_parser_omp_clause_reduction): Pass location to
        c_parser_omp_variable_list.
        (c_parser_omp_clause_schedule): Pass location to build_omp_clause.
        (c_parser_omp_clause_untied): Same.
        (c_parser_omp_for_loop): Pass location to c_process_expr_stmt.
        (c_parser_omp_parallel): Pass location to c_split_parallel_clauses.

        * c-tree.h (check_for_loop_decls, undeclared_variable,
        build_component_ref, build_array_ref, build_external_ref,
        c_expr_sizeof_expr, c_expr_sizeof_type, parser_build_unary_op,
        build_conditional_expr, build_compound_expr, c_cast_expr,
        build_c_cast, build_asm_expr, c_end_compound_stmt, c_finish_stmt_expr,
        c_finish_return, c_finish_omp_parallel, c_finish_omp_task): New
        argument.
        * c-semantics.c (build_stmt): Same.
        (build_case_label): Same.
        * c-decl.c (c_finish_incomplete_decl): Pass location on down.
        (undeclared_variable): New argument.
        (make_label): Same.
        (lookup_label): Pass location on down.
        (define_label): Same.
        (finish_decl): Same.
        (build_compound_literal): Same.
        (finish_struct): Same.
        (finish_function): Do not set location here.
        (check_for_loop_decls): New argument.
        * tree.c (save_expr): Set location.
        (build_empty_stmt): New argument.
        * tree.h (build_empty_stmt): New argument to build_empty_stmt.
        (CAN_HAVE_LOCATION_P): Make sure we have a non empty node.
        * builtins.c (gimplify_va_arg_expr): Use locations.
        (expand_builtin_sync_operation): Same.
        * c-typeck.c (build_component_ref): New argument.
        (build_array_ref): Same.
        (build_external_ref): Same.
        (c_expr_sizeof_expr): Same.
        (c_expr_sizeof_type): Same.
        (parser_build_unary_op): Same.
        (build_conditional_expr): Same.
        (build_compound_expr): Pass location on down.
        (build_compound_expr): New argument.
        (build_c_cast): Same.
        (c_cast_expr): Same.
        (build_asm_expr): Same.
        (c_finish_return): Same.
        (c_process_expr_stmt): Pass location on down.
        (c_finish_stmt_expr): New argument.
        (push_clenaup): Same.
        (c_finish_omp_parallel): Same.
        (c_finish_omp_task): Same.
        * gimplify.c (gimplify_call_expr): Pass location on down.
        * c-omp.c (c_finish_omp_master): New argument.
        (c_finish_omp_critical): Same.
        (c_finish_omp_ordered): Same.
        (c_finish_omp_barrier): Same.
        (-c_finish_omp_taskwait): Same.
        (c_finish_omp_atomic): Same.
        (c_finish_omp_flush): Same.
        * tree-inline.c (copy_tree_body_r): Pass location on down.
        (inline_forbidden_p): Remove use of input_location.
        * c-gimplify.c (c_build_bind_expr): New argument.
        * c-common.c (c_common_truthvalue_conversion): Pass location on down.
        (c_sizeof_or_alignof_type): New argument.
        (c_alignof_expr): Same.
        (build_va_arg): Same.
        (c_add_case_label): Same.
        * c-common.h (c_sizeof_or_alignof_type, c_alignof_expr,
        c_sizeof, c_alignof, build_va_arg, build_stmt, build_case_label,
        c_build_bind_expr, objc_build_selector_expr, objc_build_throw_stmt,
        c_finish_omp_master, c_finish_omp_critical, c_finish_omp_ordered,
        c_finish_omp_barrier, c_finish_omp_atomic, c_finish_omp_flush,
        c_finish_omp_taskwait, c_finish_omp_for, c_split_parallel_clauses):
        New argument.
        * stub-objc.c (objc_build_selector_expr): Same.
        (objc_build_throw_stmt): Same.
        * c-parser.c (c_parser_declaration_or_fndef): Pass location on down.
        (c_parser_initelt): Same.
        (c_parser_compound_statement): Same.
        (c_parser_compound_statement_nostart): Same.
        (c_parser_label): Same.
        (c_parser_statement_after_labels): Same.
        (c_parser_if_body): Same.
        (c_parser_else_body): Same.
        (c_parser_if_statement): Same.
        (c_parser_switch_statement): Same.
        (c_parser_while_statement): Same.
        (c_parser_do_statement): Same.
        (c_parser_for_statement): Same.
        (c_parser_asm_statement): Same.
        (c_parser_conditional_expression): Same.
        (c_parser_binary_expression): Same.
        (c_parser_cast_expression): Same.
        (c_parser_unary_expression): Same.
        (c_parser_sizeof_expression): Same.
        (c_parser_alignof_expression): Same.
        (c_parser_postfix_expression): Same.
        (c_parser_expression): Same.
        (c_parser_objc_receiver): Same.
        (c_parser_omp_variable_list): Same.
        (c_parser_omp_structured_block): Same.
        (c_parser_omp_atomic): New argument.
        (c_parser_omp_barrier): Same.
        (c_parser_omp_critical): Same.
        (c_parser_omp_flush): Pass location on down.
        (c_parser_omp_for_loop): New argument.
        (c_parser_omp_for): Same.
        (c_parser_omp_master): Same.
        (c_parser_omp_ordered): Same.
        (c_parser_omp_sections_scope): Same.
        (c_parser_omp_sections): Same.
        (c_parser_omp_parallel): Same.
        (c_parser_omp_single): Same.
        (c_parser_omp_task): Same.
        (c_parser_omp_taskwait): Pass location on down.
        (c_parser_omp_construct): Same.
        (c_parser_omp_threadprivate): Same.
        * dwarf2asm.c, targhooks.c, optabs.c, tree.c, tree.h, target.h,
        builtins.c, omp-low.c, cgraphunit.c, tree-call-cdce.c,
        tree-ssa-alias.c, gimple-low.c, c-tree.h, expr.c, tree-parloops.c,
        c-decl.c, tree-eh.c, langhooks.c, function.c, stor-layout.c,
        c-typeck.c, gimplify.c, c-pragma.c, expmed.c, except.c, coverage.c,
        emit-rtl.c, cfgexpand.c, tree-mudflap.c, varasm.c, tree-nested.c,
        rtl.h, tree-inline.c, tree-profile.c, c-common.c, c-common.h,
        tree-switch-conversion.c, tree-cfg.c, ipa-struct-reorg.c, c-parser.c,
        config/i386/i386.c, stmt.c:
        Add location argument to the following function definitions and/or
        function calls: build_decl, objcp_start_struct, objcp_finish_struct,
        start_struct, finish_struct, PUSH_FIELD, create_artificial_label,
        cp_make_fname_decl, pushtag, implicitly_declare, c_make_fname_decl,
        build_compound_literal, parser_xref_tag, resolve_overloaded_builtin,
        do_case, c_finish_bc_stmt, build_compound_literal,
        build_function_call.
        * c-decl.c (build_compound_literal): Add location argument.
        Make all diagnostic calls use location.
        (start_struct): Same.
        (finish_struct): Same.
        (start_enum): Same.
        (build_enumerator): Same.
        (start_function): Same.
        (grokdeclarator): Make all diagnostic calls use location.
        (store_parm_decls_oldstyle): Same.
        * c-typeck.c (build_function_call): Add location argument.
        Make all diagnostic calls use location.
        (do_case): Same.
        (c_finish_bc_stmt): Same.
        * tree-nested.c (get_trampoline_type): Add argument.
        Pass location to build_decl.
        (lookup_tramp_for_decl): Pass location to get_trampoline_type.
        * rtl.h (RTL_LOCATION): New.
        * c-common.c (c_add_case_label): Add location argument.
        Make all diagnostic calls use location.
        * c-common.h: Add location argument to make_fname_decl, do_case,
        c_add_case_label, build_function_call, resolve_overloaded_builtin.
        * c-parser.c (c_parser_enum_specifier): Rename ident_loc to enum_loc.
        Set it appropriately for every case.  Pass enum_loc to start_enum
        call.  Pass value_loc first to build_enumerator.  Pass enum_loc to
        parser_xref_tag.
        (c_parser_struct_or_union_specifier): Save location.  Use it for
        start_struct, finish_struct, and parser_xref_tag.

2009-06-12  Ian Lance Taylor  <iant@google.com>

        * fold-const.c (fold_unary): Rename local variable and to and_expr.

        * c-opts.c (c_common_handle_option): For -Wc++-compat set
        cpp_opts->warn_cxx_operator_names.

2009-06-12  Andrew Pinski  <andrew_pinski@playstation.sony.com>

        PR tree-opt/38865
        * tree-ssa-sccvn.c (visit_reference_op_load): If vn_reference_lookup
        is returns NULL and OP is a VCE, look through the VCE.

2009-06-12  Ian Lance Taylor  <iant@google.com>

        PR bootstrap/40430
        * collect2.c (main): Use CONST_CAST2 in code inside #if
        LINK_ELIMINATE_DUPLICATE_LDIRECTORIES.

2009-06-12  Joey Ye  <joey.ye@intel.com>

        PR middle-end/39146
        * cfgexpand.c (get_decl_align_unit): Update
        max_used_stack_slot_alignment with align instead of
        stack_alignment_needed.

        * function.c (assign_stack_local_1): Update
        max_used_stack_slot_alignment with alignment_in_bits instead
        of stack_alignment_needed.
        (locate_and_pad_parm): Don't update max_used_stack_slot_alignment
        here.

2009-06-12  Jakub Jelinek  <jakub@redhat.com>

        * dwarf2out.c (last_var_location_insn): New variable.
        (dwarf2out_end_epilogue): Clear last_var_location_insn.
        (dwarf2out_var_location): Don't record anything after last real
        insn.  Only change labels if there were any real instructions
        in between last note and this one, or if changed sections.

2009-06-11  Richard Henderson  <rth@redhat.com>

        * alpha.c (alpha_expand_prologue): Add a REF_CFA_REGISTER
        note when storing the frame pointer in a register.
        (FRP): Don't redefine to nothing for epilogue.
        (alpha_expand_epilogue): Mark register and sp restores.
        (unicosmk_gen_dsib): Don't mark weird frame pointer adjust.

        * config/alpha/alpha.c (alpha_emit_setcc): Fix test for
        when gen_lowpart is needed.

2009-06-11  Richard Henderson  <rth@redhat.com>

        * dwarf2out.c (def_cfa_1): Likewise for DW_CFA_cfa_offset.

        * dwarf2out.c (need_data_align_sf_opcode): New.
        (div_data_align): Move earlier.
        (def_cfa_1, reg_save): Use it.

2009-06-11  H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/i386.c (OPTION_MASK_ISA_CRC32_SET): New.
        (OPTION_MASK_ISA_CRC32_UNSET): Likewise.
        (ix86_handle_option): Handle OPT_mcrc32.
        (ix86_target_string): Add -mcrc32.
        (bdesc_args): Enable crc32 builtins with OPTION_MASK_ISA_CRC32.

        * config/i386/i386.h (TARGET_CRC32): New.

        * config/i386/i386.md (sse4_2_crc32<mode>): Also check TARGET_CRC32.
        (sse4_2_crc32di): Likewise.

        * config/i386/i386.opt (mcrc32): New.

        * doc/invoke.texi: Document -mcrc32.

2009-06-11  Richard Henderson  <rth@redhat.com>

        * common.opt (gdwarf-): Accept a version number.
        * doc/invoke.texi (gdwarf-): Update docs.
        * opth-gen.awk: Special case -gdwarf+ to OPT_gdwarfplus.
        * opts.c (common_handle_option) [OPT_gdwarf_]: Verify dwarf
        version level, and record it.

        * dwarf2.h (DW_CIE_VERSION): Remove.
        * dwarf2out.c (DWARF_VERSION): Remove.
        (add_fde_cfi): Skip DW_CFA_set_loc addition for dwarf3.
        (output_call_frame_info): Use CIE version 3 for dwarf3,
        or if the return register column is out of range for version 1.
        (dwarf_stack_op_name): Add all dwarf3 values.
        (DEBUG_PUBTYPES_SECTION): New.
        (size_of_die) [dw_val_class_die_ref]: Handle DW_FORM_ref_addr
        encoding change for dwarf3.
        (output_die) [dw_val_class_die_ref]: Likewise.
        (output_compilation_unit_header): Emit correct version for dwarf3.
        (output_line_info): Likewise.
        (output_pubnames): Update for DWARF_VERSION removal.
        (output_aranges): Likewise.
        (gen_subprogram_die): Emit DW_OP_call_frame_cfa if emitting dwarf3.
        (dwarf2out_init): Don't ifdef DEBUG_PUBTYPES_SECTION.
        (dwarf2out_finish): Likewise.

2009-06-11  David Daney  <ddaney@caviumnetworks.com>

        * system.h (gcc_assert, gcc_unreachable): Revert accidental commit
        in r148403.

2009-06-11  David Daney  <ddaney@caviumnetworks.com>

        PR c/39252
        * doc/extend.texi ( __builtin_unreachable): Document new builtin.
        * builtins.c (expand_builtin_unreachable): New function.
        (expand_builtin): Handle BUILT_IN_UNREACHABLE case.
        * builtins.def (BUILT_IN_UNREACHABLE): Add new builtin.
        * cfgcleanup.c (try_optimize_cfg): Delete empty blocks with no
        successors.
        * cfgrtl.c (rtl_verify_flow_info): Handle empty blocks when
        searching for missing barriers.

2009-06-11  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>

        * config/darwin.h (LINK_COMMAND_SPEC): Adjust spec to link libcov
        when -fprofile-generate* was passed.
        * config/darwin9.h (LINK_COMMAND_SPEC): Likewise.

2009-06-11  Anthony Green  <green@moxielogic.com>

        * config/moxie/moxie.md: Define length attribute for all instructions.
        (rCC): Define.
        (*b<cond:code>): Support limited branch ranges for new PC-relative
        branch instructions.
        * config/moxie/moxie.h (HAS_LONG_UNCOND_BRANCH): Define.

2009-06-11  Jakub Jelinek  <jakub@redhat.com>

        * config/i386/i386.c (min_insn_size): Use get_attr_length
        for normal insns other than TYPE_MULTI, TYPE_OTHER and TYPE_FCMP.
        For __asm return 0.

        * config/i386/i386.c (ix86_pad_returns): Use emit_jump_insn_before
        instead of emit_insn_before.

2009-06-10  Ian Lance Taylor  <iant@google.com>

        PR bootstrap/40408
        * graphite.c (add_conditions_to_domain): Change SWITCH_EXPR to
        GIMPLE_SWITCH.

2009-06-10  Revital Eres  <eres@il.ibm.com>

        * passes.c (init_optimization_passes): Reschedule
        predictive-commoning pass before complete unroll pass.

2009-06-10  Martin Jambor  <mjambor@suse.cz>

        * cgraph.c (cgraph_node_can_be_local_p): New function.
        (cgraph_make_node_local): New function.
        * cgraph.h (cgraph_node_can_be_local_p): Declare.
        (cgraph_make_node_local): Declare.

2009-06-10  Nathan Froyd  <froydnj@codesourcery.com>

        * tree.h (tree_base): Add packed_flag and user_align fields.
        Decrease size of spare field.
        (TYPE_USER_ALIGN): Use user_align from tree_base.
        (DECL_USER_ALIGN): Likewise.
        (TYPE_PACKED): Use packed_flag from tree_base.
        (DECL_PACKED): Likewise.
        (tree_type): Delete packed_flag and user_align fields.  Widen
        precision field.  Widen mode field and shuffle fields to align
        mode on an 8-bit boundary.
        (tree_decl_common): Delete decl_flag_1 and user_align fields.
        Renumber decl_flag_* fields.  Fix comments.  Widen
        decl_common_unused field.
        (DECL_HAS_VALUE_EXPR_P): Adjust for renumbering of decl_flag_* fields.
        (DECL_EXTERNAL): Likewise.
        (DECL_BIT_FIELD): Likewise.
        (DECL_NONADDRESSABLE_P): Likewise.
        (TYPE_DECL_SUPRESS_DEBUG): Likewise.
        * config/arm/arm-modes.def (XImode): Make it an INT_MODE.

2009-06-10  Ian Lance Taylor  <iant@google.com>

        * vec.h (DEF_VEC_ALLOC_I): Use DEF_VEC_NONALLOC_FUNCS_I.
        (DEF_VEC_ALLOC_P): Use DEF_VEC_NONALLOC_FUNCS_P.
        (DEF_VEC_ALLOC_O): Use DEF_VEC_NONALLOC_FUNCS_O.
        (DEF_VEC_ALLOC_FUNC_P): Only define VEC_OP (T,A,alloc).
        (DEF_VEC_NONALLOC_FUNCS_P): New macro, broken out of old
        DEF_VEC_ALLOC_FUNC_P.
        (DEF_VEC_ALLOC_FUNC_O): Only define VEC_OP (T,A,alloc).
        (DEF_VEC_NONALLOC_FUNCS_O): New macro, broken out of old
        DEF_VEC_ALLOC_FUNC_O.
        (DEF_VEC_ALLOC_FUNC_I): Only define VEC_OP (T,A,alloc).
        (DEF_VEC_NONALLOC_FUNCS_I): New macro, broken out of old
        DEF_VEC_ALLOC_FUNC_I.
        (vec_stack_p_reserve, vec_stack_p_reserve_exact): Declare.
        (vec_stack_p_reserve_exact_1): Declare.
        (vec_stack_o_reserve, vec_stack_o_reserve_exact): Declare.
        (vec_stack_free): Declare.
        (VEC_stack_alloc): Define.
        (DEF_VEC_ALLOC_P_STACK, DEF_VEC_ALLOC_FUNC_P_STACK): Define.
        (DEF_VEC_ALLOC_O_STACK, DEF_VEC_ALLOC_FUNC_O_STACK): Define.
        (DEF_VEC_ALLOC_I_STACK, DEF_VEC_ALLOC_FUNC_I_STACK): Define.
        * vec.c (void_p): New type.  Call DEF_VEC_P and DEF_VEC_ALLOC_P
        for void_p.
        (stack_vecs): New static variable.
        (vec_stack_p_reserve_exact_1): New function.
        (vec_stack_o_reserve_1): New static function.
        (vec_stack_p_reserve, vec_stack_p_reserve_exact): New functions.
        (vec_stack_o_reserve, vec_stack_o_reserve_exact): New functions.
        (vec_stack_free): New function.
        * df-scan.c (df_ref): Use DEF_VEC_P and DEF_VEC_ALLOC_P_STACK.
        (VEC_df_ref_stack_alloc): Define.
        (df_mw_hardreg_ptr): New type.  Use DEF_VEC_P and
        DEF_VEC_ALLOC_P_STACK.
        (VEC_df_mw_hardreg_ptr_stack_alloc): Define.
        (struct df_collection_rec): Change _vec fields to VEC.  Remove
        _use fields.
        (df_free_collection_rec): Adjust for new fields.
        (df_insn_rescan): Use new df_collection_rec fields.
        (df_notes_rescan, df_canonize_collection_rec): Likewise.
        (df_ref_create_structure, df_ref_record): Likewise.
        (df_get_conditional_uses, df_get_call_refs): Likewise.
        (df_insn_refs_collect, df_bb_refs_collect): Likewise.
        (df_bb_refs_record, df_record_entry_block_defs): Likewise.
        (df_record_exit_block_uses, df_bb_verify): Likewise.
        (df_swap_refs): Change ref_vec parameter to VEC.  Change all callers.
        (df_sort_and_compress_refs): Change ref_vec parameter to VEC.
        Remove count parameter.  Change return type to void.  Change all
        callers.
        (df_sort_and_compress_mws): Change mw_vec parameter to VEC.
        Remove count parameter.  Change return type to void.  Change all
        callers.
        (df_install_refs): Change old_vec parameter to VEC.  Remove count
        parameter.  Change all callers.
        (df_install_mws): Change old_vec parameter to VEC.  Remove count
        parameter.  Change all callers.
        (df_refs_verify): Change new_rec parameter to VEC.  Change call
        callers.
        (df_mws_verify): Likewise.

2009-06-10  Alexandre Oliva  <aoliva@redhat.com>

        * gcc.c (compare_files): Cast munmap argumento to caddr_t.

2009-06-10  H.J. Lu  <hongjiu.lu@intel.com>

        * doc/extend.texi: Add description for __builtin_ia32_crc32di.

2009-06-10  Anthony Green  <green@moxielogic.com>

        * config/moxie/crti.asm: New file.
        * config/moxie/crtn.asm: New file.
        * config/moxie/moxie.c: New file.
        * config/moxie/moxie.h: New file.
        * config/moxie/sfp-machine.h: New file.
        * config/moxie/moxie-protos.h: New file.
        * config/moxie/t-moxie: Created.
        * config/moxie/t-moxie-softfp: Created.
        * config/moxie/moxie.md: Created.
        * config/moxie/constraints.md: Created.
        * config.gcc: Add moxie support.
        * doc/md.texi (Machine Constraints): Add moxie constraints.
        * doc/contrib.texi (Contributors): Mention moxie port.
        * doc/install.texi (Specific): Mention the moxie port.

2009-06-09  Ian Lance Taylor  <iant@google.com>

        * system.h (HAVE_DESIGNATED_INITIALIZERS): Don't define if
        compiling with C++.
        * optabs.c (optab_table): Only use designated initializers if
        HAVE_DESIGNATED_INITIALIZERS is defined.
        (convert_optab_table): Likewise.
        (init_optabs): Always call init_insn_codes if
        HAVE_DESIGNATED_INITIALIZERS is not defined.

2009-06-09  Ian Lance Taylor  <iant@google.com>

        * targhooks.c (default_builtin_vectorized_function): Change fn
        parameter to unsigned int.
        (default_builtin_vectorized_conversion): Change code parameter to
        unsigned int.
        (default_builtin_reciprocal): Change fn parameter to unsigned int.
        * targhooks.h: Update declarations.
        * config/rs6000/rs6000.c (rs6000_builtin_conversion): Change code
        parameter to unsigned int.

        * c-typeck.c (comptypes_check_enum_int): New static function.
        (comptypes_internal): Add enum_and_int_p parameter.  Change all
        callers.
        (comp_target_types): Add location parameter.  Change all callers.
        (tagged_types_tu_compatible_p): Add enum_and_int_p parameter.
        Change all callers.
        (function_types_compatible_p, type_lists_compatible_p): Likewise.
        (build_conditional_expr): Add colon_loc parameter.  Change all
        callers.
        (convert_for_assignment): Add location parameter.  Change all callers.
        * c-parser.c (c_parser_conditional_expression): Pass location of
        colon to build_conditional_expr.
        * c-tree.h (build_conditional_expr): Update declaration.

2009-06-09  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite.c: Revert previous patch.

2009-06-09  Sebastian Pop  <sebastian.pop@amd.com>

        PR bootstrap/40103
        * graphite.c: Remove pragma GCC diagnostic warning "-Wc++-compat".

2009-06-09  Ghassan Shobaki  <ghassan.shobaki@amd.com>

        * tree-ssa-loop-prefetch.c
        (loop_prefetch_arrays): Fixed a portability problem in printf format
        string.

2009-06-09  Martin Jambor  <mjambor@suse.cz>

        PR tree-optimization/40351
        * tree-sra.c (propagate_subacesses_accross_link): Check that a
        refrence to a potential artifical subaccess can be constructed.

2009-06-08  Kaz Kojima  <kkojima@gcc.gnu.org>

        * config/sh/sh-protos.h (sh_optimization_options): Declare.
        (sh_override_options): Likewise.
        * config/sh/sh.c: Include params.h.
        (sh_optimization_options): New.
        (sh_override_options): Likewise.
        * config/sh/sh.c (OPTIMIZATION_OPTIONS): Use sh_optimization_options.
        (OVERRIDE_OPTIONS): Use sh_override_options.

2009-06-08  Jakub Jelinek  <jakub@redhat.com>

        * dwarf2out.c (emit_cfa_remember): New variable.
        (add_fde_cfi): If emit_cfa_remember, recurse to add
        DW_CFA_remember_state first.
        (dwarf2out_begin_epilogue): Don't add_fde_cfi DW_CFA_remember_state,
        instead just set emit_cfa_remember.

2009-06-08  Jan Hubicka  <jh@suse.cz>

        PR debug/40126
        * dwarf2out.c (dwarf2out_abstract_function): Free decl_loc_table.

2009-06-08  Jan Hubicka  <jh@suse.cz>

        PR middle-end/39834
        * cgraphunit.c (save_inline_function_body): Do not copy transform
        hooks for saved inline bodies.
        * ipa-passes.c (do_per_function): Do not add the hoks multiple times
        for given function.

2009-06-08  Adam Nemet  <anemet@caviumnetworks.com>

        * jump.c (returnjump_p): Handle delayed branches.  Add missing
        function comment.

2009-06-08  Jan Hubicka  <jh@suse.cz>

        PR middle-end/40102
        * cgraph.c (cgraph_create_edge_including_clones): Also asume that the
        original node might've been modified.
        * tree-inline.c (copy_bb): Do not assume that all clones are the same.

2009-06-08  Jakub Jelinek  <jakub@redhat.com>

        * tree-object-size.c (addr_object_size): Add OSI argument.
        Handle also INDIRECT_REF with SSA_NAME inside of it as base address.
        (compute_builtin_object_size, expr_object_size): Adjust callers.
        (plus_stmt_object_size): Call addr_object_size instead of
        compute_builtin_object_size.

2009-06-08  Ghassan Shobaki  <ghassan.shobaki@amd.com>
            Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>

        * tree-ssa-loop-prefetch.c
        (gather_memory_references): Introduced a counter for the number of
        memory references.
        (anything_to_prefetch_p): Introduced a counter for the number of
        prefetches.
        (is_loop_prefetching_profitable): New function with a cost model
        for prefetching.
        (loop_prefetch_arrays): Use the new cost model to determine if
        prefetching is profitable.
        * params.def (MIN_INSN_TO_PREFETCH_RATIO,
        PREFETCH_MIN_INSN_TO_MEM_RATIO): New parameters.
        * params.h (MIN_INSN_TO_PREFETCH_RATIO,
        PREFETCH_MIN_INSN_TO_MEM_RATIO): New parameters.
        * doc/invoke.texi (MIN_INSN_TO_PREFETCT_RATIO,
        PREFETCH_MIN_INSN_TO_MEM_RATIO): New parameters.

2009-06-08  Michael Matz  <matz@suse.de>

        PR debug/40012
        * cfgexpand.c (set_rtl): Store place also in DECL_RTL, if all
        partitions use the same.
        (expand_one_var): Deal with DECL_RTL sometimes begin set also
        for basevars of SSA_NAMEs.
        (expand_used_vars): Reset TREE_USED for basevars of SSA_NAMEs,
        to not expand them twice.
        (gimple_expand_cfg): Clear DECL_RTL for those decls that have
        multiple places.

2009-06-08  Alexandre Oliva  <aoliva@redhat.com>

        * common.opt (fcompare-debug=, fcompare-debug-second): New.
        (fdump-final-insns=, gtoggle): New.
        * doc/invoke.texi: Document them.
        * final.c (rest_of_clean_state): Dump final insn stream.
        * gcc.c (invoke_as): Hook in -fcompare-debug.
        (static_spec_functions): Add compare-debug-dump-opt,
        compare-debug-self-opt and compare-debug-auxbase-opt.
        (compare_debug, compare_debug_second, compare_debug_opt): New.
        (switches_debug_check, n_switches_debug_check): New.
        (debug_auxbase_opt, debug_check_temp_file): New.
        (process_command): Handle -fno-compare-debug, -fcompare-debug and
        -fcompare-debug=*.
        (do_self_spec): Handle arguments after switches.
        (do_spec_1): Add .gk extension to temp file basenames for compare.
        (check_live_switch): Take SWITCH_IGNORE into account, and earlier.
        (cc1_options): Use it instead of normal auxbase computation for
        the second compare-debug compilation.
        (compare_files): New.
        (main): Set up and implement compare debug mode.
        (compare_debug_dump_opt_spec_function): New.
        (compare_debug_self_opt_spec_function): New.
        (compare_debug_auxbase_opt_spec_function): New.
        * toplev.c (process_options): Handle flag_gtoggle,
        flag_dump_final_insns.
        * coverage.c (coverage_begin_output): Don't overwrite .gcno file
        during -fcompare-debug-second compilation.

2009-06-07  Ian Lance Taylor  <iant@google.com>

        * dwarf2.h (enum dwarf_location_atom): Add INTERNAL_DW_OP_tls_addr.
        * dwarf2out.c (INTERNAL_DW_OP_tls_addr): Don't #define.

        * c-common.c (c_do_switch_warnings): Don't exit early for -Wswitch
        with no default node.  Change warning with %H to warning_at.
        Don't clear warn_switch around case checking.
        * doc/invoke.texi (Warning Options): Clarify distinction between
        -Wswitch and -Wswitch-enum.

2009-06-07  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>

        * tree-pass.h (TODO_update_ssa_any): Document internal use only.

2009-06-07  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>

        * gbl-ctors.h: Add header guard.

2009-06-07  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>

        * tree-flow.h (make_value_handle, set_value_handle, sort_vuses,
        sort_vuses_heap, vn_lookup_or_add, vn_lookup_or_add_with_stmt,
        vn_lookup_or_add_with_vuses, vn_add, vn_add_with_vuses,
        vn_lookup_with_stmt, vn_lookup, vn_lookup_with_vuses): Remove
        prototypes for removed functions.
        (expressions_equal_p): Move to ...
        * tree-ssa-sccvn.h: ... here and ...
        * matrix-reorg.c: ... adjust includes.

2009-06-07  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>

        * ipa-struct-reorg.c (do_reorg_1): Fix whitespace in dump output.

2009-06-07  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>

        * c-decl.c (finish_decl): Use bool for variable was_incomplete.
        (finish_function): Remove erroneous whitespace.

2009-06-07  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>

        * tree-cfg.c (gimple_merge_blocks): Commentary typo fix.
        (verify_stmts): Print statement who's gimple_bb is set to a wrong BB

2009-06-07  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>

        * errors.c (internal_error): Commentary typo fix.
        * gimple-iterator.c (gsi_insert_seq_on_edge): Ditto.
        * tree-ssa-pre.c: Ditto.

2009-06-07  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>

        * basic-block.h (ENTRY_BLOCK, EXIT_BLOCK): Document that neither of
        them is supposed to hold actual statements.

2009-06-06  Ian Lance Taylor  <iant@google.com>

        * doc/extend.texi (Attribute Syntax): Document that C++ labels on
        empty statements can now have attributes.

2009-06-05  Shujing Zhao  <pearly.zhao@oracle.com>

        * config/mips/mips.c: Use REG_P and CONST_INT_P where applicable.
        * config/mips/mips.md: Ditto.

2009-06-05  Nathan Froyd  <froydnj@codesourcery.com>

        * config/rs6000/eabi.asm (__eabi_convert): Don't define if
        _RELOCATABLE.
        (__eabi_uconvert): Likewise.

2009-06-05  Nathan Froyd  <froydnj@codesourcery.com>

        * config/rs6000/ppc-asm.h: Protect auto-host.h inclusion and
        CFI_* definitions with IN_GCC.

2009-06-05  David Edelsohn  <edelsohn@gnu.org>

        * xcoffout.h (xcoffout_source_line): Update prototype.

2009-06-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * builtins.c (do_mpc_ckconv, do_mpc_arg1): Use
        mpc_realref/mpc_imagref instead of MPC_RE/MPC_IM.

2009-06-05  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/40340
        * tree-ssa-live.c (remove_unused_scope_block_p): Don't prune
        inlined_function_outer_scope_p blocks for artificial inlines
        even at -g0/-g1.
        * tree.c (tree_nonartificial_location): Rewrite using
        block_nonartificial_location.

2009-06-05  Revital Eres  <eres@il.ibm.com>
            Leehod Baruch  <leehod@il.ibm.com>

        * expr.c (expand_assignment): Expand MISALIGNED_INDIRECT_REF.
        (expand_expr_real_1): Remove comment.
        * tree-vect-data-refs.c (vect_enhance_data_refs_alignment):
        Vectorize misaligned access when the target supports it.
        (vect_supportable_dr_alignment): Check for unaligned access support.
        * tree-vect-stmts.c (vectorizable_store): Generate misaligned store
        and remove asset.

2009-06-05  Julian Brown  <julian@codesourcery.com>

        * config/arm/ieee754-df.S (cmpdf2): Avoid writing below SP.
        * config/arm/ieee754-sf.S (cmpsf2): Likewise.

2009-06-05  Richard Guenther  <rguenther@suse.de>

        PR bootstrap/40350
        * dwarf2out.c (dwarf2out_begin_function): Mark discriminator
        as possibly unused.

2009-06-05  Jakub Jelinek  <jakub@redhat.com>

        * config/s390/s390.c (global_not_special_regno_p): New static inline.
        (save_gprs): Don't tell unwinder when a global register is saved.
        (s390_emit_epilogue): Emit needed epilogue unwind info.

2009-06-05  Alexandre Oliva  <aoliva@redhat.com>

        * dwarf2out.c (deferred_asm_name): New.
        (add_name_and_src_coords_attributes): Defer creation of
        DW_AT_MIPS_linkage_name attribute if DECL_ASSEMBLER_NAME was not
        computed yet.
        (move_linkage_attr): New.
        (dwarf2out_finish): Revisit deferrals and emit attributes at the
        right place.

2009-06-05  Alexandre Oliva  <aoliva@redhat.com>

        * tree-nested.c (finalize_nesting_tree_1): Declare the
        frame_decl in the binding tree.

2009-06-04  Cary Coutant  <ccoutant@google.com>

        * basic-block.h (struct basic_block_def): Add discriminator field.
        * dbxout.c (dbxout_source_line): Add new parameter.  Change all
        callers.
        * debug.c (do_nothing_debug_hooks): Add additional entry.
        (debug_nothing_int_charstar_int): New function.
        * debug.h (struct gcc_debug_hooks): Add parameter to source_line hook.
        (debug_nothing_int_charstar_int): New declaration.
        * dwarf2out.c (dwarf2out_source_line): Add new parameter.  Write
        discriminator value in .loc directive.
        * final.c (last_discriminator): New variable.
        (discriminator): New variable.
        (final_start_function): Initialize above variables, pass current
        discriminator to debug hook.
        (notice_source_line): Check for discriminator change.
        * gimple-pretty-print.c (dump_bb_header): Print discriminator value.
        * sdbout.c (sdbout_source_line): New parameter.
        * tree-cfg.c (struct locus_discrim_map): New structure type.
        (discriminator_per_locus): New hash table.
        (build_gimple_cfg): Allocate and free discriminator hash table.
        (make_edges): Call assign_discriminator.
        (locus_map_hash): New function.
        (locus_map_eq): New function.
        (next_discriminator_for_locus): New function.
        (same_line_p): New function.
        (assign_discriminator): New function.
        (make_cond_expr_edges): Call assign_discriminator.
        (make_gimple_switch_edges): Likewise.
        (first_non_label_stmt): New function.
        * vmsdbgout.c (vmsdbgout_source_line): Add new parameter.  Change
        all callers.
        * xcoffout.c (xcoffout_source_line): Add new parameter.

        * configure.ac (gcc_cv_as_discriminator): New configury check for
        gas support for discriminator.
        * configure: Regenerate.
        * config.in: Regenerate.

2009-06-04  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>

        * config/arm/arm.c (thumb2_legitimate_index_p): Initialize
        val after checking for integers.

2009-06-04  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.h (X86_64_MS_REGPARM_MAX): Rename from
        X64_REGPARM_MAX.
        (REGPARM_MAX): Use X86_64_MS_REGPARM_MAX.
        (X86_64_MS_SSE_REGPARM_MAX): Rename from X64_SSE_REGPARM_MAX.
        (SSE_REGPARM_MAX): Use X86_64_MS_SSE_REGPARM_MAX.
        * config/i386/i386.c: Use X86_64_MS_REGPARM_MAX instead of
        X64_REGPARM_MAX.  Use X86_64_MS_SSE_REGPARM_MAX instead of
        X64_SSE_REGPARM_MAX.
        * config/i386/i386.md: Use X86_64_MS_SSE_REGPARM_MAX instead of
        X64_SSE_REGPARM_MAX.

2009-06-04  Alexandre Oliva  <aoliva@redhat.com>

        * gcc.c (report_times_to_file): New.
        (execute): Implement it.
        (process_command): Support -time=.
        * doc/invoke.texi: Document it.

2009-06-04  Alexandre Oliva  <aoliva@redhat.com>

        * tree-ssa-live.c (remove_unused_scope_block_p): Keep variables
        that have value exprs.

2009-06-04  Alexandre Oliva  <aoliva@redhat.com>

        * dwarf2asm.c (dw2_force_const_mem): Defer creation of
        declarations for constants until...
        (dw2_output_indirect_constant_1): ... this point.

2009-06-04  Richard Earnshaw  <rearnsha@arm.com>

        PR target/10242
        * arm.md (arm_addsi3): Don't try to split an add with an
        eliminable register until after reload has completed.

2009-06-03  Ian Lance Taylor  <iant@google.com>

        * dummy-checksum.c (executable_checksum): Use EXPORTED_CONST.
        * genattrtab.c (write_length_unit_log): Likewise.
        * genchecksum.c (dosum): Likewise.
        * gengtype.c (write_rtx_next): Likewise.
        (finish_root_table, write_roots): Likewise.
        * gimple.c (gimple_ops_offset_): Likewise.
        * tree-nomudflap.c (gt_ggc_r_gt_tree_mudflap_h): Likewise.
        * config/arc/arc.c (arc_attribute_table): Likewise.
        * config/arm/arm.c (arm_attribute_table): Likewise.
        * config/avr/avr.c (avr_attribute_table): Likewise.
        * config/crx/crx.c (crx_attribute_table): Likewise.
        * config/m32r/m32r.c (m32r_attribute_table): Likewise.
        * config/m68hc11/m68hc11.c (m68hc11_attribute_table): Likewise.
        * config/mcore/mcore.c (mcore_attribute_table): Likewise.
        * config/rs6000/rs6000.c (rs6000_attribute_table): Likewise.
        * config/sh/sh.c (sh_attribute_table): Likewise.
        * config/sparc/sparc.c (sparc_attribute_table): Likewise.
        * config/spu/spu.c (spu_attribute_table): Likewise.
        * config/v850/v850.c (v850_attribute_table): Likewise.

        * config/alpha/alpha.c (vms_attribute_table): Make static.
        * config/bfin/bfin.c (bfin_attribute_table): Likewise.
        * config/h8300/h8300.c (h8300_attribute_table): Likewise.
        * config/mips/mips.c (mips_attribute_table): Likewise.

        * Makefile.in (dummy-checksum.o): Depend upon $(CONFIG_H) and
        $(SYSTEM_H).
        (cc1-checksum.o): Likewise.

2009-06-03  Steve Ellcey  <sje@cup.hp.com>

        * config/ia64/vect.md (*movv2sf_internal): Handle big endian case.

2009-06-03  Jakub Jelinek  <jakub@redhat.com>

        * config/rs6000/rs6000.c (rs6000_emit_stack_reset): Return generated
        insn if it is changing sp.  Use gen_add3_insn instead of
        conditionally gen_addsi3 and gen_adddi3.
        (offset_below_red_zone_p): New static inline function.
        (rs6000_emit_epilogue): Emit needed epilogue unwind info.
        Use gen_add3_insn instead of conditionally gen_addsi3 and gen_adddi3.
        * config/rs6000/ppc-asm.h: Include auto-host.h.
        (CFI_STARTPROC, CFI_ENDPROC, CFI_DEF_CFA_REGISTER, CFI_OFFSET,
        CFI_RESTORE): Define.
        * config/rs6000/crtresxgpr.asm: Add unwind info.
        * config/rs6000/crtresxfpr.asm: Likewise.
        * config/rs6000/crtresgpr.asm: Likewise.
        * config/rs6000/crtresfpr.asm: Likewise.
        * config/rs6000/crtsavgpr.asm: Likewise.
        * config/rs6000/crtsavfpr.asm: Likewise.

        * dwarf2out.c (output_cfi_directive): Pass 1 instead of 0 to second
        argument of DWARF2_FRAME_REG_OUT macros.

2009-06-03  Julian Brown  <julian@codesourcery.com>

        * config/arm/arm.c (arm_hard_regno_mode_ok): Permit values of four
        words or less (including TImode) in core registers.

2009-06-03  Richard Guenther  <rguenther@suse.de>

        PR middle-end/40328
        * fold-const.c (fold_convert): Fold the build COMPLEX_EXPR.

2009-06-03  Andrey Belevantsev  <abel@ispras.ru>

        * statistics.c (statistics_counter_event): Do not record event
        in pass dump if its number == -1.
        (curr_statistics_hash): Add assert that we never get passes
        with static number == -1.

2009-06-03  Richard Guenther  <rguenther@suse.de>
            Andrey Belevantsev  <abel@ispras.ru>

        * cfgexpand.c (discover_nonconstant_array_refs_r): Make only
        non-BLKmode arrays addressable.

2009-06-03  Maxim Kuvyrkov  <maxim@codesourcery.com>

        * config/m68k/linux.h (HAVE_GAS_BALIGN_AND_P2ALIGN): Move to ...
        * config/m68k/m68k.h: ... here.

2009-06-03  Martin Jambor  <mjambor@suse.cz>

        PR tree-optimization/40323
        * ipa-prop.c (get_ssa_def_if_simple_copy): Break if not single
        assignment.

2009-06-03  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Use DECL_SIZE
        consistently.

2009-06-03  Shujing Zhao  <pearly.zhao@oracle.com>

        * config/sh/predicates.md: Use REG_P, MEM_P, CONST_INT_P, LABEL_P,
        JUMP_P, CALL_P, NONJUMP_INSN_P, NOTE_P, BARRIER_P and
        JUMP_TABLE_DATA_P where applicable.
        * config/sh/sh.c: Ditto.
        * config/sh/sh.h: Ditto.
        * config/sh/sh.md: Ditto.
        * config/sh/symbian.c: Ditto.

2009-06-03  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/driver-i386.c (describe_cache): Optimize
        concatenation of strings.  Use snprintf instead of sprintf.
        (host_detect_local_cpu): Ditto.  Ignore -march and -mtune for native
        target when not compiling with GCC.

2009-06-02  Kaz Kojima  <kkojima@gcc.gnu.org>

        * config/sh/sh.c: Revert last change.
        (sh_expand_epilogue): Emit a blockage insn before the frame
        pointer adjustment unconditionally.

2009-06-02  Richard Sandiford  <r.sandiford@uk.ibm.com>

        * config/pa/pa-hpux.h (LINK_SPEC): Remove "%<fwhole-program".
        * config/pa/pa-hpux10.h (LINK_SPEC): Likewise.
        * config/pa/pa-hpux11.h (LINK_SPEC): Likewise.
        * gcc.c (set_collect_gcc_options): Don't add -fwhole-program
        to COLLECT_GCC_OPTIONS.

2009-06-02  Richard Sandiford  <r.sandiford@uk.ibm.com>

        * collect2.c (target_system_root): New variable.
        (main): Handle --sysroot=.
        (ignore_library): Strip the sysroot from the library path.

2009-06-02  Richard Sandiford  <r.sandiford@uk.ibm.com>

        * Makefile.in (COLLECT2_OBJS): Add collect2-aix.o.
        (collect2.o): Depend on collect2-aix.h.
        (collect2-aix.o): New rule.
        * collect2-aix.h: New file.
        * collect2-aix.c: Likewise.
        * collect2.c: Include collect2-aix.h.  Don't undefine
        OBJECT_FORMAT_COFF if CROSS_AIX_SUPPORT is defined.
        Guard native includes with #ifndef CROSS_DIRECTORY_STRUCTURE.
        Use TARGET_AIX_VERSION instead of _AIX51.
        * config/rs6000/aix43.h (TARGET_AIX_VERSION): Define.
        * config/rs6000/aix51.h (TARGET_AIX_VERSION): Likewise.
        * config/rs6000/aix52.h (TARGET_AIX_VERSION): Likewise.
        * config/rs6000/aix53.h (TARGET_AIX_VERSION): Likewise.
        * config/rs6000/aix61.h (TARGET_AIX_VERSION): Likewise.

2009-06-02  Richard Sandiford  <r.sandiford@uk.ibm.com>

        * collect2.c (ignore_library): Avoid premature post-increment
        and null deference.

2009-06-02  Richard Sandiford  <r.sandiford@uk.ibm.com>

        * Makefile.in (libgcc.mvars): Add TARGET_SYSTEM_ROOT.
        * config/rs6000/aix.h (LINK_SYSCALLS_SPEC): Add %R to the
        !CROSS_DIRECTORY_STRUCTURE alternative and use it for
        CROSS_DIRECTORY_STRUCTURE too.
        (LINK_LIBG_SPEC): Likewise.
        (LIB_SPEC): Add %R to sysroot paths.
        * config/rs6000/aix43.h (CPP_SPEC): Add %R to sysroot paths.
        (CPLUSPLUS_CPP_SPEC, LIB_SPEC): Likewise.
        * config/rs6000/aix51.h: As for aix43.h.
        * config/rs6000/aix52.h: Likewise.
        * config/rs6000/aix53.h: Likewise.
        * config/rs6000/aix61.h: Likewise.
        * config/rs6000/t-aix52 (SHLIB_LINK): Add $(TARGET_SYSTEM_ROOT)
        to the beginning of sysroot paths.

2009-06-02  Alexandre Oliva  <aoliva@redhat.com>

        * print_rtl (print_rtx): Don't print modes in EXPR_LISTs and
        INSN_LISTs that are out of the REG_NOTE range.

2009-06-02  Alexandre Oliva  <aoliva@redhat.com>

        * loop-unroll.c (struct iv_to_split): Add pointer to next.
        (struct var_to_expand): Likewise.
        (struct opt_info): Add head and tail for linked lists of the above.
        (analyze_insn_to_expand_var): Initialize next.
        (analyze_iv_to_split_insn): Likewise.
        (analyze_insns_in_loop): Create linked lists.
        (allocate_basic_variable): Simplify for use without hash table.
        (insert_var_expansion_initialization): Likewise, make it type-safer.
        (combine_var_copies_in_loop_exit): Likewise.
        (apply_opt_in_copies): Walk lists rather than hash tables.
        (release_var_copies): Simplified and inlined by hand into...
        (free_opt_info): ... this function.

2009-06-02  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Use DECL_SIZE
        for field decls.

2009-06-02  Alexandre Oliva  <aoliva@redhat.com>

        * cfgexpand.c (gimple_expand_cfg): Discard the source location
        only for builtins that are not overridden.

2009-06-02  Alexandre Oliva  <aoliva@redhat.com>

        * gengtype.c (adjust_field_rtx_def): Add NOTE_INSN_DELETED_LABEL's
        label string.

2009-06-02  Alexandre Oliva  <aoliva@redhat.com>

        * df-core.c (df_ref_debug): Honor -fdump-noaddr.

2009-06-02  Alexandre Oliva  <aoliva@redhat.com>

        * combine.c (move_deaths): Compare LUIDs within the same BB only.

2009-06-02  Alexandre Oliva  <aoliva@redhat.com>

        * common.opt (fdump-unnumbered-links): New.
        * doc/invoke.texi (-fdump-unnumbered-links): Document it.
        * print-rtl.c (flag_dump_unnumbered_links): New.
        (print_rtx): Test it.

2009-06-02  Richard Earnshaw  <rearnsha@arm.com>

        * arm.c (arm_get_frame_offsets): Prefer using r3 for padding a
        push/pop multiple to 8-byte alignment.

2009-06-01  Jakub Jelinek  <jakub@redhat.com>

        * config/i386/i386.c (queued_cfa_restores): New static variable.
        (ix86_add_cfa_restore_note, ix86_add_queued_cfa_restore_notes): New
        functions.
        (pro_epilogue_adjust_stack): Call ix86_add_queued_cfa_restore_notes.
        (ix86_emit_restore_reg_using_pop): Add RED_OFFSET argument.
        Set RTX_FRAME_RELATED_P immediately after adding a REG_CFA_* note.
        Call ix86_add_cfa_restore_note instead of adding REG_CFA_OFFSET
        note unconditionally.
        (ix86_emit_restore_regs_using_mov): Likewise.
        (ix86_emit_restore_sse_regs_using_mov): Likewise.
        (ix86_emit_restore_regs_using_pop): Add RED_OFFSET argument, pass
        it through to ix86_emit_restore_reg_using_pop.
        (ix86_emit_leave): Add RED_OFFSET argument.  Call
        ix86_add_queued_cfa_restore_notes.  Call ix86_add_cfa_restore_note
        instead of adding REG_CFA_OFFSET note unconditionally.
        (ix86_expand_epilogue): Compute RED_OFFSET, pass it down to
        the above functions.  Call ix86_add_queued_cfa_restore_notes when
        needed.

        * dwarf2out.c (dwarf2out_cfi_label): Add FORCE argument, if true,
        force output of the label even for dwarf2out_do_cfi_asm.
        (add_fde_cfi): If -g2 and above and cfi might change CFA,
        force creation of CFI label and chain DW_CFA_set_loc jumping to it
        for convert_cfa_to_fb_loc_list.  Adjust other dwarf2out_cfi_label
        caller.
        (dwarf2out_stack_adjust, dwarf2out_frame_debug,
        dwarf2out_begin_epilogue, dwarf2out_frame_debug_restore_state): Adjust
        dwarf2out_cfi_label callers.
        * tree.h (dwarf2out_cfi_label): Adjust prototype.
        * config/arm/arm.c (thumb_pushpop, thumb1_output_function_prologue):
        Adjust dwarf2out_cfi_label callers.
        * config/vax/vax.c (vax_output_function_prologue): Likewise.

        * config/i386/i386.h (struct machine_cfa_state,
        struct machine_function): Guard with ifndef USED_FOR_TARGET
        instead of not IN_LIBGCC2 and not in IN_TARGET_LIBS.

        PR other/40024
        * emutls.c (__emutls_get_address): Change arr->size to mean number
        of allocated arr->data entries instead of # of slots + 1.

        PR middle-end/40316
        * recog.c (peep2_reinit_state): New function.
        (peephole2_init_state): Use it at the end of a basic block and also
        when seeing a RTX_FRAME_RELATED_P insn.

2009-06-01  Steve Ellcey  <sje@cup.hp.com>

        * ia64.md (floatdirf2, fix_truncrfdi, floatunsdirf,
        fixuns_truncrfdi2): New.
        (fix_truncxfdi2_alts, fixuns_truncxfdi2_alts,
        *nmaddsf4_alts, *nmadddf4_alts, *nmadddf4_truncsf_alts,
        *mulxf3_alts, *mulxf3_truncsf_alts, *mulxf3_truncdf_alts,
        *maddxf4_alts, *maddxf4_alts_truncsf, *maddxf4_alts_truncdf,
        *nmaddxf4_alts, *nmaddxf4_truncsf_alts, *nmaddxf4_truncdf_alts,
        *recip_approx): Remove.
        (divsi3 modsi3, udivsi3, umodsi3, divsi3_internal, divdi3,
        moddi3, udivdi3, umoddi3, divdi3_internal_lat, divdi3_internal_thr,
        divsf3, sqrtsf2, divdf3, sqrtdf2, divxf3, sqrtxf2): Modify and
        move to div.md.
        * div.md (fix_truncrfdi2_alts, fixuns_truncrfdi2_alt,
        setf_exp_rf): New.

2009-06-01  Ian Lance Taylor  <iant@google.com>

        * attribs.c (register_attribute): Use CONST_CAST.
        * collect2.c (main): Use CONST_CAST2.
        (scan_prog_file): Likewise.
        * gcc.c (process_command, main): Likewise.
        * toplev.c (toplev_main): Likewise.

        * c-typeck.c (handle_warn_cast_qual): New static function,
        partially broken out of build_c_cast.
        (build_c_cast): Call handle_warn_cast_qual.
        * doc/invoke.texi (Warning Options): Document new effect of
        -Wcast-qual.

2009-06-01  Aldy Hernandez  <aldyh@redhat.com>

        * diagnostic.c (diagnostic_build_prefix): Always print columns.
        (diagnostic_report_current_module): Print columns.
        * common.opt (flag_show_column): Enable by default.

2009-06-01  Luis Machado  <luisgpm@br.ibm.com>

        * alias.c (find_base_term): Check for NULL term before returning.

2009-06-01  Maxim Kuvyrkov  <maxim@codesourcery.com>

        Revert due to PR40320:
        2009-06-01  Maxim Kuvyrkov  <maxim@codesourcery.com>
        * calls.c (emit_library_call_value_1): Don't force_operand for move
        and push insns.

2009-06-01  Olivier Hainque  <hainque@adacore.com>
            Eric Botcazou  <ebotcazou@adacore.com>

        * tree.h (CONSTRUCTOR_BITFIELD_P): True if NODE, a FIELD_DECL, is
        to be processed as a bitfield for constructor output purposes.
        * output.h (initializer_constant_valid_for_bitfield_p): Declare
        new function.
        * varasm.c (oc_local_state): New type, output_constructor
        local state to support communication with helpers.
        (oc_outer_state): New type, output_constructor outer state of
        relevance in recursive calls.
        (output_constructor_array_range): New output_constructor helper,
        extracted code for an array range element.
        (output_constructor_regular_field): New output_constructor helper,
        extracted code for an element that is not a bitfield.
        (output_constructor_bitfield): New output_constructor helper,
        extracted code for a bitfield element.  Accept an OUTER state
        argument for recursive processing.  Recurse on record or array
        CONSTRUCTOR values, possibly past noop conversions.
        (initializer_constant_valid_for_bitfield_p): New predicate.  Whether
        VALUE is a valid constant-valued expression for use in a static
        bit-field initializer.
        (output_constructor): Rework to use helpers.  Accept and honor an
        OUTER state argument for recursive calls.  Return total size.  Be
        prepared for nested constructors initializing bitfields.
        (output_constant): Feed OUTER in calls to output_constructor.

2009-06-01  Maxim Kuvyrkov  <maxim@codesourcery.com>

        * calls.c (emit_library_call_value_1): Don't force_operand for move
        and push insns.

2009-06-01  Nick Clifton  <nickc@redhat.com>

        * doc/invoke.texi (IA-64 Options): Fix typo.

2009-06-01  Ira Rosen  <irar@il.ibm.com>

        PR tree-optimization/39129
        * tree-vect-loop-manip.c (conservative_cost_threshold): Change the
        printed message.
        (vect_do_peeling_for_loop_bound): Use
        LOOP_REQUIRES_VERSIONING_FOR_ALIGNMENT and
        LOOP_REQUIRES_VERSIONING_FOR_ALIAS macros.
        (vect_loop_versioning): Likewise.
        (vect_create_cond_for_alias_checks): Fix indentation.
        * tree-vectorizer.h (struct _loop_vec_info): Fix indentation of the
        macros.
        (LOOP_REQUIRES_VERSIONING_FOR_ALIGNMENT): Define.
        (LOOP_REQUIRES_VERSIONING_FOR_ALIAS): Likewise.
        * tree-vect-loop.c (vect_analyze_loop_form): Change "too many BBs" to
        "control flow in loop".
        (vect_estimate_min_profitable_iters): Use
        LOOP_REQUIRES_VERSIONING_FOR_ALIGNMENT and
        LOOP_REQUIRES_VERSIONING_FOR_ALIAS macros.
        * tree-vect-data-refs.c (vect_enhance_data_refs_alignment): Likewise.
        (vect_create_data_ref_ptr): Don't mention array dimension in printing.
        * tree-vect-stmts.c (vectorizable_store): Replace the check that the
        statement belongs to a group of strided accesses with the exact code
        check.
        (vectorizable_load): Likewise.
        * tree-vect-slp.c (vect_analyze_slp_instance): Spell out "basic block".
        (vect_slp_analyze_bb, vect_slp_transform_bb): Likewise.

2009-06-01  Gerald Pfeifer  <gerald@pfeifer.com>

        * config/freebsd-stdint.h: New file.
        * config.gcc (*-*-freebsd): Set use_gcc_stdint=wrap.
        Add freebsd-stdint.h to tm_file.

2009-06-01  Richard Earnshaw  <rearnsha@arm.com>

        * arm/thumb2.md (thumb2_zero_extendhidi2): New insn and split.
        (thumb2_extendhidi2): Likewise.

2009-05-31  Ian Lance Taylor  <iant@google.com>

        * regstat.c (regstat_n_sets_and_refs): Remove duplicate definition.

2009-05-31  Ian Lance Taylor  <iant@google.com>

        * Makefile.in (except.o): Depend upon gt-except.h, not gt-$(EXCEPT_H).
        (ipa-cp.o): Depend upon $(FIBHEAP_H) and $(PARAMS_H).
        (ipa-reference.o): Depend upon gt-ipa-reference.h.

2009-05-31  Jason Merrill  <jason@redhat.com>

        * tree-pretty-print.c (print_call_name): Take the callee, not the
        call itself.  Make non-static.  Use dump_function_name for functions.
        (dump_generic_node): Adjust.
        * diagnostic.h: Declare print_call_name.
        * gimple-pretty-print.c (dump_gimple_call): Use it.

2009-05-31  Kaz Kojima  <kkojima@gcc.gnu.org>

        * config/sh/sh.md (ashldi3_std): New define_expand.
        (ashldi3): Use it.

2009-05-31  Kaz Kojima  <kkojima@gcc.gnu.org>

        PR target/40313
        * config/sh/sh.c: Include debug.h.
        (sh_expand_epilogue): Emit a blockage insn before the frame
        pointer adjustment also when dwarf2out_do_frame returns true.

2009-05-31  Richard Earnshaw  <rearnsha@arm.com>

        * arm/thumb2.md (thumb2_extendsidi2): Add a split sub-pattern.
        (thumb2_extendqidi2): New pattern.

2009-05-31  Ira Rosen  <irar@il.ibm.com>

        * tree-vect-loop-manip.c (slpeel_update_phi_nodes_for_guard1): Don't
        mark phis for renaming.
        * tree-vectorizer.c (vect_memsyms_to_rename): Remove.
        (vectorize_loops): Don't allocate and free vect_memsyms_to_rename.
        Call mark_sym_for_renaming.
        * tree-vectorizer.h (vect_memsyms_to_rename): Remove.
        * tree-vect-loop.c (vect_transform_loop): Remove
        vect_memsyms_to_rename initialization and a call to
        mark_set_for_renaming.

2009-05-31  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/40304
        * config/i386/i386.c (pro_epilogue_adjust_stack): Mark insns
        frame related even if !set_cfa && style < 0.

2009-05-30  Kai Tietz  <kai.tietz@onevision.com>

        * config/i386/mingw-tls.c: New file.
        * config/i386/t-gthr-win32 (LIB2FUNCS_EXTRA): Add mingw-tls.c file.
        * gthr-win32.h (MINGW32_SUPPORTS_MT_EH): Define it for targets
        defining _WIN32 but not __CYGWIN__.

2009-05-29  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * configure.ac: Add MPC support.

        * config.in, configure: Regenerate.

2009-05-29  Richard Henderson  <rth@redhat.com>

        * cfgcleanup.c (try_crossjump_to_edge): Only skip past
        NOTE_INSN_BASIC_BLOCK.
        * cfglayout.c (duplicate_insn_chain): Copy epilogue insn marks.
        Duplicate NOTE_INSN_EPILOGUE_BEG notes.
        * cfgrtl.c (can_delete_note_p): Allow NOTE_INSN_EPILOGUE_BEG
        to be deleted.
        * dwarf2out.c (struct cfa_loc): Change indirect field to bitfield,
        add in_use field.
        (add_cfi): Disable check redefining cfa away from drap.
        (lookup_cfa_1): Add remember argument; handle remember/restore.
        (lookup_cfa): Pass remember argument.
        (cfa_remember): New.
        (compute_barrier_args_size_1): Remove sibcall check.
        (dwarf2out_frame_debug_def_cfa): New.
        (dwarf2out_frame_debug_adjust_cfa): New.
        (dwarf2out_frame_debug_cfa_offset): New.
        (dwarf2out_frame_debug_cfa_register): New.
        (dwarf2out_frame_debug_cfa_restore): New.
        (dwarf2out_frame_debug): Handle REG_CFA_* notes.
        (dwarf2out_begin_epilogue): New.
        (dwarf2out_frame_debug_restore_state): New.
        (dw_cfi_oprnd1_desc): Handle DW_CFA_remember_state,
        DW_CFA_restore_state.
        (output_cfi_directive): Likewise.
        (convert_cfa_to_fb_loc_list): Likewise.
        (dw_cfi_oprnd1_desc): Handle DW_CFA_restore.
        * dwarf2out.h: Update.
        * emit-rtl.c (try_split): Don't split RTX_FRAME_RELATED_P.
        (copy_insn_1): Early out for null.
        * final.c (final_scan_insn): Call dwarf2out_begin_epilogue
        and dwarf2out_frame_debug_restore_state.
        * function.c (prologue, epilogue, sibcall_epilogue): Remove.
        (prologue_insn_hash, epilogue_insn_hash): New.
        (free_after_compilation): Adjust freeing accordingly.
        (record_insns): Create hash table if needed; push insns into
        hash instead of array.
        (maybe_copy_epilogue_insn): New.
        (contains): Search hash table instead of array.
        (sibcall_epilogue_contains): Remove.
        (thread_prologue_and_epilogue_insns): Split eh_return insns
        and mark them as epilogues.
        (reposition_prologue_and_epilogue_notes): Rewrite epilogue
        scanning in terms of basic blocks.
        * insn-notes.def (CFA_RESTORE_STATE): New.
        * jump.c (returnjump_p_1): Accept EH_RETURN.
        (eh_returnjump_p_1, eh_returnjump_p): New.
        * reg-notes.def (CFA_DEF_CFA, CFA_ADJUST_CFA, CFA_OFFSET,
        CFA_REGISTER, CFA_RESTORE): New.
        * rtl.def (EH_RETURN): New.
        * rtl.h (eh_returnjump_p, maybe_copy_epilogue_insn): Declare.

        * config/bfin/bfin.md (UNSPEC_VOLATILE_EH_RETURN): Remove.
        (eh_return_internal): Use eh_return rtx; split w/ epilogue.

        * config/i386/i386.c (gen_push): Update cfa state.
        (pro_epilogue_adjust_stack): Add set_cfa argument.  When true,
        add a CFA_ADJUST_CFA note.
        (ix86_dwarf_handle_frame_unspec): Remove.
        (ix86_expand_prologue): Update cfa state.
        (ix86_emit_restore_reg_using_pop): New.
        (ix86_emit_restore_regs_using_pop): New.
        (ix86_emit_leave): New.
        (ix86_emit_restore_regs_using_mov): Add CFA_RESTORE notes.
        (ix86_expand_epilogue): Add notes for unwinding the epilogue.
        * config/i386/i386.h (struct machine_cfa_state): New.
        (ix86_cfa_state): New.
        * config/i386/i386.md (UNSPEC_EH_RETURN): Remove.
        (eh_return_internal): Merge from eh_return_<mode>,
        use eh_return rtx, split w/ epilogue.

2009-05-29  Ian Lance Taylor  <iant@google.com>

        * builtins.c (validate_gimple_arglist): Don't use va_arg with
        enum type.
        * calls.c (emit_library_call_value_1): Likewise.

        * c-typeck.c (c_build_va_arg): New function.
        * c-tree.h (c_build_va_arg): Declare.
        * c-parser.c (c_parser_postfix_expression): Call c_build_va_arg
        instead of build_va_arg.

2009-05-29  Eric Botcazou  <ebotcazou@adacore.com>

        * tree-ssa-loop-ivopts.c (strip_offset_1) <MULT_EXPR>: New case.
        (force_expr_to_var_cost) <NEGATE_EXPR>: Likewise.
        (ptr_difference_cost): Use affine combinations to compute it.
        (difference_cost): Likewise.
        (get_computation_cost_at): Compute more accurate cost for addresses
        if the ratio is a multiplier allowed in addresses.
        For non-addresses, consider that an additional offset or symbol is
        added only once.

2009-05-29  Jakub Jelinek  <jakub@redhat.com>

        * config/i386/i386.c (ix86_decompose_address): Avoid useless
        0 displacement.  Add 0 displacement if base is %[er]bp or %r13.

        * config/i386/i386.md (prefix_data16, prefix_rep): Set to 0 for
        TYPE_SSE{MULADD,4ARG,IADD1,CVT1} by default.
        (prefix_rex): For UNIT_MMX don't imply the prefix by default
        if MODE_DI.
        (prefix_extra): Default to 2 for TYPE_SSE{MULADD,4ARG} and
        to 1 for TYPE_SSE{IADD1,CVT1}.
        (prefix_vex_imm8): Removed.
        (length_vex): Only pass 1 as second argument to
        ix86_attr_length_vex_default if prefix_extra is 0.
        (modrm): For TYPE_INCDEC only set to 0 if not TARGET_64BIT.
        (length): For prefix vex computation use length_immediate
        attribute instead of prefix_vex_imm8.
        (cmpqi_ext_3_insn, cmpqi_ext_3_insn_rex64,
        addqi_ext_1, addqi_ext_1_rex64, *testqi_ext_0, andqi_ext_0,
        *andqi_ext_0_cc, *iorqi_ext_0, *xorqi_ext_0, *xorqi_cc_ext_1,
        *xorqi_cc_ext_1_rex64): Override modrm attribute to 1.
        (extendsidi2_rex64, extendhidi2, extendqidi2, extendhisi2,
        *extendhisi2_zext, extendqihi2, extendqisi2, *extendqisi2_zext): Emit
        a space in between the operands.
        (*anddi_1_rex64, *andsi_1): Likewise.  Override prefix_rex to 1
        if one operand is 0xff and the other one si, di, bp or sp.
        (*andhi_1): Override prefix_rex to 1 if one operand is 0xff and the
        other one si, di, bp or sp.
        (*btsq, *btrq, *btcq, *btdi_rex64, *btsi): Add mode attribute.
        (*ffssi_1, *ffsdi_1, ctzsi2, ctzdi2): Add
        type and mode attributes.
        (*bsr, *bsr_rex64, *bsrhi): Add type attribute.
        (*cmpfp_i_mixed, *cmpfp_iu_mixed): For TYPE_SSECOMI, clear
        prefix_rep attribute and set prefix_data16 attribute iff MODE_DF.
        (*cmpfp_i_sse, *cmpfp_iu_sse): Clear prefix_rep attribute and set
        prefix_data16 attribute iff MODE_DF.
        (*movsi_1): For TYPE_SSEMOV MODE_SI set prefix_data16 attribute.
        (fix_trunc<mode>di_sse): Set prefix_rex attribute.
        (*adddi_4_rex64, *addsi_4): Use const128_operand instead of
        constm128_operand in length_immediate computation.
        (*addhi_4): Likewise.  Fix mode attribute to MODE_HI.
        (anddi_1_rex64): Use movzbl/movzwl instead of movzbq/movzwq.
        (*avx_ashlti3, sse2_ashlti3, *avx_lshrti3, sse2_lshrti3): Set
        length_immediate attribute to 1.
        (x86_fnstsw_1, x86_fnstcw_1, x86_fldcw_1): Fix length attribute.
        (*movdi_1_rex64): Override prefix_rex or prefix_data16 attributes
        for certain alternatives.
        (*movdf_nointeger, *movdf_integer_rex64, *movdf_integer): Override
        prefix_data16 attribute if MODE_V1DF.
        (*avx_setcc<mode>, *sse_setcc<mode>, *sse5_setcc<mode>): Set
        length_immediate to 1.
        (set_got_rex64, set_rip_rex64): Remove length attribute, set
        length_address to 4, set mode attribute to MODE_DI.
        (set_got_offset_rex64): Likewise.  Set length_immediate to 0.
        (fxam<mode>2_i387): Set length attribute to 4.
        (*prefetch_sse, *prefetch_sse_rex, *prefetch_3dnow,
        *prefetch_3dnow_rex): Override length_address attribute.
        (sse4_2_crc32<mode>): Override prefix_data16 and prefix_rex
        attributes.
        * config/i386/predicates.md (ext_QIreg_nomode_operand): New predicate.
        (constm128_operand): Removed.
        * config/i386/i386.c (memory_address_length): For
        disp && !index && !base in 64-bit mode account for SIB byte if
        print_operand_address can't optimize disp32 into disp32(%rip)
        and UNSPEC doesn't imply (%rip) addressing.  Add 1 to length
        for fs: or gs: segment.
        (ix86_attr_length_immediate_default): When checking if shortform
        is possible, truncate immediate to the length of the non-shortened
        immediate.
        (ix86_attr_length_address_default): Ignore MEM_P operands
        with X constraint.
        (ix86_attr_length_vex_default): Only check for DImode on
        GENERAL_REG_P operands.
        * config/i386/sse.md (<sse>_comi, <sse>_ucomi): Clear
        prefix_rep attribute, set prefix_data16 attribute iff MODE_DF.
        (sse_cvttps2pi): Clear prefix_rep attribute.
        (sse2_cvttps2dq, *sse2_cvtpd2dq, sse2_cvtps2pd): Clear prefix_data16
        attribute.
        (*sse2_cvttpd2dq): Don't clear prefix_rep attribute.
        (*avx_ashr<mode>3, ashr<mode>3, *avx_lshr<mode>3, lshr<mode>3,
        *avx_ashl<mode>3, ashl<mode>3): Set length_immediate attribute to 1
        iff operand 2 is const_int_operand.
        (*vec_dupv4si, avx_shufpd256_1, *avx_shufpd_<mode>,
        sse2_shufpd_<mode>): Set length_immediate attribute to 1.
        (sse2_pshufd_1): Likewise.  Set prefix attribute to maybe_vex
        instead of vex.
        (sse2_pshuflw_1, sse2_pshufhw_1): Set length_immediate to 1 and clear
        prefix_data16.
        (sse2_unpckhpd, sse2_unpcklpd, sse2_storehpd, *vec_concatv2df): Set
        prefix_data16 attribute for movlpd and movhpd instructions.
        (sse2_loadhpd, sse2_loadlpd, sse2_movsd): Likewise.  Override
        length_immediate for shufpd instruction.
        (sse2_movntsi, sse3_lddqu): Clear prefix_data16 attribute.
        (avx_cmpp<avxmodesuffixf2c><mode>3,
        avx_cmps<ssemodesuffixf2c><mode>3, *avx_maskcmp<mode>3,
        <sse>_maskcmp<mode>3, <sse>_vmmaskcmp<mode>3,
        avx_shufps256_1, *avx_shufps_<mode>, sse_shufps_<mode>,
        *vec_dupv4sf_avx, *vec_dupv4sf): Set length_immediate attribute to 1.
        (*avx_cvtsi2ssq, *avx_cvtsi2sdq): Set length_vex attribute to 4.
        (sse_cvtsi2ssq, sse2_cvtsi2sdq): Set prefix_rex attribute to 1.
        (sse2_cvtpi2pd, sse_loadlps, sse2_storelpd): Override
        prefix_data16 attribute for the first alternative to 1.
        (*avx_loadlps): Override length_immediate for the first alternative.
        (*vec_concatv2sf_avx): Override length_immediate and prefix_extra
        attributes for second alternative.
        (*vec_concatv2sf_sse4_1): Override length_immediate and
        prefix_data16 attributes for second alternative.
        (*vec_setv4sf_avx, *avx_insertps, vec_extract_lo_<mode>,
        vec_extract_hi_<mode>, vec_extract_lo_v16hi,
        vec_extract_hi_v16hi, vec_extract_lo_v32qi,
        vec_extract_hi_v32qi): Set prefix_extra and length_immediate to 1.
        (*vec_setv4sf_sse4_1, sse4_1_insertps, *sse4_1_extractps): Set
        prefix_data16 and length_immediate to 1.
        (*avx_mulv2siv2di3, *avx_mulv4si3, sse4_2_gtv2di3): Set prefix_extra
        to 1.
        (*avx_<code><mode>3, *avx_eq<mode>3, *avx_gt<mode>3): Set
        prefix_extra attribute for variants that don't have 0f prefix alone.
        (*avx_pinsr<ssevecsize>): Likewise.  Set length_immediate to 1.
        (*sse4_1_pinsrb, *sse2_pinsrw, *sse4_1_pinsrd, *sse4_1_pextrb,
        *sse4_1_pextrb_memory, *sse2_pextrw, *sse4_1_pextrw_memory,
        *sse4_1_pextrd): Set length_immediate to 1.
        (*sse4_1_pinsrd): Likewise.  Set prefix_extra to 1.
        (*sse4_1_pinsrq, *sse4_1_pextrq): Set prefix_rex and length_immediate
        to 1.
        (*vec_extractv2di_1_rex64_avx, *vec_extractv2di_1_rex64,
        *vec_extractv2di_1_avx, *vec_extractv2di_1_sse2): Override
        length_immediate to 1 for second alternative.
        (*vec_concatv2si_avx, *vec_concatv2di_rex64_avx): Override
        prefix_extra and length_immediate attributes for the first
        alternative.
        (vec_concatv2si_sse4_1): Override length_immediate to 1 for the
        first alternative.
        (*vec_concatv2di_rex64_sse4_1): Likewise.  Override prefix_rex
        to 1 for the first and third alternative.
        (*vec_concatv2di_rex64_sse): Override prefix_rex to 1 for the second
        alternative.
        (*sse2_maskmovdqu, *sse2_maskmovdqu_rex64): Override length_vex
        attribute.
        (*sse_sfence, sse2_mfence, sse2_lfence): Override length_address
        attribute to 0.
        (*avx_phaddwv8hi3, *avx_phadddv4si3, *avx_phaddswv8hi3,
        *avx_phsubwv8hi3, *avx_phsubdv4si3, *avx_phsubswv8hi,
        *avx_pmaddubsw128, *avx_pmulhrswv8hi3, *avx_pshufbv16qi3,
        *avx_psign<mode>3): Set prefix_extra attribute to 1.
        (ssse3_phaddwv4hi3, ssse3_phadddv2si3, ssse3_phaddswv4hi3,
        ssse3_phsubwv4hi3, ssse3_phsubdv2si3, ssse3_phsubswv4hi3,
        ssse3_pmaddubsw, *ssse3_pmulhrswv4hi, ssse3_pshufbv8qi3,
        ssse3_psign<mode>3): Override prefix_rex attribute.
        (*avx_palignrti): Override prefix_extra and length_immediate to 1.
        (ssse3_palignrti): Override length_immediate to 1.
        (ssse3_palignrdi): Override length_immediate to 1, override
        prefix_rex attribute.
        (abs<mode>2): Override prefix_rep to 0, override prefix_rex attribute.
        (sse4a_extrqi): Override length_immediate to 2.
        (sse4a_insertqi): Likewise.  Override prefix_data16 to 0.
        (sse4a_insertq): Override prefix_data16 to 0.
        (avx_blendp<avxmodesuffixf2c><avxmodesuffix>,
        avx_blendvp<avxmodesuffixf2c><avxmodesuffix>,
        avx_dpp<avxmodesuffixf2c><avxmodesuffix>, *avx_mpsadbw,
        *avx_pblendvb, *avx_pblendw, avx_roundp<avxmodesuffixf2c>256,
        avx_rounds<avxmodesuffixf2c>256): Override prefix_extra
        and length_immediate to 1.
        (sse4_1_blendp<ssemodesuffixf2c>, sse4_1_dpp<ssemodesuffixf2c>,
        sse4_2_pcmpestr, sse4_2_pcmpestri, sse4_2_pcmpestrm,
        sse4_2_pcmpestr_cconly, sse4_2_pcmpistr, sse4_2_pcmpistri,
        sse4_2_pcmpistrm, sse4_2_pcmpistr_cconly): Override prefix_data16
        and length_immediate to 1.
        (sse4_1_blendvp<ssemodesuffixf2c>): Override prefix_data16 to 1.
        (sse4_1_mpsadbw, sse4_1_pblendw): Override length_immediate to 1.
        (*avx_packusdw, avx_vtestp<avxmodesuffixf2c><avxmodesuffix>,
        avx_ptest256): Override prefix_extra to 1.
        (sse4_1_roundp<ssemodesuffixf2c>, sse4_1_rounds<ssemodesuffixf2c>):
        Override prefix_data16 and length_immediate to 1.
        (sse5_pperm_zero_v16qi_v8hi, sse5_pperm_sign_v16qi_v8hi,
        sse5_pperm_zero_v8hi_v4si, sse5_pperm_sign_v8hi_v4si,
        sse5_pperm_zero_v4si_v2di, sse5_pperm_sign_v4si_v2di,
        sse5_vrotl<mode>3, sse5_ashl<mode>3, sse5_lshl<mode>3): Override
        prefix_data16 to 0 and prefix_extra to 2.
        (sse5_rotl<mode>3, sse5_rotr<mode>3): Override length_immediate to 1.
        (sse5_frcz<mode>2, sse5_vmfrcz<mode>2): Don't override prefix_extra
        attribute.
        (*sse5_vmmaskcmp<mode>3, sse5_com_tf<mode>3,
        sse5_maskcmp<mode>3, sse5_maskcmp<mode>3, sse5_maskcmp_uns<mode>3):
        Override prefix_data16 and prefix_rep to 0, length_immediate to 1
        and prefix_extra to 2.
        (sse5_maskcmp_uns2<mode>3, sse5_pcom_tf<mode>3): Override
        prefix_data16 to 0, length_immediate to 1 and prefix_extra to 2.
        (*avx_aesenc, *avx_aesenclast, *avx_aesdec, *avx_aesdeclast,
        avx_vpermilvar<mode>3,
        avx_vbroadcasts<avxmodesuffixf2c><avxmodesuffix>,
        avx_vbroadcastss256, avx_vbroadcastf128_p<avxmodesuffixf2c>256,
        avx_maskloadp<avxmodesuffixf2c><avxmodesuffix>,
        avx_maskstorep<avxmodesuffixf2c><avxmodesuffix>):
        Override prefix_extra to 1.
        (aeskeygenassist, pclmulqdq): Override length_immediate to 1.
        (*vpclmulqdq, avx_vpermil<mode>, avx_vperm2f128<mode>3,
        vec_set_lo_<mode>, vec_set_hi_<mode>, vec_set_lo_v16hi,
        vec_set_hi_v16hi, vec_set_lo_v32qi, vec_set_hi_v32qi): Override
        prefix_extra and length_immediate to 1.
        (*avx_vzeroall, avx_vzeroupper, avx_vzeroupper_rex64): Override
        modrm to 0.
        (*vec_concat<mode>_avx): Override prefix_extra and length_immediate
        to 1 for the first alternative.
        * config/i386/mmx.md (*mov<mode>_internal_rex64): Override
        prefix_rep, prefix_data16 and/or prefix_rex attributes in certain
        cases.
        (*mov<mode>_internal_avx, *movv2sf_internal_rex64,
        *movv2sf_internal_avx, *movv2sf_internal): Override
        prefix_rep attribute for certain alternatives.
        (*mov<mode>_internal): Override prefix_rep or prefix_data16
        attributes for certain alternatives.
        (*movv2sf_internal_rex64_avx): Override prefix_rep and length_vex
        attributes for certain alternatives.
        (*mmx_addv2sf3, *mmx_subv2sf3, *mmx_mulv2sf3,
        *mmx_<code>v2sf3_finite, *mmx_<code>v2sf3, mmx_rcpv2sf2,
        mmx_rcpit1v2sf3, mmx_rcpit2v2sf3, mmx_rsqrtv2sf2, mmx_rsqit1v2sf3,
        mmx_haddv2sf3, mmx_hsubv2sf3, mmx_addsubv2sf3,
        *mmx_eqv2sf3, mmx_gtv2sf3, mmx_gev2sf3, mmx_pf2id, mmx_pf2iw,
        mmx_pi2fw, mmx_floatv2si2, mmx_pswapdv2sf2, *mmx_pmulhrwv4hi3,
        mmx_pswapdv2si2): Set prefix_extra attribute to 1.
        (mmx_ashr<mode>3, mmx_lshr<mode>3, mmx_ashl<mode>3): Set
        length_immediate to 1 if operand 2 is const_int_operand.
        (*mmx_pinsrw, mmx_pextrw, mmx_pshufw_1, *vec_dupv4hi,
        *vec_extractv2si_1): Set length_immediate attribute to 1.
        (*mmx_uavgv8qi3): Override prefix_extra attribute to 1 if
        using old 3DNOW insn rather than SSE/3DNOW_A.
        (mmx_emms, mmx_femms): Clear modrm attribute.

2009-05-29  Martin Jambor  <mjambor@suse.cz>

        * tree-sra.c:  New implementation of SRA.

        * params.def (PARAM_SRA_MAX_STRUCTURE_SIZE): Removed.
        (PARAM_SRA_MAX_STRUCTURE_COUNT): Removed.
        (PARAM_SRA_FIELD_STRUCTURE_RATIO): Removed.
        * params.h (SRA_MAX_STRUCTURE_SIZE): Removed.
        (SRA_MAX_STRUCTURE_COUNT): Removed.
        (SRA_FIELD_STRUCTURE_RATIO): Removed.
        * doc/invoke.texi (sra-max-structure-size): Removed.
        (sra-field-structure-ratio): Removed.

2009-05-29  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/40291
        * builtins.c (expand_builtin_memcmp): Convert len to sizetype
        before expansion.

2009-05-29  Andrey Belevantsev  <abel@ispras.ru>

        PR rtl-optimization/40101
        * sel-sched-ir.c (get_seqno_by_preds): Allow returning negative
        seqno.  Adjust comment.
        * sel-sched.c (find_seqno_for_bookkeeping): Assert that when
        inserting bookkeeping before a jump, the jump is not scheduled.
        When no positive seqno found, provide a value.  Add comment.

2009-05-29  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-alias.c (nonaliasing_component_refs_p): Remove
        short-cutting on the first component.

2009-05-29  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/39958
        * omp-low.c (scan_omp_1_op): Call remap_type on TREE_TYPE
        for trees other than decls/types.

2009-05-29  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-operands.c (get_expr_operands): Do not handle
        INDIRECT_REFs in the handled-component case.  Remove
        unused get_ref_base_and_extent case.
        * tree-dfa.c (get_ref_base_and_extent): Avoid calling
        tree_low_cst and host_integerp where possible.
        * tree-ssa-structalias.c (equiv_class_label_eq): Check hash
        codes for equivalence.
        * dce.c (find_call_stack_args): Avoid redundant bitmap queries.

2009-05-29  David Billinghurst <billingd@gcc.gnu.org>

        * config.gcc: Add i386/t-fprules-softfp and soft-fp/t-softfp
        to tmake_file for i[34567]86-*-cygwin*.

2009-05-29  Jakub Jelinek  <jakub@redhat.com>

        PR target/40017
        * config/rs6000/rs6000-c.c (_Bool_keyword): New variable.
        (altivec_categorize_keyword, init_vector_keywords,
        rs6000_cpu_cpp_builtins): Define _Bool as conditional macro
        similar to bool.

2009-05-29  Kai Tietz  <kai.tietz@onevision.com>

        * tree.c (handle_dll_attribute): Check if node is
        of kind FUNCTION_DECL for DECL_DECLARED_INLINE_P check.

2009-05-29  Richard Earnshaw  <rearnsha@arm.com>

        * config/arm/thumb2.md (thumb2_zero_extendsidi2): Add a split
        component.
        (thumb2_zero_extendqidi2): Likewise.

2009-05-28  Kaz Kojima  <kkojima@gcc.gnu.org>

        * config/sh/sh.c (sh_expand_t_scc): Use gen_xorsi3_movrt
        instead of gen_movrt.
        * config/sh/sh.md (movrt): Remove.

2009-05-28  Steve Ellcey  <sje@cup.hp.com>

        * doc/invoke.texi (IA-64 Options):
        Add -msdata, -mfused-madd, -mno-inline-float-divide,
        -mno-inline-int-divide, -mno-inline-sqrt, -msched-spec-ldc,
        -msched-spec-control-ldc, -msched-prefer-non-data-spec-insns,
        -msched-prefer-non-control-spec-insns,
        -msched-stop-bits-after-every-cycle,
        -msched-count-spec-in-critical-path,
        -msel-sched-dont-check-control-spec, -msched-fp-mem-deps-zero-cost
        -msched-max-memory-insns-hard-limit, -msched-max-memory-insns.
        Remove -mt, -pthread, -msched-ldc, -mno-sched-control-ldc,
        and -msched-spec-verbose.

2009-05-28  Joseph Myers  <joseph@codesourcery.com>

        * config/arm/lib1funcs.asm (__clear_cache): Define if L_clear_cache.
        * config/arm/linux-eabi.h (CLEAR_INSN_CACHE): Define to give an
        error if used.
        * config/arm/t-linux-eabi (LIB1ASMFUNCS): Add _clear_cache.

2009-05-28  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-alias.c (ao_ref_init): New function.
        (ao_ref_base): Likewise.
        (ao_ref_base_alias_set): Likewise.
        (ao_ref_alias_set): Likewise.
        (refs_may_alias_p_1): Change signature.
        (refs_may_alias_p): Adjust.
        (refs_anti_dependent_p): Likewise.
        (refs_output_dependent_p): Likewise.
        (call_may_clobber_ref_p_1): Change signature.
        (call_may_clobber_ref_p): Adjust.
        (stmt_may_clobber_ref_p_1): New function split out from ...
        (stmt_may_clobber_ref_p): ... here.
        (maybe_skip_until): Adjust signature.
        (get_continuation_for_phi): Likewise.
        (walk_non_aliased_vuses): Likewise.
        * tree-ssa-alias.h (struct ao_ref_s): New structure type.
        (ao_ref_init): Declare.
        (ao_ref_base): Likewise.
        (ao_ref_alias_set): Likewise.
        (stmt_may_clobber_ref_p_1): Likewise.
        (walk_non_aliased_vuses): Adjust.
        * tree-ssa-sccvn.c (ao_ref_init_from_vn_reference): New function.
        (get_ref_from_reference_ops): remove.
        (vn_reference_lookup_2): Adjust signature.
        (vn_reference_lookup_3): Do not re-build trees.  Handle unions.
        (vn_reference_lookup_pieces): Adjust signature, do not re-build trees.
        (vn_reference_lookup): Adjust.
        (vn_reference_insert): Likewise.
        (vn_reference_insert_pieces): Adjust signature.
        (visit_reference_op_call): Adjust.
        * tree-ssa-pre.c (get_expr_type): Simplify.
        (phi_translate_1): Adjust.
        (compute_avail): Likewise.
        (translate_vuse_through_block): Do not re-build trees.
        (value_dies_in_block_x): Likewise.
        * tree-ssa-sccvn.h (struct vn_reference_s): Add type and alias-set
        fields.
        (vn_reference_lookup_pieces): Adjust declaration.
        (vn_reference_insert_pieces): Likewise.

2009-05-28  Benjamin Kosnik  <bkoz@redhat.com>

        * tree-ssa-copy.c (replace_exp_1): Move op for warning-free use
        with checking disabled.

2009-05-28  Dave Korn  <dave.korn.cygwin@gmail.com>

        PR target/37216

        * configure.ac (HAVE_GAS_ALIGNED_COMM):  Add autoconf test and
        macro definition for support of three-operand format aligned
        .comm directive in assembler on cygwin/pe/mingw target OS.
        * configure:  Regenerate.
        * config.h:  Regenerate.

        * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common):  Use
        aligned form of .comm directive if -mpe-aligned-commons is in effect.
        * config/i386/cygming.opt (-mpe-aligned-commons):  Add new option.

        * doc/invoke.texi (-mpe-aligned-commons):  Document new target option.
        * doc/tm.texi (ASM_OUTPUT_COMMON):  Document zero size commons.

2009-05-28  Ira Rosen  <irar@il.ibm.com>

        PR tree-optimization/40254
        * tree-data-ref.c (dr_analyze_innermost): Take POFFSET into account
        in analysis of basic blocks.

2009-05-28  Adam Nemet  <anemet@caviumnetworks.com>

        PR middle-end/33699
        * target.h (struct gcc_target): Fix indentation.  Add const_anchor.
        * target-def.h (TARGET_CONST_ANCHOR): New macro.
        (TARGET_INITIALIZER): Use it.
        * cse.c (CHEAPER): Move it up to the other macros.
        (insert): Rename this ...
        (insert_with_costs): ... to this.  Add cost parameters.  Update
        function comment.
        (insert): New function.  Call insert_with_costs.
        (compute_const_anchors, insert_const_anchor, insert_const_anchors,
        find_reg_offset_for_const, try_const_anchors): New functions.
        (cse_insn): Call try_const_anchors.  Adjust cost of src_related
        when using a const-anchor.  Call insert_const_anchors.
        * config/mips/mips.c (mips_set_mips16_mode): Set targetm.const_anchor.
        * doc/tm.texi (Misc): Document TARGET_CONST_ANCHOR.

2009-05-28  Alexandre Oliva  <aoliva@redhat.com>

        * tree-inline.c (remap_decls): Enable nonlocalized variables
        when not optimizing.

2009-05-28  Alexandre Oliva  <aoliva@redhat.com>

        * tree-ssa-live.c (remove_unused_locals): Skip when not optimizing.
        Simplify other tests involving optimize.

2009-05-27  Tom Tromey  <tromey@redhat.com>

        * unwind-dw2.c (_Unwind_DebugHook): New function.
        (uw_install_context): Call _Unwind_DebugHook.

2009-05-27  Tom Tromey  <tromey@redhat.com>

        * system.h (CONST_CAST2): Use C++ const_cast when compiled as C++

2009-05-27  Ian Lance Taylor  <iant@google.com>

        * Makefile.in (LINKER, LINKER_FLAGS): Define.
        (LINKER_FOR_BUILD, BUILD_LINKERFLAGS): Define.
        (ALL_LINKERFLAGS): Define.
        (xgcc$(exeext)): Change $(COMPILER) to $(LINKER).
        (cpp$(exeext), cc1-dummy$(exeext), cc1$(exeext)): Likewise.
        (collect2$(exeext), mips-tfile, mips-tdump): Likewise.
        (gcov$(exeext), gcov-dump$(exeext)): Likewise.
        (build/gen%$(build_exeext)): Change $(COMPILER_FOR_BUILD) to
        $(LINKER_FOR_BUILD).
        (build/gcov-iov$(build_exeext)): Likewise.

2009-05-27  Julian Brown  <julian@codesourcery.com>

        * gcse.c (target.h): Include.
        (can_assign_to_reg_without_clobbers_p): Check that the target allows
        copy of argument to a pseudo register.

2009-05-27  Diego Novillo  <dnovillo@google.com>

        * tree-ssa-live.c (dump_scope_block): Document arguments.
        (dump_scope_blocks): Document.
        (debug_scope_blocks): New.
        * tree-flow.h (debug_scope_blocks): Declare.

2009-05-21  Denis Chertykov  <denisc@overta.ru>

        * doc/contrib.texi (Contributors): Add myself to the list.

2009-05-27  Olivier Hainque  <hainque@adacore.com>

        * expr.c (target_align): New function.  Alignment the TARGET of an
        assignment may be assume to have.
        (highest_pow2_factor_for_target): Use it instead of relying on
        immediate tree attributes of TARGET, not necessarily honored when
        intermediate bitfields are involved.

2009-05-27  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/40266
        * config/i386/driver-i386.c (host_detect_local_cpu): Support
        AVX, SSE4, AES, PCLMUL and POPCNT.

2009-05-27  Diego Novillo  <dnovillo@google.com>

        * tree-pretty-print.c (dump_location): New.
        (dump_generic_node): Call it.
        Factor code to handle BLOCK nodes ...
        (dump_block_node): ... here.

2009-05-27  Rafael Avila de Espindola  <espindola@google.com>

        * Makefile.in (GCC_PLUGIN_H): New. Replace all uses of gcc-plugin.h
        with it.
        * doc/plugins.texi: Document that gcc-plugin.h must be the first to be
        included.
        * gcc-plugin.h: Include config.h and system.h.
        (IN_GCC): Define if not defined.

2009-05-27  Hans-Peter Nilsson  <hp@axis.com>

        PR middle-end/40249
        * Makefile.in (CRTSTUFF_CFLAGS): Replace -fno-inline-functions
        with -fno-inline.

2009-05-27  Shujing Zhao  <pearly.zhao@oracle.com>

        * config/m32r/m32r.c: Use REG_P, MEM_P and CONST_INT_P where
        applicable.
        * config/m32r/m32r.h: Ditto.
        * config/m32r/m32r.md: Ditto.
        * config/m32r/predicates.md: Ditto.

2009-05-27  Alexandre Oliva  <aoliva@redhat.com>

        * cgraph.c (dump_cgraph_node): Honor -fdump-noaddr.

2009-05-26  Basile Starynkevitch  <basile@starynkevitch.net>

        * doc/plugins.texi
        (Loading plugins): typo.
        (Plugin callbacks): Documented PLUGIN_INFO, PLUGIN_GGC_START,
        PLUGIN_GGC_MARKING, PLUGIN_GGC_END, PLUGIN_REGISTER_GGC_ROOTS.
        (Interacting with the GCC Garbage Collector): Added new section.
        (Giving information about a plugin): Added new section for
        PLUGIN_INFO.
        * ggc.h (ggc_register_root_tab): Added declaration.
        * gcc-plugin.h (PLUGIN_GGC_START, PLUGIN_GGC_MARKING)
        (PLUGIN_GGC_END, PLUGIN_REGISTER_GGC_ROOTS): Added new events.
        (register_callback): Improved comment in declaration.
        * ggc-common.c (const_ggc_root_tab_t) Added new typedef for vectors.
        (extra_root_vec) Added static variable for dynamic roots registration.
        (ggc_register_root_tab) Added new routine.
        (ggc_mark_roots) Added iteration inside extra_root_vec, and invoke
        PLUGIN_GGC_MARKING event.
        * ggc-zone.c: Include plugin.h.
        (ggc_collect): Invoke PLUGIN_GGC_START & PLUGIN_GGC_END events.
        * ggc-page.c: Include plugin.h.
        (ggc_collect): Invoke PLUGIN_GGC_START & PLUGIN_GGC_END events.
        * plugin.c (plugin_event_name): added names of PLUGIN_GGC_START,
        PLUGIN_GGC_MARKING, PLUGIN_GGC_END, PLUGIN_REGISTER_GGC_ROOTS
        (register_callback): check lack of callbacks for
        pseudo-events. Added handling of PLUGIN_REGISTER_GGC_ROOTS,
        PLUGIN_GGC_START, PLUGIN_GGC_MARKING, PLUGIN_GGC_END.
        (invoke_plugin_callbacks): Handle PLUGIN_GGC_START,
        PLUGIN_GGC_MARKING, PLUGIN_GGC_END, PLUGIN_REGISTER_GGC_ROOTS.
        * Makefile.in (ggc-common.o, ggc-zone.o, ggc-page.o): Added
        dependency on plugin.h.
        (plugin.o): Added dependency on ggc.h...

2009-05-26  Richard Guenther  <rguenther@suse.de>

        PR middle-end/40248
        Revert
        * expr.c (expand_expr_real_1): Avoid calling do_store_flag
        with mismatched comparison modes.

        * expr.c (expand_expr_real_1): Expand the operand of a
        VIEW_CONVERT_EXPR in its natural mode.

2009-05-26  Ian Lance Taylor  <iant@google.com>

        * Makefile.in (COMPILER, COMPILER_FLAGS): Define.
        (COMPILER_FOR_BUILD, BUILD_COMPILERFLAGS): Define.
        (ALL_COMPILERFLAGS): Define.
        (.c.o, xgcc$(exeext), cpp$(exeext)): Use $(COMPILER).
        (cc1-dummy$(exeext), cc1$(exeext)): Likewise.
        (collect2$(exeext), collect2.o): Likewise.
        (c-opts.o, c-cppbuiltin.o, c-pch.o, gcc.o, gccspec.o): Likewise.
        (gcc-options.o, version.o, prefix.o, toplev.o): Likewise.
        ($(out_object_file), mips-tfile, mips-tdump): Likewise.
        (libbackend.o, intl.o, cppdefault.o): Likewise.
        (gcov$(exeext), gcov-dump$(exeext)): Likewise.
        (build/%.o): Use $(COMPILER_FOR_BUILD).
        (build/gen%$(build_exeext)): Likewise.
        (build/gcov-iov$(build_exeext)): LIkewise.
        * config/t-darwin (darwin.o): Use $(COMPILER).
        (darwin-c.o, darwin-f.o, darwin-driver.o): Likewise.
        * config/t-sol2 (sol2-c.o): Likewise.
        (sol2.o): Likewise.
        * config/t-vxworks (vxworks.o): Likewise.
        * config/x-darwin (host-darwin.o): Likewise.
        * config/x-hpux (host-hpux.o): Likewise.
        * config/x-linux (host-linux.o): Likewise.
        * config/x-solaris (host-solaris.o): Likewise.
        * config/alpha/x-alpha (driver-alpha.o): Likewise.
        * config/arm/t-arm (arm-c.o): Likewise.
        * config/arm/t-pe (pe.o): Likewise.
        * config/arm/t-wince-pe (pe.o): Likewise.
        * config/i386/t-cygming (winnt.o): Likewise.
        (winnt-cxx.o, winnt-stubs.o, msformat-c.o): Likewise.
        * config/i386/t-cygwin (cygwin1.o): Likewise.
        (cygwin2.o): Likewise.
        * config/i386/t-i386 (i386-c.o): Likewise.
        * config/i386/t-interix (winnt.o): Likewise.
        * config/i386/t-netware (netware.o): Likewise.
        * config/i386/t-nwld (nwld.o): Likewise.
        * config/i386/x-darwin (host-i386-darwin.o): Likewise.
        * config/i386/x-i386 (driver-i386.o): Likewise.
        * config/i386/x-cygwin (host-cygwin.o): Likewise.
        * config/i386/x-mingw32 (host-mingw32.o): Likewise.
        * config/ia64/t-ia64 (ia64-c.o): Likewise.
        * config/m32c/t-m32c (m32c-pragma.o): Likewise.
        * config/mips/x-native (driver-native.o): Likewise.
        * config/rs6000/t-rs6000 (rs6000-c.o): Likewise.
        * config/rs6000/x-darwin (host-ppc-darwin.o): Likewise.
        * config/rs6000/x-darwin64 (host-ppc64-darwin.o): Likewise.
        * config/rs6000/x-rs6000 (driver-rs6000.o): Likewise.
        * config/score/t-score-elf (score7.o): Likewise.
        (score3.o): Likewise.
        * config/sh/t-sh (sh-c.o): Likewise.
        * config/sh/t-symbian (sh-c.o): Likewise.
        (symbian.o): Likewise.
        * config/spu/t-spu-elf (spu-c.o): Likewise.
        * config/v850/t-v850 (v850-c.o): Likewise.
        * config/v850/t-v850e (v850-c.o): Likewise.

2009-05-26  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/40122
        * tree-ssa-ccp.c (ccp_fold): Fold vector CONSTRUCTORs to
        VECTOR_CSTs if possible.
        (fold_gimple_assign): Likewise.

2009-05-26  Richard Guenther  <rguenther@suse.de>

        PR middle-end/40252
        * fold-const.c (fold_binary): Use the correct types for building
        rotates.

2009-05-26  Richard Guenther  <rguenther@suse.de>

        * tree-vect-data-refs.c (vect_create_data_ref_ptr): Remove
        redundant calls to merge_alias_info.
        (bump_vector_ptr): Likewise.
        * tree-ssa-copy.c (merge_alias_info): Remove.
        (replace_exp_1): Remove call to merge_alias_info.
        (propagate_tree_value): Likewise.
        (fini_copy_prop): Propagate points-to info.
        * tree-flow.h (merge_alias_info): Remove.

2009-05-07  Hariharan Sandanagobalane <hariharan@picochip.com>

        * config/picochip/picochip.C (PARAM_INLINE_CALL_COST): Remove.

2009-05-25  Jan Hubicka  <jh@suse.cz>

        * cgraph.c (dump_cgraph_node): Dump size/time/benefit.
        * cgraph.h (struct inline_summary): New filed self_wize,
        size_inlining_benefit, self_time and time_inlining_benefit.
        (struct cgraph_global_info): Replace insns by time ans size fields.
        * ipa-cp (ipcp_cloning_candidate_p): Base estimate on size
        (ipcp_estimate_growth, ipcp_insert_stage): Likewise.
        (ipcp_update_callgraph): Do not touch function bodies.
        * ipa-inline.c: Include except.h
        (MAX_TIME): New constant.
        (overall_insns): Remove.
        (leaf_node_p): New.
        (overall_size, max_benefit): New static variables.
        (cgraph_estimate_time_after_inlining): New function.
        (cgraph_estimate_size_after_inlining): Rewrite using benefits.
        (cgraph_clone_inlined_nodes): Update size.
        (cgraph_mark_inline_edge): Update size.
        (cgraph_estimate_growth): Use size info.
        (cgraph_check_inline_limits): Check size.
        (cgraph_default_inline_p): Likewise.
        (cgraph_edge_badness): Compute badness based on benefit and size cost.
        (cgraph_decide_recursive_inlining): Check size.
        (cgraph_decide_inlining_of_small_function): Update size; dump sizes
        and times.
        (cgraph_decide_inlining): Likewise.
        (cgraph_decide_inlining_incrementally): Likewise; honor
        PARAM_EARLY_INLINING_INSNS.
        (likely_eliminated_by_inlining_p): New predicate.
        (estimate_function_body_sizes): New function.
        (compute_inline_parameters): Use it.
        * except.c (must_not_throw_labels): New function.
        * except.h (must_not_throw_labels): Declare.
        * tree-inline.c (init_inline_once): Kill inlining_weigths
        * tree-ssa-structalias.c: Avoid uninitialized warning.
        * params.def (PARAM_MAX_INLINE_INSNS_SINGLE): Reduce to 300.
        (PARAM_MAX_INLINE_INSNS_AUTO): Reduce to 60.
        (PARAM_INLINE_CALL_COST): Remove.
        (PARAM_EARLY_INLINING_INSNS): New.

2009-05-25  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/36327
        * tree-ssa-alias.c (walk_non_aliased_vuses): Add second walker
        callback for reference translation or lookup at the point of may-defs.
        * tree-ssa-alias.h (walk_non_aliased_vuses): Adjust prototype.
        * tree-ssa-sccvn.c (get_ref_from_reference_ops): Bail out
        for union COMPONENT_REFs.
        (vn_reference_lookup_3): New callback.  Lookup from memset
        and CONSTRUCTOR assignment, translate through struct copies.
        (vn_reference_lookup_pieces): Make sure to not free the
        passed operands array.  Adjust walk_non_aliased_vuses call.
        (vn_reference_lookup): Adjust walk_non_aliased_vuses call,
        make sure we do not leak memory.

2009-05-25  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-alias.h (dump_points_to_solution): Declare.
        * tree-inline.c (expand_call_inline): Reset the escaped and
        callused solutions.
        * tree-ssa-structalias.c (pass_build_ealias): New.
        * tree-pass.h (pass_build_ealias): Declare.
        * passes.c (init_optimization_passes): Add PTA during
        early optimizations.
        * tree-ssa-alias.c (dump_alias_info): Dump the ESCAPED
        and CALLUSED solutions.
        (dump_points_to_solution): New function, split out from ...
        (dump_points_to_info_for): ... here.
        * tree-parloops.c (parallelize_loops): Reset the escaped and
        callused solutions.

2009-05-25  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>

        PR bootstrap/40027
        * config/i386/i386.c (USE_HIDDEN_LINKONCE): Only define if missing.
        * config/i386/sol2.h [!TARGET_GNU_LD] (USE_HIDDEN_LINKONCE): Define.

2009-05-25  Ira Rosen  <irar@il.ibm.com>

        PR tree-optimization/40238
        * tree-vect-stmts.c (vect_init_vector): Insert initialization
        statements after basic block's labels.
        * tree-vect-slp.c (vect_slp_transform_bb): Call destroy_bb_vec_info()
        to free the allocated memory.

2009-05-24  Kaz Kojima  <kkojima@gcc.gnu.org>

        * gcc/config/sh/sh.c (sh_set_return_address): Mark store of
        return address with a USE.

2009-05-24  Richard Guenther  <rguenther@suse.de>

        PR middle-end/40233
        * tree.c (make_vector_type): Build the TYPE_DEBUG_REPRESENTATION_TYPEs
        array type from the main variant of the inner type.

2009-05-24  Jan-Benedict Glaw  <jbglaw@lug-owl.de>

        * config/vax/vax-protos.h (legitimate_constant_address_p): Change
        definition to bool (from int) to un-break build.
        (legitimate_constant_p, vax_mode_dependent_address_p): Likewise.

2009-05-24  Paolo Bonzini  <bonzini@gnu.org>

        * tree-ssa-operands.h (push_stmt_changes, pop_stmt_changes,
        discard_stmt_changes): Delete.
        * tree-ssa-operands.c (scb_stack): Delete.
        (init_ssa_operands): Do not initialize it.
        (fini_ssa_operands): Do not free it.
        (push_stmt_changes, pop_stmt_changes, discard_stmt_changes): Delete.

        * tree-cfg.c (replace_uses_by): Replace pop_stmt_changes with
        update_stmt, remove the others.  Fix comments.
        * tree-dfa.c (optimize_stack_restore): Likewise.
        * tree-ssa-forwprop.c (forward_propagate_addr_expr): Likewise.
        * tree-ssa-loop-ivopts.c (rewrite_use): Likewise.
        * tree-ssa-dce.c (eliminate_unnecessary_stmts): Likewise.
        * tree-ssa-ccp.c (optimize_stack_restore, execute_fold_all_builtins):
        Likewise.
        * tree-ssa-propagate.c (substitute_and_fold): Likewise.
        * tree-ssa-dom.c (propagate_rhs_into_lhs): Likewise.
        (dom_opt_finalize_block): Likewise, adjusting access to
        stmts_to_rescan.
        (optimize_stmt): Likewise, adjusting access to stmts_to_rescan.
        (stmts_to_rescan): Change item type to gimple.
        (tree_ssa_dominator_optimize): Change type of stmts_to_rescan.

2009-05-24  Ira Rosen  <irar@il.ibm.com>

        * doc/passes.texi (Tree-SSA passes): Document SLP pass.
        * tree-pass.h (pass_slp_vectorize): New pass.
        * params.h (SLP_MAX_INSNS_IN_BB): Define.
        * timevar.def (TV_TREE_SLP_VECTORIZATION): Define.
        * tree-vectorizer.c (timevar.h): Include.
        (user_vect_verbosity_level): Declare.
        (vect_location): Fix comment.
        (vect_set_verbosity_level): Update user_vect_verbosity_level
        instead of vect_verbosity_level.
        (vect_set_dump_settings): Add an argument. Ignore user defined
        verbosity if dump flags require higher level of verbosity. Print to
        stderr only for loop vectorization.
        (vectorize_loops): Update call to vect_set_dump_settings.
        (execute_vect_slp): New function.
        (gate_vect_slp): Likewise.
        (struct gimple_opt_pass pass_slp_vectorize): New.
        * tree-vectorizer.h (struct _bb_vec_info): Define along macros to
        access its members.
        (vec_info_for_bb): New function.
        (struct _stmt_vec_info): Add bb_vinfo and a macro for its access.
        (VECTORIZATION_ENABLED): New macro.
        (SLP_ENABLED, SLP_DISABLED): Likewise.
        (vect_is_simple_use): Add bb_vec_info argument.
        (new_stmt_vec_info, vect_analyze_data_ref_dependences,
        vect_analyze_data_refs_alignment, vect_verify_datarefs_alignment,
        vect_analyze_data_ref_accesses, vect_analyze_data_refs,
        vect_schedule_slp, vect_analyze_slp): Likewise.
        (vect_analyze_stmt): Add slp_tree argument.
        (find_bb_location): Declare.
        (vect_slp_analyze_bb, vect_slp_transform_bb): Likewise.
        * tree-vect-loop.c (new_loop_vec_info): Adjust function calls.
        (vect_analyze_loop_operations, vect_analyze_loop,
        get_initial_def_for_induction, vect_create_epilog_for_reduction,
        vect_finalize_reduction, vectorizable_reduction,
        vectorizable_live_operation, vect_transform_loop): Likewise.
        * tree-data-ref.c (dr_analyze_innermost): Update comment,
        skip evolution analysis if analyzing a basic block.
        (dr_analyze_indices): Likewise.
        (initialize_data_dependence_relation): Skip the test whether the
        object is invariant for basic blocks.
        (compute_all_dependences): Skip dependence analysis for data
        references in basic blocks.
        (find_data_references_in_stmt): Don't fail in case of invariant
        access in basic block.
        (find_data_references_in_bb): New function.
        (find_data_references_in_loop): Move code to
        find_data_references_in_bb and add a call to it.
        (compute_data_dependences_for_bb): New function.
        * tree-data-ref.h (compute_data_dependences_for_bb): Declare.
        * tree-vect-data-refs.c (vect_check_interleaving): Adjust to the case
        that STEP is 0.
        (vect_analyze_data_ref_dependence): Check for interleaving in case of
        unknown dependence in basic block and fail in case of dependence in
        basic block.
        (vect_analyze_data_ref_dependences): Add bb_vinfo argument, get data
        dependence instances from either loop or basic block vectorization
        info.
        (vect_compute_data_ref_alignment): Check if it is loop vectorization
        before calling nested_in_vect_loop_p.
        (vect_compute_data_refs_alignment): Add bb_vinfo argument, get data
        dependence instances from either loop or basic block vectorization
        info.
        (vect_verify_datarefs_alignment): Likewise.
        (vect_enhance_data_refs_alignment): Adjust function calls.
        (vect_analyze_data_refs_alignment): Likewise.
        (vect_analyze_group_access): Fix printing. Skip different checks if
        DR_STEP is 0. Keep strided stores either in loop or basic block
        vectorization data structure. Fix indentation.
        (vect_analyze_data_ref_access): Fix comments, allow zero step in
        basic blocks.
        (vect_analyze_data_ref_accesses): Add bb_vinfo argument, get data
        dependence instances from either loop or basic block vectorization
        info.
        (vect_analyze_data_refs): Update comment. Call
        compute_data_dependences_for_bb to analyze basic blocks.
        (vect_create_addr_base_for_vector_ref): Check for outer loop only in
        case of loop vectorization. In case of basic block vectorization use
        data-ref itself as a base.
        (vect_create_data_ref_ptr): In case of basic block vectorization:
        don't advance the pointer, add new statements before the current
        statement.  Adjust function calls.
        (vect_supportable_dr_alignment): Support only aligned accesses in
        basic block vectorization.
        * common.opt (ftree-slp-vectorize): New flag.
        * tree-vect-patterns.c (widened_name_p): Adjust function calls.
        (vect_pattern_recog_1): Likewise.
        * tree-vect-stmts.c (process_use): Likewise.
        (vect_init_vector): Add new statements in the beginning of the basic
        block in case of basic block SLP.
        (vect_get_vec_def_for_operand): Adjust function calls.
        (vect_finish_stmt_generation): Likewise.
        (vectorizable_call): Add assert that it is loop vectorization, adjust
        function calls.
        (vectorizable_conversion, vectorizable_assignment): Likewise.
        (vectorizable_operation): In case of basic block SLP, take
        vectorization factor from statement's type and skip the relevance
        check. Adjust function calls.
        (vectorizable_type_demotion): Add assert that it is loop
        vectorization, adjust function calls.
        (vectorizable_type_promotion): Likewise.
        (vectorizable_store): Check for outer loop only in case of loop
        vectorization. Adjust function calls. For basic blocks, skip the
        relevance check and don't advance pointers.
        (vectorizable_load): Likewise.
        (vectorizable_condition): Add assert that it is loop vectorization,
        adjust function calls.
        (vect_analyze_stmt): Add argument. In case of basic block SLP, check
        that it is not reduction, get vector type, call only supported
        functions, skip loop specific parts.
        (vect_transform_stmt): Check for outer loop only in case of loop
        vectorization.
        (new_stmt_vec_info): Add new argument and initialize bb_vinfo.
        (vect_is_simple_use): Fix comment, add new argument, fix conditions
        for external definition.
        * passes.c (pass_slp_vectorize): New pass.
        * tree-vect-slp.c (find_bb_location): New function.
        (vect_get_and_check_slp_defs): Add argument, adjust function calls,
        check for patterns only in loops.
        (vect_build_slp_tree): Add argument, adjust function calls, fail in
        case of multiple types in basic block SLP.
        (vect_mark_slp_stmts_relevant): New function.
        (vect_supported_load_permutation_p): Fix comment.
        (vect_analyze_slp_instance): Add argument. In case of basic block
        SLP, take vectorization factor from statement's type, check that
        unrolling factor is 1. Adjust function call. Save SLP instance in
        either loop or basic block vectorization structure. Return FALSE,
        if SLP failed.
        (vect_analyze_slp): Add argument. Get strided stores groups from
        either loop or basic block vectorization structure. Return FALSE
        if basic block SLP failed.
        (new_bb_vec_info): New function.
        (destroy_bb_vec_info, vect_slp_analyze_node_operations,
        vect_slp_analyze_operations, vect_slp_analyze_bb): Likewise.
        (vect_schedule_slp): Add argument. Get SLP instances from either
        loop or basic block vectorization structure. Set vectorization factor
        to be 1 for basic block SLP.
        (vect_slp_transform_bb): New function.
        * params.def (PARAM_SLP_MAX_INSNS_IN_BB): Define.

2009-05-23  Mark Mitchell  <mark@codesourcery.com>

        * final.c (shorten_branches): Do not align labels for jump tables.
        (final_scan_insn): Use JUMP_TABLE_DATA_P.

2009-05-23  Eric Botcazou  <ebotcazou@adacore.com>

        * doc/passes.texi: Standardize spelling of RTL, Tree and Tree SSA.
        Remove outdated reference to flow.c and fix nits.
        * doc/gccint.texi: Tweak RTL description.
        * doc/rtl.texi: Likewise.

2009-05-23  Denis Chertykov  <chertykov@gmail.com>

        * config/avr/avr.c: Change my email address.
        * config/avr/avr.h: Likewise.
        * config/avr/avr.md: Likewise.
        * config/avr/avr-protos.h: Likewise.
        * config/avr/libgcc.S: Likewise.

2009-05-22  Trevor Smigiel <Trevor_Smigiel@playstation.sony.com>

        * config/spu/spu-protos.h (aligned_mem_p, spu_valid_mov): Remove.
        (spu_split_load, spu_split_store): Change return type to int.
        (spu_split_convert): Declare.
        * config/spu/predicates.md (spu_mem_operand): Remove.
        (spu_mov_operand): Update.
        (spu_dest_operand, shiftrt_operator, extend_operator): Define.
        * config/spu/spu.c (regno_aligned_for_load): Remove.
        (reg_aligned_for_addr, spu_expand_load): Define.
        (spu_expand_extv): Reimplement and handle MEM.
        (spu_expand_insv): Handle MEM.
        (spu_sched_reorder): Handle insn's with length 0.
        (spu_legitimate_address_p): Reimplement.
        (store_with_one_insn_p): Return TRUE for any mode with size
        larger than 16 bytes.
        (address_needs_split): Define.
        (spu_expand_mov): Call spu_split_load and spu_split_store for MEM
        operands.
        (spu_convert_move): Define.
        (spu_split_load): Use spu_expand_load and change all MEM's to TImode.
        (spu_split_store): Change all MEM's to TImode.
        (spu_init_expanders): Preallocate registers that correspond to
        LAST_VIRTUAL_REG+1 and LAST_VIRTUAL_REG+2 and set them with
        mark_reg_pointer.
        (spu_split_convert): Define.
        * config/spu/spu.md (QHSI, QHSDI): New mode iterators.
        (_move<mode>, _movdi, _movti): Update predicate and condition.
        (load, store): Change to define_split.
        (extendqiti2, extendhiti2, extendsiti2, extendditi2): Simplify to
        extend<mode>ti2.
        (zero_extendqiti2, zero_extendhiti2, <v>lshr<mode>3_imm): Define.
        (lshr<mode>3, lshr<mode>3_imm, lshr<mode>3_re): Simplify to one
        define_insn_and_split of lshr<mode>3.
        (shrqbybi_<mode>, shrqby_<mode>): Simplify to define_expand.
        (<v>ashr<mode>3_imm): Define.
        (extv, extzv, insv): Allow MEM operands.
        (trunc_shr_ti<mode>, trunc_shr_tidi, shl_ext_<mode>ti,
        shl_ext_diti, sext_trunc_lshr_tiqisi, zext_trunc_lshr_tiqisi,
        sext_trunc_lshr_tihisi, zext_trunc_lshr_tihisi): Define for combine.
        (_spu_convert2): Change to define_insn_and_split and remove the
        corresponding define_peephole2.
        (stack_protect_set, stack_protect_test, stack_protect_test_si):
        Change predicates to memory_operand.

2009-05-22  Mark Mitchell  <mark@codesourcery.com>

        * config/arm/thumb2.md: Add 16-bit multiply instructions.

2009-05-21  Michael Meissner  <meissner@linux.vnet.ibm.com>

        PR tree-optimization/40219
        * tree.c (iterative_hash_expr): Make sure the builtin function is
        a normal builtin function and not a front end or back end builtin
        before indexing into the built_in_decls array.

2009-05-22  Richard Guenther  <rguenther@suse.de>

        PR middle-end/38964
        * alias.c (write_dependence_p): Do not use TBAA for answering
        anti-dependence or output-dependence.
        * tree-ssa-structalias.c (set_uids_in_ptset): Remove TBAA pruning code.
        (emit_pointer_definition): Remove.
        (emit_alias_warning): Likewise.
        (find_what_var_points_to): Remove TBAA pruning code.
        (find_what_p_points_to): Likewise.  Do not warn about strict-aliasing
        violations.
        (compute_points_to_sets): Remove code computing the set of
        dereferenced pointers.
        * tree-data-ref.c (dr_may_alias_p): Properly use the split
        oracle for querying anti and output dependencies.
        * tree-ssa-alias.c (refs_may_alias_p_1): Add argument specifying
        if TBAA may be applied.
        (refs_anti_dependent_p): New function.
        (refs_output_dependent_p): Likewise.
        * tree-ssa-alias.h (refs_anti_dependent_p): Declare.
        (refs_output_dependent_p): Likewise.
        * doc/tree-ssa.texi (Memory model): New section.
        * doc/c-tree.texi (CHANGE_DYNAMIC_TYPE_EXPR): Remove.
        * doc/gimple.texi (GIMPLE_CHANGE_DYNAMIC_TYPE): Remove.
        * cfgexpand.c (expand_gimple_basic_block): Do not handle
        GIMPLE_CHANGE_DYNAMIC_TYPE or CHANGE_DYNAMIC_TYPE_EXPR.
        * expr.c (expand_expr_real_1): Likewise.
        * gimple-low.c (lower_stmt): Likewise.
        * gimple-pretty-print.c (dump_gimple_stmt): Likewise.
        (dump_gimple_cdt): Remove.
        * gimple.c (gss_for_code): Do not handle GIMPLE_CHANGE_DYNAMIC_TYPE.
        (gimple_size): Likewise.
        (walk_gimple_op): Likewise.
        (is_gimple_stmt): Likewise.
        (walk_stmt_load_store_addr_ops): Likewise.
        (gimple_build_cdt): Remove.
        * gimple.def (GIMPLE_CHANGE_DYNAMIC_TYPE): Remove.
        * gimple.h (gimple_cdt_new_type): Remove.
        (gimple_cdt_new_type_ptr): Likewise.
        (gimple_cdt_set_new_type): Likewise.
        (gimple_cdt_location): Likewise.
        (gimple_cdt_location_ptr): Likewise.
        (gimple_cdt_set_location): Likewise.
        * gimplify.c (gimplify_expr): Do not handle CHANGE_DYNAMIC_TYPE_EXPR.
        * tree-cfg.c (remove_useless_stmts_1): Do not handle
        GIMPLE_CHANGE_DYNAMIC_TYPE.
        (verify_types_in_gimple_stmt): Likewise.
        * tree-inline.c (estimate_num_insns): Likewise.
        (expand_call_inline): Do not copy DECL_NO_TBAA_P.
        (copy_decl_to_var): Likewise.
        (copy_result_decl_to_var): Likewise.
        * tree-pretty-print.c (dump_generic_node): Do not handle
        CHANGE_DYNAMIC_TYPE_EXPR.
        * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Likewise.
        * tree-ssa-operands.c (get_expr_operands): Likewise.
        * tree-ssa-structalias.c (struct variable_info): Remove
        no_tbaa_pruning member.
        (new_var_info): Do not set it based on DECL_NO_TBAA_P.
        (unify_nodes): Do not copy it.
        (find_func_aliases): Do not handle GIMPLE_CHANGE_DYNAMIC_TYPE.
        (dump_solution_for_var): Do not dump no_tbaa_pruning state.
        (set_uids_in_ptset): Do not check it.
        (find_what_var_points_to): Likewise.
        (compute_tbaa_pruning): Remove.
        (compute_points_to_sets): Do not call it.
        * tree.c (walk_tree_1): Do not handle CHANGE_DYNAMIC_TYPE_EXPR.
        * tree.def (CHANGE_DYNAMIC_TYPE_EXPR): Remove.
        * tree.h (CHANGE_DYNAMIC_TYPE_NEW_TYPE): Remove.
        (CHANGE_DYNAMIC_TYPE_LOCATION): Likewise.
        (DECL_NO_TBAA_P): Likewise.
        (struct tree_decl_common): Move no_tbaa_flag to unused flags section.
        * omp-low.c (copy_var_decl): Do not copy DECL_NO_TBAA_P.
        (expand_omp_atomic_pipeline): Do not set it.
        * print-tree.c (print_node): Do not dump it.
        * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Remove
        redundant check.

2009-05-22 Vladimir Makarov <vmakarov@redhat.com>

        PR target/39856
        * reg-stack.c (subst_stack_regs_pat): Remove gcc_assert for note
        for clobber.

2009-05-22  Mark Mitchell  <mark@codesourcery.com>

        * tree.c (handle_dll_attribute): Mark dllexport'd inlines as
        non-external.

2009-05-22  Ben Elliston  <bje@au.ibm.com>

        * Makefile.in (bversion.h, s-bversion): New targets.
        (TOPLEV_H): Add bversion.h.
        * toplev.h: Include "bversion.h".
        (ATTRIBUTE_GCC_DIAG): When building with checking disabled, use
        the __format__ attribute only if compiling with the same version
        of GCC as the sources (the "build version").

2009-05-22  Ben Elliston  <bje@au.ibm.com>

        * c-format.c (handle_format_attribute): Fix comment typo.

2009-05-21  Steve Ellcey  <sje@cup.hp.com>

        PR target/37846
        * config/ia64/ia64.opt (mfused-madd): New.
        * config/ia64/ia64.h (TARGET_DEFAULT): Set MASK_FUSED_MADD.
        * config/ia64/hpux.h (TARGET_DEFAULT): Ditto.
        * config/ia64/ia64.md (maddsf4, msubsf4, nmaddsf4,
        madddf4, madddf4_trunc, msubdf4, msubdf4_trunc, nmadddf4,
        nmadddf4_truncsf, maddxf4, maddxf4_truncsf, maddxf4_truncdf,
        msubxf4, msubxf4_truncsf msubxf4_truncdf, nmaddxf4,
        nmaddxf4_truncsf, nmaddxf4_truncdf): Check TARGET_FUSED_MADD.
        * config/ia64/vect.md (addv2sf3, subv2sf3): Force fpma/fpms
        instruction if !TARGET_FUSED_MADD.
        (fpma, fpms): Remove colon from name.

2009-05-22  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Record
        TMR_ORIGINAL.  Always either record TMR_SYMBOL or TMR_BASE.
        * tree-ssa-pre.c (create_component_ref_by_pieces_1): Handle
        TARGET_MEM_REF.
        (create_expression_by_pieces): Only convert if necessary.
        * gimplify.c (gimplify_expr): Handle TARGET_MEM_REF.
        * tree-ssa-loop-im.c (gen_lsm_tmp_name): Handle INTEGER_CST.

2009-05-21  Adam Nemet  <anemet@caviumnetworks.com>

        * config/mips/mips.md (*extzv_trunc<mode>_exts): Turn into a
        regular pattern from a template and rename it ...
        (*extzv_truncsi_exts): ... to this.

2009-05-21  Richard Guenther  <rguenther@suse.de>

        * cgraph.h (struct cgraph_node): Remove inline_decl member.
        * ipa-inline.c (cgraph_mark_inline_edge): Do not check it.
        (cgraph_default_inline_p): Likewise.
        (cgraph_decide_inlining_incrementally): Likewise.

2009-05-21  H.J. Lu  <hongjiu.lu@intel.com>
            Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/cpuid.h (bit_MOVBE): New.

        * config/i386/driver-i386.c (host_detect_local_cpu): Check movbe.

        * config/i386/i386.c (OPTION_MASK_ISA_MOVBE_SET): New.
        (OPTION_MASK_ISA_MOVBE_UNSET): Likewise.
        (ix86_handle_option): Handle OPT_mmovbe.
        (ix86_target_string): Add -mmovbe.
        (pta_flags): Add PTA_MOVBE.
        (processor_alias_table): Add PTA_MOVBE to "atom".
        (override_options): Handle PTA_MOVBE.

        * config/i386/i386.h (TARGET_MOVBE): New.

        * config/i386/i386.md (bswapsi2): Check TARGET_MOVBE.
        (*bswapsi_movbe): New.
        (*bswapdi_movbe): Likewise.
        (bswapdi2): Renamed to ...
        (*bswapdi_1): This.
        (bswapdi2): New expander.

        * config/i386/i386.opt (mmovbe): New.

        * doc/invoke.texi: Document -mmovbe.

2009-05-21  Taras Glek  <tglek@mozilla.com>

        * plugin.c (try_init_one_plugin): Updated to new plugin_init API.
        * gcc-plugin.h (plugin_init): Updated signature.
        * gcc-plugin.h (plugin_name_args): Moved to this header.
        * doc/plugins.texi (plugin_init): Updated documention to reflect
        API change.
        * doc/plugins.texi (plugin_name_args): Added to documention.

2009-05-21  Mark Mitchell  <mark@codesourcery.com>

        * config/arm/neon.md (*mul<mode>3add<mode>_neon): New pattern.
        (*mul<mode>3neg<mode>add<mode>_neon): Likewise.

2009-05-21  Shujing Zhao  <pearly.zhao@oracle.com>

        * config/i386/i386.c: Use REG_P, MEM_P, CONST_INT_P, LABEL_P and
        JUMP_TABLE_DATA_P predicates where applicable.
        * config/i386/predicates.md: Ditto.
        * config/i386/sse.md: Ditto.

2009-05-21  Jakub Jelinek  <jakub@redhat.com>

        * config/i386/i386.md (adddi_4_rex64, addsi_4, addhi_4): For
        operand2 -128 override length_immediate attribute to 1.
        * config/i386/predicates.md (constm128_operand): New predicate.

        * config/i386/i386.c (memory_address_length): Handle %r12
        the same as %rsp and %r13 the same as %rbp.  For %rsp and %rbp
        also check REGNO.
        (ix86_attr_length_address_default): For MODE_SI lea in 64-bit
        mode look through optional ZERO_EXTEND and SUBREG.
        * config/i386/i386.md (R12_REG): New define_constant.
        (prefix_data16): For sse unit set also for MODE_TI insns.
        (prefix_rex): For -m32 always return 0.  For TYPE_IMOVX
        insns set if operand 1 is ext_QIreg_operand.
        (modrm): For TYPE_IMOV clear only if not MODE_DI.  For
        TYPE_{ALU{,1},ICMP,TEST} insn clear if there is non-shortened
        immediate.
        (*movdi_extzv_1, zero_extendhidi2, zero_extendqidi2): Change
        mode from MODE_DI to MODE_SI.
        (movdi_1_rex64): Override modrm and length_immediate attributes
        only for movabs (TYPE_IMOV, alternative 2).
        (zero_extendsidi2_rex64): Clear prefix_0f attribute if TYPE_IMOVX.
        (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_interunit,
        *float<SSEMODEI24:mode><MODEF:mode>2_mixed_nointerunit,
        *float<SSEMODEI24:mode><MODEF:mode>2_sse_interunit,
        *float<SSEMODEI24:mode><MODEF:mode>2_sse_nointerunit): Set
        prefix_rex attribute if DImode.
        (*adddi_1_rex64, *adddi_2_rex64, *adddi_3_rex64, *adddi_5_rex64,
        *addsi_1, *addsi_1_zext, *addsi_2, *addsi_2_zext, *addsi_3,
        *addsi_3_zext, *addsi_5, *addhi_1_lea, *addhi_1, *addhi_2, *addhi_3,
        *addhi_5, *addqi_1_lea, *addqi_1): Override length_immediate
        attribute to 1 if TYPE_ALU and operand 2 is const128_operand.
        (pro_epilogue_adjust_stack_1, pro_epilogue_adjust_stack_rex64):
        Likewise.  For TYPE_IMOV clear length_immediate attribute.
        (*ashldi3_1_rex64, *ashldi3_cmp_rex64, *ashldi3_cconly_rex64,
        *ashlsi3_1, *ashlsi3_1_zext, *ashlsi3_cmp, **ashlsi3_cconly,
        *ashlsi3_cmp_zext, *ashlhi3_1_lea, *ashlhi3_1, *ashlhi3_cmp,
        *ashlhi3_cconly, *ashlqi3_1_lea, *ashlqi3_1, *ashlqi3_cmp,
        *ashlqi3_cconly): Override length_immediate attribute to 0 if TYPE_ALU
        or one operand TYPE_ISHIFT.
        (*ashrdi3_1_one_bit_rex64, *ashrdi3_one_bit_cmp_rex64,
        *ashrdi3_one_bit_cconly_rex64, *ashrsi3_1_one_bit,
        *ashrsi3_1_one_bit_zext, *ashrsi3_one_bit_cmp,
        *ashrsi3_one_bit_cconly, *ashrsi3_one_bit_cmp_zext,
        *ashrhi3_1_one_bit, *ashrhi3_one_bit_cmp, *ashrhi3_one_bit_cconly,
        *ashrqi3_1_one_bit, *ashrqi3_1_one_bit_slp, *ashrqi3_one_bit_cmp,
        *ashrqi3_one_bit_cconly, *lshrdi3_1_one_bit_rex64,
        *lshrdi3_cmp_one_bit_rex64, *lshrdi3_cconly_one_bit_rex64,
        *lshrsi3_1_one_bit, *lshrsi3_1_one_bit_zext, *lshrsi3_one_bit_cmp,
        *lshrsi3_one_bit_cconly, *lshrsi3_cmp_one_bit_zext,
        *lshrhi3_1_one_bit, *lshrhi3_one_bit_cmp, *lshrhi3_one_bit_cconly,
        *lshrqi3_1_one_bit, *lshrqi3_1_one_bit_slp, *lshrqi2_one_bit_cmp,
        *lshrqi2_one_bit_cconly, *rotlsi3_1_one_bit_rex64, *rotlsi3_1_one_bit,
        *rotlsi3_1_one_bit_zext, *rotlhi3_1_one_bit, *rotlqi3_1_one_bit_slp,
        *rotlqi3_1_one_bit, *rotrdi3_1_one_bit_rex64, *rotrsi3_1_one_bit,
        *rotrsi3_1_one_bit_zext, *rotrhi3_one_bit, *rotrqi3_1_one_bit,
        *rotrqi3_1_one_bit_slp): Override length_immediate attribute to 0,
        set mode attribute, don't override length attribute.
        (*btsq, *btrq, *btcq, *btdi_rex64, *btsi): Set prefix_0f attribute
        to 1.
        (return_internal_long): Set length attribute to 2 instead of 1.
        (*strmovqi_rex_1, *strsetqi_rex_1, *rep_stosqi_rex64,
        *cmpstrnqi_nz_rex_1, *cmpstrnqi_rex_1, *strlenqi_rex_1): Clear
        prefix_rex attribute.
        * config/i386/predicates.md (ext_QIreg_operand, const128_operand):
        New predicates.
        (memory_displacement_only_operand): Always return 0 for TARGET_64BIT.

2009-05-21  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>

        * config/arm/thumb2.md (orsi_notsi_si): Fix typo in pattern.

2009-05-20  Ian Lance Taylor  <iant@google.com>

        * tree.c (build_tree_list_vec_stat): New function.
        (ctor_to_vec): New function.
        (build_nt_call_vec): New function.
        (build_call_array): Change args to be a const pointer.
        (build_call_vec): New function.
        * tree.h (build_nt_call_vec): Declare.
        (build_tree_list_vec_stat): Declare.
        (build_tree_list_vec): Define.
        (build_call_array): Update declaration.
        (build_call_vec): Declare.
        (ctor_to_vec): Declare.
        * c-common.c (tree_vector_cache): New static variable.
        (make_tree_vector): New function.
        (release_tree_vector): New function.
        (make_tree_vector_single): New function.
        (make_tree_vector_copy): New function.
        * c-common.h (tree_vector_cache, make_tree_vector): Declare.
        (make_tree_vector_single, make_tree_vector_copy): Declare.
        * c-parser.c (cached_expr_list_1, cached_expr_list_2): Remove.
        (c_parser_expr_list): Don't manage cache here, instead call
        make_tree_vector.
        (c_parser_release_expr_list): Remove static function.
        (c_parser_vec_to_tree_list): Remove static function.
        (c_parser_attributes): Call build_tree_list_vec instead of
        c_parser_vec_to_tree_list.  Call release_tree_vector instead of
        c_parser_release_expr_list.
        (c_parser_postfix_expression_after_primary): Likewise.
        (c_parser_objc_keywordexpr): Likewise.

2009-05-20  Sandra Loosemore  <sandra@codesourcery.com>

        * doc/tm.texi (Misc): Document TARGET_INVALID_PARAMETER_TYPE,
        TARGET_INVALID_RETURN_TYPE, TARGET_PROMOTED_TYPE, and
        TARGET_CONVERT_TO_TYPE.
        * hooks.c (hook_tree_const_tree_null): Define.
        * hooks.h (hook_tree_const_tree_null): Declare.
        * target.h (struct gcc_target):  Add invalid_parameter_type,
        invalid_return_type, promoted_type, and convert_to_type fields.
        * target-def.h: (TARGET_INVALID_PARAMETER_TYPE): Define.
        (TARGET_INVALID_RETURN_TYPE): Define.
        (TARGET_PROMOTED_TYPE): Define.
        (TARGET_CONVERT_TO_TYPE): Define.
        (TARGET_INITIALIZER): Update for new fields.
        * c-decl.c (grokdeclarator): Check targetm.invalid_return_type.
        (grokparms): Check targetm.invalid_parameter_type.
        * c-typeck.c (default_conversion): Check targetm.promoted_type.
        * c-convert.c (convert): Check targetm.convert_to_type.

2009-05-20  Adam Nemet  <anemet@caviumnetworks.com>

        * config/mips/mips.md (*extenddi_truncate<mode>,
        *extendsi_truncate<mode>): Emit exts if supported.  Add attribute
        defintions.
        (*extendhi_truncateqi): New define_insn_and_sptit.

2009-05-20  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/40204
        * fold-const.c (fold_binary) <case BIT_AND_EXPR>: Avoid infinite
        recursion if build_int_cst_type returns the same INTEGER_CST as arg1.

2009-05-20  Eric Botcazou  <ebotcazou@adacore.com>

        * fold-const.c (build_fold_addr_expr_with_type): Take the address of
        the operand of VIEW_CONVERT_EXPR.

2009-05-20  H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/driver-i386.c (host_detect_local_cpu): Check
        extended family and model for Intel processors.  Support Intel Atom.

2009-05-20  Olivier Hainque  <hainque@adacore.com>

        * gstab.h (stab_code_type): Define, to be used instead of the
        __stab_debug_code enum, made anonymous.  Add 2009 to the copyright
        notice.
        * dbxout.c (STAB_CODE_TYPE): Remove #define and replace use
        occurrences by stab_code_type.
        * mips-tfile.c (STAB_CODE_TYPE): Remove #define, unused.

2009-05-20  Martin Jambor  <mjambor@suse.cz>

        * tree-flow.h (insert_edge_copies_seq): Undeclare.
        (sra_insert_before): Likewise.
        (sra_insert_after): Likewise.
        (sra_init_cache): Likewise.
        (sra_type_can_be_decomposed_p): Likewise.
        * tree-mudflap.c (insert_edge_copies_seq): Copied here from tree-sra.c
        * tree-sra.c (sra_type_can_be_decomposed_p): Made static.
        (sra_insert_before): Likewise.
        (sra_insert_after): Likewise.
        (sra_init_cache): Likewise.
        (insert_edge_copies_seq): Made static and moved upwards.

        * tree-complex.c (extract_component): Added VIEW_CONVERT_EXPR switch
        case.

        * tree-flow-inline.h (contains_view_convert_expr_p): New function.

        * ipa-prop.c (get_ssa_def_if_simple_copy): New function.
        (determine_cst_member_ptr): Call get_ssa_def_if_simple_copy to skip
        simple copies.

2009-05-20  Richard Guenther  <rguenther@suse.de>

        * expr.c (expand_expr_real_1): Avoid calling do_store_flag
        with mismatched comparison modes.

2009-05-20  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>

        * config/arm/arm.md (*arm_iorsi3): Refactored for only ARM.
        (peephole ior (reg, int) -> mov, ior): Refactored for only ARM.
        * config/arm/thumb2.md (*thumb_andsi_not_shiftsi_si): Allow bic
        with shifts for Thumb2.
        (orsi_notsi): New for orn.
        (*thumb_orsi_notshiftsi_si): Allow orn with shifts.
        (*thumb2_iorsi3): Rewrite support for iorsi for Thumb2.
        * config/arm/arm.c (const_ok_for_op): Split case for IOR for Thumb2.
        (arm_gen_constant): Set can_invert for IOR and Thumb2, Add comments.
        Don't invert remainder for IOR.

2009-05-19  Zdenek Dvorak  <ook@ucw.cz>

        PR tree-optimization/40087
        * tree-ssa-loop-niter.c (number_of_iterations_ne_max,
        number_of_iterations_ne): Rename never_infinite argument.
        (number_of_iterations_lt_to_ne, number_of_iterations_lt,
        number_of_iterations_le): Handle pointer-type ivs when
        exit_must_be_taken is false.
        (number_of_iterations_cond):  Do not always assume that
        exit_must_be_taken if the control variable is a pointer.

2009-05-19  Andrew Pinski  <andrew_pinski@playstation.sony.com>

        * c-typeck.c (build_binary_op): Allow % on integal vectors.
        * doc/extend.texi (Vector Extension): Document that % is allowed too.

2009-05-19  H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/i386.c (ix86_avoid_jump_mispredicts): Check
        ASM_OUTPUT_MAX_SKIP_PAD instead of ASM_OUTPUT_MAX_SKIP_ALIGN.

2009-05-19  Manuel López-Ibáñez  <manu@gcc.gnu.org>

        PR c/40172
        * c.opt (Wlogical-op): Disabled by default.
        * c-opt (c_common_post_options): Do not enable Wlogical-op with
        Wextra.
        * doc/invoke.texi (Wlogical-op): Likewise.

2009-05-19  Eric Botcazou  <ebotcazou@adacore.com>

        * tree-scalar-evolution.c (follow_ssa_edge_expr) <NOP_EXPR>: Turn
        into CASE_CONVERT.
        <PLUS_EXPR>: Strip useless type conversions instead of type nops.
        Propagate the type of the first operand.
        <ASSERT_EXPR>: Simplify.
        (follow_ssa_edge_in_rhs): Use gimple_expr_type to get the type.
        Rewrite using the RHS code as discriminant.
        <NOP_EXPR>: Turn into CASE_CONVERT.
        <PLUS_EXPR>: Propagate the type of the first operand.

2009-05-19  Steve Ellcey  <sje@cup.hp.com>

        * config/ia64/ia64-protos.h (ia64_dconst_0_5): New.
        (ia64_dconst_0_375): New.
        * config/ia64/ia64.c (ia64_override_options): Remove
        -minline-sqrt-min-latency warning.
        (ia64_dconst_0_5_rtx, ia64_dconst_0_5): New.
        (ia64_dconst_0_375_rtx, ia64_dconst_0_375): New
        * config/ia64/ia64.md (*sqrt_approx): Remove.
        (sqrtsf2): Remove #if 0.
        (sqrtsf2_internal_thr): Rewrite and move to div.md.
        (sqrtdf): Remove assert.
        (sqrtdf2_internal_thr): Rewrite and move to div.md.
        (sqrtxf2): Remove #if 0.
        (sqrtxf2_internal_thr): Rewrite and move to div.md.
        * div.md (sqrt_approx_rf): New.
        (sqrtsf2_internal_thr): New implementation.
        (sqrtsf2_internal_lat): New.
        (sqrtdf2_internal_thr: New implementation.
        (sqrtxf2_internal): New implementation.

2009-05-19  Francois-Xavier Coudert  <fxcoudert@gmail.com>
            Hans-Peter Nilsson  <hp@axis.com>

        * defaults.h (UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE)
        (WCHAR_TYPE, MODIFIED_WCHAR_TYPE, PTRDIFF_TYPE, WINT_TYPE)
        (INTMAX_TYPE, UINTMAX_TYPE, SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE)
        (INT32_TYPE, INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE)
        (UINT64_TYPE, INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE)
        (INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE)
        (UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE)
        (INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE)
        (UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE)
        (SIZE_TYPE, PID_TYPE, CHAR16_TYPE, CHAR32_TYPE): Move defaults here...
        * c-common.c: ...from here.

2009-05-19  Manuel López-Ibáñez  <manu@gcc.gnu.org>

        * c-common.c (warn_logical_operator): Remove unnecessary conditionals.

2009-05-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * builtins.c (do_mpc_arg1): Separate MPFR/MPC C rounding types.

2009-05-19  Ben Elliston  <bje@au.ibm.com>

        * unwind-dw2-fde.c (fde_unencoded_compare): Replace type punning
        assignments with memcpy calls.
        (add_fdes): Likewise.
        (binary_search_unencoded_fdes): Likewise.
        (linear_search_fdes): Eliminate type puns.

2009-05-19  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do
        not falsely claim to have propagated into all uses.

2009-05-19  Ben Elliston  <bje@au.ibm.com>

        * doc/invoke.texi (C Dialect Options): Update OpenMP specification
        version to v3.0.

2009-05-18  Kaz Kojima  <kkojima@gcc.gnu.org>

        * config/sh/sh-protos.h (sh_legitimate_address_p): Remove.
        * config/sh/sh.c (sh_legitimate_address_p): Make static.
        (TARGET_LEGITIMATE_ADDRESS_P): New.
        * config/sh/sh.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
        * config/sh/sh.md: Clean up references to GO_IF_LEGITIMATE_ADDRESS.

2009-05-18  Dodji Seketeli  <dodji@redhat.com>

        PR debug/40109
        * dwarf2out.c (gen_type_die_with_usage): Generate the DIE as a
        child of the containing namespace's DIE.

2009-05-18  Adam Nemet  <anemet@caviumnetworks.com>

        * config/mips/mips.md (*zero_extend<GPR:mode>_trunc<SHORT:mode>,
        *zero_extendhi_truncqi):  Move after the zero_extend patterns.
        (*extenddi_truncate<mode>, *extendsi_truncate<mode>): Move after the
        extend patterns.

2009-05-18  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/39942
        * config/i386/i386.c (ix86_avoid_jump_misspredicts): Replace
        gen_align with gen_pad.
        (ix86_reorg): Check ASM_OUTPUT_MAX_SKIP_PAD instead of
        #ifdef ASM_OUTPUT_MAX_SKIP_ALIGN.

        * config/i386/i386.h (ASM_OUTPUT_MAX_SKIP_PAD): New.
        * config/i386/x86-64.h (ASM_OUTPUT_MAX_SKIP_PAD): Likewise.

        * config/i386/i386.md (align): Renamed to ...
        (pad): This.  Replace ASM_OUTPUT_MAX_SKIP_ALIGN with
        ASM_OUTPUT_MAX_SKIP_PAD.

2009-05-18  Andreas Schwab  <schwab@linux-m68k.org>

        * config.gcc: Fix variable syntax.

        PR target/39531
        * config/m68k/m68k.c (output_andsi3): Mask off sign bit copies
        before calling exact_log2.
        (output_iorsi3): Likewise.
        (output_xorsi3): Likewise.

2009-05-18  Kaz Kojima  <kkojima@gcc.gnu.org>

        * config/sh/sh.c (expand_cbranchdi4): Use a scratch register
        for the none zero constant operand except for EQ and NE
        comprisons even when the first operand is R0.

2009-05-18  Andreas Krebbel  <krebbel1@de.ibm.com>

        * config/s390/2064.md: Remove trailing whitespaces.
        * config/s390/2084.md: Likewise.
        * config/s390/constraints.md: Likewise.
        * config/s390/fixdfdi.h: Likewise.
        * config/s390/libgcc-glibc.ver: Likewise.
        * config/s390/s390-modes.def: Likewise.
        * config/s390/s390-protos.h: Likewise.
        * config/s390/s390.c: Likewise.
        * config/s390/s390.h: Likewise.
        * config/s390/s390.md: Likewise.
        * config/s390/tpf-unwind.h: Likewise.

2009-05-18  Maxim Kuvyrkov  <maxim@codesourcery.com>

        * config/m68k/m68k.c (m68k_legitimize_address): Fix typo in signature.

2009-05-18  Maxim Kuvyrkov  <maxim@codesourcery.com>

        M68K TLS support.
        * configure.ac (m68k-*-*): Check if binutils support TLS.
        * configure: Regenerate.
        * config/m68k/predicates.md (symbolic_operand): Extend comment.
        * config/m68k/constraints.md (Cu): New constraint.
        * config/m68k/m68k.md (UNSPEC_GOTOFF): Remove.
        (UNSPEC_RELOC16, UNSPEC_RELOC32): New constants.
        (movsi): Handle TLS symbols.
        (addsi3_5200): Handle XTLS symbols, indent.
        * config/m68k/m68k-protos.h (m68k_legitimize_tls_address): Declare.
        (m68k_tls_reference_p): Declare.
        (m68k_legitimize_address): Declare.
        (m68k_unwrap_symbol): Declare.
        * config/m68k/m68k.opt (mxtls): New option.
        * config/m68k/m68k.c (ggc.h): Include.
        (m68k_output_dwarf_dtprel): Implement hook.
        (TARGET_HAVE_TLS, TARGET_ASM_OUTPUT_DWARF_DTPREL): Define.
        (m68k_expand_prologue): Load GOT pointer when function needs it.
        (m68k_illegitimate_symbolic_constant_p): Handle TLS symbols.
        (m68k_legitimate_constant_address_p): Same.
        (m68k_decompose_address): Handle TLS references.
        (m68k_get_gp): New static function.
        (enum m68k_reloc): New contants.
        (TLS_RELOC_P): New macro.
        (m68k_wrap_symbol): New static function.
        (m68k_unwrap_symbol): New function.
        (m68k_final_prescan_insn_1): New static function.
        (m68k_final_prescan_insn): New function.
        (m68k_move_to_reg, m68k_wrap_symbol_into_got_ref): New static
        functions.
        (legitimize_pic_address): Handle TLS references..
        (m68k_tls_get_addr, m68k_get_tls_get_addr)
        (m68k_libcall_value_in_a0_p)
        (m68k_call_tls_get_addr, m68k_read_tp, m68k_get_m68k_read_tp)
        (m68k_call_m68k_read_tp): Helper variables and functions for ...
        (m68k_legitimize_tls_address): Handle TLS references.
        (m68k_tls_symbol_p, m68k_tls_reference_p_1, m68k_tls_reference_p):
        New functions.
        (m68k_legitimize_address): Handle TLS symbols.
        (m68k_get_reloc_decoration): New static function.
        (m68k_output_addr_const_extra): Handle UNSPEC_RELOC16 and
        UNSPEC_RELOC32.
        (m68k_output_dwarf_dtprel): Implement hook.
        (print_operand_address): Handle UNSPEC_RELOC16 adn UNSPEC_RELOC32.
        (m68k_libcall_value): Return result in A0 instead of D0 when asked by
        m68k_call_* routines.
        (sched_attr_op_type): Handle TLS symbols.
        (gt-m68k.h): Include.
        * config/m68k/m68k.h (FINAL_PRESCAN_INSN): Define.
        (LEGITIMATE_PIC_OPERAND_P): Support TLS.

2009-05-18  Martin Jambor  <mjambor@suse.cz>

        * ipa-prop.c (ipa_check_stmt_modifications): Removed.
        (visit_store_addr_for_mod_analysis): New function.
        (ipa_detect_param_modifications): Use walk_stmt_load_store_addr_ops.
        (determine_cst_member_ptr): Use gimple_assign_single_p.
        (ipa_get_stmt_member_ptr_load_param): Use gimple_assign_single_p.
        (ipa_analyze_call_uses): Use !gimple_assign_rhs2 rather than number of
        operands.  Don't check number of operands of a NOP_EXPR.

2009-05-18  Eric Fisher  <joefoxreal@gmail.com>

        * doc/tree-ssa.texi (SSA Operands): Fix a mistake.

2009-05-17  Manuel López-Ibáñez  <manu@gcc.gnu.org>

        PR c/40172
        * c-common.c (warn_logical_operator): Don't warn if one of
        expression isn't always true or false.

2009-05-17  Kai Tietz  <kai.tietz@onevision.com>

        * config/i386/biarch32.h: New file.
        * config.gcc: Add for target i386-w64-* the biarch32.h to tm_file.

2009-05-17  Adam Nemet  <anemet@caviumnetworks.com>

        * config/mips/mips.md (*zero_extend<mode>_trunchi,
        *zero_extend<mode>_truncqi): Merge these into ...
        (*zero_extend<GPR:mode>_trunc<SHORT:mode>): ... this new pattern.
        Name the pattern following this as *zero_extendhi_truncqi.

2009-05-16  Brad Lucier  <lucier@math.purdue.edu>

        PR middle-end/39301
        * hwint.h: Add macro HOST_WIDEST_INT_PRINT.
        * bitmap.c (bitmap_descriptor): Make fields HOST_WIDEST_INT.
        (output_info): Make field HOST_WIDEST_INT.
        (print_statistics): Use HOST_WIDEST_INT_PRINT.
        (dump_bitmat_statistics): Same.

2009-05-16  Francois-Xavier Coudert  <fxcoudert@gmail.com>

        * config.gcc (use_gcc_stdint):  Set to wrap.
        * config/darwin.h (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE,
        INT32_TYPE, INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE,
        UINT64_TYPE, INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
        INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
        UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
        INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
        UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
        UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.

2009-05-16  Joseph Myers  <joseph@codesourcery.com>

        * config.gcc (mips*-*-*): Support arch_32, arch_64, tune_32 and
        tune_64.
        * config/mips/mips.h (MIPS_ABI_DEFAULT, MULTILIB_ABI_DEFAULT):
        Move definitions earlier.
        (OPT_ARCH64, OPT_ARCH32): Define.
        (OPTION_DEFAULT_SPECS): Add entries for arch_32, arch_64, tune_32
        and tune_64.

2009-05-16  Richard Earnshaw  <rearnsha@arm.com>

        PR target/40153
        * arm.md (cstoresi_nltu_thumb1): Use a neg of ltu as the pattern name
        implies.

2009-05-16  Richard Earnshaw  <rearnsha@arm.com>

        * arm.md (movdi2): Copy non-reg values to DImode registers.

2009-05-16  Jakub Jelinek  <jakub@redhat.com>

        PR target/39942
        * final.c (label_to_max_skip): New function.
        (label_to_alignment): Only use LABEL_TO_ALIGNMENT if
        CODE_LABEL_NUMBER <= max_labelno.
        * output.h (label_to_max_skip): New prototype.
        * config/i386/i386.c (ix86_avoid_jump_misspredicts): Renamed to...
        (ix86_avoid_jump_mispredicts): ... this.  Don't define if
        ASM_OUTPUT_MAX_SKIP_ALIGN isn't defined.  Update comment.
        Handle CODE_LABELs with >= 16 byte alignment or with
        max_skip == (1 << align) - 1.
        (ix86_reorg): Don't call ix86_avoid_jump_mispredicts if
        ASM_OUTPUT_MAX_SKIP_ALIGN isn't defined.

        PR target/39942
        * config/i386/x86-64.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Don't emit second
        .p2align 3 if MAX_SKIP is smaller than 7.
        * config/i386/linux.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Likewise.

2009-05-15  Ian Lance Taylor  <iant@google.com>

        * alias.c (struct alias_set_entry_d): Rename from struct
        alias_set_entry.  Change all uses.
        * except.c (struct call_site_record_d): Rename from struct
        call_site_record.  Change all uses.
        * except.h (struct eh_region_d): Rename from struct eh_region.
        Change all uses.
        * gcse.c (struct hash_table_d): Rename from struct hash_table.
        Change all uses.
        * graphite.c (struct ivtype_map_elt_d): Rename fromstruct
        ivtype_map_elt.  Change all uses.
        (struct rename_map_elt_d): Rename fromstruct rename_map_elt.
        Change all uses.
        (struct ifsese_d): Rename fromstruct ifsese.  Change all uses.
        * graphite.h (struct name_tree_d): Rename from struct name_tree.
        Change all uses.
        (struct sese_d): Rename from struct sese.  Change all uses.
        * omega.h (struct eqn_d): Rename from struct eqn.  Change all uses.
        (struct omega_pb_d): Rename from struct omega_pb.  Change all uses.
        * optabs.h (struct optab_d): Rename from struct optab.  Change all
        uses.
        (struct convert_optab_d): Rename from struct convert_optab.
        Change all uses.
        * tree-pass.h (struct ipa_opt_pass_d): Rename fromstruct
        ipa_opt_pass.  Change all uses.
        * tree-predcom.c (struct dref_d): Rename from struct dref.  Change
        all uses.

        * c-decl.c (pushtag): If -Wc++-compat, warn if the tag is already
        defined as a typedef.
        (grokdeclarator): If -Wc++-compat, warn if a typedef is already
        defined as a tag.

2009-05-15  Manuel López-Ibáñez  <manu@gcc.gnu.org>

        PR 16302
        * fold-const.c (make_range,build_range_check,merge_ranges): Move
        declaration to...
        (merge_ranges): Returns bool.
        * tree.h (make_range): .. to here.
        (build_range_check): Likewise.
        (merge_ranges): Likewise. Renamed from merge_ranges.
        * c-typeck.c (parser_build_binary_op): Update calls to
        warn_logical_operator.
        * c-common.c (warn_logical_operator): Add new warning.
        * c-common.h (warn_logical_operator): Update declaration.

2009-05-15  Manuel López-Ibáñez  <manu@gcc.gnu.org>

        * ira-conflicts.c (add_insn_allocno_copies): Fix wrong conditional.

2009-05-15  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * doc/install.texi: Document MPC requirements, flags etc.

        * builtins.c (do_mpc_arg1, fold_builtin_ccos): New.
        (fold_builtin_cexp): Ensure we get a complex REAL_TYPE.
        Evaluate constant arguments.
        (fold_builtin_carg): Ensure we get a complex REAL_TYPE.
        (fold_builtin_1): Likewise, also evaluate constant arguments.
        Remove superfluous break.
        (do_mpc_ckconv): New.
        * real.h: Include mpc.h.
        * toplev.c (print_version): Output MPC version info if available.

2009-05-15  Sandra Loosemore  <sandra@codesourcery.com>

        * fold-const.c (fold_convert_const_real_from_real): Check for overflow.

2009-05-15  H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/i386.c (ix86_reorg): Call optimize_function_for_speed_p
        only once.

2009-05-15  Jan Hubicka  <jh@suse.cz>

        * doc/invoke.texi (max-early-inliner-iterations): New flag.
        * ipa-inline.c (enum inlining_mode): New INLINE_SIZE_NORECURSIVE.
        (try_inline): Fix return value.
        (cgraph_decide_inlining_incrementally): Honor new value.
        (cgraph_early_inlining): Handle indirect inlining.
        * params.def (PARAM_EARLY_INLINER_MAX_ITERATIONS): New.

2009-05-15  Jan Hubicka  <jh@suse.cz>

        * cgraph.h (struct cgraph_node): Add finalized_by_frotnend flag.
        * cgraphunit.c (cgraph_finalize_function): Set it.
        (cgraph_expand_function): Use it.

2009-05-15  Sandra Loosemore  <sandra@codesourcery.com>

        * real.c (encode_ieee_half): Define.
        (decode_ieee_half): Define.
        (ieee_half_format): Define.
        (arm_half_format): Define.
        * real.h (ieee_half_format): Declare.
        (arm_half_format): Declare.

2009-05-15  Sandra Loosemore  <sandra@codesourcery.com>

        * optabs.c (prepare_float_lib_cmp):  Test that the comparison,
        swapped, and reversed optabs exist before trying to use them.

2009-05-15  Paul Brook  <paul@codesourcery.com>
            Sandra Loosemore  <sandra@codesourcery.com>

        * config/arm/arm.c (neon_vector_mem_operand): Handle element/structure
        loads.  Allow PRE_DEC.
        (output_move_neon): Handle PRE_DEC.
        (arm_print_operand): Add 'A' for neon structure loads.
        * config/arm/arm-protos.h (neon_vector_mem_operand): Update prototype.
        * config/arm/neon.md (neon_mov): Update comment.
        * config/arm/constraints.md (Un, Us): Update neon_vector_mem_operand
        calls.
        (Um): New constraint.

2009-05-15  Jan Hubicka  <jh@suse.cz>

        Revert the following patch until testsuite fallout is fixed:
        * cgraph.c (dump_cgraph_node): Dump size/time/benefit.
        * cgraph.h (struct inline_summary): New filed self_wize,
        size_inlining_benefit, self_time and time_inlining_benefit.
        (struct cgraph_global_info): Replace insns by time ans size fields.
        * ipa-cp (ipcp_cloning_candidate_p): Base estimate on size
        (ipcp_estimate_growth, ipcp_insert_stage): Likewise.
        (ipcp_update_callgraph): Do not touch function bodies.
        * ipa-inline.c: Include except.h
        (MAX_TIME): New constant.
        (overall_insns): Remove
        (overall_size, max_benefit): New static variables.
        (cgraph_estimate_time_after_inlining): New function.
        (cgraph_estimate_size_after_inlining): Rewrite using benefits.
        (cgraph_clone_inlined_nodes): Update size.
        (cgraph_mark_inline_edge): Update size.
        (cgraph_estimate_growth): Use size info.
        (cgraph_check_inline_limits): Check size.
        (cgraph_default_inline_p): Likewise.
        (cgraph_edge_badness): Compute badness based on benefit and size cost.
        (cgraph_decide_recursive_inlining): Check size.
        (cgraph_decide_inlining_of_small_function): Update size; dump sizes
        and times.
        (cgraph_decide_inlining): Likewise.
        (cgraph_decide_inlining_incrementally): Likewise; honor
        PARAM_EARLY_INLINING_INSNS.
        (likely_eliminated_by_inlining_p): New predicate.
        (estimate_function_body_sizes): New function.
        (compute_inline_parameters): Use it.
        * except.c (must_not_throw_labels): New function.
        * except.h (must_not_throw_labels): Declare.
        * tree-inline.c (init_inline_once): Kill inlining_weigths
        * tree-ssa-structalias.c: Avoid uninitialized warning.
        * params.def (PARAM_MAX_INLINE_INSNS_SINGLE): Reduce to 300.
        (PARAM_MAX_INLINE_INSNS_AUTO): Reduce to 60.
        (PARAM_INLINE_CALL_COST): Remove.
        (PARAM_EARLY_INLINING_INSNS): New.

2009-05-15  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-pre.c (eliminate): Use TODO_update_ssa_only_virtuals,
        not TODO_update_ssa.

2009-05-15  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/39999
        * gimple.h (gimple_expr_type): Use the expression type looking
        through useless conversions.
        * tree-ssa-sccvn.c (vn_nary_op_lookup_stmt): Use gimple_expr_type.
        (vn_nary_op_insert_stmt): Likewise.
        (simplify_binary_expression): Likewise.

2009-05-15  Richard Guenther  <rguenther@suse.de>

        * common.opt (-ftree-forwprop, -ftree-phiprop, -ftree-pta):
        New options, enabled by default.
        * doc/invoke.texi (-ftree-forwprop, -ftree-phiprop, -ftree-pta):
        Document.
        * tree-ssa-forwprop.c (gate_forwprop): Use flag_tree_forwprop.
        * tree-ssa-phiprop.c (gate_phiprop): Use flag_tree_phiprop.
        * tree-ssa-structalias.c (gate_tree_pta): New function.
        (pass_build_alias): Use it.

2009-05-15  Joseph Myers  <joseph@codesourcery.com>

        * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Also
        recurse on an invariant address if a conversion from a pointer
        type to a wider integer type is involved.

2009-05-15  Jan Hubicka  <jh@suse.cz>

        * cgraph.c (dump_cgraph_node): Dump size/time/benefit.
        * cgraph.h (struct inline_summary): New filed self_wize,
        size_inlining_benefit, self_time and time_inlining_benefit.
        (struct cgraph_global_info): Replace insns by time ans size fields.
        * ipa-cp (ipcp_cloning_candidate_p): Base estimate on size
        (ipcp_estimate_growth, ipcp_insert_stage): Likewise.
        (ipcp_update_callgraph): Do not touch function bodies.
        * ipa-inline.c: Include except.h
        (MAX_TIME): New constant.
        (overall_insns): Remove
        (overall_size, max_benefit): New static variables.
        (cgraph_estimate_time_after_inlining): New function.
        (cgraph_estimate_size_after_inlining): Rewrite using benefits.
        (cgraph_clone_inlined_nodes): Update size.
        (cgraph_mark_inline_edge): Update size.
        (cgraph_estimate_growth): Use size info.
        (cgraph_check_inline_limits): Check size.
        (cgraph_default_inline_p): Likewise.
        (cgraph_edge_badness): Compute badness based on benefit and size cost.
        (cgraph_decide_recursive_inlining): Check size.
        (cgraph_decide_inlining_of_small_function): Update size; dump sizes
        and times.
        (cgraph_decide_inlining): Likewise.
        (cgraph_decide_inlining_incrementally): Likewise; honor
        PARAM_EARLY_INLINING_INSNS.
        (likely_eliminated_by_inlining_p): New predicate.
        (estimate_function_body_sizes): New function.
        (compute_inline_parameters): Use it.
        * except.c (must_not_throw_labels): New function.
        * except.h (must_not_throw_labels): Declare.
        * tree-inline.c (init_inline_once): Kill inlining_weigths
        * tree-ssa-structalias.c: Avoid uninitialized warning.
        * params.def (PARAM_MAX_INLINE_INSNS_SINGLE): Reduce to 300.
        (PARAM_MAX_INLINE_INSNS_AUTO): Reduce to 60.
        (PARAM_INLINE_CALL_COST): Remove.
        (PARAM_EARLY_INLINING_INSNS): New.
        doc/invoke.texi (max-inline-insns-auto, early-inlining-insns): Update.
        (inline-call-cost): Remove.
        (early-inlining-insns): New.

2009-05-15  Eric Botcazou  <ebotcazou@adacore.com>

        * dbxout.c (dbxout_range_type): Add LOW and HIGH parameters.  Use them
        for bounds.
        (print_int_cst_bounds_in_octal_p): Likewise.
        (dbxout_type): Adjust calls to above functions.  Be prepared to deal
        with subtypes.
        * dwarf2out.c (base_type_die): Likewise.
        (is_subrange_type): Delete.
        (subrange_type_die): Add LOW and HIGH parameters.  Use them for bounds.
        (modified_type_die): Call subrange_type_for_debug_p on subtypes.
        * fold-const.c (fold_truth_not_expr) <CONVERT_EXPR>: Do not strip it
        if the destination type is boolean.
        (build_range_check): Do not special-case subtypes.
        (fold_sign_changed_comparison): Likewise.
        (fold_unary): Likewise.
        * langhooks-def.h (LANG_HOOKS_GET_SUBRANGE_BOUNDS): Define.
        (LANG_HOOKS_FOR_TYPES_INITIALIZER): Add LANG_HOOKS_GET_SUBRANGE_BOUNDS.
        * langhooks.h (lang_hooks_for_types): Add get_subrange_bounds.
        * tree.c (subrange_type_for_debug_p): New predicate based on the
        former is_subrange_type.
        * tree.h (subrange_type_for_debug_p): Declare.
        * tree-chrec.c (avoid_arithmetics_in_type_p): Delete.
        (convert_affine_scev): Remove call to above function.
        (chrec_convert_aggressive): Likewise.
        * tree-ssa.c (useless_type_conversion_p_1): Do not specifically return
        false for conversions involving subtypes.
        * tree-vrp.c (vrp_val_max): Do not special-case subtypes.
        (vrp_val_min): Likewise.
        (needs_overflow_infinity): Likewise.
        (extract_range_from_unary_expr): Likewise.

2009-05-15  Paolo Bonzini  <bonzini@gnu.org>

        * config/frv/frv.h: Clean up references to GO_IF_LEGITIMATE_ADDRESS.
        * config/frv/frv.c: Likewise.
        * config/s390/s390.c: Likewise.
        * config/sparc/sparc.h: Likewise.
        * config/i386/i386.h: Likewise.
        * config/i386/i386.c: Likewise.
        * config/crx/crx.c: Likewise.
        * config/m68hc11/m68hc11.h: Likewise.
        * config/iq2000/iq2000.c: Likewise.
        * config/mn10300/mn10300.h: Likewise.
        * config/mn10300/mn10300.c: Likewise.
        * config/m68k/m68k.c: Likewise.
        * config/rs6000/rs6000.c: Likewise.
        * config/rs6000/xcoff.h: Likewise.
        * config/rs6000/linux64.h: Likewise.
        * config/rs6000/sysv4.h: Likewise.
        * config/score/score3.c: Likewise.
        * config/score/score7.c: Likewise.
        * config/score/score.c: Likewise.
        * config/arm/arm.md: Likewise.
        * config/mips/mips.c: Likewise.
        * config/mips/mips.md: Likewise.
        * config/bfin/bfin.h: Likewise.
        * config/pa/pa.c: Likewise.
        * config/pa/constraints.md: Likewise.

        * config/pdp11/pdp11-protos.h (legitimate_address_p): Delete.
        * config/pdp11/pdp11.c (legitimate_address_p): Delete.
        * config/pdp11/pdp11.h: Use memory_address_p instead.

2009-05-14  Ian Lance Taylor  <iant@google.com>

        * passes.c (finish_optimization_passes): Change i to int.
        * plugin.c (plugins_active_p): Change event to int.
        (dump_active_plugins): Likewise.
        * reginfo.c (invalid_mode_change_p): Change to to unsigned int.
        Add cast.
        * tree.c (tree_range_check_failed): Change c to unsigned int.
        (omp_clause_range_check_failed): Likewise.
        (build_common_builtin_nodes): Change mode to int.  Add cast.
        * config/ia64/ia64.c (is_emitted): Change r to unsigned int.
        (ia64_hard_regno_rename_ok, ia64_eh_uses): Likewise.

        * c-typeck.c (build_unary_op): If -Wc++-compat, warn about using
        ++ or -- with a variable of enum type.

2009-05-14  Steven Bosscher  <steven@gcc.gnu.org>

        PR driver/40144
        * opts.c (common_handle_option): Add OPT_fcse_skip_blocks as a no-op.

2009-05-14  Steven Bosscher  <steven@gcc.gnu.org>

        * store-motion.c: Do not include params.h
        * Makefile.in: Fix dependencies for various files.

2009-05-14  Steven Bosscher  <steven@gcc.gnu.org>

        * auto-inc-dec.c: Fix pass description, remove apparent
        accidental duplication.

2009-05-14  H.J. Lu  <hongjiu.lu@intel.com>

        PR middle-end/40147
        * ipa-utils.h (memory_identifier_string): Moved to ...
        * tree.h (memory_identifier_string): Here.  Add GTY(()).

2009-05-14  Paolo Bonzini  <bonzini@gnu.org>

        * doc/tm.texi (TARGET_LEGITIMATE_ADDRESS_P): Refer mainly to this
        in the former documentation of...
        (GO_IF_LEGITIMATE_ADDRESS): ... this.
        * ira-conflicts.c (get_dup_num): Use address_operand.
        * targhooks.c (default_legitimate_address_p): New.
        * targhooks.h (default_legitimate_address_p): New.
        * reload.c (strict_memory_address_p) [!GO_IF_LEGITIMATE_ADDRESS]:
        Call hook.
        * recog.c (memory_address_p) [!GO_IF_LEGITIMATE_ADDRESS]: Call hook.
        * target.h (struct target): Add legitimate_address_p.
        * target-def.h (TARGET_LEGITIMATE_ADDRESS_P): New.
        (TARGET_INITIALIZER): Include it.

        * config/alpha/alpha.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
        * config/alpha/alpha-protos.h (alpha_legitimate_address_p): Remove.
        * config/alpha/alpha.c (alpha_legitimate_address_p): Make static.
        (TARGET_LEGITIMATE_ADDRESS_P): New.

        * config/frv/frv.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
        (REG_OK_STRICT_P): Delete.
        * config/frv/frv-protos.h (frv_legitimate_address_p): Rename to...
        (frv_legitimate_address_p_1): ... this.
        * config/frv/frv.c (frv_legitimate_address_p): Forward to...
        (frv_legitimate_address_p_1): ... the renamed old
        frv_legitimate_address_p.
        * config/frv/predicates.md: Adjust calls to frv_legitimate_address_p.
        (TARGET_LEGITIMATE_ADDRESS_P): New.

        * config/s390/s390.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
        * config/s390/s390-protos.h (legitimate_address_p): Remove.
        * config/s390/s390.c (legitimate_address_p): Rename to...
        (s390_legitimate_address_p): ... this, make static.
        (legitimize_address): Adjust call.
        (TARGET_LEGITIMATE_ADDRESS_P): New.
        * config/s390/constraints.md ("e"): Call strict_memory_address_p.

        * config/m32c/m32c.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
        * config/m32c/m32c-protos.h (m32c_legitimate_address_p): Remove.
        * config/m32c/m32c.c (m32c_legitimate_address_p): Make static.
        (TARGET_LEGITIMATE_ADDRESS_P): New.

        * config/spu/spu.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
        * config/spu/spu-protos.h (spu_legitimate_address): Remove.
        * config/spu/spu.c (spu_legitimate_address): Rename to...
        (spu_legitimate_address_p): ... this, make static.
        (TARGET_LEGITIMATE_ADDRESS_P): New.

        * config/sparc/sparc.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
        * config/sparc/sparc-protos.h (legitimate_address_p): Remove.
        * config/sparc/sparc.c (legitimate_address_p): Rename to...
        (sparc_legitimate_address_p): ... this, make static and return bool.
        (legitimize_address): Adjust call.
        (TARGET_LEGITIMATE_ADDRESS_P): New.

        * config/i386/i386.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
        * config/i386/i386-protos.h (legitimate_address_p): Remove.
        * config/i386/i386.c (legitimate_address_p): Rename to...
        (ix86_legitimate_address_p): ... this, make static.
        (constant_address_p): Move after it, adjust call.
        (TARGET_LEGITIMATE_ADDRESS_P): New.

        * config/avr/avr.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
        * config/avr/avr-protos.h (legitimate_address_p): Remove.
        * config/avr/avr.c (legitimate_address_p): Rename to...
        (avr_legitimate_address_p): ... this, make static.
        (legitimize_address): Adjust call.
        (TARGET_LEGITIMATE_ADDRESS_P): New.

        * config/crx/crx.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
        * config/crx/crx-protos.h (crx_legitimate_address_p): Remove.
        * config/crx/crx.c (crx_legitimate_address_p): Make static.
        (TARGET_LEGITIMATE_ADDRESS_P): New.

        * config/xtensa/xtensa.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
        * config/xtensa/xtensa-protos.h (xtensa_legitimate_address_p): Remove.
        * config/xtensa/xtensa.c (xtensa_legitimate_address_p): Make static.
        (TARGET_LEGITIMATE_ADDRESS_P): New.

        * config/stormy16/stormy16.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
        * config/stormy16/stormy16-protos.h (xstormy16_legitimate_address_p):
        Remove.
        * config/stormy16/stormy16.c (xstormy16_legitimate_address_p):
        Make static.
        (TARGET_LEGITIMATE_ADDRESS_P): New.

        * config/m68hc11/m68hc11.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
        * config/m68hc11/m68hc11-protos.h (m68hc11_go_if_legitimate_address):
        Remove.
        * config/m68hc11/m68hc11.c (m68hc11_go_if_legitimate_address):
        Rename to...
        (m68hc11_legitimate_address_p): ... this, make static.
        (go_if_legitimate_address_internal): Rename to...
        (m68hc11_legitimate_address_p_1): ... this.
        (legitimize_address): Adjust call.
        (TARGET_LEGITIMATE_ADDRESS_P): New.

        * config/iq2000/iq2000.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
        * config/iq2000/iq2000-protos.h (iq2000_legitimate_address_p): Remove.
        * config/iq2000/iq2000.c (iq2000_legitimate_address_p): Make static.
        (TARGET_LEGITIMATE_ADDRESS_P): New.

        * config/mn10300/mn10300.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
        * config/mn10300/mn10300-protos.h (legitimate_address_p): Remove.
        * config/mn10300/mn10300.c (legitimate_address_p): Rename to...
        (mn10300_legitimate_address_p): ... this, make static.
        (TARGET_LEGITIMATE_ADDRESS_P): New.

        * config/m68k/m68k.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
        * config/m68k/m68k-protos.h (m68k_legitimate_address_p): Remove.
        * config/m68k/m68k.c (m68k_legitimate_address_p): Make static.
        (TARGET_LEGITIMATE_ADDRESS_P): New.

        * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
        (REG_OK_STRICT_FLAG, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P): Delete.
        (INT_REG_OK_FOR_BASE_P, INT_REG_OK_FOR_INDEX_P): Move above.
        * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
        * config/rs6000/rs6000-protos.h (rs6000_legitimate_address): Remove.
        * config/rs6000/rs6000.c (rs6000_legitimate_address): Rename to...
        (rs6000_legitimate_address_p): ... this, make static.
        (TARGET_LEGITIMATE_ADDRESS_P): New.
        (REG_MODE_OK_FOR_BASE_P): Delete.
        (rs6000_legitimize_reload_address): Use INT_REG_OK_FOR_BASE_P.

        * config/picochip/picochip.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
        * config/picochip/picochip-protos.h (picochip_legitimate_address_p):
        Delete.
        * config/picochip/picochip.c (picochip_legitimate_address_p): Make
        static, adjust types.
        (TARGET_LEGITIMATE_ADDRESS_P): New.

        * config/score/score.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
        * config/score/score.c (score_address_p): Rename to...
        (score_legitimate_address_p): ... this.
        (TARGET_LEGITIMATE_ADDRESS_P): New.
        * config/score/score3.c (score3_address_p): Rename to...
        (score3_legitimate_address_p): ... this.
        * config/score/score7.c (score7_address_p): Rename to...
        (score7_legitimate_address_p): ... this.

        * config/arm/arm.h (ARM_GO_IF_LEGITIMATE_ADDRESS,
        THUMB2_GO_IF_LEGITIMATE_ADDRESS, THUMB1_GO_IF_LEGITIMATE_ADDRESS,
        GO_IF_LEGITIMATE_ADDRESS): Delete.
        * config/arm/arm-protos.h (thumb1_legitimate_address_p,
        thumb2_legitimate_address_p): Delete.
        (arm_legitimate_address_p): Rename to...
        (arm_legitimate_address_outer_p): ... this.
        * config/arm/constraints.md ("Uq"): Adjust call.
        * config/arm/predicates.md (arm_extendqisi_mem_op): Likewise.
        * config/arm/arm.c (arm_legitimate_address_p): New, rename old one
        to...
        (arm_legitimate_address_outer_p): ... this.
        (thumb1_legitimate_address_p, thumb2_legitimate_address_p): Make
        static.
        (TARGET_LEGITIMATE_ADDRESS_P): New.

        * config/mips/mips.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
        * config/mips/mips-protos.h (mips_legitimate_address_p): Remove.
        * config/mips/mips.c (mips_legitimate_address_p): ... Make static.
        (TARGET_LEGITIMATE_ADDRESS_P): New.

        * config/vax/vax.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
        * config/vax/vax-protos.h (legitimate_address_p): Remove.
        * config/vax/vax.c (legitimate_address_p): Rename to...
        (vax_legitimate_address_p): ... this, make static.
        (TARGET_LEGITIMATE_ADDRESS_P): New.

        * config/h8300/h8300.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
        * config/h8300/h8300-protos.h (h8300_legitimate_address_p): Remove.
        * config/h8300/h8300.c (h8300_legitimate_address_p): ... Make static.
        (TARGET_LEGITIMATE_ADDRESS_P): New.

        * config/mmix/mmix.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
        * config/mmix/mmix-protos.h (mmix_legitimize_address): Remove.
        * config/mmix/mmix.c (mmix_legitimate_address): Rename to...
        (mmix_legitimate_address_p): ... this, make static.
        (TARGET_LEGITIMATE_ADDRESS_P): New.

        * config/bfin/bfin.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
        * config/bfin/bfin-protos.h (bfin_legitimate_address_p): Remove.
        * config/bfin/bfin.c (bfin_legitimate_address_p): ... Make static.
        (TARGET_LEGITIMATE_ADDRESS_P): New.

2009-05-14  Paolo Bonzini  <bonzini@gnu.org>

        * config/arm/arm.h (PROMOTE_FUNCTION_MODE): Remove handling
        of MODE_COMPLEX_INT.

2009-05-14  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>

        * config/alpha/alpha.c (alpha_initialize_trampoline): Change 0 to
        LCT_NORMAL in function call.
        * mips-tdump.c (print_file_desc): Add cast to enum type.
        * mips-tfile.c (add_ext_symbol): Add casts to enum types.
        (mark_stabs): Add casts to enum types.
        (parse_stabs_common): Add casts to enum types.

2009-05-13  Adam Nemet  <anemet@caviumnetworks.com>

        * config/mips/mips.c (mips_print_operand) <REG, MEM, default>:
        Check for invalid values of LETTER.

2009-05-13  Taras Glek  <tglek@mozilla.com>

        * attribs.c (register_attribute): moved out attribute registration
        into register_attribute.
        * doc/plugins.texi: Documented register_attribute and
        PLUGIN_ATTRIBUTES.
        * gcc-plugin.h: Added forward decl for register_attribute.
        * gcc-plugin.h (plugins_event): Added PLUGIN_ATTRIBUTES.
        * plugin.c (register_callback, invoke_plugin_callbacks): Added
        PLUGIN_ATTRIBUTES boilerplate.

2009-05-14  Dave Korn  <dave.korn.cygwin@gmail.com>

        * config/i386/msformat-c.c (ms_printf_length_specs):  Use enumeration
        values even in sentinel and empty entries.
        (ms_printf_flag_specs):  Likewise.
        (ms_scanf_flag_specs):  Likewise.
        (ms_strftime_flag_specs):  Likewise.
        (ms_print_char_table):  Likewise.
        (ms_scan_char_table):  Likewise.
        (ms_time_char_table):  Likewise.

2009-05-13  Doug Kwan  <dougkwan@google.com>

        * tree-ssa-sccvn.c (compare_ops): Stabilize qsort.

2009-05-13  Adam Nemet  <anemet@caviumnetworks.com>

        * config/mips/mips.md (store): Add attributes for QI and HI.
        Update comment.
        (truncdisi2, truncdihi2, truncdiqi2): Merge these into ...
        (truncdi<mode>2): ... this new pattern.

2009-05-13  Brad Hards  <bradh@kde.org>

        * Makefile.in (TEXI_GCCINT_FILES): Add plugins.texi.

2009-05-14  Jakub Jelinek  <jakub@redhat.com>
            Ben Elliston <bje@au.ibm.com>

        PR middle-end/40035
        * dse.c (check_mem_read_rtx): Guard against width == -1.

2009-05-13  Michael Matz  <matz@suse.de>

        PR middle-end/39976
        * tree-outof-ssa.c (maybe_renumber_stmts_bb): New function.
        (trivially_conflicts_p): New function.
        (insert_backedge_copies): Use it.

2009-05-13  Janis Johnson  <janis187@us.ibm.com>

        * c-pragma.c (enum pragma_switch_t): Prefix constants with PRAGMA_.
        (handle_stdc_pragma): Use new enum constant names.
        (handle_pragma_float_const_decimal64): Ditto.

2009-05-13  Ian Lance Taylor  <iant@google.com>

        * Makefile.in (build/gencheck.o): Depend upon all-tree.def, not
        tree.def.

2009-05-13  Nathan Sidwell  <nathan@codesourcery.com>

        * config/m68k/t-uclinux (M68K_MLIB_CPU): Check for FL_UCLINUX.
        * config/m68k/m68k-devices.def: Add FL_UCLINUX to 68020 and 54455
        multilibs.
        * config/m68k/m68k.h (FL_UCLINUX): Define.

2009-05-13  Jan Hubicka  <jh@suse.cz>

        * options.c (gfc_post_options): -fwhole-program imply -fwhole-file.

2009-05-12  Kaz Kojima  <kkojima@gcc.gnu.org>

        * config/sh/sh.h (OVERRIDE_OPTIONS): Clear flag_schedule_insns
        unless -fschedule-insns is specified.

2009-05-12  Kaz Kojima  <kkojima@gcc.gnu.org>

        PR target/39561
        * config/sh/sh.h (OPTIMIZATION_OPTIONS): Don't set
        TARGET_EXPAND_CBRANCHDI4.
        * config/sh/sh.md (cbranchdi4): Don't check TARGET_EXPAND_CBRANCHDI4.
        * config/sh/sh.opt (mexpand-cbranchdi): Remove.
        (cmpeqdi): Fix comment.

2009-05-12  Kaz Kojima  <kkojima@gcc.gnu.org>

        * config/sh/sh-protos.h (sh_legitimate_index_p): Declare.
        (sh_legitimate_address_p): Likewise.
        * config/sh/sh.c (sh_legitimate_index_p): New.
        (sh_legitimate_address_p): Likewise.
        * config/sh/sh.h (REG_OK_FOR_BASE_P): Add STRICT parameter.
        (REG_OK_FOR_INDEX_P, SUBREG_OK_FOR_INDEX_P): Likewise.
        (MODE_DISP_OK_4, MODE_DISP_OK_8): Remove.
        (MAYBE_BASE_REGISTER_RTX_P): New macro.
        (MAYBE_INDEX_REGISTER_RTX_P): Likewise.
        (BASE_REGISTER_RTX_P): Use MAYBE_BASE_REGISTER_RTX_P.
        (INDEX_REGISTER_RTX_P): Use MAYBE_INDEX_REGISTER_RTX_P.
        (GO_IF_LEGITIMATE_INDEX): Use sh_legitimate_index_p.
        (GO_IF_LEGITIMATE_ADDRESS): Use sh_legitimate_address_p.

2009-05-12  Jan Hubicka  <jh@suse.cz>

        * tree-inline.c (estimate_operator_cost): Add operands;
        when division happens by constant, it is cheap.
        (estimate_num_insns): Loads and stores are not having cost of 0;
        EH magic stuff is cheap; when computing runtime cost of switch,
        use log2 base of amount of its cases; builtin_expect has cost of 0;
        compute cost for moving return value of call.
        (init_inline_once): Initialize time_based flags.
        * tree-inline.h (eni_weights_d): Add time_based flag.

2009-05-12  Paolo Bonzini  <bonzini@gnu.org>

        * df-core.c: Update head documentation.

2009-05-12  Michael Meissner  <meissner@linux.vnet.ibm.com>

        PR bootstrap/40118
        * rs6000.c (rs6000_generate_compare): Use op1b instead of
        shadowing exisiting variable op1.

2009-05-12  Uros Bizjak  <ubizjak@gmail.com>

        PR target/37179
        * config/i386/driver-i386.c (processor_signatures): New enum.
        (SIG_GEODE): Move from vendor_signatures to processor_signatures.
        (host_detect_local_cpu): For SIG_AMD vendor, check for SIG_GEODE
        processor signature to detect geode processor.

2009-05-12  Paolo Bonzini  <bonzini@gnu.org>

        Revert:

        2009-05-12  Paolo Bonzini  <bonzini@gnu.org>

        * optabs.c (prepare_cmp_insn): Temporarily disable test that
        causes spurious differences between trunk and cond-optab branch.

2009-05-12  Paolo Bonzini  <bonzini@gnu.org>

        * dojump.c (compare_from_rtx): Delete.
        * expmed.c (emit_store_flag): Only try cstore_optab.  Canonicalize
        any MODE_CC mode to the cstorecc4 pattern.  Use prepare_operand, fail
        if the comparison does not satisfy the predicate; test predicates for
        operands 2 and 3 of a cstore pattern.  Don't try cstore optab
        further if one existing pattern fails.
        * expr.h (compare_from_rtx): Delete.
        (prepare_operand): Declare it.
        * optabs.c: Change "lib call" to "libcall" throughout.
        (bcc_gen_fctn, setcc_gen_code, trap_rtx,
        HAVE_conditional_trap, emit_cmp_insn): Delete.
        (can_compare_p): Delete cmp_optab case.
        (prepare_float_lib_cmp): Return an rtx and a machine mode.
        Accept other parameters by value.
        (prepare_operand): Make non-static.
        (prepare_cmp_insn): Return an rtx and a machine mode.  Accept
        other parameters by value.  Try to widen operands here based on
        an optab_methods argument and looking at cbranch_optab.
        (emit_cmp_and_jump_insn_1): Accept test and mode, remove widening
        loop.  Use cbranch_optab directly.
        (emit_cmp_and_jump_insns): Fix comment.  Adjust call to
        prepare_cmp_insn and emit_cmp_and_jump_insn_1, remove obsolete
        assertion.
        (emit_conditional_move, emit_conditional_add): Inline what's needed
        of compare_from_rtx, using new prepare_cmp_insn for the rest.
        (init_optabs): Init cmp_optab with UNKNOWN, cbranch_optab
        with COMPARE.  Move cmov_optab and cstore_optab above
        with cbranch_optab, move cmp_optab down with ucmp_optab,
        remove tst_otpab.  Do not initialize trap_rtx.
        (gen_cond_trap): Do it here.  Use ctrap_optab.  Test predicate
        for trap code.  Do not check HAVE_conditional_trap.  Use
        prepare_cmp_insn.  Accept no predicate for operand 3.
        * optabs.h (OTI_cmp): Mark as used only for libcalls.
        (OTI_ctrap, ctrap_optab): New.
        (tst_optab): Delete.
        (bcc_gen_fctn, setcc_gen_code, emit_cmp_insn): Delete.
        * ifcvt.c (find_if_header): Replace HAVE_conditional_trap
        with lookup of ctrap_optab.
        * genopinit.c (cmp_optab, tst_optab, bcc_gen_fctn, setcc_gen_code):
        Delete.
        (ctrap_optab): New.

        * combine.c (combine_simplify_rtx, simplify_set): Do not
        special case comparing against zero for cc0 machines.
        * simplify-rtx.c (simplify_binary_operation_1): Never remove
        COMPARE on cc0 machines.
        (simplify_relational_operation): Return a new expression when
        a COMPARE could be removed.
        * final.c (final_scan_insn): Compare cc_status values
        against LHS of a (compare FOO (const_int 0)) cc0 source.
        Also check if cc_status.value is the full compare.

        * doc/md.texi (bCC, sCC, tstMM, cmpMM): Delete.
        (cstoreMM4): Document.
        (conditional_trap): Document ctrapMM4 instead.
        (sync_compare_and_swapMM): Refer to cbranchcc4.
        (Dependent Patterns): Eliminate obsolete information referring to
        the old jump optimization phase.
        (Canonicalization): Include cbranchcc4 case, omit canonicalization
        of compares with 0 on cc0 machines.
        (Jump Patterns): Refer to MODE_CC jump patterns preferably,
        avoiding references to cc0.  Remove text about storing operands
        in cmpMM.
        * doc/tm.texi (Condition Codes): Include blurb on different
        condition code representations, separate into subsections for
        CC0, MODE_CC and conditional execution.

        * config/alpha/alpha-protos.h (alpha_emit_conditional_branch,
        alpha_emit_setcc): Accept operands and a machine mode.
        * config/alpha/alpha.c (alpha_emit_conditional_branch):
        Get code/op0/op1 from operands, use machine mode argument
        instead of alpha_compare.fp_p.  Emit the branch here.
        (alpha_emit_setcc): Likewise, and return boolean.
        (alpha_emit_conditional_move): Likewise.  Assert that
        cmp_op_mode == cmp_mode, and simplify accordingly.
        * config/alpha/alpha.h (struct alpha_compare, alpha_compare): Delete.
        * config/alpha/alpha.md (cmpdf, cmptf, cmpdi, bCC, sCC): Delete.
        (cbranchdf4, cbranchtf4, cbranchdi4, cstoredf4, cstoretf4,cstoredi4):
        Delete.
        (stack probe test): Use cbranchdi4.
        * config/alpha/predicates.md (alpha_cbranch_operator): New.

        * config/arc/arc.c (gen_compare_reg): Do not emit cmp.
        * config/arc/arc.h (movsicc, movsfcc): Use it.
        (movdicc, *movdicc_insn, movdfcc, *movdfcc_insn): Remove.
        (cbranchsi4, cstoresi4): New.
        (cmpsi, bCC and sCC expanders): Remove.

        * config/arm/arm.c (arm_compare_op0, arm_compare_op1): Delete.
        * config/arm/arm.h (arm_compare_op0, arm_compare_op1): Delete.
        * config/arm/predicates.md (arm_comparison_operator): Only include
        floating-point operators if there is a hardware floating-point unit.
        * config/arm/arm.md (cbranchsi4, cstoresi4): Enable for TARGET_32BIT,
        deferring to cbranch_cc and cstore_cc respectively.
        (cbranchsf4, cbranchdf4, cbranchdi4, cstoresf4, cstoredf4, cstoredi4,
        cbranch_cc, cstore_cc): New.
        (movsicc, movsfcc, movdfcc): Do not use arm_compare_op0 and
        arm_compare_op1.
        (bCC, sCC, cmpsi, cmpsf, cmpdf, cmpdi): Delete.

        * config/avr/avr-protos.h (out_tstsi, out_tsthi): Adjust prototype.
        * config/avr/avr.c (out_tstsi, out_tsthi): Get the tested operand
        as an argument.
        (adjust_insn_length): Adjust calls.
        (avr_reorg): Handle (compare (foo) (const_int 0)).
        * config/avr/avr.md (tstqi, tsthi, tstsi): Remove.
        (*negated_tstqi, *negated_tsthi, *negated_tstsi): Unmacroize.
        (*reversed_tsthi, *reversed_tstsi): Add a scratch for simplicity.
        (cmpqi, cmphi, cmpsi): Prepend asterisk, fuse tst[qhs]i here.
        (bCC): Remove.
        (cbranchqi4, cbranchhi4, cbranchsi4): New.
        (tst -> sbrc/sbrs peephole2, cpse peephole): Wrap RHS with COMPARE.

        * config/bfin/bfin.md (cmpbi, cmpsi, bCC, sCC): Delete.
        (cbranchsi4, cstorebi4, cstoresi4): New.
        (movbisi): This insn is duplicate, split it to zero_extend.
        * config/bfin/bfin.c (bfin_compare_op0, bfin_compare_op1): Delete
        (bfin_gen_compare): Do not use them.  Emit VOIDmode SET, not BImode.
        (bfin_optimize_loop): Use cbranch expander.
        * config/bfin/bfin.h (bfin_compare_op0, bfin_compare_op1): Delete.
        * config/bfin/predicates.md (bfin_cbranch_operator): Rename to...
        (bfin_bimode_comparison_operator): ... this.
        (bfin_direct_comparison_operator): New.

        * config/cris/cris.c (cris_normal_notice_update_cc): Look
        inside (compare FOO (const_int 0)).
        (cris_rtx_costs): Handle ZERO_EXTRACT.
        * config/cris/cris.md (tstdi, tst<mode>, cmpdi): Delete.
        (*tstdi_non_v32): Fold in *cmpdi_non_v32.
        (*tstdi_v32): Delete.
        (*cmpdi_non_v32): Add M alternative for operand 1.
        (cmpsi, cmp<mode>): Make private.
        (*tstsi, *tst<mode>_cmp, *tst<mode>_non_cmp, *btst): Wrap LHS
        with COMPARE.
        (cbranch<mode>4, cbranchdi4, cstore<mode>4): New.

        * config/crx/crx.md (cstore<mode>4, cbranchcc4): New.
        (cmp<mode>, bCOND_internal, b<code>, s<code>): Delete.
        (cbranch<mode>4, sCOND_internal): Use ordered_comparison_operator.
        (cc_reg_operand): New.
        (any_cond): Delete.
        * config/crx/crx.c (crx_compare_op0, crx_compare_op1,
        crx_expand_compare, crx_expand_branch, crx_expand_scond): Delete.
        * config/crx/crx.h (crx_compare_op0, crx_compare_op1): Delete.
        * config/crx/crx-protos.h (crx_expand_compare, crx_expand_branch,
        crx_expand_scond): Delete.

        * config/fr30/fr30.md (cmp<mode>, bCC): Delete.
        (cbranchsi4): New.
        * config/fr30/fr30.c (fr30_compare_op0, fr30_compare_op1): Delete
        * config/fr30/fr30.h (fr30_compare_op0, fr30_compare_op1): Delete.

        * config/frv/frv.md (cbranchsi4, cbranchsf4, cbranchdf4,
        cstoresi4, cstoresf4, cstoredf4): New.
        (cmpdi, cmpsi, cmpsf, cmpdf, bCC, sCC): Remove.
        * config/frv/frv-protos.h (frv_emit_cbranch, frv_emit_scc):
        Receive the entire operands array.
        * config/frv/frv.h (frv_compare_op0, frv_compare_op1): Delete.
        * config/frv/frv.c (frv_compare_op0, frv_compare_op1): Delete.
        * config/frv/frv-protos.h (frv_emit_cbranch, frv_emit_scc):
        Get test/op0/op1 from the operands array.
        (frv_emit_cond_move): Get test/op0/op1 from the test_rtx.

        * config/h8300/h8300-protos.h (h8300_expand_branch): Accept operands.
        (h8300_expand_store): New.
        * config/h8300/h8300.c (h8300_rtx_costs): Handle (compare FOO
        (const_int 0)).
        (h8300_expand_branch): Emit compare here.  Adjust for new arguments.
        (h8300_expand_store): New.
        * config/h8300/h8300.md (btst combine patterns): Wrap with COMPARE
        or do not try to produce (set (cc0) REG).
        (peepholes): Wrap arguments with COMPARE.  Add a peephole to
        change a compare into a move to a scratch register.  Disable some
        peepholes when comparing with zero.
        (tstsi, tsthi, tstsi, cmpqi): Make private.
        (cmphi): Delete.
        (bCC, sCC): Delete.
        (cbranchqi4, cbranchhi4, cbranchsi4, cstoreqi4, cstorehi4,
        cstoresi4): New.

        * config/i386/i386.c (ix86_expand_int_movcc, ix86_expand_int_addcc,
        ix86_expand_fp_movcc): Set ix86_compare_op0 and ix86_compare_op1.
        (ix86_emit_i387_log1p): Use gen_cbranchxf4.
        (ix86_emit_i387_log1p): Use cbranchxf2.
        (ix86_expand_setcc): Return void.
        * config/i386/i386-protos.h (ix86_expand_setcc): Return void.
        * config/i386/i386.md (cmpti, cmpdi, cmpsi, cmphi, cmpqi, cmpxf,
        cmp<MODEF>, cmpcc): Remove.
        (cbranchti4, cbranchdi4, cbranchsi4, cbranchhi4, cbranchqi4,
        cbranchxf4, cbranch<MODEF>4, cbranchcc4, cstoredi4, cstoresi4,
        cstorehi4, cstoreqi4, cstorexf4, cstore<MODEF>4, cstorecc): New.
        (sCC and bCC expanders): Remove.
        (stack_protect_test): Use cbranchcc4.

        * config/ia64/ia64-protos.h (ia64_compare_op0, ia64_compare_op1):
        Delete.
        (ia64_expand_compare): Accept three rtx by reference and return void.
        * config/ia64/ia64.c (ia64_compare_op0, ia64_compare_op1): Delete.
        (ia64_expand_compare): Replace op0/op1 with *op0/*op1.  Get code
        from *expr.  Update *expr with the BImode comparison to do.
        * config/ia64/ia64.md (cmpbi, cmpsi, cmpdi, cmpsf, cmpdf, cmpxf,
        cmptf, bCC, sCC, conditional_trap): Delete.
        (cbranchbi4, cbranchsi4, cbranchdi4, cbranchsf4, cbranchdf4,
        cbranchxf4, cbranchtf4, cstorebi4, cstoresi4, cstoredi4, cstoresf4,
        cstoredf4, cstorexf4, cstoretf4, ctrapbi4, ctrapsi4, ctrapdi4,
        ctrapsf4, ctrapdf4, ctrapxf4, ctraptf4): New.
        * config/ia64/predicates.md (ia64_cbranch_operator): New.

        * config/iq2000/iq2000-protos.h (gen_conditional_branch): Change
        type of last argument.
        * config/iq2000/iq2000.c (branch_cmp, branch_type): Remove.
        (gen_conditional_branch): Get code/cmp0/cmp1 from operands,
        use machine mode argument instead of branch_type.  Remove dead
        code for floating-point comparisons.
        * config/iq2000/iq2000.h (branch_cmp, branch_type): Remove.
        * config/iq2000/iq2000.md (cmpsi, cmpdi, cmpsf, cmpdf, tstsi, bCC):
        Remove.
        (cbranchsi4, cstoresi4): New.
        * config/iq2000/predicates.md (reg_or_const_operand): New.

        * config/m32c/m32c.md (cbranch splitter): Use match_op_dup.
        * config/m32c/m32c.md (any_cond, gl_cond): Delete.
        (b<code>_op): Rewrite to...
        (bcc_op): ... this, using match_operator.
        (s<code>_op): Rewrite to...
        (scc_op): ... this, using match_operator.
        (s<code>_24_op): Rewrite to...
        (scc_op_24): ... this, using match_operator.
        (s<code>_<mode>): Rewrite to...
        (cstore<mode>4): ... this, using match_operator.
        (s<code>_<mode>_24): Rewrite to...
        (cstore<mode>4_24): ... this, using match_operator.
        * config/m32c/m32c-protos.h (m32c_cmp_flg_0, m32c_pend_compare,
        m32c_unpend_compare, m32c_expand_scc): Delete.
        * config/m32c/m32c.c (compare_op0, compare_op1, m32c_cmp_flg_0,
        m32c_pend_compare, m32c_unpend_compare, m32c_expand_scc): Delete.
        (m32c_expand_movcc): Change NE to EQ if necessary.
        (m32c_init_libfuncs): Modify cstore optab instead of setcc_gen_code.

        * config/m32r/m32r-protos.h (gen_cond_store): New.
        * config/m32r/m32r.c (m32r_compare_op0, m32r_compare_op1): Delete.
        (gen_cond_store): New, from sCC patterns.
        (m32r_expand_block_move): Use cbranchsi4.
        * config/m32r/m32r.h (m32r_compare_op0, m32r_compare_op1): Delete.
        * config/m32r/m32r.md (cmpsi, bCC, sCC): Delete.
        (cbranchsi4, cstoresi4): New.

        * config/m68hc11/m68hc11.c (m68hc11_compare_op0, m68hc11_compare_op1):
        Delete.
        (m68hc11_rtx_costs_1, m68hc11_rtx_costs): Handle ZERO_EXTRACT.
        (m68hc11_notice_update_cc): Look into a compare with 0.
        * config/m68hc11/m68hc11.h (m68hc11_compare_op0, m68hc11_compare_op1):
        Delete.
        * config/m68hc11/m68hc11.md (tstsi, tsthi, tstqi, cmpsi,
        cmphi, cmpqi, bCC): Delete.
        (cbranchsi4, cbranchhi4, cbranchqi4): New.
        (tstqi_1, tstqi_z_used, tstqi_1, bitcmpqi, bitcmpqi_z_used,
        bitcmpqi_12, bitcmphi, various splits and peephole2s): Wrap cc0<-reg
        sets with COMPARE.

        * config/m68k/predicates.md (m68k_cstore_comparison_operator,
        const0_operand, const1_operand, m68k_subword_comparison_operand): New.
        * config/m68k/constraints.md (H): New.
        * config/m68k/m68k.md (tstdi): Remove define_expand, use name for
        the define_insn below.
        (tstsi, tsthi, tst<FP:mode>, cmphi, cmpqi, cmp<FP:mode>): Delete.
        (*tstsi_internal_68020_cf, *tstsi_internal, *tsthi_internal,
        *tstqi_internal, tst<mode>_6881, tst<mode>_cf, many unnamed
        patterns): Wrap RHS with COMPARE.
        (tst<FP>_68881, tst<FP>_cf): Use const0_operand.
        (*cmpdi_internal): Name this pattern.
        (cmpdi): Change to define_insn.
        (cbranchdi4, cstoredi4, cbranchsi4, cstoresi4, cbranchhi4, cstorehi4,
        cbranchqi4, cstoreqi4, cbranch<FP:mode>4, cstore<FP:mode>4): New.
        (scc0_di, scc0_di_5200, scc_di): Use the ordered_comparison_operator
        predicate.
        (seq, sne, sgt, sgtu, slt, sltu, sge, sgeu, sle, sleu, sordered,
        sunordered, suneq, sunge, sungt, sunle, sunlt, sltgt): Delete
        (conditional_trap): Change to...
        (ctrapdi4, ctrapsi4, ctraphi4, ctrapqi4): ... these.
        (*conditional_trap): Use the ordered_comparison_operator and
        const1_operand predicates.
        * config/m68k/m68k.c (m68k_last_compare_had_fp_operands): Delete.
        (m68k_expand_prologue): Use ctrapsi4 instead of cmpsi+conditional_trap.
        (m68k_rtx_costs): Look for ZERO_EXTRACT in a COMPARE.
        * config/m68k/m68k.h (m68k_last_compare_had_fp_operands): Delete.

        * config/mcore/mcore-protos.h (arch_compare_op0, arch_compare_op1,
        mcore_modify_comparison, mcore_gen_compare_reg): Remove.
        (mcore_gen_compare): New.
        * config/mcore/mcore.c (arch_compare_op0, arch_compare_op1): Delete.
        (mcore_modify_comparison, mcore_gen_compare_reg): Fold into...
        (mcore_gen_compare): ... this.
        * config/mcore/mcore.md (cmpsi, bCC, sCC): Remove.
        (cbranchsi4, cstoresi4): New, using mcore_gen_compare.
        (stack probe pattern): Use cbranchsi4.

        * config/mips/predicates.md (mips_cstore_operator): New.
        * config/mips/mips-ps-3d.md (movv2sfcc): Do not use cmp_operands.
        * config/mips/mips.md (any_cond): Delete.
        (conditional_trap): Rename to ctrap<GPR:mode>4.  Adjust predicates,
        always succeed.
        (fixuns_truncdfsi2, fixuns_truncdfdi2, fixuns_truncsfsi2,
        fixuns_truncsfdi2): Use cbranch patterns.
        (cmp<GPR:mode>, cmp<SCALARF:mode>): Delete.
        (b<code>): Change to cbranch<GPR:mode>4 and cbranch<SCALARF:mode>4.
        Adjust call to mips_expand_conditional_branch.
        (seq, sne, slt<u>, sle<u>, sgt<u>, sge<u>): Change to
        cstore<GPR:mode>4.
        * config/mips/mips-protos.h (mips_expand_conditional_branch,
        mips_expand_scc, mips_expand_conditional_trap): Adjust prototypes.
        * config/mips/mips.c (cmp_operands): Delete.
        (mips_emit_compare): Get comparison operands from *op0/*op1.
        (mips_expand_scc): Get code/op0/op1/target from operands.  Assert
        that it succeeds.  Use op0/op1 instead of cmp_operands.
        (mips_expand_conditional_branch, mips_expand_conditional_move,
        mips_expand_conditional_trap): Likewise.
        (mips_block_move_loop): Use cbranch patterns.
        * config/mips/mips.h (cmp_operands): Delete.

        * config/mmix/mmix.c (mmix_valid_comparison): Delete.
        (mmix_gen_compare_reg): Just return a register in the right CC mode.
        * config/mmix/mmix.h (mmix_compare_op0, mmix_compare_op1): New.
        * config/mmix/mmix.md (cmpdi, cmpdf): Remove.
        (*cmpcc_folded): Rename to...
        (*cmpdi_folded): this.
        (*cmpcc): Rename to...
        (*cmps): ... this.
        (movdfcc, movdicc): Adjust for new semantics of mmix_gen_compare_reg.
        (bCC): Remove.
        (cbranchdi4): New.
        (cbranchdf4): New.  Handle invalid comparisons here.
        * config/mmix/predicates.md (float_comparison_operator): New.

        * config/mn10300/mn10300.c (mn10300_rtx_costs): Consider 0 and
        zero_extract to be cheap in (compare (zero_extract) (const_int 0).
        * config/mn10300/mn10300.md (tst): Delete.
        (*tst_extqisi_am33, *tst_extqisi, *tst_exthisi_am33, *tst_exthisi):
        Name these patterns and wrap RHS in a compare.
        (*cmpsi): Make this pattern private.  Include tst.
        (*cmpsf): Make this pattern private.
        (and and zero_extract cc0 set): Wrap RHS in a COMPARE.
        (compare with zero peepholes): Likewise.
        (bCC): Remove.
        (cbranchsi4, cbranchsf4): New.
        (casesi): Use cbranchsi4.

        * config/pa/pa.c (hppa_compare_op0, hppa_compare_op1,
        hppa_branch_type): Delete.
        (return_addr_rtx): Use cbranchsi4.
        (emit_bcond_fp): Accept all operands.  Replace CODE with NE.
        Emit CCFPmode comparison here.
        (gen_cmp_fp): Delete, now part of emit_bcond_fp.
        * config/pa/pa.h (enum cmp_type, hppa_compare_op0, hppa_compare_op1,
        hppa_branch_type): Delete.
        * config/pa/pa.md (cmpdi, cmpsi, cmpsf, cmpdf, sCC, bCC): Delete.
        (movsicc, movdicc): Remove references to hppa_compare_op0,
        hppa_compare_op1 and compare_from_rtx.
        (cbranchdi4, cbranchsi4, cbranchsf4, cbranchdf4, cstoresi4): New.
        (casesi): Use cbranchsi4.

        * config/pdp11/pdp11-protos.h (output_jump): Change prototype.
        * config/pdp11/pdp11.c (output_jump): Embed opcodes here.
        * config/pdp11/pdp11.md (register_or_const0_operand): New.
        (cmpdf, cmphi, cmpqi): Make private.  Add tst alternatives.
        (cmpsi, tstsi, tstdf, tsthi, tstqi): Delete.
        (bCC): Delete.
        (cbranchdf4, cbranchhi4, cbranchqi4): New.
        (*branch, *branch_inverted): New.

        * config/picochip/picochip.md (cbranchhi4): Use
        ordered_comparison_operator.
        (cmphi, bCC): Remove.

        * config/rs6000/predicates.md (rs6000_cbranch_operator): New.
        (trap_comparison_operator): Delete.
        * config/rs6000/rs6000-protos.h (rs6000_emit_sCOND,
        rs6000_emit_cbranch): Accept mode and operands.
        * config/rs6000/rs6000.c (rs6000_compare_op0, rs6000_compare_op1,
        rs6000_compare_fp_p): Delete.
        (rs6000_generate_compare): Accept mode and comparison.  Extract code
        and op0/op1 from there.  Replace references to rs6000_compare_op0
        and rs6000_compare_op1.
        (rs6000_emit_sCOND): Adjust call to rs6000_generate_compare and
        extract result from passed operands.
        (rs6000_emit_cbranch): Adjust call to rs6000_generate_compare and
        extract loc from passed operands.
        (rs6000_emit_cmove): Likewise.
        * config/rs6000/rs6000.h (rs6000_compare_op0, rs6000_compare_op1,
        rs6000_compare_fp_p): Delete.
        * config/rs6000/rs6000.md (cmp<GPR>, cmp<FP>, bCC, sCC): Delete.
        (cbranch<GPR>4, cbranch<FP>4): New.
        (cstore<mode>4): New.  Consolidate here all choices about when to use
        portable or specialized sCC sequences.
        (stack_protect_test): Use cbranchsi4.
        (conditional_trap): Replace with ctrap<GPR>4.
        (conditional trap insn): Replace trap_comparison_operator with
        ordered_comparison_operator.

        * config/s390/s390.c (s390_compare_op0, s390_compare_op1): Delete.
        (s390_emit_prologue): Use ctrap.
        * config/s390/s390.h (s390_compare_op0, s390_compare_op1): Delete.
        * config/s390/predicates.md (s390_eqne_operator, s390_scond_operator):
        New predicates replacing...
        * config/s390/s390.md (COMPARE, SCOND): ... these iterators.
        (cmp<GPR>, cmp<FP>, cmpcc): Delete.
        (trunc patterns): Use emit_cmp_and_jump_insns instead of cmp/branch.
        (add<mode>cc): Do not use s390_compare_op0/op1.
        (s<code>): Change to...
        (cstore<mode>4): ... this. Do not use s390_compare_op0/op1.
        (seq): Change to...
        (cstorecc4): ... this.  Handle EQ or NE equally.
        (*sne): Un-privatize for use in cstorecc4.
        (b<code>): Change to...
        (cbranch<GPR>4, cbranch<FP>4, cbranchcc4): ... these.
        (conditional_trap): Replace with...
        (ctrap<GPR>4, ctrap<FP>4): ... these.
        (stack_protect): Use cbranchcc4.

        * config/score/score-conv.h (cmp_op0, cmp_op1): Delete.
        * config/score/score-protos.h (score_gen_cmp): Delete.
        * config/score/score.c (cmp_op0, cmp_op1, score_gen_cmp): Delete.
        (score_block_move-loop): Use cbranchsi4.
        * config/score/score.md (cbranchsi4): New.
        (cmpsi, bCC): Delete.
        * config/score/score3.c (cmp_op0, cmp_op1, score3_gen_cmp): Delete.
        (score3_movsicc): Use ops[1] operands instead of cmp_op0/cmp_op1.
        * config/score/score7.c (cmp_op0, cmp_op1, score7_gen_cmp): Delete.
        (score7_movsicc): Use ops[1] operands instead of cmp_op0/cmp_op1.
        * config/score/score3.h (score3_gen_cmp): Delete.
        * config/score/score7.h (score7_gen_cmp): Delete.

        * config/sh/sh-protos.h (prepare_scc_operands): Rename to...
        (sh_emit_scc_to_t): ... this.  Return void.
        (from_compare): Rename to...
        (sh_emit_compare_and_branch): ... this.
        (sh_emit_compare_and_set): New.
        (sh_expand_t_scc): Accept operands.
        * config/sh/predicates.md (sh_float_comparison_operator): New.
        * config/sh/sh.c (sh_compare_op0, sh_compare_op1): Delete.
        (prepare_scc_operands): Rename to...
        (sh_emit_scc_to_t): ... this.  Return void.  Get op0/op1 from
        arguments.
        (sh_emit_cheap_store_flag): New.
        (sh_emit_set_t_insn): New.
        (from_compare): Rename to...
        (sh_emit_compare_and_branch): ... this.  Accept mode.  Rewrite
        handling of TARGET_SH2E floating point to avoid recursive call.
        Generate branch here.
        (sh_emit_compare_and_set): New.
        (sh_expand_t_scc): Get op0/op1 from arguments.
        (sh_emit_cheap_store_flag): New.
        * config/sh/sh.md (cbranchdi4, cbranchsi4): Include -mno-cbranchdi
        cases.
        (cbranchdi4_i): Use an "I08" constraint instead of an "i" constraint.
        (cmpsi, cmpdi, cmpsf, cmpdf): Delete.
        (movsicc, movdicc): Do nothing when it recreated operands from
        sh_compare_*. Use sh_emit_cheap_store_flag.  Adjust call to
        prepare_scc_operands (now sh_emit_scc_to_t).
        (udivdi3): Use cstoresi4.
        (beq_media, bne_media, bge_media, bgtu_media, bgeu_media, beq,
        bne, bgt, blt, ble, bge, bgtu, bltu, bgeu, bleu, bunordered): Delete.
        (cbranchint4_media, cbranchfp4_media): New.
        (casesi): Use cbranchdi4.
        (seq, slt, sle, sgt, sge, sgtu, sltu, sgeu, sne, sleu, sunordered):
        Delete.
        (cstore4_media, cstoresi4, cstoredi4, cstoresf4, cstoredf4): New.
        (movnegt): Remove second operand.
        (cbranchsf4, cbranchdf4): New.
        (stack_protect): Use cbranchdi4/cbranchsi4.

        * config/sparc/sparc.c (sparc_compare_op0, sparc_compare_op1): Delete.
        (gen_compare_reg): Accept comparison, extract part of it to...
        (gen_compare_reg_1): ... this.
        (gen_compare_operator): Delete.
        (gen_v9_scc): Accept separate destination, comparison code and arms.
        Do not use sparc_compare_op0/sparc_compare_op1.
        (emit_scc_insn, emit_conditional_branch_insn): New.
        (emit_v9_brxx): Make static.  Remove useless assertion.
        (sparc_emit_float_lib_cmp): Return RTL instead of calling
        emit_cmp_insn.
        (sparc_expand_compare_and_swap_12): Use gen_compare_reg_1+cbranchcc4.
        * config/sparc/sparc-protos.h (gen_compare_reg,
        sparc_emit_float_lib_cmp): Adjust prototype.
        (emit_scc_insn, emit_conditional_branch_insn): New.
        (gen_v9_scc, emit_v9_brxx_insn, gen_compare_operator): Delete.
        * config/sparc/sparc.h (sparc_compare_op0, sparc_compare_op1): Delete.
        * config/sparc/sparc.md (P, I, F, V32, V32I, V64, V64I): Move all
        iterators to the top.
        (cmpsi, cmpdi, cmpsf, cmpdf, cmptf, seqsi_special_extend,
        snesi_special_extend, sCC, bCC, seqdi_special_trunc,
        snedi_special_trunc): Delete.
        (seqdi_special, snedi_special): Use expansion of seqdi_special_trunc
        and snedi_special_trunc.
        (cstoresi4, cstoredi4, cstore<F:mode>4, cbranchcc4, cbranchsi4,
        cbranchdi4, cbranch<F:mode>4): New.
        (mov<I:mode>cc, mov<F:mode>cc): Handle sparc_emit_float_lib_cmp
        here.  Use gen_compare_reg instead of gen_compare_operator.
        (conditional_trap): Replace with...
        (ctrapsi4, ctrapdi4): ... this.
        (stack_protect_test): Use cbranchcc4.

        * config/spu/spu-protos.h (spu_emit_branch_or_set): Change second
        argument to rtx.
        * config/spu/spu.c (spu_compare_op0, spu_compare_op1): Remove.
        (spu_emit_branch_or_set): Get code/op0/op1 from second argument.
        Change spu_compare_op0/op1 to op0/op1 throughout.  Get target
        from operands[0] or operands[3] depending on is_set.
        * config/spu/spu.h (spu_compare_op0, spu_compare_op1): Remove.
        * config/spu/spu.md (cmp<mode:VQHSI>, cmp<mode:DTI>, cmp<mode:VSF>,
        cmpdf, bCC), sCC: Remove.
        (cbranch<mode:VQHSI>4, cbranch<mode:DTI>, cbranch<mode:VSF>4,
        cbranchdf4, cstore<mode:VQHSI>4, cstore<mode:DTI>, cstore<mode:VSF>4,
        cstoredf4): New.
        (mov<mode>cc): Accept ordered_comparison_operator, adjust call to
        spu_emit_branch_or_set.

        * config/stormy16/stormy16-protos.h (xstormy16_emit_cbranch):
        Add two arguments.
        * config/stormy16/stormy16.h (xstormy16_compare_op0,
        xstormy16_compare_op1): Delete.
        * config/stormy16/stormy16.c (xstormy16_compare_op0,
        xstormy16_compare_op1): Delete.
        (xstormy16_emit_cbranch): Get op0/op1 from the new arguments.
        Adjust calls.
        * config/stormy16/stormy16.md (cbranchsi4, cbranchhi4): New.
        (cmphi, cmpsi, bCC): Remove.

        * config/v850/v850.md (tstsi, cmpsi): Fold into...
        (*cmpsi): ... this one.
        (cbranchsi4, cstoresi4): New.
        (bCC expanders): Delete.
        (sCC insns): Fold into...
        (*setcc): ... this one.
        (casesi): Do not use gen_cmpsi and gen_bgtu.
        (various splits): Wrap "naked" RHS of a cc0 set with COMPARE.
        (movsicc): Simplify.
        * config/v850/v850.c (v850_rtx_costs): Handle ZERO_EXTRACT in COMPARE.

        * config/vax/vax-protos.h (cond_name): New.
        (vax_output_conditional_branch): Remove.
        * config/vax/vax.c (cond_name): New.
        (vax_output_conditional_branch): Remove.
        * config/vax/vax.h (PRINT_OPERAND): Dispatch %c to cond_name.
        * config/vax/vax.md (tst<VAXint>, tst<VAXfp>): Remove.
        (cmp<VAXint>, cmp<VAXfp>): Privatize.  Add constraints for tst.
        (bit<VAXint>): Wrap source with (compare).
        (b<code> and following unnamed pattern): Rename to *branch and
        *branch_reversed.  Change macroization to match_operator.
        (cbranch<VAXint>4, cbranch<VAXfp>4): New.

        * config/xtensa/predicates.md (xtensa_cstoresi_operator): New.
        * config/xtensa/xtensa-protos.h (xtensa_expand_conditional_branch):
        Change last argument to machine_mode.
        (xtensa_expand_scc): Add machine_mode argument.
        * config/xtensa/xtensa.c (branch_cmp, branch_type): Remove.
        (gen_conditional_move, xtensa_expand_conditional_branch,
        xtensa_expand_scc, xtensa_expand_conditional_move): Use mode
        instead of branch_type, fetch cmp0/cmp1/test_code from operands[].
        Adjust operand numbers.
        * config/xtensa/xtensa.h (enum cmp_type, branch_cmp, branch_type):
        Delete.
        * config/xtensa/xtensa.md (any_cond, any_scc): Delete.
        (cmpsi, cmpsf, b<code>, s<code>): Delete.
        (cbranchsi4, cbranchsf4, cstoresi4, cstoresf4): New.

2009-05-12  Paolo Bonzini  <bonzini@gnu.org>

        * optabs.c (prepare_cmp_insn): Temporarily disable test that
        causes spurious differences between trunk and cond-optab branch.

2009-05-12  Alexandre Oliva  <aoliva@redhat.com>

        PR target/37137
        * doc/install.texi (STAGE1_TFLAGS, BUILD_CONFIG): Document.

2009-05-12  Alexandre Oliva  <aoliva@redhat.com>

        * tree.c (iterative_hash_pointer): Delete.
        (iterative_hash_expr): Short-circuit handling of NULL pointer.
        Hash UIDs and versions of SSA names.  Don't special-case built-in
        function declarations.

2009-05-11  Ian Lance Taylor  <iant@google.com>

        PR bootstrap/40103
        * graphite.c: Force -Wc++-compat to only be a warning before
        #including "cloog/cloog.h".

2009-05-11  Martin Jambor  <mjambor@suse.cz>

        * ipa-cp.c (ipcp_cloning_candidate_p): Add missing return false.

2009-05-11  Jan Hubicka  <jh@suse.cz>

        * tree-ssa-loop-ivcanon.c: Include target.h
        (struct loop_size): new structure.
        (constant_after_peeling): New predicate.
        (tree_estimate_loop_size): New function.
        (estimated_unrolled_size): Rewrite for new estimates.
        (try_unroll_loop_completely): Use new estimates.
        * Makefile.in (tree-ssa-loop-ivcanon.o): Add dependenc on target.h

2009-05-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>

        * config/spu/spu-c.c (spu_categorize_keyword): Update for recent
        libcpp interface change.
        (spu_macro_to_expand): Likewise.

2009-05-11  Paolo Bonzini  <bonzini@gnu.org>

        PR tree-optimization/40026
        * gimplify.c (gimplify_init_constructor): Change initial conditional
        to assertion.  Rewrite TREE_OPERAND (*expr_p, 1) after
        optimize_compound_literals_in_ctor.

2009-05-11  Nathan Sidwell  <nathan@codesourcery.com>

        * config/m68k/m68k-devices.def (52274, 52277, 5301x, 5225x, 51xx):
        New devices.
        * doc/invoke.texi (M680x0 Options): Document new coldfire cpus.

2009-05-11  H.J. Lu  <hongjiu.lu@intel.com>

        * tree-vect-data-refs.c (vect_analyze_group_access): Use
        HOST_WIDE_INT for gap.

2009-05-11  Ira Rosen  <irar@il.ibm.com>

        PR tree-optimization/40074
        * tree-vect-data-refs.c (vect_analyze_group_access): Take gaps into
        account in group size and step comparison.

2009-05-11  Richard Guenther  <rguenther@suse.de>

        * passes.c (init_optimization_passes): Strip now incorrect comment.
        (execute_function_todo): Do not set PROP_alias.
        * tree-pass.h (PROP_alias): Remove.
        * tree-ssa-structalias.c (pass_build_alias): Do not provide PROP_alias.
        * tree-if-conv.c (pass_if_conversion): Do not require PROP_alias.
        * tree-nrv.c (pass_return_slot): Likewise.
        * tree-object-size.c (pass_object_sizes): Likewise.
        * tree-ssa-dom.c (pass_dominator): Likewise.
        (pass_phi_only_cprop): Likewise.
        * tree-ssa-dse.c (pass_dse): Likewise.
        * tree-ssa-phiopt.c (pass_phiopt): Likewise.
        (pass_cselim): Likewise.
        * tree-ssa-pre.c (pass_pre): Likewise.
        (pass_fre): Likewise.
        * tree-ssa-reassoc.c (pass_reassoc): Likewise.
        * tree-ssa-sink.c (pass_sink_code): Likewise.
        * tree-stdarg.c (pass_stdarg): Likewise.
        * tree-tailcall.c (pass_tail_calls): Likewise.
        * tree-vrp.c (pass_vrp): Likewise.

2009-05-10  Ian Lance Taylor  <iant@google.com>

        * basic-block.h (enum profile_status): Break out of struct
        control_flow_graph.
        * cgraph.h (struct inline_summary): Break out of struct
        cgraph_local_info.
        * cgraphunit.c (enum cgraph_order_sort_kind): New enum, broken out
        of struct cgraph_order_sort.
        * combine.c (enum undo_kind): New enum, broken out of struct undo.
        * cse.c (struct branch_path): Break out of struct
        cse_basic_block_data.
        * except.h (enum eh_region_type): Break out of struct eh_region.
        * gcc.c (enum add_del): Break out of struct modify_target.
        * genrecog.c (enum decision_type): Break out of struct decision_test.
        * ggc-page.c (struct ggc_pch_ondisk): Break out of struct
        ggc_pch_data.
        * matrix-reorg.c (struct free_info): Break out of struct matrix_info.
        * regmove.c (enum match_use): New enum, broken out of struct match.
        * sched-int.h (enum post_call_group): New enum, broken out of
        struct deps.
        (struct deps_reg): Break out of struct deps.
        * target.h (struct asm_int_op): Break out of struct gcc_target.
        * tree-eh.c (struct goto_queue_node): Break out of struct
        leh_tf_state.
        * tree-inline.h (enum copy_body_cge_which): Break out of
        copy_body_data.
        * tree-pass.h (enum opt_pass_type): Break out of struct opt_pass.

        * c-decl.c (in_struct, struct_types): New static variables.
        (pushtag): Add loc parameter.  Change all callers.
        (lookup_tag): Add ploc parameter.  Change all callers.
        (check_compound_literal_type): New function.
        (parser_xref_tag): Add loc parameter.  Change all callers.  If
        -Wc++-compat, warn about struct/union/enum types defined within a
        struct or union.
        (start_struct): Add enclosing_in_struct, enclosing_struct_types,
        and loc parameters.  Change all callers.  Change error calls to
        error_at, using loc.  For a redefinition, if the location of the
        original definition is known, report it.  Set in_struct and
        struct_types.  If -Wc++-compat warn if in sizeof, typeof, or alignof.
        (finish_struct): Add new parameters enclosing_in_struct and
        enclosing_struct_types.  Change all callers.  Set
        C_TYPE_DEFINED_IN_STRUCT for all struct/union/enum types defined
        in the struct.  If in a struct, add this struct to struct_types.
        (start_enum): Add loc parameter.  Change all callers.  Use
        error_at for errors, using loc.  For a redefinition, if the
        location of the original definition is known, report it.  If in a
        struct, add this enum type to struct_types.  If -Wc++-compat warn
        if in sizeof, typeof, or alignof.
        * c-parser.c (disable_extension_diagnostics): Disable -Wc++-compat.
        (enable_extension_diagnostics): Reenable -Wc++-compat if appropriate.
        (c_parser_enum_specifier): Get enum location for start_enum.
        (c_parser_struct_or_union_specifier): Get struct location for
        start_struct.  Save in_struct and struct_types status between
        start_struct and finish_struct.
        (c_parser_cast_expression): Get location of cast.
        (c_parser_alignof_expression): Get location of type.
        (c_parser_postfix_expression): Likewise.
        (c_parser_postfix_expression_after_paren_type): Add type_loc
        parameter.  Change all callers.  Call check_compound_literal_type.
        Use type_loc for error about variable size type.
        * c-typeck.c (build_external_ref): If -Wc++-compat, warn about a use
        of an enum constant from an enum type defined in a struct or union.
        (c_cast_expr): Add loc parameter.  Change all callers.  If
        -Wc++-compat, warn about defining a type in a cast.
        * c-tree.h (C_TYPE_DEFINED_IN_STRUCT): Define.
        (start_enum, start_struct, finish_struct): Update declarations.
        (parser_xref_tag, c_cast_expr): Update declarations.
        (check_compound_literal_type): Declare.

2009-05-11  Ben Elliston  <bje@au.ibm.com>

        * config/rs6000/rs6000-c.c (altivec_categorize_keyword): Update
        for recent libcpp interface change.
        (rs6000_macro_to_expand): Likewise.

2009-05-10  Michael Matz  <matz@suse.de>

        PR target/40031
        * config/arm/arm.c (require_pic_register): Emit on entry edge,
        not at entry of function.

2009-05-10  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/40081
        Revert
        * tree-sra.c (instantiate_element): Instantiate scalar replacements
        using the main variant of the element type.  Do not fiddle with
        TREE_THIS_VOLATILE or TREE_SIDE_EFFECTS.

        * tree-sra.c (sra_type_can_be_decomposed_p): Do not decompose
        structs with volatile fields.

2009-05-10  Jan Hubicka  <jh@suse.cz>

        * tree-inline.c (delete_unreachable_blocks_update_callgraph): Declare.
        (estimate_move_cost): Assert that it does not get called for
        VOID_TYPE_P.
        (estimate_num_insns): Skip VOID types in argument handling.
        (optimize_inline_calls): Delete unreachable blocks and verify that
        callgraph is valid.

2009-05-10  Jan Hubicka  <jh@suse.cz>

        * cgraphbuild.c (record_reference): Use cgraph_mark_address_taken_node.
        * cgraph.c (cgraph_mark_address_taken_node): New function.
        (dump_cgraph_node): Dump new flag.
        * cgraph.h (struct cgraph_node): Add address_taken.
        (cgraph_mark_address_taken_node): New function.
        * ipa.c (cgraph_postorder): Prioritize functions with address taken
        since new direct calls can be born.

2009-05-10  Joseph Myers  <joseph@codesourcery.com>

        * c-lex.c (c_lex_with_flags): Expect cpp_hashnode in
        tok->val.node.node.

2009-05-10  Jan Hubicka  <jh@suse.cz>

        PR middle-end/40084
        * cgraph.c (cgraph_update_edges_for_call_stmt_node): Take old_call
        argument; rewrite.
        (cgraph_update_edges_for_call_stmt): Take old_decl argument.
        * cgraph.h (cgraph_update_edges_for_call_stmt): Update prototype.
        * tree-inline.c (copy_bb): Set frequency correctly.
        (fold_marked_statements): Update call to
        cgraph_update_edges_for_call_stmt.

2009-05-10  Joseph Myers  <joseph@codesourcery.com>

        * config/arc/arc.c (arc_handle_interrupt_attribute): Use %qE for
        identifiers in diagnostics.
        * config/arm/arm.c (arm_handle_fndecl_attribute,
        arm_handle_isr_attribute): Likewise.
        * config/avr/avr.c (avr_handle_progmem_attribute,
        avr_handle_fndecl_attribute, avr_handle_fntype_attribute): Likewise.
        * config/bfin/bfin.c (handle_int_attribute,
        bfin_handle_longcall_attribute, bfin_handle_l1_text_attribute,
        bfin_handle_l1_data_attribute, bfin_handle_longcall_attribute,
        bfin_handle_l1_text_attribute, bfin_handle_l1_data_attribute):
        Likewise.
        * config/darwin.c (darwin_handle_kext_attribute,
        darwin_handle_weak_import_attribute): Likewise.
        * config/h8300/h8300.c (h8300_handle_fndecl_attribute,
        h8300_handle_eightbit_data_attribute,
        h8300_handle_tiny_data_attribute): Likewise.
        * config/i386/i386.c (ix86_handle_cconv_attribute,
        ix86_handle_abi_attribute, ix86_handle_struct_attribute): Likewise.
        * config/i386/winnt.c (ix86_handle_shared_attribute,
        ix86_handle_selectany_attribute): Likewise.
        * config/ia64/ia64.c (ia64_handle_model_attribute): Likewise.
        * config/m32c/m32c.c (function_vector_handler): Likewise.
        * config/m68hc11/m68hc11.c (m68hc11_handle_page0_attribute,
        m68hc11_handle_fntype_attribute): Likewise.
        * config/m68k/m68k.c (m68k_handle_fndecl_attribute): Likewise.
        * config/mcore/mcore.c (mcore_handle_naked_attribute): Likewise.
        * config/mips/mips.c (mips_insert_attributes,
        mips_merge_decl_attributes, mips_expand_builtin): Likewise.
        * config/rs6000/rs6000.c (rs6000_handle_longcall_attribute,
        rs6000_handle_struct_attribute): Likewise.
        * config/sh/sh.c (sh_insert_attributes,
        sh_handle_resbank_handler_attribute,
        sh_handle_interrupt_handler_attribute,
        sh2a_handle_function_vector_handler_attribute,
        sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
        Likewise.
        * config/sh/symbian.c (sh_symbian_mark_dllimport): Likewise.
        * config/spu/spu.c (spu_handle_fndecl_attribute,
        spu_handle_vector_attribute): Likewise.
        * config/stormy16/stormy16.c
        (xstormy16_handle_interrupt_attribute): Likewise.
        * config/v850/v850-c.c (ghs_pragma_section): Likewise.
        * config/v850/v850.c (v850_handle_interrupt_attribute): Likewise.

2009-05-10  Joseph Myers  <joseph@codesourcery.com>

        * pretty-print.h (struct pretty_print_info): Add translate_identifiers.
        (pp_translate_identifiers): New.
        (pp_identifier): Only conditionally translate identifier to locale
        character set.
        * pretty-print.c (pp_construct): Set pp_translate_identifiers.
        (pp_base_tree_identifier): Only conditionally translate identifier
        to locale character set.
        * c-pretty-print.c (M_): Define.
        (pp_c_type_specifier, pp_c_primary_expression): Mark English
        fragments for conditional translation with M_.
        * tree-pretty-print.c (maybe_init_pretty_print): Disable
        identifier translation.

2009-05-10  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/40081
        * tree-sra.c (instantiate_element): Instantiate scalar replacements
        using the main variant of the element type.  Do not fiddle with
        TREE_THIS_VOLATILE or TREE_SIDE_EFFECTS.

2009-05-09  Jan Hubicka  <jh@suse.cz>

        PR middle-end/40080
        * cgraphunit.c (cgraph_materialize_all_clones): Do not redirect
        indirect calls; verify cgraph afterwards.

2009-05-09  Jan Hubicka  <jh@suse.cz>

        PR bootstrap/40082
        * ipa.c (update_inlined_to_pointer): New function.
        (cgraph_remove_unreachable_nodes): Use it.

2009-05-09  Jan Hubicka  <jh@suse.cz>

        * tree-eh.c (struct leh_state): Remove prev_try.
        (lower_try_finally, lower_catch, lower_eh_filter, lower_cleanup): Do
        not track prev_try.
        * except.c (gen_eh_region_cleanup, duplicate_eh_regions,
        copy_eh_region_1, copy_eh_region, redirect_eh_edge_to_label,
        remove_eh_handler_and_replace, foreach_reachable_handler,
        verify_eh_region, verify_eh_tree): Remove tracking of prev_try pointer.
        * except.h (struct eh_region): Remove eh_region_u_cleanup.
        (gen_eh_region_cleanup): Update prototype.

2009-05-09  Jan Hubicka  <jh@suse.cz>

        PR middle-end/40043
        * except.c (copy_eh_region): Always set prev_try.
        (redirect_eh_edge_to_label): Find outer try.
        (foreach_reachable_handler): When looking for prev try
        handle case where previous try is not going to be taken.

2009-05-07  Michael Meissner  <meissner@linux.vnet.ibm.com>

        PR tree-optimization/40049
        * tree-vect-stmts.c (vectorizable_operation): If the machine has
        only vector/vector shifts, convert the type of the constant to the
        appropriate type to avoid building incorrect trees, which
        eventually have problems with garbage collection.

2009-05-08  Joseph Myers  <joseph@codesourcery.com>

        * fold-const.c (fold_binary): Do not fold multiplication by 1 or
        -1 for complex floating-point types if honoring signed zeros.

2009-05-08  Jan Hubicka  <jh@suse.cz>

        * cgraphbuild.c (compute_call_stmt_bb_frequency): Accept function
        argument; handle correctly when profile is absent.
        (build_cgraph_edges): Update.
        (rebuild_cgraph_edges): Update.
        * cgraph.c: Do not include varray.h.
        (cgraph_set_call_stmt_including_clones): New function.
        (cgraph_create_edge_including_clones): Likewise
        (cgraph_update_edges_for_call_stmt_node): New static cfunction.
        (cgraph_update_edges_for_call_stmt): Handle clones.
        (cgraph_remove_node): Handle clone tree.
        (cgraph_remove_node_and_inline_clones): New function.
        (dump_cgraph_node): Dump clone tree.
        (cgraph_clone_node): Handle clone tree.
        (clone_function_name): Bring here from tree-inline.c.
        (cgraph_create_virtual_clone): New function.
        * cgraph.h (ipa_replace_map): Move here from ipa.h.
        (cgraph_clone_info): New function.
        (strut cgraph_node): Add clone_info and new clone tree pointers.
        (cgraph_remove_node_and_inline_clones,
        cgraph_set_call_stmt_including_clones,
        cgraph_create_edge_including_clones,
        cgraph_create_virtual_clone): Declare.
        (cgraph_function_versioning): Use VEC argument.
        (compute_call_stmt_bb_frequency): Update prototype.
        (cgraph_materialize_all_clones): New function.
        * ipa-cp.c (ipcp_update_cloned_node): Remove.
        (ipcp_create_replace_map): Update to VECtors.
        (ipcp_update_callgraph): Use virtual clones.
        (ipcp_update_bb_counts, ipcp_update_edges_counts): Remove.
        (ipcp_update_profiling): Do not update local profiling.
        (ipcp_insert_stage): Use VECtors and virtual clones.
        * cgraphunit.c (verify_cgraph_node): Verify clone tree.
        (clone_of_p): New function.
        (cgraph_preserve_function_body_p): Use clone tree.
        (cgraph_optimize): Materialize clones.
        (cgraph_function_versioning): Update for VECtors.
        (save_inline_function_body): Use clone tree.
        (cgraph_materialize_clone): New function.
        (cgraph_materialize_all_clones): Likewise.
        * ipa-inline.c (cgraph_default_inline_p): Use analyzed flags.
        * ipa.c: Include gimple.h.
        (cgraph_remove_unreachable_nodes): Use clone tree.
        * ipa-prop.c (ipa_note_param_call): Update call to
        compute_call_stmt_bb_frequencycall.
        * ipa-prop.h (ipa_replace_map): Move to cgraph.h.
        * tree-inline.c: Do not include varray.h or gt-tree-inline.h.
        (copy_bb): Handle updating of clone tree; add new edge when new call
        appears.
        (expand_call_inline): Be strict about every call having edge.
        (clone_fn_id_num, clone_function_name): Move to cgraph.c.
        (delete_unreachable_blocks_update_callgraph): New function.
        (tree_function_versioning): Use VECtors; always remove unreachable
        blocks and fold conditionals.
        * tree-inline.h: Do not include varray.h.
        (tree_function_versioning): Remove.
        * Makefile.in (GTFILES): Remove tree-inline.c
        * passes.c (do_per_function): Do only functions having body.
        * ipa-struct-reorg.c (do_reorg_1, collect_data_accesses): Handle clone
        tree.

2009-05-08  H.J. Lu  <hongjiu.lu@intel.com>
            Andrew Morrow  <acm@google.com>

        PR c/36892
        * c-common.c (c_common_attribute_table): Permit deprecated
        attribute to take an optional argument.
        (handle_deprecated_attribute): If the optional argument to
        __attribute__((deprecated)) is not a string ignore the attribute
        and emit a warning.

        * c-decl.c (grokdeclarator): Updated warn_deprecated_use call.
        * c-typeck.c (build_component_ref): Likewise.
        (build_external_ref): Likewise.

        * toplev.c (warn_deprecated_use): Add an attribute argument.
        Emit the message associated with __attribute__((deprecated)).

        * toplev.h (warn_deprecated_use): Updated.

        * doc/extend.texi: Document new optional parameter to
        __attribute__((deprecated))

2009-05-08  Michael Eager <eager@eagercon.com>

        * config/rs6000/rs6000.md (*movdf_softfloat32): replace
        !TARGET_DOUBLE_FLOAT with TARGET_SINGLE_FLOAT.

2009-05-08  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/40062
        * tree-scalar-evolution.c (follow_ssa_edge_in_condition_phi):
        Avoid exponential behavior.

2009-05-08  Paolo Bonzini  <bonzini@gnu.org>

        PR rtl-optimization/33928
        PR 26854
        * fwprop.c (use_def_ref, get_def_for_use, bitmap_only_bit_bitween,
        process_uses, build_single_def_use_links): New.
        (update_df): Update use_def_ref.
        (forward_propagate_into): Use get_def_for_use instead of use-def
        chains.
        (fwprop_init): Call build_single_def_use_links and let it initialize
        dataflow.
        (fwprop_done): Free use_def_ref.
        (fwprop_addr): Eliminate duplicate call to df_set_flags.
        * df-problems.c (df_rd_simulate_artificial_defs_at_top,
        df_rd_simulate_one_insn): New.
        (df_rd_bb_local_compute_process_def): Update head comment.
        (df_chain_create_bb): Use the new RD simulation functions.
        * df.h (df_rd_simulate_artificial_defs_at_top,
        df_rd_simulate_one_insn): New.
        * opts.c (decode_options): Enable fwprop at -O1.
        * doc/invoke.texi (-fforward-propagate): Document this.

2009-05-08  Joseph Myers  <joseph@codesourcery.com>

        PR c/24581
        * c-typeck.c (build_binary_op): Handle arithmetic between one real
        and one complex operand specially.
        * tree-complex.c (some_nonzerop): Do not identify a real value as
        zero if flag_signed_zeros.

2009-05-08  Paolo Bonzini  <bonzini@gnu.org>

        PR rtl-optimization/33928
        * loop-invariant.c (record_use): Fix && vs. || mishap.

2009-05-08  Paolo Bonzini  <bonzini@gnu.org>

        PR rtl-optimization/33928
        * loop-invariant.c (struct use): Add addr_use_p.
        (struct def): Add n_addr_uses.
        (struct invariant): Add cheap_address.
        (create_new_invariant): Set cheap_address.
        (record_use): Accept df_ref.  Set addr_use_p and update n_addr_uses.
        (record_uses): Pass df_ref to record_use.
        (get_inv_cost): Do not add inv->cost to comp_cost for cheap addresses
        used only as such.

2009-05-08  Kaz Kojima  <kkojima@gcc.gnu.org>

        * config/sh/sh.c: Do not include c-pragma.h.

2009-05-07  Andrew Pinski  <andrew_pinski@playstation.sony.com>

        * config/spu/spu.c: Remove include of c-common.h.

2009-05-07  Janis Johnson  <janis187@us.ibm.com>

        PR c/39037
        * c-common.h (mark_valid_location_for_stdc_pragma,
        valid_location_for_stdc_pragma_p, set_float_const_decimal64,
        clear_float_const_decimal64, float_const_decimal64_p): New.
        * c.opt (Wunsuffixed-float-constants): New.
        * c-lex.c (interpret_float): Use pragma FLOAT_CONST_DECIMAL64 for
        unsuffixed float constant, handle new warning.
        * c-cppbuiltin.c (c_cpp_builtins): Use cast for double constants.
        * c-decl.c (c_scope): New flag float_const_decimal64.
        (set_float_const_decimal64, clear_float_const_decimal64,
        float_const_decimal64_p): New.
        (push_scope): Set new flag.
        * c-parser.c (c_parser_translation_unit): Mark when it's valid
        to use STDC pragmas.
        (c_parser_external_declaration): Ditto.
        (c_parser_compound_statement_nostart): Ditto.
        * c-pragma.c (valid_location_for_stdc_pragma,
        mark_valid_location_for_stdc_pragma,
        valid_location_for_stdc_pragma_p, handle_stdc_pragma,
        handle_pragma_float_const_decimal64): New.
        (init_pragma): Register new pragma FLOAT_CONST_DECIMAL64.
        * cp/semantics.c (valid_location_for_stdc_pragma_p,
        set_float_const_decimal64, clear_float_const_decimal64,
        float_const_decimal64_p): New dummy functions.
        * doc/extend.texi (Decimal Float): Remove statement that the
        pragma, and suffix for double constants, are not supported.
        * doc/invoke.texi (Warning Options): List new option.
        (-Wunsuffixed-float-constants): New.

2009-05-08  Steven Bosscher  <steven@gcc.gnu.org>

        * config/i386/i386.c: Do not include c-common.h.

2009-05-07  Mark Heffernan  <meheff@google.com>

        * doc/invoke.texi (Debugging Options): Document change of debugging
        dump location.
        * opts.c (decode_options): Make dump_base_name relative to
        aux_base_name directory.

2009-05-07  Hariharan Sandanagobalane <hariharan@picochip.com>

        * config/picochip/picochip.h (NO_DOLLAR_IN_LABEL): Added.
        * config/picochip/libgccExtras/divmod15.asm : Removed redefiniton.

2009-05-07  Rafael Avila de Espindola  <espindola@google.com>

        * Makefile.in (install-plugin): Simplify a bit.

2009-05-07  Paolo Bonzini  <bonzini@gnu.org>

        * Makefile.in (OBJS-common): Add regcprop.o.
        (regcprop.o): New.
        * timevar.def (TV_CPROP_REGISTERS): New.
        * regrename.c (regrename_optimize): Return 0.
        (rest_of_handle_regrename): Delete.
        (pass_rename_registers): Point to regrename_optimize.
        (struct value_data_entry, struct value_data,
        kill_value_one_regno, kill_value_regno, kill_value,
        set_value_regno, init_value_data, kill_clobbered_value,
        kill_set_value, kill_autoinc_value, copy_value,
        mode_change_ok, maybe_mode_change, find_oldest_value_reg,
        replace_oldest_value_reg, replace_oldest_value_addr,
        replace_oldest_value_mem, copyprop_hardreg_forward_1,
        debug_value_data, validate_value_data): Move...
        * regcprop.c: ... here.
        (rest_of_handle_cprop): Delete.
        (pass_cprop_hardreg): Point to copyprop_hardreg_forward.

2009-05-07  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/40057
        * dojump.c (prefer_and_bit_test): Use immed_double_const instead of
        GEN_INT for 1 << bitnum.
        (do_jump) <case BIT_AND_EXPR>: Use build_int_cst_wide_type instead of
        build_int_cst_type.

2009-05-07  Uros Bizjak  <ubizjak@gmail.com>

        * doc/md.texi (Standard Pattern Names For Generation) [sync_nand]:
        Remove wrong description of "nand" operation.

2009-05-06  Richard Guenther  <rguenther@suse.de>
            Adam Nemet  <anemet@caviumnetworks.com>

        * gimple.def (GIMPLE_ASSIGN): Fix incorrect information in the
        comment.  Add that if LHS is not a gimple register, then RHS1 has
        to be a single object (GIMPLE_SINGLE_RHS).

2009-05-06  Adam Nemet  <anemet@caviumnetworks.com>

        * expr.c (get_def_for_expr): Move it up in the file.
        (store_field): When expanding a bit-field store, look at the
        defining gimple stmt for the masking conversion.

2009-05-06  Janis Johnson  <janis187@us.ibm.com>

        PR middle-end/39986
        * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
        decode_decimal64, encode_decimal128, decode_decimal128): Avoid
        32-bit memcpy into long.

2009-05-06  Jakub Jelinek  <jakub@redhat.com>

        * dwarf2out.c (new_reg_loc_descr): Don't ever create DW_OP_regX.
        (one_reg_loc_descriptor): Create DW_OP_regX here instead of calling
        new_reg_loc_descr.
        (loc_by_reference): If loc is DW_OP_regX, change it into DW_OP_bregX 0
        instead of appending DW_OP_deref*.

2009-05-06  Michael Matz  <matz@suse.de>

        PR middle-end/40021
        * cfgexpand.c (maybe_cleanup_end_of_block): New static function.
        (expand_gimple_cond): Use it to cleanup CFG and superfluous jumps.

2009-05-06  Rafael Avila de Espindola  <espindola@google.com>

        * Makefile.in (install-plugin): Fix srcdir handling.

2009-05-06  Andrey Belevantsev  <abel@ispras.ru>

        * tree-ssa.c (execute_update_address_taken): Handle TARGET_MEM_REF
        when processing for not_regs_needed bitmap.
        * gimple.c (walk_stmt_load_store_addr_ops): When visiting address,
        handle TARGET_MEM_REF in lhs.  Check TMR_BASE for NULL while
        handling it for rhs.

2009-05-06  H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/i386.md (unnamed inc/dec peephole): Use
        optimize_insn_for_size_p instead of optimize_size.
        * config/i386/predicates.md (incdec_operand): Likewise.
        (aligned_operand): Likewise.
        * config/i386/sse.md (divv8sf3): Likewise.
        (sqrtv8sf2): Likewise.

2009-05-06  H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/i386.c (ix86_build_signbit_mask): Make it static.

        * config/i386/i386-protos.h (ix86_build_signbit_mask): Removed.

2009-05-06  H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/i386.md (*avx_<code><mode>3_finite): Replace
        ssemodesuffixf2c with avxmodesuffixf2c.

2009-05-06  Joseph Myers  <joseph@codesourcery.com>

        PR c/40032
        * c-decl.c (grokdeclarator): Handle incomplete type of unnamed field.

2009-05-05  Jakub Jelinek  <jakub@redhat.com>

        * tree.h: Remove DECL_BY_REFERENCE from private_flag comment.
        (struct tree_base): Adjust spacing for 8 bit boundaries.
        (struct tree_decl_common): Add decl_by_reference_flag bit.
        (DECL_BY_REFERENCE): Adjust.
        * print-tree.c (print_node): For VAR_DECL, PARM_DECL or RESULT_DECL,
        print DECL_BY_REFERENCE bit.
        * dbxout.c (DECL_ACCESSIBILITY_CHAR): Revert last change.
        * dwarf2out.c (loc_by_reference, gen_decl_die): Check
        DECL_BY_REFERENCE for all VAR_DECLs, not just non-static ones.
        (gen_variable_die): Likewise.  Check TREE_PRIVATE/TREE_PROTECTED
        unconditionally.

        PR middle-end/39666
        * gimplify.c (gimplify_switch_expr): If case labels cover the whole
        range of the type, but default label is missing, add it with one
        of the existing labels instead of adding a new label for it.

2009-05-05  Joseph Myers  <joseph@codesourcery.com>

        * dwarf.h: Remove.

2009-05-05  Rafael Avila de Espindola  <espindola@google.com>

        * Makefile.in (enable_plugin, plugin_includedir): New.
        (install): Depend on install-plugin.
        (PLUGIN_HEADERS): New.
        (install-plugin): New.
        * config.gcc: Add vxworks-dummy.h to tm_file for x86 and x86-64.

2009-05-05  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/40022
        * tree-ssa-phiprop.c (struct phiprop_d): Exchange vop_stmt for
        the only vuse.
        (phivn_valid_p): Fix tuplification error, simplify.
        (phiprop_insert_phi): Add dumps.
        (propagate_with_phi): Simplify.

2009-05-05  Richard Guenther  <rguenther@suse.de>

        PR middle-end/40023
        * builtins.c (gimplify_va_arg_expr): Properly build the address.

2009-05-05  Shujing Zhao  <pearly.zhao@oracle.com>

        * tree.h (strip_float_extensions): Remove duplicate declaration.
        (build_low_bits_mask, debug_fold_checksum, expand_function_end,
        expand_function_start, stack_protect_prologue, stack_protect_epilogue,
        block_ultimate_origin): Rearrange the declarations line to match the
        comment that indicates the .c file which the functions are defined.
        (dwarf2out_*, set_decl_rtl): Add comment.
        (get_base_address): Adjust comment.
        (change_decl_assembler_name, maybe_fold_*, build_addr): Rearrange the
        declarations line and add comment.
        (is_builtin_name): Add blank after function name, for clarity.

2009-05-04  Joseph Myers  <joseph@codesourcery.com>

        * attribs.c (decl_attributes): Use %qE for identifiers in
        diagnostics.
        * cgraphunit.c (verify_cgraph_node): Translate function names to
        locale character set in diagnostics.
        * coverage.c (get_coverage_counts): Use %qE for identifiers in
        diagnostics.
        * doc/invoke.texi (-finstrument-functions-exclude-function-list):
        Document that functions are named in UTF-8.
        * expr.c (expand_expr_real_1): Translate function names to locale
        character set in diagnostics.
        * gimplify.c (omp_notice_variable, omp_is_private,
        gimplify_scan_omp_clauses): Use %qE for identifiers in
        diagnostics.
        * langhooks.c (lhd_print_error_function): Translate function names
        to locale character set.
        * langhooks.h (decl_printable_name): Document that return value is
        in internal character set.
        * stmt.c: Include pretty-print.h
        (tree_conflicts_with_clobbers_p): Use %qE for identifiers in
        diagnostics.
        (resolve_operand_name_1): Translate named operand name to locale
        character set.
        * stor-layout.c (finalize_record_size): Use %qE for identifiers in
        diagnostics.
        * toplev.c (announce_function): Translate function names to locale
        character set.
        (warn_deprecated_use): Use %qE for identifiers in diagnostics.
        (default_tree_printer): Use pp_identifier or translate identifiers
        to locale character set.  Mark "<anonymous>" for translation.
        * tree-mudflap.c (mx_register_decls, mudflap_finish_file): Use %qE
        for identifiers in diagnostics.
        * tree.c (handle_dll_attribute): Use %qE for identifiers in
        diagnostics.
        * varasm.c (output_constructor): Use %qE for identifiers in
        diagnostics.

2009-05-04  Rafael Avila de Espindola  <espindola@google.com>

        * configure.ac: use ` ` instead of $()
        * configure: Regenerate.

2009-05-05  Ben Elliston  <bje@au.ibm.com>

        * config/pa/linux-atomic.c: Eliminate conditional include of
        errno.h on non-LP64 systems to simplify build requirements.

2009-05-04  Joseph Myers  <joseph@codesourcery.com>

        * c-common.c (handle_mode_attribute): Use %qE for identifiers in
        diagnostics.
        * c-decl.c (check_bitfield_type_and_width): Make orig_name a tree
        and pass value to identifier_to_locale.
        (warn_variable_length_array): Make name a tree.
        (grokdeclarator): Separate diagnostic texts for named and unnamed
        declarators.  Use %qE for named declarators.
        * c-parser.c (c_lex_one_token): Use %qE for identifiers in
        diagnostics.
        * c-pragma.c (pop_alignment, handle_pragma_pack): Use %qE for
        identifiers in diagnostics.
        * c-typeck.c (push_member_name, start_init): Pass identifiers to
        identifier_to_locale.  Mark "anonymous" strings for translation.

2009-05-04  Michael Eager <eager@eagercon.com>

        * config/rs6000/rs6000.c (rs6000_legitimate_address): Allow
        address for DImode/DFmode only if double-precision FP regs.

2009-05-04  Michael Eager <eager@eagercon.com>

        * config/rs6000/rs6000.c (rs6000_libcall_value): Add
        TARGET_SINGLE_FLOAT check.

2009-05-04  Michael Eager <eager@eagercon.com>

        * config/rs6000/xilinx.h: Add CPP_SPEC for -mxilinx-fpu options.

2009-05-04  Michael Eager <eager@eagercon.com>

        * gcc/config.gcc: (powerpc-xilinx-eabi*): Add tm t-xilinx
        * config/rs6000/t-xilinx: New

2009-05-04  Paolo Bonzini  <bonzini@gnu.org>

        * doc/tm.texi (LEGITIMIZE_ADDRESS): Revise documentation.
        * gcc/defaults.h (LEGITIMIZE_ADDRESS): Delete.
        * gcc/explow.c (memory_address): Use target hook.
        * gcc/targhooks.c (default_legitimize_address): New.
        * gcc/targhooks.h (default_legitimize_address): New.
        * gcc/target.h (legitimize_address): New.
        * gcc/target-def.h (TARGET_LEGITIMIZE_ADDRESS): New.
        (TARGET_INITIALIZER): Include it.
        * gcc/system.h (LEGITIMIZE_ADDRESS): Poison.

        * config/bfin/bfin-protos.h (legitimize_address): Remove.
        * config/bfin/bfin.c (legitimize_address): Remove.
        * config/bfin/bfin.h (LEGITIMIZE_ADDRESS): Remove.
        * config/m68hc11/m68hc11-protos.h (m68hc11_legitimize_address):
        Remove.
        * config/m68hc11/m68hc11.c (m68hc11_legitimize_address): Remove.
        * config/m68hc11/m68hc11.h (LEGITIMIZE_ADDRESS): Remove.

        * gcc/config/arm/arm.h (LEGITIMIZE_ADDRESS, ARM_LEGITIMIZE_ADDRESS,
        THUMB_LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS): Delete.
        * gcc/config/s390/s390.h (LEGITIMIZE_ADDRESS): Delete.
        * gcc/config/m32c/m32c.h (LEGITIMIZE_ADDRESS): Delete.
        * gcc/config/sparc/sparc.h (LEGITIMIZE_ADDRESS): Delete.
        * gcc/config/m32r/m32r.h (LEGITIMIZE_ADDRESS): Delete.
        * gcc/config/i386/i386.h (LEGITIMIZE_ADDRESS): Delete.
        * gcc/config/sh/sh.h (LEGITIMIZE_ADDRESS): Delete.
        * gcc/config/avr/avr.h (LEGITIMIZE_ADDRESS): Delete.
        * gcc/config/m68hc11/m68hc11.h (LEGITIMIZE_ADDRESS): Delete.
        * gcc/config/iq2000/iq2000.h (LEGITIMIZE_ADDRESS): Delete.
        * gcc/config/mn10300/mn10300.h (LEGITIMIZE_ADDRESS): Delete.
        * gcc/config/m68k/m68k.h (LEGITIMIZE_ADDRESS): Delete.
        * gcc/config/score/score.h (LEGITIMIZE_ADDRESS): Delete.
        * gcc/config/pa/pa.h (LEGITIMIZE_ADDRESS): Delete.
        * gcc/config/mips/mips.h (LEGITIMIZE_ADDRESS): Delete.
        * gcc/config/alpha/alpha.h (LEGITIMIZE_ADDRESS): Delete.
        * gcc/config/frv/frv.h (LEGITIMIZE_ADDRESS): Delete.
        * gcc/config/spu/spu.h (LEGITIMIZE_ADDRESS): Delete.
        * gcc/config/xtensa/xtensa.h (LEGITIMIZE_ADDRESS): Delete.
        * gcc/config/cris/cris.h (LEGITIMIZE_ADDRESS): Delete.
        * gcc/config/rs6000/rs6000.h (LEGITIMIZE_ADDRESS): Delete.
        * gcc/config/picochip/picochip.h (LEGITIMIZE_ADDRESS): Delete.

        * gcc/config/s390/s390-protos.h (legitimize_address): Delete.
        * gcc/config/m32c/m32c-protos.h (m32c_legitimize_address): Delete.
        * gcc/config/sparc/sparc-protos.h (legitimize_address): Delete.
        * gcc/config/i386/i386-protos.h (legitimize_address): Delete.
        * gcc/config/avr/avr-protos.h (legitimize_address): Delete.
        * gcc/config/mn10300/mn10300-protos.h (legitimize_address): Delete.
        * gcc/config/score/score-protos.h (score_legitimize_address): Delete.
        * gcc/config/arm/arm-protos.h (arm_legitimize_address,
        (thumb_legitimize_address): Delete.
        * gcc/config/pa/pa-protos.h (hppa_legitimize_address): Delete.
        * gcc/config/mips/mips-protos.h (mips_legitimize_address): Delete.
        * gcc/config/alpha/alpha-protos.h (alpha_legitimize_address): Delete.
        * gcc/config/frv/frv-protos.h (frv_legitimize_address): Delete.
        * gcc/config/spu/spu-protos.h (spu_legitimize_address): Delete.
        * gcc/config/xtensa/xtensa-protos.h (xtensa_legitimize_address):
        Delete.
        * gcc/config/rs6000/rs6000-protos.h (rs6000_legitimize_address):
        Delete.

        * config/arm/arm.c (arm_legitimize_address): Maybe call Thumb version.
        * config/m32c/m32c.c (m32c_legitimize_address): Standardize.
        * config/m32r/m32r.c (m32r_legitimize_address): New.
        * config/m68k/m68k.c (m68k_legitimize_address): New.
        * config/score/score.c (score_legitimize_address): Standardize.
        * config/score/score3.c (score3_legitimize_address): Standardize.
        * config/score/score3.h (score3_legitimize_address): Adjust.
        * config/score/score7.c (score7_legitimize_address): Standardize.
        * config/score/score7.h (score7_legitimize_address): Adjust.
        * config/sh/sh.c (sh_legitimize_address): New.
        * config/iq2000/iq2000.c (iq2000_legitimize_address): New.

        * gcc/config/s390/s390.c (legitimize_address): Rename to...
        (s390_legitimize_address): ... this.
        * gcc/config/sparc/sparc.c (legitimize_address): Rename to...
        (sparc_legitimize_address): ... this.
        * gcc/config/i386/i386.c (legitimize_address): Rename to...
        (ix86_legitimize_address): ... this.
        * gcc/config/avr/avr.c (legitimize_address): Rename to...
        (avr_legitimize_address): ... this.
        * gcc/config/mn10300/mn10300.c (legitimize_address): Rename to...
        (mn10300_legitimize_address): ... this.
        * config/alpha/alpha.c (alpha_legitimize_address): Wrap...
        (alpha_legitimize_address_1): ... the old alpha_legitimize_address.
        (alpha_expand_mov): Adjust call.

        * config/frv/frv.c (frv_legitimize_address): Return x on failure.
        * config/spu/spu.c (spu_legitimize_address): Likewise.
        * config/xtensa/xtensa.c (xtensa_legitimize_address): Likewise.
        * config/rs6000/rs6000.c (rs6000_legitimize_address): Likewise.

2009-05-04  Joseph Myers  <joseph@codesourcery.com>

        * intl.c (locale_encoding, locale_utf8): New.
        (gcc_init_libintl): Initialize locale_encoding and locale_utf8.
        * intl.h (locale_encoding, locale_utf8): Declare.
        * pretty-print.c: Include ggc.h.  Include iconv.h if HAVE_ICONV.
        (pp_base_tree_identifier, decode_utf8_char, identifier_to_locale):
        New.
        * pretty-print.h (pp_identifier): Call identifier_to_locale on ID
        argument.
        (pp_tree_identifier): Define to call pp_base_tree_identifier.
        (pp_base_tree_identifier): Declare as function.
        (identifier_to_locale): Declare.
        * Makefile.in (pretty-print.o): Update dependencies.
        * varasm.c (finish_aliases_1): Use %qE for identifiers in diagnostics.

2009-05-04  Richard Guenther  <rguenther@suse.de>

        PR middle-end/40015
        * builtins.c (fold_builtin_memory_op): Do not decay to element
        type if the size matches the whole array.

2009-05-04  Kazu Hirata  <kazu@codesourcery.com>

        * expmed.c (synth_mult): When trying out a shift, pass the result
        of a signed shift.

2009-05-04  Kazu Hirata  <kazu@codesourcery.com>

        * expmed.c (shiftsub_cost): Rename to shiftsub0_cost.
        (shiftsub1_cost): New.
        (init_expmed): Compute shiftsub1_cost.
        (synth_mult): Optimize multiplications by constants of the form
        -(2^^m-1) for some constant positive integer m.

2009-05-03  Richard Guenther  <rguenther@suse.de>

        PR c/39983
        * c-typeck.c (array_to_pointer_conversion): Do not built
        ADDR_EXPRs of arrays of pointer-to-element type.
        * c-gimplify.c (c_gimplify_expr): Revert change fixing
        up wrong ADDR_EXPRs after-the-fact.
        * c-common.c (strict_aliasing_warning): Strip pointer
        conversions for obtaining the original type.
        * builtins.c (fold_builtin_memset): Handle array types.
        (fold_builtin_memory_op): Handle folded POINTER_PLUS_EXPRs
        and array types

2009-05-03  Richard Guenther  <rguenther@suse.de>

        PR middle-end/23329
        * tree-ssa.c (useless_type_conversion_p_1): Use get_deref_alias_set.
        Do not lose casts from array types with unknown extent to array
        types with known extent.
        * tree-ssa-copy.c (may_propagate_copy): Remove hack checking for
        alias set compatibility.

2009-05-03  Manuel López-Ibáñez  <manu@gcc.gnu.org>

        * flags.h (extra_warnings): Delete.
        * toplev.c (process_options): Handle Wuninitialized here.
        * opts.c (extra_warnings): Delete.
        (set_Wextra): Delete.
        (common_handle_option): -Wextra can be handled automatically.
        * c-opts.c (c_common_handle_option): Delete obsolete code.
        (c_common_post_options): Simplify comment.
        * common.opt (W): Add Var.
        (Wextra): Add Var.
        (Wuninitialized): Initialize to -1.

2009-05-03  Adam Nemet  <anemet@caviumnetworks.com>
            Richard Guenther  <rguenther@suse.de>

        * expr.c (get_def_for_expr): New function.
        (expand_expr_real_1) <PLUS_EXPR, MINUS_EXPR>: Adjust to work with
        SSA rather than trees.
        <MULT_EXPR>: Likewise.  Use subexp0 and subexp1 instead of
        TREE_OPERAND (exp, 0) and TREE_OPERAND (exp, 1).

2009-05-03  Joseph Myers  <joseph@codesourcery.com>

        * c-common.c (reswords): Add _Imaginary.
        * c-common.c (enum rid): Add RID_IMAGINARY.

2009-05-03  Paolo Bonzini  <bonzini@gnu.org>

        * tree.h (TYPE_VECTOR_OPAQUE): Fix documentation.
        Patch by Richard Guenther.

2009-05-03  Anatoly Sokolov  <aesok@post.ru>

        * defaults.h (FRAME_POINTER_REQUIRED): Provide default.
        * doc/tm.texi (FRAME_POINTER_REQUIRED): Revise documentation.
        * config/alpha/alpha.h (FRAME_POINTER_REQUIRED): Delete.
        * config/s390/s390.h (FRAME_POINTER_REQUIRED): Delete.
        * config/spu/spu.h (FRAME_POINTER_REQUIRED): Delete.
        * config/sh/sh.h (FRAME_POINTER_REQUIRED): Delete.
        * config/pdp11/pdp11.h (FRAME_POINTER_REQUIRED): Delete.
        * config/stormy16/stormy16.h (FRAME_POINTER_REQUIRED): Delete.
        * config/m68hc11/m68hc11.h (FRAME_POINTER_REQUIRED): Delete.
        * config/iq2000/iq2000.h (FRAME_POINTER_REQUIRED): Delete.
        * config/mn10300/mn10300.h (FRAME_POINTER_REQUIRED): Delete.
        * config/ia64/ia64.h (FRAME_POINTER_REQUIRED): Delete.
        * config/m68k/m68k.h (FRAME_POINTER_REQUIRED): Delete.
        * config/rs6000/rs6000.h (FRAME_POINTER_REQUIRED): Delete.
        * config/picochip/picochip.h (FRAME_POINTER_REQUIRED): Delete.
        * config/mcore/mcore.h (FRAME_POINTER_REQUIRED): Delete.
        * config/h8300/h8300.h (FRAME_POINTER_REQUIRED): Delete.
        * config/v850/v850.h (FRAME_POINTER_REQUIRED): Delete.

2009-05-02  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/39940
        * tree-ssa-pre.c (eliminate): Make sure we may propagate before
        doing so.

2009-05-02  Richard Guenther  <rguenther@suse.de>

        PR middle-end/40001
        * tree-ssa.c (execute_update_addresses_taken): Properly check
        if we can mark a variable DECL_GIMPLE_REG_P.
        * gimple.c (is_gimple_reg): Re-order check for DECL_GIMPLE_REG_P
        back to the end of the function.
        (is_gimple_reg_type): Remove complex type special casing.
        * gimplify.c (gimplify_bind_expr): Do not set DECL_GIMPLE_REG_P
        if not optimizing.

2009-05-02  Ben Elliston  <bje@au.ibm.com>

        * doc/collect2.texi (Collect2): Document search path behaviour
        when configured with --with-ld.

2009-05-02  Jan Hubicka  <jh@suse.cz>

        * tree-ssa-coalesce.c (coalesce_cost): Do not take ciritical
        parameter; update callers.
        (coalesce_cost_edge): EH edges are costier because they needs
        splitting even if not critical and even more costier when there are
        multiple EH predecestors.

2009-05-02  Jan Hubicka  <jh@suse.cz>

        * except.c (remove_eh_handler_and_replace): Handle updating after
        removing TRY blocks.

2009-05-02  Eric Botcazou  <ebotcazou@adacore.com>

        * store-motion.c (compute_store_table): Add ENABLE_CHECKING guard.

2009-05-02  Steven Bosscher  <steven@gcc.gnu.org>

        * varasm.c: Do not include c-pragma.h.
        * attribs.c: Do not incude c-common.h.

2009-05-01  Michael Matz  <matz@suse.de>

        * calls.c (initialize_argument_information): Handle SSA names like
        decls with a non MEM_P DECL_RTL.

2009-05-01  Steven Bosscher  <steven@gcc.gnu.org>

        * ipa-reference.c: Do not include c-common.h, include splay-tree.h.
        * ipa-utils.c: Likewise.
        * ipa-type-escape.c: Likewise.
        * cgraphunit.c Do not include c-common.h.
        * ipa-pure-const.c: Likewise.
        * tree-if-conv.c: Likewise.
        * matrix-reorg.c: Do not include c-common.h and c-tree.h.
        * ipa-struct-reorg.c: Likewise.
        * tree-nomudflap.c: Likewise.
        * tree-ssa-structalias.c: Likewise.

2009-05-01  Steven Bosscher  <steven@gcc.gnu.org>

        * store-motion.c: Many cleanups to make this pass a first-class
        citizen instead of an appendix to gcse load motion.  Add TODO list
        to make this pass faster/cleaner/better.

        (struct ls_expr): Post gcse.c-split cleanups.
        Rename to st_expr.  Rename "loads" field to "antic_stores".  Rename
        "stores" field to "avail_stores".
        (pre_ldst_mems): Rename to store_motion_mems.
        (pre_ldst_table): Rename to store_motion_mems_table.
        (pre_ldst_expr_hash): Rename to pre_st_expr_hash, update users.
        (pre_ldst_expr_eq): Rename to pre_st_expr_eq, update users.
        (ldst_entry): Rename to st_expr_entry, update users.
        (free_ldst_entry): Rename to free_st_expr_entry, update users.
        (free_ldst_mems): Rename to free_store_motion_mems, update users.
        (enumerate_ldsts): Rename to enumerate_store_motion_mems,
        update caller.
        (first_ls_expr): Rename to first_st_expr, update users.
        (next_ls_expr): Rename to next_st_expr, update users.
        (print_ldst_list): Rename to print_store_motion_mems.  Print names of
        fields properly for store motion instead of names inherited from load
        motion in gcse.c.
        (ANTIC_STORE_LIST, AVAIL_STORE_LIST): Remove.
        (LAST_AVAIL_CHECK_FAILURE): Explain what this is.  Undefine when we
        are done with it.

        (ae_kill): Rename to st_kill, update users.
        (ae_gen): Rename to st_avloc, update users.
        (transp): Rename to st_transp, update users.
        (pre_insert_map): Rename to st_insert_map, update users.
        (pre_delete_map): Rename to st_delete_map, update users.
        (insert_store, build_store_vectors, free_store_memory,
        one_store_motion_pass): Update for abovementioned changes.

        (gcse_subst_count, gcse_create_count): Remove.
        (one_store_motion_pass): New statistics counters "n_stores_deleted"
        and "n_stores_created", local variables.

        (extract_mentioned_regs, extract_mentioned_regs_1): Rewrite to
        use for_each_rtx.

        (regvec, compute_store_table_current_insn): Remove.
        (reg_set_info, reg_clear_last_set): Remove.
        (compute_store_table): Use DF caches instead of local dataflow
        solvers.

2009-05-01  Joseph Myers  <joseph@codesourcery.com>

        * c-objc-common.c (c_tree_printer): Print identifiers with
        pp_identifier, not pp_string.  Mark "({anonymous})" for
        translation.
        * c-pretty-print.c (pp_c_ws_string): New.
        (pp_c_cv_qualifier, pp_c_type_specifier,
        pp_c_specifier_qualifier_list, pp_c_parameter_type_list,
        pp_c_storage_class_specifier, pp_c_function_specifier,
        pp_c_attributes, pp_c_bool_constant, pp_c_constant,
        pp_c_primary_expression, pp_c_postfix_expression,
        pp_c_unary_expression, pp_c_shift_expression,
        pp_c_relational_expression, pp_c_equality_expression,
        pp_c_logical_and_expression, pp_c_logical_or_expression): Mostly
        use pp_string and pp_c_ws_string in place of pp_identifier and
        pp_c_identifier for non-identifiers.  Mark English strings for
        translation.
        * c-pretty-print.h (pp_c_ws_string): Declare.

2009-04-30  Paul Pluzhnikov  <ppluzhnikov@google.com>
            Roland McGrath <roland@redhat.com>

        * configure.ac (HAVE_LD_BUILDID): New check for ld --build-id support.
        (ENABLE_LD_BUILDID): New configuration option.
        * gcc.c [HAVE_LD_BUILDID and ENABLE_LD_BUILDID]
        (LINK_BUILDID_SPEC): New macro.
        (init_spec): If defined, prepend it between LINK_EH_SPEC and
        link_spec.
        * doc/install.texi: Document --enable-linker-build-id option.
        * configure: Rebuild.
        * config.in: Rebuild.

2009-04-30  Adam Nemet  <anemet@caviumnetworks.com>

        * config/mips/mips.h (FRAME_GROWS_DOWNWARD,
        MIPS_GP_SAVE_AREA_SIZE): Define new macros.
        (STARTING_FRAME_OFFSET): Return 0 if FRAME_GROWS_DOWNWARD.  Use
        MIPS_GP_SAVE_AREA_SIZE.
        * config/mips/mips.c (struct mips_frame_info): Update comment
        before arg_pointer_offset and hard_frame_pointer_offset.
        (mips_compute_frame_info): Update diagram before function: to
        correctly use stack_pointer_rtx for fp_sp_offset and gp_sp_offset, to
        indicate the position of frame_pointer_rtx with -fstack-protector and
        to show args_size.  Don't allocate cprestore area for leaf functions
        if FRAME_GROWS_DOWNWARD.  Use MIPS_GP_SAVE_AREA_SIZE to set
        cprestore_size.
        (mips_initial_elimination_offset): Update for FRAME_GROWS_DOWNWARD.

2009-04-30  Michael Matz  <matz@suse.de>

        PR tree-optimization/39955
        * config/rs6000/rs6000.c (rs6000_check_sdmode): Also check SSA_NAMEs.

2009-04-30  Dave Korn  <dave.korn.cygwin@gmail.com>

        * ira.c (setup_cover_and_important_classes):  Use safe macro
        REG_CLASS_FOR_CONSTRAINT instead of calling regclass_for_constraint
        directly.
        * genpreds.c (write_tm_preds_h):  Output suitable definition of
        REG_CLASS_FOR_CONSTRAINT.

2009-04-30  Rafael Avila de Espindola  <espindola@google.com>

        * alloc-pool.c (alloc_pool_descriptor): Use an insert_opion value
        instead of an int.
        * bitmap.c (bitmap_descriptor): Likewise.
        * ggc-common.c (loc_descriptor): Likewise.
        * varray.c (varray_descriptor): Likewise.
        * vec.c (vec_descriptor): Likewise.

2009-04-30  Eric Botcazou  <ebotcazou@adacore.com>

        * Makefile.in (dce.o): Add $(EXCEPT_H).
        * dce.c: Include except.h and delete redundant vector definitions.
        (deletable_insn_p): Return false for non-call insns that can throw
        if DF is running.

2009-04-30  Steven Bosscher  <steven@gcc.gnu.org>

        * gcse.c (ae_gen): Remove.
        (can_assign_to_reg_p): Rename to can_assign_to_reg_without_clobbers_p
        and make non-static function to make it available in store-motion.c.
        Update call sites with search-and-replace.
        (enumerate_ldsts, reg_set_info, reg_clear_last_set, store_ops_ok,
        extract_mentioned_regs, extract_mentioned_regs_helper,
        find_moveable_store, compute_store_table, load_kills_store, find_loads,
        store_killed_in_insn, store_killed_after, store_killed_before,
        build_store_vectors, insert_insn_start_basic_block, insert-store,
        remove_reachable_equiv_notes, replace_store_insn, delete_store,
        free_store_memory, one_store_motion_pass, gate_rtl_store_motion,
        execute_rtl_store_motion, pass_rtl_store_motion): Move to...
        * store-motion.c: ...new file.  Also copy data structures from gcse.c
        and clean up to remove parts not used by store motion.
        * rtl.h (can_assign_to_reg_without_clobbers_p): Add prototype.
        * Makefile.in (store-motion.o): New rule. Add to OBJS-common.

2009-04-30  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>

        PR target/38571
        * config/arm/arm.h (FUNCTION_BOUNDARY): Set to 16 for thumb
        when optimizing for size.

2009-04-30  Hans-Peter Nilsson  <hp@axis.com>

        * gcse.c (gcse_constant_p): Fix typo in last change.

2009-04-30  Rafael Avila de Espindola  <espindola@google.com>

        * plugin.c: Include plugin-version.h only if ENABLE_PLUGIN is defined.

2009-04-30  Andreas Krebbel  <krebbel1@de.ibm.com>

        * gcse.c (gcse_constant_p): Make sure the constant is sharable.

2009-04-29  James E. Wilson  <wilson@codesourcery.com>

        * config/mips/mips.c (mips_add_offset): Use gen_int_mode for
        CONST_HIGH_PART result.

2009-04-29  Anatoly Sokolov  <aesok@post.ru>

        * config/avr/avr.c (initial_elimination_offset): Rename to
        avr_initial_elimination_offset.
        (frame_pointer_required_p): Rename to avr_frame_pointer_required_p,
        change return type to bool.
        (avr_can_eliminate): New function.
        * config/avr/avr.h (CAN_ELIMINATE): Use avr_can_eliminate.
        (FRAME_POINTER_REQUIRED): Use avr_frame_pointer_required_p.
        (INITIAL_ELIMINATION_OFFSET): Use avr_initial_elimination_offset.
        * config/avr/avr-protos.h (initial_elimination_offset): Rename to
        avr_initial_elimination_offset.
        (frame_pointer_required_p): Rename to avr_frame_pointer_required_p.
        (avr_initial_elimination_offset): Define.

2009-04-29  Eric Botcazou  <ebotcazou@adacore.com>
            Steven Bosscher  <steven@gcc.gnu.org>

        PR rtl-optimization/39938
        * Makefile.in (cfgrtl.o): Add $(INSN_ATTR_H).
        * cfgrtl.c: Include insn-attr.h.
        (rest_of_pass_free_cfg): New function.
        (pass_free_cfg): Use rest_of_pass_free_cfg as execute function.
        * resource.c (init_resource_info): Remove call to df_analyze.

2009-04-29  Richard Guenther  <rguenther@suse.de>

        PR target/39943
        * config/i386/i386.c (ix86_vectorize_builtin_conversion): Only
        allow conversion to signed integers.

2009-04-29  Richard Guenther  <rguenther@suse.de>

        * tree-cfg.c (verify_gimple_assign_binary): Allow vector
        shifts of floating point vectors if the shift amount is
        a constant multiple of the element size.

2009-04-29  Andreas Krebbel  <krebbel1@de.ibm.com>
            Michael Matz  <matz@suse.de>

        PR middle-end/39927
        PR bootstrap/39929
        * tree-outof-ssa.c (emit_partition_copy): New function.
        (insert_partition_copy_on_edge, insert_rtx_to_part_on_edge,
        insert_part_to_rtx_on_edge): Perform the partition base var
        copy using emit_partition_copy.
        (insert_value_copy_on_edge): Convert constants to the right mode.
        (insert_rtx_to_part_on_edge): Add UNSIGNEDSRCP parameter.
        (elim_create): Pass the sign of the src to insert_rtx_to_part_on_edge.

2009-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>

        * config/bfin/bfin.c (bfin_optimize_loop): If we need a scratch reg,
        scan backwards to try to find a constant to initialize it.

        * config/bfin/bfin.c (bfin_optimize_loop): When looking for the last
        insn before the loop_end instruction, don't look past labels.

2009-04-29  Richard Guenther  <rguenther@suse.de>

        PR middle-end/39937
        * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
        loose type conversions.
        (forward_propagate_addr_expr): Fix tuplification bug.  Remove
        stmts only if there are no uses of its definition.

2009-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>

        * config/bfin/bfin.h (splitting_loops): Declare.
        * config/bfin/bfin-protos.h (WA_05000257, WA_05000283, WA_05000315):
        Reorder bit definitions to be ascending.
        (WA_LOAD_LCREGS, ENABLE_WA_LOAD_LCREGS): New macros.
        * config/bfin/bfin.c (splitting_loops): New variable.
        (bfin_cpus): Add WA_LOAD_LCREGS as needed.
        (struct loop_info): Remove members INIT and LOOP_INIT.
        (bfin_optimize_loop): Don't set them.  Reorder the code that generates
        the LSETUP sequence.  Allow LC to be loaded from any register, but
        also add a case to push/pop a PREG scratch if ENABLE_WA_LOAD_LCREGS.
        (bfin_reorg_loops): When done, split all BB_ENDs with splitting_loops
        set to 1.
        * config/bfin/bfin.md (loop_end splitter): Use splitting_loops instead
        of reload_completed.

        From Jie Zhang:
        * config/bfin/bfin.md (movsi_insn): Refine constraints.

2009-04-29  Rafael Avila de Espindola  <espindola@google.com>

        * Makefile.in (PLUGIN_VERSION_H): New.
        (OBJS-common): Remove plugin-version.o.
        (plugin.o): Depend on (PLUGIN_VERSION_H).
        (plugin-version.o): Remove.
        * configure: Regenerate
        * configure.ac: Create plugin-version.h.
        * gcc-plugin.h (plugin_gcc_version): Remove.
        (plugin_default_version_check): Change signature.
        * plugin-version.c: Remove.
        * plugin.c: Include plugin-version.h.
        (str_plugin_gcc_version_name): Remove.
        (try_init_one_plugin): Pass gcc version to plugin_init.
        (plugin_default_version_check): Both gcc and plugin versions are now
        arguments.

2009-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>

        * config/bfin/bfin.c (bfin_optimize_loop): Unify handling of
        problematic last insns.  Test for TYPE_CALL rather than CALL_P.
        Remove special case testing for last insn of inner loops. Don't fail
        if the loop ends with a jump, emit an extra nop instead.

        * config/bfin/bfin.c (bfin_register_move_cost): Test for subsets of
        DREGS rather than comparing directly.  Remove code that tries to
        account for latencies.

2009-04-29  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/39941
        * tree-ssa-pre.c (eliminate): Schedule update-ssa after
        eliminating an indirect call.

2009-04-29  Richard Guenther  <rguenther@suse.de>

        * tree-cfg.c (verify_types_in_gimple_reference): Add require_lvalue
        parameter.  Allow invariants as base if !require_lvalue.
        (verify_gimple_assign_single): Adjust.

2009-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>

        * config/bfin/bfin.md (sp_or_sm, spm_string, spm_name): New macro.
        (ss<spm_name>hi3, ss<spm_name>hi3_parts, ss<spm_name>hi3_low_parts,
        ss<spm_name_hi3_high_parts): New patterns, replacing ssaddhi3,
        ssubhi3, ssaddhi3_parts and sssubhi3_parts.
        (flag_mulhi3_parts): Produce a HImode output rather than trying to set
        a VEC_SELECT.
        * config/bfin/bfin.c (bfin_expand_builtin,
        case BFIN_BUILTIN_CPLX_SQU): Adjust accordingly.

2009-04-28  Richard Guenther  <rguenther@suse.de>

        * tree-vect-loop.c (get_initial_def_for_induction): Use
        correct types for pointer increment.

2009-04-29  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * toplev.c (print_version): Update GMP version string calculation.

2009-04-28  Eric Botcazou  <ebotcazou@adacore.com>

        PR rtl-optimization/39938
        * resource.c (init_resource_info): Add call to df_analyze.

2009-04-28  Uros Bizjak  <ubizjak@gmail.com>

        * config/alpha/alpha.md (usegp): Cast the result of
        alpha_find_lo_sum_using_gp to enum attr_usegp.
        * config/alpha/alpha.c (override_options): Remove end-of-structure
        marker element from cpu_table.  Use array size of cpu_table to handle
        -mcpu and -mtune options.
        (tls_symbolic_operand_type): Change 0 to TLS_MODEL_NONE.

2009-04-28  Joseph Myers  <joseph@codesourcery.com>

        * config.gcc (powerpc*-*-* | rs6000-*-*): Add
        rs6000/option-defaults.h to tm_file.  Support cpu_32, cpu_64,
        tune_32 and tune_64.
        * doc/install.texi (--with-cpu-32, --with-cpu-64): Document
        support on PowerPC.
        * config/rs6000/rs6000.h (OPTION_DEFAULT_SPECS): Move to ...
        * config/rs6000/option-defaults.h: ... here.  New file.
        (OPT_64, OPT_32): Define.
        (MASK_64BIT): Define to 0 if not already defined.
        (OPT_ARCH64, OPT_ARCH32): Define.
        (OPTION_DEFAULT_SPECS): Add entries for cpu_32, cpu_64, tune_32
        and tune_64.

2009-04-28  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>

        * config/arm/arm.c (arm_override_options): Emit error on using
        fpa with AAPCS.

2009-04-28  Uros Bizjak  <ubizjak@gmail.com>

        PR rtl-optimization/39914
        * ira-conflicts.c (ira_build_conflicts): Prohibit call used
        registers for allocnos created from user-defined variables only
        when not optimizing.

2009-04-28  Richard Guenther  <rguenther@suse.de>

        PR middle-end/39937
        * fold-const.c (fold_binary): Use distribute_real_division only
        on float types.

2009-04-28  Steve Ellcey  <sje@cup.hp.com>

        * config.gcc (hppa*64*-*-hpux11*): Set use_gcc_stdint and
        add hpux-stdint.h to tm_file.
        (hppa[12]*-*-hpux11*): Ditto.
        (ia64*-*-hpux*): Ditto.
        * config/hpux-stdint.h: New.
        * config/ia64/hpux.h (TARGET_OS_CPP_BUILTINS): Set
        __STDC_EXT__ for all compiles.
        * config/pa/pa-hpux.h: Ditto.
        * config/pa/pa-hpux10.h: Ditto.
        * config/pa/pa-hpux11.h: Ditto.

2009-04-28  Catherine Moore  <clm@codesourcery.com>

        * debug.h (set_name): Add comment.

2009-04-28  Andrew Pinski  <pinskia@gmail.com>

        PR target/39929
        * config/darwin.c (machopic_gen_offset): Check
        currently_expanding_to_rtl if current_ir_type returns IR_GIMPLE.
        * config/arm/arm.c (require_pic_register): Likewise.

2009-04-28  Paolo Bonzini  <bonzini@gnu.org>

        * config/m32c/m32c.c (TARGET_PROMOTE_FUNCTION_RETURN,
        m32c_promote_function_return, TARGET_PROMOTE_PROTOTYPES,
        m32c_promote_prototypes): Delete.

2009-04-28  Michael Matz  <matz@suse.de>

        PR middle-end/39922
        * tree-outof-ssa.c (insert_value_copy_on_edge): Don't convert
        constants.

2009-04-28  Richard Guenther  <rguenther@suse.de>

        * tree-vect-stmts.c (vect_get_vec_def_for_operand): Fix type error.

2009-04-28  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>

        * config/arm/arm-cores.def: Add support for arm1156t2f-s.
        * doc/invoke.texi (ARM Options): Document support for arm1156t2f-s.
        * config/arm/arm-tune.md: Regenerate.

2009-04-28  Alexander Monakov  <amonakov@ispras.ru>

        * sel-sched-ir.c (maybe_tidy_empty_bb): Do not attempt to delete a
        block if there are complex incoming edges.
        (sel_merge_blocks): Remove useless assert.
        (sel_redirect_edge_and_branch): Check that edge was redirected.
        * sel-sched-ir.h (_eligible_successor_edge_p): Remove assert.
        (sel_find_rgns): Delete declaration.
        * sel-sched.c (purge_empty_blocks): Attempt to remove first block of
        the region when it is not a preheader.

2009-04-28  Uros Bizjak  <ubizjak@gmail.com>

        PR c/39323
        * config/alpha/elf.h (MAX_OFILE_ALIGNMENT): Sync with elfos.h

2009-04-28  Richard Guenther  <rguenther@suse.de>

        * tree.h (SSA_NAME_VALUE): Remove.
        (struct tree_ssa_name): Remove value_handle member.
        * tree-vrp.c (execute_vrp): Initialize/free the value-handle
        array for jump threading.
        * tree-ssa-propagate.c (ssa_prop_init): Do not initialize
        SSA_NAME_VALUEs.
        * print-tree.c (print_node): Do not dump SSA_NAME_VALUEs.
        * tree-flow.h (threadedge_initialize_values): Declare.
        (threadedge_finalize_values): Likewise.
        * tree-ssa-threadedge.c (ssa_name_values): New global variable.
        (SSA_NAME_VALUE): Define.
        (threadedge_initialize_values): New function.
        (threadedge_finalize_values): Likewise.
        * tree-ssa-dom.c (ssa_name_values): New global variable.
        (SSA_NAME_VALUE): Define.
        (tree_ssa_dominator_optimize): Initialize/free the value-handle array.

2009-04-28  Ira Rosen  <irar@il.ibm.com>

        * tree-vect-loop-manip.c (vect_create_cond_for_alias_checks):
        Use REPORT_VECTORIZED_LOCATIONS instead
        REPORT_VECTORIZED_LOOPS.
        * tree-vectorizer.c (vect_verbosity_level): Make static.
        (vect_loop_location): Rename to vect_location.
        (vect_set_verbosity_level): Update comment.
        (vect_set_dump_settings): Use REPORT_VECTORIZED_LOCATIONS
        and vect_location.
        (vectorize_loops): Fix comment. Use REPORT_VECTORIZED_LOCATIONS
        and vect_location. Use REPORT_UNVECTORIZED_LOCATIONS
        instead REPORT_UNVECTORIZED_LOOPS.
        * tree-vectorizer.h (enum vect_def_type): Rename vect_invariant_def
        and vect_loop_def to vect_external_def and vect_internal_def.
        (enum verbosity_levels): Rename REPORT_VECTORIZED_LOOPS
        and REPORT_UNVECTORIZED_LOOPS to REPORT_VECTORIZED_LOCATIONS and
        REPORT_UNVECTORIZED_LOCATIONS.
        (enum vect_relevant): Update comment. Rename vect_unused_in_loop
        and vect_used_in_loop and to vect_unused_in_scope and
        vect_used_in_scope.
        (STMT_VINFO_RELEVANT_P): Use vect_unused_in_scope.
        (vect_verbosity_level): Remove declaration.
        (vect_analyze_operations): Likewise.
        (vect_analyze_stmt): Declare.
        * tree-vect-loop.c (vect_determine_vectorization_factor): Use
        REPORT_UNVECTORIZED_LOCATIONS.
        (vect_get_loop_niters): Fix indentation.
        (vect_analyze_loop_form): Use REPORT_UNVECTORIZED_LOCATIONS.
        (vect_analyze_loop_operations): New function.
        (vect_analyze_loop): Call vect_analyze_loop_operations instead of
        vect_analyze_operations.
        (vect_is_simple_reduction): Use new names.
        (vectorizable_live_operation, vect_transform_loop): Likewise.
        * tree-vect-data-refs.c (vect_check_interleaving): Add a return value
        to specify whether the data references can be a part of interleaving
        chain.
        (vect_analyze_data_ref_dependence): Use new names.
        (vect_analyze_data_refs_alignment, vect_analyze_data_refs): Likewise.
        (vect_create_addr_base_for_vector_ref): Remove redundant code.
        * tree-vect-patterns.c (widened_name_p): Use new names.
        (vect_recog_dot_prod_pattern): Likewise.
        * tree-vect-stmts.c (vect_stmt_relevant_p): Use new names.
        (process_use, vect_mark_stmts_to_be_vectorized,
        vect_model_simple_cost, vect_model_store_cost,
        vect_get_vec_def_for_operand, vect_get_vec_def_for_stmt_copy,
        vectorizable_call, vectorizable_conversion, vectorizable_assignment,
        vectorizable_operation, vectorizable_type_demotion,
        vectorizable_type_promotion, vectorizable_store, vectorizable_load,
        vectorizable_condition): Likewise.
        (vect_analyze_operations): Split into vect_analyze_loop_operations
        and ...
        (vect_analyze_stmt): ... new function.
        (new_stmt_vec_info): Use new names.
        (vect_is_simple_use): Use new names and fix comment.
        * tree-vect-slp.c (vect_get_and_check_slp_defs): Use new names.
        (vect_build_slp_tree, vect_analyze_slp, vect_schedule_slp): Likewise.

2009-04-28  Uros Bizjak  <ubizjak@gmail.com>

        PR target/39911
        * config/i386/i386.c (print_operand) ['Z']: Handle floating point
        and integer modes for x87 operands.  Do not ICE for unsupported size,
        generate error instead.  Generate error for unsupported operand types.
        ['z']: Do not handle HImode memory operands specially.  Warning
        for floating-point operands.  Fallthru to 'Z' for unsupported operand
        types.  Do not ICE for unsupported size, generate error instead.
        (output_387_binary_op): Use %Z to output operands.
        (output_fp_compare): Ditto.
        (output_387_reg_move): Ditto.

2009-04-28  Ben Elliston  <bje@au.ibm.com>

        PR c++/35652
        Revert:

        2009-03-27  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>

        * builtins.c (c_strlen): Do not warn here.
        * c-typeck.c (build_binary_op): Adjust calls to pointer_int_sum.
        * c-common.c (pointer_int_sum): Take an explicit location.
        Warn about offsets out of bounds.
        * c-common.h (pointer_int_sum): Adjust declaration.

2009-04-27  Ian Lance Taylor  <iant@google.com>

        * collect2.c (is_ctor_dtor): Change type of ret field in struct
        names to symkind.
        * dce.c (run_fast_df_dce): Change type of old_flags to int.
        * df-core.c (df_set_flags): Change return type to int.  Change
        type of old_flags to int.
        (df_clear_flags): Likewise.
        * df-scan.c (df_def_record_1): Change 0 to VOIDmode.
        (df_get_conditional_uses): Likewise.
        * df.h (df_set_flags, df_clear_flags): Update declarations.
        * dwarf2out.c (struct indirect_string_node): Change type of form
        field to enum dwarf_form.
        (AT_string_form): Change return type to enum dwarf_form.
        * fixed-value.c (fixed_compare): Add cast to enum type.
        * fwprop.c (update_df): Change 0 to VOIDmode.
        * gensupport.c: Change 0 to UNKNOWN.
        * gimple.h (gimple_cond_code): Add cast to enum type.
        * haifa-sched.c (reemit_notes): Add cast to enum type.
        * hooks.c (hook_int_void_no_regs): Remove function.
        * hooks.h (hook_int_void_no_regs): Remove declaration.
        * optabs.c (expand_widen_pattern_expr): Change 0 to VOIDmode.
        * predict.c (combine_predictions_for_insn): Add casts to enum type.
        * real.c (real_arithmetic): Add cast to enum type.
        (real_compare): Likewise.
        * target.h (struct gcc_target): Change return type of
        branch_target_register_class to enum reg_class.
        * target-def.h (TARGET_BRANCH_TARGET_REGISTER_CLASS): Define as
        default_branch_target_register_class.
        * targhooks.c (default_branch_target_register_class): New function.
        * targhooks.h (default_branch_target_register_class): Declare.
        * tree-data-ref.c (print_direction_vector): Add cast to enum type.
        * tree-vect-data-refs.c (vect_supportable_dr_alignment): Remove
        cast to int.
        * tree-vect-loop.c (vect_create_epilog_for_reduction): Change 0 to
        ERROR_MARK.
        * tree-vect-slp.c (vect_build_slp_tree): Change 0 to
        vect_uninitialized_def.  Change 0 to ERROR_MARK.
        * tree-vect-stmts.c (supportable_widening_operation): Don't
        initialize icode1 and icode2.
        * tree-vectorizer.h (enum vect_def_type): Add vect_uninitialized_def.
        * config/sol2-c.c (cmn_err_length_specs): Change 0 to FMT_LEN_none
        and to STD_C89.
        (cmn_err_flag_specs): Change 0 to STD_C89.
        (cmn_err_char_table): Likewise.
        * config/arm/arm.c (get_arm_condition_code): Change type of code
        to enum arm_cond_code.
        (IWMMXT_BUILTIN): Change 0 to UNKNOWN.
        (IWMMXT_BUILTIN2): Likewise.
        (neon_builtin_type_bits): Don't define typedef.
        (neon_builtin_datum): Change type of bits field to int.
        (arm_expand_neon_args): Add cast to enum type.
        * config/ia64/ia64.c (tls_symbolic_operand_type): Change 0 to
        TLS_MODEL_NONE.
        * config/i386/i386.c (bdesc_multi_arg): Change 0 to UNKNOWN.  Add
        casts to enum type.
        * config/mips/mips.c (LOONGSON_BUILTIN_ALIAS): Change 0 to
        MIPS_FP_COND_f.
        * config/mips/mips.md (jal_macro): Return enum constant.
        (single_insn): Likewise.
        * config/rs6000/rs6000.c (bdesc_altivec_preds): Change 0 to
        CODE_FOR_nothing.
        * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
        casts to enum type.
        * config/s390/s390.c (s390_tune_flags): Change type to int.
        (s390_arch_flags): Likewise.
        (s390_handle_arch_option): Change flags field of struct pta to int.
        * config/s390/s390.h (s390_tune_flags): Update declaration.
        (s390_arch_flags): Likewise.
        * config/sh/sh.c (prepare_move_operands): Compare
        tls_symbolic_operand result with enum constant.
        (sh_reorg): Change PUT_MODE to PUT_REG_NOTE_KIND.
        (sh_expand_prologue): Add cast to enum type.
        (sh_expand_epilogue): Likewise.
        (tls_symbolic_operand): Change return type to enum tls_model.
        (fpscr_set_from_mem): Add cast to enum type.
        (legitimize_pic_address): Compare tls_symbolic_operand result with
        enum constant.
        (sh_target_reg_class): Change return type to enum reg_class.
        * config/sh/sh.h (OVERRIDE_OPTIONS): Change CPU_xxx to
        PROCESSOR_xxx.
        * config/sh/sh-protos.h (tls_symbolic_operand): Update declaration.
        * config/sparc/sparc.c (sparc_override_options): Add cast to enum type.
        * config/sparc/sparc.md (empty_delay_slot): Return enum constant.
        (pic, calls_alloca, calls_eh_return, leaf_function): Likewise.
        (delayed_branch, tls_call_delay): Likewise.
        (eligible_for_sibcall_delay): Likewise.
        (eligible_for_return_delay): Likewise.
        * config/spu/spu.c (expand_builtin_args): Add cast to enum type.
        (spu_expand_builtin_1): Likewise.

        * c-typeck.c (convert_for_assignment): Issue -Wc++-compat warnings
        for all types of conversions.
        (output_init_element): Issue -Wc++-compat warning if needed when
        initializing a bitfield with enum type.
        * c-parser.c (c_parser_expression): Set original_type to
        original_type of right hand operand of comma operator.

2009-04-27  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

        * doc/c-tree.texi (Types, Functions, Expression trees): Fix
        grammar nits.
        * doc/cfg.texi (Maintaining the CFG, Liveness information): Likewise.
        * doc/cpp.texi (Standard Predefined Macros)
        (Implementation-defined behavior): Likewise.
        * doc/extend.texi (Function Attributes, Type Attributes): Likewise.
        * doc/gimple.texi (GIMPLE Exception Handling)
        (@code{GIMPLE_ASSIGN}): Likewise.
        * doc/install.texi (Prerequisites, Configuration, Specific): Likewise.
        * doc/invoke.texi (Warning Options, Optimize Options)
        (AVR Options, Darwin Options): Likewise.
        (Optimize Options): Reformulate -fwhole-program description.
        * doc/loop.texi (Lambda): Likewise.
        * doc/md.texi (Output Template, Define Constraints)
        (Standard Names, Insn Splitting): Likewise.
        * doc/options.texi (Option properties): Likewise.
        * doc/passes.texi (Tree-SSA passes): Likewise.
        * doc/rtl.texi (Side Effects, Assembler, Insns): Likewise.
        * doc/tm.texi (Register Classes, Old Constraints, Scalar Return)
        (File Names and DBX): Likewise.
        * doc/trouble.texi (Incompatibilities): Likewise.

2009-04-27  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>

        * spu.c (spu_machine_dependent_reorg): Make sure branch label on hint
        instruction is correct.

2009-04-27  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>

        Allow non-constant arguments to conversion intrinsics.
        * spu-protos.h (exp2_immediate_p, spu_gen_exp2): Declare.
        * predicates.md (spu_inv_exp2_operand, spu_exp2_operand): New.
        * spu.c (print_operand): Handle 'v' and 'w'.
        (exp2_immediate_p, spu_gen_exp2): Define.
        * spu-builtins.def (spu_convts, spu_convtu, spu_convtf_0,
        spu_convtf_1): Update parameter descriptions.
        * spu-builtins.md (spu_csflt, spu_cuflt, spu_cflts, spu_cfltu): Update.
        * constraints.md ('v', 'w'): New.
        * spu.md (UNSPEC_CSFLT, UNSPEC_CFLTS, UNSPEC_CUFLT, UNSPEC_CFLTU):
        Remove.
        (i2f, I2F): New define_mode_attr.
        (floatsisf2, floatv4siv4sf2, fix_truncsfsi2, fix_truncv4sfv4si2,
        floatunssisf2, floatunsv4siv4sf2, fixuns_truncsfsi2,
        fixuns_truncv4sfv4si2):  Update to use mode attribute.
        (float<mode><i2f>2_mul, float<mode><i2f>2_div,
        fix_trunc<mode><f2i>2_mul, floatuns<mode><i2f>2_mul,
        floatuns<mode><i2f>2_div, fixuns_trunc<mode><f2i>2_mul): New
        patterns for combine.

2009-04-27  Steven Bosscher  <steven@gcc.gnu.org>

        * dbgcnt.def (cprop1, cprop2, gcse, jump_bypass): Remove
        (cprop, hoist, pre, store_motion): New debug counters.
        * tree-pass.h (pass_tracer): Move to list of gimple passes, it
        is not an RTL pass anymore.
        (pass_profiling): Remove extern decl for pass removed in 2005.
        (pass_gcse, pass_jump_bypass): Remove.
        * final.c (rest_of_clean_state): Set flag_rerun_cse_after_global_opts
        to 0 for clean state.
        * toplev.h (flag_rerun_cse_after_global_opts): Add extern declaration.
        * cse.c (gate_handle_cse_after_global_opts,
        rest_of_handle_cse_after_global_opts): New functions.
        (pass_cse_after_global_opts): New pass, does local CSE.
        * timevar.def (TV_GCSE, TV_CPROP1, TV_CPROP2, TV_BYPASS): Remove.
        (TV_CPROP): New timevar.
        * gcse.c (flag_rerun_cse_after_global_opts): New global variable.
        (run_jump_opt_after_gcse, max_gcse_regno): Remove global vars.
        (gcse_main, recompute_all_luids): Remove.
        (compute_hash_table_work): Call max_reg_num instead of reading
        max_gcse_regno.
        (cprop_jump): Don't set run_jump_opt_after_gcse.
        (constprop_register): Always allow to alter jumps.
        (cprop_insn): Likewise.
        (do_local_cprop): Likewise.
        (local_cprop_pass): Likewise.  Return non-zero if something changed.
        (cprop): Remove function, fold interesting bits into one_cprop_pass.
        (find_implicit_sets): Add note about missed optimization opportunity.
        (one_cprop_pass): Rewrite to be "the" CPROP pass, called from the
        pass_rtl_cprop execute function.
        Don't bother tracking the pass number, each pass gets its own dumpfile
        now anyway.
        Always allow to alter jumpsand bypass jumps.
        (bypass_block): Don't ignore regno >= max_gcse_regno, find_bypass_set
        will just find no suitable set.
        (pre_edge_insert): Fix dumping, this function is for PRE only.
        (one_pre_gcse_pass): Rewrite to be "the" PRE pass, called from the
        pass_rtl_pre execute function.
        (hoist_code): Return non-zero if something changed.  Keep track of
        substitutions and insertions for statistics gathering similar to PRE.
        (one_code_hoisting_pass): Rewrite to be "the" code hoisting pass,
        called from the pass_rtl_hoist execute function.  Show pass statistics.
        (compute_store_table): Use max_reg_num directly instead of using the
        formerly global max_gcse_regno.
        (build_store_vectors): Likewise.
        (replace_store_insn): Fix dumping.
        (store_motion): Rename to ...
        (one_store_motion_pass): ... this.  Rewrite to be "the" STORE_MOTION
        pass, called from the pass_rtl_store_motion execute function.  Keep
        track of substitutions and insertions for statistics gathering similar
        to PRE.
        (bypass_jumps): Remove, fold interesting bits into ...
        (one_cprop_pass): ... this.  Rewrite to be "the" CPROP pass, called
        from the pass_rtl_cprop execute function.
        (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
        pass_jump_bypass): Remove.
        (gate_handle_gcse, rest_of_handle_gcse): Remove.
        (gate_rtl_cprop, execute_rtl_cprop, pass_rtl_cprop): New.
        (gate_rtl_pre, execute_rtl_pre, pass_rtl_pre): New.
        (gate_rtl_hoist, execute_rtl_hoist, pass_rtl_hoist): New.
        (gate_rtl_store_motion, execute_rtl_store_motion,
        pass_rtl_store_motion): New.
        * common.opt: Remove flag_cse_skip_blocks, adjust documentation to
        make it clear that -fcse-skip-blocks is a no-op for backward compat.
        * passes.c (init_optimization_passes): Remove pass_gcse and
        pass_jump_bypass.  Schedule cprop, pre, hoist, cprop, store_motion,
        and cse_after_global_opts in place of pass_gcse.  Schedule cprop
        instead of pass_jump_bypass.

2009-04-27  Richard Guenther  <rguenther@suse.de>

        PR middle-end/39928
        * gimplify.c (gimplify_expr): If we are required to create
        a temporary make sure it ends up as register.

2009-04-27  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/39903
        * config/i386/i386.c (construct_container): Don't call
        gen_reg_or_parallel with BLKmode on X86_64_SSE_CLASS,
        X86_64_SSESF_CLASS and X86_64_SSEDF_CLASS.

2009-04-27  Michael Matz  <matz@suse.de>

        * ssaexpand.h (struct ssaexpand): Member 'values' is a bitmap.
        (get_gimple_for_ssa_name): Adjust, lookup using SSA_NAME_DEF_STMT.
        * tree-ssa-live.h: (find_replaceable_exprs): Return a bitmap.
        (dump_replaceable_exprs): Take a bitmap.
        * cfgexpand.c (gimple_cond_pred_to_tree): Handle bitmap instead of
        array.
        (expand_gimple_basic_block): Likewise.
        * tree-ssa-ter.c (struct temp_expr_table_d): Make
        replaceable_expressions member a bitmap.
        (free_temp_expr_table): Pass back and deal with bitmap, not gimple*.
        (mark_replaceable): Likewise.
        (find_replaceable_in_bb, dump_replaceable_exprs): Likewise.
        * tree-outof-ssa.c (remove_ssa_form): 'values' is a bitmap.

2009-04-27  Richard Guenther  <rguenther@suse.de>

        * tree-cfg.c (remove_useless_stmts): Verify stmts afterwards.
        (verify_stmts): Dispatch to gimple/type verification code.
        * tree-inline.c (remap_gimple_op_r): Work around C++ FE
        issue with call argument types.

2009-04-27  Michael Matz  <matz@suse.de>

        * tree-into-ssa.c (regs_to_rename, mem_syms_to_rename): Remove.
        (init_update_ssa, delete_update_ssa, update_ssa): Remove references
        to above.

2009-04-27  Richard Sandiford  <rdsandiford@googlemail.com>
            Eric Botcazou  <ebotcazou@adacore.com>

        * resource.c (find_basic_block): Use BLOCK_FOR_INSN to look up
        a label's basic block.
        (mark_target_live_regs): Tidy and rework obsolete comments.
        Change back DF problem to LIVE.  If a label starts a basic block,
        assume that all registers that used to be live then still are.
        (init_resource_info): If a label starts a basic block, set its
        BLOCK_FOR_INSN accordingly.
        (fini_resource_info): Undo the setting of BLOCK_FOR_INSN.

2009-04-27  Richard Guenther  <rguenther@suse.de>

        * tree-flow-inline.h (function_ann): Remove.
        (get_function_ann): Likewise.
        * tree-dfa.c (create_function_ann): Remove.
        * tree-flow.h (struct static_var_ann_d): Remove.
        (struct function_ann_d): Likewise.
        (union tree_ann_d): Remove fdecl member.
        (function_ann_t): Remove.
        (function_ann, get_function_ann, create_function_ann): Remove
        declarations.

2009-04-27  Uros Bizjak  <ubizjak@gmail.com>

        * config/alpha/alpha.c (code_for_builtin): Declare as enum insn_code.

2009-04-27  Jan Hubicka  <jh@suse.cz>

        * ipa-pure-const.c (struct funct_state_d): New fields
        state_previously_known, looping_previously_known; remove
        state_set_in_source.
        (analyze_function): Use new fields.
        (propagate): Avoid assumption that state_set_in_source imply
        nonlooping.

        * tree-ssa-loop-niter.c (finite_loop_p): New function.
        * tree-ssa-loop-ivcanon.c (empty_loop_p): Use it.
        * cfgloop.h (finite_loop_p): Declare.

2009-04-26  Michael Matz  <matz@suse.de>

        * tree-flow.h (tree_ann_common_d): Remove aux and value_handle members.

2009-04-26  Michael Matz  <matz@suse.de>

        * tree-pass.h (pass_del_ssa, pass_mark_used_blocks,
        pass_free_cfg_annotations, pass_free_datastructures): Remove decls.
        * gimple-low.c (mark_blocks_with_used_vars, mark_used_blocks,
        pass_mark_used_blocks): Remove.
        * tree-optimize.c (pass_free_datastructures,
        execute_free_cfg_annotations, pass_free_cfg_annotations): Remove.
        * passes.c (init_optimization_passes): Don't call
        pass_mark_used_blocks, remove dead code.

2009-04-26  H.J. Lu  <hongjiu.lu@intel.com>

        * tree-outof-ssa.c (rewrite_trees): Add ATTRIBUTE_UNUSED.
        * tree-ssa-live.h (register_ssa_partition): Likewise.

2009-04-26  Michael Matz  <matz@suse.de>

        Expand from SSA.
        * builtins.c (fold_builtin_next_arg): Handle SSA names.
        * tree-ssa-copyrename.c (rename_ssa_copies): Use ssa_name() directly.
        * tree-ssa-coalesce.c (create_outofssa_var_map): Mark only useful
        SSA names.
        (compare_pairs): Swap cost comparison.
        (coalesce_ssa_name): Don't use change_partition_var.
        * tree-nrv.c (struct nrv_data): Add modified member.
        (finalize_nrv_r): Set it.
        (tree_nrv): Use it to update statements.
        (pass_nrv): Require PROP_ssa.
        * tree-mudflap.c (mf_decl_cache_locals,
        mf_build_check_statement_for): Use make_rename_temp.
        (pass_mudflap_2): Require PROP_ssa, run ssa update at finish.
        * alias.c (find_base_decl): Handle SSA names.
        * emit-rtl (set_reg_attrs_for_parm): Make non-static.
        (component_ref_for_mem_expr): Don't leak SSA names into RTL.
        * rtl.h (set_reg_attrs_for_parm): Declare.
        * tree-optimize.c (pass_cleanup_cfg_post_optimizing): Rename
        to "optimized", remove unused locals at finish.
        (execute_free_datastructures): Make global, call
        delete_tree_cfg_annotations.
        (execute_free_cfg_annotations): Don't call
        delete_tree_cfg_annotations.

        * ssaexpand.h: New file.
        * expr.c (toplevel): Include ssaexpand.h.
        (expand_assignment): Handle SSA names the same as register variables.
        (expand_expr_real_1): Expand SSA names.
        * cfgexpand.c (toplevel): Include ssaexpand.h.
        (SA): New global variable.
        (gimple_cond_pred_to_tree): Fold TERed comparisons into predicates.
        (SSAVAR): New macro.
        (set_rtl): New helper function.
        (add_stack_var): Deal with SSA names, use set_rtl.
        (expand_one_stack_var_at): Likewise.
        (expand_one_stack_var): Deal with SSA names.
        (stack_var_size_cmp): Use code (SSA_NAME / DECL) as tie breaker
        before unique numbers.
        (expand_stack_vars): Use set_rtl.
        (expand_one_var): Accept SSA names, add asserts for them, feed them
        to above subroutines.
        (expand_used_vars): Expand all partitions (without default defs),
        then only the local decls (ignoring those expanded already).
        (expand_gimple_cond): Remove edges when jumpif() expands an
        unconditional jump.
        (expand_gimple_basic_block): Don't clear EDGE_EXECUTABLE here,
        or remove abnormal edges.  Ignore insns setting the LHS of a TERed
        SSA name.
        (gimple_expand_cfg): Call into rewrite_out_of_ssa, initialize
        members of SA; deal with PARM_DECL partitions here; expand
        all PHI nodes, free tree datastructures and SA.  Commit instructions
        on edges, clear EDGE_EXECUTABLE and remove abnormal edges here.
        (pass_expand): Require and destroy PROP_ssa, verify SSA form, flow
        info and statements at start, collect garbage at finish.
        * tree-ssa-live.h (struct _var_map): Remove partition_to_var member.
        (VAR_ANN_PARTITION) Remove.
        (change_partition_var): Don't declare.
        (partition_to_var): Always return SSA names.
        (var_to_partition): Only accept SSA names.
        (register_ssa_partition): Only check argument.
        * tree-ssa-live.c (init_var_map): Don't allocate partition_to_var
        member.
        (delete_var_map): Don't free it.
        (var_union): Only accept SSA names, simplify.
        (partition_view_init): Mark only useful SSA names as used.
        (partition_view_fini): Only deal with SSA names.
        (change_partition_var): Remove.
        (dump_var_map): Use ssa_name instead of partition_to_var member.
        * tree-ssa.c (delete_tree_ssa): Don't remove PHI nodes on RTL
        basic blocks.
        * tree-outof-ssa.c (toplevel): Include ssaexpand.h and expr.h.
        (struct _elim_graph): New member const_dests; nodes member vector of
        ints.
        (set_location_for_edge): New static helper.
        (create_temp): Remove.
        (insert_partition_copy_on_edge, insert_part_to_rtx_on_edge,
        insert_value_copy_on_edge, insert_rtx_to_part_on_edge): New functions.
        (new_elim_graph): Allocate const_dests member.
        (clean_elim_graph): Truncate const_dests member.
        (delete_elim_graph): Free const_dests member.
        (elim_graph_size): Adapt to new type of nodes member.
        (elim_graph_add_node): Likewise.
        (eliminate_name): Likewise.
        (eliminate_build): Don't take basic block argument, deal only with
        partition numbers, not variables.
        (get_temp_reg): New static helper.
        (elim_create): Use it, deal with RTL temporaries instead of trees.
        (eliminate_phi): Adjust all calls to new signature.
        (assign_vars, replace_use_variable, replace_def_variable): Remove.
        (rewrite_trees): Only do checking.
        (edge_leader, stmt_list, leader_has_match, leader_match): Remove.
        (same_stmt_list_p, identical_copies_p, identical_stmt_lists_p,
        init_analyze_edges_for_bb, fini_analyze_edges_for_bb,
        contains_tree_r, MAX_STMTS_IN_LATCH,
        process_single_block_loop_latch, analyze_edges_for_bb,
        perform_edge_inserts): Remove.
        (expand_phi_nodes): New global function.
        (remove_ssa_form): Take ssaexpand parameter.  Don't call removed
        functions, initialize new parameter, remember partitions having a
        default def.
        (finish_out_of_ssa): New global function.
        (rewrite_out_of_ssa): Make global.  Adjust call to remove_ssa_form,
        don't reset in_ssa_p here, don't disable TER when mudflap.
        (pass_del_ssa): Remove.
        * tree-flow.h (struct var_ann_d): Remove out_of_ssa_tag and
        partition members.
        (execute_free_datastructures): Declare.
        * Makefile.in (SSAEXPAND_H): New variable.
        (tree-outof-ssa.o, expr.o, cfgexpand.o): Depend on SSAEXPAND_H.
        * basic-block.h (commit_one_edge_insertion): Declare.
        * passes.c (init_optimization_passes): Move pass_nrv and
        pass_mudflap2 before pass_cleanup_cfg_post_optimizing, remove
        pass_del_ssa, pass_free_datastructures, pass_free_cfg_annotations.
        * cfgrtl.c (commit_one_edge_insertion): Make global, don't declare.
        (redirect_branch_edge): Deal with super block when expanding, split
        out jump patching itself into ...
        (patch_jump_insn): ... here, new static helper.

2009-04-26  Michael Matz  <matz@suse.de>

        * tree-ssa-copyrename.c (rename_ssa_copies): Don't iterate
        beyond num_ssa_names.
        * tree-ssa-ter.c (free_temp_expr_table): Likewise.
        * tree-ssa-coalesce.c (create_outofssa_var_map): Likewise.

2009-04-26  Jakub Jelinek  <jakub@redhat.com>

        PR inline-asm/39543
        * fwprop.c (forward_propagate_asm): New function.
        (forward_propagate_and_simplify): Propagate also into __asm, if it
        doesn't increase the number of referenced registers.

        PR c/39889
        * stmt.c (warn_if_unused_value): Look through NON_LVALUE_EXPR.

2009-04-26  Jakub Jelinek  <jakub@redhat.com>

        * tree-nested.c (get_nonlocal_vla_type): If not optimizing, call
        note_nonlocal_vla_type for nonlocal VLAs.
        (note_nonlocal_vla_type, note_nonlocal_block_vlas,
        contains_remapped_vars, remap_vla_decls): New functions.
        (convert_nonlocal_reference_stmt): If not optimizing, call
        note_nonlocal_block_vlas on GIMPLE_BIND block vars.
        (nesting_copy_decl): Return {VAR,PARM,RESULT}_DECL unmodified
        if it wasn't found in var_map.
        (finalize_nesting_tree_1): Call remap_vla_decls.  If outermost
        GIMPLE_BIND doesn't have gimple_bind_block, chain debug_var_chain
        to BLOCK_VARS (DECL_INITIAL (root->context)) instead of calling
        declare_vars.
        * gimplify.c (nonlocal_vlas): New variable.
        (gimplify_var_or_parm_decl): Add debug VAR_DECLs for non-local
        referenced VLAs.
        (gimplify_body): Create and destroy nonlocal_vlas.

        * dwarf2out.c (loc_descr_plus_const): New function.
        (build_cfa_aligned_loc, tls_mem_loc_descriptor,
        mem_loc_descriptor, loc_descriptor_from_tree_1,
        descr_info_loc, gen_variable_die): Use it.

        * tree.h (DECL_BY_REFERENCE): Note that it is also valid for
        !TREE_STATIC VAR_DECLs.
        * dwarf2out.c (loc_by_reference, gen_decl_die): Handle
        DECL_BY_REFERENCE on !TREE_STATIC VAR_DECLs.
        (gen_variable_die): Likewise.  Don't look at TREE_PRIVATE if
        DECL_BY_REFERENCE is valid.
        * dbxout.c (DECL_ACCESSIBILITY_CHAR): Don't look at TREE_PRIVATE
        for PARM_DECLs, RESULT_DECLs or !TREE_STATIC VAR_DECLs.
        * tree-nested.c (get_nonlocal_debug_decl, get_local_debug_decl):
        Copy DECL_BY_REFERENCE.
        (struct nesting_copy_body_data): New type.
        (nesting_copy_decl): New function.
        (finalize_nesting_tree_1): Remap types of debug_var_chain variables,
        if they have variable length.

2009-04-26  Michael Matz  <matz@suse.de>

        * tree-sra.c (sra_build_assignment): Don't use into_ssa mode,
        mark new temporaries for renaming.

2009-04-26  Joseph Myers  <joseph@codesourcery.com>

        PR c/39581
        * c-decl.c (global_bindings_p): Return negative value.
        (c_variable_size): New.  Based on variable_size from
        stor-layout.c.
        (grokdeclarator): Call c_variable_size not variable_size.

2009-04-26  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.c (print_operand) ['z']: Fix typo.

2009-04-26  Kai Tietz  <kai.tietz@onevision.com>

        * config/i386/mingw-w64.h (STANDARD_INCLUDE_DIR):
        Redefine it to just use mingw/include.
        (ASM_SPEC): Rules for -m32 and -m64.
        (LINK_SPEC): Use Likewise.
        (SPEC_32): New define.
        (SPEC_64): Likewise.
        (SUB_LINK_SPEC): Likewise.
        (MULTILIB_DEFAULTS): New define.
        * config/i386/t-mingw-w64 (MULTILIB_OPTIONS):
        Add multilib options.
        (MULTILIB_DIRNAMES): Likewise.
        (MULTILIB_OSDIRNAMES): Likewise.
        (LIBGCC): Likewise.
        (INSTALL_LIBGCC): Likewise.

2009-04-26  Joseph Myers  <joseph@codesourcery.com>

        PR c/39556
        * c-tree.h (enum c_inline_static_type): New.
        (record_inline_static): Declare.
        * c-decl.c (struct c_inline_static, c_inline_statics,
        record_inline_static, check_inline_statics): New.
        (pop_file_scope): Call check_inline_statics.
        (start_decl): Call record_inline_static instead of pedwarning
        directly for static in inline function.
        * c-typeck.c (build_external_ref): Call record_inline_static
        instead of pedwarning directly for static referenced in inline
        function.

2009-04-26  Steven Bosscher  <steven@gcc.gnu.org>

        * df-scan.c (df_insn_rescan): Salvage insn's LUID if the insn is
        not new but only being rescanned.
        * gcse.c (uid_cuid, max_uid, INSN_CUID, max_cuid, struct reg_set,
        reg_set_table, REG_SET_TABLE_SLOP, reg_set_in_block,
        alloc_reg_set_mem, free_reg_set_mem, record_one_set,
        record_set_info, compute_set, grealloc): Remove.
        (recompute_all_luids): New function.
        (gcse_main): Don't compute sets, and don't do related memory
        allocations/free-ing.  If something changed before the end of the
        pass, update LUIDs using recompute_all_luids.
        (alloc_gcse_mem): Don't compute LUIDs.  Don't allocate reg_set memory.
        (free_gcse_mem): Don't free it either.
        (oprs_unchanged_p, load_killed_in_block, record_last_reg_set_info):
        Use the df insn LUIDs.
        (load_killed_in_block): Likewise.
        (compute_hash_table_work): Don't compute reg_set_in_block.
        (compute_transp): Use DF_REG_DEF_CHAINs.
        (local_cprop_pass): Don't use compute_sets and related functions.
        (one_cprop_pass, pre_gcse, one_pre_gcse_pass, one_code_hoisting_pass):
        Use get_max_uid() instead of max_cuid.
        (insert_insn_end_basic_block, pre_insert_copy_insn,
        update_ld_motion_stores): Don't try to
        keep reg_set tables up to date.
        (pre_insert_copies): Use df insn LUIDs.
        (sbitmap pre_redundant_insns): Replace with uses of INSN_DELETED_P.
        (reg_set_info): Don't use extra bitmap argument.
        (compute_store_table): Don't compute reg_set_in_block.  Use DF scan
        information to compute regs_set_in_block.
        (free_store_memory, store_motion): Don't nullify reg_set_in_block.
        (bypass_jumps): Don't use compute_sets and friends.

2009-04-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

        PR testsuite/39710
        * opts.c (undocumented_msg): Do not leave blank even with
        ENABLE_CHECKING.

2009-04-25  Joseph Myers  <joseph@codesourcery.com>

        * c-decl.c (build_enumerator): Allow values folding to integer
        constants but not integer constant expressions with a pedwarn if
        pedantic.

2009-04-25  Joseph Myers  <joseph@codesourcery.com>

        PR c/39582
        * c-typeck.c (c_expr_sizeof_type): Create a C_MAYBE_CONST_EXPR
        with non-null C_MAYBE_CONST_EXPR_PRE if size of a variable-length
        type is an integer constant.

2009-04-25  Uros Bizjak  <ubizjak@gmail.com>

        PR target/39897
        * config/i386/i386.c (print_operand) ['z']: Revert handling of
        HImode operands.

2009-04-25  Joseph Myers  <joseph@codesourcery.com>

        PR c/39564
        * c-decl.c (grokdeclarator): Diagnose declarations of functions
        with variably modified return type and no storage class
        specifiers, except for the case of nested functions.  Distinguish
        extern declarations of functions with variably modified return
        types from those of objects with variably modified types.

2009-04-25  Jan Hubicka  <jh@suse.cz>

        * tree.c (list_equal_p): New function.
        * tree.h (list_equal_p): Declare.
        * coretypes.h (edge_def, edge, const_edge, basic_block_def
        basic_block_def, basic_block, const_basic_block): New.
        * tree-eh.c (make_eh_edge): EH edges are not abnormal.
        (redirect_eh_edge): New function.
        (make_eh_edge_update_phi): EH edges are not abnormal.
        * except.c: Include tree-flow.h.
        (list_match): New function.
        (eh_region_replaceable_by_p): New function.
        (replace_region): New function.
        (hash_type_list): New function.
        (hash_eh_region): New function.
        (eh_regions_equal_p): New function.
        (merge_peers): New function.
        (remove_unreachable_regions): Verify EH tree when checking;
        merge peers.
        (copy_eh_region_1): New function.
        (copy_eh_region): New function.
        (push_reachable_handler): New function.
        (build_post_landing_pads, dw2_build_landing_pads): Be ready for
        regions without label but with live RESX.
        * except.h (redirect_eh_edge_to_label): New.
        * tree-flow.h (redirect_eh_edge): New.
        * coretypes.h (edge_def, edge, const_edge, basic_block_def
        basic_block_def, basic_block, const_basic_block): Remove.
        * Makefile.in (except.o): Add dependency on tree-flow.h
        * tree-cfg.c (gimple_redirect_edge_and_branch): Handle EH edges.
        * basic-block.h (edge, const_edge, basic_block, const_basic_block):
        Remove.

2009-04-25  Eric Botcazou  <ebotcazou@adacore.com>

        PR bootstrap/39645
        * config/sparc/sparc.c (sparc_gimplify_va_arg): Set TREE_ADDRESSABLE
        on the destination of memcpy.

2009-04-25  Paolo Bonzini  <bonzini@gnu.org>

        * doc/tm.texi (REGNO_OK_FOR_BASE_P, REGNO_MODE_OK_FOR_BASE_P,
        REGNO_MODE_OK_FOR_REG_BASE_P, REGNO_MODE_CODE_OK_FOR_BASE_P,
        REGNO_OK_FOR_INDEX_P): Mention strict/nonstrict difference.

2009-04-25  Jan Hubicka  <jh@suse.cz>

        * tree-eh.c (tree_remove_unreachable_handlers): Handle shared labels.
        (tree_empty_eh_handler_p): Allow non-EH predecestors; allow region
        to be reached by different label than left.
        (update_eh_edges): Update comment; remove edge_to_remove if possible
        and return true if suceeded.
        (cleanup_empty_eh): Accept sharing map; handle shared regions.
        (cleanup_eh): Compute sharing map.
        * except.c (remove_eh_handler_and_replace): Add argument if we should
        update regions.
        (remove_unreachable_regions): Update for label sharing.
        (label_to_region_map): Likewise.
        (get_next_region_sharing_label): New function.
        (remove_eh_handler_and_replace): Add update_catch_try parameter; update
        prev_try pointers.
        (remove_eh_handler): Update.
        (remove_eh_region_and_replace_by_outer_of): New function.
        * except.h (struct eh_region): Add next_region_sharing_label.
        (remove_eh_region_and_replace_by_outer_of,
        get_next_region_sharing_label): Declare.
        * tree-cfgcleanup.c (tree_forwarder_block_p): Simplify.

2009-04-25  Jan Hubicka  <jh@suse.cz>

        * tree-cfg.c (split_critical_edges): Split also edges where we can't
        insert code even if they are not critical.

2009-04-25  Jan Hubicka  <jh@suse.cz>

        * tree-cfg.c (gimple_can_merge_blocks_p): EH edges are unmergable.
        (gimple_can_remove_branch_p): EH edges won't remove branch by
        redirection.
        * tree-inline.c (update_ssa_across_abnormal_edges): Do handle
        updating of non-abnormal EH edges.
        * tree-cfg.c (gimple_can_merge_blocks_p): EH edges are unmergable.
        (gimple_can_remove_branch_p): EH edges are unremovable by redirection.
        (split_critical_edges): Split also edges where emitting code on them
        will lead to splitting later.

2009-04-25  Uros Bizjak  <ubizjak@gmail.com>
            H.J. Lu  <hongjiu.lu@intel.com>

        PR target/39590
        * configure.ac (HAVE_AS_IX86_FILDQ): On x86 targets check whether
        the configured assembler supports fildq and fistpq mnemonics.
        (HAVE_AS_IX86_FILDS): Rename from HAVE_GAS_FILDS_FISTS.
        * configure: Regenerated.
        * config.in: Ditto.

        * config/i386/i386.c (print_operand): Handle 'Z'.
        ['z']: Remove handling of special fild/fist suffixes.
        (output_fix_trunc): Use '%Z' to output suffix of fist{,p,tp} insn.
        * config/i386/i386.md (*floathi<mode>2_i387): Use '%Z' to output
        suffix of fild insn.
        (*floatsi<mode>2_vector_mixed): Ditto.
        (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_interunit): Ditto.
        (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_nointerunit): Ditto.
        (*float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp): Ditto.
        (*float<SSEMODEI24:mode><X87MODEF:mode>2_i387): Ditto.
        * config/i386/gas.h (GAS_MNEMONICS): Remove.

2009-04-25  Ben Elliston  <bje@au.ibm.com>

        * genrecog.c (validate_pattern): Do not warn for VOIDmode CALLs as
        the source of a set operation.

2009-04-25  Anatoly Sokolov  <aesok@post.ru>

        * target.h (struct gcc_target): Add case_values_threshold field.
        * target-def.h (TARGET_CASE_VALUES_THRESHOLD): New.
        (TARGET_INITIALIZER): Use TARGET_CASE_VALUES_THRESHOLD.
        * targhooks.c (default_case_values_threshold): New function.
        * targhooks.h (default_case_values_threshold): Declare function.
        * stmt.c (expand_case): Use case_values_threshold target hook.
        * expr.h (case_values_threshold): Remove declartation.
        * expr.c (case_values_threshold): Remove function.
        * doc/tm.texi (CASE_VALUES_THRESHOLD): Revise documentation.

        * config/avr/avr.h (CASE_VALUES_THRESHOLD): Remove macro.
        * config/avr/avr.c (TARGET_CASE_VALUES_THRESHOLD): Define macro.
        (avr_case_values_threshold): Declare as static.
        * config/avr/avr-protos.h (avr_case_values_threshold): Remove.

        * config/avr/mn10300.h (CASE_VALUES_THRESHOLD): Remove macro.
        * config/avr/mn10300.c (TARGET_CASE_VALUES_THRESHOLD): Define macro.
        (mn10300_case_values_threshold): New function.

2009-04-24  H.J. Lu  <hongjiu.lu@intel.com>

        * ira.c (setup_cover_and_important_classes): Add enum cast.

2009-04-24  Vladimir Makarov  <vmakarov@redhat.com>

        * genpreds.c (write_enum_constraint_num): Output definition of
        CONSTRAINT_NUM_DEFINED_P macro.
        * ira.c (setup_cover_and_important_classes): Use
        CONSTRAINT_NUM_DEFINED_P instead of CONSTRAINT__LIMIT in #ifdef.

2009-04-24  DJ Delorie  <dj@redhat.com>

        * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Test
        __SH2A_SINGLE_ONLY__ also.

2009-04-24  Steve Ellcey  <sje@cup.hp.com>

        * config/ia64/ia64.md (movfs_internal): Allow flt constants.
        (movdf_internal): Ditto.
        * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow
        SFmode and DFmode constants.
        (ia64_print_operand): Add 'G' format for printing
        floating point constants.

2009-04-24  Richard Guenther  <rguenther@suse.de>

        * tree-vrp.c (extract_range_from_binary_expr): Handle overflow
        from unsigned additions.

2009-04-24  Joseph Myers  <joseph@codesourcery.com>

        * c-typeck.c (set_init_index): Allow array designators that are
        not integer constant expressions with a pedwarn if pedantic.

2009-04-24  Bernd Schmidt  <bernd.schmidt@analog.com>

        * simplify-rtx.c (simplify_binary_operation_1, case AND): Result is
        zero if no overlap in nonzero bits between the operands.

2009-04-24  Ian Lance Taylor  <iant@google.com>

        * combine.c (record_value_for_reg): Change 0 to VOIDmode, twice.
        (record_dead_and_set_regs): Likewise.
        * df.h (struct df_mw_hardreg): Change flags field to int.
        (struct df_base_ref): Likewise.
        (struct df): Change changeable_flags field to int.
        * df-scan.c (df_defs_record): Change clobber_flags to int.
        * dwarf2.h (enum dwarf_tag): Make lo_user and hi_user values enum
        constants rather than #define macros.
        (enum dwarf_attribute, enum dwarf_location_atom): Likewise.
        (enum dwarf_type, enum dwarf_endianity_encoding): Likewise.
        (enum dwarf_calling_convention): Likewise.
        (enum dwarf_line_number_x_ops): Likewise.
        (enum dwarf_call_frame_info): Likewise.
        (enum dwarf_source_language): Likewise.
        * dwarf2out.c (int_loc_descriptor): Add cast to enum type.
        (add_calling_convention_attribute): Likewise.
        * fold-const.c (fold_undefer_overflow_warnings): Add cast to enum type.
        (combine_comparisons): Change compcode to int.  Add cast to enum type.
        * genrecog.c (maybe_both_true_2): Change c to int.
        (write_switch): Likewise.  Add cast to enum type.
        * gimplify.c (gimplify_omp_for): Handle return values from
        gimplify_expr using MIN rather than bitwise or.
        (gimplify_expr): Add cast to enum type.
        * ipa-prop.c (update_jump_functions_after_inlining): Change
        IPA_BOTTOM to IPA_JF_UNKNOWN.
        * ira.c (setup_class_subset_and_memory_move_costs): Change mode to int.
        Add casts to enum type.
        (setup_cover_and_important_classes): Change cl to int.  Add casts
        to enum type.
        (setup_class_translate): Change cl and mode to int.
        (ira_init_once): Change mode to int.
        (free_register_move_costs): Likewise.
        (setup_prohibited_mode_move_regs): Add casts to enum type.
        * langhooks.c (add_builtin_function_common): Rework assertion that
        value fits bitfield.
        * mcf.c (add_fixup_edge): Change type parameter to edge_type.
        * omega.c (omega_do_elimination): Avoid math on enum types.
        * optabs.c (expand_vec_shift_expr): Remove casts to int.
        * opts.c (set_debug_level): Change 2 to enum constant.  Use new
        int local to handle integral_argment value.
        * regmove.c (try_auto_increment): Change PUT_MODE to
        PUT_REG_NOTE_KIND.
        * reload.c (push_secondary_reload): Add casts to enum type.
        (secondary_reload_class, find_valid_class): Likewise.
        * reload1.c (emit_input_reload_insns): Likewise.
        * rtl.h (NOTE_VAR_LOCATION_STATUS): Likewise.
        * sel-sched.c (init_hard_regs_data): Change cur_mode to int.
        * sel-sched-ir.c (hash_with_unspec_callback): Change 0 to enum
        constant.
        * tree.c (build_common_builtin_nodes): Add casts to enum type.
        * tree-complex.c (complex_lattice_t): Typedef to int rather than
        enum type.
        (expand_complex_libcall): Add casts to enum type.
        * tree-into-ssa.c (get_ssa_name_ann): Change 0 to enum constant.
        * tree-vect-loop.c (vect_model_reduction_cost): Compare reduc_code
        with ERROR_MARK, not NUM_TREE_CODES.
        (vect_create_epilog_for_reduction): Likewise.
        (vectorizable_reduction): Don't initialize epiloc_reduc_code.
        When not using it, set it to ERROR_MARK rather than NUM_TREE_CODES.
        * tree-vect-patterns.c (vect_pattern_recog_1): Change vec_mode to
        enum machine_mode.
        * tree-vect-stmts.c (new_stmt_vec_info): Change 0 to
        vect_unused_in_loop.  Change 0 to loop_vect.
        * tree-vectorizer.c (vect_set_verbosity_level): Add casts to enum type.
        * var-tracking.c (get_init_value): Change return type to enum
        var_init_status.
        * vec.h (DEF_VEC_FUNC_P) [iterate]: Cast 0 to type T.
        * config/arm/arm.c (fp_model_for_fpu): Change to array to enum
        arm_fp_model.
        (arm_override_options): Add casts to enum type.
        (arm_emit_tls_decoration): Likewise.
        * config/i386/i386.c (ix86_function_specific_restore): Add casts
        to enum type.
        * config/i386/i386-c.c (ix86_pragma_target_parse): Likewise.
        * config/ia64/ia64.c (ia64_expand_compare): Change magic to int.
        * config/rs6000/rs6000.c (rs6000_override_options): Add casts to
        enum type.
        * config/s390/s390.c (code_for_builtin_64): Change to array of
        enum insn_code.
        (code_for_builtin_31): Likewise.
        (s390_expand_builtin): Change code_for_builtin to enum insn_code
        const *.
        * config/sparc/sparc.c (sparc_override_options): Change value
        field in struct code_model to enum cmodel.  In initializer change
        0 to NULL and add cast to enum type.

        * c-typeck.c (build_modify_expr): Add lhs_origtype parameter.
        Change all callers.  Issue a -Wc++-compat warning using
        lhs_origtype if necessary.
        (convert_for_assignment): Issue -Wc++-compat warnings about
        invalid conversions to enum type on assignment.
        * c-common.h (build_modify_expr): Update declaration.

2009-04-24  Nick Clifton  <nickc@redhat.com>

        * config/iq2000/iq2000.c (function_arg): Handle TImode values.
        (function_arg_advance): Likewise.
        * config/iq2000/iq2000.md (movsi_internal2): Fix the length of the
        5th alternative.

2009-04-24  Andreas Krebbel  <krebbel1@de.ibm.com>

        * config/s390/constraints.md ('I', 'J'): Fix condition.

2009-04-24  Diego Novillo  <dnovillo@google.com>

        * gengtype-parse.c (parse_error): Add newline after message.

2009-04-24  H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/sse.md (avxmodesuffixs): Removed.
        (*avx_pinsr<avxmodesuffixs>): Renamed to ...
        (*avx_pinsr<ssevecsize>): This.

2009-04-24  Bernd Schmidt  <bernd.schmidt@analog.com>

        * loop-iv.c (replace_single_def_regs): Look for REG_EQUAL notes;
        follow chains of regs with a single definition, and allow expressions
        that are function_invariant_p.
        (simple_rhs_p): Allow expressions that are function_invariant_p.

2009-04-24  Paolo Bonzini  <bonzini@gnu.org>

        PR middle-end/39867
        * fold-const.c (fold_cond_expr_with_comparison): When folding
        > and >= to MAX, make sure the MAX uses the same type as the
        comparison's operands.

2009-04-24  Nick Clifton  <nickc@redhat.com>

        * config/frv/frv.c (frv_frame_access): Do not use reg+reg
        addressing for DImode accesses.
        (frv_print_operand_address): Handle PLUS case.
        * config/frv/frv.h (FIXED_REGISTERS): Mark link register as fixed.

2009-04-24  Jakub Jelinek  <jakub@redhat.com>

        PR rtl-optimization/39794
        * alias.c (canon_true_dependence): Add x_addr argument.
        * rtl.h (canon_true_dependence): Adjust prototype.
        * cse.c (check_dependence): Adjust canon_true_dependence callers.
        * cselib.c (cselib_invalidate_mem): Likewise.
        * gcse.c (compute_transp): Likewise.
        * dse.c (scan_reads_nospill): Likewise.
        (record_store, check_mem_read_rtx): Likewise.  For non-const-or-frame
        addresses pass base->val_rtx as mem_addr, for const-or-frame addresses
        canon_base_addr of the group, plus optional offset.
        (struct group_info): Rename canon_base_mem to
        canon_base_addr.
        (get_group_info): Set canon_base_addr to canon_rtx of base, not
        canon_rtx of base_mem.

2009-04-23  Paolo Bonzini  <bonzini@gnu.org>

        * config/sh/sh.c (sh_expand_prologue, sh_expand_epilogue):
        Use memory_address_p instead of GO_IF_LEGITIMATE_ADDRESS.

2009-04-23  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>

        * config/spu/spu-builtins.h: Delete file.

        * config/spu/spu.h (enum spu_builtin_type): Move here from
        spu-builtins.h.
        (struct spu_builtin_description): Likewise.  Add GTY marker.
        Do not use enum spu_function_code or enum insn_code.
        (spu_builtins): Add extern declaration.

        * config/spu/spu.c: Do not include "spu-builtins.h".
        (enum spu_function_code, enum spu_builtin_type_index,
        V16QI_type_node, V8HI_type_node, V4SI_type_node, V2DI_type_node,
        V4SF_type_node, V2DF_type_node, unsigned_V16QI_type_node,
        unsigned_V8HI_type_node, unsigned_V4SI_type_node,
        unsigned_V2DI_type_node): Move here from spu-builtins.h.
        (spu_builtin_types): Make static.  Add GTY marker.
        (spu_builtins): Add extern declaration with GTY marker.
        Include "gt-spu.h".

        * config/spu/spu-c.c: Do not include "spu-builtins.h".
        (spu_resolve_overloaded_builtin): Do not use spu_function_code.
        Check programmatically whether all parameters are scalar.

        * config/spu/t-spu-elf (spu.o, spu-c.o): Update dependencies.

2009-04-23  Eric Botcazou  <ebotcazou@adacore.com>

        * gimplify.c (gimplify_modify_expr_rhs) <VAR_DECL>: Do not do a direct
        assignment from the constructor either if the target is volatile.

2009-04-23  Daniel Jacobowitz  <dan@codesourcery.com>

        * config/arm/arm.md (insv): Do not share operands[0].

2009-04-23  Nathan Sidwell  <nathan@codesourcery.com>

        * config/vxlib-tls.c (active_tls_threads): Delete.
        (delete_hook_installed): New.
        (tls_delete_hook): Don't delete the delete hook.
        (tls_destructor): Delete it here.
        (__gthread_set_specific): Adjust installing the delete hook.
        (tls_delete_hook): Use __gthread_enter_tsd_dtor_context and
        __gthread_leave_tsd_dtor_context.

2009-04-23  Rafael Avila de Espindola  <espindola@google.com>

        * c-format.c (gcc_tdiag_char_table): Add support for %E.

2009-04-23  Uros Bizjak  <ubizjak@gmail.com>

        * config/alpha/alpha.c (alpha_legitimize_reload_address): Add cast to
        enum type.
        (alpha_rtx_costs): Ditto.
        (emit_unlikely_jump): Use add_reg_note.
        (emit_frame_store_1): Ditto.
        (alpha_expand_prologue): Ditto.
        (alpha_expand_builtin): Change 0 to EXPAND_NORMAL in function call.
        * config/alpha/alpha.c (Unicos/Mk address splitter): Use add_reg_note.

2009-04-23  Nick Clifton  <nickc@redhat.com>

        * config/v850/v850.md (epilogue): Remove suppressed code.
        (return): Rename to return_simple and remove test of frame size.
        * config/v850/v850.c (expand_epilogue): Rename call to gen_return
        to gen_return_simple.

2009-04-22  Jing Yu  <jingyu@google.com>

        PR testsuite/39781
        * config/arm/arm.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.

2009-04-22  Andrew Pinski  <andrew_pinski@playstation.sony.com>

        PR C/31499
        * c-typeck.c (process_init_element): Treat VECTOR_TYPE like ARRAY_TYPE
        and RECORD_TYPE/UNION_TYPE.  When outputing the actual element and the
        value is a VECTOR_CST, the element type is the element type of the
        vector.

2009-04-22  DJ Delorie  <dj@redhat.com>

        * config/m32c/m32c.h: Update GTY annotations to new syntax.

2009-04-22  Jakub Jelinek  <jakub@redhat.com>

        * alias.c (find_base_term): Move around LO_SUM case, so that
        CONST falls through into PLUS/MINUS handling.

        PR c/39855
        * fold-const.c (fold_binary) <case LSHIFT_EXPR>: When optimizing
        into 0, use omit_one_operand.

2009-04-23  Ben Elliston  <bje@au.ibm.com>

        * config/rs6000/linux-unwind.h (get_regs): Remove type
        puns. Change the type of `pc' to an array of unsigned ints and
        update all users.  Constify frame24.

2009-04-22  DJ Delorie  <dj@redhat.com>

        * config/m32c/m32c.c (m32c_special_page_vector_p): Move
        declarations before code.
        (current_function_special_page_vector): Likewise.
        (m32c_expand_insv): Silence a warning.

2009-04-21  Taras Glek  <tglek@mozilla.com>

        * alias.c: Update GTY annotations to new syntax.
        * basic-block.h: Likewise.
        * bitmap.h: Likewise.
        * c-common.h: Likewise.
        * c-decl.c: Likewise.
        * c-parser.c: Likewise.
        * c-pragma.c: Likewise.
        * c-tree.h: Likewise.
        * cfgloop.h: Likewise.
        * cgraph.h: Likewise.
        * config/alpha/alpha.c: Likewise.
        * config/arm/arm.h: Likewise.
        * config/avr/avr.h: Likewise.
        * config/bfin/bfin.c: Likewise.
        * config/cris/cris.c: Likewise.
        * config/darwin.c: Likewise.
        * config/frv/frv.c: Likewise.
        * config/i386/i386.c: Likewise.
        * config/i386/i386.h: Likewise.
        * config/i386/winnt.c: Likewise.
        * config/ia64/ia64.h: Likewise.
        * config/iq2000/iq2000.c: Likewise.
        * config/mips/mips.c: Likewise.
        * config/mmix/mmix.h: Likewise.
        * config/pa/pa.c: Likewise.
        * config/pa/pa.h: Likewise.
        * config/rs6000/rs6000.c: Likewise.
        * config/s390/s390.c: Likewise.
        * config/sparc/sparc.c: Likewise.
        * config/xtensa/xtensa.c: Likewise.
        * cselib.h: Likewise.
        * dbxout.c: Likewise.
        * dwarf2out.c: Likewise.
        * except.c: Likewise.
        * except.h: Likewise.
        * fixed-value.h: Likewise.
        * function.c: Likewise.
        * function.h: Likewise.
        * gimple.h: Likewise.
        * integrate.c: Likewise.
        * optabs.c: Likewise.
        * output.h: Likewise.
        * real.h: Likewise.
        * rtl.h: Likewise.
        * stringpool.c: Likewise.
        * tree-data-ref.c: Likewise.
        * tree-flow.h: Likewise.
        * tree-scalar-evolution.c: Likewise.
        * tree-ssa-address.c: Likewise.
        * tree-ssa-alias.h: Likewise.
        * tree-ssa-operands.h: Likewise.
        * tree.c: Likewise.
        * tree.h: Likewise.
        * varasm.c: Likewise.
        * varray.h: Likewise.
        * vec.h: Likewise.
        * coretypes.h: Do not define GTY macro if it is already defined.
        * doc/gty.texi: Update GTY documentation to new syntax.
        * gengtype-lex.l: Enforce attribute-like syntax for GTY
        annotations on structs.
        * gengtype-parse.c: Likewise.

2009-04-22  Mark Heffernan  <meheff@google.com>

        * gcc.c (LINK_COMMAND_SPEC): Link with gcov with -fprofile-generate=.

2009-04-22  Kazu Hirata  <kazu@codesourcery.com>

        * config/arm/arm.c (arm_rtx_costs_1): Use power_of_two_operand
        where appropriate.

2009-04-22  Kazu Hirata  <kazu@codesourcery.com>

        * config/arm/arm.c (arm_size_rtx_costs): Treat a PLUS with a shift
        the same as a PLUS without a shift.  Increase the cost of a
        CONST_INT in MULT.

2009-04-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>

        * Makefile.in: Update dependencies.
        * errors.c (warning): Remove unused parameter 'opt'. Returns 'void'.
        * errors.h: Remove bogus comment about compatibility.
        (warning): Update declaration.
        * genautomata.c: Update all calls to warning.
        * gimple.c: Do not include errors.h. Include toplev.h.
        * tree-ssa-structalias.c: Do not include errors.h.
        * omega.c: Likewise.
        * tree-ssa-reassoc.c: Likewise.
        * config/spu/spu-c.c: Likewise.
        * config/spu/t-spu-elf: Update dependencies.

2009-04-22  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/39824
        * tree-ssa-ccp.c (fold_const_aggregate_ref): For INDIRECT_REFs
        make sure the types are compatible.

2009-04-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>

        PR c++/14875
        * c-common.c (c_parse_error): Take a token_flags parameter.
        Use token_type for the token type instead.
        Pass token_flags to cpp_type2name.
        * c-common.h (c_parse_error): Update declaration.
        * c-parser.c (c_parser_error): Pass 0 as token flags.

2009-04-22  Andrey Belevantsev  <abel@ispras.ru>

        PR rtl-optimization/39580
        * sel-sched-ir.c (insert_in_history_vect): Remove incorrect gcc_assert.

2009-04-22  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>

        * function.c (expand_function_end): Do not emit a jump to the "naked"
        return label for fall-through returns.
        * except.c (sjlj_emit_function_exit): Always place the call to the
        unregister function at the location installed by expand_function_end.

2009-04-22  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/39845
        * tree-switch-conversion.c (build_arrays): Add new referenced vars.
        (gen_inbound_check): Likewise.

2009-04-22  Nathan Sidwell  <nathan@codesourcery.com>

        * gthr-vxworks.h (struct __gthread_once_t): Add alignment and
        padding for PPC.
        (__GTHREAD_ONCE_INIT): Adjust ppc initializer.
        * config/vxlib.c (__gthread_once): Add race guard for PPC.

2009-04-22  Paolo Bonzini  <bonzini@gnu.org>

        * config/sh/sh.c (shift_insns_rtx, shiftcosts, gen_shifty_op,
        sh_dynamicalize_shift_p, shl_and_scr_length): Truncate
        shift counts to avoid out-of-bounds array accesses.

2009-04-22  Paolo Bonzini  <bonzini@gnu.org>

        * config/sparc/sparc.h (POINTER_SIZE): Fix comment.
        (Pmode): Move above.

2009-04-22  Uros Bizjak  <ubizjak@gmail.com>

        * config/alpha/alpha.c: Use REG_P, MEM_P, CONST_INT_P, JUMP_P,
        NONJUMP_INSN_P, CALL_P, LABEL_P and NOTE_P predicates instead of
        GET_CODE macro.  Use IN_RANGE macro where appropriate.
        * config/alpha/alpha.h: Ditto.
        * config/alpha/alpha.md: Ditto.
        * config/alpha/constraints.md: Ditto.
        * config/alpha/predicates.md: Ditto.

2009-04-22  Paolo Bonzini  <bonzini@gnu.org>

        * defaults.h (GO_IF_MODE_DEPENDENT_ADDRESS): Provide empty default.
        * config/frv/frv.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
        * config/s390/s390.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
        * config/m32c/m32c.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
        * config/spu/spu.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
        * config/i386/i386.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
        * config/sh/sh.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
        * config/pdp11/pdp11.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
        * config/avr/avr.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
        * config/crx/crx.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
        * config/fr30/fr30.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
        * config/m68hc11/m68hc11.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
        * config/cris/cris.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
        * config/iq2000/iq2000.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
        * config/mn10300/mn10300.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
        * config/ia64/ia64.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
        * config/m68k/m68k.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
        * config/picochip/picochip.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
        * config/arc/arc.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
        * config/mcore/mcore.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
        * config/score/score.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
        * config/arm/arm.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
        * config/pa/pa.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
        * config/mips/mips.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
        * config/v850/v850.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
        * config/mmix/mmix.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
        * config/bfin/bfin.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.

2009-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>

        * cfghooks.c (tidy_fallthru_edges): Remove find_basic_blocks
        references from comments.
        * cfgbuild.c: (count_basic_blocks): Delete.
        (find_basic_blocks_1): Delete.
        (find_basic_blocks): Delete.
        * except.c (finish_eh_generation): Make static.  Move comment from
        except.h here.  Remove find_basic_blocks references from comments.
        * except.h (finish_eh_generation): Delete.
        * basic-block.h (find_basic_blocks): Delete.
        * config/sh/sh.c (sh_output_mi_thunk): Delete a "#if 0" block.

2009-04-22  Dave Korn  <dave.korn.cygwin@gmail.com>

        * sdbout.c (sdbout_symbol):  Pass VOIDmode to eliminate_regs.
        (sdbout_parms):  Likewise.

2009-04-21  Kaz Kojima  <kkojima@gcc.gnu.org>

        * config/sh/sh.c (prepare_cbranch_operands): Use
        LAST_AND_UNUSED_RTX_CODE instead of CODE_FOR_nothing.
        (expand_cbranchdi4): Likewise.
        (from_compare): Add cast to enum type.
        (expand_cbranchsi4): Use add_reg_note.
        (output_stack_adjust, push, pop, sh_expand_prologue): Likewise.
        (sh_insn_length_adjustment): Use sh_cpu_attr instead of sh_cpu.
        (sh_initialize_trampoline): Change 0 to LCT_NORMAL in function call.
        (sh_expand_builtin): Change 0 to EXPAND_NORMAL in function call.
        * config/sh/sh.md (cbranchsi4): Use LAST_AND_UNUSED_RTX_CODE
        instead of CODE_FOR_nothing.
        (cbranchdi4): Likewise.  Fix the order of arguments for
        gen_rtx_fmt_ee.
        (push_fpscr): Use add_reg_note.
        (pop_fpscr, movdf_i4+1, reload_outdf__RnFRm+3, reload_outdf__RnFRm+4,
        reload_outdf__RnFRm+5, fpu_switch+1, fpu_switch+2): Likewise.

2009-04-21  Joseph Myers  <joseph@codesourcery.com>

        * ABOUT-GCC-NLS, ChangeLog, ChangeLog-1997, ChangeLog-1998,
        ChangeLog-1999, ChangeLog-2000, ChangeLog-2001, ChangeLog-2002,
        ChangeLog-2003, ChangeLog-2004, ChangeLog-2005, ChangeLog-2006,
        ChangeLog-2007, ChangeLog-2008, ChangeLog.dataflow, ChangeLog.lib,
        ChangeLog.ptr, ChangeLog.tree-ssa, ChangeLog.tuples, FSFChangeLog,
        FSFChangeLog.10, FSFChangeLog.11, LANGUAGES, ONEWS, acinclude.m4,
        config/alpha/gnu.h, config/alpha/libgcc-alpha-ldbl.ver,
        config/alpha/t-osf4, config/alpha/t-vms, config/alpha/va_list.h,
        config/alpha/x-vms, config/arc/t-arc,
        config/arm/README-interworking, config/arm/arm-c.c,
        config/arm/gentune.sh, config/arm/libgcc-bpabi.ver,
        config/arm/t-arm, config/arm/t-arm-elf, config/arm/t-arm-softfp,
        config/arm/t-bpabi, config/arm/t-linux, config/arm/t-linux-eabi,
        config/arm/t-netbsd, config/arm/t-pe, config/arm/t-strongarm-elf,
        config/arm/t-symbian, config/arm/t-vxworks, config/arm/t-wince-pe,
        config/avr/t-avr, config/bfin/elf.h, config/bfin/libgcc-bfin.ver,
        config/bfin/linux.h, config/bfin/t-bfin, config/bfin/t-bfin-elf,
        config/bfin/t-bfin-linux, config/bfin/t-bfin-uclinux,
        config/bfin/uclinux.h, config/cris/mulsi3.asm, config/cris/t-cris,
        config/cris/t-elfmulti, config/crx/t-crx,
        config/darwin-ppc-ldouble-patch.def, config/darwin-sections.def,
        config/divmod.c, config/fr30/t-fr30, config/frv/libgcc-frv.ver,
        config/frv/t-frv, config/frv/t-linux, config/h8300/genmova.sh,
        config/h8300/t-h8300, config/i386/athlon.md,
        config/i386/darwin-libgcc.10.4.ver,
        config/i386/darwin-libgcc.10.5.ver, config/i386/libgcc-glibc.ver,
        config/i386/mach.h, config/i386/netbsd.h, config/i386/t-crtpc,
        config/i386/t-cygming, config/i386/t-cygwin, config/i386/t-i386,
        config/i386/t-linux64, config/i386/t-nwld,
        config/i386/t-rtems-i386, config/i386/t-sol2-10,
        config/i386/x-mingw32, config/ia64/div.md, config/ia64/elf.h,
        config/ia64/ia64.opt, config/ia64/libgcc-glibc.ver,
        config/ia64/libgcc-ia64.ver, config/ia64/linux.h,
        config/ia64/sysv4.h, config/ia64/t-hpux, config/ia64/t-ia64,
        config/iq2000/abi, config/iq2000/lib2extra-funcs.c,
        config/iq2000/t-iq2000, config/libgcc-glibc.ver,
        config/m32r/libgcc-glibc.ver, config/m32r/t-linux,
        config/m32r/t-m32r, config/m68hc11/t-m68hc11,
        config/m68k/t-floatlib, config/m68k/t-linux, config/m68k/t-mlibs,
        config/m68k/t-uclinux, config/mcore/t-mcore,
        config/mcore/t-mcore-pe, config/mips/20kc.md, config/mips/4130.md,
        config/mips/5400.md, config/mips/5500.md, config/mips/crti.asm,
        config/mips/crtn.asm, config/mips/irix-crti.asm,
        config/mips/irix-crtn.asm, config/mips/libgcc-mips16.ver,
        config/mips/mips-dsp.md, config/mips/mips-dspr2.md,
        config/mips/mips-fixed.md, config/mips/sb1.md,
        config/mips/sr71k.md, config/mips/t-elf, config/mips/t-gofast,
        config/mips/t-iris6, config/mips/t-isa3264,
        config/mips/t-libgcc-mips16, config/mips/t-linux64,
        config/mips/t-mips, config/mips/t-r3900, config/mips/t-rtems,
        config/mips/t-sb1, config/mips/t-sde, config/mips/t-sdemtk,
        config/mips/t-slibgcc-irix, config/mips/t-sr71k, config/mips/t-st,
        config/mips/t-vr, config/mips/t-vxworks, config/mmix/t-mmix,
        config/mn10300/t-linux, config/mn10300/t-mn10300,
        config/pa/pa32-regs.h, config/pa/t-hpux-shlib, config/pa/t-linux,
        config/pa/t-linux64, config/pa/t-pa64, config/pdp11/t-pdp11,
        config/picochip/libgccExtras/clzsi2.asm,
        config/picochip/t-picochip, config/rs6000/darwin-ldouble-format,
        config/rs6000/darwin-libgcc.10.4.ver,
        config/rs6000/darwin-libgcc.10.5.ver,
        config/rs6000/libgcc-ppc-glibc.ver, config/rs6000/ppc-asm.h,
        config/rs6000/t-aix43, config/rs6000/t-aix52,
        config/rs6000/t-darwin, config/rs6000/t-fprules,
        config/rs6000/t-fprules-fpbit, config/rs6000/t-linux64,
        config/rs6000/t-lynx, config/rs6000/t-netbsd,
        config/rs6000/t-ppccomm, config/rs6000/t-ppcendian,
        config/rs6000/t-ppcgas, config/rs6000/t-rs6000,
        config/rs6000/t-rtems, config/rs6000/t-spe,
        config/rs6000/t-vxworks, config/s390/libgcc-glibc.ver,
        config/score/t-score-elf, config/sh/divcost-analysis,
        config/sh/libgcc-glibc.ver, config/sh/t-netbsd, config/sh/t-sh,
        config/sh/t-sh64, config/sh/t-superh, config/sh/t-symbian,
        config/sparc/libgcc-sparc-glibc.ver, config/sparc/sol2-bi.h,
        config/sparc/sol2-gas.h, config/sparc/sol2-gld-bi.h,
        config/sparc/t-elf, config/sparc/t-linux64, config/sparc/t-sol2,
        config/stormy16/stormy-abi, config/stormy16/t-stormy16,
        config/t-darwin, config/t-libunwind, config/t-libunwind-elf,
        config/t-linux, config/t-lynx, config/t-slibgcc-elf-ver,
        config/t-slibgcc-sld, config/t-sol2, config/t-vxworks,
        config/udivmod.c, config/udivmodsi4.c, config/v850/t-v850,
        config/v850/t-v850e, config/xtensa/t-xtensa, diagnostic.def,
        gdbinit.in, glimits.h, gstab.h, gsyms.h, java/ChangeLog,
        java/ChangeLog.ptr, java/ChangeLog.tree-ssa, libgcc-std.ver,
        limitx.h, version.c, xcoff.h: Add copyright and license notices.
        * config/h8300/genmova.sh: Include copyright and license notices
        in generated output.
        * config/h8300/mova.md: Regenerate.
        * doc/install.texi2html: Include word "Copyright" in copyright
        notice and use name "Free Software Foundation, Inc.".
        * ChangeLog, ChangeLog-2000, ChangeLog-2001, ChangeLog-2002,
        ChangeLog-2003, ChangeLog-2004, ChangeLog-2005, ChangeLog-2006,
        ChangeLog-2007, ChangeLog-2008: Correct dates.

2009-04-21  Eric Botcazou  <ebotcazou@adacore.com>

        * c-common.c (c_common_truthvalue_conversion): Use LOCATION to build
        NE_EXPR operations as well.
        * c-parser.c (c_parser_condition): Do not set location information on
        the condition.
        (c_parser_conditional_expression): Likewise.
        (c_parser_binary_expression): Set location information on operators.
        * c-typeck.c (build_unary_op) <TRUTH_NOT_EXPR>: Reset the location if
        TRUTH_NOT_EXPR has been folded.
        * fold-const.c (fold_truth_not_expr): Copy location information from
        the incoming expression to the outgoing one.
        * gimplify.c (shortcut_cond_r): Add locus parameter.  Pass it to
        recursive calls on the LHS of the operator but pass that of the
        operator to recursive calls on the RHS of the operator.  Set it
        on the COND_EXPR.
        (shortcut_cond_expr): Set the locus of the operator on the second
        COND_EXPR and that of the expression on the first in degenerate cases.
        Pass the locus of the expression to calls to shortcut_cond_r.
        Set the locus of the 'then' block on the associated jump, if any.
        (gimplify_boolean_expr): Add locus parameter.  Set it on the COND_EXPR.
        (gimplify_expr) <TRUTH_ANDIF_EXPR>: Pass the locus of the outer
        expression to call to gimplify_boolean_expr.

2009-04-21  Kai Tietz  <kai.tietz@onevision.com>

        * config.gcc: Add additional configuration for
        i686-w64-mingw* and x86_64-w64-mingw* triplet.
        * config/i386/mingw-w64.h: New mingw-w64 specific header.
        (CPP_SPEC): Redefine for allowing -municode option.
        (STARTFILE_SPEC): Likewise.
        * config/i386/t-mingw-w64: New.
        * config/i386/mingw-w64.opt: New.
        (municode): Add new target option.
        * doc/invoke.texi (municode): Add documentation for new option.

2009-04-21  Ian Lance Taylor  <iant@google.com>

        * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
        Correct test for number of arguments.
        * config/spu/spu-c.c (spu_resolve_overloaded_builtin): Likewise.

2009-04-21  Andreas Schwab  <schwab@linux-m68k.org>

        * config/m68k/linux.h (FINALIZE_TRAMPOLINE): Use enum for second
        argument of emit_library_call.

2009-04-21  Richard Guenther  <rguenther@suse.de>

        PR middle-end/39829
        * gimple.c (walk_stmt_load_store_addr_ops): Catch addresses
        inside VIEW_CONVERT_EXPRs.

2009-04-21  Martin Jambor  <mjambor@suse.cz>

        * tree-switch-conversion.c (build_constructors): Split a long line.
        (constructor_contains_same_values_p): New function.
        (build_one_array): Create assigns of constants if possible, do not
        call mark_sym_for_renaming, call update_stmt.
        (build_arrays): Call make_ssa_name (create_tmp_var ()) instead of
        make_rename_temp.  Do not call mark_symbols_for_renaming, call
        update_stmt.
        (gen_def_assigns): Do not call mark_symbols_for_renaming or
        find_new_referenced_vars, call update_stmt.
        (gen_inbound_check): Use create_tmp_var and create ssa names manually
        instead of calling make_rename_temp.  Do not call
        find_new_referenced_vars or mark_symbols_for_renaming, call
        update_stmt.

2009-04-21  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/39827
        * tree-ssa-phiprop.c (propagate_with_phi): Check SSA_NAME is in range.
        (tree_ssa_phiprop): Pass the correct array size.

2009-04-21  Uros Bizjak  <ubizjak@gmail.com>

        * config/alpha/alpha.md (tune): Add cast to enum attr_tune.

2009-04-21  Manuel López-Ibáñez  <manu@gcc.gnu.org>

        PR 16202
        * c-typeck.c (lvalue_p): Move declaration ...
        * c-common.h (lvalue_p): ... to here.
        * c-common.c (candidate_equal_p): New.
        (add_tlist): Use it.
        (merge_tlist): Use it.
        (warn_for_collisions_1): Likewise.
        (warning_candidate_p): Accept more candidates.
        (verify_tree): A warning candidate can be an expression. Use
        candidate_equal_p.

2009-04-21  Ben Elliston  <bje@au.ibm.com>

        PR target/5267
        * doc/invoke.texi (RS/6000 and PowerPC Options): Add documentation
        for -mcall-eabi, -mcall-aixdesc, -mcall-freebsd and -mcall-openbsd
        options.  Remove -mcall-solaris documentation.

2009-04-21  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>

        PR c++/13358
        * doc/invoke.texi (-Wlong-long): Update description.
        * c-lex (interpret_integer): Only warn if there was no previous
        overflow and -Wlong-long is enabled.
        * c-decl.c (declspecs_add_type): Drop redundant flags.
        * c.opt (Wlong-long): Init to -1.
        * c-opts.c (sanitize_cpp_opts): Synchronize cpp's warn_long_long
        and front-end warn_long_long. Wlong-long only depends on other
        flags if it is uninitialized.
        * c-parser.c (disable_extension_diagnostics): warn_long_long is
        the same for CPP and FE.
        (restore_extension_diagnostics): Likewise.

2009-04-20  Ian Lance Taylor  <iant@google.com>

        Fix enum conversions which are invalid in C++:
        * auto-inc-dec.c (attempt_change): Change 0 to SET in function call.
        * calls.c (store_one_arg): Change 0 to EXPAND_NORMAL in function call.
        * cse.c (hash_rtx_cb): Change 0 to VOIDmode in function call.
        * dbgcnt.c (dbg_cnt_set_limit_by_name): Add cast to enum type.
        * dbxout.c (dbxout_symbol): Change 0 to VOIDmode in function call.
        (dbxout_parms): Likewise.
        * df-core.c (df_set_flags): Change changeable_flags parameter to int.
        (df_clear_flags): Likewise.
        * df-problems.c (df_rd_bb_local_compute_process_def): Change
        top_flag parameter to int.
        (df_chain_create_bb_process_use): Likewise.
        (df_chain_add_problem): Change chain_flags parameter to unsigned int.
        Remove cast.
        * df-scan.c (df_ref_create): Change ref_flags parameter to int.
        (df_ref_create_structure, df_def_record_1): Likewise.
        (df_defs_record, df_uses_record, df_get_call_refs): Likewise.
        (df_notes_rescan): Change 0 to VOIDmode in function call.
        (df_get_call_refs, df_insn_refs_collect): Likewise.
        (df_bb_regs_collect): Likewise.
        (df_entry_block_defs_collect): Likewise.
        (df_exit_block_uses_collect): Likewise.
        * df.h: Update declarations.
        * double-int.c (double_int_divmod): Add cast to enum type.
        * dse.c (replace_inc_dec): Reverse parameters to gen_int_mode.
        * dwarf2out.c (new_reg_loc_descr): Add casts to enum type.
        (based_loc_descr): Likewise.
        (loc_descriptor_from_tree_1): Change first_op and second_op to
        enum dwarf_location_atom.  Add cast to enum type.
        * expmed.c (init_expmed): Change 0 to SET in function call.
        * expr.c (init_expr_target): Change 0 to VOIDmode in function call.
        (expand_expr_real_1): Change 0 to EXPAND_NORMAL in function call.
        (do_store_flag): Likewise.
        * fixed-value.h (struct fixed_value): Change mode to enum
        machine_mode.
        * function.c (assign_parms): Change 0 to VOIDmode in function call.
        * genautomata.c (insert_automaton_decl): Change 1 to INSERT in
        function call.
        (insert_insn_decl, insert_decl, insert_state): Likewise.
        (automata_list_finish): Likewise.
        * genrecog.c (process_define_predicate): Add cast to enum type.
        * gensupport.c (init_predicate_table): Add cast to enum type.
        * gimple.c (gimple_build_return): Change 0 to ERROR_MARK in
        function call.
        (gimple_build_call_1, gimple_build_label): Likewise.
        (gimple_build_goto, gimple_build_asm_1): Likewise.
        (gimple_build_switch_1, gimple_build_cdt): Likewise.
        * gimple.h (GIMPLE_CHECK): Change 0 to ERROR_MARK in function call.
        (enum fallback): Rename from enum fallback_t.
        (fallback_t): Typedef as int.
        * gimple-low.c (lower_builtin_setjmp): Change TSI_SAME_STMT to
        GSI_SAME_STMT in function call.
        * ira.c (setup_class_subset_and_memory_move_costs): Add casts to
        enum type.
        (setup_reg_class_relations): Likewise.
        (setup_reg_class_nregs): Change cl to int.  Add casts to enum type.
        (setup_prohibited_class_mode_regs): Add cast to enum type.
        (setup_prohibited_mode_move_regs): Likewise.
        * ira-costs.c (record_reg_classes): Change rclass to enum reg_class.
        (record_address_regs): Change i to enum reg_class.
        * lists.c (alloc_EXPR_LIST): Add cast to enum type.
        * machmode.h (GET_MODE_CLASS): Cast value to enum mode_class.
        (GET_MODE_WIDER_MODE): Cast value to enum machine_mode.
        (GET_MODE_2XWIDER_MODE): Likewise.
        (GET_CLASS_NARROWEST_MODE): Likewise.
        * omp-low.c (expand_omp_for): Add cast to enum type.
        * optabs.c (debug_optab_libfuncs): Add casts to enum type.
        * opts.c (enable_warning_as_error): Change kind to diagostic_t.
        * postreload.c (reload_cse_simplify_operands): Change rclass local
        to enum reg_class.
        * predict.c (combine_predictions_for_insn): Change best_predictor
        and predictor to enum br_predictor.
        (combine_predictions_for_bb): Likewise.
        (build_predict_expr): Change assignment to PREDICT_EXPR_OUTCOME to
        use SET_PREDICT_EXPR_OUTCOME.
        * real.c (real_arithmetic): Change icode to code in function call.
        * reginfo.c (init_move_cost): Add casts to enum type.
        (init_reg_sets_1, init_fake_stack_mems): Likewise.
        * regmove.c (regclass_compatible_p): Change class0 and class1 to
        enum reg_class.
        * reload.c (find_valid_class): Add casts to enum type.
        (push_reload): Change 0 to NO_REGS in function call.
        (find_reloads): Change this_alternative to array of enum
        reg_class.  Remove some now-unnecessary casts.
        (make_memloc): Change 0 to VOIDmode in function call.
        * reload1.c (reload): Change 0 to VOIDmode in function call.
        (eliminate_regs_1, elimination_effects): Likewise.
        (eliminate_regs_in_insn): Likewise.
        (emit_input_reload_insns): Add cast to enum type.
        (delete_output_reload): Change 0 to VOIDmode in function call.
        * reorg.c (insn_sets_resource_p): Convert include_delayed_effects
        to enum type in function call.
        * tree.h (PREDICT_EXPR_OUTCOME): Add cast to enum type.
        (SET_PREDICT_EXPR_OUTCOME): Define.
        * tree-dump.c (get_dump_file_info): Change phase parameter to int.
        (get_dump_file_name, dump_begin, dump_enabled_p): Likewise.
        (dump_initialized_p, dump_flag_name, dump_end): Likewise.
        (dump_function): Likewise.
        * tree-dump.h: Update declarations.
        * tree-pass.h: Update declarations.
        * varasm.c (assemble_integer): Change mclass to enum mode_class.
        * config/arm/arm.c (thumb_legitimize_reload_address): Add cast to
        enum type.
        (arm_rtx_costs_1): Correct parenthesization.
        (arm_rtx_costs): Add casts to enum type.
        (adjacent_mem_locations): Reverse arguments to const_ok_for_op.
        (vfp_emit_fstmd): Use add_rg_note.
        (emit_multi_reg_push, emit_sfm): Likewise.
        (thumb_set_frame_pointer): Likewise.
        (arm_expand_prologue): Likewise.
        (arm_regno_class): Change return type to enum reg_class.
        (thumb1_expand_prologue): Use add_reg_note.
        * config/arm/arm-protos.h (arm_regno_class): Update declaration.
        * config/arm/arm.h (INITIALIZE_TRAMPOLINE): Change 0 to LCT_NORMAL
        in function call.
        * config/arm/gentune.sh: Add cast to enum type.
        * config/arm/arm-tune.md: Rebuild.
        * config/i386/i386.c (ix86_expand_prologue): Use add_reg_note.
        (ix86_split_fp_branch, predict_jump): Likewise.
        (ix86_expand_multi_arg_builtin): Change sub_code from enum
        insn_code to enum rtx_code.
        (ix86_builtin_vectorized_function): Add cast to enum type.
        * config/i386/i386.md (truncdfsf2): Change slot to enum
        ix86_stack_slot.
        (truncxf<mode>2, isinf<mode>2): Likewise.
        * config/i386/i386-c.c (ix86_pragma_target_parse): Add cast to
        enum type.
        * config/ia64/ia64.c (ia64_split_tmode_move): Use add_reg_note.
        (spill_restore_mem, do_spill, ia64_expand_prologue): Likewise.
        (insert_bundle_state): Change 1 to INSERT in function call.
        (ia64_add_bundle_selector_before): Likewise.
        * config/ia64/ia64.md (cpu attr): Add cast to enum type.
        (save_stack_nonlocal): Change 0 to LCT_NORMAL in function call.
        (restore_stack_nonlocal): Likewise.
        * config/mips/mips.h (MIPS_ICACHE_SYNC): Change 0 to LCT_NORMAL in
        function call.
        * config/mips/mips.c (mips_binary_cost): Change 0 to SET in
        function call.
        (mips_rtx_costs): Likewise.
        (mips_override_options): Add casts to enum type.
        * config/mips/sdemtk.h (MIPS_ICACHE_SYNC): Change 0 to LCT_NORMAL
        in function call.
        * config/pa/pa.c (legitimize_pic_address): Use add_reg_note.
        (store_reg, set_reg_plus_d): Likewise.
        (hppa_expand_prologue, hppa_profile_hook): Likewise.
        * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add
        cast to enum type.
        (altivec_expand_vec_set_builtin): Change 0 to EXPAND_NORMAL in
        function call.
        (emit_unlikely_jump): Use add_reg_note.
        (rs6000_emit_allocate_stack): Likewise.
        (rs6000_frame_related, rs6000_emit_prologue): Likewise.
        (output_toc): Change 1 to INSERT in function call.
        (output_profile_hook): Change 0 to LCT_NORMAL in function call.
        (rs6000_initialize_trampoline): Likewise.
        (rs6000_init_dwarf_reg_sizes_extra): Change 0 to EXPAND_NORMAL in
        function call.
        * config/s390/s390.c (s390_rtx_costs): Add cast to enum type.
        (s390_expand_movmem): Change 0 to OPTAB_DIRECT in function call.
        (s390_expand_setmem, s390_expand_cmpmem): Likewise.
        (save_gprs): Use add_reg_note.
        (s390_emit_prologue): Likewise.
        (s390_expand_builtin): Change 0 to EXPAND_NORMAL in function call.
        * config/sparc/sparc.c (sparc_expand_prologue): Use add_reg_note.
        (sparc_fold_builtin): Add cast to enum type.
        * config/spu/spu.c (spu_emit_branch_or_set): Change ior_code to
        enum insn_code.
        (spu_expand_prologue): Use add_reg_note.
        (expand_builtin_args): Change 0 to EXPAND_NORMAL in function call.

2009-04-20  Ian Lance Taylor  <iant@google.com>

        * c-parser.c (c_parser_attributes): Change VEC back to tree list.
        (c_parser_postfix_expression_after_primary): Get VEC for list of
        arguments.  Get original types of arguments.  Call
        build_function_call_vec.
        (cached_expr_list_1, cached_expr_list_2): New static variables.
        (c_parser_expr_list): Change return type to VEC *.  Add
        p_orig_types parameter.  Change all callers.
        (c_parser_release_expr): New static function.
        (c_parser_vec_to_tree_list): New static function.
        * c-typeck.c (build_function_call): Rewrite to build a VEC and
        call build_function_call_vec.
        (build_function_call_vec): New function, based on old
        build_function_call.
        (convert_arguments): Remove nargs and argarray parameters.  Change
        values to a VEC.  Add origtypes parameter.
        (build_modify_expr): Add rhs_origtype parameter.  Change all callers.
        (convert_for_assignment): Add origtype parameter.  Change all
        callers.  If warn_cxx_compat, check for conversion to an enum
        type when calling a function.
        (store_init_value): Add origtype parameter.  Change all callers.
        (digest_init): Likewise.
        (struct init_node): Add origtype field.
        (add_pending_init): Add origtype parameter.  Change all callers.
        (output_init_element): Likewise.
        (output_pending_init_elements): Pass origtype from init_node to
        output_init_element.
        (process_init_element): Pass origtype from c_expr to
        output_init_element.
        (c_finish_return): Add origtype parameter.  Change all callers.
        * c-common.c (sync_resolve_size): Change params to VEC *.  Change
        caller.
        (sync_resolve_params): Likewise.
        (sync_resolve_return): Change params to first_param.  Change caller.
        (resolve_overloaded_builtins): Change params to VEC *.  Change
        callers.  Save first parameter around call to build_function_call_vec.
        * c-decl.c (finish_decl): Add origtype parameter.  Change all
        callers.  Call build_function_call_vec rather than
        build_function_call for cleanup.
        * c-tree.h: Update declarations.
        * c-common.h: Update declarations.
        * stub-objc.c (objc_rewrite_function_call): Change parameter from
        params to first_param.
        * target.h (struct gcc_target): Change resolve_overloaded_builtin
        params parameter from tree to void *.
        * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
        Change arglist parameter to have type void *, and to be a pointer
        to a VEC.
        * config/rs6000/rs6000-protos.h
        (altivec_resolve_overloaded_builtin): Update declaration.
        * config/spu/spu-c.c (spu_resolved_overloaded_builtin): Change
        fnargs parameter to have type void *, and to be a pointer to a
        VEC.  Call build_function_call_vec instead of
        build_function_call.
        * config/spu/spu-protos.h (spu_expand_builtin): Update declaration.

2009-04-20  Joey Ye  <joey.ye@intel.com>
            Xuepeng Guo  <xuepeng.guo@intel.com>
            H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/atom.md: Add bypasses with ix86_dep_by_shift_count.

        * config/i386/i386.c (LEA_SEARCH_THRESHOLD): New macro.
        (IX86_LEA_PRIORITY): Likewise.
        (distance_non_agu_define): New function.
        (distance_agu_use): Likewise.
        (ix86_lea_for_add_ok): Likewise.
        (ix86_dep_by_shift_count): Likewise.

        * config/i386/i386.md: Call ix86_lea_for_add_ok to decide we
        should split for LEA.

        * config/i386/i386-protos.h (ix86_lea_for_add_ok): Declare new
        function.
        (ix86_dep_by_shift_count): Likewise.

2009-04-20  Richard Guenther  <rguenther@suse.de>

        * expr.c (handled_component_p): Move ...
        * tree.h (handled_component_p): ... here.
        * tree.def: Re-order BIT_FIELD_REF, COMPONENT_REF,
        ARRAY_REF, ARRAY_RANGE_REF, VIEW_CONVERT_EXPR, IMAGPART_EXPR
        and REALPART_EXPR to be in one group.

2009-04-20  Richard Guenther  <rguenther@suse.de>

        * basic-block.h (get_all_dominated_blocks): Declare.
        * dominance.c (get_all_dominated_blocks): New function.
        * tree-cfg.c (get_all_dominated_blocks): Remove.
        (remove_edge_and_dominated_blocks): Adjust.
        * tree-ssa-phiprop.c (tree_ssa_phiprop_1): Fold in ...
        (tree_ssa_phiprop): ... here.  Use get_all_dominated_blocks
        instead of recursing.

2009-04-20  Doug Kwan  <dougkwan@google.com>

        * cgraph.h (cgraph_node_ptr): New type for vector functions.
        (struct cgraph_node_set_def): New type.
        (cgraph_node_set) New type. Also declare vector functions.
        (struct cgraph_node_set_element_def): New type.
        (cgraph_node_set_element): Ditto.
        (cgraph_node_set_iterator): New iterator type.
        (cgraph_node_set_new, cgraph_node_set_find, cgraph_node_set_add,
        cgraph_node_set_remove, dump_cgraph_node_set,
        debug_cgraph_node_set): New prototypes.
        (csi_end_p, csi_next, csi_node, csi_start, cgraph_node_in_set_p,
        cgraph_node_set_size): New inlines.
        * tree-pass.h (struct cgraph_node_set_def): New decl to avoid
        including cgraph.h.
        (struct ipa_opt_pass): Add struct cgraph_node_set_def
        argument to function 'write_summary'.
        * ipa.c: Include ggc.h.
        (hash_cgraph_node_set_element,
        eq_cgraph_node_set_element, cgraph_node_set_new,
        cgraph_node_set_add, cgraph_node_set_remove,
        cgraph_node_set_find, dump_cgraph_node_set,
        debug_cgraph_node_set): New functions.
        * Makefile.in (ipa.o): Add dependency on GGC_H.

2009-04-20  Ira Rosen  <irar@il.ibm.com>

        PR tree-optimization/39675
        * tree-vect-loop.c (vect_transform_loop): Remove currently redundant
        check of the return code of vect_schedule_slp. Check that
        stmt_vec_info still exists for the statement, before checking its
        vectorization type.

2009-04-20  Michael Matz  <matz@suse.de>

        * Makefile.in (generated_files): Take out $(simple_generated_c).

2009-04-19  Dave Korn  <dave.korn.cygwin@gmail.com>

        * config/i386/cygwin-stdint.h (INTPTR_TYPE):  Remove "long".
        (UINTPTR_TYPE):  Likewise.

2009-04-19  Joseph Myers  <joseph@codesourcery.com>

        PR c/37481
        * c-typeck.c (digest_init): Check for initializing an array with a
        string literal.

2009-04-19  Joseph Myers  <joseph@codesourcery.com>

        PR c/19771
        * c-semantics.c (pop_stmt_list): Propagate
        STATEMENT_LIST_HAS_LABEL to parent statement list.

2009-04-19  Adam Nemet  <anemet@caviumnetworks.com>

        * config/mips/mips.h (mips_tune_attr): New macro.
        * config/mips/mips.md (cpu): Use it.

2009-04-19  Joseph Myers  <joseph@codesourcery.com>

        PR c/38243
        * c-decl.c (shadow_tag_warned): Diagnose use of restrict when
        declaring a tag.

2009-04-19  Diego Novillo  <dnovillo@google.com>

        * toplev.c (compile_file): Move call to coverage_finish ...
        * cgraphunit.c (ipa_passes): ... here.
        Call cgraph_process_new_functions.
        * ipa-utils.c (get_base_var): Handle CONSTRUCTOR.
        * Makefile.in (cgraphunit.o): Add dependency on COVERAGE_H.

2009-04-19  Jan Hubicka  <jh@suse.cz>

        * cgraph.c (cgraph_create_edge, cgraph_set_call_stmt): Set proper
        cfun.
        (dump_cgraph_node): Dump can throw external flag.
        * ipa-pure-const.c (propagate): Fix propagation of nothrow flags.

2009-04-19  Manuel López-Ibáñez  <manu@gcc.gnu.org>

        PR c/32061
        PR c++/36954
        * doc/invoke.texi: Add -Wlogical-op to -Wextra.
        * common.opt (Wlogical-op): Move from here...
        * c.opt (Wlogical-op): ... to here.
        * c-typeck.c (parser_build_binary_op): Update call to
        warn_logical_operator.
        * c-opts.c (c_common_post_options): Enable warn_logical_op with
        extra_warnings.
        * c-common.c (warn_logical_op): Update.
        * c-common.h (warn_logical_op): Update declaration.

2009-04-19  Eric Botcazou  <ebotcazou@adacore.com>

        * tree.c (protected_set_expr_location): Fix formatting.

2009-04-18  Joseph Myers  <joseph@codesourcery.com>

        PR c/27676
        * c-typeck.c (readonly_warning): new.
        (build_unary_op, build_modify_expr): Use readonly_warning for
        storing into something readonly but not const-qualified.

2009-04-18  Joseph Myers  <joseph@codesourcery.com>

        PR c/22367
        * c-typeck.c (build_unary_op): Check for taking address of
        expression of type void.

2009-04-18  Joseph Myers  <joseph@codesourcery.com>

        PR c/35210
        * c-typeck.c (build_function_call): Check for calling a function
        with qualified void return types.  Call require_complete_type when
        generating a trap.

2009-04-18  Jan Hubicka  <jh@suse.cz>

        * cgraph.c (cgraph_make_edge, dump_cgraph_node, cgraph_set_call_stmt):
        Set nothrow flag.
        * cgraph.h (struct function): Reduce loop_nest to 30 bits; add
        can_throw_external flag.
        * ipa-reference.c (ipa_utils_reduced_inorder): Update call.
        * ipa-pure-const.c (ignore_edge): New function.
        (propagate): Compute order for NOTHROW computation; set NOTHROWs
        only over can_throw_external edges.
        (local_pure_const): Add nothrow flag.
        * ipa-utils.c (searchc): Add ignore_edge callback.
        (ipa_utils_reduced_inorder): Add ignore_edge callback.
        * ipa-utils.h (ipa_utils_reduced_inorder): Update prototype.
        (set_nothrow_function_flags): Update cgraph.
        * tree-cfg.c (verify_stmt): Relax nothrow checking when in IPA mode.

2009-04-18  Richard Guenther  <rguenther@suse.de>

        PR middle-end/39804
        * tree-ssa-ccp.c (fold_stmt_1): New function factored from ...
        (fold_stmt): ... this and ...
        (fold_stmt_inplace): ... this.
        (fold_stmt_1): Fold references in calls and asms.
        * tree-cfg.c (remove_useless_stmts_cond): Use fold_stmt.

2009-04-18  Kazu Hirata  <kazu@codesourcery.com>

        * tree-vrp.c (ssa_name_nonzero_p): Remove.
        * tree.h: Remove the prototype for ssa_name_nonzero_p.

2009-04-18  Kazu Hirata  <kazu@codesourcery.com>

        * tree.c (function_args_count): Remove.
        * tree.h: Remove the prototype for function_args_count.

2009-04-18  Kazu Hirata  <kazu@codesourcery.com>

        * tree-iterator.c (expr_only): Remove.
        * tree.h: Remove the prototype for expr_only.

2009-04-18  Kazu Hirata  <kazu@codesourcery.com>

        * reginfo.c (cannot_change_mode_set_regs): Remove.
        * rtl.h: Remove the prototype for cannot_change_mode_set_regs.

2009-04-08  Anatoly Sokolov  <aesok@post.ru>

        * config/avr/avr.md (*rotlsi3_8, *rotlsi3_16, *rotlsi3_24 ): Check
        whether operands 0 and 1 overlaps.

2009-04-18  Manuel López-Ibáñez  <manu@gcc.gnu.org>

        PR middle-end/36902
        * tree-vrp.c (check_array_ref): Pass a location_t instead of a
        pointer. Use warning_at instead of warning.
        (search_for_addr_array): Likewise.
        (check_array_bounds): Likewise.
        (check_all_array_refs): Check that the incoming edge is not in the
        list of edges to be removed.
        (check_all_array_refs): Avoid the temporal pointer.
        (vrp_visit_cond_stmt): Fix typo.
        (simplify_switch_using_ranges): Handle the case where the switch
        index is an integer constant.

2009-04-18  Adam Nemet  <anemet@caviumnetworks.com>

        * config/mips/mips.c (mips_final_postscan_insn): Make it static.

2009-04-18  Kazu Hirata  <kazu@codesourcery.com>

        * doc/extend.texi, doc/invoke.texi: Fix typos.

2009-04-17  Cary Coutant  <ccoutant@google.com>

        * tree-flow-inline.h (get_lineno): Fix inverted test.

2009-04-17  Diego Novillo  <dnovillo@google.com>

        * tree-ssa-pre.c (create_expression_by_pieces): Remove
        assertion for AVAIL_OUT.

2009-04-17  Mike Frysinger  <vapier@gentoo.org>

        PR target/38627
        * config/sh/lib1funcs.asm [__ELF__ && __linux__]: Add .note.GNU-stack.
        * config/sh/linux-atomic.asm: Likewise.

2009-04-17  Diego Novillo  <dnovillo@google.com>

        * except.c (debug_eh_tree): New.
        (struct eh_region, struct eh_status): Move ...
        * except.h: ... here.
        (add_type_for_runtime): Declare extern.
        (lookup_type_for_runtime): Likewise.
        (debug_eh_tree): Declare.
        * Makefile.in (GTFILES): List except.h before except.c

2009-04-17  Diego Novillo  <dnovillo@google.com>

        * omp-low.c (create_omp_child_function): Set DECL_CONTEXT for DECL.
        * cgraphunit.c (cgraph_build_static_cdtor): Likewise.
        * tree-dfa.c (find_referenced_vars_in): Factor out of ...
        (find_vars_r): ... here.
        * tree-flow.h (find_referenced_vars_in): Declare.
        * tree-ssa-pre.c (create_expression_by_pieces): Assert
        that AVAIL_OUT exists for BLOCK.
        * Makefile.in (CGRAPH_H): Add dependency on cif-code.def
        (tree-loop-distribution.o): Fix dependency on TREE_VECTORIZER_H.
        (tree-parloops.o): Likewise.

2009-04-17  Simon Baldwin  <simonb@google.com>

        * toplev.c (default_tree_printer): Add handling for %E format.

2009-04-17  Diego Novillo  <dnovillo@google.com>

        * tree-pretty-print.c (dump_generic_node): Add break after
        TREE_BINFO handler.  Handle COMPLEX_TYPE, REAL_TYPE and
        FIXED_POINT_TYPE.  Handle NULL TREE_TYPEs.  Handle METHOD_TYPE and
        FUNCTION_TYPE together.  Call print_struct_decl when printing
        structures and TDF_SLIM is not given.
        (print_struct_decl): Fix logic for detecting recursion.

2009-04-17  Rafael Avila de Espindola  <espindola@google.com>

        PR 31567
        * gcc.c (create_at_file): New.
        (compile_input_file_p): New.
        (do_spec_1): Use @args files for %i. Use create_at_file for %o.
        * main.c (main): Update call to toplev_main.
        * toplev.c (toplev_main): Change signature. Call expandargv.
        * toplev.h (toplev_main): Change signature.

2009-04-17  Eric Botcazou  <ebotcazou@adacore.com>

        * dwarf2out.c (field_byte_offset): Use the type size as the field size
        if the latter is not constant.

2009-04-17  David Edelsohn  <edelsohn@gnu.org>

        * dbxout.c (xcoff_debug_hooks): Add set_name_debug_nothing.

2009-04-17  Eric Botcazou  <ebotcazou@adacore.com>

        * dbxout.c (dbxout_block): Reinstate test on TREE_USED.
        * tree-ssa-live.c (remove_unused_scope_block_p): Update TREE_USED bit.

2009-04-17  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-structalias.c (get_constraint_for_component_ref):
        Handle component references view-converting an invariant address.

2009-04-17  Adam Nemet  <anemet@caviumnetworks.com>

        * doc/tm.texi (TARGET_DEFAULT_TARGET_FLAGS,
        TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET,
        TARGET_HAVE_SRODATA_SECTION, TARGET_HAVE_TLS,
        TARGET_UNWIND_TABLES_DEFAULT, TARGET_TERMINATE_DW2_EH_FRAME_INFO):
        Use @deftypevr rather than @deftypevar.

2009-04-17  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-forwprop.c (get_prop_dest_stmt): Clean up tuplification.
        (get_prop_source_stmt): Likewise.
        (can_propagate_from): Likewise.

2009-04-17  Andrew Stubbs  <ams@codesourcery.com>

        * configure.ac: Add new AC_SUBST for TM_ENDIAN_CONFIG,
        TM_MULTILIB_CONFIG and TM_MULTILIB_EXCEPTIONS_CONFIG.
        (--with-multilib-list): Add default value.
        * configure: Regenerate.
        * Makefile.in (TM_ENDIAN_CONFIG): Define.
        (TM_MULTILIB_CONFIG, TM_MULTILIB_EXCEPTIONS_CONFIG): Define.
        * config.gcc (sh-*-*): Switch to using TM_ENDIAN_CONFIG,
        TM_MULTILIB_CONFIG, and TM_MULTILIB_EXCEPTIONS_CONFIG.
        Don't add default cpu to multilib list unnecessarily, but do enable
        the relevant compiler option..
        Add support for --with-multilib-list=<blank> and
        --with-multilib-list=!<somelib> to supress unwanted multilibs.
        * config/sh/t-sh (DEFAULT_ENDIAN, OTHER_ENDIAN): New variables.
        (MULTILIB_ENDIAN, MULTILIB_CPUS): Delete variables.
        (MULTILIB_OPTIONS): Redefine using OTHER_ENDIAN and
        TM_MULTILIB_CONFIG.
        (MULTILIB_EXCEPTIONS): Add TM_MULTILIB_EXCEPTIONS_CONFIG.
        (MULTILIB_OSDIRNAMES): New variable.
        * config/sh/t-1e: Delete file.
        * config/sh/t-mlib-sh1: Delete file.
        * config/sh/t-mlib-sh2: Delete file.
        * config/sh/t-mlib-sh2a: Delete file.
        * config/sh/t-mlib-sh2a-nofpu: Delete file.
        * config/sh/t-mlib-sh2a-single: Delete file.
        * config/sh/t-mlib-sh2a-single-only: Delete file.
        * config/sh/t-mlib-sh2e: Delete file.
        * config/sh/t-mlib-sh3e: Delete file.
        * config/sh/t-mlib-sh4: Delete file.
        * config/sh/t-mlib-sh4-nofpu: Delete file.
        * config/sh/t-mlib-sh4-single: Delete file.
        * config/sh/t-mlib-sh4-single-only: Delete file.
        * config/sh/t-mlib-sh4a: Delete file.
        * config/sh/t-mlib-sh4a-nofpu: Delete file.
        * config/sh/t-mlib-sh4a-single: Delete file.
        * config/sh/t-mlib-sh4a-single-only: Delete file.
        * config/sh/t-mlib-sh4al: Delete file.
        * config/sh/t-mlib-sh5-32media: Delete file.
        * config/sh/t-mlib-sh5-32media-nofpu: Delete file.
        * config/sh/t-mlib-sh5-64media: Delete file.
        * config/sh/t-mlib-sh5-64media-nofpu: Delete file.
        * config/sh/t-mlib-sh5-compact: Delete file.
        * config/sh/t-mlib-sh5-compact-nofpu: Delete file.
        * config/sh/t-linux: Don't override MULTILIB_EXCEPTIONS.
        * doc/install.texi (Options specification): Add
        --with-multilib-list and --with-endian.

2009-04-17  Rafael Avila de Espindola  <espindola@google.com>

        * Makefile.in (REVISION_s): Always include quotes. Change ifdef to use
        REVISION_c.
        (OBJS-common): Add plugin-version.o.
        (plugin-version.o): New.
        * gcc-plugin.h (plugin_gcc_version): New.
        (plugin_default_version_check): New.
        (plugin_init_func, plugin_init): Add version argument.
        * plugin-version.c: New.
        * plugin.c (str_plugin_gcc_version_name): New.
        (try_init_one_plugin): Read plugin_gcc_version from the plugin and
        pass it to the init function.
        (plugin_default_version_check): New.

2009-04-17  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-alias.c (refs_may_alias_p_1): Do not use TBAA
        for decl-vs-decl disambiguation.

2009-04-17  Andreas Krebbel  <krebbel1@de.ibm.com>

        * config/s390/s390.h (s390_tune_attr): New macro definition.
        * config/s390/s390.md (cpu attribute): Map to s390_tune_attr.

2009-04-17  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-ccp.c (struct fold_stmt_r_data): Remove.
        (fold_stmt_r): Likewise.
        (maybe_fold_reference): New function.
        (fold_gimple_assign): Handle cases fold_stmt_r did.
        (fold_stmt): Do not use fold_stmt_r.
        (fold_stmt_inplace): Likewise.

2009-04-17  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-dom.c (gimple_assign_unary_useless_conversion_p): Remove.
        (record_equivalences_from_stmt): Remove useless checks and
        simplifications.
        * tree-ssa-pre.c (eliminate): Avoid converting a constant if
        the type is already suitable.

2009-04-17  Paolo Bonzini  <bonzini@gnu.org>

        * config/sh/sh.h (FUNCTION_VALUE): Fix call to sh_promote_prototypes.

2009-04-17  Uros Bizjak  <ubizjak@gmail.com>

        * config/arm/sfp-machine.h (__gcc_CMPtype): New typedef.
        (CMPtype): Define as __gcc_CMPtype.

2009-04-17  Aurelien Jarno  <aurelien@aurel32.net>

        * config.gcc: Add soft-fp/t-softfp and i386/t-linux to tmake_file
        for i[34567]86-*-kfreebsd*-gnu*, x86_64-*-kfreebsd*-gnu*.

2009-04-17  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/39746
        * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Remove
        special-casing for builtins and static variable use/def.
        (call_may_clobber_ref_p_1): Likewise.

2009-04-16  Ian Lance Taylor  <iant@google.com>

        * df.h: Include "timevar.h".
        (struct df_problem): Change tv_id field to timevar_id_t.
        * tree-pass.h: Include "timevar.h".
        (struct opt_pass): Change tv_id field to timevar_id_t.
        * timevar.h (timevar_id_t): Define TV_NONE.
        * passes.c (execute_one_ipa_transform_pass): Check for tv_id !=
        TV_NONE rather than tv_id != 0.
        (execute_one_pass): Likewise.
        * Makefile.in (DF_H): Add $(TIMEVAR_H).
        (TREE_PASS_H): Define.  Change all instances of tree-pass.h in
        dependencies to $(TREE_PASS_H).
        * bt-load.c (pass_branch_target_load_optimize1): Set tv_id field
        to TV_NONE.
        (pass_branch_target_load_optimize2): Likewise.
        * cfglayout.c (pass_into_cfg_layout_mode): Likewise.
        (pass_outof_cfg_layout_mode): Likewise.
        * cgraphbuild.c (pass_remove_cgraph_callee_edges): Likewise.
        (pass_rebuild_cgraph_edges): Likewise.
        (pass_remove_cgraph_callee_edges): Likewise.
        * df-core.c (pass_df_initialize_opt): Likewise.
        (pass_df_initialize_no_opt): Likewise.
        (pass_df_finish): Likewise.
        * emit-rtl.c (pass_unshare_all_rtl): Likewise.
        * except.c (pass_set_nothrow_function_flags): Likewise.
        (pass_convert_to_eh_region_ranges): Likewise.
        * final.c (pass_compute_alignments): Likewise.
        * function.c (pass_instantiate_virtual_regs): Likewise.
        (pass_init_function): Likewise.
        (pass_leaf_regs): Likewise.
        (pass_match_asm_constraints): Likewise.
        * gimple-low.c (pass_lower_cf): Likewise.
        (pass_mark_used_blocks): Likewise.
        * init-regs.c (pass_initialize_regs): Likewise.
        * integrate.c (pass_initial_value_sets): Likewise.
        * ira.c (pass_ira): Likewise.
        * jump.c (pass_cleanup_barriers): Likewise.
        * omp-low.c (pass_expand_omp): Likewise.
        (pass_lower_omp): Likewise.
        * matrix-reorg.c (pass_ipa_matrix_reorg): Likewise.
        * recog.c (pass_split_all_insns): Likewise.
        (pass_split_after_reload): Likewise.
        (pass_split_before_regstack): Likewise.
        (pass_split_before_sched2): Likewise.
        (pass_split_for_shorten_branches): Likewise.
        * reginfo.c (pass_reginfo_init): Likewise.
        (pass_subregs_of_mode_init): Likewise.
        (pass_subregs_of_mode_finish): Likewise.
        * passes.c (pass_postreload): Likewise.
        * stack-ptr-mod.c (pass_stack_ptr_mod): Likewise.
        * tree-cfg.c (pass_remove_useless_stmts): Likewise.
        (pass_warn_function_return): Likewise.
        (pass_warn_function_noreturn): Likewise.
        * tree-complex.c (pass_lower_complex): Likewise.
        (pass_lower_complex_O0): Likewise.
        * tree-if-conv.c (pass_if_conversion): Likewise.
        * tree-into-ssa.c (pass_build_ssa): Likewise.
        * tree-mudflap.c (pass_mudflap_1): Likewise.
        (pass_mudflap_2): Likewise.
        * tree-nomudflap.c (pass_mudflap_1): Likewise.
        (pass_mudflap_2): Likewise.
        * tree-nrv.c (pass_return_slot): Likewise.
        * tree-object-size.c (pass_object_sizes): Likewise.
        * tree-optimize.c (pass_all_optimizations): Likewise.
        (pass_early_local_passes): Likewise.
        (pass_all_early_optimizations): Likewise.
        (pass_cleanup_cfg): Likewise.
        (pass_cleanup_cfg_post_optimizing): Likewise.
        (pass_free_datastructures): Likewise.
        (pass_free_cfg_annotations): Likewise.
        (pass_fixup_cfg): Likewise.
        (pass_init_datastructures): Likewise.
        * tree-ssa.c (pass_early_warn_uninitialized): Likewise.
        (pass_late_warn_uninitialized): Likewise.
        (pass_update_address_taken): Likewise.
        * tree-ssa-ccp.c (pass_fold_builtins): Likewise.
        * tree-ssa-math-opts.c (pass_cse_reciprocals): Likewise.
        (pass_cse_sincos): Likewise.
        (pass_convert_to_rsqrt): Likewise.
        * tree-ssa-structalias.c (pass_build_alias): Likewise.
        * tree-stdarg.c (pass_stdarg): Likewise.
        * tree-tailcall.c (pass_tail_recursion): Likewise.
        (pass_tail_calls): Likewise.
        * tree-vect-generic.c (pass_lower_vector): Likewise.
        (pass_lower_vector_ssa): Likewise.
        * tree-vectorizer.c (pass_ipa_increase_alignment): Likewise.

2009-04-16  Joseph Myers  <joseph@codesourcery.com>

        * config/mips/mips.c (mips_rtx_cost_data): Use SOFT_FP_COSTS in
        XLR entry.
        * config/mips/mips.h (MIPS_ISA_LEVEL_SPEC, MIPS_ARCH_FLOAT_SPEC):
        Handle -march=xlr.
        * config/mips/xlr.md (ir_xlr_alu): Also accept insn types move,
        logical and signext.

2009-04-16  Kaz Kojima  <kkojima@gcc.gnu.org>

        PR target/39767
        * config/sh/predicates.md (arith_operand): Check if the operand
        of TRUNCATE is a REG.

2009-04-16  Kazu Hirata  <kazu@codesourcery.com>

        * cfgrtl.c (delete_insn_chain_and_edges): Remove.
        * rtl.h: Remove the prototype for delete_insn_chain_and_edges.

2009-04-16  Kazu Hirata  <kazu@codesourcery.com>

        * tree-iterator.c (tsi_split_statement_list_after,
        tsi_split_statement_list_before): Remove.
        * tree-iterator.h: Remove the prototypes for
        tsi_split_statement_list_after and tsi_split_statement_list_before.

2009-04-16  Kazu Hirata  <kazu@codesourcery.com>

        * tree-ssa-propagate.c (stmt_makes_single_load): Remove.
        * tree-ssa-propagate.h: Remove the prototype for
        stmt_makes_single_load.

2009-04-16  Kazu Hirata  <kazu@codesourcery.com>

        * emit-rtl.c (set_mem_attrs_from_reg): Remove.
        * rtl.h: Remove the prototype for set_mem_attrs_from_reg.

2009-04-16  Kazu Hirata  <kazu@codesourcery.com>

        * tree-iterator.c (EXPR_LAST_BODY): Remove.

2009-04-16  Kazu Hirata  <kazu@codesourcery.com>

        * except.c (eh_region_outer_p): Remove.
        * except.h: Remove the prototype for eh_region_outer_p.

2009-04-16  Kazu Hirata  <kazu@codesourcery.com>

        * function.c (current_function_assembler_name): Remove.
        * function.h: Remove the prototype for
        current_function_assembler_name.

2009-04-16  Ian Lance Taylor  <iant@google.com>

        * rtlanal.c (alloc_reg_note): New function, broken out of add_reg_note.
        (add_reg_note): Call alloc_reg_note.
        * rtl.h (alloc_reg_note): Declare.
        * combine.c (try_combine): Use alloc_reg_note.
        (recog_for_combine, move_deaths): Likewise.
        (distribute_notes): Use alloc_reg_note and add_reg_note.
        * haifa-sched.c (sched_create_recovery_edges): Use add_reg_note.
        * combine-stack-adj.c (adjust_frame_related_expr): Likewise.
        * reload1.c (eliminate_regs_1): Use alloc_reg_note.

2009-04-16  Vladimir Makarov  <vmakarov@redhat.com>

        PR rtl-optimization/39762
        * ira-int.h (ira_register_move_cost, ira_may_move_in_cost,
        ira_may_move_out_cost): Add comments about way of their usage.
        (ira_get_register_move_cost, ira_get_may_move_cost): New functions.

        * ira-conflicts.c (process_regs_for_copy): Use function
        ira_get_register_move_cost instead of global
        ira_register_move_cost.

        * ira-color.c (update_copy_costs, calculate_allocno_spill_cost,
        color_pass, move_spill_restore, update_curr_costs): Ditto.

        * ira-lives.c (process_single_reg_class_operands): Ditto.

        * ira-emit.c (emit_move_list): Ditto.

        * ira-costs.c (copy_cost): Don't call ira_init_register_move_cost.
        (record_reg_classes): Ditto.  Use functions
        ira_get_register_move_cost and ira_get_may_move_cost instead of
        global vars ira_register_move_cost, ira_may_move_out_cost and
        ira_may_move_in_cost.
        (record_address_regs): Don't call ira_init_register_move_cost.
        Use function ira_get_may_move_cost instead of global
        ira_may_move_in_cost.
        (process_bb_node_for_hard_reg_moves): Use function
        ira_get_register_move_cost instead of global ira_register_move_cost.
        (ira_costs): Don't call ira_init_register_move_cost.

2009-04-16  Richard Guenther  <rguenther@suse.de>

        * tree-cfg.c (verify_gimple_assign_binary):
        Allow POINTER_PLUS_EXPR-like PLUS_EXPR for vectors.
        * ipa-struct-reorg.c (gen_size): Fold the built expressions.
        (create_general_new_stmt): Note that this function is broken.

2009-04-16  Rafael Avila de Espindola  <espindola@google.com>

        * common.opt (fhelp): Add Var(help_flag).
        * gcc-plugin.h (plugin_info): Add help.
        * plugin.c (plugin_name_args): Add help.
        (register_plugin_info): Set plugin->help.
        (print_help_one_plugin): New.
        (print_plugins_help): New.
        * plugin.h (print_plugins_help): New.
        * toplev.c (toplev_main): Call print_plugins_help if needed.

2009-04-16  Richard Guenther  <rguenther@suse.de>

        * gimple.c (gimple_copy): Do not clear addresses_taken bitmap.
        (gimple_ior_addresses_taken_1): New function.
        (gimple_ior_addresses_taken): Likewise.
        * gimple.h (struct gimple_statement_with_ops_base): Remove
        addresses_taken member.
        (gimple_ior_addresses_taken): Declare.
        (gimple_addresses_taken, gimple_addresses_taken_ptr,
        gimple_set_addresses_taken): Remove.
        * ipa-reference.c (mark_address): New function.
        (scan_stmt_for_static_refs): Use it for marking addresses taken.
        * tree-ssa-operands.c (add_to_addressable_set): Rename to ...
        (mark_address_taken): ... this.  Just set TREE_ADDRESSABLE.
        (gimple_add_to_addresses_taken): Remove.
        (get_tmr_operands): Call mark_address_taken.
        (get_asm_expr_operands): Likewise.
        (get_expr_operands): Likewise.
        (build_ssa_operands): Do not clear the addresses_taken bitmap.
        (free_stmt_operands): Do not free it.
        * tree-ssa.c (delete_tree_ssa): Likewise.
        (execute_update_addresses_taken): Use gimple_ior_addresses_taken.

2009-04-16  Richard Guenther  <rguenther@suse.de>

        * gimple.h (walk_stmt_load_store_addr_ops): Declare.
        (walk_stmt_load_store_ops): Likewise.
        * gimple.c (get_base_loadstore): New function.
        (walk_stmt_load_store_addr_ops): Likewise.
        (walk_stmt_load_store_ops): Likewise.
        * ipa-pure-const.c (check_op): Simplify.
        (check_load, check_store): New functions.
        (check_stmt): Use walk_stmt_load_store_ops.
        * ipa-reference.c (mark_load): Adjust signature.
        (mark_store): Likewise.
        (scan_stmt_for_static_refs): Use walk_stmt_load_store_addr_ops.

2009-04-16  Rafael Avila de Espindola  <espindola@google.com>

        * gcc-plugin.h (plugin_event): Add PLUGIN_INFO.
        (plugin_info): New.
        * opts.c (common_handle_option): Don't call print_version.
        * plugin.c (plugin_name_args): Add version.
        (register_plugin_info): New.
        (register_callback): Handle PLUGIN_INFO.
        (try_init_one_plugin): New.
        (init_one_plugin): Use try_init_one_plugin. Only free plugin_name_args
        if failed to init.
        (finalize_one_plugin): New.
        (finalize_plugins): New.
        (print_one_plugin): New.
        (print_plugins_versions): New.
        * plugin.h (print_plugins_versions): New.
        (finalize_plugins): New.
        * toplev.c (compile_file): Don't call initialize_plugins.
        (print_version): Call print_plugins_versions.
        (toplev_main): Call initialize_plugins. Print version if needed.
        Call finalize_plugins.

2009-04-16  Rafael Avila de Espindola  <espindola@google.com>

        * common.opt (fversion): New.
        * gcc.c (print_version): New.
        (process_command): Don't print the version. Just set print_version.
        (main): Print version. Call subprocesses if print_version and
        verbose_flag are set.
        * opts.c (common_handle_option): Handle OPT_fversion.

2009-04-16  Richard Guenther  <rguenther@suse.de>
            Ira Rosen  <irar@il.ibm.com>

        PR tree-optimization/39698
        * tree-vect-loop.c (get_initial_def_for_reduction): Use the
        type of the reduction variable.  Only generate the def if
        it is needed.

        * omp-low.c (expand_omp_for_generic): When converting to a pointer
        make sure to first convert to an integer of the same precision.
        * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer): Retain
        the type of the evolution correctly in computing the new
        induction variable base.

2009-04-16  Richard Guenther  <rguenther@suse.de>

        PR middle-end/39625
        * tree-cfg.c (make_blocks): Split statements with to-be
        abnormal SSA names on the lhs.

2009-04-16  Paolo Bonzini  <bonzini@gnu.org>

        * c-common.c (vector_targets_convertible_p, vector_types_convertible_p):
        Use TYPE_VECTOR_OPAQUE instead of targetm.vector_opaque_p.
        * c-typeck.c (really_start_incremental_init): Likewise.
        * target-def.h (TARGET_VECTOR_OPAQUE_P): Remove.
        (TARGET_INITIALIZER): Remove it.
        * target.h (struct target): Remove vector_opaque_p.
        * tree.c (build_opaque_vector_type): New.
        * tree.h (TYPE_VECTOR_OPAQUE): New.
        (build_opaque_vector_type): Declare.
        * doc/tm.texi (TARGET_VECTOR_OPAQUE_P): Remove.
        * config/rs6000/rs6000.c (build_opaque_vector_type,
        rs6000_is_vector_type, TARGET_VECTOR_OPAQUE_P): Remove.
        (rs6000_init_builtins): Use build_opaque_vector_type for
        opaque_V4SI_type_node.

2009-04-15  Catherine Moore  <clm@codesourcery.com>

        * debug.h (set_name):  Declare.
        * dwarf2out.c (dwarf2out_set_name): Declare.
        (dwarf2_debug_hooks): Add set_name.
        (find_AT_string): New.
        (add_AT_string): Call find_AT_string.
        (dwarf2out_set_name): New.
        * cp/decl.c (grokdeclarator): Call set_name.
        * vmsdbgout.c (vmsdbg_debug_hooks): Add set_name_debug_nothing.
        * debug.c (do_nothing_debug_hooks):  Likewise.
        * dbxout.c (dbx_debug_hooks): Likewise.
        * sdbout.c (sdb_debug_hooks): Likewise.

2009-04-15  Michael Eager  <eager@eagercon.com>

        * config/rs6000/rs6000.c (rs6000_function_value): Set function return
        reg for single-precision FPU.
        * config/rs6000/rs6000.md (movsi_internal1): Only for
        !TARGET_SINGLE_FPU.
        (movsi_internal1_single): New. Add pattern to move SI values to/from
        single-precision FP regs.

2009-04-15  Richard Guenther  <rguenther@suse.de>

        * omp-low.c (lower_rec_input_clauses): Build correct address
        expressions.
        (expand_omp_for_generic): Fix multiplication type.
        * tree-loop-distribution.c (build_size_arg): Build a size_t argument.
        (generate_memset_zero): Fix types.
        * tree-profile.c (prepare_instrumented_value): Correctly
        widen a pointer.

2009-04-15  Ian Lance Taylor  <iant@google.com>

        * c.opt (Wenum-compare): Enable for C and Objc.  Initialize to -1.
        * c-opts.c (c_common_handle_option): For C, set warn_enum_compare
        for -Wall and for -Wc++-compat.
        (c_common_post_options): For C++, set warn_enum_compare if not
        already set.
        * c-tree.h (struct c_expr): Add field original_type.
        (build_external_ref): Update declaration.
        * c-parser.c (c_parser_braced_init): Set original_type.
        (c_parser_initelt): Likewise.
        (c_parser_expr_no_commas): Likewise.
        (c_parser_conditional_expression): Likewise.
        (c_parser_cast_expression): Likewise.
        (c_parser_unary_expression): Likewise.  Pull setting of
        original_code to top of function.
        (c_parser_sizeof_expression): Set original_type.
        (c_parser_alignof_expression): Likewise.
        (c_parser_postfix_expression): Likewise.  Pull setting of
        original_code to top of function.
        (c_parser_postfix_expression_after_paren_type): Set original_type.
        (c_parser_postfix_expression_after_primary): Likewise.
        (c_parser_expression): Likewise.
        * c-typeck.c (build_external_ref): Add type parameter.  Change all
        callers.
        (c_expr_sizeof_expr): Set original_type field.
        (parser_build_unary_op): Likewise.
        (parser_build_binary_op): Likewise.  Optionally warn about
        comparisons of enums of different types.
        (digest_init): Set original_type field.
        (really_start_incremental_init): Likewise.
        (push_init_level, pop_init_level): Likewise.
        * doc/invoke.texi (Warning Options): -Wenum-compare now
        supported in C.

2009-04-15  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-pre.c (eliminate): When replacing a PHI node carry
        out a necessary conversion.
        * tree-ssa-sccvn.c (run_scc_vn): Also assign value-ids to
        names we didn't value number.
        * tree-mudflap.c (mf_build_check_statement_for): Use correct types.

2009-04-15  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/39764
        * tree-ssa-ccp.c (get_value): Canonicalize value with
        canonicalize_float_value.

2009-04-15  Jan Hubicka  <jh@suse.cz>

        * builtins.def (va_start, va_end, va_copy): Fix my previous commit.
        Wrong version of patch.

2009-04-15  Jan Hubicka  <jh@suse.cz>

        * builtins.def (va_start, va_end, va_copy): Mark nothrow.

2009-04-15  Nathan Sidwell  <nathan@codesourcery.com>

        * config/rs6000/rs6000.c (rs6000_init_builtins): Set TYPE_NAME of
        our distinct integral and vector types.

2009-04-15  Rafael Avila de Espindola  <espindola@google.com>

        * class.c (build_vtbl_ref_1): Remove call to assemble_external.
        * init.c (build_vtbl_address): Remove call to assemble_external.

2009-04-14  Daniel Jacobowitz  <dan@codesourcery.com>

        * config/rs6000/rs6000.c (rs6000_dwarf_register_span): Fix debug
        output for other floating point modes.

2009-04-14  Diego Novillo  <dnovillo@google.com>

        * diagnostic.c (diagnostic_report_diagnostic): Do not
        warn about loaded plugins for DK_ERROR and DK_WARNING.
        * c-decl.c (declspecs_add_type): Move call to
        invoke_plugin_callbacks ...
        * c-parser.c (c_parser_declspecs): ... here.
        * plugin.c (dump_active_plugins): Tidy output.

2009-04-14  Diego Novillo  <dnovillo@google.com>
            Le-Chun Wu  <lcwu@google.com>

        * configure.ac: Add --enable-plugin support.
        Define ENABLE_PLUGIN and PLUGINLIBS when specified.
        * Makefile.in (PLUGIN_H): Define.
        Export ENABLE_PLUGIN and GMPINC to site.exp.
        Add PLUGINLIBS to link command.
        Add/modify dependencies for plugin.o and files including plugin.h.
        (plugin.o): New.
        * config.in: Regenerate.

        * opts.c (common_handle_option): Handle OPT_fplugin_ and
        OPT_fplugin_arg_.

2009-04-14  Le-Chun Wu  <lcwu@google.com>

        * tree-pass.h (register_one_dump_file): Add a prototype for
        register_one_dump_file.
        * toplev.c (compile_file): Call initialize_plugins.
        (do_compile): Call invoke_plugin_callbacks.
        (toplev_main): Call invoke_plugin_callbacks.
        * common.opt: Add -fplugin= and -fplugin-arg-.
        * gcc-plugin.h: New public header file for plugins to include.
        * plugin.c: New source file.
        * plugin.h: New internal header file.
        * passes.c (register_one_dump_file): Make it external.

        * c-parser.c (c_parser_declspecs): Call invoke_plugin_callbacks.

2009-04-14  Diego Novillo  <dnovillo@google.com>

        * doc/plugins.texi: New.
        * doc/gccint.texi: Add reference to Plugins chapter.
        * doc/invoke.texi: Document -fplugin and -fplugin-arg
        * diagnostic.c (diagnostic_report_diagnostic): Warn about
        loaded plugins, if any.
        * timevar.def (TV_PLUGIN_INIT): Define.
        (TV_PLUGIN_RUN): Define.
        * plugin.c: Include timevar.h
        (plugins_active_p): New.
        (dump_active_plugins): New.
        (debug_active_plugins): New.

2009-04-14  Joseph Myers  <joseph@codesourcery.com>

        * config/sol2.h (LINK_ARCH32_SPEC_BASE): Use %R with absolute
        library paths.
        * config/sparc/sol2-bi.h (LINK_ARCH64_SPEC_BASE): Likewise.

2009-04-14  Kazu Hirata  <kazu@codesourcery.com>

        * config/arm/arm.c (arm_rtx_costs_1): Treat a minus with a shift
        the same as a minus without a shift.

2009-04-14  Nick Clifton  <nickc@redhat.com>

        * config/stormy16/stormy16.md (ineqbranch_1): Do not assume that
        comparisons with small integers will always produce a short
        branch.

2009-04-14  Rafael Avila de Espindola  <espindola@google.com>

        Merge:
        2008-12-19  Diego Novillo  <dnovillo@google.com>

        * cgraph.c (dump_cgraph_node): Show memory address of NODE.

2009-04-14  Richard Guenther  <rguenther@suse.de>

        * tree-cfg.c (verify_gimple_assign_unary): Adjust vector code
        verification.
        (verify_gimple_assign_binary): Likewise.  Handle shifts and
        rotates correctly.
        (verify_gimple_phi): Print the mismatched argument position.
        * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
        Fix types.
        (vect_update_init_of_dr): Likewise.
        * matrix-reorg.c (transform_access_sites): Do what the
        comment suggests.
        * omp-low.c (expand_omp_atomic_pipeline): Use the correct types.

2009-04-13  Michael Eager  <eager@eagercon.com>

        * config/rs6000/rs6000-c.c: generate defines if rs6000_xilinx_fpu:
        _XFPU, _XFPU_SP_LITE, _XFPU_SP_FULL, _XFPU_DP_LITE, _XFPU_DP_FULL
        * config/rs6000/xilinx.h: New.  Spec for powerpc-xilinx-eabi
        * config.gcc (powerpc-xilinx-eabi): add xilinx.h to tm_file,
        remove duplicate config

2009-04-13  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>

        * ipa-inline.c (cgraph_decide_inlining_of_small_function): Dump
        file_name:line_number type locator of the call site.

2009-04-13  Vladimir Makarov  <vmakarov@redhat.com>

        * genautomata.c: Put blank after comma.
        (automaton_decls): New.
        (struct unit_usage): Add comments to member next.
        (store_alt_unit_usage): Keep the list ordered.
        (unit_present_on_list_p, equal_alternatives_p): New.
        (check_regexp_units_distribution): Check units distribution
        correctness correctly.
        (main): Don't write automata if error is found.  Return correct
        exit code.

        * config/m68k/cf.md (cfv4_ds): Remove.
        (cfv4_pOEP1, cfv4_sOEP1, cfv4_pOEP2,cfv4_sOEP2, cfv4_pOEP3,
        cfv4_sOEP3): Assign to cfv4_oep instead of cfv4_ds.

        * config/rs6000/power4.md (lsuq_power4, iq_power4, fpq_power4,
        power4-load-ext, power4-store, power4-store-update,
        power4-fpstore, power4-fpstore-update, power4-two, power4-three,
        power4-insert, power4-compare, power4-lmul-cmp, power4-imul-cmp,
        power4-lmul, , power4-imul, power4-imul3, power4-sdiv,
        power4-sqrt, power4-isync): Modify reservation to make correct
        unit distribution to automata.

        * config/rs6000/power5.md (iq_power5, fpq_power5, power5-store,
        power5-store-update, power5-two, power5-three, power5-lmul,
        power5-imul, power5-imul3, power5-sdiv, power5-sqrt): Ditto.

2009-04-13  Adam Nemet  <anemet@caviumnetworks.com>

        * except.c (pass_set_nothrow_function_flags): Set name and add
        TODO_dump_func.
        (set_nothrow_function_flags): Mention in the dump file when
        changing a function to nothrow.

2009-04-13  Ozkan Sezer  <sezeroz@gmail.com>

        PR/39066
        * gbl-ctors.h (DO_GLOBAL_CTORS_BODY): Use __SIZE_TYPE__
        instead of unsigned long.

2009-04-13  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>

        * config/arm/arm.c (return_used_this_function): Remove.
        (arm_output_function_prologue): Remove use of
        return_used_this_function.
        (output_return_instruction): Replace use of
        return_used_this_function
        by cfun->machine->return_used_this_function.
        (arm_output_epilogue): Likewise.
        (arm_output_function_epilogue): Likewise.
        (thumb_unexpanded_epilogue): Likewise.
        * config/arm/arm.h (struct machine_function):
        New member return_used_this_function.

2009-04-12  Mark Mitchell  <mark@codesourcery.com>

        * doc/install.texi: Correct description of default directory for
        --with-gxx-include-dir.

2009-04-12  Eric Botcazou  <ebotcazou@adacore.com>

        * fold-const.c (build_range_check): Properly deal with enumeral and
        boolean base types.

2009-04-12  Steven Bosscher  <steven@gcc.gnu.org>

        * doc/invoke.texi (max_gcse_passes): Remove documentation.
        * params.def (PARAM_MAX_GCSE_PASSES): Remove.
        * params.h (MAX_GCSE_PASSES): Remove.
        * gcse.c (gcse_main): Run CPROP1, PRE or HOIST, and CPROP2
        in sequence.  Remove ability to run multiple passes.
        (bypass_jumps): Report run as third CPROP pass.

2009-04-12  Adam Nemet  <anemet@caviumnetworks.com>

        PR middle-end/39651
        * except.c (can_throw_external): Look at each insn in a SEQUENCE
        when deciding whether the whole SEQUENCE can throw.

2009-04-12  Uros Bizjak  <ubizjak@gmail.com>

        PR target/39740
        * config/alpha/predicates.md (local_symbolic_operand): Return 1 for
        offseted label references.

2009-04-11  Jan Hubicka  <jh@suse.cz>

        * tree-ssa-pre.c (eliminate): Fix call of update_stmt.

2009-04-11  Richard Guenther  <rguenther@suse.de>

        PR middle-end/39732
        * tree-inline.c (declare_return_variable): Mark DECL_BY_REFERENCE
        return variables as TREE_ADDRESSABLE.

2009-04-11  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/39713
        * tree-ssa-sccvn.c (vn_get_expr_for): Make sure built
        reference trees have SSA_NAME operands.

2009-04-11  Richard Guenther  <rguenther@suse.de>

        PR c/39712
        * c-gimplify.c (c_gimplify_expr): Adjust check for mismatched
        address expressions.

2009-04-11  Dave Korn  <dave.korn.cygwin@gmail.com>

        * config/i386/cygwin-stdint.h (INT_LEAST32_TYPE):  Update to
        match changes in Cygwin 1.7
        (UINT_LEAST32_TYPE, INT_FAST16_TYPE, INT_FAST32_TYPE,
        UINT_FAST16_TYPE, UINT_FAST32_TYPE):  Likewise.

2009-04-10  Paolo Bonzini  <bonzini@gnu.org>

        PR tree-optimization/39701
        * doc/invoke.texi (Optimization Options): Document change in
        meaning and initialization of -fdelete-null-pointer-checks.

2009-04-10  H.J. Lu  <hongjiu.lu@intel.com>

        PR middle-end/39701
        * common.opt (-fdelete-null-pointer-checks): Initialize to 1.

        * opts.c (decode_options): Don't set flag_delete_null_pointer_checks
        here.

        * doc/invoke.texi: Update -fdelete-null-pointer-checks.

2009-04-10  Chao-ying Fu  <fu@mips.com>

        * doc/tm.texi (Instruction Output): Document
        TARGET_ASM_FINAL_POSTSCAN_INSN.
        * target.h (final_postscan_insn): New field in asm_out.
        * target-def.h (TARGET_ASM_FINAL_POSTSCAN_INSN): New define.
        (TARGET_ASM_OUT): Add TARGET_ASM_FINAL_POSTSCAN_INSN.
        * final.c (final_scan_insn): Call
        targetm.asm_out.final_postscan_insn after outputting
        an asm macro and a normal instruction.

        * config/mips/mips.h (FINAL_PRESCAN_INSN): New define.
        * config/mips/mips-protos.h (mips_final_prescan_insn): Declare.
        * config/mips/mips.c (mips_at_reg_p): New for_each_rtx callback.
        (mips_final_prescan_insn, mips_final_postscan_insn): New functions.
        (TARGET_ASM_FINAL_POSTSCAN_INSN): New define.

2009-04-10  Paolo Bonzini  <bonzini@gnu.org>

        PR middle-end/39701
        * fold-const.c (tree_single_nonzero_warnv_p): Pass non-static
        variables as non-NULL even with -fdelete-null-pointer-checks.

2009-04-10  H.J. Lu  <hongjiu.lu@intel.com>

        * config/rs6000/darwin-vecsave.asm: Remove extra "*/".

2009-04-09  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/39678
        * config/i386/i386.c (classify_argument): Handle SCmode with
        (bit_offset % 64) != 0.

2009-04-09  Sandra Loosemore  <sandra@codesourcery.com>

        * doc/invoke.texi (Optimize Options): Add cross-reference to
        -Q --help=optimizers examples.

2009-04-10  Ben Elliston  <bje@au.ibm.com>

        PR target/36800
        * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Do not set
        regalign for the reg == fpr and TDmode case.

2009-04-09  David Ayers  <ayers@fsfe.org>

        PR objc/29200
        * objc/objc-act.c (warn_with_method): Remove helper function.
        (check_duplicates): Call warning and inform directly.
        (really_start_method): Likewise.

2009-04-09  Paolo Bonzini  <bonzini@gnu.org>

        * expmed.c (expand_divmod): Always use a comparison for a division
        by a large unsigned integer.

        * fold-const.c (tree_single_nonzero_warnv_p): Always treat decls
        for things others than variables or functions as nonzero.

2009-04-09  Nick Clifton  <nickc@redhat.com>

        * unwind-compat.c: Change copyright header to refer to version
        3 of the GNU General Public License with version 3.1 of the
        GCC Runtime Library Exception and to point readers at the
        COPYING3 and COPYING3.RUNTIME files and the FSF's license web page.
        * config/alpha/crtfastmath.c: Likewise.
        * config/alpha/linux-unwind.h: Likewise.
        * config/alpha/qrnnd.asm: Likewise.
        * config/alpha/vms-crt0-64.c: Likewise.
        * config/alpha/vms-crt0.c: Likewise.
        * config/alpha/vms-dwarf2.asm: Likewise.
        * config/alpha/vms-dwarf2eh.asm: Likewise.
        * config/alpha/vms-psxcrt0-64.c: Likewise.
        * config/alpha/vms-psxcrt0.c: Likewise.
        * config/alpha/vms_tramp.asm: Likewise.
        * config/arc/initfini.c: Likewise.
        * config/arc/lib1funcs.asm: Likewise.
        * config/arm/bpabi-v6m.S: Likewise.
        * config/arm/bpabi.S: Likewise.
        * config/arm/bpabi.c: Likewise.
        * config/arm/crti.asm: Likewise.
        * config/arm/crtn.asm: Likewise.
        * config/arm/ieee754-df.S: Likewise.
        * config/arm/ieee754-sf.S: Likewise.
        * config/arm/lib1funcs.asm: Likewise.
        * config/arm/libunwind.S: Likewise.
        * config/arm/linux-atomic.c: Likewise.
        * config/arm/mmintrin.h: Likewise.
        * config/arm/pr-support.c: Likewise.
        * config/arm/unaligned-funcs.c: Likewise.
        * config/arm/unwind-arm.c: Likewise.
        * config/arm/unwind-arm.h: Likewise.
        * config/avr/libgcc.S: Likewise.
        * config/bfin/crti.s: Likewise.
        * config/bfin/crtlibid.s: Likewise.
        * config/bfin/crtn.s: Likewise.
        * config/bfin/lib1funcs.asm: Likewise.
        * config/bfin/linux-unwind.h: Likewise.
        * config/cris/arit.c: Likewise.
        * config/cris/cris_abi_symbol.c: Likewise.
        * config/darwin-64.c: Likewise.
        * config/darwin-crt2.c: Likewise.
        * config/darwin-crt3.c: Likewise.
        * config/darwin.h: Likewise.
        * config/dbxelf.h: Likewise.
        * config/dfp-bit.c: Likewise.
        * config/dfp-bit.h: Likewise.
        * config/elfos.h: Likewise.
        * config/fixed-bit.c: Likewise.
        * config/fixed-bit.h: Likewise.
        * config/fp-bit.c: Likewise.
        * config/fp-bit.h: Likewise.
        * config/fr30/crti.asm: Likewise.
        * config/fr30/crtn.asm: Likewise.
        * config/fr30/lib1funcs.asm: Likewise.
        * config/freebsd-spec.h: Likewise.
        * config/frv/cmovd.c: Likewise.
        * config/frv/cmovh.c: Likewise.
        * config/frv/cmovw.c: Likewise.
        * config/frv/frvbegin.c: Likewise.
        * config/frv/frvend.c: Likewise.
        * config/frv/lib1funcs.asm: Likewise.
        * config/glibc-stdint.h: Likewise.
        * config/h8300/clzhi2.c: Likewise.
        * config/h8300/crti.asm: Likewise.
        * config/h8300/crtn.asm: Likewise.
        * config/h8300/ctzhi2.c: Likewise.
        * config/h8300/fixunssfsi.c: Likewise.
        * config/h8300/lib1funcs.asm: Likewise.
        * config/h8300/parityhi2.c: Likewise.
        * config/h8300/popcounthi2.c: Likewise.
        * config/i386/ammintrin.h: Likewise.
        * config/i386/att.h: Likewise.
        * config/i386/avxintrin.h: Likewise.
        * config/i386/biarch64.h: Likewise.
        * config/i386/bmmintrin.h: Likewise.
        * config/i386/cpuid.h: Likewise.
        * config/i386/cross-stdarg.h: Likewise.
        * config/i386/crtfastmath.c: Likewise.
        * config/i386/crtprec.c: Likewise.
        * config/i386/cygming-crtbegin.c: Likewise.
        * config/i386/cygming-crtend.c: Likewise.
        * config/i386/cygwin.asm: Likewise.
        * config/i386/emmintrin.h: Likewise.
        * config/i386/gmm_malloc.h: Likewise.
        * config/i386/gthr-win32.c: Likewise.
        * config/i386/i386.h: Likewise.
        * config/i386/immintrin.h: Likewise.
        * config/i386/linux-unwind.h: Likewise.
        * config/i386/linux64.h: Likewise.
        * config/i386/mm3dnow.h: Likewise.
        * config/i386/mmintrin-common.h: Likewise.
        * config/i386/mmintrin.h: Likewise.
        * config/i386/nmmintrin.h: Likewise.
        * config/i386/pmm_malloc.h: Likewise.
        * config/i386/pmmintrin.h: Likewise.
        * config/i386/smmintrin.h: Likewise.
        * config/i386/sol2-c1.asm: Likewise.
        * config/i386/sol2-ci.asm: Likewise.
        * config/i386/sol2-cn.asm: Likewise.
        * config/i386/sol2-gc1.asm: Likewise.
        * config/i386/tmmintrin.h: Likewise.
        * config/i386/unix.h: Likewise.
        * config/i386/w32-unwind.h: Likewise.
        * config/i386/wmmintrin.h: Likewise.
        * config/i386/x86-64.h: Likewise.
        * config/i386/x86intrin.h: Likewise.
        * config/i386/xmmintrin.h: Likewise.
        * config/ia64/crtbegin.asm: Likewise.
        * config/ia64/crtend.asm: Likewise.
        * config/ia64/crtfastmath.c: Likewise.
        * config/ia64/crti.asm: Likewise.
        * config/ia64/crtn.asm: Likewise.
        * config/ia64/fde-glibc.c: Likewise.
        * config/ia64/lib1funcs.asm: Likewise.
        * config/ia64/linux-unwind.h: Likewise.
        * config/ia64/quadlib.c: Likewise.
        * config/ia64/unwind-ia64.c: Likewise.
        * config/linux.h: Likewise.
        * config/m32c/m32c-lib1.S: Likewise.
        * config/m32c/m32c-lib2-trapv.c: Likewise.
        * config/m32c/m32c-lib2.c: Likewise.
        * config/m32r/initfini.c: Likewise.
        * config/m68hc11/larith.asm: Likewise.
        * config/m68hc11/m68hc11-crt0.S: Likewise.
        * config/m68k/cf.md: Likewise.
        * config/m68k/crti.s: Likewise.
        * config/m68k/crtn.s: Likewise.
        * config/m68k/lb1sf68.asm: Likewise.
        * config/m68k/linux-unwind.h: Likewise.
        * config/mcore/crti.asm: Likewise.
        * config/mcore/crtn.asm: Likewise.
        * config/mcore/lib1.asm: Likewise.
        * config/mips/linux-unwind.h: Likewise.
        * config/mips/loongson.h: Likewise.
        * config/mips/mips16.S: Likewise.
        * config/mmix/crti.asm: Likewise.
        * config/mmix/crtn.asm: Likewise.
        * config/pa/fptr.c: Likewise.
        * config/pa/hpux-unwind.h: Likewise.
        * config/pa/lib2funcs.asm: Likewise.
        * config/pa/linux-atomic.c: Likewise.
        * config/pa/linux-unwind.h: Likewise.
        * config/pa/milli64.S: Likewise.
        * config/pa/quadlib.c: Likewise.
        * config/pa/stublib.c: Likewise.
        * config/picochip/libgccExtras/adddi3.asm: Likewise.
        * config/picochip/libgccExtras/ashlsi3.asm: Likewise.
        * config/picochip/libgccExtras/ashlsi3.c: Likewise.
        * config/picochip/libgccExtras/ashrsi3.asm: Likewise.
        * config/picochip/libgccExtras/ashrsi3.c: Likewise.
        * config/picochip/libgccExtras/cmpsi2.asm: Likewise.
        * config/picochip/libgccExtras/divmod15.asm: Likewise.
        * config/picochip/libgccExtras/divmodhi4.asm: Likewise.
        * config/picochip/libgccExtras/divmodsi4.asm: Likewise.
        * config/picochip/libgccExtras/longjmp.asm: Likewise.
        * config/picochip/libgccExtras/lshrsi3.asm: Likewise.
        * config/picochip/libgccExtras/lshrsi3.c: Likewise.
        * config/picochip/libgccExtras/parityhi2.asm: Likewise.
        * config/picochip/libgccExtras/popcounthi2.asm: Likewise.
        * config/picochip/libgccExtras/setjmp.asm: Likewise.
        * config/picochip/libgccExtras/subdi3.asm: Likewise.
        * config/picochip/libgccExtras/ucmpsi2.asm: Likewise.
        * config/picochip/libgccExtras/udivmodhi4.asm: Likewise.
        * config/picochip/libgccExtras/udivmodsi4.asm: Likewise.
        * config/rs6000/750cl.h: Likewise.
        * config/rs6000/altivec.h: Likewise.
        * config/rs6000/biarch64.h: Likewise.
        * config/rs6000/crtresfpr.asm: Likewise.
        * config/rs6000/crtresgpr.asm: Likewise.
        * config/rs6000/crtresxfpr.asm: Likewise.
        * config/rs6000/crtresxgpr.asm: Likewise.
        * config/rs6000/crtsavfpr.asm: Likewise.
        * config/rs6000/crtsavgpr.asm: Likewise.
        * config/rs6000/darwin-asm.h: Likewise.
        * config/rs6000/darwin-fallback.c: Likewise.
        * config/rs6000/darwin-fpsave.asm: Likewise.
        * config/rs6000/darwin-ldouble.c: Likewise.
        * config/rs6000/darwin-tramp.asm: Likewise.
        * config/rs6000/darwin-unwind.h: Likewise.
        * config/rs6000/darwin-vecsave.asm: Likewise.
        * config/rs6000/darwin-world.asm: Likewise.
        * config/rs6000/e500crtres32gpr.asm: Likewise.
        * config/rs6000/e500crtres64gpr.asm: Likewise.
        * config/rs6000/e500crtres64gprctr.asm: Likewise.
        * config/rs6000/e500crtrest32gpr.asm: Likewise.
        * config/rs6000/e500crtrest64gpr.asm: Likewise.
        * config/rs6000/e500crtresx32gpr.asm: Likewise.
        * config/rs6000/e500crtresx64gpr.asm: Likewise.
        * config/rs6000/e500crtsav32gpr.asm: Likewise.
        * config/rs6000/e500crtsav64gpr.asm: Likewise.
        * config/rs6000/e500crtsav64gprctr.asm: Likewise.
        * config/rs6000/e500crtsavg32gpr.asm: Likewise.
        * config/rs6000/e500crtsavg64gpr.asm: Likewise.
        * config/rs6000/e500crtsavg64gprctr.asm: Likewise.
        * config/rs6000/eabi-ci.asm: Likewise.
        * config/rs6000/eabi-cn.asm: Likewise.
        * config/rs6000/eabi.asm: Likewise.
        * config/rs6000/linux-unwind.h: Likewise.
        * config/rs6000/linux64.h: Likewise.
        * config/rs6000/paired.h: Likewise.
        * config/rs6000/paired.md: Likewise.
        * config/rs6000/ppc64-fp.c: Likewise.
        * config/rs6000/ppu_intrinsics.h: Likewise.
        * config/rs6000/rs6000.h: Likewise.
        * config/rs6000/si2vmx.h: Likewise.
        * config/rs6000/sol-ci.asm: Likewise.
        * config/rs6000/sol-cn.asm: Likewise.
        * config/rs6000/spe.h: Likewise.
        * config/rs6000/spu2vmx.h: Likewise.
        * config/rs6000/sysv4.h: Likewise.
        * config/rs6000/tramp.asm: Likewise.
        * config/rs6000/vec_types.h: Likewise.
        * config/s390/linux-unwind.h: Likewise.
        * config/s390/tpf-unwind.h: Likewise.
        * config/score/crti.asm: Likewise.
        * config/score/crtn.asm: Likewise.
        * config/sh/crt1.asm: Likewise.
        * config/sh/crti.asm: Likewise.
        * config/sh/crtn.asm: Likewise.
        * config/sh/divtab-sh4-300.c: Likewise.
        * config/sh/divtab-sh4.c: Likewise.
        * config/sh/divtab.c: Likewise.
        * config/sh/lib1funcs-4-300.asm: Likewise.
        * config/sh/lib1funcs-Os-4-200.asm: Likewise.
        * config/sh/lib1funcs.asm: Likewise.
        * config/sh/lib1funcs.h: Likewise.
        * config/sh/linux-atomic.asm: Likewise.
        * config/sh/linux-unwind.h: Likewise.
        * config/sh/shmedia.h: Likewise.
        * config/sh/sshmedia.h: Likewise.
        * config/sh/ushmedia.h: Likewise.
        * config/sparc/crtfastmath.c: Likewise.
        * config/sparc/linux-unwind.h: Likewise.
        * config/sparc/sol2-c1.asm: Likewise.
        * config/sparc/sol2-ci.asm: Likewise.
        * config/sparc/sol2-cn.asm: Likewise.
        * config/spu/divmodti4.c: Likewise.
        * config/spu/divv2df3.c: Likewise.
        * config/spu/float_disf.c: Likewise.
        * config/spu/float_unsdidf.c: Likewise.
        * config/spu/float_unsdisf.c: Likewise.
        * config/spu/float_unssidf.c: Likewise.
        * config/spu/mfc_multi_tag_release.c: Likewise.
        * config/spu/mfc_multi_tag_reserve.c: Likewise.
        * config/spu/mfc_tag_release.c: Likewise.
        * config/spu/mfc_tag_reserve.c: Likewise.
        * config/spu/mfc_tag_table.c: Likewise.
        * config/spu/multi3.c: Likewise.
        * config/spu/spu_internals.h: Likewise.
        * config/spu/spu_intrinsics.h: Likewise.
        * config/spu/spu_mfcio.h: Likewise.
        * config/spu/vec_types.h: Likewise.
        * config/spu/vmx2spu.h: Likewise.
        * config/stormy16/stormy16-lib2.c: Likewise.
        * config/svr4.h: Likewise.
        * config/sync.c: Likewise.
        * config/v850/lib1funcs.asm: Likewise.
        * config/vxlib-tls.c: Likewise.
        * config/vxlib.c: Likewise.
        * config/vxworks-dummy.h: Likewise.
        * config/xtensa/crti.asm: Likewise.
        * config/xtensa/crtn.asm: Likewise.
        * config/xtensa/ieee754-df.S: Likewise.
        * config/xtensa/ieee754-sf.S: Likewise.
        * config/xtensa/lib1funcs.asm: Likewise.
        * config/xtensa/lib2funcs.S: Likewise.
        * config/xtensa/linux-unwind.h: Likewise.
        * config/xtensa/unwind-dw2-xtensa.c: Likewise.
        * config/xtensa/unwind-dw2-xtensa.h: Likewise.
        * coretypes.h: Likewise.
        * crtstuff.c: Likewise.
        * defaults.h: Likewise.
        * dwarf2.h: Likewise.
        * emutls.c: Likewise.
        * gbl-ctors.h: Likewise.
        * gcov-io.h: Likewise.
        * ginclude/float.h: Likewise.
        * ginclude/iso646.h: Likewise.
        * ginclude/stdarg.h: Likewise.
        * ginclude/stdbool.h: Likewise.
        * ginclude/stddef.h: Likewise.
        * ginclude/stdfix.h: Likewise.
        * ginclude/stdint-gcc.h: Likewise.
        * ginclude/tgmath.h: Likewise.
        * gthr-aix.h: Likewise.
        * gthr-dce.h: Likewise.
        * gthr-gnat.c: Likewise.
        * gthr-gnat.h: Likewise.
        * gthr-lynx.h: Likewise.
        * gthr-mipssde.h: Likewise.
        * gthr-nks.h: Likewise.
        * gthr-posix.c: Likewise.
        * gthr-posix.h: Likewise.
        * gthr-posix95.h: Likewise.
        * gthr-rtems.h: Likewise.
        * gthr-single.h: Likewise.
        * gthr-solaris.h: Likewise.
        * gthr-tpf.h: Likewise.
        * gthr-vxworks.h: Likewise.
        * gthr-win32.h: Likewise.
        * gthr.h: Likewise.
        * libgcc2.c: Likewise.
        * libgcc2.h: Likewise.
        * libgcov.c: Likewise.
        * tsystem.h: Likewise.
        * typeclass.h: Likewise.
        * unwind-c.c: Likewise.
        * unwind-compat.h: Likewise.
        * unwind-dw2-fde-compat.c: Likewise.
        * unwind-dw2-fde-darwin.c: Likewise.
        * unwind-dw2-fde-glibc.c: Likewise.
        * unwind-dw2-fde.c: Likewise.
        * unwind-dw2-fde.h: Likewise.
        * unwind-dw2.c: Likewise.
        * unwind-dw2.h: Likewise.
        * unwind-generic.h: Likewise.
        * unwind-pe.h: Likewise.
        * unwind-sjlj.c: Likewise.
        * unwind.inc: Likewise.
        * config/arm/neon-gen.ml: Change generated copyright header to
        refer to version 3 of the GNU General Public License with
        version 3.1 of the GCC Runtime Library Exception and to point
        readers at the COPYING3 and COPYING3.RUNTIME files and the
        FSF's license web page.
        * config/arm/arm_neon.h: Regenerate.

2009-04-09  Jakub Jelinek  <jakub@redhat.com>

        * config/cris/cris.md: Change copyright header to refer to version
        3 of the GNU General Public License.
        * doc/install.texi2html: Change copyright header to refer to version
        3 of the GNU General Public License and to point readers at the
        COPYING3 file and the FSF's license web page.
        * config/vax/linux.h: Likewise.

2009-04-09  Paolo Bonzini  <bonzini@gnu.org>

        * config/i386/i386.md (cmpcc): New.
        * config/i386/sync.md (sync_compare_and_swap*): Set FLAGS_REG.
        (sync_compare_and_swap_cc*): Delete.

        * config/s390/s390.c (s390_compare_emitted): Remove.
        (s390_emit_compare): Handle MODE_CC s390_compare_op0 like
        s390_compare_emitted used to be handled.  Assert that modes match.
        (s390_emit_compare_and_swap): Use s390_emit_compare, do not
        refer to sync_compare_and_swap_ccsi.
        * config/s390/s390.h (s390_compare_emitted): Remove.
        * config/s390/s390.md (seq): Look for MODE_CC s390_compare_op0
        instead of s390_compare_emitted.
        (stack_protect_test, sync_compare_and_swap_cc): Set s390_compare_op0
        instead of s390_compare_emitted.
        * config/s390/s390.md (cmpcc): New.
        (sync_compare_and_swapqi, sync_compare_and_swaphi): Clobber
        CC_REGNUM, do not pretend it's set.
        (sync_compare_and_swap_cc*): Delete.
        * config/s390/predicates.md (cc_reg_operand): New.

        * expr.c (sync_compare_and_swap_cc): Delete.
        * optabs.h (sync_compare_and_swap_cc): Delete.
        * optabs.c (prepare_cmp_insn): Ignore which specific CCmode
        is being used with can_compare_p.
        (emit_cmp_and_jump_insn_1): Likewise when looking in the optab.
        (find_cc_set): New.
        (expand_bool_compare_and_swap): Do not use sync_compare_and_swap_cc,
        look for a MODE_CC set instead.  Use emit_store_flag.
        (expand_compare_and_swap_loop): Likewise, with some additional
        complication to avoid a force_reg when useless.  Use
        emit_cmp_and_jump_insns.
        * genopinit.c (optabs): Delete sync_compare_and_swap_cc.
        * doc/md.texi (sync_compare_and_swap_cc): Merge with
        sync_compare_and_swap documentation.

2009-04-09  Jan Hubicka  <jh@suse.cz>

        * except.c (find_prev_try): Break out from ....
        (duplicate_eh_regions): ... here; properly update prev_try pointers
        when duplication part of tree.
        (dump_eh_tree): Improve dumping.
        (verify_eh_region): New.
        (verify_eh_tree): Use it.

2009-04-06  Richard Guenther  <rguenther@suse.de>

        * c-gimplify.c (c_gimplify_expr): Fix the invalid GENERIC
        &ARRAY addresses by adjusting their types and prepending
        a conversion.
        * tree-cfg.c (verify_gimple_assign_single): Verify that
        addresses are correct.

2009-04-09  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-ccp.c (maybe_fold_stmt_addition): Move non-constant
        indices into an array reference if possible.
        * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
        Fold POINTER_PLUS_EXPR statements with invariant address.

2009-04-09  Alan Modra  <amodra@bigpond.net.au>

        PR target/39634
        * config.gcc (powerpc64-*-linux*): Always build biarch.

2009-04-09  Joseph Myers  <joseph@codesourcery.com>

        PR c/39613
        * c-typeck.c (do_case): If case label is not an INTEGER_CST, fold
        it and pedwarn if this results in an INTEGER_CST.

2009-04-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * doc/install.texi: Update minimum GMP version.  Remove obsolete
        text in MPFR section.

2009-04-08  Jakub Jelinek  <jakub@redhat.com>

        * dwarf2out.c (class_scope_p): New static inline.
        (class_or_namespace_scope_p): Use it.
        (gen_variable_die): Use DW_TAG_member tag for static data member
        declarations instead of DW_TAG_variable.

        PR middle-end/39573
        * omp-low.c (expand_omp_taskreg): Finalize taskreg static local_decls
        variables.

2009-04-08  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-sccvn.c (valueize_refs): Do not continue to
        valueize random data.

2009-04-08  David Edelsohn  <edelsohn@gnu.org>

        * config.gcc (aix tm_file):  Add aix-stdint.h.
        (aix tm clause use_gcc_stdint):  Set to wrap.
        * config/rs6000/aix-stdint.h:  New file.

2009-04-08  Richard Guenther  <rguenther@suse.de>

        PR middle-end/36291
        * tree-dfa.c (add_referenced_var): Do not recurse into
        global initializers.
        * tree-ssa-ccp.c (get_symbol_constant_value): Add newly
        exposed variables.
        (fold_const_aggregate_ref): Likewise.

2009-04-08  Paolo Bonzini  <bonzini@gnu.org>

        * recog.c (ordered_comparison_operator): New.
        * gensupport.c (std_preds): Add it.
        * doc/md.texi (Machine-Independent Predicates): Document it.

2009-04-08  Jan Hubicka  <jh@suse.cz>

        * tree-eh.c (cleanup_eh): When not optimizing, do not try EH merging.
        * function.h (rtl_eh): Remove exception_handler_label_map.
        * except.c (ehl_hash, ehl_eq, add_ehl_entry,
        remove_exception_handler_label, for_each_eh_label_1): Remove.
        (rtl_remove_unreachable_regions): Remove.
        (convert_from_eh_region_ranges): Do not remove unreachable regions.
        (find_exception_handler_labels): Don't build the hashtable.
        (maybe_remove_eh_handler): Remove.
        (for_each_eh_label): Rewrite to walk the tree.
        (rest_of_handle_eh): Do not cleanup cfg prior EH construction.
        * except.h (maybe_remove_eh_handler): Remove.
        * passes.c (init_optimization_passes): Schedule second EH cleanup
        before out-of-ssa.
        * cfgrtl.c (rtl_delete_block, rtl_merge_blocks,
        cfg_layout_merge_blocks): Do not call maybe_remove_eh_handler.

2009-04-08  Paolo Bonzini  <bonzini@gnu.org>

        * genoutput.c (validate_optab_operands): New.
        (gen_insn, gen_expand): Call it.

        * genflags.c (gen_insn): Detect misused iterators.
        (main): Pass line_no to gen_insn, exit with status 1 on error.

        * genextract.c (line_no): Make global.
        (VEC_safe_set_locstr): Change assertion to error message.
        (main): Exit with status 1 on error.

2009-04-08  Joseph Myers  <joseph@codesourcery.com>

        PR c/39614
        PR c/39673
        * c-common.h (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
        C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
        EXPR_INT_CONST_OPERANDS): Remove duplicate definitions.
        * c-convert.c (convert): Do not call fold on results of conversion
        functions when the result is a C_MAYBE_CONST_EXPR.
        * c-parser.c (c_parser_postfix_expression): Do not fold condition
        of __builtin_choose_expr.
        * c-typeck.c (remove_c_maybe_const_expr): New.
        (build_unary_op, build_conditional_expr, build_compound_expr,
        build_binary_op, c_objc_common_truthvalue_conversion): Call
        remove_c_maybe_const_expr on any input C_MAYBE_CONST_EXPR with
        integer operands.

2009-04-08  Bingfeng Mei  <bmei@broadcom.com>

        * fold-const.c (const_binop): Combine two VECTOR_CST under operation
        CODE to produce a new one. Add a prototype to use fold_convert_const

2009-04-08  Danny Smith  <dannysmith@users.sourceforge.net>

        PR bootstrap/39660
        * config/i386/host-mingw32.c (mingw32_gt_pch_use_address): Don't
        mix declarations and code.

2009-04-08  Ben Elliston  <bje@au.ibm.com>

        * gcc.c: Replace `CC' with `GCC' throughout.

2009-04-07  H.J. Lu  <hongjiu.lu@intel.com>

        * doc/invoke.texi: Document Atom support.

2009-04-07  Jason Merrill  <jason@redhat.com>

        PR c++/25185
        * c-common.h, c-common.c: Add flag_pretty_templates.
        * c-opts.c (c_common_handle_option): Set it.
        * c.opt: Add -fno-pretty-templates.
        * doc/invoke.texi (C++ Dialect Options): Likewise.

2009-04-07  Uros Bizjak  <ubizjak@gmail.com>

        * config/ia64/ia64.c (ia64_builtins): Add IA64_BUILTIN_HUGE_VALQ.
        (ia64_init_builtins): Handle IA64_BUILTIN_HUGE_VALQ.
        (ia64_expand_builtin): Likewise.

2009-04-07  Martin Jambor  <mjambor@suse.cz>

        * tree-ssa-alias.c (refs_may_alias_p_1): Check for
        is_gimple_min_invariant rather than CONSTANT_CLASS_P so that invariant
        ADDR_EXPRS are include too.

2009-04-07  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Non-aliased
        decls are only used if passes as parameters or if they are
        local statics and the call is not to a builtin.
        (call_may_clobber_ref_p_1): Likewise.

2009-04-07  Paolo Bonzini  <bonzini@gnu.org>

        * expr.c (do_store_flag): Remove last argument.  Simplify code
        to avoid duplication of tests already done by can_compare_p.
        (expand_expr_real_1): Adjust caller.

2009-04-07  Paolo Bonzini  <bonzini@gnu.org>

        * optabs.c (can_compare_p): Test the predicate of a
        cbranch and cstore pattern.

2009-04-07  Paolo Bonzini  <bonzini@gnu.org>

        * expr.c (convert_move): Use emit_store_flag instead of
        "emulating" it.

2009-04-07  Paolo Bonzini  <bonzini@gnu.org>

        * config/i386/i386.c (ix86_compare_emitted): Remove.
        (ix86_expand_compare, ix86_expand_branch): Handle MODE_CC
        ix86_compare_op0 like ix86_compare_emitted used to be handled.
        * config/i386/i386.h (ix86_compare_emitted): Remove.
        * config/i386/i386.md (stack_protect_test): Set ix86_compare_op0
        instead of ix86_compare_emitted.
        * config/i386/sync.md (sync_compare_and_swap_cc): Likewise.

2009-04-07  Andrew Stubbs  <ams@codesourcery.com>

        * config.gcc (sh-*-*): Add sysroot-suffix.h to tm_file.
        Add t-sysroot-suffix to tmake_file.
        * config/print-sysroot-suffix.sh: New file.
        * config/t-sysroot-suffix: New file.

2009-04-07  Ben Elliston  <bje@au.ibm.com>

        * libgcc2.c (INFINITY): Use __builtin_huge_val, not __builtin_inf,
        as the latter produces a warning when the target does not support
        infinity.

2009-04-07  Ben Elliston  <bje@au.ibm.com>

        * dfp.c: Replace type punning assignments with memcpy throughout.
        * Makefile.in (dfp.o-warn): Remove.

2009-04-07  Alan Modra  <amodra@bigpond.net.au>

        PR target/39634
        * config.gcc: Merge powerpc-*-linux* and powerpc64-*-linux*.
        Include soft-fp/t-softfp after rs6000/t-linux64.

2009-04-06  Eric Botcazou  <ebotcazou@adacore.com>

        * stor-layout.c (set_sizetype): Use the full precision of their
        machine mode for bitsize types.

2009-04-06  H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/i386.md: Revert 2 accidental checkins.

2009-04-06  Joey Ye  <joey.ye@intel.com>
            Xuepeng Guo  <xuepeng.guo@intel.com>
            H.J. Lu  <hongjiu.lu@intel.com>

        Atom pipeline model, tuning and insn selection.
        * config.gcc (atom): Add atom config options and target.

        * config/i386/atom.md: New.

        * config/i386/i386.c (atom_cost): New cost.
        (m_ATOM): New macro flag.
        (initial_ix86_tune_features): Set m_ATOM.
        (x86_accumulate_outgoing_args): Likewise.
        (x86_arch_always_fancy_math_387): Likewise.
        (processor_target): Add Atom cost.
        (cpu_names): Add Atom cpu name.
        (override_options): Set Atom ISA.
        (ix86_issue_rate): New case PROCESSOR_ATOM.
        (ix86_adjust_cost): Likewise.

        * config/i386/i386.h (TARGET_ATOM): New target macro.
        (ix86_tune_indices): Add X86_TUNE_OPT_AGU.
        (TARGET_OPT_AGU): New target option.
        (target_cpu_default): Add TARGET_CPU_DEFAULT_atom.
        (processor_type): Add PROCESSOR_ATOM.

        * config/i386/i386.md (cpu): Add new value "atom".
        (use_carry, movu): New attr.
        (atom.md): Include atom.md.
        (adddi3_carry_rex64): Set attr "use_carry".
        (addqi3_carry): Likewise.
        (addhi3_carry): Likewise.
        (addsi3_carry): Likewise.
        (*addsi3_carry_zext): Likewise.
        (subdi3_carry_rex64): Likewise.
        (subqi3_carry): Likewise.
        (subhi3_carry): Likewise.
        (subsi3_carry): Likewise.
        (x86_movdicc_0_m1_rex64): Likewise.
        (*x86_movdicc_0_m1_se): Likewise.
        (x86_movsicc_0_m1): Likewise.
        (*x86_movsicc_0_m1_se): Likewise.
        (*adddi_1_rex64): Emit add insn as much as possible.
        (*addsi_1): Likewise.
        (return_internal): Set atom_unit.
        (return_internal_long): Likewise.
        (return_pop_internal): Likewise.
        (*rcpsf2_sse): Set atom_sse_attr attr.
        (*qrt<mode>2_sse): Likewise.
        (*prefetch_sse): Likewise.

        * config/i386/i386-c.c (ix86_target_macros_internal): New case
        PROCESSOR_ATOM.
        (ix86_target_macros_internal): Likewise.

        * config/i386/sse.md (cpu): Set attr "atom_sse_attr".
        (*prefetch_sse_rex): Likewise.
        (sse_rcpv4sf2): Likewise.
        (sse_vmrcpv4sf2): Likewise.
        (sse_sqrtv4sf2): Likewise.
        (<sse>_vmsqrt<mode>2): Likewise.
        (sse_ldmxcsr): Likewise.
        (sse_stmxcsr): Likewise.
        (*sse_sfence): Likewise.
        (sse2_clflush): Likewise.
        (*sse2_mfence): Likewise.
        (*sse2_lfence): Likewise.
        (avx_movup<avxmodesuffixf2c><avxmodesuffix>): Set attr "movu".
        (<sse>_movup<ssemodesuffixf2c>): Likewise.
        (avx_movdqu<avxmodesuffix>): Likewise.
        (avx_lddqu<avxmodesuffix>): Likewise.
        (sse2_movntv2di): Change attr "type" to "ssemov".
        (sse2_movntsi): Likewise.
        (rsqrtv8sf2): Change attr "type" to "sseadd".
        (sse3_addsubv2df3): Set attr "atom_unit".
        (sse3_h<plusminus_insn>v4sf3): Likewise.
        (*sse2_pmaddwd): Likewise.
        (*vec_extractv2di_1_rex64): Likewise.
        (*vec_extractv2di_1_avx): Likewise.
        (sse2_psadbw): Likewise.
        (ssse3_phaddwv8hi3): Likewise.
        (ssse3_phaddwv4hi3): Likewise.
        (ssse3_phadddv4si3): Likewise.
        (ssse3_phadddv2si3): Likewise.
        (ssse3_phaddswv8hi3): Likewise.
        (ssse3_phaddswv4hi3): Likewise.
        (ssse3_phsubwv8hi3): Likewise.
        (ssse3_phsubwv4hi3): Likewise.
        (ssse3_phsubdv4si3): Likewise.
        (ssse3_phsubdv2si3): Likewise.
        (ssse3_phsubswv8hi3): Likewise.
        (ssse3_phsubswv4hi3): Likewise.
        (ssse3_pmaddubsw128): Likewise.
        (sse3_pmaddubsw: Likewise.
        (ssse3_palignrti): Likewise.
        (ssse3_palignrdi): Likewise.

2009-04-06  Gerald Pfeifer  <gerald@pfeifer.com>

        * doc/install.texi (Specific): Fix two cross-references to MinGW.

2009-04-06  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/28868
        * tree-ssa-pre.c (inserted_phi_names): New bitmap to keep track
        of which PHI results we inserted.
        (insert_into_preds_of_block): Record inserted PHIs.
        (eliminate): Eliminate redundant PHI nodes.
        (init_pre): Init inserted_phi_names.

2009-04-06  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/39643
        * tree-ssa-ccp.c (ccp_fold): Fold REALPART_EXPRs and
        IMAGPART_EXPRs of complex constants.
        (execute_fold_all_builtins): If we folded a call queue
        TODO_update_address_taken.

2009-04-06  Jan Hubicka  <jh@suse.cz>

        PR middle-end/39659
        * except.c (remove_unreachable_regions): Propagate may_contain_throw
        flag.

2009-04-06  Andrew Stubbs  <ams@codesourcery.com>

        * config/sh/lib1funcs.asm (ic_invalidate): Move ICBI out of the
        delay slot.
        (ic_invalidate_array): Likewise.

2009-04-06  Hariharan Sandanagobalane  <hariharan@picochip.com>

        * calls.c (emit_library_call_value_1): Fix a problem with parameter
        alignment for library calls.

2009-04-06  Danny Smith  <dannysmith@users.sourceforge.net>

        * config.gcc (mingw32 tm_file):  Add mingw-stdint.h.
        (mingw32 tm clause use_gcc_stdint):  Set to wrap.
        * config/i386/mingw-stdint.h:  New file.

2009-04-05  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/39648
        * tree-ssa-sccvn.c (vn_reference_fold_indirect): Work around
        our &A vs. &A[0] IL deficiencies.

2009-04-04  Jan Hubicka  <jh@suse.cz>

        * except.c (sjlj_find_directly_reachable_regions): Be ready for
        removed toplevel regions.
        (sjlj_mark_call_sites): Likewise.

2009-04-04  Dave Korn  <dave.korn.cygwin@gmail.com>

        * config.gcc (cygwin tm_file):  Add cygwin-stdint.h.
        (cygwin tm clause use_gcc_stdint):  Set to wrap.
        * config/i386/cygwin-stdint.h:  New file.

2009-04-04  Richard Guenther  <rguenther@suse.de>

        * Makefile.in (tree-ssa-copy.o): Add $(CFGLOOP_H) dependency.
        * tree-ssa-copy.c (init_copy_prop): Do not propagate through
        single-argument PHIs if we are in loop-closed SSA form.
        * tree-vect-loop-manip.c (slpeel_add_loop_guard): Pass extra guards
        for the pre-condition.
        (slpeel_tree_peel_loop_to_edge): Likewise.
        (vect_build_loop_niters): Take an optional sequence to append stmts.
        (vect_generate_tmps_on_preheader): Likewise.
        (vect_do_peeling_for_loop_bound): Take extra guards for the
        pre-condition.
        (vect_do_peeling_for_alignment): Adjust.  Unconditionally apply
        the cost model check.
        (vect_loop_versioning): Take stmt and stmt list to put pre-condition
        guards if we are going to peel.  Do not apply versioning in that case.
        * tree-vectorizer.h (vect_loop_versioning): Adjust declaration.
        (vect_do_peeling_for_loop_bound): Likewise.
        * tree-vect-loop.c (vect_transform_loop): If we are peeling for
        loop bound only record extra pre-conditions, do not apply loop
        versioning.

2009-04-04  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-operands.c (pop_stmt_changes): Remove automatic
        renaming code.

2009-04-04  Jan Hubicka  <jh@suse.cz>

        * tree-ssa-uncprop.c (associate_equivalences_with_edges): Use
        last_basic_block for size of bb->index indexed array.
        * bt-load.c (compute_defs_uses_and_gen, compute_kill,
        compute_out, link_btr_uses, build_btr_def_use_webs,
        build_btr_def_use_webs, migrate_btr_defs): Likewise.

2009-04-04  Jan Hubicka  <jh@suse.cz>

        * except.c (remove_eh_handler_and_replace): Break out from ...
        (remove_eh_handler): ... here.
        (bring_to_root): New function.
        (remove_unreachable_regions): Collect MUST_NOT_THROW, unify runtime
        handled ones, bring others to root of tree.

2009-04-04  Jan Hubicka  <jh@suse.cz>

        * tree-eh.c (tree_empty_eh_handler_p): Pattern match more curefully.
        (all_phis_safe_to_merge): New function.
        (update_info): New structure.
        (make_eh_edge_and_update_phi, update_eh_edges): New functions.
        (cleanup_empty_eh): Update SSA if possible.

2009-04-04  Richard Guenther  <rguenther@suse.de>

        * tree-ssa.c (verify_ssa): With -O0 we do not need VOPs.
        * tree-ssa-operands.c (append_vdef): Do not append VOPs at -O0.
        (append_vuse): Likewise.

2009-04-04  Jakub Jelinek  <jakub@redhat.com>

        * unwind-dw2.h (_Unwind_FrameState): Add REG_UNDEFINED enum value.
        * unwind-dw2.c (execute_cfa_program): Set how to REG_UNDEFINED
        instead of REG_UNSAVED for DW_CFA_undefined.
        (uw_update_context_1): Handle REG_UNDEFINED the same as REG_UNSAVED.
        (uw_update_context): If RA column is REG_UNDEFINED, mark it as
        outermost frame.

2009-04-04  Richard Earnshaw  <rearnsha@arm.com>

        PR target/39501
        * arm.md (movsfcc): Disable if not TARGET_HARD_FLOAT.

2009-04-04  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/8781
        PR tree-optimization/37892
        * tree-ssa-sccvn.h (vn_reference_fold_indirect): Declare.
        * tree-ssa-sccvn.c (vn_reference_fold_indirect): New function.
        (valueize_refs): Call it for *& valueizations.
        (shared_reference_ops_from_ref): Rename to ...
        (valueize_shared_reference_ops_from_ref): ... this and valueize.
        (shared_reference_ops_from_call): Rename to ...
        (valueize_shared_reference_ops_from_call): ... this and valueize.
        (vn_reference_lookup): Update.
        (visit_reference_op_call): Likewise.
        * tree-ssa-pre.c (phi_translate_1): Fold *&.
        (eliminate): Value-replace the call address in call statements.

2009-04-04  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/39636
        * tree-ssa-forwprop.c
        (forward_propagate_addr_into_variable_array_index): Check for
        GIMPLE_ASSIGN before accessing the rhs code.

2009-04-03  Jason Merrill  <jason@redhat.com>

        * stor-layout.c (set_sizetype): Set TYPE_CANONICAL.

2009-04-03  Steve Ellcey  <sje@cup.hp.com>

        * config/ia64/ia64.md (extendsfdf2, extendsfxf2, extenddfxf2,
        truncdfsf2, truncxfsf2, truncxfdf2, floatdixf2, fix_truncsfdi2,
        fix_truncdfdi2, fix_truncxfdi2, fix_truncxfdi2_alts, floatunsdisf2,
        floatunsdidf2, floatunsdixf2, fixuns_truncsfdi2, fixuns_truncdfdi2,
        fixuns_truncxfdi2, fixuns_truncxfdi2_alts, divsi3_internal,
        smuldi3_highpart, umuldi3_highpart, ctzdi2, *getf_exp_xf,
        divdi3_internal_lat, divdi3_internal_thr, mulditi3, *mulditi3_internal,
        umulditi3, *umulditi3_internal, addsf3, mulsf3, abssf2, negsf2,
        *nabssf2, sminsf3, smaxsf3, *maddsf4, *msubsf4, *nmulsf3, *nmaddsf4,
        *nmaddsf4_alts, divsf3, *sqrt_approx, sqrtsf2, sqrtsf2_internal_thr,
        adddf3, *adddf3_trunc, muldf3, *muldf3_trunc, absdf2, negdf2, *nabsdf2,
        smindf3, smaxdf3, *madddf4, *madddf4_trunc, *msubdf4, *msubdf4_trunc,
        *nmuldf3, *nmuldf3_trunc, *nmadddf4, *nmadddf4_alts, *nmadddf4_truncsf,
        *nmadddf4_truncsf_alts, divdf3, sqrtdf2, sqrtdf2_internal_thr, divxf3,
        sqrtxf2, sqrtxf2_internal_thr, *recip_approx):
        Use fr_reg_or_fp01_operand instead of fr_register_operand

        * config/ia64/div.md (extend<mode>rf2, truncrf<mode>2,
        recip_approx_rf, divsf3_internal_thr, divsf3_internal_lat,
        divdf3_internal_thr, divdf3_internal_lat divxf3_internal): Ditto.

2009-04-03  Vladimir Makarov  <vmakarov@redhat.com>

        PR rtl-optimization/39607
        PR rtl-optimization/39631

        Revert:

        2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
        * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
        instead of DF_LR_OUT.
        * ira-lives.c (process_bb_node_lives): Ditto.
        * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
        instead of DF_LR_{OUT,IN}.
        * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
        * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.

2009-04-03  Steven Bosscher  <steven@gcc.gnu.org>

        * omp-low.c (pass_expand_omp): Don't claim to provide PROP_gimple_lomp.
        (execute_lower_omp): Always run but take the short way out if -fopenmp
        is not given.
        (gate_lower_omp): Remove, forcing the pass manager to always run the
        pass and always set PROP_gimple_lomp.
        (pass_lower_omp): Remove gate function.
        * matrix-reorg.c (pass_ipa_matrix_reorg): Don't claim to provide
        PROP_trees.  Instead, require it.
        * ipa-cp.c (pass_ipa_cp): Likewise.
        * ipa-inline.c (pass_early_inline): Don't claim to provide PROP_cfg.
        (pass_ipa_early_inline, pass_inline_parameters, pass_ipa_inline): Idem.
        * tree-profile.c (pass_tree_profile): Don't claim to provide PROP_cfg
        and PROP_gimple_leh.

2009-04-03  Richard Guenther  <rguenther@suse.de>

        PR middle-end/13146
        PR tree-optimization/23940
        PR tree-optimization/33237
        PR middle-end/33974
        PR middle-end/34093
        PR tree-optimization/36201
        PR tree-optimization/36230
        PR tree-optimization/38049
        PR tree-optimization/38207
        PR tree-optimization/38230
        PR tree-optimization/38301
        PR tree-optimization/38585
        PR middle-end/38895
        PR tree-optimization/38985
        PR tree-optimization/39299
        * tree-ssa-structalias.h: Remove.
        * tree-ssa-operands.h (NULL_USE_OPERAND_P): Make of type use_operand_p.
        (NULL_DEF_OPERAND_P): Make of type def_operand_p.
        (struct vuse_element_d): Remove.
        (struct vuse_vec_d): Likewise.
        (VUSE_VECT_NUM_ELEM, VUSE_VECT_ELEMENT_NC, VUSE_ELEMENT_PTR_NC,
        VUSE_ELEMENT_VAR_NC, VUSE_VECT_ELEMENT, VUSE_ELEMENT_PTR,
        SET_VUSE_VECT_ELEMENT, SET_VUSE_ELEMENT_VAR, SET_VUSE_ELEMENT_PTR,
        VUSE_ELEMENT_VAR): Likewise.
        (struct voptype_d): Likewise.
        (NUM_VOP_FREE_BUCKETS): Likewise.
        (struct ssa_operands): Remove vop_free_buckets and mpt_table fields.
        (struct stmt_operands_d): Remove.
        (VUSE_OP_PTR, VUSE_OP, SET_VUSE_OP, VUSE_NUM, VUSE_VECT,
        VDEF_RESULT_PTR, VDEF_RESULT, VDEF_OP_PTR, VDEF_OP, SET_VDEF_OP,
        VDEF_NUM, VDEF_VECT): Likewise.
        (copy_virtual_operands): Remove.
        (operand_build_cmp): Likewise.
        (create_ssa_artificial_load_stmt): Likewise.
        (enum ssa_op_iter_type): Remove ssa_op_iter_vdef.
        (struct ssa_operand_iterator_d): Remove vuses, vdefs, mayusesm
        vuse_index and mayuse_index members.  Pack and move done and iter_type
        members to the front.
        (SSA_OP_VMAYUSE): Remove.
        (SSA_OP_VIRTUAL_USES): Adjust.
        (FOR_EACH_SSA_VDEF_OPERAND): Remove.
        (unlink_stmt_vdef): Declare.
        (add_to_addressable_set): Remove.
        * tree-vrp.c (stmt_interesting_for_vrp): Adjust.
        (vrp_visit_stmt): Likewise.
        * doc/tree-ssa.texi (Alias analysis): Update.
        * doc/invoke.texi (max-aliased-vops): Remove docs.
        (avg-aliased-vops): Likewise.
        * tree-into-ssa.c (syms_to_rename): Remove.
        (need_to_update_vops_p): Likewise.
        (need_to_initialize_update_ssa_p): Rename to ...
        (update_ssa_initialized_fn): ... this.  Track function we are
        initialized for.
        (symbol_marked_for_renaming): Simplify.
        (add_new_name_mapping): Do not set need_to_update_vops_p.
        (dump_currdefs): Use SYMS_TO_RENAME.
        (rewrite_update_stmt): Always walk all uses/defs.
        (dump_update_ssa): Adjust.
        (init_update_ssa): Take function argument.  Track what we are
        initialized for.
        (delete_update_ssa): Reset SYMS_TO_RENAME and update_ssa_initialized_fn.
        (create_new_def_for): Initialize for cfun, assert we are initialized
        for cfun.
        (mark_sym_for_renaming): Simplify.
        (mark_set_for_renaming): Do not initialize update-ssa.
        (need_ssa_update_p): Simplify.  Take function argument.
        (name_mappings_registered_p): Assert we ask for the correct function.
        (name_registered_for_update_p): Likewise.
        (ssa_names_to_replace): Likewise.
        (release_ssa_name_after_update_ssa): Likewise.
        (update_ssa): Likewise.  Use SYMS_TO_RENAME.
        (dump_decl_set): Do not print a newline.
        (debug_decl_set): Do it here.
        (dump_update_ssa): And here.
        * tree-ssa-loop-im.c (move_computations): Adjust.
        (movement_possibility): Likewise.
        (determine_max_movement): Likewise.
        (gather_mem_refs_stmt): Likewise.
        * tree-dump.c (dequeue_and_dump): Do not handle SYMBOL_MEMORY_TAG
        or NAME_MEMORY_TAG.
        * tree-complex.c (update_all_vops): Remove.
        (expand_complex_move): Adjust.
        * tree-ssa-loop-niter.c (chain_of_csts_start): Use NULL_TREE.
        Simplify test for memory referencing statement.  Exclude
        non-invariant ADDR_EXPRs.
        * tree-pretty-print.c (dump_generic_node): Do not handle memory tags.
        * tree-loop-distribution.c (generate_memset_zero): Adjust.
        (rdg_flag_uses): Likewise.
        * tree-tailcall.c (suitable_for_tail_opt_p): Remove memory-tag
        related code.
        (tree_optimize_tail_calls_1): Also split the
        edge from the entry block if we have degenerate PHI nodes in
        the first basic block.
        * tree.c (init_ttree): Remove memory-tag related code.
        (tree_code_size): Likewise.
        (tree_node_structure): Likewise.
        (build7_stat): Re-write to be build6_stat.
        * tree.h (MTAG_P, TREE_MEMORY_TAG_CHECK, TMR_TAG): Remove.
        (SSA_VAR_P): Adjust.
        (struct tree_memory_tag): Remove.
        (struct tree_memory_partition_tag): Likewise.
        (union tree_node): Adjust.
        (build7): Re-write to be build6.
        * tree-pass.h (pass_reset_cc_flags): Remove.
        (TODO_update_address_taken): New flag.
        (pass_simple_dse): Remove.
        * ipa-cp.c (ipcp_update_callgraph): Update SSA form.
        * params.h (MAX_ALIASED_VOPS): Remove.
        (AVG_ALIASED_VOPS): Likewise.
        * omp-low.c (expand_omp_taskreg): Update SSA form.
        * tree-ssa-dse.c (dse_optimize_stmt): Properly query if the rhs
        aliases the lhs in a copy stmt.
        * tree-ssa-dse.c (struct address_walk_data): Remove.
        (memory_ssa_name_same): Likewise.
        (memory_address_same): Likewise.
        (get_kill_of_stmt_lhs): Likewise.
        (dse_possible_dead_store_p): Simplify, use the oracle.  Handle
        unused stores.  Look through PHI nodes into post-dominated regions.
        (dse_optimize_stmt): Simplify.  Properly remove stores.
        (tree_ssa_dse): Compute dominators.
        (execute_simple_dse): Remove.
        (pass_simple_dse): Likewise.
        * ipa-reference.c (scan_stmt_for_static_refs): Open-code
        gimple_loaded_syms and gimple_stored_syms computation.
        * toplev.c (dump_memory_report): Dump alias and pta stats.
        * tree-ssa-sccvn.c (vn_reference_compute_hash): Simplify.
        (vn_reference_eq): Likewise.
        (vuses_to_vec, copy_vuses_from_stmt, vdefs_to_vec,
        copy_vdefs_from_stmt, shared_lookup_vops, shared_vuses_from_stmt,
        valueize_vuses): Remove.
        (get_def_ref_stmt_vuses): Simplify.  Rename to ...
        (get_def_ref_stmt_vuse): ... this.
        (vn_reference_lookup_2): New function.
        (vn_reference_lookup_pieces): Use walk_non_aliased_vuses for
        walking equivalent vuses.  Simplify.
        (vn_reference_lookup): Likewise.
        (vn_reference_insert): Likewise.
        (vn_reference_insert_pieces): Likewise.
        (visit_reference_op_call): Simplify.
        (visit_reference_op_load): Likewise.
        (visit_reference_op_store): Likewise.
        (init_scc_vn): Remove shared_lookup_vuses initialization.
        (free_scc_vn): Remove shared_lookup_vuses freeing.
        (sort_vuses, sort_vuses_heap): Remove.
        (get_ref_from_reference_ops): Export.
        * tree-ssa-sccvn.h (struct vn_reference_s): Replace vuses
        vector with single vuse pointer.
        (vn_reference_lookup_pieces, vn_reference_lookup,
        vn_reference_insert, vn_reference_insert_pieces): Adjust prototypes.
        (shared_vuses_from_stmt): Remove.
        (get_ref_from_reference_ops): Declare.
        * tree-ssa-loop-manip.c (slpeel_can_duplicate_loop_p): Adjust.
        * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Remove
        memory-tag related code.
        * tree-ssa-ccp.c (get_symbol_constant_value): Remove memory-tag code.
        (likely_value): Add comment, skip static-chain of call statements.
        (surely_varying_stmt_p): Adjust.
        (gimplify_and_update_call_from_tree): Likewise.
        (execute_fold_all_builtins): Do not rebuild alias info.
        (gimplify_and_update_call_from_tree): Properly update VOPs.
        * tree-ssa-loop-ivopts.c (get_ref_tag): Remove.
        (copy_ref_info): Remove memory-tag related code.
        * tree-call-cdce.c (tree_call_cdce): Rename the VOP.
        * ipa-pure-const.c (check_decl): Remove memory-tag related code.
        (check_stmt): Open-code gimple_loaded_syms and gimple_stored_syms
        computation.
        * tree-ssa-dom.c (gimple_p): Remove typedef.
        (eliminate_redundant_computations): Adjust.
        (record_equivalences_from_stmt): Likewise.
        (avail_expr_hash): Likewise.
        (avail_expr_eq): Likewise.
        * tree-ssa-propagate.c (update_call_from_tree): Properly update VOPs.
        (stmt_makes_single_load): Likewise.
        (stmt_makes_single_store): Likewise.
        * tree-ssa-alias.c: Rewrite completely.
        (debug_memory_partitions, dump_mem_ref_stats, debug_mem_ref_stats,
        debug_mem_sym_stats, dump_mem_sym_stats_for_var,
        debug_all_mem_sym_stats, debug_mp_info, update_mem_sym_stats_from_stmt,
        delete_mem_ref_stats, create_tag_raw, dump_points_to_info,
        dump_may_aliases_for, debug_may_aliases_for, new_type_alias):
        Remove public functions.
        (pass_reset_cc_flags): Remove.
        (pass_build_alias): Move ...
        * tree-ssa-structalias.c (pass_build_alias): ... here.
        * tree-ssa-alias.c (may_be_aliased): Move ...
        * tree-flow-inline.h (may_be_aliased): ... here.
        tree-ssa-alias.c (struct count_ptr_d, count_ptr_derefs,
        count_uses_and_derefs): Move ...
        * gimple.c: ... here.
        * gimple.h (count_uses_and_derefs): Declare.
        * tree-ssa-alias.c (dump_alias_stats, ptr_deref_may_alias_global_p,
        ptr_deref_may_alias_decl_p, ptr_derefs_may_alias_p,
        same_type_for_tbaa, nonaliasing_component_refs_p, decl_refs_may_alias_p,
        indirect_ref_may_alias_decl_p, indirect_refs_may_alias_p,
        ref_maybe_used_by_call_p, ref_maybe_used_by_stmt_p,
        call_may_clobber_ref_p, stmt_may_clobber_ref_p, maybe_skip_until,
        get_continuation_for_phi, walk_non_aliased_vuses, walk_aliased_vdefs):
        New functions.
        * tree-dfa.c (refs_may_alias_p): Move ...
        * tree-ssa-alias.c (refs_may_alias_p): ... here.  Extend.
        * tree-ssa-alias.h: New file.
        * tree-ssa-sink.c (is_hidden_global_store): Adjust.
        (statement_sink_location): Likewise.
        * opts.c (decode_options): Do not adjust max-aliased-vops or
        avg-aliased-vops values.
        * timevar.def (TV_TREE_MAY_ALIAS): Remove.
        (TV_CALL_CLOBBER): Likewise.
        (TV_FLOW_SENSITIVE): Likewise.
        (TV_FLOW_INSENSITIVE): Likewise.
        (TV_MEMORY_PARTITIONING): Likewise.
        (TV_ALIAS_STMT_WALK): New timevar.
        * tree-ssa-loop-ivcanon.c (empty_loop_p): Adjust.
        * tree-ssa-address.c (create_mem_ref_raw): Use build6.
        (get_address_description): Remove memory-tag related code.
        * tree-ssa-ifcombine.c (bb_no_side_effects_p): Adjust.
        * treestruct.def (TS_MEMORY_TAG, TS_MEMORY_PARTITION_TAG): Remove.
        * tree-eh.c (cleanup_empty_eh): Do not leave stale SSA_NAMEs
        and immediate uses in statements.  Document.
        * gimple-pretty-print.c (dump_gimple_mem_ops): Adjust.
        (dump_symbols): Remove.
        (dump_gimple_mem_ops): Do not dump loaded or stored syms.
        * alias.c (get_deref_alias_set): New function split out from ...
        (get_alias_set): ... here.
        * alias.h (get_deref_alias_set): Declare.
        * tree-vect-data-refs.c (vect_create_data_ref_ptr): Remove unused
        type parameter.  Remove restrict pointer handling.  Create a
        ref-all pointer in case type-based alias sets do not conflict.
        (vect_analyze_data_refs): Remove SMT related code.
        * tree-vect-stmts.c (vectorizable_store): Re-instantiate TBAA assert.
        (vectorizable_load): Likewise.
        * tree-data-ref.h (struct dr_alias): Remove symbol_tag field.
        (DR_SYMBOL_TAG, DR_VOPS): Remove.
        * tree-data-ref.c (dr_may_alias_p): Use the alias-oracle.
        Ignore vops and SMTs.
        (dr_analyze_alias): Likewise..
        (free_data_ref): Likewise.
        (create_data_ref): Likewise.
        (analyze_all_data_dependences): Likewise.
        (get_references_in_stmt): Adjust.
        * tree-flow-inline.h (gimple_aliases_computed_p,
        gimple_addressable_vars, gimple_call_clobbered_vars,
        gimple_call_used_vars, gimple_global_var, may_aliases, memory_partition,
        factoring_name_p, mark_call_clobbered, clear_call_clobbered,
        compare_ssa_operands_equal, symbol_mem_tag, set_symbol_mem_tag,
        gimple_mem_ref_stats): Remove.
        (gimple_vop): New function.
        (op_iter_next_use): Remove vuses and mayuses cases.
        (op_iter_next_def): Remove vdefs case.
        (op_iter_next_tree): Remove vuses, mayuses and vdefs cases.
        (clear_and_done_ssa_iter): Do not set removed fields.
        (op_iter_init): Likewise.  Skip vuse and/or vdef if requested.
        Assert we are not iterating over vuses or vdefs if not also
        iterating over uses or defs.
        (op_iter_init_use): Likewise.
        (op_iter_init_def): Likewise.
        (op_iter_next_vdef): Remove.
        (op_iter_next_mustdef): Likewise.
        (op_iter_init_vdef): Likewise.
        (compare_ssa_operands_equal): Likewise.
        (link_use_stmts_after): Handle vuse operand.
        (is_call_used): Use is_call_clobbered.
        (is_call_clobbered): Global variables are always call clobbered,
        query the call-clobbers bitmap.
        (mark_call_clobbered): Ignore global variables.
        (clear_call_clobbered): Likewise.
        * tree-ssa-coalesce.c (create_outofssa_var_map): Adjust
        virtual operands sanity check.
        * tree.def (NAME_MEMORY_TAG, SYMBOL_MEMORY_TAG, MEMORY_PARTITION_TAG):
        Remove.
        (TARGET_MEM_REF): Remove TMR_TAG operand.
        * tree-dfa.c (add_referenced_var): Initialize call-clobber state.
        Remove call-clobber related code.
        (remove_referenced_var): Likewise.  Do not clear mpt or symbol_mem_tag.
        (dump_variable): Do not dump SMTs, memory stats, may-aliases or
        partitions or escape reason.
        (get_single_def_stmt, get_single_def_stmt_from_phi,
        get_single_def_stmt_with_phi): Remove.
        (dump_referenced_vars): Tidy.
        (get_ref_base_and_extent): Allow bare decls.
        (collect_dfa_stats): Adjust.
        * graphite.c (rename_variables_in_stmt): Adjust.
        (graphite_copy_stmts_from_block): Likewise.
        (translate_clast): Likewise.
        * tree-ssa-pre.c (struct bb_bitmap_sets): Add expr_dies bitmap.
        (EXPR_DIES): New.
        (translate_vuse_through_block): Use the oracle.
        (phi_translate_1): Adjust.
        (value_dies_in_block_x): Use the oracle.  Cache the outcome
        in EXPR_DIES.
        (valid_in_sets): Check if the VUSE for
        a REFERENCE is available.
        (eliminate): Do not remove stmts during elimination,
        instead queue and remove them afterwards.
        (do_pre): Do not rebuild alias info.
        (pass_pre): Run TODO_rebuild_alias before PRE.
        * tree-ssa-live.c (remove_unused_locals): Remove memory-tag code.
        * tree-sra.c (sra_walk_function): Use gimple_references_memory_p.
        (mark_all_v_defs_stmt): Remove.
        (mark_all_v_defs_seq): Adjust.
        (sra_replace): Likewise.
        (scalarize_use): Likewise.
        (scalarize_copy): Likewise.
        (scalarize_init): Likewise.
        (scalarize_ldst): Likewise.
        (todoflags): Remove.
        (tree_sra): Do not rebuild alias info.
        (tree_sra_early): Adjust.
        (pass_sra): Run TODO_update_address_taken before SRA.
        * tree-predcom.c (set_alias_info): Remove.
        (prepare_initializers_chain): Do not call it.
        (mark_virtual_ops_for_renaming): Adjust.
        (mark_virtual_ops_for_renaming_list): Remove.
        (initialize_root_vars): Adjust.
        (initialize_root_vars_lm): Likewise.
        (prepare_initializers_chain): Likewise.
        * tree-ssa-copy.c (may_propagate_copy): Remove memory-tag related code.
        (may_propagate_copy_into_stmt): Likewise.
        (merge_alias_info): Do nothing for now.
        (propagate_tree_value_into_stmt): Adjust.
        (stmt_may_generate_copy): Likewise.
        * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr): Do
        not mark symbols for renaming.
        (forward_propagate_addr_expr): Match up push/pop_stmt_changes
        with the same statement, make sure to update the new pointed-to one.
        * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not copy
        call statements, do not mark symbols for renaming.
        (mark_operand_necessary): Dump something.
        (ref_may_be_aliased): New function.
        (mark_aliased_reaching_defs_necessary_1): New helper function.
        (mark_aliased_reaching_defs_necessary): Likewise.
        (mark_all_reaching_defs_necessary_1): Likewise.
        (mark_all_reaching_defs_necessary): Likewise.
        (propagate_necessity): Do not process virtual PHIs.  For
        non-aliased loads mark all reaching definitions as necessary.
        For aliased loads and stores mark the immediate dominating
        aliased clobbers as necessary.
        (visited): New global static.
        (perform_tree_ssa_dce): Free visited bitmap after propagating
        necessity.
        (remove_dead_phis): Perform simple dead virtual PHI removal.
        (remove_dead_stmt): Properly unlink virtual operands when
        removing stores.
        (eliminate_unnecessary_stmts): Schedule PHI removal after
        stmt removal.
        * tree-ssa-ter.c (is_replaceable_p): Adjust.
        (process_replaceable): Likewise.
        (find_replaceable_in_bb): Likewise.
        * tree-ssa.c (verify_ssa_name): Verify all VOPs are
        based on the single gimple vop.
        (verify_flow_insensitive_alias_info): Remove.
        (verify_flow_sensitive_alias_info): Likewise.
        (verify_call_clobbering): Likewise.
        (verify_memory_partitions): Likewise.
        (verify_alias_info): Likewise.
        (verify_ssa): Adjust..
        (execute_update_addresses_taken): Export.  Update SSA
        manually.  Optimize only when optimizing.  Use a local bitmap.
        (pass_update_address_taken): Remove TODO_update_ssa, add
        TODO_dump_func.
        (pass_update_address_taken): Just use TODO_update_address_taken.
        (init_tree_ssa): Do not initialize addressable_vars.
        (verify_ssa): Verify new VUSE / VDEF properties.
        Verify that all stmts definitions have the stmt as SSA_NAME_DEF_STMT.
        Do not call verify_alias_info.
        (delete_tree_ssa): Clear the VUSE, VDEF operands.
        Do not free the loaded and stored syms bitmaps.  Reset the escaped
        and callused solutions.  Do not free addressable_vars.
        Remove memory-tag related code.
        (warn_uninitialized_var): Aliases are always available.
        * tree-ssa-loop-prefetch.c (gather_memory_references): Adjust.
        * lambda-code.c (can_put_in_inner_loop): Adjust.
        (can_put_after_inner_loop): Likewise.
        (perfect_nestify): Likewise.
        * tree-vect-stmts.c (vect_stmt_relevant_p): Adjust.
        (vect_gen_widened_results_half): Remove CALL_EXPR handling.
        (vectorizable_conversion): Do not mark symbols for renaming.
        * tree-inline.c (remap_gimple_stmt): Clear VUSE/VDEF.
        (expand_call_inline): Unlink the calls virtual operands before
        replacing it.
        (tree_function_versioning): Do not call update_ssa if we are not
        updating clones.  Simplify.
        * tree-ssa-phiprop.c (phivn_valid_p): Adjust.
        (propagate_with_phi): Likewise..
        * tree-outof-ssa.c (create_temp): Remove memory tag and call
        clobber code.  Assert we are not aliased or global.
        * tree-flow.h: Include tree-ssa-alias.h
        (enum escape_type): Remove.
        (struct mem_sym_stats_d): Likewise.
        (struct mem_ref_stats_d): Likewise.
        (struct gimple_df): Add vop member.  Remove global_var,
        call_clobbered_vars, call_used_vars, addressable_vars,
        aliases_compted_p and mem_ref_stats members.  Add syms_to_rename,
        escaped and callused members.
        (struct ptr_info_def): Remove all members, add points-to solution
        member pt.
        (struct var_ann_d): Remove in_vuse_list, in_vdef_list,
        call_clobbered, escape_mask, mpt and symbol_mem_tag members.
        * Makefile.in (TREE_FLOW_H): Add tree-ssa-alias.h.
        (tree-ssa-structalias.o): Remove tree-ssa-structalias.h.
        (tree-ssa-alias.o): Likewise.
        (toplev.o): Add tree-ssa-alias.h
        (GTFILES): Remove tree-ssa-structalias.h, add tree-ssa-alias.h.
        * gimple.c (gimple_set_bb): Fix off-by-one error.
        (is_gimple_reg): Do not handle memory tags.
        (gimple_copy): Also copy virtual operands.
        Delay updating the statement.  Do not reset loaded and stored syms.
        (gimple_set_stored_syms): Remove.
        (gimple_set_loaded_syms): Likewise.
        (gimple_call_copy_skip_args): Copy the virtual operands
        and mark the new statement modified.
        * tree-ssa-structalias.c (may_alias_p): Remove.
        (set_uids_in_ptset): Take the alias set to prune with as
        parameter.  Fold in the alias test of may_alias_p.
        (compute_points_to_sets): Compute whether a ptr is dereferenced
        in a local sbitmap.
        (process_constraint): Deal with &ANYTHING on the lhs, reject all
        other ADDRESSOF constraints on the lhs.
        (get_constraint_for_component_ref): Assert that we don't get
        ADDRESSOF constraints from the base of the reference.
        Properly generate UNKNOWN_OFFSET for DEREF if needed.
        (struct variable_info): Remove collapsed_to member.
        (get_varinfo_fc): Remove.
        (new_var_info): Do not set collapsed_to.
        (dump_constraint): Do not follow cycles.
        (dump_constraint_graph): Likewise.
        (build_pred_graph): Likewise.
        (build_succ_graph): Likewise.
        (rewrite_constraints): Likewise.
        (do_simple_structure_copy): Remove.
        (do_rhs_deref_structure_copy): Remove.
        (do_lhs_deref_structure_copy): Remove.
        (collapse_rest_of_var): Remove.
        (do_structure_copy): Re-implement.
        (pta_stats): New global variable.
        (dump_pta_stats): New function.
        (struct constraint_expr): Make offset signed.
        (UNKNOWN_OFFSET): Define special value.
        (dump_constraint): Dump UNKNOWN_OFFSET as UNKNOWN.
        (solution_set_expand): New helper function split out from ...
        (do_sd_constraint): ... here.
        (solution_set_add): Handle UNKNOWN_OFFSET.  Handle negative offsets.
        (do_ds_constraint): Likewise.
        (do_sd_constraint): Likewise.  Do not special-case ESCAPED = *ESCAPED
        and CALLUSED = *CALLUSED.
        (set_union_with_increment): Make inc argument signed.
        (type_safe): Remove.
        (get_constraint_for_ptr_offset): Handle unknown and negative
        constant offsets.
        (first_vi_for_offset): Handle offsets before start.  Bail
        out early for offsets beyond the variable extent.
        (first_or_preceding_vi_for_offset): New function.
        (init_base_vars): Add ESCAPED = ESCAPED + UNKNOWN_OFFSET constraint.
        Together with ESCAPED = *ESCAPED this properly computes reachability.
        (find_what_var_points_to): New function.
        (find_what_p_points_to): Implement in terms of find_what_var_points_to.
        (pt_solution_reset, pt_solution_empty_p, pt_solution_includes_global,
        pt_solution_includes_1, pt_solution_includes, pt_solutions_intersect_1,
        pt_solutions_intersect): New functions.
        (compute_call_used_vars): Remove.
        (compute_may_aliases): New main entry into PTA computation.
        * gimple.h (gimple_p): New typedef.
        (struct gimple_statement_base): Remove references_memory_p.
        (struct gimple_statement_with_memory_ops_base): Remove
        vdef_ops, vuse_ops, stores and loads members.  Add vdef and vuse
        members.
        (gimple_vuse_ops, gimple_set_vuse_ops, gimple_vdef_ops,
        gimple_set_vdef_ops, gimple_loaded_syms, gimple_stored_syms,
        gimple_set_references_memory): Remove.
        (gimple_vuse_op, gimple_vdef_op, gimple_vuse, gimple_vdef,
        gimple_vuse_ptr, gimple_vdef_ptri, gimple_set_vuse, gimple_set_vdef):
        New functions.
        * tree-cfg.c (move_block_to_fn): Fix off-by-one error.
        (verify_expr): Allow RESULT_DECL.
        (gimple_duplicate_bb): Do not copy virtual operands.
        (gimple_duplicate_sese_region): Adjust.
        (gimple_duplicate_sese_tail): Likewise.
        (mark_virtual_ops_in_region): Remove.
        (move_sese_region_to_fn): Do not call it.
        * passes.c (init_optimization_passes): Remove pass_reset_cc_flags
        and pass_simple_dse.
        (execute_function_todo): Handle TODO_update_address_taken,
        call execute_update_addresses_taken for TODO_rebuild_alias.
        (execute_todo): Adjust.
        (execute_one_pass): Init dump files early.
        * ipa-struct-reorg.c (finalize_var_creation): Do not mark vars
        call-clobbered.
        (create_general_new_stmt): Clear vops.
        * tree-ssa-reassoc.c (get_rank): Adjust.
        * tree-vect-slp.c (vect_create_mask_and_perm): Do not mark
        symbols for renaming.
        * params.def (PARAM_MAX_ALIASED_VOPS): Remove.
        (PARAM_AVG_ALIASED_VOPS): Likewise.
        * tree-ssanames.c (init_ssanames): Allocate SYMS_TO_RENAME.
        (duplicate_ssa_name_ptr_info): No need to copy the shared bitmaps.
        * tree-ssa-operands.c: Simplify for new virtual operand representation.
        (operand_build_cmp, copy_virtual_operands,
        create_ssa_artificial_load_stmt, add_to_addressable_set,
        gimple_add_to_addresses_taken): Remove public functions.
        (unlink_stmt_vdef): New function.

2009-04-03  Alan Modra  <amodra@bigpond.net.au>

        * config.gcc (powerpc-*-linux*): Merge variants.

2009-04-02  Chao-ying Fu  <fu@mips.com>
            James Grosbach  <james.grosbach@microchip.com>

        * config/mips/mips.c (mips_frame_info): Add acc_mask, num_acc,
        num_cop0_regs, acc_save_offset, cop0_save_offset, acc_sp_offset,
        cop0_sp_offset.
        (machine_function): Add interrupt_handler_p, use_shadow_register_set_p,
        keep_interrupts_masked_p, use_debug_exception_return_p.
        (mips_attribute_table): Add interrupt, use_shadow_register_set,
        keep_interrupts_masked, use_debug_exception_return.
        (mips_interrupt_type_p, mips_use_shadow_register_set_p,
        mips_keep_interrupts_masked_p, mips_use_debug_exception_return_p):
        New functions.
        (mips_function_ok_for_sibcall): Return false for interrupt handlers.
        (mips_print_operand): Process COP0 registers to print $0 .. $31
        correctly for GAS to process.
        (mips_interrupt_extra_call_saved_reg_p): New function.
        (mips_cfun_call_saved_reg_p): For interrupt handlers, we need to check
        extra registers.
        (mips_cfun_might_clobber_call_saved_reg_p): Likewise.
        (mips_compute_frame_info): Add supports for interrupt context that
        includes doubleword accumulators and COP0 registers.
        (mips_for_each_saved_acc): New function.
        (mips_for_each_saved_gpr_and_fpr): Change the function name from
        mips_for_each_saved_reg.
        (mips_save_reg): Save accumulators.
        (mips_kernel_reg_p): A new for_each_rtx callback.
        (mips_expand_prologue): Support interrupt handlers.
        (mips_restore_reg): Restore accumulators.
        (mips_expand_epilogue): Support interrupt handlers.
        (mips_can_use_return_insn): Return false for interrupt handlers.
        (mips_epilogue_uses): New function.
        * config/mips/mips.md (UNSPEC_ERET, UNSPEC_DERET, UNSPEC_DI,
        UNSPEC_EHB, UNSPEC_RDPGPR, UNSPEC_COP0): New UNSPEC.
        (mips_eret, mips_deret, mips_di, mips_ehb, mips_rdpgpr,
        cop0_move): New instructions.
        * config/mips/mips-protos.h (mips_epilogue_uses): Declare.
        * config/mips/mips.h (K0_REG_NUM, K1_REG_NUM, KERNEL_REG_P): New
        defines.
        (COP0_STATUS_REG_NUM, COP0_CAUSE_REG_NUM, COP0_EPC_REG_NUM):
        New defines.
        (CAUSE_IPL, SR_IPL, SR_EXL, SR_IE): New defines.
        (MIPS_PROLOGUE_TEMP_REGNUM, MIPS_EPILOGUE_TEMP_REGNUM): For
        interrupt handlers, we use K0 as the temporary register.
        (EPILOGUE_USES): Change to a function call.
        * config/mips/sde.h (MIPS_EPILOGUE_TEMP_REGNUM): For interrupt
        handlers, we use K0 as the temporary register.

        * doc/extend.texi (Function Attributes): Document interrupt,
        use_shadow_register_set, keep_interrupts_masked,
        use_debug_exception_return for MIPS attributes.

2009-04-03  Alan Modra  <amodra@bigpond.net.au>

        * config.gcc (powerpc64-*-gnu*): Add rs6000/default64.h to tm_file.
        Remove a number of t-files from tmake_file.
        * config/rs6000/sysv4.opt (mprototype): Name variable target_prototype.
        * config/rs6000/sysv4.h (TARGET_PROTOTYPE): Define.
        * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Set
        target_prototype, not TARGET_PROTOTYPE.
        (LINK_OS_GNU_SPEC): Define.
        * config/rs6000/t-linux64 (LIB2FUNCS_EXTRA): Delete tramp.S
        and darwin-ldoubdle.c.

2009-04-02  Michael Meissner  <meissner@linux.vnet.ibm.com>

        PR driver/39293
        * gcc.c (save_temps_flag): Add support for -save-temps=obj.
        (cpp_options): Ditto.
        (default_compilers): Ditto.
        (display_help): Ditto.
        (process_command): Ditto.
        (do_spec_1): Ditto.
        (set_input): Use lbasename instead of duplicate code.
        (save_temps_prefix): New static for -save-temps=obj.
        (save_temps_length): Ditto.

        * doc/invoke.texi (-save-temps=obj): Document new variant to
        -save-temps switch.

2009-04-02  Jeff Law  <law@redhat.com>

        * reload1.c (fixup_eh_region_notes): Remove write-only "trap_count"
        variable.

2009-04-02  H.J. Lu  <hongjiu.lu@intel.com>

        * configure.ac: Support -Bstatic/-Bdynamic for linker version > 2.
        * configure: Regenerated.

2009-04-02  Rafael Avila de Espindola  <espindola@google.com>

        * c-decl.c (merge_decls): Make sure newdecl and olddecl don't
        share the argument list.

2009-04-02  Rafael Avila de Espindola  <espindola@google.com>

        Merge

        2009-02-12  Diego Novillo  <dnovillo@google.com>

        * varpool.c (debug_varpool): New.
        * cgraph.h (debug_varpool): Declare.

2009-04-02  Jan Hubicka  <jh@suse.cz>

        * passes.c (init_optimization_passes): Remove two copies of ehcleanup
        pass.

2009-04-02  H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/i386.c (ix86_abi): Move initialization to ...
        (override_options): Here.

2009-04-02  Christian Bruel  <christian.bruel@st.com>

        * config/sh/sh.c (sh_dwarf_register_span): New function.
        (TARGET_DWARF_REGISTER_SPAN): Define.
        * config/sh/sh-protos.h (sh_dwarf_register_span): Declare.

2009-04-02  Ira Rosen  <irar@il.ibm.com>

        PR tree-optimization/39595
        * tree-vect-slp.c (vect_build_slp_tree): Check that the size of
        interleaved loads group is not  greater than the SLP group size.

2009-04-02  Rafael Avila de Espindola  <espindola@google.com>

        * builtins.c (is_builtin_name): New.
        (called_as_built_in): Use is_builtin_name.
        * tree.h (is_builtin_name): New.
        * varasm.c (incorporeal_function_p): Use is_builtin_name

2009-04-02  Andrew Stubbs  <ams@codesourcery.com>

        * config/sh/linux-unwind.h: Disable when inhibit_libc is defined.

2009-04-02  Dodji Seketeli  <dodji@redhat.com>

        PR c++/26693
        * c-decl.c (clone_underlying_type): Move this ...
        * c-common.c (set_underlying_type): ... here.
        Also, make sure the function properly sets TYPE_STUB_DECL() on
        the newly created typedef variant type.
        * c-common.h (is_typedef_decl, set_underlying_type): Declare ...
        * c-common.c (is_typedef_decl, set_underlying_type): ... new entry
        points.

2009-04-02  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/37221
        * tree-flow.h (degenerate_phi_result): Declare.
        * tree-ssa-dom.c (degenerate_phi_result): Export.
        * tree-scalar-evolution.c (analyze_initial_condition): If
        the initial condition is defined by a degenerate PHI node
        use the degenerate value.

2009-04-01  Eric Botcazou  <ebotcazou@adacore.com>

        PR rtl-optimization/39588
        * combine.c (merge_outer_ops): Do not set the constant when this
        is not necessary.
        (simplify_shift_const_1): Do not modify it either in this case.

2009-04-01  Steven Bosscher  <steven@gcc.gnu.org>

        * config/ia64/ia64.c (ia64_handle_option): Inform user that Itanium1
        tuning is deprecated if -mtune value is set to an Itanium1 variant.

2009-04-01  Janis Johnson  <janis187@us.ibm.com>

        PR c/29027
        * c-lex.c (interpret_float): Default (no suffix) is double.

2009-04-1  Xinliang David Li  <davidxl@google.com>

        * config/i386/i386.c (legitimate_constant_p): Recognize
        all one vector constant.

2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>

        * config/vax/vax.c: Add #includes to silence warnings.
        Change #include order to silence two warnings.

2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>

        * config/vax/linux.h (TARGET_DEFAULT): Add the MASK_QMATH flag bit.
        (ASM_SPEC): Pass -k to the assembler for PIC code.

2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>

        * config.gcc: Add vax-*-linux* to the switch.
        * config/vax/linux.h: New file. (TARGET_VERSION,
        TARGET_OS_CPP_BUILTINS, TARGET_DEFAULT, CPP_SPEC, LINK_SPEC): Define.

2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>

        * config/vax/vax.c (vax_output_int_move, adjacent_operands_p):
        Use predicate macros instead of GET_CODE() == foo.
        * config/vax/vax.md (movsi_2, movstrictqi, and<mode>3, ashrsi3,
        ashlsi3, rotrsi3, <unnamed>): Likewise.

2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>

        * config/vax/builtins.md (jbbssiqi, jbbssihi, jbbssisi, jbbcciqi,
        jbbccihi, jbbccisi): Remova trailing whitespace.
        * config/vax/constraints.md: Likewise.
        * config/vax/elf.h: (ASM_PREFERRED_EH_DATA_FORMAT): Likewise.
        * config/vax/openbsd1.h (OBSD_OLD_GAS): Likewise.
        * config/vax/predicates.md: Likewise.
        * config/vax/vax.c (print_operand_address, vax_output_int_move,
        vax_expand_addsub_di_operands, adjacent_operands_p): Likewise.
        * config/vax/vax.h: Likewise.
        * config/vax/vax.md (nonlocal_goto): Likewise.

2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>

        * config/vax/vax.c (vax_float_literal, vax_output_int_move)
        (indirectable_address_p, adjacent_operands_p): Add spaces around
        braces.
        * config/vax/vax-protos.h (adjacent_operands_p): Likewise.

2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>

        * config/vax/vax.c (legitimate_constant_address_p,
        legitimate_constant_p, indirectable_address_p, nonindexed_address_p,
        index_term_p, reg_plus_index_p, legitimate_address_p,
        vax_mode_dependent_address_p): Update comments to match functions
        modified by the recent int->bool conversion.

2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>

        * config/vax/builtins.md: Update copyright message.
        * config/vax/constraints.md: Likewise.
        * config/vax/netbsd-elf.h: Likewise.
        * config/vax/predicates.md: Likewise.
        * config/vax/vax-protos.h: Likewise.
        * config/vax/vax.c: Likewise.
        * config/vax/vax.h: Likewise.
        * config/vax/vax.md: Likewise.
        * config/vax/vax.opt: Likewise.

2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>

        * config/vax/builtins.md (ffssi2, ffssi2_internal,
        sync_lock_test_and_set<mode>, sync_lock_release<mode>): Fix indention.
        * config/vax/constraints.md (B, R): Likewise.
        * config/vax/predicates.md (external_memory_operand,
        nonimmediate_addsub_di_operand): Likewise.
        * config/vax/vax.c (vax_output_int_add): Likewise.
        * config/vax/vax.md (movsi, movsi_2, mov<mode>, call_value,
        untyped_call): Likewise.

2009-04-01  Matt Thomas  <matt@3am-software.com>

        * config/vax/predicates.md: New file.
        (symbolic_operand, local_symbolic_operand, external_symbolic_operand,
        external_const_operand, nonsymbolic_operand, external_memory_operand,
        indirect_memory_operand, indexed_memory_operand,
        illegal_blk_memory_operand, illegal_addsub_di_memory_operand,
        nonimmediate_addsub_di_operand, general_addsub_di_operand): New
        predicate.
        * config/vax/constraints.md: New file.
        (Z0, U06,  U08, U16, CN6, S08, S16, I, J, K, L, M, N, O, G, Q, B, R, T):
        New constraint.
        * config/vax/builtins.md: New file.
        (ffssi2, ffssi2_internal, sync_lock_test_and_set<mode>, jbbssiqi,
        jbbssihi, jbbssisi, sync_lock_release<mode>, jbbcciqi, jbbccihi,
        jbbccisi): Define.
        * config/vax/vax.opt (mqmath): Add option.
        * config/vax/vax.md (isfx): Extend with DI.
        (VAXintQH, VAXintQHSD): Define.
        (tst<mode>, cmp<mode>, *bit<mode>, movmemhi1, truncsiqi2, truncsihi2,
        mulsidi3, add<mode>3, sub<mode>, mul<mode>3, div<mode>3, and<mode>,
        and<mode>_const_int, ior<mode>3, xor<mode>3, neg<mode>2,
        one_cmpl<mode>2, ashlsi3, lshrsi3, rotlsi3): Update constraints.
        (movdi): Update constraints and use vax_output_int_move().
        (movsi, movsi_2, pushlclsymreg, pushextsymreg, movlclsymreg,
        movextsymreg, adddi3, adcdi3, subdi3, sbcdi3, pushextsym, movextsym,
        pushlclsym, movlclsym, movaddr<mode>, pushaddr<mode>,
        nonlocal_goto): New.
        (mov<mode>): Extend accepted operand types.
        (subdi3_old): Rename from subdi3, change update constraints and use
        a new implementation.
        * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Add space.
        (FRAME_POINTER_CFA_OFFSET, IRA_COVER_CLASSES, CLASS_MAX_NREGS,
        MOVE_RATIO, CLEAR_RATIO): Define.
        (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P,
        CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
        (PRINT_OPERAND): Redefine using a function instead of inlined code.
        * config/vax/vax.c (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Define.
        (split_quadword_operands): Make static and really allow variable
        splitting.
        (print_operand_address): Update for PIC generation.
        (print_operand, vax_builtin_setjmp_frame_value, vax_output_int_subtract,
        indexable_address_p, fixup_mathdi_operand,
        vax_expand_addsub_di_operands, adjacent_operands_p): New.
        (vax_float_literal, legitimate_constant_p,
        indirectable_constant_address_p, index_term_p,
        reg_plus_index_p): Return bool instead of int.
        (vax_rtx_costs): Fix cost for CONST_INT, indent and use HOST_WIDE_INT
        where needed.
        (vax_output_int_move, vax_output_int_add): Extend to allow PIC
        generation.
        (vax_output_conditional_branch): Indent.
        (legitimate_constant_address_p, indirectable_constant_address_p,
        indirectable_address_p, nonindexed_address_p, legitimate_address_p,
        vax_mode_dependent_address_p): Return bool instead of int, update for
        PIC generation.
        * config/vax/vax-protos.h (legitimate_constant_address_p,
        legitimate_constant_p, legitimate_address_p,
        vax_mode_dependent_address_p): Change declaration to bool.
        (legitimate_pic_operand_p, adjacent_operands_p, print_operand,
        vax_expand_addsub_di_operands, vax_output_int_subtract,
        vax_output_movmemsi): Declare.
        (split_quadword_operands, vax_float_literal): Delete declaration.
        * config/vax/netbsd-elf.h (CC1_SPEC, CC1PLUS_SPEC) Define.
        * config/vax/elf.h (NO_EXTERNAL_INDIRECT_ADDRESS,
        VAX_CC1_AND_CC1PLUS_SPEC, ASM_PREFERRED_EH_DATA_FORMAT,
        ASM_OUTPUT_DWARF_PCREL): Define.
        (ASM_SPEC): Change definition to allow PIC generation.

2009-04-01  Steve Ellcey  <sje@cup.hp.com>

        * doc/sourcebuild.texi: Update front-end requirements.

2009-04-01  Jakub Jelinek  <jakub@redhat.com>

        PR target/39226
        * config/rs6000/rs6000.md (andsi3_internal5_nomc,
        anddi3_internal2_nomc, anddi3_internal3_nomc): Removed.
        (booldi3_internal3): Use boolean_or_operator instead of
        boolean_operator.

2009-04-01  Joseph Myers  <joseph@codesourcery.com>

        PR c/39605
        * c-decl.c (grokdeclarator): Pedwarn for file-scope array
        declarator whose size is not an integer constant expression but
        folds to an integer constant, then treat it as a constant
        subsequently.

2009-04-01  Richard Guenther  <rguenther@suse.de>

        * fold-const.c (fold_plusminus_mult_expr): Do not fold
        i * 4 + 2 to (i * 2 + 1) * 2.

2009-04-01  Jakub Jelinek  <jakub@redhat.com>

        PR c/37772
        * c-parser.c (c_parser_asm_statement): Skip until close paren and
        return if c_parser_asm_string_literal returned NULL.

2009-04-01  Nick Clifton  <nickc@redhat.com>

        * config/m32c/m32c.h (LIBGCC2_UNITS_PER_WORD): Define if not
        already defined.
        * config/m32c/t-m32c (LIB2FUNCS_EXTRA): Add m32c-lib2-trapv.c.
        * config/m32c/m32c-lib2.c: Remove unused typedefs.  Rename the
        other typedefs to avoid conflicts with libgcc2.c.  Define labels
        to gain 16-bit bit-manipulation functions from libgcc2.c and then
        include it.
        * config/m32c/m32c-lib2-trapv.c: New file.  Define labels
        to gain 16-bit trapping arithmetic functions from libgcc2.c and
        then include it.

2009-04-01  Rafael Avila de Espindola  <espindola@google.com>

        * varasm.c (default_function_rodata_section): Declare DOT as
        const char*.

2009-04-01  Kai Tietz  <kai.tietz@onevision.com>
            Andrey Galkin  <agalkin@hypercom.com>

        PR/39492
        * config/i386/host-mingw32.c (mingw32_gt_pch_use_address):
        Make object_name unique for each process.

2009-04-01  Jakub Jelinek  <jakub@redhat.com>

        PR other/39591
        * omp-low.c (remove_exit_barrier): Don't optimize if there are any
        addressable variables in the parallel that could go out of scope while
        running queued tasks.

2009-04-01  Anatoly Sokolov  <aesok@post.ru>

        * config/avr/avr.h (avr_case_values_threshold): Remove declaration.
        (CASE_VALUES_THRESHOLD): Redefine.
        * config/avr/avr.c (avr_override_options): Remove initialization of
        avr_case_values_threshold variable.
        (avr_case_values_threshold): Remove variable. Add new function.
        * config/avr/avr-protos.h (avr_case_values_threshold): Declare.
        * config/avr/avr.opt (mno-tablejump): Remove option.
        * doc/invoke.texi (AVR Options): Remove -mno-tablejump.

2009-04-01  DJ Delorie  <dj@redhat.com>

        * varasm.c (default_function_rodata_section): Don't assume
        anything about where the first '.' in the section name is.

2009-04-01  Alan Modra  <amodra@bigpond.net.au>

        * config/rs6000/rs6000.c (rs6000_emit_stack_reset): Delete redundant
        rs6000_emit_stack_tie.

2009-03-31  Ian Lance Taylor  <iant@google.com>

        * tree-eh.c (tree_remove_unreachable_handlers): Compare
        gimple_code with GIMPLE_RESX, not RESX.

2009-03-31  Joseph Myers  <joseph@codesourcery.com>

        * c-common.c (c_get_ident): New.
        (c_common_nodes_and_builtins): Call it for type names that may be NULL.

2009-04-01  Ben Elliston  <bje@au.ibm.com>

        * config/rs6000/sysv4.opt (msdata): Improve option description.

2009-03-31  Steve Ellcey  <sje@cup.hp.com>

        * config/ia64/ia64.md (divsf3_internal_lat): Remove.
        (divdf3_internal_lat): Remove.
        (divxf3_internal_lat): Remove.
        (divxf3_internal_thr): Remove.
        (divxf): Use divxf3_internal.
        * config/ia64/div.md (divsf3_internal_lat): New.
        (divdf3_internal_lat): New.
        (divxf3_internal): New.

2009-03-31  Joseph Myers  <joseph@codesourcery.com>

        PR c/448
        * Makefile.in (USE_GCC_STDINT): Define.
        (stmp-int-hdrs): Install stdint.h if applicable.
        * c-common.c (CHAR16_TYPE): Define in terms of UINT_LEAST16_TYPE
        if known.
        (CHAR32_TYPE): Define in terms of UINT_LEAST32_TYPE if known.
        (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE, INT64_TYPE,
        UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
        INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
        INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
        UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
        INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
        UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
        UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
        (c_common_nodes_and_builtins): Initialize
        underlying_wchar_type_node.  Do not initialize
        signed_wchar_type_node or unsigned_wchar_type_node.  Initialize
        nodes for new types.
        (c_stddef_cpp_builtins): Define macros for new types.
        * c-common.h (CTI_SIGNED_WCHAR_TYPE, CTI_UNSIGNED_WCHAR_TYPE):
        Remove.
        (CTI_UNDERLYING_WCHAR_TYPE, CTI_SIG_ATOMIC_TYPE, CTI_INT8_TYPE,
        CTI_INT16_TYPE, CTI_INT32_TYPE, CTI_INT64_TYPE, CTI_UINT8_TYPE,
        CTI_UINT16_TYPE, CTI_UINT32_TYPE, CTI_UINT64_TYPE,
        CTI_INT_LEAST8_TYPE, CTI_INT_LEAST16_TYPE, CTI_INT_LEAST32_TYPE,
        CTI_INT_LEAST64_TYPE, CTI_UINT_LEAST8_TYPE, CTI_UINT_LEAST16_TYPE,
        CTI_UINT_LEAST32_TYPE, CTI_UINT_LEAST64_TYPE, CTI_INT_FAST8_TYPE,
        CTI_INT_FAST16_TYPE, CTI_INT_FAST32_TYPE, CTI_INT_FAST64_TYPE,
        CTI_UINT_FAST8_TYPE, CTI_UINT_FAST16_TYPE, CTI_UINT_FAST32_TYPE,
        CTI_UINT_FAST64_TYPE, CTI_INTPTR_TYPE, CTI_UINTPTR_TYPE): Define.
        (signed_wchar_type_node, unsigned_wchar_type_node): Remove.
        (underlying_wchar_type_node, sig_atomic_type_node, int8_type_node,
        int16_type_node, int32_type_node, int64_type_node,
        uint8_type_node, uint16_type_node, c_uint32_type_node,
        c_uint64_type_node, int_least8_type_node, int_least16_type_node,
        int_least32_type_node, int_least64_type_node,
        uint_least8_type_node, uint_least16_type_node,
        uint_least32_type_node, uint_least64_type_node,
        int_fast8_type_node, int_fast16_type_node, int_fast32_type_node,
        int_fast64_type_node, uint_fast8_type_node, uint_fast16_type_node,
        uint_fast32_type_node, uint_fast64_type_node, intptr_type_node,
        uintptr_type_node): Define.
        * c-cppbuiltin.c (builtin_define_constants,
        builtin_define_type_minmax): New.
        (builtin_define_stdint_macros): Define more macros.
        (c_cpp_builtins): Define more limit macros.
        (type_suffix): New.
        (builtin_define_type_max): Define in terms of
        builtin_define_type_minmax.  Remove is_long parameter.  All
        callers changed.
        * config.gcc (use_gcc_stdint): Define.
        (tm_file): Add glibc-stdint.h for targets using glibc or uClibc.
        Add newlib-stdint.h for generic targets.
        * config/glibc-stdint.h, config/newlib-stdint.h,
        ginclude/stdint-gcc.h, ginclude/stdint-wrap.h: New.
        * config/m32c/m32c.h (UINTPTR_TYPE): Define.
        * config/score/score.h (UINTPTR_TYPE): Define.
        * config/sol2.h (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE,
        INT32_TYPE, INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE,
        UINT64_TYPE, INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
        INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
        UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
        INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
        UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
        UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
        * config/spu/spu.h (STDINT_LONG32): Define.
        * configure.ac (use_gcc_stdint): Substitute.
        * configure: Regenerate.
        * doc/cpp.texi (__SIG_ATOMIC_TYPE__, __INT8_TYPE__,
        __INT16_TYPE__, __INT32_TYPE__, __INT64_TYPE__, __UINT8_TYPE__,
        __UINT16_TYPE__, __UINT32_TYPE__, __UINT64_TYPE__,
        __INT_LEAST8_TYPE__, __INT_LEAST16_TYPE__, __INT_LEAST32_TYPE__,
        __INT_LEAST64_TYPE__, __UINT_LEAST8_TYPE__, __UINT_LEAST16_TYPE__,
        __UINT_LEAST32_TYPE_, __UINT_LEAST64_TYPE__, __INT_FAST8_TYPE__,
        __INT_FAST16_TYPE__, __INT_FAST32_TYPE__, __INT_FAST64_TYPE__,
        __UINT_FAST8_TYPE__, __UINT_FAST16_TYPE__, __UINT_FAST32_TYPE__,
        __UINT_FAST64_TYPE__, __INTPTR_TYPE__, __UINTPTR_TYPE__,
        __WINT_MAX__, __SIZE_MAX__, __PTRDIFF_MAX__, __UINTMAX_MAX__,
        __SIG_ATOMIC_MAX__, __INT8_MAX__, __INT16_MAX__, __INT32_MAX__,
        __INT64_MAX__, __UINT8_MAX__, __UINT16_MAX__, __UINT32_MAX__,
        __UINT64_MAX__, __INT_LEAST8_MAX__, __INT_LEAST16_MAX__,
        __INT_LEAST32_MAX__, __INT_LEAST64_MAX__, __UINT_LEAST8_MAX__,
        __UINT_LEAST16_MAX__, __UINT_LEAST32_MAX__, __UINT_LEAST64_MAX__,
        __INT_FAST8_MAX__, __INT_FAST16_MAX__, __INT_FAST32_MAX__,
        __INT_FAST64_MAX__, __UINT_FAST8_MAX__, __UINT_FAST16_MAX__,
        __UINT_FAST32_MAX__, __UINT_FAST64_MAX__, __INTPTR_MAX__,
        __UINTPTR_MAX__, __WCHAR_MIN__, __WINT_MIN__, __SIG_ATOMIC_MIN__,
        __INT8_C, __INT16_C, __INT32_C, __INT64_C, __UINT8_C, __UINT16_C,
        __UINT32_C, __UINT64_C, __INTMAX_C, __UINTMAX_C): Document.
        * doc/tm.texi (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE,
        INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
        INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
        INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
        UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
        INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
        UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
        UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Document.

2009-03-31  Bernd Schmidt  <bernd.schmidt@analog.com>

        * loop-iv.c (suitable_set_for_replacement): Renamed from
        simplify_using_assignment; changed to return bool and to accept new
        args DEST and SRC.  Return true iff we find a source/destination pair
        that can be used to make a replacement, and fill SRC and DEST if so.
        Remove arg ALTERED.  Don't deal with altered regs here.  All callers
        changed.
        (simplify_using_initial_values): Deal with altered regs here and track
        more precisely the effect they have on the validity of our expression.

        * loop-iv.c (simplify_using_condition): A condition of the form
        (EQ REG CONST) can be used to simply make a substitution.
        (simplify_using_initial_values): Keep track of conditions we have seen
        and keep using them to simplify new expressions, while applying the
        same substitutions to them as to the expression.

        * simplify-rtx.c (simplify_relational_operation_1): Simplify
        (LTU (PLUS a C) C) or (LTU (PLUS a C) a) to (GEU a -C); likewise with
        GEU/LTU reversed.

        * loop-iv.c (determine_max_iter): New arg OLD_NITER.  All callers
        changed.  Use this when trying to improve the upper bound.
        Generate the comparison by using simplify_gen_relational.

        * loop-iv.c (simple_rhs_p): Allow more kinds of expressions.

        * loop-iv.c (replace_single_def_regs, replace_in_expr): New static
        functions.
        (simplify_using_assignment, simplify_using_initial_values): Call
        replace_in_expr to make replacements.  Call replace_single_def_regs
        once on the initial version of the expression.

2009-03-31  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>

        PR target/27237
        * doc/invoke.texi (ARM Options): Update documentation for -mthumb.

2009-03-31  Richard Guenther  <rguenther@suse.de>

        PR middle-end/31029
        * fold-const.c (fold_binary): Fold X +- Y CMP X to Y CMP 0 for
        equality comparisons.  Fold C - X CMP X if C % 2 == 1.

2009-03-31  Richard Guenther  <rguenther@suse.de>

        * tree.h (div_if_zero_remainder): Declare.
        * fold-const.c (div_if_zero_remainder): Export.
        * tree-ssa-forwprop.c
        (forward_propagate_addr_into_variable_array_index): Handle
        constant array index addition outside of the variable index.

2009-03-31  Joseph Myers  <joseph@codesourcery.com>

        PR target/39592
        * config/i386/i386.md (*floatunssi<mode>2_1, two unnamed
        define_splits, floatunssi<mode>2): Require x87 conversions from
        DImode to be permitted.

2009-03-31  Joseph Myers  <joseph@codesourcery.com>

        PR preprocessor/15638
        * c-common.c (c_cpp_error): Handle CPP_DL_FATAL.

2009-03-31  Richard Guenther  <rguenther@suse.de>

        PR middle-end/23401
        PR middle-end/27810
        * tree.h (DECL_GIMPLE_FORMAL_TEMP_P): Remove.
        (struct tree_decl_with_vis): Remove gimple_formal_temp member.
        * tree-eh.c (lower_eh_constructs_2): Move LHS assignment to
        a separate statement.
        * gimplify.c (pop_gimplify_context): Remove formal temp handling.
        (lookup_tmp_var): Likewise.
        (is_gimple_formal_tmp_or_call_rhs): Remove.
        (is_gimple_reg_or_call_rhs): Rename to ...
        (is_gimple_reg_rhs_or_call): ... this.
        (is_gimple_mem_or_call_rhs): Rename to ...
        (is_gimple_mem_rhs_or_call): ... this.
        (internal_get_tmp_var): Use is_gimple_reg_rhs_or_call.  Set
        DECL_GIMPLE_REG_P only if is_formal is true.
        (gimplify_compound_lval): Use is_gimple_reg.  Remove workaround
        for non-proper post-modify expression gimplification.
        (gimplify_self_mod_expr): For post-modify expressions gimplify
        the lvalue to a minimal lvalue.
        (rhs_predicate_for): Remove formal temp case.
        (gimplify_modify_expr_rhs): Likewise.
        (gimplify_addr_expr): Use is_gimple_reg.
        (gimplify_expr): Remove formal temp cases.
        (gimple_regimplify_operands): Likewise.
        * tree-ssa-pre.c (get_or_alloc_expr_for): Treat EXC_PTR_EXPR
        and FILTER_EXPR like constants.
        * gimple.c (walk_gimple_op): Fix val_only initialization, use
        is_gimple_reg.
        (is_gimple_formal_tmp_rhs): Remove.
        (is_gimple_reg_rhs): Remove special casing.
        (is_gimple_mem_rhs): Fix.
        (is_gimple_reg): Move DECL_GIMPLE_REG_P handling earlier.
        (is_gimple_formal_tmp_var): Remove.
        (is_gimple_formal_tmp_reg): Likewise.
        (is_gimple_min_lval): Allow invariant component ref parts.
        * gimple.h (is_gimple_formal_tmp_rhs, is_gimple_formal_tmp_var,
        is_gimple_formal_tmp_reg): Remove declarations.
        * tree-cfg.c (verify_expr): Verify that variables with address
        taken do not have DECL_GIMPLE_REG_P set.
        * tree-mudflap.c (mf_build_check_statement_for): Use
        force_gimple_operand instead of gimplify_expr.

2009-03-31  Ayal Zaks  <zaks@il.ibm.com>

        * modulo-sched.c (sms_schedule_by_order): Pass the actual
        schedulable rows to compute_split_row.

2009-03-31  Ben Elliston  <bje@au.ibm.com>

        PR target/31635
        * config/rs6000/rs6000.c (rs6000_handle_option): Handle
        OPT_mvrsave.

2009-03-31  Alan Modra  <amodra@bigpond.net.au>

        * doc/invoke.texi (RS/6000 and PowerPC Options):Document mtls-markers.
        * configure.ac (HAVE_AS_TLS_MARKERS): New gas feature check.
        * configure: Regenerate.
        * config.in: Regenerate.
        * config/rs6000/rs6000.opt (mtls-markers): Add.
        * config/rs6000/rs6000.h (TARGET_TLS_MARKERS): Define.
        * config/rs6000/rs6000.md (tls_gd_aix, tls_gd_sysv): Add splitter.
        (tls_ld_aix, tls_ld_sysv): Likewise.
        (tls_gd, tls_gd_call_aix, tls_gd_call_sysv): New insns.
        (tls_ld, tls_ld_call_aix, tls_ld_call_sysv): Likewise.

2009-03-31  Alan Modra  <amodra@bigpond.net.au>

        * config/spu/spu.c (spu_expand_prologue): Delete redundant code.

2009-03-30  Jan Hubicka  <jh@suse.cz>

        * tree-eh.c (make_eh_edges): Set probability 100% to first edge
        out of RESX.
        (tree_remove_unreachable_handlers): Cleanup EH predecestor
        detection and label handling.

2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>

        * ira-int.h (ira_allocno): Rename left_conflicts_num to
        left_conflicts_size.
        (ALLOCNO_LEFT_CONFLICTS_NUM): Rename to
        ALLOCNO_LEFT_CONFLICTS_SIZE.

        * ira-color.c (allocno_spill_priority, push_allocno_to_stack,
        remove_allocno_from_bucket_and_push,
        allocno_spill_priority_compare, push_allocnos_to_stack,
        setup_allocno_available_regs_num): Use ALLOCNO_LEFT_CONFLICTS_SIZE
        instead of ALLOCNO_LEFT_CONFLICTS_NUM.
        (setup_allocno_left_conflicts_num): Ditto.  Rename to
        setup_allocno_left_conflicts_size.
        (put_allocno_into_bucket): Use ALLOCNO_LEFT_CONFLICTS_SIZE
        instead of ALLOCNO_LEFT_CONFLICTS_NUM and
        setup_allocno_left_conflicts_size instead of
        setup_allocno_left_conflicts_num.

        * ira-build.c (ira_create_allocno): Use
        ALLOCNO_LEFT_CONFLICTS_SIZE instead of
        ALLOCNO_LEFT_CONFLICTS_NUM.

2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>

        * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
        instead of DF_LR_OUT.

        * ira-lives.c (process_bb_node_lives): Ditto.

        * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
        instead of DF_LR_{OUT,IN}.

        * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.

        * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.

2009-03-30  Jan Hubicka  <jh@suse.cz>

        * except.c (label_to_region_map): Fix thinko.

2009-03-30  Steve Ellcey  <sje@cup.hp.com>

        PR middle-end/38237
        * tree.h (tree_find_value): New declaration.
        * tree.c (tree_find_value): New function.
        * varasm.c (assemble_external): Avoid duplicate entries on lists.

2009-03-30  Jakub Jelinek  <jakub@redhat.com>

        PR debug/39563
        * c-decl.c (struct c_binding): Add locus field.
        (bind): Add locus argument, set locus field from it.
        (pop_scope): For b->nested VAR_DECL or FUNCTION_DECL,
        add a DECL_EXTERNAL copy of b->decl to current BLOCK_VARS.
        (push_file_scope, pushtag, pushdecl, pushdecl_top_level,
        implicitly_declare, undeclared_variable, lookup_label,
        declare_label, c_make_fname_decl, c_builtin_function,
        c_builtin_function_ext_scope, store_parm_decls_newstyle): Adjust
        bind callers.

2009-03-30  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/38781
        * config/i386/i386.c (classify_argument): Check total size of
        structure.

2009-03-30  Martin Jambor  <mjambor@suse.cz>

        * ipa-prop.h (jump_func_type): Rename IPA_UNKNOWN, IPA_CONST,
        IPA_CONST_MEMBER_PTR, and IPA_PASS_THROUGH to IPA_JF_UNKNOWN,
        IPA_JF_CONST, IPA_JF_CONST_MEMBER_PTR, and IPA_JF_PASS_THROUGH
        respectively.

        * tree-dfa.c (get_ref_base_and_extent): Return -1 maxsize if
        seen_variable_array_ref while also traversing a union.

        * tree-inline.c (optimize_inline_calls): Do not call
        cgraph_node_remove_callees.
        * cgraphbuild.c (remove_cgraph_callee_edges): New function.
        (pass_remove_cgraph_callee_edges): New variable.
        * passes.c (init_optimization_passes): Add
        pass_remove_cgraph_callee_edges after early inlining and before all
        late intraprocedural passes.

        * omp-low.c (expand_omp_taskreg): Always set current_function_decl.

2009-03-30  Paolo Bonzini  <bonzini@gnu.org>

        * config/sparc/sparc.md (*nand<V64mode>_vis, *nand<V32mode>_vis):
        Fix typos in names.

2009-03-30  Paolo Bonzini  <bonzini@gnu.org>

        * combine.c (simplify_comparison): Use have_insn_for.
        * dojump.c (do_jump): Likewise.

2009-03-30  Paolo Bonzini  <bonzini@gnu.org>

        * config/sparc/sparc.c (sparc_compare_emitted): Remove.
        (gen_compare_reg, emit_v9_brxx_insn): Handle MODE_CC
        sparc_compare_op0 like sparc_compare_emitted used to be handled.
        (sparc_expand_compare_and_swap_12): Set sparc_compare_op0
        instead of sparc_compare_emitted.
        * config/sparc/sparc.h (sparc_compare_emitted): Remove.
        * config/sparc/sparc.md (stack_protect_test): Set sparc_compare_op0
        instead of sparc_compare_emitted.

2009-03-30  Paolo Bonzini  <bonzini@gnu.org>

        * bb-reorder.c (partition_hot_cold_basic_blocks): Do not
        enter/exit cfglayout mode.
        (pass_partition_block): Require it.
        * combine.c (find_single_use, reg_dead_at_p): Use CFG.
        (combine_instructions): Track basic blocks instead of labels.
        (update_cfg_for_uncondjump): New.
        (try_combine): Use it.  Update jumps after rescanning.
        (pass_combine): Require PROP_cfglayout.
        * passes.c (pass_outof_cfg_layout_mode): Move after regmove.

2009-03-30  Paolo Bonzini  <bonzini@gnu.org>

        * cfglayout.c (pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode):
        Provide/destroy PROP_cfglayout respectively.
        * gcse.c (pass_jump_bypass, pass_gcse): Require it.
        * tree-pass.h (PROP_cfglayout): New.

2009-03-30  Paolo Bonzini  <bonzini@gnu.org>

        * fold-const.c (const_binop, fold_convert_const_real_from_fixed,
        fold_convert_const_fixed_from_fixed,
        fold_convert_const_fixed_from_int,
        fold_convert_const_fixed_from_real, fold_negate_const): Do not
        set TREE_CONSTANT_OVERFLOW.
        * tree.def: Remove mention of TREE_CONSTANT_OVERFLOW.
        * tree.h (TREE_CONSTANT_OVERFLOW): Delete.

2009-03-30  Ira Rosen  <irar@il.ibm.com>

        * tree-vect-loop-manip.c: New file.
        * tree-vectorizer.c: Update documentation and included files.
        (vect_loop_location): Make extern.
        (rename_use_op): Move to tree-vect-loop-manip.c
        (rename_variables_in_bb, rename_variables_in_loop,
        slpeel_update_phis_for_duplicate_loop,
        slpeel_update_phi_nodes_for_guard1,
        slpeel_update_phi_nodes_for_guard2, slpeel_make_loop_iterate_ntimes,
        slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_add_loop_guard,
        slpeel_can_duplicate_loop_p, slpeel_verify_cfg_after_peeling,
        set_prologue_iterations, slpeel_tree_peel_loop_to_edge,
        find_loop_location): Likewise.
        (new_stmt_vec_info): Move to tree-vect-stmts.c.
        (init_stmt_vec_info_vec, free_stmt_vec_info_vec, free_stmt_vec_info,
        get_vectype_for_scalar_type, vect_is_simple_use,
        supportable_widening_operation, supportable_narrowing_operation):
        Likewise.
        (bb_in_loop_p): Move to tree-vect-loop.c.
        (new_loop_vec_info, destroy_loop_vec_info,
        reduction_code_for_scalar_code, report_vect_op,
        vect_is_simple_reduction, vect_is_simple_iv_evolution): Likewise.
        (vect_can_force_dr_alignment_p): Move to tree-vect-data-refs.c.
        (vect_supportable_dr_alignment): Likewise.
        * tree-vectorizer.h (tree-data-ref.h): Include.
        (vect_loop_location): Declare.
        Reorganize function declarations according to the new file structure.
        * tree-vect-loop.c: New file.
        * tree-vect-analyze.c: Remove. Move functions to tree-vect-data-refs.c,
        tree-vect-stmts.c, tree-vect-slp.c, tree-vect-loop.c.
        * tree-vect-data-refs.c: New file.
        * tree-vect-patterns.c (timevar.h): Don't include.
        * tree-vect-stmts.c: New file.
        * tree-vect-transform.c: Remove. Move functions to tree-vect-stmts.c,
        tree-vect-slp.c, tree-vect-loop.c.
        * Makefile.in (OBJS-common): Remove tree-vect-analyze.o and
        tree-vect-transform.o. Add tree-vect-data-refs.o, tree-vect-stmts.o,
        tree-vect-loop.o, tree-vect-loop-manip.o, tree-vect-slp.o.
        (tree-vect-analyze.o): Remove.
        (tree-vect-transform.o): Likewise.
        (tree-vect-data-refs.o): Add rule.
        (tree-vect-stmts.o, tree-vect-loop.o, tree-vect-loop-manip.o,
        tree-vect-slp.o): Likewise.
        (tree-vect-patterns.o): Remove redundant dependencies.
        (tree-vectorizer.o): Likewise.
        * tree-vect-slp.c: New file.

2009-03-30  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

        * optc-gen.awk: Warn if an option flag has multiple different
        help strings.

2009-03-30  Sebastian Pop  <sebastian.pop@amd.com>

        * doc/invoke.texi (-floop-interchange, -floop-strip-mine,
        -floop-block): Document dependences on PPL, CLooG and Graphite.

2009-03-30  Joseph Myers  <joseph@codesourcery.com>

        PR rtl-optimization/323
        * c-common.c (c_fully_fold, convert_and_check,
        c_common_truthvalue_conversion): Handle EXCESS_PRECISION_EXPR.
        (c_fully_fold_internal): Disallow EXCESS_PRECISION_EXPR.
        * c-common.def (EXCESS_PRECISION_EXPR): New.
        * c-cppbuiltin.c (builtin_define_float_constants): Define
        constants with enough digits for long double.
        * c-lex.c (interpret_float): Interpret constant with excess
        precision where appropriate.
        * c-opts.c (c_common_post_options): Set
        flag_excess_precision_cmdline.  Give an error for
        -fexcess-precision=standard for C++ for processors where the
        option is significant.
        * c-parser.c (c_parser_conditional_expression): Handle excess
        precision in condition.
        * c-typeck.c (convert_arguments): Handle arguments with excess
        precision.
        (build_unary_op): Move excess precision outside operation.
        (build_conditional_expr): Likewise.
        (build_compound_expr): Likewise.
        (build_c_cast): Do cast on operand of EXCESS_PRECISION_EXPR.
        (build_modify_expr): Handle excess precision in RHS.
        (convert_for_assignment): Handle excess precision in converted
        value.
        (digest_init, output_init_element, process_init_element): Handle
        excess precision in initializer.
        (c_finish_return): Handle excess precision in return value.
        (build_binary_op): Handle excess precision in operands and add
        excess precision as needed for operation.
        * common.opt (-fexcess-precision=): New option.
        * config/i386/i386.h (X87_ENABLE_ARITH, X87_ENABLE_FLOAT): New.
        * config/i386/i386.md (float<SSEMODEI24:mode><X87MODEF:mode>2):
        For standard excess precision, output explicit conversion to and
        truncation from XFmode.
        (*float<SSEMODEI24:mode><X87MODEF:mode>2_1,
        *float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp,
        *float<SSEMODEI24:mode><X87MODEF:mode>2_i387, two unnamed
        define_splits, floatdi<X87MODEF:mode>2_i387_with_xmm, two unnamed
        define_splits, *floatunssi<mode>2_1, two unnamed define_splits,
        floatunssi<mode>2, add<mode>3, sub<mode>3, mul<mode>3, divdf3,
        divsf3, *fop_<mode>_comm_i387, *fop_<mode>_1_i387,
        *fop_<MODEF:mode>_2_i387, *fop_<MODEF:mode>_3_i387,
        *fop_df_4_i387, *fop_df_5_i387, *fop_df_6_i387, two unnamed
        define_splits, sqrt<mode>2): Disable where appropriate for
        standard excess precision.
        * convert.c (convert_to_real): Do not shorten arithmetic to type
        for which excess precision would be used.
        * defaults.h (TARGET_FLT_EVAL_METHOD_NON_DEFAULT): Define.
        * doc/invoke.texi (-fexcess-precision=): Document option.
        (-mfpmath=): Correct index entry.
        * flags.h (enum excess_precision, flag_excess_precision_cmdline,
        flag_excess_precision): New.
        * langhooks.c (lhd_post_options): Set
        flag_excess_precision_cmdline.
        * opts.c (common_handle_option): Handle -fexcess-precision=.
        * toplev.c (flag_excess_precision_cmdline, flag_excess_precision,
        init_excess_precision): New.
        (lang_dependent_init_target): Call init_excess_precision.
        * tree.c (excess_precision_type): New.
        * tree.h (excess_precision_type): Declare.

2009-03-30  Joseph Myers  <joseph@codesourcery.com>

        PR c/35235
        * c-typeck.c (build_component_ref): Do not copy qualifiers from
        non-lvalue to component.

2009-03-29  Joseph Myers  <joseph@codesourcery.com>

        PR preprocessor/34695
        * Makefile.in (c-opts.o): Depend on c-tree.h.
        * c-common.c: Move down include of diagnostic.h.
        (done_lexing, c_cpp_error): New.
        * c-common.h (done_lexing): Declare.
        * c-decl.c (c_write_global_declarations): Don't check cpp_errors
        (parse_in).
        * c-opts.c: Include c-tree.h.
        (c_common_init_options): Set preprocessor error callback.
        (c_common_handle_option): Do not set preprocessor
        inhibit_warnings, warnings_are_errors, warn_system_headers,
        pedantic_errors or inhibit_warnings flags.
        (c_common_post_options): Do not check cpp_errors (parse_in).
        (c_common_finish): Do not output dependencies if there were
        errors.  Do not check return value of cpp_finish.
        * c-ppoutput.c (pp_file_change): Set input_location.
        * c-tree.h (c_cpp_error): Declare.
        * diagnostic.c (diagnostic_set_info_translated): Also initialize
        override_column.
        (diagnostic_build_prefix): Check override_column.
        * diagnostic.h (diagnostic_info): Add override_column field.
        (diagnostic_override_column): Define.

2009-03-28  Paolo Bonzini  <bonzini@gnu.org>

        * c-common.c (c_expand_expr, c_staticp): Remove.
        * c-common.def (COMPOUND_LITERAL_EXPR): Delete.
        * c-common.h (emit_local_var, c_staticp, COMPOUND_LITERAL_EXPR_DECL,
        COMPOUND_LITERAL_EXPR_DECL_EXPR): Remove.
        * c-gimplify.c (gimplify_compound_literal_expr,
        optimize_compound_literals_in_ctor): Remove.
        (c_gimplify_expr): Remove COMPOUND_LITERAL_EXPR handling.
        * c-objc-common.h (LANG_HOOKS_STATICP): Remove.
        * c-semantics.c (emit_local_var): Remove.

        * langhooks-def.h (lhd_expand_expr): Remove.
        * langhooks.c (lhd_expand_expr): Remove.
        * langhooks.h (LANG_HOOKS_DEF): Remove LANG_HOOKS_EXPAND_EXPR.

        * expr.c (expand_expr_real_1): Move COMPOUND_LITERAL_EXPR
        handling from c-semantics.c; don't call into langhook.
        (expand_expr_addr_expr_1): Check that we don't get non-GENERIC trees.
        * gimplify.c (gimplify_compound_literal_expr,
        optimize_compound_literals_in_ctor): Move from c-gimplify.c.
        (gimplify_init_constructor): Call optimize_compound_literals_in_ctor.
        (gimplify_modify_expr_rhs, gimplify_expr): Handle COMPOUND_LITERAL_EXPR
        as was done in c-gimplify.c.
        * tree.c (staticp): Move COMPOUND_LITERAL_EXPR handling from c_staticp.
        * tree.h (COMPOUND_LITERAL_EXPR_DECL, COMPOUND_LITERAL_EXPR_DECL_EXPR):
        Move from c-common.h.
        * tree.def (COMPOUND_LITERAL_EXPR): Move from c-common.def.

        * tree.c (staticp): Do not call langhook.
        * langhooks.c (lhd_staticp): Delete.
        * langhooks-def.h (lhd_staticp): Delete prototype.
        (LANG_HOOKS_STATICP): Delete.
        (LANG_HOOKS_INITIALIZER): Delete LANG_HOOKS_STATICP.

        * doc/c-tree.texi (Expression nodes): Refer to DECL_EXPRs
        instead of DECL_STMTs.

2009-03-29  Joseph Myers  <joseph@codesourcery.com>

        PR c/456
        PR c/5675
        PR c/19976
        PR c/29116
        PR c/31871
        PR c/35198
        * builtins.c (fold_builtin_sincos): Build COMPOUND_EXPR in
        void_type_node.
        (fold_call_expr): Return a NOP_EXPR from folding rather than the
        contained expression.
        * c-common.c (c_fully_fold, c_fully_fold_internal, c_save_expr): New.
        (c_common_truthvalue_conversion): Use c_save_expr.  Do not fold
        conditional expressions for C.
        (decl_constant_value_for_optimization): Move from
        decl_constant_value_for_broken_optimization in c-typeck.c.  Check
        whether optimizing and that the expression is a VAR_DECL not of
        array type instead of doing such checks in the caller.  Do not
        check pedantic.  Call gcc_unreachable for C++.
        * c-common.def (C_MAYBE_CONST_EXPR): New.
        * c-common.h (c_fully_fold, c_save_expr,
        decl_constant_value_for_optimization): New prototypes.
        (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
        C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
        EXPR_INT_CONST_OPERANDS): Define.
        * c-convert.c (convert): Strip nops from expression.
        * c-decl.c (groktypename): Take extra parameters expr and
        expr_const_operands.  Update call to grokdeclarator.
        (start_decl): Update call to grokdeclarator.  Add statement for
        expressions used in type of decl.
        (grokparm): Update call to grokdeclarator.
        (push_parm_decl): Update call to grokdeclarator.
        (build_compound_literal): Add parameter non_const and build a
        C_MAYBE_COSNT_EXPR if applicable.
        (grokdeclarator): Take extra parameters expr and
        expr_const_operands.  Track expressions used in declaration
        specifiers and declarators.  Fold array sizes and track whether
        they are constant expressions and whether they are integer
        constant expressions.
        (parser_xref_tag): Set expr and expr_const_operands fields in
        return value.
        (grokfield): Update call to grokdeclarator.
        (start_function): Update call to grokdeclarator.
        (build_null_declspecs): Set expr and expr_const_operands fields in
        return value.
        (declspecs_add_type): Handle expressions in typeof specifiers.
        * c-parser.c (c_parser_declspecs): Set expr and
        expr_const_operands fields for declaration specifiers.
        (c_parser_enum_specifier): Likewise.
        (c_parser_struct_or_union_specifier): Likewise.
        (c_parser_typeof_specifier): Likewise.  Update call to
        groktypename.  Fold expression as needed.  Return expressions with
        type instead of adding statements.
        (c_parser_attributes): Update calls to c_parser_expr_list.
        (c_parser_statement_after_labels): Fold expression before passing
        to objc_build_throw_stmt.
        (c_parser_condition): Fold expression.
        (c_parser_asm_operands): Fold expression.
        (c_parser_conditional_expression): Use c_save_expr.  Update call
        to build_conditional_expr.
        (c_parser_alignof_expression): Update call to groktypename.
        (c_parser_postfix_expression): Preserve C_MAYBE_CONST_EXPR as
        original_code.  Fold expression argument of va_arg.  Create
        C_MAYBE_CONST_EXPR to preserve side effects of expressions in type
        argument to va_arg.  Update calls to groktypename.  Fold array
        index for offsetof.  Verify that first argument to
        __builtin_choose_expr has integer type.
        (c_parser_postfix_expression_after_paren_type): Update calls to
        groktypename and build_compound_literal.  Handle expressions with
        side effects in type name.
        (c_parser_postfix_expression_after_primary): Update call to
        c_parser_expr_list.  Set original_code for calls to
        __builtin_constant_p.
        (c_parser_expr_list): Take extra parameter fold_p.  Fold
        expressions if requested.
        (c_parser_objc_type_name): Update call to groktypename.
        (c_parser_objc_synchronized_statement): Fold expression.
        (c_parser_objc_receiver): Fold expression.
        (c_parser_objc_keywordexpr): Update call to c_parser_expr_list.
        (c_parser_omp_clause_num_threads, c_parser_omp_clause_schedule,
        c_parser_omp_atomic, c_parser_omp_for_loop): Fold expressions.
        * c-tree.h (CONSTRUCTOR_NON_CONST): Define.
        (struct c_typespec): Add elements expr and expr_const_operands.
        (struct c_declspecs): Add elements expr and expr_const_operands.
        (groktypename, build_conditional_expr, build_compound_literal):
        Update prototypes.
        (in_late_binary_op): Declare.
        * c-typeck.c (note_integer_operands): New function.
        (in_late_binary_op): New variable.
        (decl_constant_value_for_broken_optimization): Move to c-common.c
        and rename to decl_constant_value_for_optimization.
        (default_function_array_conversion): Do not strip nops.
        (default_conversion): Do not call
        decl_constant_value_for_broken_optimization.
        (build_array_ref): Do not fold result.
        (c_expr_sizeof_expr): Fold operand.  Use C_MAYBE_CONST_EXPR for
        result when operand is a VLA.
        (c_expr_sizeof_type): Update call to groktypename.  Handle
        expressions included in type name.  Use C_MAYBE_CONST_EXPR for
        result when operand names a VLA type.
        (build_function_call): Update call to build_compound_literal.
        Only fold result for calls to __builtin_* functions.  Strip
        NOP_EXPR from INTEGER_CST returned from such functions.  Fold
        the function designator.
        (convert_arguments): Fold arguments.  Update call to
        convert_for_assignment.
        (build_unary_op): Handle increment and decrement of
        C_MAYBE_CONST_EXPR.  Move lvalue checks for increment and
        decrement earlier.  Fold operand of increment and decrement.
        Handle address of C_MAYBE_CONST_EXPR.  Only fold expression being
        built for integer operand.  Wrap returns that are INTEGER_CSTs
        without being integer constant expressions or that have integer
        constant operands without being INTEGER_CSTs.
        (lvalue_p): Handle C_MAYBE_CONST_EXPR.
        (build_conditional_expr): Add operand ifexp_bcp.  Track whether
        result is an integer constant expression or can be used in
        unevaluated parts of one and avoid folding and wrap as
        appropriate.  Fold operands before possibly doing -Wsign-compare
        warnings.
        (build_compound_expr): Wrap result for C99 if operands can be used
        in integer constant expressions.
        (build_c_cast): Update call to digest_init.  Do not ignore
        overflow from casting floating-point constants to integers.  Wrap
        results that could be confused with integer constant expressions,
        null pointer constants or floating-point constants.
        (c_cast_expr): Update call to groktypename.  Handle expressions
        included in type name.
        (build_modify_expr): Handle modifying a C_MAYBE_CONST_EXPR.  Fold
        lhs inside possible SAVE_EXPR.  Fold RHS before assignment.
        Update calls to convert_for_assignment.
        (convert_for_assignment): Take new parameter
        null_pointer_constant.  Do not strip nops or call
        decl_constant_value_for_broken_optimization.  Set
        in_late_binary_op for conversions to boolean.
        (store_init_value): Update call to digest_init.
        (digest_init): Take new parameter null_pointer_constant.  Do not
        call decl_constant_value_for_broken_optimization.  pedwarn for
        initializers not constant expressions.  Update calls to
        convert_for_assignment.
        (constructor_nonconst): New.
        (struct constructor_stack): Add nonconst element.
        (really_start_incremental_init, push_init_level, pop_init_level):
        Handle constructor_nonconst and nonconst element.
        (set_init_index): Call constant_expression_warning for array
        designators.
        (output_init_element): Fold value.  Set constructor_nonconst as
        applicable.  pedwarn for initializers not constant expressions.
        Update call to digest_init.  Call constant_expression_warning
        where constant initializers are required.
        (process_init_element): Use c_save_expr.
        (c_finish_goto_ptr): Fold expression.
        (c_finish_return): Fold return value.  Update call to
        convert_for_assignment.
        (c_start_case): Fold switch expression.
        (c_process_expr_stmt): Fold expression.
        (c_finish_stmt_expr): Create C_MAYBE_CONST_EXPR as needed to
        ensure statement expression is not evaluated in constant expression.
        (build_binary_op): Track whether results are integer constant
        expressions or may occur in such, disable folding and wrap results
        as applicable.  Fold operands for -Wsign-compare warnings unless
        in_late_binary_op.
        (c_objc_common_truthvalue_conversion): Handle results folded to
        integer constants that are not integer constant expressions.
        * doc/extend.texi: Document when typeof operands are evaluated,
        that condition of __builtin_choose_expr is an integer constant
        expression, and more about use of __builtin_constant_p in
        initializers.

2009-03-29  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Properly
        propagate addresses of array references.

2009-03-29  Steven Bosscher  <steven@gcc.gnu.org>

        * regmove.c (perhaps_ends_bb_p): Remove.
        (optimize_reg_copy_1): Don't call perhaps_ends_bb_p.  Get basic block
        from INSN and check that the main loop stays within that basic block.
        (optimize_reg_copy_1, optimize_reg_copy_3, fixup_match_2): Likewise.
        (regmove_forward_pass): Split out from regmove_optimize.  Use
        FOR_EACH_BB and FOR_BB_INSNS instead of traversing the insns stream.
        (regmove_backward_pass): Split out from regmove_optimize.  Use
        FOR_EACH_BB_REVERSE and FOR_BB_INSNS_REVERS_SAFE.
        (regmove_optimize): Simplify.

2009-03-29  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/39545
        * config/i386/i386.c (classify_argument): Ignore flexible array
        member in struct and warn ABI change.

2009-03-29  H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/i386-protos.h (ix86_agi_dependent): New.

        * config/i386/i386.c (ix86_agi_dependent): Rewrite.
        (ix86_adjust_cost): Updated.

2009-03-29  Jan Hubicka  <jh@suse.cz>

        PR middle-end/28850
        * tree-pass.h (pass_cleanup_eh): New function.
        (remove_unreachable_regions): Break code handling RTL
        to rtl_remove_unreachable_regions; remove ERT_MUST_NOT_THROW
        that can not be reached by runtime.
        (can_be_reached_by_runtime): New function.
        (label_to_region_map): New function.
        (num_eh_regions): New function.
        (rtl_remove_unreachable_regions): New function.
        (convert_from_eh_region_ranges): Call rtl_remove_unreachable_regions.
        (remove_eh_region): New function.
        * except.h: Include sbitmap and vecprim.
        (remove_eh_region, remove_unreachable_regions, label_to_region_map,
        num_eh_regions): Declare.
        * passes.c (init_optimization_passes): Schedule cleanup_eh.
        * Makefile.in (EXCEPT_H): New; replace all uses of except.h by it.
        * tree-eh.c (tree_remove_unreachable_handlers): New function.
        (tree_empty_eh_handler_p): New function.
        (cleanup_empty_eh): New function.
        (cleanup_eh): New function.
        (pass_cleanup_eh): New function.

2009-03-29  Jan Hubicka  <jh@suse.cz>

        * except.c (verify_eh_tree): Fix handling of fun!=cfun; be ready
        for removed regions.

2009-03-29  Jan Hubicka  <jh@suse.cz>

        * except.c (dump_eh_tree): Dump all datastructures.

2009-03-29  Jan Hubicka  <jh@suse.cz>

        * except.c (duplicate_eh_regions_0): Handle AKA bitmap.
        (duplicate_eh_regions_1): Likewise.
        (duplicate_eh_regions): Likewise; cleanup code gorwing the region
        vector; call EH verification.
        (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
        Be ready for region being removed.

2009-03-29  Jan Hubicka  <jh@suse.cz>

        * bitmap.c (bitmap_last_set_bit): New function.
        * bitmap.h (bitmap_last_set_bit): Declare.

2009-03-29  David Ayers  <ayers@fsfe.org>

        PR objc/27377
        * c-typeck.c (build_conditional_expr): Emit ObjC warnings
        by calling objc_compare_types and surpress warnings about
        incompatible C pointers that are compatible ObjC pointers.

2009-03-29  Adam Nemet  <anemet@caviumnetworks.com>

        * cgraphbuild.c (build_cgraph_edges, rebuild_cgraph_edges): Don't
        call initialize_inline_failed.
        (initialize_inline_failed): Move it from here ...
        * cgraph.c (initialize_inline_failed): ... to here.
        (cgraph_create_edge): Call initialize_inline_failed rather than
        setting inline_failed directly.

2009-03-29  Ben Elliston  <bje@au.ibm.com>

        PR target/32542
        * sysv4.opt (msdata): Improve comment.
        * linux64.h (ASM_SPEC32): Do not pass -memb when -msdata is given.
        * sysv4.h (SVR4_ASM_SPEC): Likewise.

2009-03-29  Ben Elliston  <bje@au.ibm.com>

        PR target/30451
        * config/rs6000/rs6000.md (*movti_ppc64): Correct the order of
        load and store attributes.

2009-03-29  Ben Elliston  <bje@au.ibm.com>

        * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_HUGE_VALQ.
        (ix86_init_builtins): Add built-in function __builtin_huge_valq.
        (ix86_expand_builtin): Handle IX86_BUILTIN_HUGE_VALQ.
        * doc/extend.texi (X86 Built-in Functions): Add index entries for
        __builtin_infq and __builtin_huge_valq.

2009-03-28  Anatoly Sokolov  <aesok@post.ru>

        * config/avr/avr.c (avr_mcu_t): Add atmega8c1, atmega16c1 and
        atmega8m1 devices.
        * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
        * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.)

2009-03-28  Xinliang David Li  <davidxl@google.com>

        * tree-ssa-ccp.c (ccp_finalize): Add dbg_count support.
        (do_dbg_cnt): New function.

2009-03-28  Jan Hubicka  <jh@suse.cz>

        Merge from pretty-ipa:

        2009-03-27  Jan Hubicka  <jh@suse.cz>

        * cgraph.c (dump_cgraph_node): Add replace output flag by process.
        * tree-pass.h (function_called_by_processed_nodes_p): Declare.
        * passes.c (function_called_by_processed_nodes_p): New.
        * ipa-pure-const.c (check_call): Fix handling of operands.
        (analyze_function): Dump debug output for skipped bodies.
        (local_pure_const): Use function_called_by_processed_nodes_p.
        * dwarf2out.c (reference_to_unused): Use output.
        * passes.c (do_per_function_toporder): Likewise.

        2008-11-12  Jan Hubicka  <jh@suse.cz>

        * tree-pass.h (pass_fixup_cfg, pass_local_pure_const): Declare.
        * ipa-pure-const.c (funct_state_d): Add can throw field; make
        state_set_in_source enum
        (check_decl): Ignore memory tags; do not set fake looping flags;
        dump diagnostics.
        (check_operand, check_tree, check_rhs_var, check_lhs_var,
        get_asm_expr_operands, scan_function_op, scan_function_stmt): Remove.
        (check_call, analyze_function): Rewrite.
        (check_stmt): New.
        (add_new_function): Update call of analyze_function.
        (generate_summary): Add call of analyze_function.
        (propagate): Propagate can_throw; handle state_set_in_source correctly.
        (local_pure_const): New function.
        (pass_local_pure_const): New pass.
        * ipa-inline.c (inline_transform): Set after_inlining.
        * tree-eh.c (stmt_can_throw_external): New.
        * tree-optimize.c (execute_fixup_cfg): Do not set after_inlining;
        work with aliasing built.
        * tree-flow.h (stmt_can_throw_external): New.
        * passes.c (init_optimization_passes): Schedule fixup_cfg pass early;
        and local pure/const pass in early and late optimization queue.

2009-03-28  Martin Jambor  <mjambor@suse.cz>

        * fold-const.c (get_pointer_modulus_and_residue): New parameter
        allow_func_align.
        (fold_binary): Allow function decl aligment consideration is the
        second argument is integer constant one.
        * tree-ssa-forwprop.c (simplify_bitwise_and): New function.
        (tree_ssa_forward_propagate_single_use_vars): Handle assing statements
        with BIT_AND_EXPR on the RHS by calling simplify_bitwise_and.

2009-03-28  Jan Hubicka  <jh@suse.cz>

        * dwarf2out.c (dwarf2out_begin_prologue): Use crtl->nothrow
        * tree-eh.c (stmt_could_throw_p): Remove check for WEAK decls.
        * function.h (rtl_data): Add nothrow flag.
        * except.c (set_nothrow_function_flags): Use crtl->nothrow;
        set DECL_NOTHROW for AVAILABLE functions.

2009-03-28  Jakub Jelinek  <jakub@redhat.com>

        * config/rs6000/rs6000-c.c (rs6000_macro_to_expand): If macro
        following vector keyword has expansion starting with pixel or bool
        keyword, expand vector to __vector and pixel or bool to __pixel or
        __bool.

        PR c++/39554
        * opts.c (warning_disallowed_functions, warn_disallowed_functions,
        warn_if_disallowed_function_p): Removed.
        (common_handle_option): Don't handle OPT_Wdisallowed_function_list_.
        * c-parser.c (c_parser_postfix_expression_after_primary): Don't call
        warning_if_disallowed_function_p.
        * flags.h (warn_if_disallowed_function_p,
        warn_disallowed_functions): Removed.
        * common.opt (Wdisallowed-function-list=): Removed.
        * doc/invoke.texi (-Wdisallowed-function-list=): Removed.

2009-03-28  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/38723
        * tree-ssa-pre.c (compute_avail): Add all default definitions to
        the entry block.

2009-03-28  Jan Hubicka  <jh@suse.cz>

        * tree-ssa-structalias.c (ipa_pta_execute): Fix bogus node->analyzed
        test introduced by my previous patch.

2009-03-28  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-copy.c (copy_prop_visit_phi_node): Do not leave
        the PHIs value undefined.

2009-03-28  Jan Hubicka  <jh@suse.cz>

        * tree-pass.h (pass_fixup_cfg): New pass.
        * ipa-inline.c (inline_transform): Set
        always_inline_functions_inlined/after_inlining.
        * tree-optimize.c (execute_fixup_cfg): Do not set them here.
        (pass_fixup_cfg): New pass.
        * passes.c (init_optimization_passes): Add fixup_cfg.

2009-03-28  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/38458
        * tree-ssa-copy.c (copy_prop_visit_phi_node): For the first
        argument use the arguments copy-of value.

2009-03-28  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/38180
        * tree-ssa-ccp.c (get_default_value): Simplify.
        (likely_value): Likewise.
        (surely_varying_stmt_p): Properly handle VOP case.
        (ccp_initialize): Likewise.
        (ccp_fold): Handle propagating through *&.
        (fold_const_aggregate_ref): Also handle decls.

2009-03-28  Jan Hubicka  <jh@suse.cz>

        * cgraph.c (dump_cgraph_node): Add replace output flag by process.
        * cgraph.h (cgraph_node): Likewise.
        * cgraphunit.c (cgraph_process_new_functions): Set process flag.
        (cgraph_reset_node): Use process flag.
        (cgraph_mark_functions_to_output): Likewise.
        (cgraph_expand_function): Likewise.
        (cgraph_expand_all_functions): Likewise.
        (cgraph_output_in_order): Likewise.
        * dwarf2out.c (reference_to_unused): Likewise.
        * passes.c do_per_function_toporder): Likewise.

2009-03-28  Jan Hubicka  <jh@suse.cz>

        Bring from lto-branch:

        2008-09-03  Doug Kwan  <dougkwan@google.com>

        * cgraphbuild.c (initialize_inline_failed): Use cgraph_inline_failed_t
        enums instead of reason strings.
        * cgraph.c (cgraph_create_edge): Same.
        (cgraph_inline_failed_string): New function.
        * cgraph.h (cgraph_inline_failed_t): New enum type.
        (cgraph_inline_failed_string): New prototype.
        (struct cgraph_edge): Change type of INLINED_FAILED from constant
        char pointer to cgraph_inline_failed_t.
        (cgraph_inline_p): Adjust prototype to use cgraph_inline_failed_t.
        (cgraph_default_inline_p): Ditto.
        * cgraphunit.c (cgraph_inline_p): Change type of parameter REASON
        to cgraph_inline_failed_t pointer.
        * cif-code.def: New file.
        * ipa-inline.c (cgraph_mark_inline_edge): Use an enum instead of a
        reason string.
        (cgraph_check_inline_limits): Change type of REASON to pointer to
        cgraph_inline_failed_t.  Replace reason strings with enums.
        (cgraph_default_inline_p): Ditto.
        (cgraph_recursive_inlining_p): Ditto.
        (update_caller_keys): Change type of FAILED_REASON to
        cgraph_inline_failed_t.
        (cgraph_set_inline_failed): Change type of REASON to pointer to
        cgraph_inline_failed_t.  Call cgraph_inline_failed_string to
        convert enums to strings for text output.
        (cgraph_decide_inlining_of_small_function): Change FAILED_REASON
        to be of type cgraph_inline_failed_t.  Replace reason strings with
        enums.  Call cgraph_inline_failed_string to covert enums
        to strings for text output.
        (cgraph_decide_inlining): Replace reason strings with enums.
        (cgraph_decide_inlining_incrementally): Change type of FAILED_REASON
        to cgraph_inline_failed_t type.  Call cgraph_inline_failed_string
        for text output.
        * tree-inline.c (expand_call_inline): Change type of REASON
        to cgraph_inline_failed_t.  Replace reason strings with enums.
        Call cgraph_inline_failed_string for text output.
        * Makefile.in (CGRAPH_H): Add cif-code.def to dependencies.
        (cgraph.o): Ditto.

2009-03-28  Jan Hubicka  <jh@suse.cz>

        * cgraph.c (cgraph_node, cgraph_remove_node, dump_cgraph_node,
        cgraph_clone_node): Remove master clone handling.
        (cgraph_is_master_clone, cgraph_master_clone): Remove.
        * cgraph.h (master_clone): Remove.
        (cgraph_is_master_clone, cgraph_master_clone): Remove.
        * ipa-type-escape.c (type_escape_execute): Remove use of master clone.
        (tree-ssa-structalias.c (ipa_pta_execute): Likewise.

2009-03-28  Jan Hubicka  <jh@suse.cz>

        * cgraph.c (cgraph_function_body_availability): Functions declared
        inline are always safe to assume that it is not going to be replaced.

2009-03-28  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/38513
        * tree-ssa-pre.c (eliminate): Remove redundant stores.
        * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
        EXC_PTR_EXPR and FILTER_EXPR.
        (get_ref_from_reference_ops): Likewise.

2009-03-28  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/38968
        * tree-vect-analyze.c (vect_compute_data_ref_alignment):
        Use FLOOR_MOD_EXPR to compute misalignment.

2009-03-28  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/37795
        * tree.h (combine_comparisons): Declare.
        * fold-const.c (combine_comparisons): Export.
        * tree-ssa-ifcombine.c (ifcombine_ifandif): Optimize two successive
        comparisons.
        (ifcombine_iforif): Use combine_comparisons.

2009-03-28  Jan Hubicka  <jh@suse.cz>

        * tree-eh.c (inlinable_call_p): New function.
        (make_eh_edges): Use it.
        (verify_eh_edges): Use it.
        (stmt_can_throw_external, stmt_can_throw_internal): Use it.
        * except.c (reachable_next_level): Add inlinable_function argument
        (sjlj_find_directly_reachable_regions): Update.
        (add_reachable_handler): Do not set saw_any_handlers.
        (reachable_next_level): Handle MUST_NOT_THROW more curefully.
        (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
        Add new inlinable call parameter.
        (can_throw_internal, can_throw_external): Update.
        * except.h (can_throw_internal_1, can_throw_external_1,
        foreach_reachable_handler): Update declaration.

2009-03-28  Joseph Myers  <joseph@codesourcery.com>

        * config/arm/t-arm-coff, config/h8300/coff.h,
        config/i386/i386-aout.h, config/i386/i386-coff.h,
        config/libgloss.h, config/m68k/coff.h, config/m68k/m68k-aout.h,
        config/pdp11/2bsd.h, config/rs6000/aix41.h,
        config/rs6000/aix41.opt, config/rs6000/t-newas, config/sh/coff.h,
        fix-header.c, fixproto, gen-protos.c, protoize.c, scan-decls.c,
        scan-types.sh, scan.c, scan.h, sort-protos, sys-protos.h,
        sys-types.h: Remove.
        * Makefile.in: Remove protoize and fixproto support and references
        in comments.
        (SYSCALLS.c.X-warn, TARGET_GETGROUPS_T, STMP_FIXPROTO,
        PROTOIZE_INSTALL_NAME, UNPROTOIZE_INSTALL_NAME, FIXPROTO_DEFINES):
        Remove.
        (ALL_HOST_OBJS): Remove $(PROTO_OBJS).
        (MOSTLYCLEANFILES): Remove protoize$(exeext) and
        unprotoize$(exeext).
        (rest.encap): Don't depend on $(STMP_FIXPROTO)
        (.PHONY): Don't depend on proto.
        (libgcc-support): Don't depend on $(STMP_FIXPROTO).
        (proto, PROTO_OBJS, protoize$(exeext), unprotoize$(exeext),
        protoize.o, unprotoize.o, SYSCALLS.c.X, test-protoize-simple,
        deduced.h, GEN_PROTOS_OBJS, build/gen-protos$(build_exeext),
        build/gen-protos.o, build/scan.o, xsys-protos.h,
        build/fix-header$(build_exeext), build/fix-header.o,
        build/scan-decls.o, fixhdr.ready, stmp-fixproto,
        stmp-install-fixproto): Remove.
        (mostlyclean): Don't remove xsys-protos.hT, SYSCALLS.c.X,
        SYSCALLS.c or fixproto files.
        (install-common): Don't install protoize.
        (install-headers-tar, install-headers-cpio, install-headers-cp):
        Don't depend on $(STMP_FIXPROTO).
        (install-mkheaders): Don't depend on $(STMP_FIXPROTO).  Don't
        install fixproto files or write out fixproto settings.
        (uninstall): Don't uninstall protoize.
        * config.gcc (use_fixproto): Remove.
        (arm-*-coff*, armel-*-coff*, h8300-*-*, i[34567]86-*-aout*,
        i[34567]86-*-coff*, m68k-*-aout*, m68k-*-coff*, pdp11-*-bsd,
        rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*, sh-*-*): Remove.
        * config/m32r/t-linux (STMP_FIXPROTO): Remove.
        * config/m68k/m68k.c: Remove M68K_TARGET_COFF-conditional code.
        * config/mips/t-iris (FIXPROTO_DEFINES): Remove.
        * config/pa/t-pa-hpux (FIXPROTO_DEFINES): Remove.
        * config/pdp11/pdp11.c: Remove TWO_BSD-conditional code.
        * config/t-svr4 (FIXPROTO_DEFINES): Remove.
        * config/t-vxworks (STMP_FIXPROTO): Remove.
        * configure.ac (AC_TYPE_GETGROUPS, TARGET_GETGROUPS_T,
        STMP_FIXPROTO): Remove.
        * config.in, configure: Regenerate.
        * crtstuff.c (gid_t, uid_t): Don't undefine.
        * doc/install.texi: Change m68k-coff to m68k-elf in example.
        (arm-*-coff, arm-*-aout: Remove target entries.
        (*-ibm-aix*): Mention removal of support for AIX 4.2 and older.
        Remove mention of AIX 4.1.
        (m68k-*-*): Remove mention of m68k-*-aout and m68k-*-coff*.
        * doc/invoke.texi (Running Protoize): Remove.
        * doc/trouble.texi (Actual Bugs): Remove mention of fixproto.
        (Protoize Caveats): Remove.
        * tsystem.h: Update comments on headers assumed to exist.

2009-03-27  Vladimir Makarov  <vmakarov@redhat.com>

        * genautomata.c: Add a new year to the copyright.  Add a new
        reference.
        (struct insn_reserv_decl): Add comments for member bypass_list.
        (find_bypass): Remove.
        (insert_bypass): New.
        (process_decls): Use insert_bypass.
        (output_internal_insn_latency_func): Output all bypasses with the
        same input insn in one switch case.

        * rtl.def (define_bypass): Describe bypass choice.
        * doc/md.texi (define_bypass): Ditto.

2009-03-27  Richard Guenther  <rguenther@suse.de>

        * gimplify.c (mark_addressable): Export.
        * tree-flow.h (mark_addressable): Declare.
        * tree-ssa-loop-manip.c (create_iv): Mark the base addressable.
        * tree-ssa.c (verify_phi_args): Verify that address taken
        variables have TREE_ADDRESSABLE set.

2009-03-27  Richard Guenther  <rguenther@suse.de>

        * fold-const.c (build_fold_addr_expr_with_type_1): Rename back to ...
        (build_fold_addr_expr_with_type): ... this.  Remove in_fold handling.
        Do not mark decls TREE_ADDRESSABLE.
        (build_fold_addr_expr): Adjust.
        (fold_addr_expr): Remove.
        (fold_unary): Use build_fold_addr_expr.
        (fold_comparison): Likewise.
        (split_address_to_core_and_offset): Likewise.
        * coverage.c (tree_coverage_counter_addr): Mark the array decl
        TREE_ADDRESSABLE.
        * gimplify.c (mark_addressable): Do not exclude RESULT_DECLs.
        (gimplify_modify_expr_to_memcpy): Mark source and destination
        addressable.
        * omp-low.c (create_omp_child_function): Mark the object decl
        TREE_ADDRESSABLE.
        (lower_rec_input_clauses): Mark the var we take the address of
        TREE_ADDRESSABLE.
        (lower_omp_taskreg): Mark the sender decl TREE_ADDRESSABLE.

2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>

        PR middle-end/39315
        * cfgexpand.c (expand_one_stack_var_at): Change alignment
        limit to MAX_SUPPORTED_STACK_ALIGNMENT.

2009-03-27  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/39120
        * tree-ssa-structalias.c (handle_rhs_call): Fill out return
        constraints.
        (handle_lhs_call): Process return constraints.  Add escape
        constraints if necessary.
        (handle_const_call): Fill out return constraints.  Make nested
        case more precise.  Avoid consttmp if possible.
        (handle_pure_call): Fill out return constraints.  Avoid
        callused if possible.
        (find_func_aliases): Simplify call handling.

2009-03-27  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/39120
        * tree-ssa-structalias.c (do_sd_constraint): Do not use CALLUSED
        as a representative.
        (solve_graph): Do propagate CALLUSED.
        (handle_pure_call): Use a scalar constraint from CALLUSED for
        the return value.
        (find_what_p_points_to): CALLUSED shall not appear in poins-to
        solutions.

2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>

        PR c/39323
        * c-common.c (handle_aligned_attribute): Properly check alignment
        overflow.  Use (1U << i) instead of (1 << i).

        * emit-rtl.c (get_mem_align_offset): Use "unsigned int" for align.

        * expr.h (get_mem_align_offset): Updated.

        * tree.h (tree_decl_common): Change align to "unsigned int" and
        move it before pointer_alias_set.

2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
            Jakub Jelinek  <jakub@redhat.com>

        PR target/38034
        * config/ia64/sync.md (cmpxchg_rel_<mode>): Replace input
        gr_register_operand with gr_reg_or_0_operand.
        (cmpxchg_rel_di): Likewise.
        (sync_lock_test_and_set<mode>): Likewise.

2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>

        * jump.c (rtx_renumbered_equal_p): Use subreg_get_info.
        (true_regnum): Likewise.

        * rtlanal.c (subreg_info): Moved to ...
        * rtl.h (subreg_info): Here.  New.
        (subreg_get_info): New.

        * rtlanal.c (subreg_get_info): Make it extern.

2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/39472
        * config/i386/i386.c (ix86_abi): New.
        (override_options): Handle -mabi=.
        (ix86_function_arg_regno_p): Replace DEFAULT_ABI with ix86_abi.
        (ix86_call_abi_override): Likewise.
        (init_cumulative_args): Likewise.
        (function_arg_advance): Likewise.
        (function_arg_64): Likewise.
        (function_arg): Likewise.
        (ix86_pass_by_reference): Likewise.
        (ix86_function_value_regno_p): Likewise.
        (ix86_build_builtin_va_list_abi): Likewise.
        (setup_incoming_varargs_64): Likewise.
        (is_va_list_char_pointer): Likewise.
        (ix86_init_machine_status): Likewise.
        (ix86_reg_parm_stack_space): Use enum calling_abi on call_abi.
        (ix86_function_type_abi): Return enum calling_abi.  Rewrite
        for 64bit.  Replace DEFAULT_ABI with ix86_abi.
        (ix86_function_abi): Make it static and return enum calling_abi.
        (ix86_cfun_abi): Return enum calling_abi.  Replace DEFAULT_ABI
        with ix86_abi.
        (ix86_fn_abi_va_list): Updated.

        * config/i386/i386.h (ix86_abi): New.
        (STACK_BOUNDARY): Replace DEFAULT_ABI with ix86_abi.
        (CONDITIONAL_REGISTER_USAGE): Likewise.
        (CUMULATIVE_ARGS): Change call_abi type to enum calling_abi.
        (machine_function): Likewise.

        * config/i386/i386.md (untyped_call): Replace DEFAULT_ABI
        with ix86_abi.
        * config/i386/cygming.h (TARGET_64BIT_MS_ABI): Likewise.
        (STACK_BOUNDARY): Likewise.
        * config/i386/mingw32.h (EXTRA_OS_CPP_BUILTINS): Likewise.

        * config/i386/i386.opt (mabi=): New.

        * config/i386/i386-protos.h (ix86_cfun_abi): Changed to
        return enum calling_abi.
        (ix86_function_type_abi): Likewise.
        (ix86_function_abi): Removed.

        * doc/invoke.texi: Document -mabi= option for x86.

2009-03-27  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * builtins.c (real_dconstp): Delete.
        (fold_builtin_logarithm): Remove inaccurate log(e) special case.

2009-03-27  Dodji Seketeli  <dodji@redhat.com>
            Jakub Jelinek  <jakub@redhat.com>

        PR debug/37959
        * dwarf2out.c (dwarf_attr_name): Handle DW_AT_explicit attribute.
        (gen_subprogram_die): When a function is explicit, generate the
        DW_AT_explicit attribute.
        * langhooks.h (struct lang_hooks_for_decls): Add
        function_decl_explicit_p langhook.
        * langhooks-def.h (LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P): Define.
        (LANG_HOOKS_DECLS): Add LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P.

2009-03-27  Jakub Jelinek  <jakub@redhat.com>

        * builtins.c (fold_builtin_memory_op): Optimize memmove
        into memcpy if we can prove source and destination don't overlap.

        * tree-inline.c: Include gt-tree-inline.h.
        (clone_fn_id_num): New variable.
        (clone_function_name): New function.
        (tree_function_versioning): Use it.
        * Makefile.in (GTFILES): Add tree-inline.c.

2009-03-27  Mark Mitchell  <mark@codesourcery.com>

        * BASE-VER: Change to 4.5.0.

2009-03-27  Xinliang David Li  <davidxl@google.com>

        PR tree-optimization/39557
        * tree-ssa.c (warn_uninitialized_vars): free postdom info.

2009-03-27  Xinliang David Li  <davidxl@google.com>

        PR tree-optimization/39548
        * tree-ssa-copy.c (copy_prop_visit_phi_node): Add copy
        candidate check.

2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>

        * c-common.c (pointer_int_sum): Use %wd on return from
        tree_low_cst.

2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>

        * c-common.c (pointer_int_sum): Use HOST_WIDE_INT_PRINT_DEC
        on return from tree_low_cst.

2009-03-27  Andrew Pinski  <andrew_pinski@playstation.sony.com>

        PR c++/36799
        * ginclude/stdarg.h (va_copy): Define also for
        __GXX_EXPERIMENTAL_CXX0X__.

2009-03-27  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>

        PR c++/35652
        * builtins.h (c_strlen): Do not warn here.
        * c-typeck.c (build_binary_op): Adjust calls to pointer_int_sum.
        * c-common.c (pointer_int_sum): Take an explicit location.
        Warn about offsets out of bounds.
        * c-common.h (pointer_int_sum): Adjust declaration.

2009-03-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

        * doc/invoke.texi (i386 and x86-64 Windows Options): Fix texinfo
        markup glitch.

2009-03-26  Jakub Jelinek  <jakub@redhat.com>

        PR c++/39554
        * opts.c (warn_if_disallowed_function_p): Don't assume
        get_callee_fndecl must return non-NULL.

2009-03-26  Vladimir Makarov  <vmakarov@redhat.com>

        PR rtl-optimization/39522
        * reload1.c (reload_as_needed): Invalidate reg_last_reload_reg too
        when reg_reloaded_valid is set.

2009-03-26  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>

        * config/spu/divv2df3.c: New file.
        * config/spu/t-spu-elf (LIB2FUNCS_STATIC_EXTRA): Add it.
        (DPBIT_FUNCS): Filter out _div_df.

2009-03-26  Bernd Schmidt  <bernd.schmidt@analog.com>

        * config/bfin/bfin.c (bfin_optimize_loop): If the LSETUP goes before
        a jump insn, count that jump in the distance to the loop start.

2009-03-25  Kaz Kojima  <kkojima@gcc.gnu.org>

        PR target/39523
        * config/sh/sh.c (calc_live_regs): Fix condition for global
        registers except PIC_OFFSET_TABLE_REGNUM.

2009-03-25  Kai Tietz  <kai.tietz@onevision.com>

        PR/39518
        * doc/invoke.texi (-mconsole): New.
        (-mcygwin): New.
        (-mno-cygwin): New.
        (-mdll): New.
        (-mnop-fun-dllimport): New.
        (-mthread): New.
        (-mwin32): New.
        (-mwindows): New.
        (sub section "i386 and x86-64 Windows Options"): New.

2009-03-25  Ralf Corsépius  <ralf.corsepius@rtems.org>

        * config/arm/rtems-elf.h: Remove LINK_GCC_C_SEQUENCE_SPEC.
        * config/rs6000/t-rtems: Remove MULTILIB_EXTRA_OPTS.

2009-03-25  Richard Guenther  <rguenther@suse.de>

        PR middle-end/39497
        * Makefile.in (dfp.o-warn): Use -fno-strict-aliasing instead
        of -Wno-error.

2009-03-25  Andrey Belevantsev  <abel@ispras.ru>

        * config/ia64/ia64.c (ia64_set_sched_flags): Zero spec_info->mask when
        neither of haifa/selective schedulers are working.

2009-03-25  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

        * doc/invoke.texi (Debugging Options): Fix description of
        -fno-merge-debug-strings.

2009-03-24  Hans-Peter Nilsson  <hp@axis.com>

        * config/cris/libgcc.ver: New version-script.
        * config/cris/t-linux (SHLIB_MAPFILES): Use it.

        * configure.ac <GAS features, nop mnemonic>: Add pattern
        crisv32-*-* for "nop".
        <GAS features, Thread-local storage>: Add item for CRIS and CRIS v32.
        * configure: Regenerate.

2009-03-24  Ira Rosen  <irar@il.ibm.com>

        PR tree-optimization/39529
        * tree-vect-transform.c (vect_create_data_ref_ptr): Call
        mark_sym_for_renaming for the tag copied to the new vector
        pointer.

2009-03-24  Arthur Loiret  <aloiret@debian.org>

        * config.host (alpha*-*-linux*): Use driver-alpha.o and alpha/x-alpha.
        * config/alpha/linux.h (host_detect_local_cpu): Declare, add to
        EXTRA_SPEC_FUNCTIONS.
        (MCPU_MTUNE_NATIVE_SPECS, DRIVER_SELF_SPECS): New macros.
        * config/alpha/driver-alpha.c, config/alpha/x-alpha: New.
        * doc/invoke.texi (DEC Alpha Options): Document 'native' value for
        -march and -mtune options.

2009-03-24  Ralf Corsépius  <ralf.corsepius@rtems.org>

        * config/m68k/t-rtems: Add m5329 multilib.

2009-03-24  Dodji Seketeli  <dodji@redhat.com>
            Jakub Jelinek  <jakub@redhat.com>

        PR debug/39524
        * dwarf2out.c (gen_variable_die): Avoid adding duplicate declaration
        nodes.

2009-03-23  Jakub Jelinek  <jakub@redhat.com>

        PR c/39495
        * c-parser.c (c_parser_omp_for_loop): Call c_parser_binary_expression
        instead of c_parser_expression_conv, if original_code isn't one of the
        4 allowed comparison codes, fail.

2009-03-23  Richard Guenther  <rguenther@suse.de>

        * cgraph.h (struct cgraph_node): Reorder fields for 64-bit hosts.
        * tree.h (struct tree_type): Likewise.
        * reload.h (struct insn_chain): Likewise.
        * dwarf2out.c (struct dw_loc_descr_struct): Likewise.
        * function.h (struct function): Likewise.
        * tree-ssa-structalias.c (struct equiv_class_label): Likewise.

2009-03-23  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/39516
        * lambda-code.c (perfect_nestify): Fix type of the uboundvar variable.

2009-03-23  Bingfeng Mei  <bmei@broadcom.com>

        * config.gcc (need_64bit_hwint): Make clear that need_64bit_hwint
        should be set true if BITS_PER_WORD of target is bigger than 32

2009-03-22  Hans-Peter Nilsson  <hp@axis.com>

        * config/cris/linux.h (CRIS_LINK_SUBTARGET_SPEC):
        Translate -B-options to -rpath-link.  Correct existing
        rpath-link and conditionalize on !nostdlib.

2009-03-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

        * doc/extend.texi (Function Attributes, Variable Attributes):
        Fix typos.
        * doc/invoke.texi (Debugging Options, Optimize Options)
        (i386 and x86-64 Options, MCore Options): Likewise.

2009-03-20  Jakub Jelinek  <jakub@redhat.com>

        PR debug/37890
        * dwarf2out.c (gen_namespace_die): Add context_die argument and use
        it for block local namespace aliases.
        (gen_decl_die): Pass context_die to gen_namespace_die.

2009-03-19  Jakub Jelinek  <jakub@redhat.com>

        PR c/39495
        * c-omp.c (c_finish_omp_for): Allow NE_EXPR with TREE_TYPE (decl)'s
        minimum or maximum value.

2009-03-19  Alexandre Oliva  <aoliva@redhat.com>

        * reginfo.c (globalize_reg): Recompute derived reg sets.

2009-03-19  Ozkan Sezer  <sezeroz@gmail.com>

        PR target/39063
        * libgcc2.c (mprotect): Do not use signed arguments for
        VirtualProtect, use DWORD arguments.  Also fix the 'may
        be used uninitialized' warning for the np variable.

2009-03-19  Jakub Jelinek  <jakub@redhat.com>

        PR target/39496
        * config/i386/i386.c (ix86_function_regparm): Don't optimize local
        functions using regparm calling conventions when not optimizing.
        (ix86_function_sseregparm): Similarly for sseregparm calling
        conventions.

2009-03-19  Li Feng  <nemokingdom@gmail.com>

        PR middle-end/39500
        * tree-data-ref.c (analyze_subscript_affine_affine): There is no
        dependence if the first conflict is after niter iterations.

2009-03-19  Hans-Peter Nilsson  <hp@axis.com>

        PR middle-end/38609
        * config/cris/cris.h (FRAME_POINTER_REQUIRED): Force for all
        functions with dynamic stack-pointer adjustments.

2009-03-19  Ben Elliston  <bje@au.ibm.com>

        * doc/invoke.texi (RS/6000 and PowerPC Options): Fix -msdata-data
        option; change to -msdata=data.

2009-03-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

        * c.opt: Unify help texts for -Wdeprecated, -Wsystem-headers,
        and -fopenmp.

2009-03-18  Eric Botcazou  <ebotcazou@adacore.com>

        PR target/35180
        * config/sparc/sparc.md (do_builtin_setjmp_setup): Prettify asm output.

2009-03-18  Sandra Loosemore  <sandra@codesourcery.com>

        * doc/invoke.texi (Code Gen Options): Expand discussion of
        -fno-common.

2009-03-18  Jakub Jelinek  <jakub@redhat.com>

        * dse.c (struct group_info): Reorder fields for 64-bit hosts.
        * matrix-reorg.c (struct matrix_info): Likewise.
        * tree-ssa-loop-ivopts.c (struct ivopts_data): Likewise.
        * rtl.h (struct mem_attrs): Likewise.
        * df.h (struct df): Likewise.
        * tree-data-ref.h (struct data_dependence_relation): Likewise.
        * ira-int.h (struct ira_allocno): Likewise.
        * df-scan.c (struct df_collection_rec): Likewise.
        * ira.c (struct equivalence): Likewise.
        * function.c (struct temp_slot): Likewise.
        * cfgloop.h (struct loop): Likewise.

        PR debug/39485
        * function.c (use_register_for_decl): When not optimizing, disregard
        register keyword for variables with types containing methods.

2009-03-18  Sebastian Pop  <sebastian.pop@amd.com>

        PR middle-end/39447
        * graphite.c (exclude_component_ref): Renamed contains_component_ref_p.
        (is_simple_operand): Call contains_component_ref_p before calling data
        reference analysis that would fail on COMPONENT_REFs.

        * tree-vrp.c (search_for_addr_array): Fix formatting.

2009-03-18  Richard Guenther  <rguenther@suse.de>

        * tree-vect-transform.c (vect_loop_versioning): Fold the
        generated comparisons.
        * tree-vectorizer.c (set_prologue_iterations): Likewise.
        (slpeel_tree_peel_loop_to_edge): Likewise.

2009-03-17  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

        PR middle-end/37805
        * opts.c (print_specific_help): In addition to `undocumented',
        accept `separate' and `joined' flags if passed alone.  Describe
        output by the first matched one of those.
        (common_handle_option): Skip over empty strings.
        * gcc.c (display_help): Fix help string for `--help='.
        * doc/invoke.texi (Option Summary, Overall Options): With
        `--help=', classes and qualifiers can both be repeated, but
        only the latter can be negated.  One should not pass only
        negated qualifiers.  Fix markup and examples.

        Revert
        2008-10-14  Jakub Jelinek  <jakub@redhat.com>
        PR middle-end/37805
        * opts.c (common_handle_option): Don't ICE on -fhelp=joined
        and -fhelp=separate.

2009-03-17  Jing Yu  <jingyu@google.com>

        PR middle-end/39378
        * function.h (struct rtl_data): Move is_thunk from here...
        (struct function): ...to here.
        * cp/method.c (use_thunk): Change is_thunk from crtl to cfun.
        * varasm.c (assemble_start_function): Change is_thunk from crtl to
        cfun.
        * config/alpha/alpha.c (alpha_sa_mask): Change is_thunk from crtl to
        cfun.
        (alpha_does_function_need_gp, alpha_start_function): Likewise.
        (alpha_output_function_end_prologue): Likewise.
        (alpha_end_function, alpha_output_mi_thunk_osf): Likewise.
        * config/rs6000/rs6000.c (rs6000_ra_ever_killed): Likewise.
        (rs6000_output_function_epilogue): Likewise.
        * config/arm/arm.h (ARM_DECLARE_FUNCTION_NAME): Likewise.

2009-03-17  Uros Bizjak  <ubizjak@gmail.com>

        PR target/39482
        * config/i386/i386.md (*truncdfsf_mixed): Avoid combining registers
        from different units in a single alternative.
        (*truncdfsf_i387): Ditto.
        (*truncxfsf2_mixed): Ditto.
        (*truncxfdf2_mixed): Ditto.

2009-03-17  Jakub Jelinek  <jakub@redhat.com>

        * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Allow
        non-NAMESPACE_DECL IMPORTED_DECL_ASSOCIATED_DECL.

        PR debug/39474
        * tree-ssa-live.c (remove_unused_locals): Don't remove local
        unused non-artificial variables when not optimizing.

        PR debug/39471
        * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Emit
        DW_TAG_imported_module even if decl is IMPORTED_DECL with
        NAMESPACE_DECL in its DECL_INITIAL.

        PR middle-end/39443
        * optabs.c (set_user_assembler_libfunc): New function.
        * expr.h (set_user_assembler_libfunc): New prototype.
        * c-common.c: Include libfuncs.h.
        (set_builtin_user_assembler_name): Call set_user_assembler_libfunc
        for memcmp, memset, memcpy, memmove and abort.
        * Makefile.in (c-common.o): Depend on libfuncs.h.

        PR debug/39412
        * dwarf2out.c (gen_inlined_enumeration_type_die,
        gen_inlined_structure_type_die, gen_inlined_union_type_die,
        gen_tagged_type_instantiation_die): Removed.
        (gen_decl_die): For TYPE_DECL_IS_STUB with non-NULL decl_origin
        do nothing.

2009-03-17  Janis Johnson  <janis187@us.ibm.com>

        PR testsuite/38526
        * Makefile.in (site.exp): Rename TEST_GCC_EXEC_PREFIX and comment
        its use.
        (check-%): Don't set GCC_EXEC_PREFIX when invoking runtest.
        (check-parallel-%): Ditto.
        (check-consistency): Ditto.

2009-03-17  Kai Tietz  <kai.tietz@onevision.com>

        * ipa-struct-reorg.c (create_general_new_stmt): Initialize
        local variable rhs by NULL_TREE.

2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/39477
        * doc/extend.texi: Correct register behavior for regparm on Intel 386.

2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/39476
        * config/i386/i386.c (ix86_function_regparm): Rewrite for 64bit.

2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/39473
        * config/i386/i386.c (ix86_expand_call): Check extra clobbers
        for ms->sysv ABI calls only in 64bit mode.

        * config/i386/i386.md (untyped_call): Support 32bit.

2009-03-16  H.J. Lu  <hongjiu.lu@intel.com>

        * doc/extend.texi: Replace x86_65 with x86_64.

2009-03-16  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/39455
        * tree-ssa-loop-niter.c (number_of_iterations_lt_to_ne): Fix types
        mismatches for POINTER_TYPE_P (type).
        (number_of_iterations_le): Likewise.

2009-03-16  Hariharan Sandanagobalane  <hariharan@picochip.com>

        * config/picochip/picochip.c: Removed profiling support.
        * config/picochip/picochip.md: Removed profiling instruction.
        * config/picochip/picochip.h: Removed profiling builtin.

2009-03-16  Joseph Myers  <joseph@codesourcery.com>

        * doc/install.texi (--with-host-libstdcxx): Document.

2009-03-14  Anatoly Sokolov  <aesok@post.ru>

        PR target/34299
        * config/avr/avr.c (avr_handle_fndecl_attribute): Move code for
        generate a warning if the function name does not begin with
        "__vector" and the function has either the 'signal' or 'interrupt'
        attribute, from here to ...
        (avr_declare_function_name): ...here. New function.
        * config/avr/avr.h (ASM_DECLARE_FUNCTION_NAME): Redefine.
        * config/avr/avr-protos.h (avr_declare_function_name): Declare.

2009-03-14  Jakub Jelinek  <jakub@redhat.com>

        PR bootstrap/39454
        * cse.c (fold_rtx): Don't modify original const_arg1 when
        canonicalizing SHIFT_COUNT_TRUNCATED shift count, do it on a
        separate variable instead.
        * rtlanal.c (nonzero_bits1) <case ASHIFTRT>: Don't assume anything
        from out of range shift counts.
        (num_sign_bit_copies1) <case ASHIFTRT, case ASHIFT>: Similarly.

2009-03-13  Catherine Moore  <clm@codesourcery.com>

        * config/i386/x-mingw32 (host-mingw32.o): Replace
        diagnostic.h with $(DIAGNOSTIC_H).

2009-03-12  Jakub Jelinek  <jakub@redhat.com>

        PR target/39431
        * config/i386/predicates.md (cmpxchg8b_pic_memory_operand): New
        predicate.
        * config/i386/sync.md (sync_compare_and_swap<mode>,
        sync_compare_and_swap_cc<mode>): For DImode with -m32 -fpic check
        if operands[1] is cmpxchg8b_pic_memory_operand, if not force address
        into a register.
        (sync_double_compare_and_swapdi_pic,
        sync_double_compare_and_swap_ccdi_pic): Require operand 1 to be
        cmpxchg8b_pic_memory_operand instead of just memory_operand.

2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/39445
        * config/i386/i386.c (ix86_expand_push): Don't set memory alignment.

2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/39327
        * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
        (avx_addsubv4df3): Likewise.
        (*avx_addsubv4sf3): Likewise.
        (sse3_addsubv4sf3): Likewise.

2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/38824
        * config/i386/i386.md: Compare REGNO on the new peephole2 patterns.

2009-03-12  Vladimir Makarov  <vmakarov@redhat.com>

        PR debug/39432
        * ira-int.h (struct allocno): Fix comment for calls_crossed_num.
        * ira-conflicts.c (ira_build_conflicts): Prohibit call used
        registers for allocnos created from user-defined variables.

2009-03-11  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>

        PR target/39181
        * config/spu/spu.c (spu_expand_mov): Handle invalid subregs
        of non-integer mode as well.

2009-03-11  Adam Nemet  <anemet@caviumnetworks.com>

        * gimplify.c (gimplify_call_expr): Don't set CALL_CANNOT_INLINE_P
        for functions for which the parameter types are unknown.

2009-03-11  Jakub Jelinek  <jakub@redhat.com>

        PR target/39137
        * cfgexpand.c (get_decl_align_unit): Use LOCAL_DECL_ALIGNMENT macro.
        * defaults.h (LOCAL_DECL_ALIGNMENT): Define if not yet defined.
        * config/i386/i386.h (LOCAL_DECL_ALIGNMENT): Define.
        * config/i386/i386.c (ix86_local_alignment): For
        -m32 -mpreferred-stack-boundary=2 use 32-bit alignment for
        long long variables on the stack to avoid dynamic realignment.
        Allow the first argument to be a decl rather than type.
        * doc/tm.texi (LOCAL_DECL_ALIGNMENT): Document.

2009-03-11  Nick Clifton  <nickc@redhat.com>

        PR target/5362
        * config/mcore/mcore.opt: Remove deprecated m4align and m8align
        options.
        Add description to mno-lsim option.
        * config/mcore/mcore.h: Remove comment about deprecated m4align
        option.
        (TARGET_DEFAULT): Remove deprecated MASK_M8ALIGN.
        * doc/invoke.texi: Add description of mno-lsim and
        mstack-increment options.

        * config/fr30/fr30.opt: Document the -mno-lsim option.
        * doc/invoke.texi: Add descriptions of the FR30's -msmall-model
        and -mno-lsim options.

2009-03-11  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>

        * fold-const.c (fold_comparison): Only call fold_inf_compare
        if the mode supports infinities.

2009-03-11  Jason Merrill  <jason@redhat.com>

        PR debug/39086
        * tree-nrv.c (tree_nrv): Don't do this optimization if the front
        end already did.  Notice GIMPLE_CALL modifications of the result.
        Don't copy debug information from an ignored decl or a decl from
        another function.

2009-03-10  Richard Guenther  <rguenther@suse.de>
            Nathan Froyd  <froydnj@codesourcery.com>

        PR middle-end/37850
        * libgcc2.c (__mulMODE3): Use explicit assignments to form the result.
        (__divMODE3): Likewise.

2009-03-09  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/39394
        * gimplify.c (gimplify_type_sizes): Gimplify DECL_SIZE and
        DECL_SIZE_UNIT of variable length FIELD_DECLs.

2009-03-09  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

        * recog.c (verfiy_changes): Disallow renaming of hard regs in
        inline asms for register asm ("") declarations.

2009-03-09  Eric Botcazou  <ebotcazou@adacore.com>

        * fold-const.c (fold_unary): Fix comment.

2009-03-07  Jan Hubicka  <jh@suse.cz>

        PR target/39361
        * tree-inline.c (setup_one_parameter): Do replacement of const
        argument by constant in SSA form.

2009-03-07  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>

        PR middle-end/38028
        * function.c (assign_parm_setup_stack): Use STACK_SLOT_ALIGNMENT to
        determine alignment passed to assign_stack_local.
        (assign_parms_unsplit_complex): Likewise.
        * except.c (sjlj_build_landing_pads): Likewise.

2009-03-06  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/39360
        * tree-flow.h (add_referenced_var): Return bool instead of void.
        * tree-dfa.c (add_referenced_var): Return result of
        referenced_var_check_and_insert call.
        * tree-inline.c (expand_call_inline): Call add_referenced_var instead
        of referenced_var_check_and_insert.

        PR debug/39372
        * dwarf2out.c (add_abstract_origin_attribute): Return origin_die.
        (gen_variable_die): Emit DW_AT_location on abstract static variable's
        DIE, don't emit it if abstract origin already has it.
        * tree-cfg.c (remove_useless_stmts_bind): GIMPLE_BINDs with any
        BLOCK_NONLOCALIZED_VARS in its gimple_bind_block aren't useless.

2009-03-06  Jan-Benedict Glaw  <jbglaw@lug-owl.de>

        * genpreds.c (needs_variable): Fix parentheses at variable name
        detection.
        (write_tm_constrs_h): Indent generated code.

2009-03-06  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>

        * doc/extend.texi (Function Attributes): Add documentation
        for isr attributes.

2009-03-06  Jakub Jelinek  <jakub@redhat.com>

        PR debug/39387
        * dwarf2out.c (dwarf2out_imported_module_or_decl_1): For IMPORTED_DECL
        take locus from its DECL_SOURCE_LOCATION instead of input_location.

2009-03-05  Bernd Schmidt  <bernd.schmidt@analog.com>

        * config/bfin/bfin.c (bfin_discover_loop): When retrying fails, mark
        the loop as bad.

2009-03-05  Jakub Jelinek  <jakub@redhat.com>

        PR debug/39379
        * tree-cfg.c (remove_useless_stmts_bind): Don't remove GIMPLE_BINDs
        with blocks containing IMPORTED_DECLs in BLOCK_VARS.

2009-03-05  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.md (R8_REG, R9_REG): New constants.
        * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Use named
        constants instead of magic numbers.
        (HARD_REGNO_CALLER_SAVE_MODE): Ditto.
        (QI_REG_P): Ditto.
        * config/i386/i386.c (x86_64_int_parameter_registers): Ditto.
        (x86_64_ms_abi_int_parameter_registers): Ditto.
        (x86_64_int_return_registers): Ditto.
        (ix86_maybe_switch_abi): Ditto.
        (ix86_expand_call): Ditto for clobbered_registers array.
        (ix86_hard_regno_mode_ok): Ditto.
        (x86_extended_QIreg_mentioned_p): Ditto.

2009-03-05  J"orn Rennecke  <joern.rennecke@arc.com>

        PR tree-optimization/39349
        * cse.c (cse_insn): Fix loop to stop at VOIDmode.

        * combine.c (gen_lowpart_for_combine): Use omode when generating
        clobber.

2009-03-04  J"orn Rennecke  <joern.rennecke@arc.com>

        PR rtl-optimization/39235
        * loop-iv.c (get_simple_loop_desc): Use XCNEW.

2009-03-04  Zdenek Dvorak  <ook@ucw.cz>

        * graphite.c (nb_reductions_in_loop): Update simple_iv arguments.

2009-03-04  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/39362
        * tree-ssa-sccvn.c (visit_use): Stores and copies from SSA_NAMEs
        that occur in abnormal PHIs should be varying.

2009-03-04  Zdenek Dvorak  <ook@ucw.cz>

        * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop):
        Extend comments.
        (simple_iv):  Take loop as an argument instead of statement.
        * tree-scalar-evolution.h (simple_iv): Declaration changed.
        * tree-ssa-loop-niter.c (number_of_iterations_exit): Update calls
        to simple_iv.
        * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev):
        Ditto.
        * tree-parloops.c (loop_parallel_p, canonicalize_loop_ivs): Ditto.
        * matrix-reorg.c (analyze_transpose): Ditto.
        * tree-data-ref.c (dr_analyze_innermost): Ditto.
        * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
        * tree-predcom.c (ref_at_iteration): Ditto.
        * tree-ssa-loop-prefetch.c (idx_analyze_ref): Ditto.

2009-03-04  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/39358
        * tree-ssa-structalias.c (do_sd_constraint): Fix check for
        escaped_id and callused_id.
        (solve_graph): Likewise.

2009-03-04  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/39339
        * tree-sra.c (try_instantiate_multiple_fields): Make it
        no longer ICE on the above.

2009-03-03  Joseph Myers  <joseph@codesourcery.com>

        * emit-rtl.c (adjust_address_1): Reduce offset to a signed value
        that fits within Pmode.

2009-03-03  Steve Ellcey  <sje@cup.hp.com>

        PR middle-end/10109
        * tm.texi (LIBCALL_VALUE): Update description.

2009-03-03  Steve Ellcey  <sje@cup.hp.com>

        PR middle-end/34443
        * doc/extend.texi (section): Update description.

2009-03-03  H.J. Lu  <hongjiu.lu@intel.com>

        PR middle-end/39345
        * tree-inline.c (remapped_type): New.
        (can_be_nonlocal): Call remapped_type instead of remap_type.

2009-03-03  Jakub Jelinek  <jakub@redhat.com>

        PR fortran/39354
        * gimplify.c (goa_stabilize_expr): Handle tcc_comparison,
        TRUTH_ANDIF_EXPR and TRUTH_ORIF_EXPR.

2009-03-03  Richard Guenther  <rguenther@suse.de>

        PR middle-end/39272
        * tree.c (tree_nonartificial_location): New function.
        * tree.h (tree_nonartificial_location): Declare.
        * builtins.c (expand_builtin_memory_chk): Provide location
        of the call location for artificial function pieces.
        (maybe_emit_chk_warning): Likewise.
        (maybe_emit_sprintf_chk_warning): Likewise.
        (maybe_emit_free_warning): Likewise.
        * expr.c (expand_expr_real_1): Likewise.

2009-03-03  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/39343
        * tree-ssa-ccp.c (maybe_fold_offset_to_address): Don't check if
        COMPONENT_REF t has ARRAY_TYPE.

2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>

        PR middle-end/39335
        * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
        when the type precision of the induction variable should be
        larger than the type precision of nit.
        (gen_parallel_loop): Update use of canonicalize_loop_ivs.
        * graphite.c (graphite_loop_normal_form): Same.
        * tree-flow.h (canonicalize_loop_ivs): Update declaration.

2009-03-02  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.md (ST?_REG, MM?_REG): New constants.
        (*call_1_rex64_ms_sysv): Use named constants instead of magic
        numbers to describe clobbered registers.
        (*call_value_0_rex64_ms_sysv): Ditto.
        * config/i386/mmx.md (mmx_emms): Ditto.
        (mmx_femms): Ditto.

2009-03-02  Richard Sandiford  <rdsandiford@googlemail.com>

        * config/mips/mips.c (mips_mdebug_abi_name): Fix the handling
        of ABI_64.

2009-03-02  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>

        * config/spu/spu.c (TARGET_SECTION_TYPE_FLAGS): Define.
        (spu_section_type_flags): New function.

2009-03-02  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not copy
        reg_class_contents of FLOAT_REGS into a temporary.

2009-03-02  Richard Guenther  <rguenther@suse.de>
            Ira Rosen  <irar@il.ibm.com>

        PR tree-optimization/39318
        * tree-vect-transform.c (vectorizable_call): Transfer the EH region
        information to the vectorized statement.

2009-03-01  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not shadow "i"
        variable.  Use defined names instead of magic constants for REX SSE
        registers.

2009-03-01  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/39331
        * omp-low.c (lower_send_shared_vars): Do not receive new
        values for the reference of DECL_BY_REFERENCE parms or results.

2009-03-01  Jan Hubicka  <jh@suse.cz>

        PR debug/39267
        * tree.h (BLOCK_NONLOCALIZED_VARS, BLOCK_NUM_NONLOCALIZED_VARS,
        BLOCK_NONLOCALIZED_VAR): New macros.
        (tree_block): Add nonlocalized_vars.
        * dwarf2out.c (gen_formal_parameter_die, gen_variable_die,
        gen_decl_die): Add origin argument.  Allow generation of die with
        origin at hand only.
        (gen_member_die, gen_type_die_with_usage, force_decl_die,
        declare_in_namespace, gen_namescpace_die, dwarf2out_decl): Update use
        of gen_*.
        (gen_block_die): Fix checking for unused blocks.
        (process_scope_var): Break out from .... ; work with origins only.
        (decls_for_scope) ... here; process nonlocalized list.
        (dwarf2out_ignore_block): Look for nonlocalized vars.
        * tree-ssa-live.c (remove_unused_scope_block_p): Look for nonlocalized
        vars.
        (dump_scope_block): Dump them.
        * tree-inline.c (remap_decls): Handle nonlocalized vars.
        (remap_block): Likewise.
        (can_be_nonlocal): New predicate.
        (copy_bind_expr, copy_gimple_bind): Update use of remap_block.

2009-03-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

        * configure: Regenerate.

2009-03-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

        * optc-gen.awk: No need to duplicate option flags twice.
        Reuse help texts for duplicate options which do not have any.

        * gcc.c (display_help): Document --version.

        * gcc.c (main): If print_help_list and verbose_flag, ensure
        driver output comes before subprocess output.

        * optc-gen.awk: Assign all remaining fields to help string,
        space-separated, for multi-line help in *.opt.

        * doc/invoke.texi (Warning Options): -Wsync-nand is C/C++ only.
        -Wno-pedantic-ms-format is for MinGW targets only.

        * doc/options.texi (Option file format): Fix bad indentation,
        restoring dropped sentence.

2009-02-28  Jan Hubicka  <jh@suse.cz>

        * tree-inline.c (tree_function_versioning): Output debug info.

2009-02-28  Jan Hubicka  <jh@suse.cz>

        PR debug/39267
        * tree-inline.c (setup_one_parameter): Do not copy propagate
        arguments when not optimizing.

2009-02-28  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/39327
        * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
        (avx_addsubv4df3): Likewise.
        (*avx_addsubv4sf3): Likewise.
        (sse3_addsubv4sf3): Likewise.
        (*avx_addsubv2df3): Likewise.
        (sse3_addsubv2df3): Likewise.
        (avx_unpckhps256): Correct item selectors.
        (avx_unpcklps256): Likewise.
        (avx_unpckhpd256): Likewise.
        (avx_unpcklpd256): Likewise.

2009-02-28  Jan Hubicka  <jh@suse.cz>

        * tree-inline.c (expand_call_inline): Avoid duplicate declarations of
        static vars.
        (copy_arguments_for_versioning): If var is declared don't declare it.
        (tree_function_versioning): First setup substitutions and then copy
        args.

2009-02-27  Jan Hubicka  <jh@suse.cz>

        PR debug/39267
        * cgraph.h (varpool_output_debug_info): Remove.
        * cgraphunit.c (varpool_output_debug_info): Remove.
        * dwarf2out.c (deferred_locations_struct): New struct
        (deferred_locations): New type.
        (deferred_locations_list): New static var.
        (deffer_location): New function.
        (gen_variable_die): Use it.
        (decls_for_scope): Output info on local static vars.
        (dwarf2out_finish): Process deferred locations.
        * varpool.c (varpool_output_debug_info): Remove.

2009-02-27  Jan Hubicka  <jh@suse.cz>

        PR debug/39267
        * tree.h (TREE_PROTECTED): Fix comment.
        (BLOCK_HANDLER_BLOCK): Remove.
        (struct tree_block): Remove handler_block add body_block.
        (inlined_function_outer_scope_p): New.
        (is_body_block): Remove.
        * dbxout.c (dbxout_block): Remove BLOCK_HANDLER_BLOCK.
        * dwarf2out.c (is_inlined_entry_point): Remove.
        (add_high_low_attributes): Use inlined_function_outer_scope_p.
        (gen_block_die): Use is_inlined_entry_point check.  Remove body block
        code.
        * langhooks.h (struct lang_hooks): Remove no_bodu_blocks.
        * gimplify.c (gimplify_expr): Gimplify body blocks.
        * tree-ssa-live.c (remove_unused_scope_block_p): Allow removing wrapper
        block with multiple subblocks.
        (dump_scope_block): Prettier output; dump more flags and info.
        (dump_scope_blocks): New.
        (remove_unused_locals): Use dump_scope_blocks.
        * tree-flow.h (dump_scope_blocks): Declare.
        * tree-cfg.c (execute_build_cfg): Dump scope blocks.
        * stmt.c (is_body_block): Remove.
        * tree-inline.c (remap_block): Copy BODY_BLOCK info.
        * langhooks-def.h (LANG_HOOKS_NO_BODY_BLOCKS): Remove.

2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>

        PR middle-end/39308
        * graphite.c (graphite_loop_normal_form): Do not call
        number_of_iterations_exit from a gcc_assert.

2009-02-27  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

        * config/s390/s390.c (s390_swap_cmp): Look for conditional
        jumps if COND is NULL.
        (find_cond_jump): New function.
        (s390_z10_optimize_cmp): Handling for reg-reg compares added.
        * config/s390/s390.md: Remove z10_cobra attribute value.

2009-02-26  Uros Bizjak  <ubizjak@gmail.com>

        * config/alpha/alpha.h (alpha_expand_mov): Return false if
        force_const_mem returns NULL_RTX.

2009-02-26  Jan Hubicka  <jh@suse.cz>

        PR debug/39267
        * cgraph.h (varpool_output_debug_info): Remove.
        * cgraphunit.c (varpool_output_debug_info): Remove.
        * dwarf2out.c (deferred_locations_struct): New struct
        (deferred_locations): New type.
        (deferred_locations_list): New static var.
        (deffer_location): New function.
        (gen_variable_die): Use it.
        (decls_for_scope): Output info on local static vars.
        (dwarf2out_finish): Process deferred locations.
        * varpool.c (varpool_output_debug_info): Remove.

2009-02-25  H.J. Lu  <hongjiu.lu@intel.com>

        PR rtl-optimization/39241
        * jump.c (rtx_renumbered_equal_p): Remove 2 superfluous calls
        to subreg_offset_representable_p.

2009-02-25  Paolo Bonzini  <bonzini@gnu.org>

        * regmove.c (regmove_optimize): Conform to struct rtl_opt_pass
        execute function prototype.  Get f and nregs from max_reg_num
        and get_insns.  Remove the first backward pass as it's dead,
        guard the forward pass by flag_expensive_optimizations.
        (rest_of_handle_regmove): Delete.
        (pass_regmove): Replace it with regmove_optimize.

2009-02-25  Martin Jambor  <mjambor@suse.cz>

        PR tree-optimization/39259
        * tree-inline.c (initialize_cfun): Remove asserts for calls_setjmp and
        calls_alloca function flags.
        (copy_bb): Set calls_setjmp and alls_alloca function flags if such
        calls are detected.

2009-02-25  Paolo Bonzini  <bonzini@gnu.org>

        * regmove.c (discover_flags_reg, flags_set_1, mark_flags_life_zones,
        flags_set_1_rtx, flags_set_1_set): Delete.
        (regmove_optimize): Do not call mark_flags_life_zones.

2009-02-24  Julian Brown  <julian@codesourcery.com>

        PR target/35965
        * config/arm/arm.c (require_pic_register): Only set
        cfun->machine->pic_reg once per function.

2009-02-24  Sandra Loosemore  <sandra@codesourcery.com>

        * doc/invoke.texi (Link Options): Document an easier way to pass
        options that take arguments to the GNU linker using -Xlinker and -Wl.

2009-02-24  Steve Ellcey  <sje@cup.hp.com>

        PR target/33785
        * doc/tm.texi (TARGET_C99_FUNCTIONS): Fix description.

2009-02-24  Richard Guenther  <rguenther@suse.de>

        PR debug/39285
        * dwarf2out.c (gen_enumeration_type_die): Handle CONST_DECLs.

2009-02-24  Richard Guenther  <rguenther@suse.de>
            Zdenek Dvorak  <ook@ucw.cz>

        PR tree-optimization/39233
        * tree-ssa-loop-ivopts.c (add_candidate_1): Do not except pointers
        from converting them to a generic type.

2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>

        PR tree-optimization/39260
        * graphite.c (harmful_stmt_in_bb): Stop a SCoP when the basic block
        contains a condition with a real type.
        (build_scop_conditions_1): Conditions are always last_stmt of a bb.

2009-02-23  Jason Merrill  <jason@redhat.com>

        PR c++/38880
        * varasm.c (initializer_constant_valid_p) [PLUS_EXPR]: Check
        narrowing_initializer_constant_valid_p.
        (narrowing_initializer_constant_valid_p): Don't return
        null_pointer_node for adding a pointer to itself.

2009-02-23  Jan Hubicka  <jh@suse.cz>

        PR c/12245
        * ggc.h (htab_create_ggc): Use ggc_free to free hashtable when
        resizing.

2009-02-23  Jan Hubicka  <jh@suse.cz>

        PR tree-optimization/37709
        * tree.c (block_ultimate_origin): Move here from dwarf2out.
        * tree.h (block_ultimate_origin): Declare.
        * dwarf2out.c (block_ultimate_origin): Move to tree.c
        * tree-ssa-live.c (remove_unused_scope_block_p):
        Eliminate blocks containig no instructions nor live variables nor
        nested blocks.
        (dump_scope_block): New function.
        (remove_unused_locals): Enable removal of dead blocks by default;
        enable dumping at TDF_DETAILS.

2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/i386.c (classify_argument): Don't allow COImode
        and OImode.
        (function_arg_advance_32): Don't allow OImode.
        (function_arg_32): Likewise.
        (function_value_32): Likewise.
        (return_in_memory_32): Likewise.
        (function_arg_64): Remove OImode comment.

2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/39261
        * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
        ix86_expand_vector_set for V4DImode in 64bit mode only.
        (ix86_expand_vector_init_one_var): Likewise.

2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite.c (graphite_trans_loop_block): Adjust tile size to 51.

2009-02-21  Richard Sandiford  <rdsandiford@googlemail.com>

        PR bootstrap/39257
        * loop-iv.c: Revert last change.
        * emit-rtl.c: Likewise.

2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/39256
        * config/i386/i386.c (type_natural_mode): Remove an extra
        space in the warning message.
        (function_value_32): Handle 32-byte vector modes.
        (return_in_memory_32): Likewise.

2009-02-21  Richard Sandiford  <rdsandiford@googlemail.com>

        * loop-iv.c (truncate_value): New function.
        (iv_subreg, get_iv_value, iv_number_of_iterations): Use it instead
        of lowpart_subreg.
        (lowpart_subreg): Move to...
        * emit-rtl.c: ...here.

2009-02-21  Danny Smith  <dannysmith@users.sourceforge.net>

        * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Revert
        accidental and undocumented change at revision 140860.

2009-02-21  Joseph Myers  <joseph@codesourcery.com>

        * config/arm/arm.c (arm_gimplify_va_arg_expr): Update prototype to
        take gimple_seq * arguments.
        (arm_mangle_type): Use CONST_CAST_TREE on type argument passed to
        types_compatible_p langhook.

2009-02-20  Mark Mitchell  <mark@codesourcery.com>
            Joseph Myers  <joseph@codesourcery.com>

        * config/arm/arm.c (arm_builtin_va_list): New function.
        (arm_expand_builtin_va_start): Likewise.
        (arm_gimplify_va_arg_expr): Likewise.
        (TARGET_BUILD_BUILTIN_VA_LIST): Define.
        (TARGET_BUILD_BUILTIN_VA_START): Likewise.
        (TARGET_BUILD_BUILTIN_VA_ARG_EXPR): Likewise.
        (va_list_type): New variable.
        (arm_mangle_type): Mangle va_list_type appropriately.

2009-02-20  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/39157
        * Makefile.in (loop-invariant.o): Depend on $(PARAMS_H).
        * params.h (LOOP_INVARIANT_MAX_BBS_IN_LOOP): Define.
        * params.def (loop-invariant-max-bbs-in-loop): New parameter.
        * opts.c (decode_options): Set loop-invariant-max-bbs-in-loop
        parameter to 1000 for -O1 by default.
        * doc/invoke.texi (loop-invariant-max-bbs-in-loop): Document new
        parameter.
        * loop-invariant.c: Include params.h.
        (move_loop_invariants): Don't call move_single_loop_invariants on
        very large loops.

2009-02-20  Jaka Mocnik  <jaka@xlab.si>

        * calls.c (emit_library_call_value_1): Use slot_offset instead of
        offset when calculating bounds for indexing stack_usage_map.  Fixes
        a buffer overflow with certain target setups.

2009-02-20  Jakub Jelinek  <jakub@redhat.com>

        PR target/39240
        * calls.c (expand_call): Clear try_tail_call if caller and callee
        disagree in promotion of function return value.

2009-02-19  Jakub Jelinek  <jakub@redhat.com>

        PR target/39175
        * c-common.c (c_determine_visibility): If visibility changed and
        DECL_RTL has been already set, call make_decl_rtl to update symbol
        flags.

2009-02-19  H.J. Lu  <hongjiu.lu@intel.com>

        PR c++/39188
        * varasm.c (assemble_variable): Don't check DECL_NAME when
        globalizing a variable.

2009-02-19  Joseph Myers  <joseph@codesourcery.com>

        PR c/38483
        * builtins.c (gimplify_va_arg_expr): Evaluate the va_list
        expression before any __builtin_trap call.
        * c-typeck.c (build_function_call): Convert and check function
        arguments before generating a call to a trap.  Evaluate the
        function arguments before the trap.

2009-02-19  Uros Bizjak  <ubizjak@gmail.com>

        PR target/39228
        * config/i386/i386.md (isinfxf2): Split from isinf<mode>2.
        (UNSPEC_FXAM_MEM): New unspec.
        (fxam<mode>2_i387_with_temp): New insn and split pattern.
        (isinf<mode>2): Use MODEF mode iterator.  Force operand[1] through
        memory using fxam<mode>2_i387_with_temp to remove excess precision.

2009-02-19  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/39207
        PR tree-optimization/39074
        * tree-ssa-structalias.c (storedanything_id, var_storedanything,
        storedanything_tree): New.
        (do_ds_constraint): Simplify ANYTHING shortcutting.  Update
        the STOREDANYTHING solution if the lhs solution contains ANYTHING.
        (build_succ_graph): Add edges from STOREDANYTHING to all
        non-direct nodes.
        (init_base_vars): Initialize STOREDANYTHING.
        (compute_points_to_sets): Free substitution info after
        building the succ graph.
        (ipa_pta_execute): Likewise.

        * tree-ssa-structalias.c (struct variable_info): Add may_have_pointers
        field.
        (do_ds_constraint): Do not add to special var or non-pointer
        field solutions.
        (type_could_have_pointers): Split out from ...
        (could_have_pointers): ... here.  For arrays use the element type.
        (create_variable_info_for): Initialize may_have_pointers.
        (new_var_info): Likewise.
        (handle_lhs_call): Make the HEAP variable unknown-sized.
        (intra_create_variable_infos): Use a type with pointers for
        PARM_NOALIAS, make it unknown-sized.

2009-02-18  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/39224
        * config/i386/i386.c (ix86_return_in_memory): Properly check ABI.

2009-02-18  Jason Merrill  <jason@redhat.com>

        PR target/39179
        * tree-ssa-ccp.c (get_symbol_constant_value): Don't assume zero
        value if DECL_EXTERNAL.
        * tree-sra.c (sra_walk_gimple_assign): Likewise.
        * target.h (gcc_target::binds_local_p): Clarify "module".
        * tree.h (TREE_PUBLIC): Clarify "module".

2009-02-17  Xuepeng Guo  <xuepeng.guo@intel.com>

        PR target/38891
        * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move the hunk of
        initialization for MS_ABI prior to the hunk of !TARGET_MMX.

2009-02-17  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/39082
        * c.opt (Wabi): Support C and ObjC.
        (Wpsabi): New.

        * c-opts.c (c_common_handle_option): Handle OPT_Wabi.

        * config/i386/i386.c (classify_argument): Warn once about the ABI
        change when passing union with long double.

        * doc/invoke.texi: Update -Wabi for warning psABI changes.

2009-02-18  Joseph Myers  <joseph@codesourcery.com>

        PR c/35447
        * c-parser.c (c_parser_compound_statement): Always enter and leave
        a scope.

2009-02-17  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        PR target/34587
        * config/darwin.h (SUPPORTS_INIT_PRIORITY): Define.

2009-02-18  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/36922
        * tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR.
        * tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1):
        Likewise.

2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>

        * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
        to 0 for EABI64.

2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>

        * config/mips/mips.md (type): Reclassify lui_movf as "unknown".

2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>

        * config/mips/mips.c (mips_gimplify_va_arg_expr): Fix invalid
        tree sharing.

2009-02-17  Ruan Beihong  <ruanbeihong@gmail.com>
            Richard Sandiford  <rdsandiford@googlemail.com>

        * config/mips/mips.c (CODE_FOR_loongson_biadd): Delete.
        * config/mips/loongson.md (reduc_uplus_<mode>): Rename to...
        (loongson_biadd): ...this.

2009-02-17  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/39202
        * tree-ssa-structalias.c (do_structure_copy): Before collapsing
        a var make sure to follow existing collapses.

2009-02-17  Richard Guenther  <rguenther@suse.de>

        PR middle-end/39214
        * langhooks.c (lhd_print_error_function): Check for NULL block.

2009-02-17  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/39204
        * tree-ssa-pre.c (phi_translate_1): Lookup the value-number
        of the PHI arg.

2009-02-17  Uros Bizjak  <ubizjak@gmail.com>

        * config/soft-fp/double.h: Update from glibc CVS.

2009-02-17  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/39207
        * tree-ssa-structalias.c (find_what_p_points_to): Do not emit
        strict-aliasing warnings for pointers pointing to NULL.

2009-02-16  Joseph Myers  <joseph@codesourcery.com>

        PR c/35446
        * c-parser.c (c_parser_braced_init): Call pop_init_level when
        skipping until next close brace.

2009-02-16  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/37049
        * config/i386/i386.c (ix86_expand_push): Set memory alignment
        to function argument boundary.

2009-02-16  Hariharan Sandanagobalane  <hariharan@picochip.com>

        * config/picochip/picochip.md (lea_add): Allow any nonimmediate
        in the lea_add. Reload eventually constraints it properly.
        * config/picochip/constraints.md: Remove the target constraint
        "b", since it is not needed anymore.

2009-02-16  Jakub Jelinek  <jakub@redhat.com>

        * gthr-dce.h: Uglify function parameter and local variable names.
        * gthr-gnat.h: Likewise.
        * gthr-mipssde.h: Likewise.
        * gthr-nks.h: Likewise.
        * gthr-posix95.h: Likewise.
        * gthr-posix.h: Likewise.
        * gthr-rtems.h: Likewise.
        * gthr-single.h: Likewise.
        * gthr-solaris.h: Likewise.
        * gthr-tpf.h: Likewise.
        * gthr-vxworks.h: Likewise.
        * gthr-win32.h: Likewise.

2009-02-15  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/39196
        * config/i386/i386.md: Restrict the new peephole2 to move
        between MMX/SSE registers.

2009-02-15  Richard Guenther  <rguenther@suse.de>

        Revert
        2009-02-13  Richard Guenther  <rguenther@suse.de>

        * configure.ac: Enable LFS.
        * configure: Re-generate.
        * config.in: Likewise.

2009-02-13  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>

        * config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw,
        spu_srqwbyte, spu_srqwbytebc): Define.
        * config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw,
        spu_srqwbyte, spu_srqwbytebc): New overloaded builtins.
        * config/spu/spu.md ("shrqbybi_<mode>", "shrqbi_<mode>",
        "shrqby_<mode>"): New insn-and-split patterns.
        * config/spu/spu.c (expand_builtin_args): Determine and return
        number of operands using spu_builtin_description data.
        (spu_expand_builtin_1): Use it.

2009-02-13  Steve Ellcey  <sje@cup.hp.com>

        PR target/38056
        * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check
        TARGET_CONST_GP.

2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/39149
        * config/i386/i386.c (override_options): Correct warning
        messages for -malign-loops, -malign-jumps and -malign-functions.

2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/39152
        * config/i386/i386.md: Restrict the new peephole2 to move
        between the general purpose registers.

2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/39162
        * config/i386/i386.c (type_natural_mode): Add a new argument.
        Return the original mode and warn ABI change if vector size is 32byte.
        (function_arg_advance): Updated.
        (function_arg): Likewise.
        (ix86_function_value): Likewise.
        (ix86_return_in_memory): Likewise.
        (ix86_sol10_return_in_memory): Likewise.
        (ix86_gimplify_va_arg): Likewise.
        (function_arg_32): Don't warn ABX ABI change here.
        (function_arg_64): Likewise.

2009-02-13  Bernd Schmidt  <bernd.schmidt@analog.com>

        * loop-iv.c (implies_p): In the final case, test that operands 0
        of the two comparisons match.

        * config/bfin/bfin.c (find_prev_insn_start): New function.
        (bfin_optimize_loop): Use it in some cases instead of PREV_INSN.
        (find_next_insn_start): Move.

2009-02-13  Richard Guenther  <rguenther@suse.de>

        * configure.ac: Enable LFS.
        * configure: Re-generate.
        * config.in: Likewise.

2009-02-13  Joseph Myers  <joseph@codesourcery.com>

        PR c/35444
        * c-parser.c (c_parser_parms_list_declarator): Discard pending
        sizes on syntax error after some arguments have been parsed.

2009-02-12  Jakub Jelinek  <jakub@redhat.com>

        * doc/invoke.texi (-fira): Remove.

2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>

        * caller-save.c: Replace regclass.c with reginfo.c in comments.
        * recog.c: Likewise.
        * rtl.h: Likewise.

2009-02-12  Uros Bizjak  <ubizjak@gmail.com>

        * longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2.
        (umul_ppmm): Likewise.
        (count_leading_zeros): Likewise.
        (count_trailing_zeros): Likewise.
        (UMUL_TIME): Likewise.

2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>

        * config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and
        soft-fp/t-softfp to tmake_file.

        * config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New.
        (ia64_expand_compare): Use HPUX library for TFmode only for HPUX.
        (ia64_builtins) [IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ,
        IA64_BUILTIN_INFQ]: New.
        (ia64_init_builtins): Initialize __builtin_infq,
        __builtin_fabsq and __builtin_copysignq if not HPUX.
        (ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ,
        IA64_BUILTIN_FABSQ and IA64_BUILTIN_INFQ.

        * config/ia64/lib1funcs.asm (__divtf3): Define only if
        SHARED is defined.
        (__fixtfti): Likewise.
        (__fixunstfti): Likewise.
        (__floattitf): Likewise.

        * config/ia64/libgcc-glibc.ver: New.
        * config/ia64/t-fprules-softfp: Likewise.
        * config/ia64/sfp-machine.h: Likewise.

        * config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New.
        (LIBGCC2_TF_CEXT): Likewise.
        (TF_SIZE): Likewise.
        (TARGET_INIT_LIBFUNCS): Likewise.

        * config/ia64/t-glibc (SHLINB_MAPFILES):
        Add $(srcdir)/config/ia64/libgcc-glibc.ver.

2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/i386.c (construct_container): Rewrite processing
        BLKmode with X86_64_SSE_CLASS.

2009-02-12  Paolo Bonzini  <bonzini@gnu.org>

        PR target/39152
        * config/i386/i386.md: Replace simplify_replace_rtx with
        replace_rtx in the new peephole2.

2009-02-12  Nathan Sidwell  <nathan@codesourcery.com>

        * doc/invoke.texi (Optimize Options): Stop claiming inlining and
        loop unrolling do not happen at -O2.

2009-02-12  Michael Matz  <matz@suse.de>

        * gcc.c (ASM_DEBUG_SPEC): Check for -g0.

2009-02-12  Jakub Jelinek  <jakub@redhat.com>

        * dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
        for -g3.

2009-02-12  Ben Elliston  <bje@au.ibm.com>

        * config/rs6000/rs6000.md (allocate_stack): Use _stack form of
        patterns when updating the back chain.  Missed in the 2009-02-10
        change.

2009-02-11  Janis Johnson  <janis187@us.ibm.com>

        * doc/extend.texi (Decimal Floating Types): Update identifier of
        draft TR and list of missing support.

2009-02-11  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/39154
        * gimplify.c (omp_notice_variable): If adding GOVD_SEEN
        bit to variable length decl's flags, add it also to its
        pointer replacement variable.

2009-02-11  Uros Bizjak  <ubizjak@gmail.com>
            Jakub Jelinek  <jakub@redhat.com>

        PR target/39118
        * config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
        (memory_blockage): New expander.
        (*memory_blockage): New insn pattern.
        * config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
        instead of general blockage at the end of function prologue when
        frame pointer is used to access red zone area.  Do not emit blockage
        when profiling, it is emitted in generic code.
        (ix86_expand_epilogue): Emit memory_blockage at the beginning of
        function epilogue when frame pointer is used to access red zone area.

2009-02-11  Paolo Bonzini  <bonzini@gnu.org>

        PR target/38824
        * config/i386/i386.md: Add two new peephole2 to avoid mov followed
        by arithmetic with memory operands.
        * config/i386/predicates.md (commutative_operator): New.

2009-02-10  Janis Johnson  <janis187@us.ibm.com>

        * doc/extend.texi (Fixed-Point Types): Break long paragraphs into
        bulleted lists.

2009-02-10  Eric Botcazou  <ebotcazou@adacore.com>

        * alias.h (record_alias_subset): Declare.
        * alias.c (record_alias_subset): Make global.

2009-02-10  Nick Clifton  <nickc@redhat.com>

        * tree-parloops.c: Change license to GPLv3.
        * ipa-struct-reorg.c: Change license to GPLv3.
        * ipa-struct-reorg.h: Change license to GPLv3.

2009-02-10  Steve Ellcey  <sje@cup.hp.com>

        PR c/39084
        * c-decl.c (start_struct): Return NULL on error.

2009-02-10  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/39124
        * cfgloopmanip.c (remove_path): Call remove_bbs after
        cancel_loop_tree, not before it.

        PR target/39139
        * function.h (struct function): Add has_local_explicit_reg_vars bit.
        * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
        VAR_DECLs were seen.
        * tree-ssa-live.c (remove_unused_locals): Recompute
        cfun->has_local_explicit_reg_vars.
        * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
        copies or clearings if cfun->has_local_explicit_reg_vars.

2009-02-10  Uros Bizjak  <ubizjak@gmail.com>

        PR target/39118
        * config/i386/i386.c (expand_prologue): Emit blockage at the end
        of function prologue when frame pointer is used to access
        red zone area.

2009-02-10  Richard Guenther  <rguenther@suse.de>

        PR middle-end/39127
        * gimplify.c (gimple_regimplify_operands): Always look if
        we need to create a temporary.

2009-02-10  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/39132
        * tree-loop-distribution.c (todo): New global var.
        (generate_memset_zero): Trigger TODO_rebuild_alias.
        (tree_loop_distribution): Return todo.

2009-02-10  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/39119
        * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
        (x86_64_reg_class_name): Removed.
        (classify_argument): Return 0 if bytes > 32.  Return 0 if the
        first one isn't X86_64_SSE_CLASS or any other ones aren't
        X86_64_SSEUP_CLASS when size > 16bytes.  Don't turn
        X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
        is X86_64_SSEUP_CLASS.  Set AVX modes to 1 X86_64_SSE_CLASS
        and 3 X86_64_SSEUP_CLASS.
        (construct_container): Remove X86_64_AVX_CLASS.  Handle 4
        registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.

2009-02-10  Ben Elliston  <bje@au.ibm.com>

        * config/rs6000/rs6000.md (allocate_stack): Always use an update
        form instruction to update the stack back chain word, even if the
        user has disabled the generation of update instructions.
        (movdi_<mode>_update_stack): New.
        (movsi_update_stack): Likewise.
        * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
        always use an update form instruction to update the stack back
        chain word.

2009-02-09  Sebastian Pop  <sebastian.pop@amd.com>

        PR middle-end/38953
        * graphite.c (if_region_set_false_region): After moving a region in
        the false branch of a condition, remove the empty dummy basic block.
        (gloog): Remove wrong fix for PR38953.

2009-02-09  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>

        * config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
        generation due to implicit sign extension.

2009-02-09  Eric Botcazou  <ebotcazou@adacore.com>

        PR middle-end/38981
        * tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
        at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.

2009-02-09  Richard Guenther  <rguenther@suse.de>

        PR middle-end/35202
        * convert.c (convert_to_real): Disable (float)fn((double)x)
        to fnf(x) conversion if errno differences may occur and
        -fmath-errno is set.

2009-02-07  Anatoly Sokolov  <aesok@post.ru>

        * config/avr/avr.c (avr_mcu_t): Add ata6289 device.
        * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
        * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).

2009-02-06  Joseph Myers  <joseph@codesourcery.com>

        PR c/35434
        * c-common.c (handle_alias_attribute): Disallow attribute for
        anything not a FUNCTION_DECL or VAR_DECL.

2009-02-06  Janis Johnson  <janis187@us.ibm.com>

        PR c/39035
        * real.c (do_compare): Special-case compare of zero against
        decimal float value.

2009-02-06  Joseph Myers  <joseph@codesourcery.com>

        PR c/36432
        * c-decl.c (grokdeclarator): Don't treat [] declarators in fields
        as indicating flexible array members unless the field itself is
        being declarared as the incomplete array.

2009-02-06  Jan Hubicka  <jh@suse.cz>

        PR tree-optimization/38844
        * ipa-inline.c (try_inline): Stop inlining recursion when edge
        is already inlined.

2009-02-06  Richard Guenther  <rguenther@suse.de>

        PR middle-end/38977
        * tree-cfg.c (need_fake_edge_p): Force a fake edge for
        fork because we may expand it as __gcov_fork.

2009-02-06  Nick Clifton  <nickc@redhat.com>

        * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.

2009-02-06  Paolo Bonzini  <bonzini@gnu.org>

        PR tree-optimization/35659
        * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
        vn_phi_eq): Shortcut if hashcode does not match.
        (vn_reference_op_compute_hash): Do not call iterative_hash_expr for
        NULL operands.
        * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
        and avoid iterative_hash_expr.
        (FOR_EACH_VALUE_ID_IN_SET): New.
        (value_id_compare): Remove.
        (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
        sort expressions by value id.

2009-02-05  Kaz Kojima  <kkojima@gcc.gnu.org>

        PR target/38991
        * config/sh/predicates.md (general_movsrc_operand): Don't check
        the subreg of system registers here.

2009-02-05  Jakub Jelinek  <jakub@redhat.com>

        PR c++/39106
        * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
        on the copied decl.

2009-02-05  Paolo Bonzini  <bonzini@gnu.org>

        PR rtl-optimization/39110
        * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
        addresses, not aligned ones.

2009-02-05  Daniel Berlin  <dberlin@dberlin.org>
            Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/39100
        * tree-ssa-structalias.c (do_ds_constraint): Actually do what the
        comment says and add edges.

2009-02-05  Joseph Myers  <joseph@codesourcery.com>

        PR c/35435
        * c-common.c (handle_tls_model_attribute): Ignore attribute for
        non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.

2009-02-04  Tobias Grosser  <grosser@fim.uni-passau.de>

        * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
        sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
        register_bb_in_sese, new_sese, free_sese): Moved.
        (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
        outermost_loop_in_scop, build_scop_iteration_domain,
        expand_scalar_variables_ssa_name, get_vdef_before_scop,
        limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
        Use loop_in_sese_p instead of loop_in_scop_p.
        (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
        (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
        (scopdet_basic_block_info): Fix bug in scop detection.
        (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
        eq_loop_to_cloog_loop): Remove.
        (nb_loops_around_loop_in_scop, nb_loop
        ref_nb_loops): Moved here...
        * graphite.h (ref_nb_loops): ... from here.
        (struct scop): Remove bbs_b bitmap and loop2cloog_loop.
        (loop_domain_dim, loop_iteration_vector_dim): Remove.
        (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.

2009-02-04  Paolo Bonzini  <bonzini@gnu.org>
            Hans-Peter Nilsson  <hp@axis.com>

        PR rtl-optimization/37889
        * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
        Move offset handling from PLUS to before the switch.  Use new
        arguments when considering SYMBOL_REFs too.
        (rtx_addr_can_trap_p): Pass dummy offset and size.
        (enum may_trap_p_flags): Remove.
        (may_trap_p_1): Pass size from MEM_SIZE.

        PR rtl-optimization/38921
        * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
        * rtl.h (may_trap_after_code_motion_p): Delete prototype.
        * rtlanal.c (may_trap_after_code_motion_p): Delete.
        (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.

2009-02-04  H.J. Lu  <hongjiu.lu@intel.com>

        AVX Programming Reference (January, 2009)
        * config/i386/sse.md (*vpclmulqdq): New.

2009-02-04  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/38977
        PR gcov-profile/38292
        * calls.c (special_function_p): Disregard __builtin_ prefix.

2009-02-04  Hariharan Sandanagobalane  <hariharan@picochip.com>

        * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
        non-indexable addresses even before reload.

2009-02-03  Joseph Myers  <joseph@codesourcery.com>

        PR c/29129
        * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
        as having variable size.  Do not give an error for unnamed
        parameters with [*] declarators.  Give a warning for type names
        with [*] declarators and mark them as variable size.
        * c-parser.c (c_parser_sizeof_expression): Do not give an error
        for sizeof applied to [*] type names.

2009-02-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>

        PR C++/36607
        * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.

2009-02-03  Jakub Jelinek  <jakub@redhat.com>

        * 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.

2009-02-03  Joseph Myers  <joseph@codesourcery.com>

        PR c/35433
        * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
        for composite type involving a zero-length array type.

2009-02-03  Jakub Jelinek  <jakub@redhat.com>

        PR target/35318
        * function.c (match_asm_constraints_1): Skip over
        initial optional % in the constraint.

        PR inline-asm/39059
        * c-parser.c (c_parser_postfix_expression): If fixed point is not
        supported, don't accept FIXED_CSTs.
        * c-decl.c (finish_declspecs): Error if fixed point is not supported
        and _Sat is used without _Fract/_Accum.  Set specs->type to
        integer_type_node for cts_fract/cts_accum if fixed point is not
        supported.

2009-02-02  Catherine Moore  <clm@codesourcery.com>

        * sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.

2009-02-02  Richard Sandiford  <rdsandiford@googlemail.com>

        * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
        (ABI_HAS_64BIT_SYMBOLS): Use it.
        (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.

2009-02-02  Paul Brook  <paul@codesourcery.com>

        * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.

2009-02-02  Jakub Jelinek  <jakub@redhat.com>

        PR inline-asm/39058
        * recog.h (asm_operand_ok): Add constraints argument.
        * recog.c (asm_operand_ok): Likewise.  If it is set, for digits
        recurse on matching constraint.
        (check_asm_operands): Pass constraints as 3rd argument to
        asm_operand_ok.  Don't look up matching constraint here.
        * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
        to asm_operand_ok.

2009-02-02  Ben Elliston  <bje@au.ibm.com>

        * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
        TARGET_NARROW_VOLATILE_BITFIELD macro names.

2009-01-31  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
        information.  Remove some obsolete information.  Reorganize.

        * config/pa/fptr.c: Revert license to GPL 2.
        * config/pa/milli64.S: Likewise.

2009-01-31  Dave Korn  <dave.korn.cygwin@gmail.com>

        PR target/38904
        * mkmap-flat.awk (END):  Use pe_dll command-line arg to pass
        LIBRARY name in, instead of hard-coding it.
        * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*):  Add an
        extra target make frag to tmake_files according to EH model.
        (i[34567]86-*-mingw* | x86_64-*-mingw*):  Likewise.
        * config/i386/t-dw2-eh, config/i386/t-sjlj-eh:  Add new target
        frags that define makefile variable EH_MODEL appropriately.
        * config/i386/cygming.h (DWARF2_UNWIND_INFO):  Add comment.
        * config/i386/cygwin.h (LIBGCC_EH_EXTN):  Define to nothing or
        to "-sjlj" according to type of EH configured.
        (LIBGCC_SONAME):  Concatenate it to shared library base name.
        * config/i386/mingw32.h (LIBGCC_EH_EXTN):  Define to "_dw2" or
        to "_sjlj" according to type of EH configured.
        (LIBGCC_SONAME):  Concatenate it to shared library base name.
        * config/i386/t-cygming (SHLIB_SONAME):  Use EH_MODEL.
        (SHLIB_LINK):  Add missing semicolon to if-else construct.
        (SHLIB_MKMAP_OPTS):  Pass library name to mkmap-flat.awk as
        string value of "pe_dll" command-line option.
        * config/i386/t-cygwin (SHLIB_EH_EXTENSION):  New helper.
        (SHLIB_SONAME):  Use it when overriding t-cygming default.
        (SHLIB_IMPLIB):  Override t-cygming default.
        (SHLIB_MKMAP_OPTS):  Pass library name to mkmap-flat.awk as
        string value of "pe_dll" command-line option.

2009-01-31  Dave Korn  <dave.korn.cygwin@gmail.com>

        PR target/38952
        * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
        (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.

2009-01-31  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/38937
        * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
        computing the transitive closure.

2009-01-30  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/39041
        * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
        Propagate variable indices only if the types match for this stmt.

2009-01-30  Jakub Jelinek  <jakub@redhat.com>

        PR target/39013
        * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
        inline but never defined.

2009-01-30  Wolfgang Gellerich  <gellerich@de.ibm.com>

        * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
        (*insv_h_di_reg_extimm): New insn.
        (*insv_l<mode>_reg_extimm): New insn.

2009-01-30  Hariharan Sandanagobalane  <hariharan@picochip.com>

        * config/picochip/picochip.c (flag_conserve_stack): set
        PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
        fconserve-stack. Reduce call-overhead used by inliner.

2009-01-30  Hariharan Sandanagobalane  <hariharan@picochip.com>

        PR/38157
        * common.opt (flag_conserve_stack): Initialised to zero.

2009-01-30  Kai Tietz  <kai.tietz@onevision.com>

        PR/39002
        * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
        (ix86_expand_epilogue): Take nsseregs in account to use proper restore
        method.

2009-01-29  H.J. Lu  <hongjiu.lu@intel.com>

        * ira-color.c (allocno_reload_assign): Update comments.
        * regmove.c (regmove_optimize): Likewise.

        * ra.h: Removed.

2009-01-29  Robert Millan  <rmh@aybabtu.com>

        * config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
        * config/i386/kopensolaris-gnu.h: New file.  Undefine
        `MD_UNWIND_SUPPORT'.
        * config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).

2009-01-29  Kazu Hirata  <kazu@codesourcery.com>

        PR tree-optimization/39007
        * tree-loop-distribution.c (generate_builtin): Use
        recompute_dominator to compute the immediate dominator of the
        basic block just after the loop.

2009-01-29  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>

        * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
        (ASM_OUTPUT_DWARF_PCREL): Define.

2009-01-29  Vladimir Makarov  <vmakarov@redhat.com>

        * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
        * doc/passes.texi: Remove entries about regclass, local-alloc, and
        global.  Modify entries about regmove and IRA.

        * ra-conflict.c: Remove the file.

        * reload.c (push_reload, find_dummy_reload): Remove flag_ira.

        * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
        (pass_regclass_init): Rename to pass_reginfo_init.

        * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.

        * toplev.h (flag_ira): Remove.

        * caller-save.c (setup_save_areas): Remove flag_ira.

        * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.

        * global.c: Remove the file.

        * opts.c (decode_options): Remove flag_ira.

        * hard-reg-set.h (losing_caller_save_reg_set): Remove.

        * regmove.c: Modify file description.
        (find_use_as_address, try_auto_increment): Define them only if
        AUTO_INC_DEC is defined.
        (replacement_quality, replace_in_call_usage, fixup_match_1,
        stable_and_no_regs_but_for_p): Remove.
        (reg_set_in_bb): Make it static.
        (regmove_optimize): Remove flag_ira and code which worked for
        !flag_ira.

        * local-alloc.c: Remove the file.

        * common.opt (fira): Remove.

        * ira.c: Include except.h.
        (eliminable_regset): Move from global.c.
        (mark_elimination): Ditto.  Remove flag_ira.
        (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
        equiv_mem_modified, validate_equiv_mem_from_store,
        validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
        contains_replace_regs, memref_referenced_p, memref_used_between_p,
        no_equiv, recorded_label_ref): Move from local-alloc.c.
        (update_equiv_regs): Ditto.  Make it static.
        (print_insn_chain, print_insn_chains): Move it from global.c.
        (pseudo_for_reload_consideration_p): Ditto.  Remove flag_ira.
        (build_insn_chain): Ditto.  Make it static.
        (ra_init_live_subregs): Move from ra-conflict.c.  Make it static.
        Rename to init_live_subregs.
        (gate_ira): Remove flag_ira.

        * regclass.c: Rename reginfo.c.  Change file description.
        (FORBIDDEN_INC_DEC_CLASSES): Remove.
        (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
        (init_reg_sets_1): Remove code for evaluation of
        reg_class_superclasses and losing_caller_save_reg_set.
        (init_regs): Remove init_reg_autoinc.
        (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
        ok_for_base_p_nonstrict): Remove.
        (regclass_init): Rename to reginfo_init.  Don't initialize init_cost.
        (pass_regclass_init): Rename to pass_reginfo_init.  Modify
        corresponding entries.
        (dump_regclass, record_operand_costs, scan_one_insn,
        init_reg_autoinc, regclass, record_reg_classes, copy_cost,
        record_address_regs, auto_inc_dec_reg_p): Remove.
        (gt-regclass.h): Rename to gt-reginfo.h.

        * rtl.h (dump_global_regs, retry_global_alloc,
        build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.

        * Makefile.in (RA_H): Remove.
        (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
        Rename regclass.o to reginfo.o.
        (regclass.o): Rename to reginfo.o.  Rename gt-regclass.h to
        gt-reginfo.h.
        (global.o, local-alloc.o, ra-conflict.o): Remove entries.
        (GTFILES): Rename regclass.c to reginfo.c.

        * passes.c (init_optimization_passes): Remove pass_local_alloc and
        pass_global_alloc.  Rename pass_regclass_init to pass_reginfo_init.

        * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
        count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
        Remove flag_ira.
        (finish_spills): Ditto.  Remove code for !flag_ira.

2009-01-29  Kenneth Zadeck  <zadeck@naturalbridge.com>

        PR middle-end/35854
        * doc/invoke.texi (rtl debug options): Complete rewrite.
        * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
        to auto_inc_dec".
        * mode-switching.c (pass_mode_switching): Rename pass from
        "mode-sw" to "mode_sw".
        * except.c (pass_convert_to_eh_ranges): Rename pass from
        "eh-ranges" to "eh_ranges".
        * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
        to "subreg1".


2009-01-29  Andrey Belevantsev  <abel@ispras.ru>
            Alexander Monakov  <amonakov@ispras.ru>

        PR middle-end/38857
        * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
        register.
        (move_exprs_to_boundary): Change return type and pass through
        should_move from move_op.  Relax assert.  Update usage ...
        (schedule_expr_on_boundary): ... here.  Use should_move instead of
        cant_move.
        (move_op_orig_expr_found): Indicate that insn was disconnected from
        stream.
        (code_motion_process_successors): Do not call after_merge_succs
        callback if original expression was not found when traversing any of
        the branches.
        (code_motion_path_driver): Change return type.  Update prototype.
        (move_op): Update comment.  Add a new parameter (should_move).  Update
        prototype.  Set *should_move based on indication provided by
        move_op_orig_expr_found.

2009-01-28  Pat Haugen  <pthaugen@us.ibm.com>

        * doc/invoke.texi (avoid-indexed-addresses): Document new option.
        * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
        * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
        * config/rs6000/rs6000.c (rs6000_override_options): Default
        avoid-indexed-addresses on for Power6, off for everything else.
        (avoiding_indexed_address_p): New function.
        (rs6000_legitimize_address): Use it.
        (rs6000_legitimate_address): Likewise.
        * config/rs6000/rs6000.md (movXX_updateX): Likewise

2009-01-28  Kazu Hirata  <kazu@codesourcery.com>

        PR tree-optimization/38997
        * tree-loop-distribution.c (generate_memset_zero): Use
        POINTER_PLUS_EXPR for a pointer addition.

2009-01-28  Andreas Krebbel  <krebbel1@de.ibm.com>

        * config/s390/s390.md (bswap<mode>2): New pattern added.

2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>

        * config/s390/s390.md (*tls_load_31): Added type attribute.

2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>

        * config/s390/s390.md: Fix a few comments.

2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>

        * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
        (*tm<mode>_full): Fixed z10prop attribute.
        (*tst<mode>_extimm): Fixed z10prop attribute.
        (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
        (*tstqiCCT_cconly): Fixed z10prop attribute.
        (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
        (*movsi_larl): Fixed z10prop attribute.
        (*movsi_zarch): Fixed z10prop attribute.
        (*movsi_eas): Fixed z10prop attribute.
        (*movhi): Fixed z10prop attribute.
        (*movqi): Fixed z10prop attribute.
        (*movstrictqi): Fixed z10prop attribute.
        (*mov<mode>): Fixed z10prop attribute.
        (*movcc): Fixed z10prop attribute.
        (*sethighpartdi_64): Fixed z10prop attribute.
        (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
        (*negdi2_sign_cc): Fixed z10prop attribute.
        (*negdi2_sign): Fixed z10prop attribute.
        (*absdi2_sign_cc): Fixed z10prop attribute.
        (*absdi2_sign): Fixed z10prop attribute.
        (*negabsdi2_sign_cc): Fixed z10prop attribute.
        (*negabsdi2_sign): Fixed z10prop attribute.
        (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
        (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
        (doloop_si64): Fixed z10prop attribute.
        (doloop_si31): Fixed z10prop attribute.
        (doloop_long): Fixed z10prop attribute.
        (indirect_jump): Fixed z10prop attribute.
        (nop): Fixed z10prop attribute.
        (main_base_64): Fixed z10prop attribute.
        (reload_base_64): Fixed z10prop attribute.

2009-01-28  Jakub Jelinek  <jakub@redhat.com>

        PR rtl-optimization/38740
        * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
        if !optimize.
        * config/mips/mips.c (mips_reorg): Likewise.

2009-01-28  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/38926
        * tree-ssa-pre.c (add_to_value): Assert we add only expressions
        with the correct value id to a value.
        (do_regular_insertion): Use the value number of edoubleprime
        for the value number of the expr.

        Revert
        2008-08-21  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
        a PHI ask VN if it is already available.
        * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
        * tree-ssa-sccvn.c (vn_phi_lookup): Export.

2009-01-28  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/38934
        * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
        set to varying whenever max has TREE_OVERFLOW set, similarly
        for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.

2009-01-28  Richard Guenther  <rguenther@suse.de>

        PR middle-end/38908
        * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
        uninitialized aggregate uses in call arguments.

2009-01-28  Paolo Bonzini  <bonzini@gnu.org>

        PR tree-optimization/38984
        * tree-ssa-structalias.c (get_constraints_for_1): Do not use
        the nothing_id variable if -fno-delete-null-pointer-checks.

2009-01-28  Uros Bizjak  <ubizjak@gmail.com>

        PR target/38988
        * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
        (set_got_offset_rex64): Ditto.

2009-01-27  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/38941
        * doc/extend.texi: Improve local variable with asm reg.

2009-01-27  Adam Nemet  <anemet@caviumnetworks.com>

        * c.opt (Wpacked-bitfield-compat): Change init value to -1.
        * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
        was not supplied then set warn_packed_bitfield_compat to the
        default value of 1.
        * stor-layout.c (place_field): Check warn_packed_bitfield_compat
        against 1.

2009-01-27  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/38503
        * cfgexpand.c (expand_gimple_basic_block): Ignore
        GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
        * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
        variables that cannot have TBAA applied.
        (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
        statements.

2009-01-27  Uros Bizjak  <ubizjak@gmail.com>

        PR middle-end/38969
        * calls.c (initialize_argument_information): Do not wrap complex
        arguments in SAVE_EXPR.

2009-01-26  Andreas Tobler  <a.tobler@schweiz.org>

        * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
        (INSTALL_LIBGCC): Revert typo commit.

2009-01-26  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/38745
        * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
        from special handling.

2009-01-26  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/38745
        * tree-ssa.c (execute_update_addresses_taken): Do not include
        variables that cannot possibly be a register in not_reg_needs.
        Do not clear TREE_ADDRESSABLE on vars that may not become
        registers.
        * tree-ssa.c (update_alias_info_1): Include those in the set
        of addressable vars.

2009-01-26  Richard Guenther  <rguenther@suse.de>

        PR middle-end/38851
        * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
        * tree-ssa-dse.c: Include langhooks.h
        (execute_simple_dse): Remove stores with zero size.

2009-01-24  Jakub Jelinek  <jakub@redhat.com>

        PR c/38957
        * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
        as PLUS_EXPR.

2009-01-24  Julian Brown  <julian@codesourcery.com>

        * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
        config/arm/linux-atomic.c.
        * config/arm/linux-atomic.c: New.

2009-01-24  Eric Botcazou  <ebotcazou@adacore.com>

        * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
        * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
        * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.

2009-01-24  H.J. Lu  <hongjiu.lu@intel.com>

        PR c/38938
        * c-opts.c (c_common_handle_option): Update warn_pointer_sign
        properly.

2009-01-24  Sebastian Pop  <sebastian.pop@amd.com>

        PR tree-optimization/38953
        * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
        (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
        (gloog): Split the exit of the scop when the scop exit is a loop exit.
        (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
        changed the CFG.

2009-01-24  Paul Brook  <paul@codesourcery.com>

        * config/arm/neon.md (neon_type): Move to arm.md.
        (neon_mov<VSTRUCT>): Add neon_type attribute.
        * config/arm/arm.md (neon_type): Move to here.
        (conds): Add "unconditioal" and use as default for NEON insns.

2009-01-24  Ben Elliston  <bje@au.ibm.com>

        * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
        void *' warning from -Wc++-compat.
        * Makefile.in (dominance.o-warn): Remove.

2009-01-23  Paolo Bonzini  <bonzini@gnu.org>

        PR tree-optimization/38932
        * fold-const.c (fold_unary_ignore_overflow): New.
        * tree.h (fold_unary_ignore_overflow): Declare.
        * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
        * tree-ssa-sccvn.c (visit_reference_op_load,
        simplify_unary_expression): Likewise.

2009-01-22  Adam Nemet  <anemet@caviumnetworks.com>

        * c-decl.c (finish_struct): Move code to set DECL_PACKED after
        DECL_BIT_FIELD is alreay known.  Also inherit packed for bitfields
        regardless of their type.
        * c-common.c (handle_packed_attribute): Don't ignore packed on
        bitfields.
        * c.opt (Wpacked-bitfield-compat): New warning option.
        * stor-layout.c (place_field): Warn if offset of a field changed.
        * doc/extend.texi (packed): Mention the ABI change.
        * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
        (Warning Options): Add it to the list.

2009-01-22  H.J. Lu  <hongjiu.lu@intel.com>

        * c-opts.c (c_common_post_options): Fix a typo in comments.

2009-01-22  Steve Ellcey  <sje@cup.hp.com>

        PR middle-end/38615
        * gimplify.c (gimplify_init_constructor): Fix promotion of const
        variables to static.
        * doc/invoke.texi (-fmerge-all-constants): Update description.

2009-01-22  Uros Bizjak  <ubizjak@gmail.com>

        PR target/38931
        * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
        (*movdi_1_rex64): Use type "mmx" for alternative 5.

2009-01-22  Richard Earnshaw  <rearnsha@arm.com>

        * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
        a word boundary.
        (LOCAL_ALIGNMENT): Similarly.

2009-01-22  Mark Shinwell  <shinwell@codesourcery.com>
            Joseph Myers  <joseph@codesourcery.com>

        * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
        * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
        * config/arm/arm-tune.md: Regenerate.
        * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
        -march=iwmmxt2.

2009-01-22  Mark Shinwell  <shinwell@codesourcery.com>

        * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
        version number to five.

2009-01-22  Dodji Seketeli  <dodji@redhat.com>

        PR c++/38930
        * c-decl.c (clone_underlying_type): Revert PR c++/26693 changes.
        * c-common.c (set_underlying_type): Likewise.
        (is_typedef_decl ): Likewise
        * tree.h: Likewise
        (set_underlying_type): Likewise.
        (is_typedef_type): Likewise.

2009-01-21  Vladimir Makarov  <vmakarov@redhat.com>

        PR middle-end/38587
        * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
        crossing setjmps.

2009-01-21  Dave Korn  <dave.korn.cygwin@gmail.com>

        PR bootstrap/37660
        * config/i386/cygwin.h (SHARED_LIBGCC_SPEC):  New helper macro.
        (LIBGCC_SPEC):  Don't define.
        (REAL_LIBGCC_SPEC):  Define instead, using SHARED_LIBGCC_SPEC.

2009-01-21  Uros Bizjak  <ubizjak@gmail.com>

        PR rtl-optimization/38879
        * alias.c (base_alias_check): Unaligned access via AND address can
        alias all surrounding object types except those with sizes equal
        or wider than the size of unaligned access.

2009-01-21  Dodji Seketeli  <dodji@redhat.com>

        PR c++/26693
        * c-decl.c (clone_underlying_type): Move this ...
        * c-common.c (set_underlying_type): ... here.
        Also, make sure the function properly sets TYPE_STUB_DECL() on
        the newly created typedef variant type.
        (is_typedef_decl ): New entry point.
        * tree.h: Added a new member member_types_needing_access_check to
        struct tree_decl_non_common.
        (set_underlying_type): New entry point.
        (is_typedef_type): Likewise.

2009-01-21  Bingfeng Mei  <bmei@broadcom.com>

        * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
        Check whether two instructions have memory references that
        belong to conflicting alias sets.  walk_mems_1 and walk_mems_2
        are helper functions for traversing.
        * alias.h (insn_alias_sets_confilict_p): New prototypes.
        * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
        not to draw dependency edge for instructions with non-conflicting
        alias sets.

2009-01-20  Joseph Myers  <joseph@codesourcery.com>

        PR other/38758
        * longlong.h: Update copyright years.  Use soft-fp license notice.
        Sync __clz_tab declaration with glibc.

2009-01-20  Steve Ellcey  <sje@cup.hp.com>

        PR target/30687
        * doc/extend.texi (syscall_linkage): New.
        (version_id): Modify.

2009-01-20  Andrew Pinski  <andrew_pinski@playstation.sony.com>
            Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/38747
        PR tree-optimization/38748
        * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
        conversion if the base address is an indirect reference and the
        aliasing sets could cause issues.

2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>

        * common.opt (fgraphite, fgraphite-identity): Add comment for
        explaining why these options are not documented.

2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite.c (stmt_simple_for_scop_p): Also handle cases when
        gimple_call_lhs is NULL.

2009-01-20  Paolo Bonzini  <bonzini@gnu.org>

        PR target/38868
        * emit-rtl.c (adjust_address_1): Make sure memref is never
        overwritten.

2009-01-20  Ben Elliston  <bje@au.ibm.com>

        * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
        const qualifier from arg parameter. Remove unnecessary cast to char *.
        * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
        const qualifier from arg 2.

2009-01-19  Iain Sandoe  <iain.sandoe@sandoe-acoustics.co.uk>

        * config/darwin.h: Add static-libgfortran to LINK_SPEC.

2009-01-19  Vladimir Makarov  <vmakarov@redhat.com>

        PR c/38869
        * rtl.h (reinit_regs): New prototype.
        * regclass.c: Include ira.h.
        (reinit_regs): New.
        * Makefile.in (regclass.o): Add ira.h.
        * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.

2009-01-18  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/38736
        * c-common.c (handle_aligned_attribute): Use
        ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
        default alignment value.

        * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.

        * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
        * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.

        * doc/extend.texi: Update __attribute__ ((aligned)).  Document
        __BIGGEST_ALIGNMENT__.

        * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.

2009-01-18  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/38819
        * tree-flow.h (operation_could_trap_helper_p): Declare.
        * tree-eh.c (operation_could_trap_helper_p): Export.
        * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
        * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
        * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
        are about to insert a possibly trapping instruction and fail
        in this case.

2009-01-18  Andreas Schwab  <schwab@suse.de>

        * doc/install.texi (Configuration): Remove obsolete paragraph
        about use of --with-gnu-ld with --with-gnu-as.

2009-01-18  Kazu Hirata  <kazu@codesourcery.com>

        * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
        doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
        Follow spelling conventions.

2009-01-18  Ben Elliston  <bje@au.ibm.com>

        * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
        C++ warning about implicit conversion from void * to struct
        bitmap_head_def *.
        (bitmap_obstack_free): Likewise for bitmap_element *.
        * Makefile.in (bitmap.o-warn): Remove.

2009-01-17  Dave Korn  <dave.korn.cygwin@gmail.com>

        * Makefile.in (BACKENDLIBS):  Reorder to match dependencies.

2009-01-17  Sebastian Pop  <sebastian.pop@amd.com>
            Tobias Grosser  <tobi.grosser@amd.com>

        * graphite.c (graphite_trans_scop_block): Do not block single
        nested loops.

2009-01-16  Alexandre Oliva  <aoliva@redhat.com>

        * ebitmap.h (ebitmap_iter_init): Initialize all fields.
        * ipa-struct-reorg.c (gen_struct_type): Replace known-true
        test with assertion.

2009-01-16  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/38835
        PR middle-end/36227
        * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
        and INT + PTR -> (INT)(PTR p+ INT) folding.
        * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.

2009-01-16  Adam Nemet  <anemet@caviumnetworks.com>

        PR target/38554
        * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
        the subreg from a lowpart subreg if it is also casting the value.

2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
            Tobias Grosser  <tobi.grosser@amd.com>

        * graphite.c (compare_prefix_loops): New.
        (build_scop_canonical_schedules): Rewritten.
        (graphite_transform_loops): Move build_scop_canonical_schedules
        after build_scop_iteration_domain.

2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
            Tobias Grosser  <tobi.grosser@amd.com>

        * graphite.c (add_conditions_to_domain): Add the loops to
        the dimension of the iteration domain.  Do copy the domain
        only when it exists.
        (build_scop_conditions_1): Do not call add_conditions_to_domain.
        (add_conditions_to_constraints): New.
        (can_generate_code_stmt, can_generate_code): Removed.
        (gloog): Do not call can_generate_code.
        (graphite_transform_loops): Call add_conditions_to_constraints
        after building the iteration domain.

2009-01-16  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/38789
        * tree-ssa-threadedge.c
        (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
        __builtin_constant_p.

2009-01-16  Kenneth Zadeck  <zadeck@naturalbridge.com>

        * dce.c (delete_unmarked_insns): Reversed the order that insns are
        examined before deleting them.

2009-01-16  Richard Earnshaw  <rearnsha@arm.com>

        * function.c (aggregate_value_p): Correctly extract the function
        type from CALL_EXPR_FN lookup.

2009-01-16  Hariharan Sandanagobalane  <hariharan@picochip.com>

        * config/picochip/picochip.c (picochip_override_options): Revert
        CFI asm flag disable commited previously.

2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
            Tobias Grosser  <tobi.grosser@amd.com>
            Jan Sjodin  <jan.sjodin@amd.com>

        * graphite.c (scan_tree_for_params): On substractions negate
        all the coefficients of the term.
        (clast_to_gcc_expression_red): New.  Handle reduction expressions
        of more than two operands.
        (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
        (get_vdef_before_scop): Handle also the case of default definitions.

2009-01-15  Richard Sandiford  <rdsandiford@googlemail.com>

        * caller-save.c (add_used_regs_1, add_used_regs): New functions.
        (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
        Also use them when walking CALL_INSN_FUNCTION_USAGE.

2009-01-15  H.J. Lu  <hongjiu.lu@intel.com>
            Joey Ye  <joey.ye@intel.com>

        PR middle-end/37843
        * cfgexpand.c (expand_stack_alignment): Don't update stack
        boundary nor check incoming stack boundary here.
        (gimple_expand_cfg): Update stack boundary and check incoming
        stack boundary here.

2009-01-15  Kenneth Zadeck  <zadeck@naturalbridge.com>

        * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.

2009-01-14  Jakub Jelinek  <jakub@redhat.com>

        PR rtl-optimization/38245
        * calls.c (expand_call): Add stack arguments to
        CALL_INSN_FUNCTION_USAGE even for pure calls (when
        ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
        in regs and partially in memory or BLKmode arguments.
        (emit_library_call_value_1): Add stack arguments to
        CALL_INSN_FUNCTION_USAGE even for pure calls (when
        ACCUMULATE_OUTGOING_ARGS).
        * dce.c: Include tm_p.h.
        (find_call_stack_args): New function.
        (deletable_insn_p): Call it for CALL_P insns.  Add ARG_STORES
        argument.
        (mark_insn): Call find_call_stack_args for CALL_Ps.
        (prescan_insns_for_dce): Walk insns backwards in bb rather than
        forwards.  Allocate and free arg_stores bitmap if needed, pass it
        down to deletable_insn_p, don't mark stores set in arg_stores
        bitmap, clear the bitmap at the beginning of each bb.
        * Makefile.in (dce.o): Depend on $(TM_P_H).

2009-01-14  Michael Meissner  <gnu@the-meissners.org>

        PR target/22599
        * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
        to make sure the insn is a conditional test (bug 22599).  Reformat a
        few long lines.

2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>

        PR middle-end/38431
        * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
        (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
        (gloog): Do not call cleanup_tree_cfg.
        (graphite_transform_loops): Call cleanup_tree_cfg after all
        scops have been code generated.

2009-01-14  Basile Starynkevitch  <basile@starynkevitch.net>
        * doc/gty.texi (Invoking the garbage collector): Added new node
        and section documenting ggc_collect.

2009-01-14  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/38826
        PR middle-end/38477
        * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
        initialization notes only if we actually emitted a warning.
        (intra_create_variable_infos): Add constraints for a result decl
        that is passed by hidden reference.
        (build_pred_graph): Mark all related variables non-direct on
        address-taking.

2009-01-14  Nick Clifton  <nickc@redhat.com>

        * ira-conflicts.c: Include addresses.h for the definition of
        base_reg_class.
        (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
        * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.

2009-01-13  Vladimir Makarov  <vmakarov@redhat.com>

        PR target/38811
        * Makefile.in (ira-lives.o): Add except.h.

        * ira-lives.c: Include except.h.
        (process_bb_node_lives): Process can_throw_internal.

2009-01-13  Jakub Jelinek  <jakub@redhat.com>

        PR rtl-optimization/38774
        * combine.c (simplify_set): When undoing cc_use change, don't do
        PUT_CODE on the newly created comparison, but instead put back the
        old comparison.

2009-01-13  Joseph Myers  <joseph@codesourcery.com>

        * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
        values.  Remove duplicate arm8 entry.

2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>

        PR tree-optimization/38786
        * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
        the SSA_NAME case of expand_scalar_variables_expr.
        Set the type of an expression to the type of its assign statement.
        (expand_scalar_variables_expr): Also gather the scalar computation
        used to index the memory access.  Do not pass loop_p.
        Fix comment.  Stop recursion on tcc_constant or tcc_declaration.
        (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
        the gimple_stmt_iterator where it inserts new code.
        Do not pass loop_p.
        (copy_bb_and_scalar_dependences): Do not pass loop_p.
        (translate_clast): Update call to copy_bb_and_scalar_dependences.

2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite.h (debug_value): Removed.
        * graphite.c (debug_value): Removed.

2009-01-13  Richard Earnshaw  <rearnsha@arm.com>

        * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
        ldrd/strd with two 32-bit instructions.

2009-01-13  Richard Earnshaw  <rearnsha@arm.com>

        * config/arm/arm.c (struct processors): Pass for speed down into
        cost helper functions.
        (const_ok_for_op): Handle COMPARE and inequality nodes.
        (arm_rtx_costs_1): Rewrite.
        (arm_size_rtx_costs): Update prototype.
        (arm_rtx_costs): Pass speed down to helper functions.
        (arm_slowmul_rtx_costs): Rework cost calculations.
        (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
        (arm_9e_rtx_costs): Likewise.

2009-01-13  Uros Bizjak  <ubizjak@gmail.com>

        * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
        relocations of local symbols wider than UNITS_PER_WORD are not valid.
        (alpha_legitimize_address): Do not split local symbols wider than
        UNITS_PER_WORD into HIGH/LO_SUM parts.

2009-01-13  Danny Smith  <dannysmith@users.sourceforge.net>

        PR bootstrap/38580
        * gcc.c (process_command): Replace call to execvp with calls
        to pex_one and exit.

2009-01-03  Anatoly Sokolov  <aesok@post.ru>

        PR target/29141
        * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
        * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
        variant for devices with 3-byte PC.
        (__tablejump_elpm__): New.

2009-01-12  Jakub Jelinek  <jakub@redhat.com>

        PR c/32041
        * c-parser.c (c_parser_postfix_expression): Allow `->' in
        offsetof member-designator, handle it as `[0].'.

2009-01-12  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
        function when not using named sections on targets with named sections
        if branch distance is less than 262132.

2009-01-12  Richard Earnshaw  <rearnsha@arm.com>

        * combine.c (combine_instructions):  Recompute
        optimize_this_for_speed_p  for each BB in the main combine loop.

2009-01-12  Tomas Bily  <tbily@suse.cz>

        PR middlend/38385
        * tree-loop-distribution.c (prop_phis): New function.
        (generate_builtin): Call prop_phis.

2009-01-12  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/38807
        * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
        gimple_visited_p unless stmt is GIMPLE_ASSIGN.

2009-01-11  Adam Nemet  <anemet@caviumnetworks.com>

        * expmed.c (store_bit_field_1): Properly truncate the paradoxical
        subreg of op0 to the original op0.

2009-01-11  Laurent GUERBY  <laurent@guerby.net>

        * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.

2009-01-11  Markus Schoepflin  <markus.schoepflin@comsoft.de>

        PR debug/7055
        * mips-tfile.c (parse_def): Fix parsing of def strings
        starting with digits.

2009-01-10  Jakub Jelinek  <jakub@redhat.com>

        PR target/38695
        * config/arm/arm.c (arm_is_long_call_p): Don't call
        arm_function_in_section_p if decl isn't a FUNCTION_DECL.

2009-01-09  Steven Bosscher  <steven@gcc.gnu.org>

        * regrename.c (regrename_optimize): Fix dumping.
        (find_oldest_value_reg): Preserve REG_POINTER.
        (copy_hardreg_forward_1): Likewise.

2009-01-09  Diego Novillo  <dnovillo@google.com>

        * gimple.h (struct gimple_statement_base) <uid>: Document
        the restrictions on its use.
        (gimple_uid): Tidy.
        (gimple_set_uid): Tidy.

2009-01-09  Jakub Jelinek  <jakub@redhat.com>

        * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
        zero guard even if align_bytes != 0 and count is smaller than
        size_needed.

2009-01-09  Vladimir Makarov  <vmakarov@redhat.com>

        PR rtl-optimization/38495
        * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
        (add_range_and_copies_from_move_list): Print all added ranges.
        Add ranges to memory optimized destination.

2009-01-09  Jakub Jelinek  <jakub@redhat.com>

        PR target/38686
        PR target/38708
        * config/i386/i386.c (override_options): Reject
        -mstringop-strategy=rep_8byte with -m32.
        (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
        to 1.  Do count comparison against epilogue_size_needed at compile
        time even when count_exp was constant forced into register.  For
        size_needed don't jump to epilogue, instead just avoid aligning
        and invoke the body algorithm.  If need_zero_guard, add zero guard
        even if count is non-zero, but smaller than size_needed + number of
        bytes that could be stored for alignment.
        (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
        to 1.  If need_zero_guard, add zero guard even if count is non-zero,
        but smaller than size_needed + number of bytes that could be stored
        for alignment.  Compare size_needed with epilogue_size_needed instead
        of desired_align - align, don't adjust size_needed, pass
        epilogue_size_needed to the epilogue expanders.

        PR c/35742
        * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.

2009-01-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        * pa.c (last_address): Change to unsigned.
        (update_total_code_bytes): Change argument to unsigned.  Don't
        check if insn addresses are set.
        (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
        addresses are not set.
        (pa_asm_output_mi_thunk): Handle wrap when updating last_address.

2009-01-09  Nick Clifton  <nickc@redhat.com>

        * config/sh/symbian.c: Replace uses of DECL_INLINE with
        DECL_DECLARED_INLINE_P.

2009-01-09  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/38347
        * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
        GET_MODE (op0) in operand_subword_force calls.

        PR middle-end/38771
        * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
        fold_convert arg0 operands to TREE_TYPE (op0) first.

2009-01-08  Vladimir Makarov  <vmakarov@redhat.com>

        * params.def (ira-max-conflict-table-size): Decrease default value
        to 1000.

2009-01-08  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/37031
        * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
        on parameter_set.
        (build_access_matrix): Reserve correct size for AM_MATRIX vector,
        allocate it using gc instead of heap, use VEC_quick_push instead of
        VEC_safe_push.
        * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
        instead of heap, use VEC_quick_push instead of VEC_safe_push.
        * tree-data-ref.h (struct access_matrix): Change matrix to gc
        allocated vector from heap allocated.
        * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
        * tree-loop-linear.c (linear_transform_loops): Allocate nest
        vector only after perfect_loop_nest_depth call.

2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
            Jan Sjodin  <jan.sjodin@amd.com>

        PR tree-optimization/38559
        * graphite.c (debug_value, copy_constraint,
        swap_constraint_variables, scale_constraint_variable, ): New.
        (get_lower_bound, get_upper_bound): Removed.
        (graphite_trans_bb_strip_mine): Clean up this code that works
        only for constant number of iterations.  Fully copy upper and
        lower bound constraints, not only the constant part of them.
        * graphite.h (debug_value): Declared.

2009-01-08  Ira Rosen  <irar@il.ibm.com>

        PR tree-optimization/37194
        * tree-vect-transform.c (vect_estimate_min_profitable_iters):
        Don't add the cost of cost model guard in prologue to scalar
        outside cost in case of known number of iterations.

2009-01-07  Nathan Froyd  <froydnj@codesourcery.com>
            Alan Modra  <amodra@bigpond.net.au>

        * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
        non-word-aligned REG+CONST addressing.

2009-01-07  Uros Bizjak  <ubizjak@gmail.com>

        PR target/38706
        * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
        free_after_compilation when outputting a thunk.
        (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
        Do not call free_after_compilation here.

2009-01-07  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
        (ix86_valid_target_attribute_inner_p): Ditto.

2009-01-07  Jan Sjodin  <jan.sjodin@amd.com>

        PR tree-optimization/38492
        PR tree-optimization/38498
        * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
        * tree-chrec.h (scev_is_linear_expression): Declared.
        * graphite.c (graphite_cannot_represent_loop_niter): New.
        (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
        (graphite_loop_normal_form): Use gcc_assert.
        (scan_tree_for_params): Use CASE_CONVERT.
        (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
        (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
        Use gcc_assert.  Discard scops that contain unhandled cases.
        (build_scop_conditions): Return a boolean status for unhandled cases.
        (strip_mine_profitable_p): Print the loop number, not its depth.
        (is_interchange_valid): Pass the depth of the loop nest, don't
        recompute it wrongly.
        (graphite_trans_bb_block): Same.
        (graphite_trans_bb_block): Print tentative of loop blocking.
        (graphite_trans_scop_block): Do not print that the loop has been
        blocked.
        (graphite_transform_loops): Do not handle scops that contain condition
        scalar phi nodes.

2009-01-07  H.J. Lu  <hongjiu.lu@intel.com>

        AVX Programming Reference (December, 2008)
        * config/i386/avxintrin.h (_mm256_stream_si256): New.
        (_mm256_stream_pd): Likewise.
        (_mm256_stream_ps): Likewise.

        * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
        IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
        (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
        (bdesc_special_args): Add __builtin_ia32_movntdq256,
        __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
        (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
        (ix86_expand_special_args_builtin): Likewise.

        * config/i386/sse.md (AVXMODEDI): New.
        (avx_movnt<mode>): Likewise.
        (avx_movnt<mode>): Likewise.
        (<sse>_movnt<mode>): Remove AVX support.
        (sse2_movntv2di): Likewise.

2009-01-07  Richard Guenther  <rguenther@suse.de>

        PR middle-end/38751
        * fold-const.c (extract_muldiv): Remove obsolete comment.
        (fold_plusminus_mult_expr): Undo MINUS_EXPR
        to PLUS_EXPR canonicalization for the canonicalization.

2009-01-07  Gerald Pfeifer  <gerald@pfeifer.com>

        * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
        hosted cross-compilers generating less efficient code.

2009-01-06  Richard Sandiford  <rdsandiford@googlemail.com>

        * function.h (rtl_data): Add a dbr_scheduled_p field.
        * reorg.c (dbr_schedule): Set it.
        (gate_handle_delay_slots): Check it.
        * config/mips/mips.c (mips_base_delayed_branch): Delete.
        (mips_reorg): Check flag_delayed_branch instead of
        mips_base_delayed_branch.
        (mips_override_options): Don't set mips_base_delayed_branch
        or flag_delayed_branch.

2009-01-06  Richard Sandiford  <rdsandiford@googlemail.com>

        PR rtl-optimization/38426.
        * ira.c (ira): Set current_function_is_leaf earlier.

2009-01-06  Jakub Jelinek  <jakub@redhat.com>

        PR rtl-optimization/38722
        * combine.c (try_combine): Don't modify PATTERN (i3) and notes
        too early, only set a flag and modify after last possible
        undo_all point.

2009-01-06  Janis Johnson  <janis187@us.ibm.com>

        PR c/34252
        * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
        * real.c (decimal_single_format): Correct values of emin and emax.
        (decimal_double_format): Ditto.
        (decimal_quad_format): Ditto.
        * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
        computation of DECnn_MIN and DECnn_MAX for corrected values of
        emin and emax.  Define __DECnn_SUBNORMAL_MIN__ instead of
        __DECnn_MIN__, and adjust its computation for the corrected value
        of emin.

2009-01-06  Jan Hubicka  <jh@suse.cz>

        PR target/38744
        * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.

2009-01-06  Gerald Pfeifer  <gerald@pfeifer.com>

        * doc/contrib.texi (Contributors): Slightly adjust the end note.
        Add Robert Clark to the list of testers.

2009-01-06  Jan Hubicka  <jh@suse.cz>
            Kai Tietz  <kai.tietz@onevision.com>

        * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
        * config/i386/i386.c (ix86_expand_call): Add clobbers.

2009-01-06  Jan Hubicka  <jh@suse.cz>
            Kai Tietz  <kai.tietz@onevision.com>

        * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
        for w64 ABI.
        * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
        (ix86_nsaved_regs): Count only general purpose regs.
        (ix86_nsaved_sseregs): New.
        (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
        to 16 for w64; compute padding and size of sse reg save area.
        (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
        general purpose regs.
        (ix86_emit_save_sse_regs_using_mov): New.
        (ix86_expand_prologue): Save SSE regs if needed.
        (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
        (ix86_emit_restore_sse_regs_using_mov): New.
        (ix86_expand_epilogue): Save SSE regs if needed.

2009-01-06  Jan Hubicka  <jh@suse.cz>
            Kai Tietz  <kai.tietz@onevision.com>

        * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
        * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
        functions when accumulate outgoing args is off.

2009-01-06  H.J. Lu  <hongjiu.lu@intel.com>

        PR bootstrap/38742
        * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
        before using pseudos_have_intersected_live_ranges_p.

        * ira-int.h (ira_assert): Always define.

2009-01-06  H.J. Lu  <hongjiu.lu@intel.com>

        AVX Programming Reference (December, 2008)
        * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
        (_mm256_permute2_pd): Likewise.
        (_mm_permute2_ps): Likewise.
        (_mm256_permute2_ps): Likewise.
        * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
        * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.

        * config/i386/i386.c (ix86_builtins): Remove
        IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
        IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
        (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
        V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
        and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
        (bdesc_args): Remove __builtin_ia32_vpermil2pd,
        __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
        __builtin_ia32_vpermil2ps256.
        (ix86_init_mmx_sse_builtins): Updated.
        (ix86_expand_args_builtin): Likewise.

2009-01-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        * pa.c (output_call): Relocate non-jump insns in the delay slot of
        long absolute calls when generating PA 2.0 code.

2009-01-05  Vladimir Makarov  <vmakarov@redhat.com>

        PR rtl-optimization/38583
        * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.

        * params.def (ira-max-conflict-table-size): New.

        * doc/invoke.texi (ira-max-conflict-table-size): Decribe.

        * ira.h (ira_conflicts_p): New external definition.

        * ira-conflicts.c (build_conflict_bit_table): Do not build too big
        table.  Report this.  Return result of building.
        (ira_build_conflicts): Use ira_conflicts_p.  Check result of
        building conflict table.

        * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
        (ira_color): Use ira_conflicts_p.

        * global.c: Include ira.h.
        (pseudo_for_reload_consideration_p, build_insn_chain): Use
        ira_conflicts_p.

        * Makefile.in (global.o): Add ira.h.

        * ira-build.c (mark_all_loops_for_removal,
        propagate_some_info_from_allocno): New.
        (remove_unnecessary_allocnos): Call
        propagate_some_info_from_allocno.
        (remove_low_level_allocnos): New.
        (remove_unnecessary_regions): Add parameter.  Call
        mark_all_loops_for_removal and remove_low_level_allocnos.  Pass
        parameter to remove_unnecessary_regions.
        (ira_build): Remove all regions but root if the conflict table was
        not built.  Update conflict hard regs for allocnos crossing calls.

        * ira.c (ira_conflicts_p): New global.
        (ira): Define and use ira_conflicts_p.

        * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
        count_spilled_pseudo, find_reg, alter_reg, finish_spills,
        emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.

2009-01-06  Ben Elliston  <bje@au.ibm.com>

        * gengtype-lex.l (YY_NO_INPUT): Define.

2009-01-05  Andrew Pinski  <andrew_pinski@playstation.sony.com>

        PR c/34911
        * c-common.c (handle_vector_size_attribute): Also reject
        BOOLEAN_TYPE types.

2009-01-05  Sebastian Pop  <sebastian.pop@amd.com>

        PR tree-optimization/38492
        * graphite.c (rename_map_elt, debug_rename_elt,
        debug_rename_map_1, debug_rename_map, new_rename_map_elt,
        rename_map_elt_info, eq_rename_map_elts,
        get_new_name_from_old_name, bb_in_sese_p): Moved around.
        (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
        (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
        (sese_build_livein_liveouts): New.
        (new_sese, free_sese): New.
        (new_scop): Call new_sese.
        (free_scop): Call free_sese.
        (rename_variables_from_edge, rename_phis_end_scop): Removed.
        (register_old_new_names): Renamed register_old_and_new_names.
        (register_scop_liveout_renames, add_loop_exit_phis,
        insert_loop_close_phis, struct igp,
        default_liveout_before_guard, add_guard_exit_phis,
        insert_guard_phis, copy_renames): New.
        (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
        (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
        (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
        (scop_adjust_phis_for_liveouts): New.
        (gloog): Call scop_adjust_phis_for_liveouts.

        * graphite.h (struct sese): Documented.  Added fields liveout,
        num_ver and livein.
        (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
        (new_sese, free_sese, sese_build_livein_liveouts): Declared.
        (struct scop): Added field liveout_renames.
        (SCOP_LIVEOUT_RENAMES): New.

2009-01-05  Harsha Jagasia  <harsha.jagasia@amd.com>

        PR tree-optimization/38510
        * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
        (translate_clast): Call recompute_all_dominators before
        graphite_verify.
        (gloog): Call recompute_all_dominators before graphite_verify.

2009-01-05  Harsha Jagasia  <harsha.jagasia@amd.com>
            Jan Sjodin  <jan.sjodin@amd.com>

        PR tree-optimization/38500
        * graphite.c (create_sese_edges): Call fix_loop_structure after
        splitting blocks.

2009-01-05  Joel Sherrill  <joel.sherrill@oarcorp.com>

        * config.gcc: Add m32r*-*-rtems*.
        * config/m32r/rtems.h: New file.

2009-01-05  Ben Elliston  <bje@au.ibm.com>

        * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
        (.po.pox): Likewise.
        (po/gcc.pot): Likewise.

2009-01-04  David S. Miller  <davem@davemloft.net>

        * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
        (STARTING_FRAME_OFFSET): Always set to zero.

2009-01-04  Richard Sandiford  <rdsandiford@googlemail.com>

        * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
        * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
        fixed-point types, and vectors of the same.

2009-01-04  Richard Sandiford  <rdsandiford@googlemail.com>

        * config/mips/sync.md (*mb_barrier): Rename to...
        (*memory_barrier): ...this.

2009-01-04  Jonathan Wakely  <jwakely.gcc@gmail.com>

        * doc/extend.texi (Function Attributes): Move @cindex after @item
        for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
        and put in alphabetical order. Fix 'target' name and put in order.
        * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
        typos.

2009-01-04  Uros Bizjak  <ubizjak@gmail.com>

        * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
        (memory_barrier): Expand as unspec instead of unspec_volatile.
        Remove mem:BLK from insn operands.  Use Pmode scratch register.
        (*memory_barrier): Define as unspec instead of unspec_volatile.
        Use (match_dup 0) as input operand.

        * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
        * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
        unspec_volatile.  Remove mem:BLK from insn operands.  Use Pmode
        scratch register.  Remove operand 1.
        (*stbar): Define as unspec instead of unspec_volatile.
        Use (match_dup 0) as input operand, remove (const_int 8).
        (*membar): Define as unspec instead of unspec_volatile.
        Use (match_dup 0) as input operand, remove input operand 2.

        * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
        (memory_barrier): Expand as unspec instead of unspec_volatile.
        Remove mem:BLK from insn operands.  Use Pmode scratch register.
        (*memory_barrier): Define as unspec instead of unspec_volatile.
        Use (match_dup 0) as input operand.

        * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
        Remove mem:BLK from insn operands.  Use Pmode scratch register.
        Set volatile flag on operand 0.
        (*memory_barrier): New insn pattern.

        * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
        insn operands.
        (*memory_barrier): Use (match_dup 0) as input operand.

        * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
        Remove mem:BLK from insn operands.  Use Pmode scratch register.
        Set volatile flag on operand 0.
        (*mb_internal): New insn pattern.

        * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.

2009-01-04  Steven Bosscher  <steven@gcc.gnu.org>

        PR middle-end/38586
        * function.c (struct temp_slot): Move to the section of the file
        that deals with temp slots.  Remove field 'address'.
        (temp_slot_address_table): New hash table of address -> temp slot.
        (struct temp_slot_address_entry): New struct, items for the table.
        (temp_slot_address_compute_hash, temp_slot_address_hash,
        temp_slot_address_eq, insert_temp_slot_address): Support functions
        for the new table.
        (find_temp_slot_from_address): Rewrite to use the new hash table.
        (remove_unused_temp_slot_addresses): Remove addresses of temp
        slots that have been made available.
        (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
        worker function for remove_unused_temp_slot_addresses.
        (assign_stack_temp_for_type): Don't clear the temp slot address list.
        Add the temp slot address to the address -> temp slot map.
        (update_temp_slot_address): Update via insert_temp_slot_address.
        (free_temp_slots): Call remove_unused_temp_slot_addresses.
        (pop_temp_slots): Likewise.
        (init_temp_slots): Allocate the address -> temp slot map, or empty
        the map if it is already allocated.
        (prepare_function_start): Initialize temp slot processing.

2009-01-04  Steven Bosscher  <steven@gcc.gnu.org>

        PR middle-end/38584
        * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
        Calculate the size of all stack vars assuming no packing of stack
        vars will happen, replacing a quadratic algorithm with a linear one.

2009-01-03  Jakub Jelinek  <jakub@redhat.com>

        PR target/38707
        * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
        can't be used.

2009-01-03  Diego Novillo  <dnovillo@google.com>

        * doc/contrib.texi: Update contributions.

2009-01-03  Jakub Jelinek  <jakub@redhat.com>

        PR c++/38705
        * builtins.c (fold_builtin_memory_op): Give up if either operand
        is volatile.  Set srctype or desttype to non-qualified version
        of the other type.

        PR c/38700
        * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
        and FUNCTION_DECLs.

2009-01-02  Kenneth Zadeck  <zadeck@naturalbridge.com>

        PR rtl-optimization/35805
        * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
        problem if fast dce is able to remove any instructions.
        * dce.c (dce_process_block): Fix dump message.

2009-01-02  Mark Mitchell  <mark@codesourcery.com>

        PR 33649
        * tree-ssa-pre.c (compute_antic): Correct loop bounds.

2009-01-02  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/38690
        * tree-flow.h (op_code_prio, op_prio): New prototypes.
        * tree-pretty-print.c (op_code_prio): New function.
        (op_prio): No longer static.  Use op_code_prio.
        * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
        Use op_prio and op_code_prio to determine if () should be
        printed around operand(s) or not.

        * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
        dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
        dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
        dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
        pp_character instead of pp_string for single letter printing.

2009-01-02  Richard Sandiford  <rdsandiford@googlemail.com>

        * doc/extend.texi: Fix '#pragma GCC option' typo.

2009-01-02  Richard Guenther  <rguenther@suse.de>

        * doc/install.texi (--enable-checking): Mention different
        default for stage1.
        (--enable-stage1-checking): Document.

2009-01-01  Andrew Pinski  <pinskia@gmail.com>

        PR middle-end/30142
        * tree-cfg.c (verify_expr): Add INDIRECT_REF case.  Change MODIFY_EXPR
        case to be an error.

2009-01-02  Ben Elliston  <bje@au.ibm.com>

        * config/fp-bit.h (pack_d): Constify argument.
        * config/fp-bit.c (makenan): Constify return type. Remove casts.
        (isnan): Constify argument.
        (isinf): Likewise.
        (iszero): Likewise.
        (pack_d): Likewise.
        (_fpadd_parts): Constify return type.
        (_fpmul_parts): Likewise.
        (_fpdiv_parts): Likewise.

2009-01-01  Jakub Jelinek  <jakub@redhat.com>

        PR c/36489
        * c-typeck.c (add_pending_init): Add IMPLICIT argument.  Only
        warn about overwriting initializer with side-effects or
        -Woverride-init if !IMPLICIT.
        (output_init_element): Likewise.  Pass IMPLICIT down to
        add_pending_init.
        (process_init_element): Add IMPLICIT argument.  Pass it down
        to output_init_element.
        (push_init_element, pop_init_level, set_designator): Adjust
        process_init_element callers.
        (set_nonincremental_init, set_nonincremental_init_from_string):
        Adjust add_pending_init callers.
        (output_pending_init_elements): Adjust output_init_element callers.
        * c-tree.h (process_init_element): Adjust prototype.
        * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
        process_init_element callers.

\f
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are permitted in any medium without royalty provided the copyright
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