* fortran/trans-types.c (gfc_get_nodesc_array_type): Don't

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

2008-10-10  Alexandre Oliva  <aoliva@redhat.com>

        * fortran/trans-types.c (gfc_get_nodesc_array_type): Don't
        vary types depending on debug info.

2008-10-10  Alexandre Oliva  <aoliva@redhat.com>

        * c-gimplify.c (c_genericize): Don't refer to DECL_ASSEMBLER_NAME
        before ensuring it's already computed.

2008-10-09  Jakub Jelinek  <jakub@redhat.com>

        * rtl.h (locator_eq): New decl.
        * cfglayout.c (locator_scope): New function.
        (insn_scope): Use it.
        (locator_eq): New function.
        (fixup_reorder_chain): Search for last insn in src bb
        that has locator set or first insn in dest bb.  Use
        locator_eq instead of == to compare locators.
        * cfgrtl.c (cfg_layout_merge_blocks): Likewise.
        * cfgcleanup.c (try_forward_edges): Use locator_eq instead of
        == to compare locators.

        * tree-ssa-live.c (remove_unused_locals): Mark all edge's goto_block
        as used.
        * gimple-low.c (lower_function_body, lower_gimple_return,
        lower_builtin_setjmp): Set gimple_block on the newly created stmts.
        * tree-cfg.c (make_cond_expr_edges, make_goto_expr_edges): Only set
        goto_block on edges if goto_locus is known.

        PR middle-end/37774
        * tree.h (get_object_alignment): Declare.
        * emit-rtl.c (set_mem_attributes_minus_bitpos): Call
        get_object_alignment if needed.
        * builtins.c (get_pointer_alignment): Move ADDR_EXPR operand handling
        to ...
        (get_object_alignment): ... here.  New function.  Try harder to
        determine alignment from get_inner_reference returned offset.

2008-10-08  Jakub Jelinek  <jakub@redhat.com>

        * graphite.c (gloog): Don't call find_unreachable_blocks
        before delte_unreachable_blocks.

        * cfgexpand.c (expand_gimple_cond): Convert also goto_block and
        goto_locus of true_edge into RTL locator.

2008-10-08  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.md (*jcc_btdi_rex64): Clobber FLAGS_REG.
        (*jcc_btdi_mask_rex64): Ditto.
        (*jcc_btsi): Ditto.
        (*jcc_btsi_mask): Ditto.
        (*jcc_btsi_1): Ditto.
        (*jcc_btsi_mask_1): Ditto.

2008-10-08  Paul Brook  <paul@codesourcery.com>

        * config/arm/bpabi.h (ARM_FUNCTION_PROFILER): Define new EABI
        compatible profiler (__gnu_mcount_nc).
        (SUBTARGET_FRAME_POINTER_REQUIRED): Define.

2008-10-08  H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/i386.c (initial_ix86_tune_features): Add
        X86_TUNE_USE_VECTOR_FP_CONVERTS.
        * config/i386/i386.h (ix86_tune_indices): Likewise.
        (TARGET_USE_VECTOR_FP_CONVERTS): New.

        * config/i386/i386.md: Check TARGET_USE_VECTOR_FP_CONVERTS
        instead of (TARGET_USE_VECTOR_CONVERTS || TARGET_GENERIC)
        for FP to FP splitters.

2008-10-08  H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/i386.md: Add missing gen_sse2_cvtdq2p to convert
        splitter.

2008-10-08  Jakub Jelinek  <jakub@redhat.com>

        PR target/36635
        PR target/37290
        PR rtl-optimization/37341
        * cse.c (cse_cc_succs): Add ORIG_BB argument, don't follow edges
        to ORIG_BB, pass through ORIG_BB recursively.
        (cse_condition_code_reg): Adjust caller.

2008-10-08  Kai Tietz  <kai.tietz@onevision.com>

        * sdbout.c (sdbout_one_type): Treat the value type
        CONST_DECL for enumerals.

2008-10-07  H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/i386.md: Remove trailing white spaces.

2008-10-07  Kenneth Zadeck <zadeck@naturalbridge.com>

        PR rtl-optimization/37448
        * alloc-pool.c (struct alloc_pool_descriptor) [elt_size]: New field.
        (stuct alloc_pool_descriptor) [created, allocated, current, peak]:
        Make unsigned long.
        (struct output_info) [count]: Renamed total_created and made
        unsigned long.
        (struct output_info) [size]: Renamed total_allocated and made
        unsigned long.
        (create_alloc_pool, empty_alloc_pool, pool_alloc, pool_free):
        Properly keep track of desc->size.
        (print_statistics, dump_alloc_pool_statistics): Enhance the
        printing of statistics to print the number of elements and to use
        unsigned longs.
        
2008-10-07  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/37576
        * opts.h (CL_SAVE): Move up to flags range.
        (CL_PARAMS, CL_WARNING, CL_OPTIMIZATION, CL_TARGET,
        CL_COMMON): Renumber.
        (CL_MIN_OPTION_CLASS): Set to CL_PARAMS.
        * opts.c (common_handle_option): Revert last change.

2008-10-07  H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/i386-protos.h (ix86_schedule): New.

        * config/i386/i386.c (ix86_schedule): New.
        (override_options): Add schedule to processor_alias_table.  Set
        ix86_schedule from the schedule field in processor_alias_table.
        (ix86_function_specific_save): Save ix86_schedule.
        (ix86_function_specific_restore): Restore ix86_schedule.

        * config/i386/i386.md (cpu): Map to ix86_schedule instead of
        ix86_tune.  Add none and remove i386, i486, pentium4, nocona
        and generic32.

        * config/i386/i386.opt: Add schedule.

        * config/i386/ppro.md: Remove generic32.

2008-10-07  Simon Martin  <simartin@users.sourceforge.net>

        PR c/35437
        * expr.c (count_type_elements): Handle ERROR_MARK.

2008-10-07  Jakub Jelinek  <jakub@redhat.com>

        PR debug/29609
        PR debug/36690
        PR debug/37616
        * basic-block.h (struct edge_def): Add goto_block field.
        * cfglayout.c (fixup_reorder_chain): Ensure that there is at least
        one insn with locus corresponding to edge's goto_locus if !optimize.
        * profile.c (branch_prob): Copy edge's goto_block.
        * cfgrtl.c (force_nonfallthru_and_redirect): Use goto_locus for
        emitted jumps.
        (cfg_layout_merge_blocks): Emit a nop with edge's goto_locus
        locator in between the merged basic blocks if !optimize and needed.
        * cfgexpand.c (expand_gimple_cond): Convert goto_block and
        goto_locus into RTL locator.  For unconditional jump use that
        locator for the jump insn.
        (expand_gimple_cond): Convert goto_block and goto_locus into
        RTL locator for all remaining edges.  For unconditional jump
        use that locator for the jump insn.
        * cfgcleanup.c (try_forward_edges): Avoid the optimization if
        there is more than one edge or insn locator along the forwarding
        edges and !optimize.  If there is just one, set e->goto_locus.
        * tree-cfg.c (make_cond_expr_edges, make_goto_expr_edges): Set also
        edge's goto_block.
        (move_block_to_fn): Adjust edge's goto_block.

2008-10-07  H.J. Lu  <hongjiu.lu@intel.com>

        PR middle-end/37731
        * expmed.c (expand_mult): Properly check DImode constant in
        CONST_DOUBLE.

2008-10-07  Jakub Jelinek  <jakub@redhat.com>

        PR debug/37738
        * dwarf2out.c (common_block_die_table): New variable.
        (common_block_die_table_hash, common_block_die_table_eq): New
        functions.
        (gen_variable_die): Look up a DW_TAG_common_block die for a particular
        COMMON block in the current scope rather than globally.  Optimize
        DW_OP_addr SYMBOL_REF DW_OP_plus_uconst off into
        DW_OP_addr SYMBOL_REF+off.

2008-10-07  Eric Botcazou  <ebotcazou@adacore.com>

        * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p) <VIEW_CONVERT_EXPR>:
        Return true for non-addressable GIMPLE operands.

2008-10-07  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/24765
        * config/i386/i386.c (initial_ix86_tune_features): Remove
        X86_TUNE_USE_BIT_TEST.
        * config/i386/i386.h (ix86_tune_indices): Likewise.
        (TARGET_USE_BIT_TEST): Removed.

2008-10-07  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>

        * config.gcc (arm*-*-*): Add aapcs-linux to supported ABIs.

2008-10-06  Adam Nemet  <anemet@caviumnetworks.com>

        * config/mips/mips.md (mulsi3_mul3, muldi3_mul3): Merge these ...
        (mul<mode>3_mul3): ... into this new template.

2008-10-06  Aldy Hernandez  <aldyh@redhat.com>

        * gimplify.c (gimplify_arg): Add location argument.  Use it.
        (gimplify_call_expr): Pass location to gimplify_arg.
        (gimplify_modify_expr_to_memcpy): Same.
        (gimplify_modify_expr_to_memset): Same.

2008-10-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>

        * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
        Update calls to build_unary_op and build_indirect_ref for location
        changes.

2008-10-06  Aldy Hernandez  <aldyh@redhat.com>

        build_modify_expr.
        * c-decl.c (finish_decl): Pass input_location to build_unary_op.
        * c-typeck.c (array_to_pointer_conversion): Pass location to
        build_unary_op.
        (function_to_pointer_conversion): Use error_at and warning_at.
        (build_indirect_ref): Same.
        (build_array_ref): Pass location to build_binary_op.
        (parser_build_unary_op): Do not set location after calling
        build_unary_op.
        (build_unary_op): Add location argument.  Use it throughout.  Set
        EXPR_LOCATION before returning new tree.
        (build_modify_expr): Same.
        (build_binary_op): Use location throughout.  Set EXPR_LOCATION before
        returning node.
        * c-omp.c (c_finish_omp_atomic): Pass location to build_unary_op,
        build_indirect_ref, build_modify_expr.
        (c_finish_omp_for): Same.  Use error_at instead of error.
        * c-common.c (c_common_truthvalue_conversion): Pass location to
        build_unary_op.
        (warn_for_div_by_zero): Add location argument.
        * c-common.h: Add argument to build_modify_expr, build_indirect_ref,
        build_unary_op, warn_for_div_by_zero.
        * c-parser.c (c_parser_typeof_specifier): Use
        protected_set_expr_location.
        (c_parser_statement_after_labels): Same.
        (c_parser_condition): Same.
        (c_parser_expr_no_commas): Pass correct location to build_modify_expr.
        (c_parser_conditional_expression): Use protected_set_expr_location.
        (c_parser_unary_expression): Pass location to build_indirect_ref.
        (c_parser_postfix_expression_after_primary): Pass location to
        build_indirect_ref, build_unary_op.
        (c_parser_omp_for_loop): Set the increment expression's EXPR_LOCATION.

2008-10-06  Joshua Kinard  <kumba@gentoo.org>

        * doc/invoke.texi: List r1x000 family under the -march MIPS option.
        * config/mips/mips.h (PROCESSOR_R10000): New processor_type.
        * config/mips/mips.c (mips_cpu_info_table): Add r10000, r12000,
        r14000 and r16000.
        (mips_rtx_cost_data): Add a PROCESSOR_R10000 entry.
        (mips_issue_rate): Handle PROCESSOR_R10000.
        * config/mips/mips.md (cpu): Add r10000.
        Include r10000.md.
        * config/mips/10000.md: New file.

2008-10-06  Richard Sandiford  <rdsandiford@googlemail.com>

        * config/rs6000/rs6000-protos.h (rs6000_find_base_term): Declare.
        * config/rs6000/rs6000.h (FIND_BASE_TERM): New macro.
        * config/rs6000/rs6000.c (rs6000_find_base_term): New function.

2008-10-06  Richard Sandiford  <rdsandiford@googlemail.com>

        * config/darwin-protos.h (machopic_function_base_name): Delete.
        (machopic_function_base_sym): Likewise.
        (machopic_gen_offset): Declare.
        * config/darwin.h (MACHOPIC_FUNCTION_BASE_NAME): New macro.
        (ASM_OUTPUT_LABELREF): Use it instead of a hard-coded string constant.
        * config/darwin.c (machopic_function_base_name): Delete.
        (machopic_function_base_sym): Likewise.
        (gen_pic_offset): Rename to...
        (machopic_gen_offset): ...this and remove the pic_base argument.
        Instead use MACHO_DYNAMIC_NO_PIC_P to decide whether a PIC offset
        is needed.  Create an UNSPEC_MACHOPIC_OFFSET if so, and set
        crtl->uses_pic_offset_table.
        (machopic_indirect_data_reference): Use new machopic_gen_offset
        interface.
        (machopic_legitimize_pic_address): Likewise.
        (machopic_operand_p): Check for UNSPEC_MACHOPIC_OFFSET.

        * config/i386/darwin.h (GOT_SYMBOL_NAME): Use
        MACHOPIC_FUNCTION_BASE_NAME instead of machopic_function_base_name.
        * config/i386/i386.c (output_set_got): Likewise.
        (darwin_local_data_pic): Check for an UNSPEC_MACHOPIC_OFFSET
        instead of a MINUS.
        (legitimate_pic_operand_p): Handle UNSPEC_MACHOPIC_OFFSET.
        (legitimate_address_p): Likewise.
        (output_pic_addr_const): Likewise.
        (output_addr_const_extra): Likewise.
        (ix86_delegitimize_address): Expect darwin_local_data_pic to
        match an UNSPEC rather than a MINUS.
        * config/i386/i386.md (UNSPEC_MACHOPIC_OFFSET): Define.
        (builtin_setjmp_receiver): Use machopic_gen_offset.
        * config/i386/predicates.md (pic_symbolic_operand): Handle
        UNSPEC_MACHOPIC_OFFSET.

        * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
        Use machopic_gen_offset and machopic_operand_p.
        (rs6000_output_addr_const_extra): Handle UNSPEC_MACHOPIC_OFFSET.
        (rs6000_emit_prologue): Use MACHOPIC_FUNCTION_BASE_NAME.
        * config/rs6000/rs6000.md (UNSPEC_MACHOPIC_OFFSET): Define.
        (builtin_setjmp_receiver): Use MACHOPIC_FUNCTION_BASE_NAME.
        Set crtl->uses_pic_offset_table.

2008-10-06  Richard Sandiford  <rdsandiford@googlemail.com>

        * config/rs6000/rs6000-protos.h (rs6000_output_addr_const_extra):
        Declare.
        * config/rs6000/rs6000.h (OUTPUT_ADDR_CONST_EXTRA): New macro.
        * config/rs6000/rs6000.md (UNSPEC_TOCREL): New constant.
        * config/rs6000/rs6000.c (constant_pool_expr_1): Delete.
        (constant_pool_expr_p): Use split_const and check the base.
        (toc_relative_expr_p): Likewise, checking for an UNSPEC_TOCREL
        instead of a MINUS.
        (legitimate_constant_pool_address_p): Check toc_relative_p
        instead of constant_pool_expr_p.
        (print_operand_address): Always use output_addr_const for
        constant pool addresses.
        (rs6000_output_addr_const_extra): New function.
        (create_TOC_reference): Create an UNSPEC_TOCREL instead of a MINUS.

2008-10-06  Vladimir Makarov  <vmakarov@redhat.com>

        PR middle-end/37535

        * ira-lives.c (mark_reg_live, mark_reg_dead): New functions.
        (mark_ref_live, mark_ref_dead): Use them.
        (def_conflicts_with_inputs_p): Remove.
        (mark_early_clobbers): New function.
        (process_bb_node_lives): Call preprocess_constraints and
        mark_early_clobbers.

        * doc/rtx.texi (clobber): Change how RA deals with clobbers.

2008-10-06  Danny Smith  <dannysmith@users.sourceforge.net>

        * config/i386/mingw32.h (REAL_LIBGCC_SPEC): Add thread cleanup
        lib with -mthread switch.

2008-10-05  Dodji Seketeli  <dodji@redhat.com>

        PR c++/37410
        * dwarf2out.c (dwarf2out_imported_module_or_decl): Split this
        function in two, making it call a new and reusable
        dwarf2out_imported_module_or_decl() that takes the containing
        BLOCK of the declaration in argument.
        (dwarf2out_imported_module_or_decl_real): New function.
        (decls_for_scope, gen_decl_die, dwarf2out_decl): Take
        IMPORTED_DECL in account.
        * tree.def: Added IMPORTED_DECL node type.
        * tree.h: Added accessors for IMPORTED_DECL nodes.
        * tree.c (init_ttree): Initialise IMPORTED_DECL node type.

2008-10-05  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

        * doc/gimple.texi: Fix some typos, wrap some long lines,
        fix some broken wraps with continuations.
        * tree-ssa-reassoc.c: Fix comment typos.

2000-10-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        PR target/37603
        * pa.c (legitimize_pic_address): Force function labels to memory in
        word mode.

2008-10-04  Anton Blanchard  <anton@samba.org>

        * config/rs6000/rs6000.c (rs6000_emit_sync): Use gen_lwsync().
        (rs6000_split_atomic_op): Same.
        (rs6000_split_compare_and_swap): Same.
        (rs6000_split_compare_and_swapqhi): Same.

2008-10-04  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-sccvn.c (vn_reference_op_eq): Use types_compatible_p
        instead of pointer equality.
        (vn_nary_op_eq): Likewise.

2008-10-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>

        * config/rs6000/rs6000.md (fseldfsf4): Add TARGET_SINGLE_FLOAT 
        condition.
        (fselsfdf4): Make condition on "TARGET_HARD_FLOAT && TARGET_FPRS &&
        TARGET_DOUBLE_FLOAT && TARGET_SINGLE_FLOAT".

2008-10-03  Danny Smith  <dannysmith@users.sourceforge.net>

        * config/i386/winnt.c (i386_pe_strip_name_encoding_full):
        Revert previous change.

2008-10-03  Tom Tromey  <tromey@redhat.com>

        * stringpool.c (ggc_alloc_string): Terminate string.

2008-10-03  Jakub Jelinek  <jakub@redhat.com>

        * gimplify.c (gimplify_function_tree): For -finstrument-functions
        use gimple_bind_{,set_}block instead of gimple_{,set_}block.
        * gimple.h (gimple_bind_set_block): Allow second argument to be NULL.

        PR debug/37726
        * gimplify.c (declare_vars): Use gimple_bind_block instead of
        gimple_block.

2008-10-03  Pascal Obry  <obry@adacore.com>

        * gcov.c (create_file_names): Properly handle UNIX and DOS
        directory separators.
        (make_gcov_file_name): Likewise + convert the ':' DOS drive
        separator to '~' to ensure clean filenames on Windows.

2008-10-02  Danny Smith  <dannysmith@users.sourceforge.net>

        * config/i386/winnt.c (i386_pe_strip_name_encoding_full):
        Add a null terminator to the stripped name.

2008-10-02  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/rs6000.c (USE_FP_FOR_ARG_P): Revert
        TARGET_DOUBLE_FLOAT, TARGET_SINGLE_FLOAT.
        (function_arg_advance): Condition on TARGET_DOUBLE_FLOAT,
        TARGET_SINGLE_FLOAT.  Revert SCALAR_FLOAT_MODE_P condition.
        (function_arg): Condition on TARGET_DOUBLE_FLOAT, TARGET_SINGLE_FLOAT.
        (rs6000_function_value): Revert TARGET_DOUBLE_FLOAT,
        TARGET_SINGLE_FLOAT.

2008-10-02  Daniel Jacobowitz  <dan@codesourcery.com>

        * builtins.c (fold_builtin_pow): Check for 0 ** NEGATIVE.

2008-10-02  Richard Guenther  <rguenther@suse.de>

        PR middle-end/37713
        * tree-ssa.c (useless_type_conversion_p_1): For COMPLEX_TYPE
        and VECTOR_TYPE recurse with useless_type_conversion_p which
        properly handles void pointer conversion.

2008-10-02  Danny Smith  <dannysmith@users.sourceforge.net>  

        PR target/37528
        * config/i386/mingw32.h (LIBGCC_SPEC) : Replace with ..
        (REAL_LIBGCC_SPEC): New.  Always include -lgcc.

2008-10-01  Andrew Pinski  <andrew_pinski@playstation.sony.com>

        * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
        Handle ALTIVEC_BUILTIN_VEC_SPLATS, ALTIVEC_BUILTIN_VEC_PROMOTE,
        ALTIVEC_BUILTIN_VEC_EXTRACT, and ALTIVEC_BUILTIN_VEC_INSERT specially,
        they translate to non builtins.
        * config/rs6000/rs6000.c (altivec_init_builtins): Add new variable
        opaque_ftype_opaque.  Define builtins __builtin_vec_splats,
        __builtin_vec_promote, __builtin_vec_extract, and
        __builtin_vec_insert.
        * config/rs6000/rs6000.h (enum rs6000_builtins): Add
        ALTIVEC_BUILTIN_VEC_EXTRACT, ALTIVEC_BUILTIN_VEC_PROMOTE,
        ALTIVEC_BUILTIN_VEC_INSERT, and ALTIVEC_BUILTIN_VEC_SPLATS.
        * config/rs6000/altivec.h (vec_extract): Define
        (vec_insert): Define.
        (vec_splats): Define.
        (vec_promote): Define.

2008-10-01  Andrew Pinski  <andrew_pinski@playstation.sony.com>
            Yukishige Shibata  <shibata@rd.scei.sony.co.jp>
            Trevor Smigiel  <Trevor_Smigiel@playstation.sony.com>

        * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add Cell
        Altivec intrinsics.
        * config/rs6000/rs6000.c (altivec_expand_lv_builtin): Delete
        prototype.  Add new parameter, blk.
        Use BLKmode for the MEM if blk is true.
        (altivec_expand_builtin): Handle ALTIVEC_BUILTIN_STVLX,
        ALTIVEC_BUILTIN_STVLXL, ALTIVEC_BUILTIN_STVRX, and
        ALTIVEC_BUILTIN_STVRXL.
        Update usage of altivec_expand_lv_builtin.
        Handle ALTIVEC_BUILTIN_LVLX, ALTIVEC_BUILTIN_LVLXL,
        ALTIVEC_BUILTIN_LVRX, and ALTIVEC_BUILTIN_LVRXL.
        (altivec_init_builtins): If compiling for the Cell, also define the
        cell VMX builtins.
        * config/rs6000/rs6000.h (rs6000_builtins): Define
        ALTIVEC_BUILTIN_LVLX, ALTIVEC_BUILTIN_LVLXL, ALTIVEC_BUILTIN_LVRX,
        ALTIVEC_BUILTIN_LVRXL, ALTIVEC_BUILTIN_STVLX, ALTIVEC_BUILTIN_STVLXL,
        ALTIVEC_BUILTIN_STVRX, ALTIVEC_BUILTIN_STVRXL,
        ALTIVEC_BUILTIN_VEC_LVLX, ALTIVEC_BUILTIN_VEC_LVLXL,
        ALTIVEC_BUILTIN_VEC_LVRX, ALTIVEC_BUILTIN_VEC_LVRXL,
        ALTIVEC_BUILTIN_VEC_STVLX, ALTIVEC_BUILTIN_VEC_STVLXL,
        ALTIVEC_BUILTIN_VEC_STVRX, and ALTIVEC_BUILTIN_VEC_STVRXL.
        * config/rs6000/altivec.md (define_constants): Define UNSPEC_LVLX,
        UNSPEC_LVLXL, UNSPEC_LVRX, UNSPEC_LVRXL, UNSPEC_STVLX, UNSPEC_STVLXL,
        UNSPEC_STVRX, and UNSPEC_STVRXL.
        (altivec_lvlx): New pattern.
        (altivec_lvlxl): New pattern.
        (altivec_lvrx): New pattern.
        (altivec_lvrxl): New pattern.
        (altivec_stvlx): New pattern.
        (altivec_stvlxl): New pattern.
        (altivec_stvrx): New pattern.
        (altivec_stvrxl): New pattern.
        * config/rs6000/altivec.h (vec_lvlx): Define if PPU is defined.
        (vec_lvlxl): Likewise.
        (vec_lvrx): Define if PPU is defined.
        (vec_lvrxl): Likewise.
        (vec_stvlx): Define if PPU is defined.
        (vec_stvlxl): Likewise.
        (vec_stvrx): Define if PPU is defined.
        (vec_stvrxl): Likewise.

2008-10-01  Geert Bosch  <bosch@adacore.com>

        * tree.c (contains_placeholder_p): Return 0 for a SAVE_EXPR.

2008-10-01  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/37617
        * tree-ssa-pre.c (create_expression_by_pieces): During FRE
        do not add to the NEW_SETS.

2008-10-01  Richard Guenther  <rguenther@suse.de>

        PR middle-end/37285
        * tree-vrp.c (execute_vrp): If we optimized away the default
        case make sure to promote the label that got in place of it
        to a default case label.

2008-10-01  Richard Henderson  <rth@redhat.com>

        PR tree-opt/35737
        * tree-complex.c (set_component_ssa_name): Don't optimize
        is_gimple_min_invariant values with ssa_names in abnormal phis.

2008-09-30  Paolo Bonzini  <bonzini@gnu.org>

        PR tree-optimization/37662
        * tree-ssa-ccp.c (fold_gimple_assign): Invert the operands of a
        commutative binary operation if they are in the wrong order and
        fold_build2 produces non-GIMPLE.

2008-09-30  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/37662
        PR tree-optimization/37663
        * tree-vrp.c (simplify_truth_ops_using_ranges): Don't call
        get_value_range with non-SSA_NAME.  Don't assert operands have been
        folded, instead just bail out.

2008-09-30  Andrew Pinski  <andrew_pinski@playstation.sony.com>

        * config/rs6000/rs6000.md (fnmadds combiner): Revert typo.

2008-09-30  Richard Guenther  <rguenther@suse.de>

        PR middle-end/37491
        * tree-vect-transform.c (vect_create_data_ref_ptr): Properly
        build restrict-qualified pointers.
        (vectorizable_store): Move alias check later.
        (vectorizable_load): Likewise.

2008-09-30  Paolo Bonzini  <bonzini@gnu.org>

        * c-common.c (empty_if_body_warning): Remove.
        * c-common.h (empty_if_body_warning): Remove.
        * c-parser.c (c_parser_if_body, c_parser_else_body): Implement
        here the -Wempty-body warning for `if' and `else' statements.
        * c-typeck.c (c_finish_if_stmt): Do not call empty_body_warning.

2008-09-29  H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/i386.opt: Add msse2avx.

        * config/i386/linux.h (ASM_SPEC): New.  Support -msse2avx.
        * config/i386/linux64.h (ASM_SPEC): Likewise.

        * doc/invoke.texi: Document -msse2avx.

2008-09-29  Eric Botcazou  <ebotcazou@adacore.com>

        * dwarf2out.c (constant_size): Use HOST_WIDE_INT in parameter type.

2008-09-29  Joseph Myers  <joseph@codesourcery.com>

        * ifcvt.c (noce_emit_store_flag): If using condition from original
        jump, reverse it if if_info->cond was reversed.

2008-09-29  Eric Botcazou  <ebotcazou@adacore.com>

        * expr.c (expand_expr_real_1) <normal_inner_ref>: Force op0 to
        non-constant memory if it cannot be forced to constant memory.
        Overhaul surrounding code and factor out common condition.

2008-09-29  Jeff Law <law@redhat.com>

        * reload1.c (alter_reg): Add missing curly braces.

2008-09-29  Michael J. Eager  <eager@eagercon.com>

        * config/rs6000/predicates.md (easy_fp_constant): Single FP consts
        are easy.
        * config/rs6000/rs6000.c (rs6000_override_options): Move
        rs6000_init_hard_regno_mode_ok after all options changed.
        Set rs6000_single_float, rs6000_double_float if TARGET_HARD_FLOAT.
        (rs6000_handle_option): Process -msingle-float, -mdouble-float,
        -msimple-fpu flags.  Add warning messages if single FP not configured.
        (rs6000_file_start): Output gnu_attribute for single-float.
        (legitimate_lo_sum_address_p): Condition on TARGET_DOUBLE_FLOAT.
        (rs6000_legitimize_address): Likewise.
        (rs6000_legitimize_reload_address): Likewise.
        (rs6000_emit_move): Condition on TARGET_DOUBLE_FLOAT,
        TARGET_SINGLE_FLOAT.
        (function_arg_advance): Likewise (partial conversion).
        (setup_incoming_varargs): Condition on TARGET_DOUBLE_FLOAT.
        (rs6000_gimplify_va_arg): Condition on TARGET_DOUBLE_FLOAT,
        TARGET_SINGLE_FLOAT.
        (rs6000_split_multireg_move): Condition on TARGET_DOUBLE_FLOAT.
        (rs6000_emit_prologue): Likewise.
        (rs6000_function_value): Condition on TARGET_DOUBLE_FLOAT,
        TARGET_SINGLE_FLOAT.
        (rs6000_libcall_value): Likewise.
        * config/rs6000/rs6000.h (TARGET_SINGLE_FLOAT): New default to 1.
        (TARGET_DOUBLE_FLOAT): New default to 1
        (TARGET_SIMPLE_FPU): New default to 0
        (TARGET_SINGLE_FPU): New default to 0
        (TARGET_SINGLE_FLOAT_MODE): New.
        (TARGET_DOUBLE_FLOAT_MODE): New.
        * config/rs6000/singlefp.h: New; redefine TARGET_SINGLE_FLOAT,
        TARGET_DOUBLE_FLOAT, TARGET_SIMPLE_FPU, TARGET_SINGLE_FPU,
        UNITS_PER_FP_WORD
        * config/rs6000/rs6000.md (define_mode_iterator): Condition on
        TARGET_DOUBLE_FLOAT, TARGET_SINGLE_FLOAT.
        (extendsfdf2, extendsfdf2_fpr, truncdfsf2, truncdfsf2_fpr,
        copysigndf3,fseldfsf4, negdf2, negdf2_fpr, absdf2, absdf2_fpr,
        nabsdf2_fpr, adddf3, adddf3_fpr, subdf3, subdf3_fpr, muldf3,
        muldf3_fpr, divdf3, divdf3_fpr, sqrtdf2, smaxdf3, smindf3,
        movdfcc, *fseldfdf4, floatsidf2, *floatsidf2_internal,
        floatunssidf2, *floatunssidf2_internal, fix_truncdfsi2,
        *fix_truncdfsi2_internal, fix_truncdfsi2_internal_gfxopt,
        fix_truncdfsi2_mfpgpr, fctiwz, btruncdf2, ceildf2, floordf2,
        rounddf2, floatdidf2, floatsidf_ppc64_mfpgpr, floatsidf_ppc64,
        floatunssidf_ppc64, fix_truncdfdi2, movdf_hardfloat32,
        movdf_hardfloat64_mfpgpr, movdf_hardfloat64, extenddftf2_fprs,
        extenddftf2_internal, trunctfdf2_internal2, fix_trunc_helper,
        abstf2_internal, movdf_update1, movdf_update2, cmpdf_internal1,
        cmptf_internal1, *cmptf_internal2): Condition on
        TARGET_DOUBLE_FLOAT.
        (aux_truncdfsf2, negsf2, *negsf2, abssf2, *abssf2, addsf3, subsf3,
        mulsf3, divsf3, sqrtsf2, copysignsf3, smaxsf3, sminsf3, movsfcc,
        *fselsfsf4, fixuns_truncsfsi2, fix_truncsfsi2, floatunssisf2,
        btruncsf2, ceilsf2, floorsf2, roundsf2, floatdisf2_internal1,
        floatdisf2_internal2, *movsf_hardfloat, trunctfsf2_fprs,
        *movsf_update1, *movsf_update2, *cmpsf_internal1): Condition on
        TARGET_SINGLE_FLOAT.
        (divsf3, sqrtsf2, divdf3, divdf3_fpr): Condition on TARGET_SIMPLE_FPU.
        * config/rs6000/rs6000.opt (-msingle-float): New.
        (-mdouble-float): New.
        (-msimple-fpu): New.
        * doc/invoke.texi (RS/6000 and PowerPC Options): Add
        -msingle-float, -mdouble-float, -msimple-fpu options.
        * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Set
        _SOFT_DOUBLE for -msingle-float.
        * config.gcc: New config for target=powerpc-xilinx-eabi.

2008-09-29  Tobias Grosser  <grosser@fim.uni-passau.de>

        * graphite.c (dot_all_scops_1): Remove unused checks. SCoPs always
        have exit and entry.
        (new_scop): Take entry and exit edge to define new SCoP.
        (sd_region_p): New structure used during SCoP detection.
        (move_scops): Delete.
        (move_sd_regions): New.
        (scopdet_info): Change the definition from edges back to basic_blocks.
        (scopdet_edge_info):  Work on basic_blocks and rename to
        scopdet_basic_block_info.
        (split_difficult_bb): At the moment removed. We should later
        add it at another place.
        (build_scops_1): Work on basic_blocks.
        (bb_in_sd_region): New.
        (find_single_entry_edge): New.
        (find_single_exit_edge): New.
        (create_single_entry_edge): New.
        (sd_region_without_exit): New.
        (create_single_exit_edge): New.
        (unmark_exit_edges): New.
        (mark_exit_edges): New.
        (create_sese_edges): New.
        (build_graphite_scops): New.
        (build_scops): Make SCoPs SESE.
        (limit_scops): Use the new functions.

2008-09-29  Hans-Peter Nilsson  <hp@axis.com>

        * config/cris/cris.h (IRA_COVER_CLASSES): Define.

2008-09-28  Andrew Pinski  <andrew_pinski@playstation.sony.com>

        PR target/37640
        * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): Force
        address to a register before taking the lower part.

2008-09-28  Kaz Kojima  <kkojima@gcc.gnu.org>

        * config/sh/sh.h (OVERRIDE_OPTIONS): Unset flag_dwarf2_cfi_asm
        for SHmedia.

2008-09-28  Andrew Pinski  <andrew_pinski@playstation.sony.com>
            Kaushal Kantawala  <kaushal_kantawala@playstation.sony.com>

        PR tree-opt/36891
        * tree-ssa-loop-im.c (rewrite_reciprocal): Set DECL_GIMPLE_REG_P on
        the newly created variable.
        Create a VECTOR_CST of all 1s for vector types.

2008-09-28  Eric Botcazou  <ebotcazou@adacore.com>

        PR middle-end/36575
        * fold-const.c (div_and_round_double) <ROUND_DIV_EXPR>: Fix typo.

2008-09-28  Eric Botcazou  <ebotcazou@adacore.com>

        * expmed.c (store_fixed_bit_field): Always use convert_to_mode in
        order to convert between modes.
        (extract_bit_field_1): Test TRULY_NOOP_TRUNCATION on the right mode.

2008-09-27  Kaz Kojima  <kkojima@gcc.gnu.org>

        * config/sh/sh.c (sh_gimplify_va_arg_expr): Use VIEW_CONVERT_EXPR
        if needed.

2008-09-26  Vladimir Makarov  <vmakarov@redhat.com>

        Revert:
        2008-09-25  Vladimir Makarov  <vmakarov@redhat.com>
        * ira-lives.c:...
        * doc/rtl.texi:...

2008-09-26  Adam Nemet  <anemet@caviumnetworks.com>

        * config/mips/mips.h (ISA_HAS_DMUL3, ISA_HAS_BADDU, ISA_HAS_BBIT,
        ISA_HAS_CINS, ISA_HAS_EXTS, ISA_HAS_SEQ_SNE, ISA_HAS_POP): Change
        them to yield false with MIPS16.

2008-09-26  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/37275
        * dwarf2out.c (tls_mem_loc_descriptor): New function.
        (mem_loc_descriptor): Use it for MEM.  For PLUS fail if second
        mem_loc_descriptor failed.  Accept UNSPEC.
        (loc_descriptor): Use tls_mem_loc_descriptor for MEM.  For PARALLEL
        fail if one of the loc_descriptor calls for pieces failed.
        (loc_descriptor_from_tree_1): Handle even DECL_EXTERNAL __thread vars,
        as long as they bind locally.  For COMPONENT_REF, ARRAY_REF etc. fail
        if loc_descriptor_from_tree_1 on offset failed.

        PR middle-end/37576
        * opts.c (common_handle_option): Don't call print_specific_help with
        CL_SAVE as first argument.

2008-09-26  Peter O'Gorman  <pogma@thewrittenword.com>
            Steve Ellcey  <sje@cup.hp.com>

        * configure: Regenerate for new libtool.
        * aclocal.m4: Ditto.

2008-09-26  Pat Haugen  <pthaugen@us.ibm.com>

        * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Use correct
        alias set on MEM when saving stack pointer.
        * config/rs6000/rs6000.md (allocate_stack): Likewise

2008-09-26  Dorit Nuzman  <dorit@il.ibm.com>

        PR tree-optimization/37574
        * tree-vectorizer.c (vect_is_simple_use): Fix indentation.
        * tree-vect-transform.c (vect_get_constant_vectors): Use vectype
        instead of vector_type for constants. Take computation out of loop.
        (vect_get_vec_def_for_operand): Use only vectype for constant case,
        and use only vector_type for invariant case.
        (get_initial_def_for_reduction): Use vectype instead of vector_type.

2008-09-25  Jakub Jelinek  <jakub@redhat.com>

        PR c/37645
        * c-common.c (handle_weakref_attribute): Ignore the attribute unless
        the decl is a VAR_DECL or FUNCTION_DECL.

2008-09-25  Vladimir Makarov  <vmakarov@redhat.com>

        PR middle-end/37535
        * ira-lives.c (mark_reg_live, mark_reg_dead): New functions.
        (mark_ref_live, mark_ref_dead): Use them.
        (def_conflicts_with_inputs_p): Remove.
        (mark_early_clobbers): New function.
        (process_bb_node_lives): Call preprocess_constraints and
        mark_early_clobbers.

        * doc/rtl.texi (clobber): Change how RA deals with clobbers.

2008-09-25  Vladimir Makarov  <vmakarov@redhat.com>

        PR middle-end/37448
        * ira-int.h (IRA_ALLOCNO_TEMP): Rename to ALLOCNO_TEMP.
        (ira_compress_allocno_live_ranges): New prototype.

        * ira-color.c: Rename IRA_ALLOCNO_TEMP to ALLOCNO_TEMP.
        (coalesced_allocnos_living_at_program_points): New.
        (coalesced_allocnos_live_at_points_p,
        set_coalesced_allocnos_live_points): New functions.
        (coalesce_spill_slots): Rewrite.
        
        * ira-lives.c (remove_some_program_points_and_update_live_ranges,
        ira_compress_allocno_live_ranges): New functions.

        * ira-build.c (ira_flattening): Call
        ira_compress_allocno_live_ranges.
        (ira_build): Ditto.

2008-09-25  H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/i386.md: Check cmp/branch fuse for cmp peephole
        optimization.

2008-09-25  Richard Sandiford  <rdsandiford@googlemail.com>

        * combine.c (make_compound_operation): Handle the 'E' format.
        (count_rtxs): Likewise.
        (update_table_tick): Likewise.
        (get_last_value_validate): Likewise.

2008-09-25  Eric Botcazou  <ebotcazou@adacore.com>

        * dbxout.c (dbxout_parms): Fetch the inner REG inside a PARALLEL.

2008-09-25 Sergei Dyshel <sergeid@il.ibm.com>

        * matrix-reorg.c (transform_allocation_sites): Initializers 
        added to avoid the warning.

2008-09-25  Martin Jambor  <mjambor@suse.cz>

        * cgraph.c (free_nodes): New variable.
        (NEXT_FREE_NODE): New macro.
        (cgraph_create_node): Reuse nodes from the free list.  Do not
        update uid if doing so.
        (cgraph_remove_node): Add the node to the free list.

2008-09-25  Gerald Pfeifer  <gerald@pfeifer.com>

        * config/freebsd.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.

2008-09-24  Richard Henderson  <rth@redhat.com>

        * dwarf2.h (DW_OP_GNU_encoded_addr): New.
        * unwind-dw2.c (execute_stack_op): Handle it.

2008-09-24  David Edelsohn  <edelsohn@gnu.org>

        Revert:
        2008-09-24  Michael J. Eager  <eager@eagercon.com>

2008-09-24  Aldy Hernandez  <aldyh@redhat.com>

        * c-common.c (fname_decl): New location argument.
        * c-common.h (fname_decl): Same.
        * c-parser.c (c_lex_one_token): Use {warning,error}_at instead of
        {warning,error}.
        (c_parser_typeof_specifier): Same.
        (c_parser_parms_list_declarator): Same.
        (c_parser_asm_string_literal): Same.
        (c_parser_compound_statement_nostart): Same.
        (c_parser_label): Same.
        (c_parser_do_statement): Same.
        (c_parser_asm_statement): Same.
        (c_parser_unary_expression): Same.
        (c_parser_sizeof_expression): Same.
        (c_parser_postfix_expression): Same.
        (c_parser_pragma): Same.
        (c_parser_omp_clause_collapse): Same.
        (c_parser_omp_clause_num_threads): Same.
        (c_parser_omp_clause_schedule): Same.
        (c_parser_omp_all_clauses): Same.
        (c_parser_omp_sections_scope): Same.
        (c_parser_omp_for_loop): Same.  Pass condition's location to
        c_objc_common_truthvalue_conversion.
        (c_parser_enum_specifier): Remove comment.

2008-09-24  Michael J. Eager  <eager@eagercon.com>

        * config/rs6000/predicates.md (easy_fp_constant): Single FP consts
        are easy.
        * config/rs6000/rs6000.c (rs6000_override_options): Move
        rs6000_init_hard_regno_mode_ok after all options changed.
        Set rs6000_single_float, rs6000_double_float if TARGET_HARD_FLOAT.
        (rs6000_handle_option): Process -msingle-float, -mdouble-float,
        -msimple-fpu flags.  Add warning messages if single FP not configured.
        (rs6000_file_start): Output gnu_attribute for single-float.
        (legitimate_lo_sum_address_p): Condition on TARGET_DOUBLE_FLOAT.
        (rs6000_legitimize_address): Likewise.
        (rs6000_legitimize_reload_address): Likewise.
        (rs6000_emit_move): Condition on TARGET_DOUBLE_FLOAT,
        TARGET_SINGLE_FLOAT.
        (function_arg_advance): Likewise.
        (function_arg): Likewise.
        (setup_incoming_varargs): Condition on TARGET_DOUBLE_FLOAT.
        (rs6000_gimplify_va_arg): Condition on TARGET_DOUBLE_FLOAT,
        TARGET_SINGLE_FLOAT.
        (rs6000_split_multireg_move): Condition on TARGET_DOUBLE_FLOAT.
        (rs6000_emit_prologue): Likewise.
        (rs6000_function_value): Condition on TARGET_DOUBLE_FLOAT,
        TARGET_SINGLE_FLOAT.
        (rs6000_libcall_value): Likewise.
        * config/rs6000/rs6000.h (TARGET_SINGLE_FLOAT): New default to 1.
        (TARGET_DOUBLE_FLOAT): New default to 1
        (TARGET_SIMPLE_FPU): New default to 0
        (TARGET_SINGLE_FPU): New default to 0
        (TARGET_SINGLE_FLOAT_MODE): New.
        (TARGET_DOUBLE_FLOAT_MODE): New.
        * config/rs6000/singlefp.h: New; redefine TARGET_SINGLE_FLOAT,
        TARGET_DOUBLE_FLOAT, TARGET_SIMPLE_FPU, TARGET_SINGLE_FPU,
        UNITS_PER_FP_WORD
        * config/rs6000/rs6000.md (define_mode_iterator): Condition on
        TARGET_DOUBLE_FLOAT, TARGET_SINGLE_FLOAT.
        (extendsfdf2, extendsfdf2_fpr, truncdfsf2, truncdfsf2_fpr,
        copysigndf3,fseldfsf4, negdf2, negdf2_fpr, absdf2, absdf2_fpr,
        nabsdf2_fpr, adddf3, adddf3_fpr, subdf3, subdf3_fpr, muldf3,
        muldf3_fpr, divdf3, divdf3_fpr, sqrtdf2, smaxdf3, smindf3,
        movdfcc, *fseldfdf4, floatsidf2, *floatsidf2_internal,
        floatunssidf2, *floatunssidf2_internal, fix_truncdfsi2,
        *fix_truncdfsi2_internal, fix_truncdfsi2_internal_gfxopt,
        fix_truncdfsi2_mfpgpr, fctiwz, btruncdf2, ceildf2, floordf2,
        rounddf2, floatdidf2, floatsidf_ppc64_mfpgpr, floatsidf_ppc64,
        floatunssidf_ppc64, fix_truncdfdi2, movdf_hardfloat32,
        movdf_hardfloat64_mfpgpr, movdf_hardfloat64, extenddftf2_fprs,
        extenddftf2_internal, trunctfdf2_internal2, fix_trunc_helper,
        abstf2_internal, movdf_update1, movdf_update2, cmpdf_internal1,
        cmptf_internal1, *cmptf_internal2): Condition on
        TARGET_DOUBLE_FLOAT.
        (aux_truncdfsf2, negsf2, *negsf2, abssf2, *abssf2, addsf3, subsf3,
        mulsf3, divsf3, sqrtsf2, copysignsf3, smaxsf3, sminsf3, movsfcc,
        *fselsfsf4, fixuns_truncsfsi2, fix_truncsfsi2, floatunssisf2,
        btruncsf2, ceilsf2, floorsf2, roundsf2, floatdisf2_internal1,
        floatdisf2_internal2, *movsf_hardfloat, trunctfsf2_fprs,
        *movsf_update1, *movsf_update2, *cmpsf_internal1): Condition on
        TARGET_SINGLE_FLOAT.
        (divsf3, sqrtsf2, divdf3, divdf3_fpr): Condition on TARGET_SIMPLE_FPU.
        * config/rs6000/rs6000.opt (-msingle-float): New.
        (-mdouble-float): New.
        (-msimple-fpu): New.
        * doc/invoke.texi (RS/6000 and PowerPC Options): Add
        -msingle-float, -mdouble-float, -msimple-fpu options.
        * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Set
        _SOFT_DOUBLE for -msingle-float.
        * config.gcc: New config for target=powerpc-xilinx-eabi.

2008-09-23  Eric Botcazou  <ebotcazou@adacore.com>

        * config/sparc/constraints.md: New file.
        * config/sparc/sparc.md: Include it.
        * config/sparc/sparc-protos.h (memory_ok_for_ldd): Declare.
        (sparc_extra_constraint_check): Delete.
        * config/sparc/sparc.c (register_ok_for_ldd): Minor tweaks.
        (memory_ok_for_ldd): New predicate.
        (sparc_extra_constraint_check): Delete.
        * config/sparc/sparc.h (REG_CLASS_FROM_LETTER): Likewise.
        (CONST_OK_FOR_LETTER_P): Likewise.
        (CONST_DOUBLE_OK_FOR_LETTER_P): Likewise.
        (EXTRA_CONSTRAINT): Likewise.

2008-08-23  Steve Ellcey  <sje@cup.hp.com>

        * regrename.c (do_replace): Copy REG_POINTER value to new reg.

2008-09-23  Richard Sandiford  <rdsandiford@googlemail.com>

        * alias.c (find_base_value): Use FIND_BASE_TERM.
        * doc/tm.texi (FIND_BASE_TERM): Update documentation.

2008-09-23  Richard Sandiford  <rdsandiford@googlemail.com>

        * config/i386/i386.c: Include cselib.h.
        (ix86_pic_register_p): New function.
        (ix86_delegitimize_address): Use it to check for the PIC register.

2008-09-23  Richard Sandiford  <rdsandiford@googlemail.com>

        * doc/tm.texi (FIND_BASE_TERM): Expand documentation.
        * config/i386/i386.c (ix86_find_base_term): Don't check for
        SYMBOL_REF and LABEL_REF.

2008-09-23  Richard Sandiford  <rdsandiford@googlemail.com>

        * config/i386/i386.c (ix86_delegitimize_address): Wrap the
        constant PLUS in a CONST.

2008-09-23  Kai Tietz  <kai.tietz@onevision.com>

        * config/i386/i386.c (ix86_function_ok_for_sibcall): Correct
        check for sibcall support for w64.

2008-09-23  Eric Botcazou  <ebotcazou@adacore.com>

        * c-ppoutput.c (cb_used_define): Do nothing for a builtin node.

2008-09-23  Aldy Hernandez  <aldyh@redhat.com>

        * c-tree.h: Add argument to c_objc_common_truthvalue_conversion,
        parser_build_binary_op.
        * c-decl.c (build_enumerator): Pass location to build_binary_op.
        * c-typeck.c (build_array_ref): Same.
        (parser_build_unary_op): New location argument.
        (pointer_diff): Pass location to build_binary_op,
        c_objc_common_truthvalue_conversion.
        (build_modify_expr): Same.
        (build_unary_op): New location argument.
        (build_binary_op): New location argument.
        (c_objc_common_truthvalue_conversion): Pass location to
        c_*common_truthvalue_conversion.
        * c-convert.c (convert): Same.
        * c-common.c (binary_op_error): New location argument.
        (pointer_int_sum): Pass location to build_binary_op.
        (c_common_truthvalue_conversion): New location argument.
        (warn_for_sign_compare): Same.
        * c-common.h: Add location argument to c_common_truthvalue_conversion,
        binary_op_error, build_binary_op, warn_for_sign_compare.
        * c-parser.c (c_parser_condition): Pass location to
        c_*common_truthvalue_conversion.
        (c_parser_conditional_expression): Save condition's location and pass
        it on down.
        (c_parser_binary_expression): Same, but for the binary operator's
        location.
        (c_parser_omp_for_loop): Pass location to
        c_objc_common_truthvalue_conversion.

2008-09-23  Martin Jambor  <mjambor@suse.cz>

        * cgraph.c (cgraph_free_edge): Use sizeof(*e).
        (cgraph_node_remove_callees): New temporary f.  Hold the next item
        in f when looping.
        (cgraph_node_remove_callers): Likewise.

        * ipa-prop.c (ipa_edge_removal_hook): Use ATTRIBUTE_UNUSED.
        (ipa_node_removal_hook): Likewise.

        * doc/gimple.texi (gimple_copy_call_skip_args): Changed to
        gimple_call_copy_skip_args and moved to the gimple_call section.
        * gimple.c (gimple_copy_call_skip_args): Renamed to
        gimple_call_copy_skip_args.  Changed al users.

2008-09-22  Vladimir Makarov  <vmakarov@redhat.com>

        * ira-color.c (start_allocno_priorities): Rename to
        setup_allocno_priorities.  Use costs and
        ALLOCNO_EXCESS_PRESSURE_POINTS_NUM instead of frequencies and
        range lengths.  Get rid off doubles.
        (ira_fast_allocations): Call start_allocno_priorities.
        
2008-09-22  David Daney  <ddaney@avtrex.com>

        PR target/37593
        * config/mips/mips.h (FUNCTION_PROFILER): Call _mcount via a
        register if TARGET_LONG_CALLS.

2008-09-22  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/37145
        * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Re-enable
        value-numbering union accesses with their offset and size only.
        (visit_reference_op_load): Fix simplification of inserted conversions.
        * tree-ssa-pre.c (find_or_generate_expression): Do not
        recursively generate expressions if running FRE.

2008-09-22  Adam Nemet  <anemet@caviumnetworks.com>

        * config/mips/mips.h (ISA_HAS_BADDU): New macro.
        * config/mips/mips.md (*baddu_si_eb, *baddu_si_el, *baddu_di<mode>):
        New patterns.

2008-09-22  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/37145
        * tree-ssa-pre.c (fully_constant_expression): Simplify builtin calls.
        (phi_translate_1): Constant fold references.

2008-09-22  Ira Rosen  <irar@il.ibm.com>

        PR tree-optimization/37482
        * tree-vectorizer.h (struct _slp_instance): Add new field.
        (SLP_INSTANCE_FIRST_LOAD_STMT): New.
        (get_earlier_stmt): New function.
        * tree-vect-analyze.c (vect_find_first_load_in_slp_instance): New
        function.
        (vect_analyze_slp_instance): Set SLP_INSTANCE_FIRST_LOAD_STMT.
        * tree-vect-transform.c (vect_finish_stmt_generation): Remove the
        asserts that GSI points to the scalar statement being vectorized.
        Set new statement location according to GSI.
        (vect_schedule_slp_instance): Use GSI of
        SLP_INSTANCE_FIRST_LOAD_STMT when vectorizing loads.

2008-09-21  Jan Hubicka  <jh@suse.cz>

        * ipa-cp.c (ipcp_estimate_growth): Check recursive calls.
        (ipcp_insert_stage): Update dead_nodes bitmap.

2008-09-22  Danny Smith  <dannysmith@users.sourceforge.net>

        PR target/37528 
        * config/i386/t-cygming (SHLIB_LC): Remove.
        (SHLIB_LINK): Don't add static objects to SHLIB_IMPLIB
        * config/i386/t-cygwin (SHLIB_LC): Specify all required libraries.

2008-09-22  Hans-Peter Nilsson  <hp@axis.com>

        PR middle-end/37170
        PR middle-end/37280
        * final.c (mark_symbol_ref_as_used): New helper function.
        (output_operand): Instead of just looking inside MEMs for
        SYMBOL_REFs, use new helper function and for_each_rtx.
        * varasm.c (assemble_external): Move #ifndef ASM_OUTPUT_EXTERNAL
        to after weak-handling.  Don't mark decls with TREE_STATIC as weak.
        Make head comment more general.
        * config/darwin.c (machopic_output_indirection): Handle weak
        references here, like in assemble_external.

2008-09-21  Eric Botcazou  <ebotcazou@adacore.com>

        * config/sparc/sparc-protos.h (gen_compare_operator): Declare.
        (sparc_emit_float_lib_cmp): Change return type.
        * config/sparc/sparc.c (gen_compare_reg): Add comment about TFmode.
        (gen_compare_operator): New function.
        (sparc_emit_float_lib_cmp): Return the new operator to be used in
        the comparison sequence.  Minor tweaks.
        * config/sparc/sparc.md (seq, sne, sgt, slt, sge, sle): Assert
        that the final operator and the result of sparc_emit_float_lib_cmp
        match for software TFmode; use emit_insn in lieu of emit_jump_insn.
        (beq, bne, bgt, blt, bge, ble, bunordered, bordered, bungt, bunlt,
        buneq, bunge, bunle, bltgt): Assert that the final operator and the
        result of sparc_emit_float_lib_cmp match for software TFmode.
        (movqicc, movhicc, movsicc, movdicc): Merge into...
        (mov<I:mode>cc): ...this.
        (movsfcc, movdfcc, movtfcc): Merge into...
        (mov<F:mode>cc): ...this.
        (movqi_cc_sp64, movhi_cc_sp64, movsi_cc_sp64, movdi_cc_sp64): Merge
        into...
        (mov<I:mode>_cc_v9): ...this.
        (movdi_cc_sp64_trunc): Delete.
        (movqi_cc_reg_sp64, movhi_cc_reg_sp64, movsi_cc_reg_sp64,
        movdi_cc_reg_sp64): Merge into...
        (mov<I:mode>_cc_reg_sp64): ...this.
        (movsf_cc_sp64): Rename into...
        (movsf_cc_v9): ...this.
        (movdf_cc_sp64): Rename into...
        (movdf_cc_v9): ...this.
        (movtf_cc_hq_sp64): Rename into...
        (movtf_cc_hq_v9): ...this.
        (movtf_cc_sp64): Rename into...
        (movtf_cc_v9): ...this.  Adjust for renaming of movdf_cc_sp64.

2008-09-21  Diego Novillo  <dnovillo@google.com>

        * doc/gccint.texi: Include generic.texi and gimple.texi.
        Re-order index.
        * doc/tree-ssa.texi (GENERIC): Move to generic.texi.
        (GIMPLE): Move to gimple.texi.
        (Annotations): Remove references to to stmt_ann_t and
        ssa_name_ann_t.
        (SSA Operands): Rename from 'Statement Operands'.
        * doc/generic.texi: New.
        * doc/gimple.texi: New.
        * Makefile.in (TEXI_GCCINT_FILES): Add generic.texi and gimple.texi.
        * Makefile.in (TEXI_GCCINT_FILES):
        * gimple.c (gimple_copy_call_skip_args): Rename from
        giple_copy_call_skip_args.  Update all users.
        * doc/gimple.texi (gimple_copy_call_skip_args): Document.

2008-09-21  Ira Rosen  <irar@il.ibm.com>

        PR tree-optimization/37539
        * tree-vect-transform.c (vect_transform_strided_load): Save vector
        statement in related statement field only for the first load of the
        group of loads with the same data reference.

2008-09-20  Adam Nemet  <anemet@caviumnetworks.com>

        * config/mips/mips.h (TUNE_OCTEON): New macro.
        * config/mips/mips.c (mips_issue_rate): Return 2 for Octeon.
        (mips_multipass_dfa_lookahead): Return 2 for Octeon.
        * config/mips/octeon.md: New file.
        * config/mips/mips.md: Include octeon.md.  Restore
        semi-alphabetical order of include files.

2008-09-20  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/37571
        * config/i386/i386.md (*jcc_fused_1): Removed.
        (*jcc_fused_2): Likewise.
        (*jcc_fused_3): Likewise.
        (*jcc_fused_4): Likewise.

2008-09-20  Richard Sandiford  <rdsandiford@googlemail.com>

        * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Define.
        (IRA_COVER_CLASSES): Refer to TARGET_IRA_COVER_CLASSES.
        * target.h (gcc_target): Add ira_cover_classes.
        * ira.c: Remove IRA_COVER_CLASSES guards.
        (setup_cover_and_important_classes): Use targetm.ira_cover_classes
        instead of IRA_COVER_CLASSES.
        (setup_cover_and_important_classes): Remove IRA_COVER_CLASSES guard.
        (setup_class_translate): Likewise.
        (setup_reg_class_intersect_union): Likewise.
        (find_reg_class_closure): Replace IRA_COVER_CLASSES guard with a
        test of targetm.ira_cover_classes.
        * opts.c (decode_options): Use targetm.ira_cover_classes instead
        of IRA_COVER_CLASSES.
        * target-def.h (TARGET_IRA_COVER_CLASSES): Define.
        (TARGET_INITIALIZER): Include it.
        * targhooks.h (default_ira_cover_classes): Declare.
        * targhooks.c (default_ira_cover_classes): New function.

2008-09-19  Bob Wilson  <bob.wilson@acm.org>
        
        * config/xtensa/xtensa.md (reload<mode>_literal): Handle MEM operands.
        
2008-09-19  Ian Lance Taylor  <iant@google.com>

        * varasm.c (narrowing_initializer_constant_valid_p): Return
        NULL_TREE if ENDTYPE is not an integer.

2008-09-19  Andrew Pinski  <andrew_pinski@playstation.sony.com>

        PR tree-opt/30930
        * tree-ssa.c (execute_update_addresses_taken): Also update
        DECL_GIMPLE_REG_P for vector and complex types.

2008-09-19  Andrew MacLeod  <amacleod@redhat.com>
            Jan Hubicka  <jh@suse.cz>

        PR middle-end/37567
        * tree-ssa-ter.c (free_temp_expr_table): Make sure fields are actually
        empty before freeing them.
        (find_replaceable_exprs): Move asserts to free_temp_expr_table.

2008-09-18  Bob Wilson  <bob.wilson@acm.org>

        * configure.ac: Add HAVE_AS_TLS check for Xtensa.
        * config/xtensa/predicates.md (tls_symbol_operand): New.
        * config/xtensa/xtensa.c (TARGET_HAVE_TLS): Define.
        (TARGET_CANNOT_FORCE_MEM): Define.
        (xtensa_tls_symbol_p): New.
        (xtensa_emit_move_sequence): Check for and legitimize TLS addresses.
        (xtensa_legitimate_address_p): Disallow constant pool TLS references.
        (xtensa_tls_module_base): New.
        (xtensa_call_tls_desc): New.
        (xtensa_legitimize_tls_address): New.
        (xtensa_legitimize_address): Handle TLS symbols.
        (xtensa_tls_referenced_p_1): New.
        (xtensa_tls_referenced_p): New.
        (xtensa_output_addr_const_extra): Handle UNSPEC_TPOFF and
        UNSPEC_DTPOFF.
        (XTENSA_BUILTIN_THREAD_POINTER): New.
        (XTENSA_BUILTIN_SET_THREAD_POINTER): New.
        (xtensa_init_builtins): Set NOTHROW and READONLY for umulsidi3
        builtin.  Add declarations for __builtin_thread_pointer and
        __builtin_set_thread_pointer.
        (xtensa_fold_builtin): Recognize new builtins.
        (xtensa_expand_builtin): Expand new builtins.
        * config/xtensa/xtensa.h (XCHAL_HAVE_THREADPTR): Define default value.
        (TARGET_THREADPTR): Define.
        (HAVE_AS_TLS): Define default value.
        (LEGITIMATE_CONSTANT_P): Disallow TLS references.
        * config/xtensa/xtensa.md (UNSPEC_TPOFF, UNSPEC_DTPOFF): New.
        (UNSPEC_TLS_FUNC, UNSPEC_TLS_ARG, UNSPEC_TLS_CALL, UNSPEC_TP): New.
        (UNSPECV_SET_TP): New.
        (sym_TPOFF, sym_DTPOFF): New.
        (load_tp, set_tp, tls_func, tls_arg, tls_call): New.
        * config/xtensa/xtensa-protos.h (xtensa_tls_referenced_p): Declare.
        * configure: Regenerated.
        
2008-09-18  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/37394
        * config/ia64/ia64.c (ia64_optimization_options): Move
        checking and setting flag_schedule_insns_after_reload and
        ia64_flag_schedule_insns2 back to ...
        (ia64_override_options): Here.

2008-09-18  Andrew Pinski  <andrew_pinski@playstation.sony.com>

        PR rtl-opt/37451
        * loop-doloop.c (doloop_modify): New argument zero_extend_p and
        zero extend count after the correction to it is done.
        (doloop_optimize): Update call to doloop_modify, don't zero extend
        count before call.

2008-09-18  Martin Jambor  <mjambor@suse.cz>

        * ipa-cp.c (ipcp_estimate_growth): Return 0 instead of false.

        * ipa-prop.c: Correct comments.
        * ipa-prop.h: Likewise.

2008-09-18  Jan Hubicka  <jh@suse.cz>

        PR middle-end/37448
        * ipa-reference.c (ipa_reference_local_vars_info_d,
        ipa_reference_global_vars_info_d,
        ipa_reference_local_vars_info_t, ipa_reference_global_vars_info_t,
        ipa_reference_vars_info_t): Move here from ipa-reference.h
        (node_duplication_hook_holder, node_removal_hook_holder): New.
        (get_reference_vars_info_from_cgraph): Rename to ...
        (get_reference_vars_info): ... this one, use cgraph uids.
        (get_local_reference_vars_info, get_global_reference_vars_info):
        Use cgraph instead of decl.
        (ipa_reference_get_read_local, ipa_reference_get_written_local):
        Remove.
        (ipa_reference_get_read_global, ipa_reference_get_not_read_global
        ipa_reference_get_written_global,
        ipa_reference_get_not_written_global): Use cgraph argument.
        (check_call): Simplify avail check.
        (scan_stmt_for_static_refs): Update.
        (propagate_bits): Update.
        (merge_callee_local_info): Remove.
        (init_function_info): Use cgraph nodes.
        (clean_function_local_data): Break out from ...
        (clean_function): ... here.
        (copy_local_bitmap, copy_global_bitmap): New functions.
        (duplicate_node_data, remove_node_data): New functions.
        (generate_summary): Register hooks; use visibility instead of
        master clones.
        (propafate): Use cgraph nodes; copy bitmap to each node in cycle.
        * ipa-reference.h (ipa_reference_local_vars_info_d,
        ipa_reference_global_vars_info_d,
        ipa_reference_local_vars_info_t, ipa_reference_global_vars_info_t,
        ipa_reference_vars_info_t): Move to ipa-reference.c
        (ipa_reference_get_read_local, ipa_reference_get_written_local):
        Remove.
        (ipa_reference_get_read_global, ipa_reference_get_written_global,
        ipa_reference_get_not_read_global,
        ipa_reference_get_not_written_global): Update prototype.
        * ipa-pure-const.c (funct_state_vec): Turn into VECtor.
        (init_state): Remove.
        (node_duplication_hook_holder, node_removal_hook_holder): New.
        (get_function_state, set_function_state): Use VECtor.
        (analyze_function): Check body availability.
        (add_new_function): Likewise.
        (duplicate_node_data, remove_node_data): New.
        (generate_summary): Register hooks; do not care about clones.
        (propafate): Do not care about clones; recursive functions are
        not looping.
        * ipa-utils.c (searchc, ipa_utils_reduced_inorder): Do not skip clones.
        * ipa-prop.c (edge_removal_hook_holder, node_removal_hook_holder,
        * edge_duplication_hook_holder, node_duplication_hook_holder): Make
        static.
        * tree-flow.h (function_ann_d): Remove reference_vars_info.
        * tree-ssa-opreands.c (add_call_clobber_ops, add_call_read_ops):
        Update call of ipa-reference accesors.

2008-09-18  Simon Baldwin  <simonb@google.com>

        * c-opts.c (c_common_handle_option): Add handling for
        -Wbuiltin-macro-redefined command line option.
        * c.opt: Added builtin-macro-redefined option.
        * doc/invoke.texi (Warning Options): Add -Wbuiltin-macro-redefined
        documentation.

2008-09-18  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/37258
        * tree-ssa-sccvn.c (vn_phi_compute_hash): Include the precision
        and signedness for integral types.
        (vn_phi_eq): Require compatible types.

2008-09-18  Jakub Jelinek  <jakub@redhat.com>

        PR debug/34037
        * gimplify.c (gimplify_type_sizes): When not optimizing, ensure
        TYPE_MIN_VALUE and TYPE_MAX_VALUE is not is not DECL_IGNORED_P
        VAR_DECL.
        * cfgexpand.c (expand_used_vars): Keep DECL_ARTIFICIAL
        !DECL_IGNORED_P vars in local_decls list for instantiate_decls,
        ggc_free other TREE_LIST nodes from that chain.
        * function.c (instantiate_decls): Instantiate also DECL_RTL
        of vars in cfun->local_decls, free that list afterwards.

2008-09-18  Eric Botcazou  <ebotcazou@adacore.com>

        * config/sparc/sol2.h (WIDEST_HARDWARE_FP_SIZE): Move to...
        * config/sparc/sparc.h (WIDEST_HARDWARE_FP_SIZE): ...here.

2008-09-18  Andrew MacLeod  <amacleod@redhat.com>

        * tree-outof-ssa.c (eliminate_useless_phis): Fix formatting.
        * tree-flow-.h (struct immediate_use_iterator_d): Fix comment.

2008-09-18  Andrew MacLeod  <amacleod@redhat.com>

        PR tree-optimization/37102
        * tree-outof-ssa.c (remove_gimple_phi_args): Remove all the PHI args
        from a node. Check to see if another PHI is dead.
        (eliminate_useless_phis): Rename from eliminate_virtual_phis and 
        remove real PHIs which have no uses.
        (rewrite_out_of_ssa): Call eliminate_useless_phis.

2008-09-18  Richard Guenther  <rguenther@suse.de>

        PR middle-end/37284
        * tree-cfg.c (remove_useless_stmts_1): Remove
        GIMPLE_CHANGE_DYNAMIC_TYPE if not optimizing.

2008-09-18  Nick Clifton  <nickc@redhat.com>

        * config/frv/frv.h (IRA_COVER_CLASSES): Define.
        (SECONDARY_INPUT_RELOAD_CLASS): Omit unused argument in call
        to frv_secondary_reload_class.
        (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
        * config/frv/frv.c (TARGET_SECONDARY_RELOAD): Define.
        (frv_secondary_reload_class): Omit unused parameter.
        (frv_secondary_reload): New function.  Handle the case when
        secondary_reload_class() is called before the reload_(in|out)
        _optabs have been initialised.
        * config/frv/frv-protos.h (frv_secondary_reload_class): Omit
        unused parameter.
        * config/frv/frv.md: Define an exclusion set between fr550_m0
        and fr550_f0.

2008-09-18  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/37456
        * tree-ssa-reassoc.c (build_and_add_sum): If the stmt we
        want to insert after ends a BB insert on the single fallthru
        outgoing edge.

2008-09-18  Andreas Krebbel  <krebbel1@de.ibm.com>

        * doc/invoke.texi: Document -mhard-dfp, -mno-hard-dfp.
        Mention -march=z9-109, z9-ec and z10.

2008-09-18  Uros Bizjak  <ubizjak@gmail.com>

        PR rtl-optimization/37544
        * regrename.c (maybe_mode_change): Exit early when copy_mode
        is narrower than orig_mode and narrower than new_mode.

2008-09-18  Alexander Monakov  <amonakov@ispras.ru>

        PR middle-end/37499
        * sched-int.h (struct _haifa_insn_data): Remove unused field ref_count.

        * sched-rgn.c (ref_counts): Remove.
        (insn_referenced): New static variable.
        (INSN_REF_COUNT): Remove.
        (sched_run_compute_dependencies): Use insn_referenced instead of
        INSN_REF_COUNT.
        (add_branch_dependences): Likewise.  Delete dead assignment.

2008-09-17  Adam Nemet  <anemet@caviumnetworks.com>

        * haifa-sched.c (dep_cost_1): Recognize the producer even if the
        consumer is an asm.  Add comment why this is important.
        (choose_ready): Add comment to the "INSN_CODE (insn) >= 0 ||
        recog_memoized (insn) < 0" assert.  Put ENABLE_CHECKING around it.

2008-09-17  Joseph Myers  <joseph@codesourcery.com>

        * expr.c (emit_group_store): Do not shift before moving via a
        stack slot.

2008-09-17  Eric Botcazou  <ebotcazou@adacore.com>

        * varasm.c (initializer_constant_valid_p): Forbid view-conversions
        from aggregate to non-aggregate type if the bit pattern is not fully
        preserved afterwards.

2008-09-17  Richard Guenther  <rguenther@suse.de>

        * tree-cfg.c (verify_types_in_gimple_assign): Rename to ...
        (verify_gimple_assign): ... this.  Split into ...
        (verify_gimple_assign_unary): ... this,
        (verify_gimple_assign_binary): ... that,
        (verify_gimple_assign_single): ... and this.
        (verify_types_in_gimple_stmt): Call verify_gimple_assign.
        Fix GIMPLE_CHANGE_DYNAMIC_TYPE handling.
        (verify_types_in_gimple_min_lval): Handle TARGET_MEM_REF.
        (verify_types_in_gimple_reference): Be forgiving with
        VIEW_CONVERT_EXPRs.
        (verify_gimple_phi): Deal with virtual operands.

        * tree.def (PREDICT_EXPR): Change to tcc_expression.

2008-09-17  Andrew Pinski  <andrew_pinski@playstation.sony.com>

        * tree.c (get_callee_fndecl): Don't call the language hook.
        * langhooks.h (lang_hooks): Remove lang_get_callee_fndecl.
        * langhooks-def.h (LANG_HOOKS_GET_CALLEE_FNDECL): Kill.
        (LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_GET_CALLEE_FNDECL.

2008-09-17  Jakub Jelinek  <jakub@redhat.com>

        * tree.c (protected_set_expr_location): Don't unnecessarily
        check for error_mark_node.

2008-09-17  Art Haas  <ahaas@impactweather.com>

        * ipa-reference.c (analyze_function): Declare step only if
        ENABLE_CHECKING is defined.

2008-09-17  Jan Hubicka  <jh@suse.cz>

        PR c++/18071
        * tree.h (DECL_INLINE): remove.
        (DECL_DECLARED_INLINE_P): Update docs.
        (DECL_NO_INLINE_WARNING_P): new.
        (tree_function_decl): Replace inline_flag by no_inline_warning_flag.
        * tree-inline.c (inlinable_function_p): Set DECL_NO_INLINE_WARNING_P.

2008-09-17  Jakub Jelinek  <jakub@redhat.com>
            Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>

        PR bootstrap/37441
        * dwarf2out.c (dwarf2out_do_cfi_asm) [MIPS_DEBUGGING_INFO]: Return
        false.

2008-09-17  Jan Hubicka  <jh@suse.cz>

        * ipa-reference.c (ipa_obstack): Remove.
        (local_info_obstack, global_info_obstack): New.
        (add_static_var): We now handle variables only.
        (mark_address_taken, mark_load, mark_store): New functions based on ...
        (check_operand): ... remove.
        (get_asm_stmt_operands): Rename to ...
        (check_asm_memory_clobber): ... this. Look only for memory clobber.
        (scan_stmt_for_static_refs): Rewrite.
        (scan_op_for_static_refs): Rename to ...
        (scan_initializer_for_static_refs): do not look for VAR_DECL
        initializers; stop recursion on types and decls.
        (ipa_init): Use proper obstacks.
        (analyze_variable): Use scan_initializer_for_static_refs.
        (init_function_info): Use local obstack.
        (analyze_function): Simplify.
        (add_new_function): We don't need visited_nodes obstack.
        (generate_summary): Use proper obstacks; cleanup after propagation.

2008-09-17  Richard Guenther  <rguenther@suse.de>

        PR middle-end/37385
        PR tree-optimization/37491
        * alias.c (get_alias_set): Use the canonical type.
        * tree-vect-transform.c (vectorizable_store): Use the type of
        the lhs for the vector type.  Adjust checking.
        (vectorizable_load): Adjust checking.

2008-09-16  Jakub Jelinek  <jakub@redhat.com>
            Adam Nemet  <anemet@caviumnetworks.com>

        PR rtl-optimization/37483
        * ifcvt.c (noce_try_sign_mask): Use if_info->test_bb instead of
        if_info->insn_b's bb as argument to optimize_bb_for_speed_p.
        Rearrange code to better match the original comment.  Check
        t_unconditional first.  Improve comment.

2008-09-16  Jakub Jelinek  <jakub@redhat.com>

        PR c/37529
        * gimplify.c (gimplify_expr) <case GOTO_EXPR>: If gimplification of
        GOTO_DESTINATION failed, don't create GIMPLE_GOTO.

        PR c++/37530
        * gimplify.c (gimplify_expr) <case TRY_CATCH_EXPR>: Don't create
        GIMPLE_TRY if cleanup sequence is empty.

2008-09-16  Andrew Pinski  <andrew_pinski@playstation.sony.com>

        PR middle-end/37263
        * tree-ssa-loop-ivopts.c (determine_use_iv_cost_condition): Prefer the
        eliminate IV if the cost are the same.

2008-09-16  Richard Guenther  <rguenther@suse.de>

        PR middle-end/37380
        * tree-sra.c (sra_build_assignment): Do not call the gimplifier
        if not necessary.

2008-09-16  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/37508
        * tree-vrp.c (simplify_truth_ops_using_ranges): Also allow -1.

2008-09-15  Kaz Kojima  <kkojima@gcc.gnu.org>

        * config/sh/sh.md (movsf_ie): Fix length for TARGET_SH2A.

2008-09-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>

        * config/rs6000/rs6000.md (floatsidf2): Rewrite PowerPC64 case to
        use gen_floatdidf2 directly.
        (floatunssidf2): Likewise.
        (floatsidf_ppc64_mfpgpr): Remove.
        (floatsidf_ppc64): Remove.
        (floatunssidf_ppc64): Remove.

2008-09-15  Jakub Jelinek  <jakub@redhat.com>

        * ira-color.c (finish_cost_update): Free update_cost_queue_elems
        rather than update_cost_queue.

        * tree-ssa-alias.c (init_alias_info): Call bitmap_obstack_release
        in every call starting with the second one, instead of only when
        alias_bitmap_obstack.elements != NULL.

        * tree-predcom.c (filter_suitable_components): Free all refs in
        act->refs vector before calling release_component.
        (add_ref_to_chain): Free ref if not adding it to chain->refs.

        * tree-data-ref.c (free_subscripts): Free all subscript objects.

        * tree-loop-linear.c (linear_transform_loops): Initialize
        lambda_obstack only after calling perfect_loop_nest_depth.
        Goto free_and_continue instead of just continue for later failures.

        PR middle-end/37479
        * doc/invoke.texi: Document -fno-dwarf2-cfi-asm.

        PR libmudflap/36397
        * tree-mudflap.c (mf_xform_derefs_1): Handle VIEW_CONVERT_EXPR.

2008-09-14  Andreas Schwab  <schwab@suse.de>

        * tree-call-cdce.c (check_target_format): Accept Motorola formats.

2008-09-14  Jan Hubicka  <jh@suse.cz>

        * invoke.texi (-fconserve-stack): Document.
        * opts.c (decode_options): Handle conserve_stack.
        * common.opt (fconvserve_stack): New.

2008-09-14  David Edelsohn  <edelsohn@gnu.org>

        * config.host: Add x-aix to host_xmake_file.
        * config/rs6000/t-aix52: Do not override LDFLAGS.
        * config/rs6000/x-aix: New file.

2008-09-14  Andy Hutchinson  <hutchinsonandy@aim.com>

        PR target/19636
        PR target/24894
        PR target/31644
        PR target/31786
        * config/avr/avr.c (legitimate_address_p): Fix problem where subreg
        is not recognized as a valid register usage. Allow REG_X to be used
        as a base pointer.
        * config/avr/avr.h (LEGITIMIZE_RELOAD_ADDRESS): Remove code that
        forces a reload when using a base register.

2008-09-14  Danny Smith  <dannysmith@users.sourceforge.net>

        * config/i386/cygming-crtend.c (register_frame_ctor): If
        DEFAULT_USE_CXA_ATEXIT, register __gcc_deregister_frame
        directly with atexit.
        (deregister_frame_ctor): Rename to ...
        (deregister_frame_dtor): Use to call __gcc_deregister_frame
        if !DEFAULT_USE_CXA_ATEXIT.

2008-09-13  Jan Hubicka  <jh@suse.cz>

        * cgraph.c: Include value-prof.h
        * Makefile.in (cgraph.o): Add value-prof.h dependency.

2008-09-13  Jan Hubicka  <jh@suse.cz>

        PR middle-end/32581
        * tree-profile.c (add_abnormal_goto_call_edges): New function.
        (tree_gen_interval_profiler, tree_gen_pow2_profiler,
        tree_gen_one_value_profiler, tree_gen_average_profiler,
        tree_gen_ic_func_profiler, tree_gen_ior_profiler): Use it.

2008-09-13  Jan Hubicka  <jh@suse.cz>

        * i386.c (ix86_expand_movmem, ix86_expand_movstr): Avoid processing
        too many bytes on misalligned blocks.

2008-09-13  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

        * doc/cfg.texi: Fix some typos.
        * doc/extend.texi: Likewise.
        * doc/install.texi: Likewise.
        * doc/invoke.texi: Likewise.
        * doc/rtl.texi: Likewise.
        * doc/tree-ssa.texi: Likewise.

2008-09-13  Richard Guenther  <rguenther@suse.de>

        PR middle-end/30141
        * tree-nested.c (finalize_nesting_tree_1): Generate valid
        gimple stores for memory rhs.

2008-09-13  H.J. Lu  <hongjiu.lu@intel.com>

        PR rtl-optimization/37489
        * cse.c (fold_rtx): Don't return const_true_rtx for float
        compare if FLOAT_STORE_FLAG_VALUE is undefined.

2008-09-13  Jan Hubicka  <jh@suse.cz>

        PR tree-optimization/37392
        * tree-inline.c (remap_gimple_stmt): Do not remap return value.

2008-09-13  Martin Jambor  <mjambor@suse.cz>
            Jan Hubicka  <jh@suse.cz>

        * cgraph.c (free_edges): New variable.
        (NEXT_FREE_EDGE): New macro.
        (cgraph_free_edge): New function.
        (cgraph_remove_edge): Call cgraph_remove_edge_1.
        (cgraph_node_remove_callees): Likewise.
        (cgraph_node_remove_callers): Likewise.
        (cgraph_create_edge): Reuse edges from the free list.  Do not
        update uid if doing so.
        (cgraph_remove_*_hook): Add free call.

2008-09-13  Richard Sandiford  <rdsandiford@googlemail.com>

        * ira-color.c (conflict_allocno_vec): Delete.
        (update_cost_queue_elem): New structure.
        (update_cost_queue): New variable.
        (update_cost_queue_tail): Likewise.
        (update_cost_queue_elems): Likewise.
        (allocno_update_cost_check): Delete.
        (initiate_cost_update): Allocate update_cost_queue_elems
        instead of allocno_update_cost_check.
        (finish_cost_update): Update the free()s accordingly.
        (start_update_cost): New function.
        (queue_update_cost): Likewise.
        (get_next_update_cost): Likewise.
        (update_copy_costs_1): Inline into...
        (update_copy_costs): ...here.  Use a queue instead of recursive calls.
        Use cover_class instead of ALLOCNO_COVER_CLASS (another_allocno),
        once we've established they are equal.  Don't allocate update
        costs if there is nothing to add to them.
        (update_conflict_hard_regno_costs): Remove ALLOCNO and
        DIVISOR arguments.  Use a queue instead of recursive calls;
        process all the allocnos in the initial queue, rather than
        a single allocno.
        (assign_hard_reg): Use queue_update_cost instead of
        conflict_allocno_vec.  Queue coalesced allocnos instead
        of calling update_conflict_hard_regno_costs for each one.
        Just call update_conflict_hard_regno_costs once for the
        entire queue.
        (ira_color): Remove conflict_allocno_vec handling.

2008-09-12  Sebastian Pop  <sebastian.pop@amd.com>

        PR tree-optimization/37484
        * graphite.c (scop_record_loop): Use snprintf instead of sprintf.
        (save_var_name): Same.
        (initialize_cloog_names): Same.
        (initialize_cloog_names): Same.

2008-09-12  Sebastian Pop  <sebastian.pop@amd.com>

        * tree-scalar-evolution.c (set_instantiated_value): Set
        instantiated_below.

2008-09-12  Vladimir Makarov  <vmakarov@redhat.com>

        PR rtl-opt/37377

        * ira-build.c (common_loop_tree_node_dominator): Remove.
        (copy_live_ranges_to_removed_store_destinations): New function.
        (regno_top_level_allocno_map): Move to top level from ...
        (ira_flattening): ... here.  Use
        copy_live_ranges_to_removed_store_destinations.

        * ira-emit.c (generate_edge_moves): Fix a comment.

2008-09-12  Anatoly Sokolov  <aesok@post.ru>

        PR target/37466
        * config/avr/avr.md (movsi_lreg_const peephole2): Add match_dup for
        scratch register after 'set' pattern.

2008-09-12  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>

        * emit-rtl.c (set_reg_attrs_from_value): Fix invalid alignment
        information passed to mark_reg_pointer.
        * explow.c (force_reg): Likewise.

2008-09-12  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>

        * config/spu/spu.c (spu_override_options): Default to -mno-safe-hints
        when building for the celledp architecture.

2008-09-12  Richard Guenther  <rguenther@suse.de>

        * tree-vrp.c (simplify_truth_ops_using_ranges): Fix types.

2008-09-12  Eric Botcazou  <ebotcazou@adacore.com>

        PR rtl-optimization/37424
        * ira-color.c (coalesced_pseudo_reg_slot_compare): Untie by comparing
        the regnos instead of the addresses.

2008-09-11  Janis Johnson  <janis187@us.ibm.com>

        * ginclude/float.h (DEC_EVAL_METHOD): Correct the macro name.

2008-09-11  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-uncprop.c (associate_equivalences_with_edges): Avoid
        entering the weaker equivalence recording.

        * tree-ssa-phiprop.c (propagate_with_phi): Fix tuplification.

2008-09-11  Jeff Law <law@redhat.com>

        * reload1.c (alter_reg): Undo the BYTE_BIG_ENDIAN correction performed
        by assign_stack_local on the IRA path for stack slot sharing
        as well as the non-IRA path.

2008-09-11  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.h: Fix whitespace issues.

2008-09-11  Martin Jambor  <mjambor@suse.cz>

        * ipa-prop.h (struct ipa_param_flags): Removed.
        (struct ipa_param_descriptor): New structure.
        (struct ipa_node_params): ipcp_lattices, param_decls and
        param_flags moved to ipa_param_description.
        (ipa_get_ith_param): Renamed to ipa_get_param, changed to access
        descriptors.  Renamed all users.
        (ipa_is_ith_param_modified): Renamed to ipa_is_param_modified,
        changed to access descriptors.  Renamed all users.
        (ipa_is_ith_param_called): Renamed to ipa_is_param_called, changed
        to access descriptors. Renamed all users.
        * ipa-cp.c (ipcp_init_cloned_node): Call
        ipa_initialize_node_params instead of ipa_count_formal_params and
        ipa_create_param_decls_array.
        (ipcp_analyze_node): Likewise.
        (ipcp_get_ith_lattice): Renamed to ipcp_get_lattice, changed to access
        descriptors.  Renamed all users.
        (ipcp_initialize_node_lattices): Remove allocation.
        * ipa-inline.c (inline_indirect_intraprocedural_analysis): Call
        ipa_initialize_node_params instead of ipa_count_formal_params and
        ipa_create_param_decls_array.
        * ipa-prop.c (ipa_create_param_decls_array): Renamed to
        ipa_populate_param_decls, made static, added parameter info,
        renamed mt to node, removed allocation, changed to use
        descriptors.
        (ipa_count_formal_params): Made static, added parameter info,
        renamed mt to node.
        (ipa_initialize_node_params): New function.
        (ipa_check_stmt_modifications): Changed to use descriptors.
        (ipa_detect_param_modifications): Removed allocation, changed to
        use descriptors.
        (ipa_note_param_call): Changed to use descriptors.
        (ipa_analyze_params_uses): Removed allocation.
        (ipa_free_node_params_substructures): Changed to use descriptors.
        (ipa_edge_duplication_hook): Use the unused attribute.
        (ipa_node_duplication_hook): Use the unused attribute, changed to
        use descriptors, changed to duplicate descriptors.

        * ipa-inline.c (cgraph_mark_inline_edge): New parameter new_edges,
        changed all callers.  Call ipa_propagate_indirect_call_infos if doing
        indirect inlining.  Made static.
        (cgraph_decide_inlining): Freeing ipa-prop structures after inlining
        functions called only once.
        (cgraph_decide_recursive_inlining): Don't call
        ipa_propagate_indirect_call_infos, pass new_edges to
        cgraph_mark_inline_edge instead.
        (cgraph_decide_inlining_of_small_functions): Don't call
        ipa_propagate_indirect_call_infos, pass new_edges to
        cgraph_mark_inline_edge instead.
        (cgraph_decide_inlining): Don't call
        ipa_propagate_indirect_call_infos.
        * ipa-prop.c: Check that vectors are allocated.

        * ipa-inline.c (cgraph_mark_inline_edge): Returns boolean, true
        iff a new cgraph edges have been created.
        (cgraph_decide_inlining): New variable redo_always_inline.
        Flattening and always_inlining loop until callgraph stabilizes.
        * ipa-prop.c (update_call_notes_after_inlining): Returns boolean,
        true iff new cgraph edges have been created.
        (propagate_info_to_inlined_callees): Likewise.
        (ipa_propagate_indirect_call_infos): Likewise.

2008-09-11  Richard Guenther  <rguenther@suse.de>

        * tree-vectorizer.c (slpeel_add_loop_guard): Fix types.
        (set_prologue_iterations): Likewise.
        * tree-vect-transform.c (vect_create_addr_base_for_vector_ref):
        Likewise.
        (vect_update_init_of_dr): Likewise.
        * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Fix
        type verification.
        * fold-const.c (fold_unary): Do not generate calculations
        in sub-types.

2008-09-11  Paolo Bonzini  <bonzini@gnu.org>

        * dojump.c (do_jump) [BIT_AND_EXPR]: Move below.  Fall through to
        TRUTH_AND_EXPR for boolean (1-bit precision) expressions.
        (do_jump) [BIT_IOR_EXPR]: Compile as TRUTH_OR_EXPR.

        * tree-flow.h (simplify_stmt_using_ranges): Accept a GSI, return
        a bool.
        * tree-ssa-propagate.c (substitute_and_fold): Pass a GSI to
        VRP's simplify_stmt_using_ranges.  Do simplify_stmt_using_ranges
        before finalizing the changes.
        * tree-vrp.c (extract_range_from_binary_expr): Add limited support
        for BIT_IOR_EXPR.
        (simplify_truth_ops_using_ranges): New.
        (simplify_div_or_mod_using_ranges, simplify_abs_using_ranges,
        simplify_cond_using_ranges, simplify_switch_using_ranges): Return
        whether a simplification was made.
        (simplify_stmt_using_ranges): Ditto, and accept a GSI.  For GS_ASSIGN,
        use a switch statement and also call simplify_truth_ops_using_ranges.

2008-09-11  Jan Hubicka  <jh@suse.cz>

        * ggc-common.c (loc_array): Make static.
        * dce.c (rest_of_handle_ud_dce): Free worklist.

2008-09-11  Jan Hubicka  <jh@suse.cz>

        * cgraph.c (cgraph_release_function_body): Plug memory leak on
        ipa_transforms_to_apply and CFG; ggc_free gimple df and struct
        function so we are sure we do not dangle it forever.
        * function.c (outer_function_chain, find_function_data): Remove.
        (function_context_stack): New.
        (push_function_context, pop_function_context): Update.
        * function.h (struct function): Remove pointer outer.
        (outer_function_chain, find_function_data): Remove.
        * stmt.c (force_label_rtx): Remove dead call of find_function_data.

2008-09-11  Jan Hubicka  <jh@suse.cz>

        PR middle-end/37448
        * cgraph.c (cgraph_create_edge): Use !cgraph_edge for sanity check.

2008-09-11  Jan Hubicka  <jh@suse.cz>

        * tree-ssa-pre.c (phi_translate_1): Fix memory leak

2008-09-11  Jan Hubicka  <jh@suse.cz>

        * tree-ssa.c (redirect_edge_var_map_clear): Fix formatting.
        (free_var_map_entry): New function.
        (redirect_edge_var_map_destroy): Use it.

2008-09-11  Jan Hubicka  <jh@suse.cz>

        PR middle-end/37448
        * tree-inline.c (add_lexical_block): Replace with ...
        (prepend_lexical_block): ... prepend at begginig.
        (remap_blocks): Use it and reverse later.
        (expand_call_inline): Use prepend_lexical_block.

2008-09-11  Jan Hubicka  <jh@suse.cz>

        * gimplify.c (pop_gimplify_context): Free bind_expr_stack.

2008-09-11  Jan Hubicka  <jh@suse.cz>

        * function.c (free_after_compilation): Call insn_locators_free.
        * cfglayout.c (insn_locators_free): New function.
        * rtl.h (insn_locators_free): Declare.

2008-09-11  Jan Hubicka  <jh@suse.cz>

        * ifcvt.c (check_cond_move_block): Make regs argument pointer to
        vector pointer.
        (cond_move_process_if_block): Update call.

2008-09-11  Jan Hubicka  <jh@suse.cz>

        * toplev.c (dump_memory_report): Call dump_vec_loc_statistics.
        * vec.c: Include hashtab.h
        (vec_descriptor, ptr_hash_entry): New structures.
        (vec_desc_hash, vec_ptr_map): New static variables.
        (hash_descriptor, eq_descriptor, hash_ptr, eq_ptr, vec_descriptor,
        register_overhead, free_overhead, vec_heap_free): New functions.
        (vec_gc_o_reserve_1): ggc_free when resizing to 0.
        (vec_heap_o_reserve_1): free when resizing to 0; add statistics.
        (cmp_statistic, add_statistics, dump_vec_loc_statistics):
        New functions.

2008-09-11  Ira Rosen  <irar@il.ibm.com>

        PR tree-optimization/37474
        * tree-vect-analyze.c (vect_supported_load_permutation_p): Check the
        length of load permutation.

2008-09-11  Andreas Schwab  <schwab@suse.de>

        * config/m68k/m68k.h (IRA_COVER_CLASSES): Define.

2008-09-11  Jakub Jelinek  <jakub@redhat.com>

        PR target/37382
        * expmed.c (extract_low_bits): Avoid creating invalid subregs.
        * dse.c (find_shift_sequence): Use extract_low_bits instead of
        simplify_gen_subreg.

2008-09-11  Ira Rosen  <irar@il.ibm.com>

        * tree-vect-transform.c (vectorizable_store): Use the rhs vector type
        for alias check.

2008-09-10  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/37338
        * gimplify.c (gimplify_body): Call default_rtl_profile.

        PR target/36904
        * config/rs6000/rs6000-c.c (rs6000_macro_to_expand): Return NULL
        instead of tok->val.node if not expanding to something else.  Handle
        intervening CPP_PADDING tokens.
        (altivec_categorize_keyword): Remove unneeded comparisons.

2008-09-10  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-pre.c (phi_translate_1): Fix memory leak.

2008-09-10  Richard Guenther  <rguenther@suse.de>

        PR middle-end/37432
        * tree-inline.c (insert_init_stmt): Make sure to not
        insert invalid gimple stores.

2008-09-10  Sebastian Pop  <sebastian.pop@amd.com>

        PR tree-optimization/37388
        * toplev.c (process_options): Fail and warn when graphite
        flags are used, but the compiler has not been configured
        with graphite libraries.
        * graphite.c (graphite_transform_loops): Remove printfs
        to dump_file for the case when graphite is not available.

2008-09-10  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/37434:
        * config/i386/i386.c (ix86_expand_vector_init_interleave): Force
        the even element into register.
        (ix86_expand_vector_init_general): Don't use
        ix86_expand_vector_init_interleave on V16QImode and V8HImode
        if we can't move from GPR to SSE register directly.

2008-09-10  Bernd Schmidt  <bernd.schmidt@analog.com>

        * config/bfin/bfin.c (workaround_speculation): Correct algorithm to
        not lose track of the number of NOPs needed.  Number of NOPs needed
        for sync vs. loads workaround was switched; corrected.  Run second
        pass for all workarounds.  No NOPs needed after call insns.  Change
        second pass to use find_next_insn_start and find_load helpers in order
        to properly detect parallel insns.
        * config/bfin/bfin.md (cbranch_with_nops): Increase length.

2008-09-10  Jan Hubicka  <jh@suse.cz>

        * value-prof.c (gimple_ic): Fix tuplification bug.
        * sched-deps.c (sched_insns_conditions_mutex_p): Silence unitialized
        var warning.

2008-09-10  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/37353
        * tree-call-cdce.c (cond_dead_built_in_calls): Remove.
        (shrink_wrap_conditional_dead_built_in_calls): Add calls argument, use
        calls instead of cond_dead_built_in_calls.
        (tree_call_cdce): Add cond_dead_built_in_calls automatic variable,
        initalize the vector only before adding first entry.  Use VEC_safe_push
        instead of VEC_quick_push.  Pass cond_dead_built_in_calls to
        shrink_wrap_conditional_dead_built_in_calls call.

2008-09-10  Ira Rosen  <irar@il.ibm.com>

        PR tree-optimization/37385
        * tree-vect-transform.c (vect_create_data_ref_ptr): Add a new
        argument, and use it as a vector type if not NULL.
        (vectorizable_store): Call vect_create_data_ref_ptr with the type of
        vectorized rhs.
        (vect_setup_realignment): Call vect_create_data_ref_ptr with
        additional argument.
        (vectorizable_load): Likewise.

2008-09-10  Jakub Jelinek  <jakub@redhat.com>

        * config/i386/i386.md (SWI32): New mode iterator.
        (jcc_fused_1, jcc_fused_2, jcc_fused_3, jcc_fused_4): Use it instead
        of SWI.

2008-09-09  Vladimir Makarov  <vmakarov@redhat.com>

        PR rtl-optimization/37435
        * caller-save.c (insert_restore, insert_save): Check the mode by
        reg_save_code.

2008-09-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        PR other/37265
        * dwarf2asm.c (dw2_force_const_mem): Use unstripped symbol name for
        splay tree lookup.
        (dw2_output_indirect_constant_1): Use unstripped name in symbol
        reference.

2008-09-09  Sandra Loosemore  <sandra@codesourcery.com>

        * doc/invoke.texi (ARM Options): Correct errors in discussion
        of -mfloat-abi, -mhard-float, and -msoft-float.

2008-09-09  Jakub Jelinek  <jakub@redhat.com>
            Jan Hubicka  <jh@suse.cz>

        PR middle-end/37356
        * tree-inline.c (copy_bb): Insert stmt into copy_basic_block before
        calling gimple_regimplify_operands on it.  Iterate over all newly
        added statements, not just the last one.
        (insert_init_stmt): Insert stmt into seq first, then call
        gimple_regimplify_operands on it.  Don't create new gimplification
        context, nor find referenced vars.

2008-09-09  Jakub Jelinek  <jakub@redhat.com>

        PR other/37419
        * ipa-prop.h (ipa_propagate_indirect_call_infos): Change last argument
        to pointer to vector pointer.
        * ipa-prop.c (ipa_propagate_indirect_call_infos,
        propagate_info_to_inlined_callees): Likewise.
        (update_call_notes_after_inlining): Likewise.  Push new indirect edge
        to *new_edges instead of new_edges.  Reread IPA_EDGE_REF after
        ipa_check_create_edge_args.
        * ipa-inline.c (cgraph_decide_recursive_inlining): Change last
        argument to pointer to vector pointer.
        (cgraph_decide_inlining_of_small_function): Adjust
        cgraph_decide_recursive_inlining and ipa_propagate_indirect_call_infos
        calls.

        PR target/37438
        * config/i386/i386.md (zero_extendqihi2_movzbl): Enable when
        optimizing for size, not speed.

        PR rtl-optimization/37408
        * function.c (assign_parm_find_stack_rtl): Set correct MEM_SIZE
        if parm is promoted.

2008-09-09  Sebastian Pop  <sebastian.pop@amd.com>

        PR tree-optimization/37375
        * tree-scalar-evolution.c (scev_info_str): Add field
        instantiated_below.
        (new_scev_info_str, eq_scev_info, find_var_scev_info,
        set_scalar_evolution, get_scalar_evolution, get_instantiated_value,
        set_instantiated_value): Pass instantiated_below.
        (analyze_scalar_evolution_1, analyze_scalar_evolution): Update calls
        to above functions.
        (instantiate_scev_1, instantiate_scev): Pass a basic block above which
        the definitions are not instantiated.

        * tree-scalar-evolution.h (instantiate_scev): Update declaration.
        (block_before_loop): New.
        * tree-data-ref.c (dr_analyze_indices): Update uses of
        instantiate_scev.
        * graphite.c (block_before_scop): New.
        (loop_affine_expr, stmt_simple_for_scop_p, harmful_stmt_in_bb): Pass a
        basic block, not a loop for determining the parameters.
        (scopdet_edge_info, build_scops_1): Do not pass outermost loop in the
        scop.
        (idx_record_params, find_params_in_bb, find_scop_parameters,
        build_loop_iteration_domains, add_conditions_to_domain): Update calls
        to instantiate_scev.

        * Makefile.in (cfgloopmanip.o): Add missing dependency on TREE_FLOW_H.

2008-09-09  Vladimir Makarov  <vmakarov@redhat.com>

        PR rtl-opt/37333

        * ira-build.c (ira_create_allocno): Setup frequency to 0.

        * ira-color.c (update_conflict_hard_regno_costs): Remove assert.
        Check zero freq and increase if necessary.

2008-09-09  Vladimir Makarov  <vmakarov@redhat.com>

        * ira-conflicts.c (process_regs_for_copy): Check that the hard
        regno is in the right range.  Add comments.

2008-09-09  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>

        * Makefile.in (mips-tfile.o-warn): Don't error out on mips-tfile.c
        warnings.
        * mips-tfile.c (copy_object): Cast alloca result to int *.
        * mips-tdump.c (print_symbol): Cast xmalloc return values to
        proper types.
        Rename class to sclass.
        (read_tfile): Cast read_seek return values to proper types.
        Cast xcalloc return value to proper type.

2008-09-09  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>

        * config/sol2.h (REGISTER_TARGET_PRAGMAS): Move ...
        * config/i386/sol2.h (REGISTER_SUBTARGET_PRAGMAS): ... here.
        * config/sparc/sol2.h (REGISTER_TARGET_PRAGMAS): ... and here.

2008-09-09  Jan Hubicka  <jh@suse.cz>

        * profile.c (is_edge_inconsistent): Add debug output; ignore
        negative count on fake edges.
        (is_inconsistent): Add debug output.

2008-09-09  Andrey Belevantsev  <abel@ispras.ru>

        * haifa-sched.c (advance_one_cycle): Do not print '\n' before printing
        dump message.
        (choose_ready): When first insn is chosen from the ready list, also
        dump it.

2008-09-09  Andrey Belevantsev  <abel@ispras.ru>

        PR rtl-optimization/37360
        * haifa-sched.c (max_issue): Do not assert that we never issue more
        insns than issue_rate.  Add comment.

2008-09-09  Richard Guenther  <rguenther@suse.de>

        * tree-cfg.c (verify_types_in_gimple_op): Remove.
        (verify_types_in_gimple_call): Rename to ...
        (verify_gimple_call): ... this.  Enhance.
        (verify_types_in_gimple_cond): Remove.
        (verify_gimple_comparison): New function ...
        (verify_types_in_gimple_assign): ... split out from here.
        (verify_types_in_gimple_return): Rename to ...
        (verify_gimple_return): ... this.  Enhance.
        (verify_types_in_gimple_switch): Rename to ...
        (verify_gimple_switch): ... this.  Enhance.
        (verify_gimple_goto): New function.
        (verify_types_in_gimple_phi): Rename to ...
        (verify_gimple_phi): ... this.  Enhance.
        (verify_types_in_gimple_stmt): Adjust calls to helper functions.
        Fold in single-statement cases from verify_types_in_gimple_seq_2.
        (verify_types_in_gimple_seq_2): Remove cases handled in
        verify_types_in_gimple_stmt.

2008-09-09  Bernd Schmidt  <bernd.schmidt@analog.com>

        * config/bfin/bfin.c (n_regs_to_save): New static variable.
        (push_multiple_operation, pop_multiple_operation): Set it.
        (workaround_rts_anomaly): New function.
        (workaround_speculation): New function, broken out of bfin_reorg.
        (bfin_reorg): Call the new functions.

2008-09-09  Richard Guenther  <rguenther@suse.de>

        PR middle-end/37354
        PR middle-end/30165
        * gimplify.c (gimplify_conversion): Change conversions of
        non-register type to VIEW_CONVERT_EXPRs.
        (gimplify_addr_expr): If we need to make the operand
        addressable make sure to use a properly initialized
        temporary for that so it gets a valid gimple store.

2008-09-09  Aldy Hernandez  <aldyh@redhat.com>

        * function.h (struct function): Add function_start_locus.
        * cfgexpand.c (gimple_expand_cfg): Use it.
        * c-parser.c (c_parser_declaration_or_fndef): Set it.

2008-09-09  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/37433
        * tree-ssa-ccp.c (ccp_fold): Properly guard folding of
        function calls.

2008-09-09  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/37387
        * tree-ssa-ifcombine.c (ifcombine_iforif): Convert the name
        and bits to a common type.

2008-09-09  Nick Clifton  <nickc@redhat.com>

        * config/v850/v850.md (return): Restore frame size restriction.

2008-09-09  Paolo Bonzini  <bonzini@gnu.org>

        * c-common.c (c_expand_decl): Remove.
        * c-common.h (anon_aggr_type_p): Remove prototype.
        (DECL_ANON_UNION_ELEMS): Remove.
        * c-objc-common.h (LANG_HOOKS_EXPAND_DECL): Remove.
        * c-decl.c (anon_aggr_type_p): Remove.
        * langhooks-def.h (LANG_HOOKS_EXPAND_DECL): Remove.
        (LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_EXPAND_DECL.
        * langhooks.h (struct lang_hooks): Remove expand_decl.
        * langhooks.c (lhd_expand_decl): Remove.
        * stmt.c (expand_anon_union_decl): Remove.
        * tree.h (expand_anon_union_decl): Remove prototype.

2008-08-09  Andy Hutchinson  <hutchinsonandy@aim.com>

        PR target/36609
        * config/avr/avr.c (avr_reorg): Create RTL for reversed compare with
        zero.
        * config/avr/avr.md  (QISI) : Define mode iterator.
        (negated_tst<mode>) : Redefine as split using mode macro.
        (reversed_tstqi): Define insn as reversed compare with zero.
        (reversed_tsthi): Ditto.
        (reversed_tstsi): Ditto.

2008-09-08  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/37393
        * tree-inline.c (copy_bb): When replacing a gimple_call_va_arg_pack_p
        call stmt by new_call, clear gimple_bb on stmt after gsi_replace.

        PR middle-end/37414
        * predict.c (optimize_function_for_size_p): Don't segfault if
        FUN is NULL.
        * fold-const.c (LOGICAL_OP_NON_SHORT_CIRCUIT, fold_truthop,
        tree_swap_operands_p): Don't test cfun != NULL before calling
        optimize_function_for_s*_p.

2008-09-08  Eric Botcazou  <ebotcazou@adacore.com>

        * ira-color.c (ira_reuse_stack_slot): Set slot_num on success at the
        end of the search.

2008-09-08  M R Swami Reddy <MR.Swami.Reddy@nsc.com>

        * crx/crx.h (IRA_COVER_CLASSES): Define.

2008-09-08  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/37337
        * tree-ssa-dom.c (optimize_stmt): Call maybe_clean_or_replace_eh_stmt
        even when a stmt has been gimple_modified_p, but after fold_stmt is
        not any longer.  Remove unneeded may_have_exposed_new_symbols
        initializations.

2008-09-08  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/37421
        * tree-ssa-sccvn.c (visit_copy): Make sure to fully
        valueize the RHS.

2008-09-08  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/37415
        * opts.c (common_handle_option): Handle OPT_ftree_store_ccp.

2008-09-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        PR driver/37409
        * pa-hpux.h (LINK_SPEC): Strip -fwhole-program.
        * pa-hpux10.h (LINK_SPEC): Likewise.
        * pa-hpux11.h (LINK_SPEC): Likewise.

2008-09-07  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        * pa32-regs.h (IRA_COVER_CLASSES): Define.
        * pa64-regs.h (IRA_COVER_CLASSES): Define.

2008-09-07  Helge Deller  <deller@gmx.de>

        * pa/linux-atomic.c: New file.
        * pa/t-linux (LIB2FUNCS_STATIC_EXTRA): Define.
        * pa/t-linux64 (LIB2FUNCS_STATIC_EXTRA): Define.

2008-09-07  Richard Guenther  <rguenther@suse.de>
            Ira Rosen  <irar@il.ibm.com>

        PR tree-optimization/36630
        * tree-vect-transform.c (vect_update_ivs_after_vectorizer):
        Call STRIP_NOPS before calling evolution_part_in_loop_num.

2008-09-07  Dorit Nuzman  <dorit@il.ibm.com>
            Ira Rosen  <irar@il.ibm.com>

        PR tree-optimization/35642
        * config/rs6000/altivec.md (mulv8hi3): Implement.

2008-09-06  Jeff Law <law@redhat.com>

        * h8300/h8300.h (IRA_COVER_CLASSES): Define.

2008-09-06  Jan Hubicka  <jh@suse.cz>

        PR tree-optimization/14703
        * tree-ssa-live.c (remove_unused_scope_block_p): Remove ignored
        declarations.
        * passes.c (init_optimization_passes): Recompute inline parameters.

2008-09-06  Richard Sandiford  <rdsandiford@googlemail.com>

        * config/mips/mips.c (mips_function_ok_for_sibcall): Check for
        DECL being null.

2008-09-06  Richard Sandiford  <rdsandiford@goolemail.com>
            Peter Fuerst  <post@pfrst.de>

        * doc/invoke.texi: Document -mr10k-cache-barrier=.
        * doc/extend.texi: Document __builtin_mips_cache.
        * config/mips/mips-ftypes.def: Add a (VOID, SI, CVPOINTER) entry.
        * config/mips/mips.opt (mr10k-cache-barrier=): New option.
        * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Define
        __GCC_HAVE_BUILTIN_MIPS_CACHE.
        (TARGET_CACHE_BUILTIN, ISA_HAS_CACHE): New macros.
        * config/mips/mips.c (mips_r10k_cache_barrier_setting): New enum.
        (set_push_mips_isas): New variable.
        (mips_r10k_cache_barrier): New variable.
        (cache): New availability predicate.
        (mips_builtins): Add an entry for __builtin_mips_cache.
        (mips_build_cvpointer_type): New function.
        (MIPS_ATYPE_CVPOINTER): New macro.
        (mips_prepare_builtin_arg): Only use the insn's mode if the rtx's
        mode is VOIDmode.
        (r10k_simplified_address_p, r10k_simplify_address)
        (r10k_uncached_address_p, r10k_safe_address_p)
        (r10k_needs_protection_p_1, r10k_needs_protection_p_store)
        (r10k_needs_protection_p_call, r10k_needs_protection_p)
        (r10k_insert_cache_barriers): New functions.
        (mips_reorg_process_insns): Delete cache barriers after a
        branch-likely instruction.
        (mips_reorg): Call r10k_insert_cache_barriers.
        (mips_handle_option): Handle OPT_mr10k_cache_barrier_.
        * config/mips/mips.md (UNSPEC_MIPS_CACHE): New constant.
        (UNSPEC_R10K_CACHE_BARRIER): Likewise.
        (mips_cache, r10k_cache_barrier): New define_insns.

2008-09-06  Richard Sandiford  <rdsandiford@googlemail.com>

        * ira-int.h (ira_zero_hard_reg_set, ira_one_hard_reg_set): Delete.
        * ira-color.c (setup_allocno_left_conflicts_num): Use
        hard_reg_set_equal_p instead of a comparison with
        ira_zero_hard_reg_set.
        * ira.c (setup_reg_subclasses): Likewise.
        (setup_cover_and_important_classes): Likewise.
        (setup_class_translate): Likewise.
        (setup_reg_class_intersect_union): Likewise.
        (ira_zero_hard_reg_set, ira_one_hard_reg_set): Delete.
        (ira_init_once): Don't initialize them.

2008-09-05  Vladimir Makarov  <vmakarov@redhat.com>

        * doc/tm.texi (IRA_COVER_CLASSES): Fix a typo.

2008-09-05  Vladimir Makarov  <vmakarov@redhat.com>

        * ira-color.c (ira_fast_allocation): Permit global allocno allocation.

2008-09-05  Trevor Smigiel <Trevor_Smigiel@playstation.sony.com>

        Improved branch hints, safe hints, and scheduling.

        * haifa-sched.c (sched_emit_insn) : Define.
        * sched-int.h (sched_emit_insn) : Add prototype.
        * doc/invoke.texi (-mdual-nops, -mhint-max-nops,
        -mhint-max-distance -msafe-hints) : Document.
        * config/spu/spu.c (spu_flag_var_tracking): New.
        (TARGET_SCHED_INIT_GLOBAL, TARGET_SCHED_INIT,
        TARGET_SCHED_REORDER, TARGET_SCHED_REORDER2,
        TARGET_ASM_FILE_START): Define.
        (TARGET_SCHED_ADJUST_PRIORITY): Remove.
        (STOP_HINT_P, HINTED_P, SCHED_ON_EVEN_P): Define.
        (spu_emit_branch_hint): Add blocks argument.
        (insert_branch_hints, insert_nops): Remove.
        (pad_bb, insert_hbrp_for_ilb_runout, insert_hbrp, in_spu_reorg,
        uses_ls_unit, spu_sched_init_global, spu_sched_init,
        spu_sched_reorder, asm_file_start): New functions.
        (clock_var, spu_sched_length, pipe0_clock,
        pipe1_clock, prev_clock_var, prev_priority,
        spu_ls_first, prev_ls_clock): New static variables.
        * config/spu/spu.h (TARGET_DEFAULT): Add MASK_SAFE_HINTS.
        * config/spu.md (iprefetch): Add operand, make it clobber MEM.
        (nopn_nv): Add a non-volatile version of nop.
        * config/spu/spu.opt (-mdual-nops, -mhint-max-nops,
        -mhint-max-distance, -msafe-hints): New options.

2008-09-05  Janis Johnson  <janis187@us.ibm.com>
            Samuel Tardieu  <sam@rfc1149.net>

        * opts.c (decode_options): Combine nested if statements.

        PR target/37283
        * opts.c (decode_options): Handle more relationships among
        unit-at-a-time, toplevel-reorder, and section-anchors.

2008-09-05  David Daney  <ddaney@avtrex.com>

        * doc/install.texi (--enable-reduced-reflection): Document new option.

2008-09-05  Bob Wilson  <bob.wilson@acm.org>

        * config/xtensa/predicates.md (nonimmed_operand, mem_operand): Use
        constantpool_mem_p.
        (constantpool_operand): New.
        (move_operand): Disallow sub-word modes for the constant pool.
        * config/xtensa/xtensa.c (TARGET_SECONDARY_RELOAD): Define.
        (xtensa_secondary_reload_class): Replace with....
        (xtensa_secondary_reload): this function.  Remove SIGN_EXTEND check.
        Set icode for sub-word reloads from the constant pool.
        * config/xtensa/xtensa.h (SECONDARY_INPUT_RELOAD_CLASS): Delete.
        (SECONDARY_OUTPUT_RELOAD_CLASS): Delete.
        * config/xtensa/xtensa.md (reload<mode>_literal): New.
        * config/xtensa/xtensa-protos.h: Update prototypes.

2008-09-05  Joseph Myers  <joseph@codesourcery.com>

        * config/mips/mips.h (enum reg_class): Add FRAME_REGS.
        (REG_CLASS_NAMES): Update.
        (REG_CLASS_CONTENTS): Update.
        * config/mips/mips.c (mips_regno_to_class): Use FRAME_REGS instead
        of ALL_REGS for regs 77 and 78.
        * function.c (instantiate_virtual_regs_in_insn): Assert that
        return value of simplify_gen_subreg is not NULL.

2008-09-05  Paolo Bonzini  <bonzini@gnu.org>

        * emit-rtl.c (gen_rtvec): Rewrite not using gen_rtvec_v.
        (gen_rtvec_v): Fix coding standards.

2008-09-04  Jan Hubicka  <jh@suse.cz>

        * i386.c (decide_alg): Be more conservative about optimizing for size.

2008-09-04  Ian Lance Taylor  <iant@google.com>

        * varasm.c (narrowing_initializer_constant_valid_p): New
        static function.
        (initializer_constant_valid_p): Call it.

2008-09-04  Jeff Law  <law@redhat.com>

        * fold-const.c (native_encode_real): Fix computation of WORDS.
        (native_interpret_real): Likewise.

2008-09-04  Janis Johnson  <janis187@us.ibm.com>

        * config/rs6000/t-rs6000: Remove target gt-rs6000.h.

2008-09-04  Vladimir Makarov  <vmakarov@redhat.com>

        * ira-conflicts.c (process_regs_for_copy): Check insn to check
        that the cost is already taken into account in ira-costs.c

        * ira-int.h (ira_debug_copy, ira_debug_copies): New.

        * ira-build.c (print_copy, print_copies, ira_debug_copy,
        ira_debug_copies): New.
        (ira_bulid): Call print_copies.

        * doc/tm.texi (IRA_COVER_CLASSES): Fix the description.

2008-09-04  Samuel Tardieu  <sam@rfc1149.net>

        PR target/32783
        * config/rs6000/rs6000.c (optimization_options): Remove check of
        flag_toplevel_order.

2008-09-04  Adam Nemet  <anemet@caviumnetworks.com>

        * config/mips/mips.h (ISA_HAS_SEQ_SNE): New macro.
        * config/mips/mips.c (mips_expand_scc): Also expand seq and sne if
        second operand is a reg_imm10_operand.
        * config/mips/mips.md (*seq_<GPR:mode><GPR2:mode>_seq,
        *sne_<GPR:mode><GPR2:mode>_sne): New patterns.
        (*seq_<GPR:mode><GPR2:mode>): Rename to
        *seq_zero_<GPR:mode><GPR2:mode>.  Don't match if
        ISA_HAS_SEQ_SNE.
        (*seq_<GPR:mode><GPR2:mode>_mips16): Rename to
        *seq_zero_<GPR:mode><GPR2:mode>_mip16.  Don't match if
        ISA_HAS_SEQ_SNE.
        (*sne_<GPR:mode><GPR2:mode>): Rename to
        *sne_zero_<GPR:mode><GPR2:mode>.  Don't match if
        ISA_HAS_SEQ_SNE.

2008-09-04  Adam Nemet  <anemet@caviumnetworks.com>

        * config/mips/mips.h (ISA_HAS_EXTS): New macro.
        * config/mips/mips.md (*ashr_trunc<mode>): Name the pattern
        combining an arithmetic right shift by more than 31 and a
        trunction.  Don't match for out-of-range shift amounts.  Set
        attribute mode to <MODE>.
        (*lshr32_trunc<mode>): Name the pattern combining a logical right
        shift by 32 and and a truncation.  Set attribute mode to <MODE>.
        (*<optab>_trunc<mode>_exts): New pattern for truncated right
        shifts by less than 32.
        (extv): Change predicate on first operand to accept registers.
        Change predicate of the other operands from immediate_operand to
        const_int_operand.  Expand exts when source is a register.
        (extzv): Change predicate of the constant operands from
        immediate_operand to const_int_operand.
        (extzv<mode>): Change predicate of the constant operands from
        immediate_operand to const_int_operand and no constraint. Also
        remove mode.
        (*extzv_trunc<mode>_exts): New pattern.

2008-09-04  Adam Nemet  <anemet@caviumnetworks.com>

        * config/mips/mips.h (ISA_HAS_CINS): New macro.
        * config/mips/mips-protos.h (mask_low_and_shift_p,
        mask_low_and_shift_len): Declare.
        * config/mips/mips.c (mask_low_and_shift_p,
        mask_low_and_shift_len): New functions.
        (mips_print_operand): Handle new operand prefix "m".
        * config/mips/mips.md (*cins<mode>): New pattern.

2008-09-04  Bernd Schmidt  <bernd.schmidt@analog.com>

        * config/bfin/bfin.c (gen_one_bundle): Don't create new nops when
        optimizing for size.

2008-09-04  Richard Sandiford  <rdsandiford@googlemail.com>

        * df-scan.c (df_get_entry_block_def_set): Add STACK_POINTER_REGNUM
        regardless of epilogue_completed.

2008-09-04  Vladimir Makarov  <vmakarov@redhat.com>

        PR middle-end/37359
        * ira-lives.c (process_bb_node_lives): Check setjmp.

2008-09-04  Richard Sandiford  <rdsandiford@googlemail.com>

        PR middle-end/37243
        * ira-build.c (form_loop_tree): Reverse BB walk.
        (create_bb_allocnos): Likewise.
        * ira-lives.c (make_regno_born_and_dead, regs_set): Delete.
        (mark_reg_store): Rename to...
        (mark_ref_live): ...this and take a df_ref argument instead of
        note_stores arguments.  Assert that we have a register.
        (mark_reg_clobber): Delete.
        (def_conflicts_with_inputs_p): New function.
        (mark_reg_conflicts): Delete.
        (mark_reg_death): Rename to...
        (mark_ref_dead): ...this and take a df_ref argument instead of
        a register.  Assert that we have a register.
        (process_bb_node_lives): Hoist frequency calculation out of
        instruction walk.  Convert from a forwards scan to a backwards scan.
        Use DF_REF_USES and DF_REF_DEFS instead of register notes and
        note_stores.  Remove EH_RETURN_DATA_REGNO and regs_set handling.
        (create_allocno_live_ranges): Don't create regs_set.

2008-09-04  Ian Lance Taylor  <iant@google.com>

        * rtl.h (LABEL_REF_NONLOCAL_P): Don't check for REG_LABEL_OPERAND
        or REG_LABEL_TARGET.
        * calls.c (emit_library_call_value_1): Use MEM_P rather than
        comparing MODE with MEM.
        * gimple.c (gimple_build_predict): Cast END_PREDICTORS before
        comparing with GF_PREDICT_TAKEN.
        (gimple_get_lhs): Change code to enum gimple_code.
        (gimple_set_lhs): Likewise.
        * ifcvt.c (noce_process_if_block): Correct GET_MODE to GET_CODE.
        * omp-low.c (find_omp_clause): Change kind parameter to enum
        omp_clause_code.
        * tree-flow.h (find_omp_clause): Update declaration.
        * regrename.c (clear_dead_regs): Change kind parameter to enum
        reg_note.
        * reload1.c (eliminate_regs_1): Use REG_NOTE_KIND rather than
        GET_MODE.
        * see.c (see_get_extension_data): Change return type to enum
        entry_type.  Change UNKNOWN to NOT_RELEVANT, SIGN_EXTEND to
        SIGNED_EXTENDED_DEF, ZERO_EXTEND to ZERO_EXTENDED_DEF.
        (see_gen_normalized_extension): Change extension_code parameter to
        enum entry_type.
        (see_seek_pre_extension_expr): Change extension_code to enum
        entry_type.
        (see_merge_one_def_extension): Likewise.
        (see_handle_relevant_defs): Likewise.
        (see_handle_relevant_uses): Likewise.
        (see_analyze_one_def): Likewise.
        * tree-cfg.c (need_fake_edge_p): Compare gimple code with
        GIMPLE_ASM rather than ASM_EXPR.
        * tree-ssa-alias.c (is_escape_site): Compare gimple code with
        GIMPLE_RETURN rather than RETURN_EXPR.
        * tree-ssa-ccp.c (likely_value): Change code to enum gimple_code.
        (evaluate_stmt): Likewise.
        * tree-vect-analyze.c (vect_analyze_operations): Change relevance
        to enum vect_relevant.
        (vect_mark_stmts_to_be_vectorized): Change assertion to not
        compare gimple codes with tree codes.

2008-09-04  Paul Brook  <paul@codesourcery.com>

        * config/arm/arm.c (arm_size_rtx_costs): Call cost function.

2008-09-04  Bernd Schmidt  <bernd.schmidt@analog.com>

        * config/bfin/bfin.c (bfin_function_ok_for_sibcall): Restore a null
        pointer check lost in the recent no-unit-at-a-time patch.

2008-09-04  Jan Hubicka  <jh@suse.cz>

        PR middle-end/37343
        * tree-switch-conversion.c (check_final_bb): Accept only IP
        invariants.

2008-09-04  Jan Hubicka  <jh@suse.cz>

        * tree-vrp.c (vrp_evaluate_conditional_warnv_with_ops_using_ranges):
        Break out from ...
        (vrp_evaluate_conditional_warnv_with_ops): ... this one.  Add
        using_ranges argument.
        (vrp_evaluate_conditional): Avoid bogus warning for type range.
        (vrp_visit_cond_stmt): Update call of
        vrp_evaluate_conditional_warnv_with_ops

2008-09-04  Jan Hubicka  <jh@suse.cz>

        PR tree-optimization/37345
        PR tree-optimization/37358
        PR tree-optimization/37357
        * tree.c (build_function_type_skip_args): Build distinct type copy;
        set TYPE_CONTEXT.
        (build_function_decl_skip_args): Set type of new decl not orig decl;
        clear DECL_VINDEX for methods turned into functions.

2008-09-04  Nick Clifton  <nickc@redhat.com>

        * configure.ac (HAVE_GAS_LCOMM_WITH_ALIGNMENT): New assembler check.
        * configure: Regenerate.
        * config.in: Regenerate.
        * config/i386/bsd.h (ASM_OUTPUT_ALIGNED_LOCAL): Use .lcomm with an
        alignment field, if it is supported.

2008-09-04  Kai Tietz  <kai.tietz@onevision.com>

        * config/i386/t-mingw32 (SHLIB_LC): Change order of import
        libraries.

2008-09-03  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/rs6000.c (processor_target_table): Do not
        enable VMX for POWER6.

2008-09-03  Anton Blanchard  <anton@samba.org>

        * config/rs6000/rs6000.c (rs6000_split_lock_test_and_set): Do not
        emit memory barrier before operation.

2008-09-03  John David Anglin  <dave.anglin@nrc.cnrc.gc.ca>

        PR testsuite/37325
        * config/pa/pa64-hpux.h (ASM_OUTPUT_EXTERNAL_REAL): Call
        default_elf_asm_output_external.

2008-09-03  Jeff Law  <law@redhat.com>

        * h8300.c (expand_a_shift): Avoid invalid RTL sharing.

2008-09-03  Richard Henderson  <rth@redhat.com>

        * config/alpha/alpha.c (alpha_split_lock_test_and_set): Move
        memory barrier to below the test-and-set.
        (alpha_split_lock_test_and_set_12): Likewise.

2008-09-03  Vladimir Makarov  <vmakarov@redhat.com>

        PR rtl-opt/37243

        * ira-int.h (ira_loop_tree_node): Rename mentioned_allocnos to
        all_allocnos.

        * ira-color.c (print_loop_title): Use all_allocnos.
        (color_pass): Ditto.  Don't add border_allocnos.  Check that
        subloop allocno in the correspdoning bitmap all_allocnos.

        * ira-emit.c (change_loop): Use all_allocnos.

        * ira-build.c (create_loop_tree_nodes, finish_loop_tree_node): Ditto.
        (ira_create_allocno): Set up all_allocnos bit for the created allocno.
        (create_cap_allocno): Remove setting mentioned_allocnos.
        (create_insn_allocnos): Ditto.
        (remove_unnecessary_allocnos): Use all_allocnos.
        (check_allocno_creation): Check that allocnos are in the
        corresponding bitmap all_allocnos.

2008-09-03  Vladimir Makarov  <vmakarov@redhat.com>

        PR rtl-opt/37243

        * ira-conflicts.c (REG_SUBREG_P, go_through_subreg): New.
        (process_regs_for_copy): Process subregs.  Refine check when cost
        is taken into account in ira-costs.c.
        (process_reg_shuffles): Use REG_SUBREG_P.
        (add_insn_allocno_copies): Ditto.  Ignore modes.

        * ira-color.c (conflict_allocno_vec): New.
        (COST_HOP_DIVISOR): New macro.
        (update_copy_costs_1): Use it.
        (update_conflict_hard_regno_costs): New function.
        (assign_hard_reg): Use it.
        (ira_color): Allocate and free conflict_allocno_vec.

2008-09-03  Vladimir Makarov  <vmakarov@redhat.com>

        PR rtl-opt/37296

        * ira-int.h (ira_sort_insn_chain): Remove.

        * ira.c (basic_block_order_nums, chain_insn_order,
        chain_freq_compare, chain_bb_compare, ira_sort_insn_chain): Remove.
        (ira): Don't call ira_sort_insn_chain.

        * reload1.c (reload): Don't call ira_sort_insn_chain.

2008-09-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>

        PR middle-end/37293
        * cgraphunit.c (update_call_expr): Remove eh regions from statements
        which become non throw.
        (cgraph_function_versioning): Also clear DECL_WEAK.  Call
        update_call_expr after updating the flags on the decl.

2008-09-03  Jan Hubicka  <jh@suse.cz>

        PR tree-optimization/37315
        * cgraph.c (cgraph_create_edge): Use gimple_has_body_p.
        * cgraphunit.c (verify_cgraph_node): drop gimple_body check.
        (cgraph_analyze_functions): Use node->analyzed
        (cgraph_mark_functions_to_output): Likewise.
        (cgraph_expand_function): All functions can be released after
        expanding.
        (cgraph_optimize): Use gimple_has_body_p.
        * ipa-inline.c (cgraph_clone_inlined_nodes): Use analyzed flag.
        (cgraph_decide_inlining_incrementally): Likewise.
        (inline_transform): Inline transform.
        * tree-inline.c (initialize_cfun): Do now shallow copy structure;
        copy fields needed.
        (inlinable_function_p): Drop gimple_body check.
        (expand_call_inline): Use gimple_has_body_p.
        * gimple.c (gimple_has_body_p): New.
        * gimple.h (gimple_has_body_p): Add prototype.
        * tree-cfg.c (execute_build_cfg): Remove gimple_body.
        (dump_function_to_file): Use gimple_has_body_p check.

2008-09-03  Jakub Jelinek  <jakub@redhat.com>

        PR c++/37346
        * gimple.h (gimple_has_substatements): GIMPLE_OMP_CRITICAL has
        substatements.
        * tree-inline.c (remap_gimple_stmt): Handle GIMPLE_OMP_CRITICAL.

2008-09-03  Bernd Schmidt  <bernd.schmidt@analog.com>

        From Michael Frysinger  <michael.frysinger@analog.com>
        * config/bfin/bfin.c (bfin_cpus[]): Add 0.1 for bf522, bf523, bf524,
        bf525, bf526, bf527, bf542, bf544, bf547, bf548, and bf549.  Add 0.2
        for bf538.

2008-09-03  Hari Sandanagobalane  <hariharan@picochip.com>

        Add picoChip port.
        * doc/extend.texi: Document picoChip builtin functions.
        * doc/invoke.texi: Document picoChip options.
        * doc/contrib.texi: Add picoChip contribution.
        * doc/md.texi: Document picoChip constraints.
        * config.gcc: Add picochip-*-*.
        * config/picochip/: Add new port.

2008-09-03  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/37328
        * tree-sra.c (sra_build_assignment): Gimplify properly.
        (generate_copy_inout): Take the correct stmt as definition,
        remove bogus assert.

2008-09-03  Bernd Schmidt  <bernd.schmidt@analog.com>

        * config/bfin/bfin.c (bfin_expand_prologue): Honour no_stack_limit
        attributes.

        From Michael Frysinger  <michael.frysinger@analog.com>
        * config/bfin/bfin.c (bfin_handle_option): Remove BF561 warning.

2008-09-03 Danny Smith  <dannysmith@usrs.sourceforge.net>

        * gthr-win32.h (CONST_CAST2): Really make sure CONST_CAST2 is defined.
        (__gthread_setspecific): Revert 2008-08-31 change to
        __GTHREAD_HIDE_W32API case.  Apply it to !__GTHREAD_HIDE_W32API case.

2008-09-02  Aldy Hernandez  <aldyh@redhat.com>

        * diagnostic.c (error_at): New.
        * toplev.h (error_at): New prototype.
        * c-typeck.c (build_array_ref): Call error_at instead of error.
        Pass location to pedwarn.

2008-09-02  Adam Nemet  <anemet@caviumnetworks.com>

        * sel-sched.c (sel_hard_regno_rename_ok): Mark arguments unused.

2008-09-02  Jakub Jelinek  <jakub@redhat.com>

        * dwarf2out.c (tree_add_const_value_attribute): Only handle
        VAR_DECL and CONST_DECL.

2008-09-02  H.J. Lu  <hongjiu.lu@intel.com>
            Jakub Jelinek  <jakub@redhat.com>

        * config/i386/i386.c (X86_64_VARARGS_SIZE): Removed.
        (setup_incoming_varargs_64): Assume cum != NULL. Set/check
        ix86_varargs_gpr_size and ix86_varargs_fpr_size.  Use
        ix86_varargs_gpr_size instead of X86_64_REGPARM_MAX.
        Don't set ix86_save_varrargs_registers.
        (ix86_setup_incoming_varargs): Assume cum != NULL.
        (ix86_va_start): Check ix86_varargs_gpr_size and
        ix86_varargs_fpr_size instead of cfun->va_list_gpr_size and
        cfun->va_list_fpr_size, respectively.  Subtract 8*X86_64_REGPARM_MAX
        from frame pointer if ix86_varargs_gpr_size == 0.
        (ix86_compute_frame_layout): Updated.
        * config/i386/i386.h (ix86_save_varrargs_registers): Removed.
        (ix86_varargs_gpr_size): Define.
        (ix86_varargs_fpr_size): Likewise.
        (machine_function): Remove save_varrargs_registers.
        Add varargs_gpr_size and varargs_fpr_size.

2008-09-02  Jakub Jelinek  <jakub@redhat.com>

        * config/alpha/alpha.c (va_list_skip_additions,
        alpha_stdarg_optimize_hook, alpha_gimplify_va_arg_1): Tuplify.
        (alpha_gimplify_va_arg): Call unshare_expr on second use of
        offset_field.

        PR tree-optimization/36766
        * tree-cfg.c (gimple_purge_all_dead_eh_edges): Do nothing
        for already removed basic blocks.

        PR target/36332
        * real.c (real_maxval): Clear a lower bit to make real_maxval
        match get_max_float for IBM long double format.

2008-09-02  Andreas Schwab  <schwab@suse.de>

        * configure.ac: Use m4_quote to quote the expansion of m4_do.
        * configure: Regenerate.

2008-09-02  Richard Sandiford  <rdsandiford@googlemail.com>

        * simplify-rtx.c (simplify_binary_operation_1): Check for CONST,
        SYMBOL_REF and LABEL_REF when applying plus_constant, instead of
        checking for a non-VOID CONSTANT_P.

2008-09-02  Jan Hubicka  <jh@suse.cz>

        * predict.c (pass_strip_predict_hints): Avoid bugs dump file.
        * expmed.c (expand_divmod): Fix test of smod_pow2_cheap and
        sdiv_pow2_cheap

2008-09-02  H.J. Lu  <hongjiu.lu@intel.com>

        * expr.c (emit_group_store): Don't assert stack temp mode size.

2008-09-02  Sebastian Pop  <sebastian.pop@amd.com>
            Tobias Grosser  <grosser@fim.uni-passau.de>
            Jan Sjodin  <jan.sjodin@amd.com>
            Harsha Jagasia  <harsha.jagasia@amd.com>
            Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
            Konrad Trifunovic  <konrad.trifunovic@inria.fr>
            Adrien Eliche  <aeliche@isty.uvsq.fr>

        Merge from graphite branch.
        * graphite.c: New.
        * graphite.h: New.
        * tree-loop-linear.c (perfect_loop_nest_depth): Export.
        * doc/invoke.texi (-floop-block, -floop-interchange,
        -floop-strip-mine): Document new flags.
        * tree-into-ssa.c (gimple_vec): Moved...
        * tree-loop-distribution.c (rdg_component): Moved...
        * cfgloopmanip.c: Include tree-flow.h.
        (update_dominators_in_loop): New.
        (create_empty_if_region_on_edge): New.
        (create_empty_loop_on_edge): New.
        (loopify): Use update_dominators_in_loop.
        * tree-pass.h (pass_graphite_transforms): Declared.
        * configure: Regenerate.
        * tree-phinodes.c (make_phi_node): Export.
        (add_phi_node_to_bb): New, split from create_phi_node.
        * tree-chrec.c (for_each_scev_op): New.
        * tree-chrec.h (for_each_scev_op): Declared.
        * tree-ssa-loop-ivopts.c (get_phi_with_result): New.
        (remove_statement): Call get_phi_with_result.
        * config.in (HAVE_cloog): Undef.
        * gdbinit.in (pgg): New.
        * timevar.def (TV_GRAPHITE_TRANSFORMS): New.
        * tree-ssa-loop.c (graphite_transforms): New.
        (gate_graphite_transforms): New.
        (pass_graphite_transforms): New.
        * configure.ac (PPLLIBS, PPLINC, CLOOGLIBS, CLOOGINC,
        HAVE_cloog): Defined.
        * tree-vectorizer.c (rename_variables_in_bb): Export.
        * tree-data-ref.c (dr_may_alias_p): Export.
        (stmt_simple_memref_p): New.
        (find_data_references_in_stmt): Export.
        (find_data_references_in_loop): Export.
        (create_rdg_edge_for_ddr): Initialize RDGE_RELATION.
        (create_rdg_edges_for_scalar): Initialize RDGE_RELATION.
        (create_rdg_vertices): Export.
        (build_empty_rdg): New.
        (build_rdg): Call build_empty_rdg.  Free dependence_relations.
        * tree-data-ref.h (rdg_component): ... here.
        (scop_p): New.
        (struct data_reference): Add a field scop.
        (DR_SCOP): New.
        (find_data_references_in_loop): Declared.
        (find_data_references_in_stmt): Declared.
        (create_rdg_vertices): Declared.
        (dr_may_alias_p): Declared.
        (stmt_simple_memref_p): Declared.
        (struct rdg_edge): Add a field ddr_p relation.
        (build_empty_rdg): Declared.
        * lambda.h (lambda_matrix): Declare a VEC of.
        (find_induction_var_from_exit_cond): Declared.
        (lambda_vector_compare): New.
        * common.opt (fgraphite, floop-strip-mine,
        floop-interchange, floop-block): New flags.
        * lambda-code.c (find_induction_var_from_exit_cond): Export.
        * cfgloop.c (is_loop_exit): New.
        * cfgloop.h (is_loop_exit): Declared.
        (create_empty_if_region_on_edge): Declared.
        (create_empty_loop_on_edge): Declared.
        * tree-flow.h (add_phi_node_to_bb): Declared.
        (make_phi_node): Declared.
        (rename_variables_in_bb): Declared.
        (perfect_loop_nest_depth): Declared.
        (graphite_transform_loops): Declared.
        * Makefile.in (cfgloopmanip.o): Depend on TREE_FLOW_H.
        (graphite.o-warn): Add -Wno-error.
        (PPLLIBS, PPLINC, CLOOGLIBS, CLOOGINC): Declared.
        (LIBS): Add GMPLIBS, CLOOGLIBS, PPLLIBS.
        (INCLUDES): Add PPLINC, CLOOGINC.
        (OBJS-common): Add graphite.o.
        (graphite.o): Add rule.
        * gimple.h (gimple_vec): ... here.
        * tree-cfg.c (print_loops): Start printing at ENTRY_BLOCK_PTR.
        * passes.c (init_optimization_passes): Schedule
        pass_graphite_transforms.

2008-09-02  Samuel Tardieu  <sam@rfc1149.net>

        PR target/37283
        * opts.c (decode_options): Move processing of -fno-unit-at-a-time
        and -fno-toplevel-reorder after handle_options.

2008-09-02  Paul Brook  <paul@codesourcery.com>

        * config/arm/arm.c (arm_tune_cortex_a9): Define.
        (arm_override_options): Set arm_tune_cortex_a9.
        (arm_rtx_costs_1): Make register shifts more expensive on Cortex-A9.
        (arm_issue_rate): Handle cortexa9.
        * config/arm/arm.h (arm_tune_cortex_a9): Declare.
        * config/arm/arm-cores.def: Add cortex-a9.
        * config/arm/arm-tune.md: Regenerate.
        * config/arm/arm.md: Include cortex-a9.md.
        (generic_sched, generic_vfp): Add cortexa9.
        * config/arm/cortex-a9.md: New file.

2008-09-02  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/37327
        * tree-vrp.c (register_new_assert_for): Make sure to not have
        TREE_OVERFLOW set on the bound.

2008-09-02  Alexander Monakov  <amonakov@ispras.ru>

        Fixed typo in date of the 2008-09-01 MOVE_RATIO commit.

        * config/ia64/ia64.opt (msched-ar-data-spec): Default to 1.
        * config/ia64/ia64.c (ia64_set_sched_flags): Always initialize
        spec_info->mask.

2008-09-02  Victor Kaplansky  <victork@il.ibm.com>

        * gcc/config/spu/spu.md (divdf3): Removed.

2008-09-02  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/37095
        * cgraph.c (cgraph_node): When creating new cgraph node after
        assembler_name_hash has been populated, record it in the hash
        table.

2008-09-01  Paul Brook  <paul@codesourcery.com>

        * doc/invoke.texi: Document -mword-relocations.
        * config/arm/uclinux-elf.h (TARGET_DEFAULT_WORD_RELOCATIONS): Define.
        * config/arm/symbian.h (TARGET_DEFAULT_WORD_RELOCATIONS): Define.
        * config/arm/vxworks.h (TARGET_DEFAULT_WORD_RELOCATIONS): Define.
        * config/arm/arm.c (arm_split_constant): Use arm_emit_movpair.
        (arm_rtx_costs_1, arm_size_rtx_costs): Handle HIGH and LO_SUM.
        (arm_emit_movpair): New function.
        (arm_print_operand <c>): Handle sybolic addresses.
        * config/arm/arm.h (TARGET_USE_MOVT): Define.
        (TARGET_DEFAULT_WORD_RELOCATIONS): Define.
        * config/arm/arm-protos.h (arm_emit_movpair): Add prototype.
        * config/arm/arm.opt: Add -mword-relocations.
        * config/arm/arm.md (movsi): Use arm_emit_movpair.
        (arm_movt, arm_movw): New.

2008-09-01  Paul Brook  <paul@codesourcery.com>

        * config/arm/arm.c (arm_override_options): Set arm_abi earlier.
        Allow Interworking on ARMv4 EABI based targets.
        * config/arm/bpabi.h (TARGET_FIX_V4BX_SPEC): Define.
        (SUBTARGET_EXTRA_ASM_SPEC, LINK_SPEC): Add TARGET_FIX_V4BX_SPEC.

2008-09-01  Paul Brook  <paul@codesourcery.com>

        * config/arm/thumb2.md (thumb2_negscc): Match the correct operand for
        optimized LT0 test.  Remove optimization for GT.

2008-09-01  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        * pa64-hpux.h (LIB_SPEC): Link against librt when building static
        openmp applications.
        * pa-hpux11.h (LIB_SPEC): Likewise.

        * ira.c (setup_eliminable_regset): Only declare i if ELIMINABLE_REGS
        is defined.

2008-09-01  Jan Hubicka  <jh@suse.cz>

        * predict.c (maybe_hot_count_p, maybe_hot_edge_p): When profile is
        present, use only counts; when guessed use only frequencies.
        (estimate_bb_frequencies): Use function_frequency.
        * profile.c (compute_branch_probabilities): Exit early when
        profile reading failed. Set profile_status.
        (branch_prob): Do not set profile_status.

2008-09-01  Aldy Hernandez  <aldyh@redhat.com>

        * tree.c (protected_set_expr_location): New.
        * tree.h (protected_set_expr_location): New prototype.
        * c-tree.h (build_array_ref): Add argument.
        (parser_build_unary_op): Same.
        * c-typeck.c (build_indirect_ref): Handle new location argument.
        (build_array_ref): Same.
        (parser_build_unary_op): Same.
        * gimplify.c (gimplify_asm_expr): Set input_location before calling
        error.
        * c-omp.c (c_finish_omp_atomic): Pass location when calling
        build_indirect_ref.
        * c-common.c (finish_label_address_expr): Handle new location argument.
        * c-common.h (build_indirect_ref): Add argument.
        (finish_label_address_expr): Same.
        * c-parser.c (c_parser_unary_expression): Pass location to build
        functions.
        (c_parser_postfix_expression): Same.

2008-09-01  Paul Brook  <paul@codesourcery.com>

        * config/arm/arm.md: Include cortex-r4f.md.
        (attr fpu): Update type list.
        (attr type): Add fcpys, ffariths, ffarithd, fadds, faddd, fconsts,
        fconstd, fcmps and fcmpd.
        (attr tune_cortexr4): Define.
        (attr generic_sched, attr generic_vfp): Use tune_cortexr4.
        * config/arm/vfp.md: Document fcpys, ffariths, ffarithd, fadds, faddd,
        fconsts, fconstd, fcmps and fcmpd.  Use them in insn patterns.
        * config/arm/arm.c (arm_issue_rate): Add cortexr4f.
        * config/arm/arm1020e.md (v10_ffarith, v10_farith): Use new insn types.
        * config/arm/cortex-a8-neon.md (cortex_a8_vfp_add_sub,
        cortex_a8_vfp_farith: Ditto.
        * config/arm/vfp11.md (vfp_ffarith, vfp_farith): Ditto.
        * config/arm/cortex-r4.md: Use tune_cortexr4.
        * config/arm/cortex-r4f.md: New file.

2008-09-01  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/37305
        * tree-ssa-ccp.c (ccp_fold): Do not set TREE_OVERFLOW on
        the result of constant conversions.
        (fold_gimple_assign): Likewise.

2008-09-01  Andrey Belevantsev  <abel@ispras.ru>

        * sel-sched-ir.c (cmp_v_in_regset_pool): Surround with
        #ifdef ENABLE_CHECKING.

2008-09-01  Andrey Belevantsev  <abel@ispras.ru>

        * sel-sched-dump.c: Surround with #ifdef INSN_SCHEDULING.
        * sched-int.h (print_insn, print_pattern, print_value): Declare also
        when !INSN_SCHEDULING.

2008-09-01  Andreas Schwab  <schwab@suse.de>

        * config/ia64/ia64.c (TARGET_ADDRESS_COST): Update.

2008-09-01  Paul Brook  <paul@codesourcery.com>

        * config/arm/arm.c (arm_no_early_mul_dep): Handle multiply-subtract.

2008-09-01  Jan Hubicka  <jh@suse.cz>

        * config/spu/spu.c (spu_expand_block_move) Update call of MOVE_RATIO.

        * expr.c (MOVE_BY_PIECES_P, CLEAR_BY_PIECES_P, SET_BY_PIECES_P):
        Pass speed operand.
        * expr.h (MOVE_RATIO, CLEAR_RATIO, SET_RATIO): Update.
        * gimplify.c (gimplify_init_constructor): Add speed operand.
        * tree-sra.c (decide_block_copy): Likewise.
        * tree-inline.c (estimate_move_cost): Likewise.
        * config/alpha/alpha.h (MOVE_RATIO): Update.
        * config/frv/frv.c (MOVE_RATIO): Update.
        * config/spu/spu.h (MOVE_RATIO): Update.
        * config/sparc/sparc.h (MOVE_RATIO): Update.
        * config/i386/i386.h (MOVE_RATIO, CLEAR_RATIO): Update.
        * config/m68hc11/m68hc11.h (MOVE_RATIO): Update.
        * config/cris/cris.h (MOVE_RATIO): Update.
        * config/mn10300/mn10300.h (MOVE_RATIO): Update.
        * config/arm/arm.h (MOVE_RATIO): Update.
        * config/pa/pa.md: Update uses of MOVE_RATIO
        * config/pa/pa.h (MOVE_RATIO): Update.
        * config/mips/mips.h (MOVE_RATIO, MOVE_BY_PIECES,
        CLEAR_RATIO, SET_RATIO): Update.
        * config/h8300/h8300.h (MOVE_RATIO): Update.
        * config/v850/v850.h (MOVE_RATIO): Update.
        * config/bfin/bfin.h (MOVE_RATIO): Update.

2008-08-31  Andrey Belevantsev  <abel@ispras.ru>
            Dmitry Melnik  <dm@ispras.ru>
            Dmitry Zhurikhin  <zhur@ispras.ru>
            Alexander Monakov  <amonakov@ispras.ru>
            Maxim Kuvyrkov  <maxim@codesourcery.com>

        * sel-sched.h, sel-sched-dump.h, sel-sched-ir.h, sel-sched.c,
        sel-sched-dump.c, sel-sched-ir.c: New files.
        * Makefile.in (OBJS-common): Add selective scheduling object files.
        (sel-sched.o, sel-sched-dump.o, sel-sched-ir.o): New entries.
        (SEL_SCHED_IR_H, SEL_SCHED_DUMP_H): New entries.
        (sched-vis.o): Add dependency on $(INSN_ATTR_H).
        * cfghooks.h (get_cfg_hooks, set_cfg_hooks): New prototypes.
        * cfghooks.c (get_cfg_hooks, set_cfg_hooks): New functions.
        (make_forwarder_block): Update loop latch if we have redirected
        the loop latch edge.
        * cfgloop.c (get_loop_body_in_custom_order): New function.
        * cfgloop.h (LOOPS_HAVE_FALLTHRU_PREHEADERS): New enum field.
        (CP_FALLTHRU_PREHEADERS): Likewise.
        (get_loop_body_in_custom_order): Declare.
        * cfgloopmanip.c (has_preds_from_loop): New.
        (create_preheader): Honor CP_FALLTHRU_PREHEADERS.
        Assert that the preheader edge will be fall thru when it is set.
        * common.opt (fsel-sched-bookkeeping, fsel-sched-pipelining,
        fsel-sched-pipelining-outer-loops, fsel-sched-renaming,
        fsel-sched-substitution, fselective-scheduling): New flags.
        * cse.c (hash_rtx_cb): New.
        (hash_rtx): Use it.
        * dbgcnt.def (sel_sched_cnt, sel_sched_region_cnt,
        sel_sched_insn_cnt): New counters.
        * final.c (compute_alignments): Export.  Free dominance
        info after loop_optimizer_finalize.
        * genattr.c (main): Output maximal_insn_latency prototype.
        * genautomata.c (output_default_latencies): New.
        Factor its code from ...
        (output_internal_insn_latency_func): ... here.
        (output_internal_maximal_insn_latency_func): New.
        (output_maximal_insn_latency_func): New.
        * hard-reg-set.h (UHOST_BITS_PER_WIDE_INT): Define unconditionally.
        (struct hard_reg_set_iterator): New.
        (hard_reg_set_iter_init, hard_reg_set_iter_set,
        hard_reg_set_iter_next): New functions.
        (EXECUTE_IF_SET_IN_HARD_REG_SET): New macro.
        * lists.c (remove_free_INSN_LIST_node,
        remove_free_EXPR_LIST_node): New functions.
        * loop-init.c (loop_optimizer_init): When
        LOOPS_HAVE_FALLTHRU_PREHEADERS, set CP_FALLTHRU_PREHEADERS when
        calling create_preheaders.
        (loop_optimizer_finalize): Do not verify flow info after reload.
        * recog.c (validate_replace_rtx_1): New parameter simplify.
        Default it to true.  Update all uses.  Factor out simplifying
        code to ...
        (simplify_while_replacing): ... this new function.
        (validate_replace_rtx_part,
        validate_replace_rtx_part_nosimplify): New.
        * recog.h (validate_replace_rtx_part,
        validate_replace_rtx_part_nosimplify): Declare.
        * rtl.c (rtx_equal_p_cb): New.
        (rtx_equal_p): Use it.
        * rtl.h (rtx_equal_p_cb, hash_rtx_cb): Declare.
        (remove_free_INSN_LIST_NODE, remove_free_EXPR_LIST_node,
        debug_bb_n_slim, debug_bb_slim,    print_rtl_slim): Likewise.
        * vecprim.h: Add a vector type for unsigned int.
        * haifa-sched.c: Include vecprim.h and cfgloop.h.
        (issue_rate, sched_verbose_param, note_list, dfa_state_size,
        ready_try, cycle_issued_insns, spec_info): Make global.
        (readyp): Initialize.
        (dfa_lookahead): New global variable.
        (old_max_uid, old_last_basic_block): Remove.
        (h_i_d): Make it a vector.
        (INSN_TICK, INTER_TICK, QUEUE_INDEX, INSN_COST): Make them work
        through HID macro.
        (after_recovery, adding_bb_to_current_region_p):
        New variables to handle correct insertion of the recovery code.
        (struct ready_list): Move declaration to sched-int.h.
        (rgn_n_insns): Removed.
        (rtx_vec_t): Move to sched-int.h.
        (find_insn_reg_weight): Remove.
        (find_insn_reg_weight1): Rename to find_insn_reg_weight.
        (haifa_init_h_i_d, haifa_finish_h_i_d):
        New functions to initialize / finalize haifa instruction data.
        (extend_h_i_d, init_h_i_d): Rewrite.
        (unlink_other_notes): Move logic to add_to_note_list.  Handle
        selective scheduler.
        (ready_lastpos, ready_element, ready_sort, reemit_notes,
        find_fallthru_edge): Make global, remove static prototypes.
        (max_issue): Make global.  Add privileged_n and state parameters.  Use
        them.
        (extend_global, extend_all): Removed.
        (init_before_recovery): Add new param.  Fix the handling of the case
        when we insert a recovery code before the EXIT which has a predecessor
        with a fallthrough edge to it.
        (create_recovery_block): Make global.  Rename to
        sched_create_recovery_block.  Update.
        (change_pattern): Rename to sched_change_pattern.  Make global.
        (speculate_insn): Rename to sched_speculate_insn.  Make global.
        Split haifa-specific functionality into ...
        (haifa_change_pattern): New static function.
        (sched_extend_bb): New static function.
        (sched_init_bbs): New function.
        (current_sched_info): Change type to struct haifa_sched_info.
        (insn_cost): Adjust for selective scheduling.
        (dep_cost_1): New function.  Move logic from ...
        (dep_cost): ... here.
        (dep_cost): Use dep_cost_1.
        (contributes_to_priority_p): Use sched_deps_info instead of
        current_sched_info.
        (priority): Adjust to work with selective scheduling.  Process the
        corner case when all dependencies don't contribute to priority.
        (rank_for_schedule): Use ds_weak instead of dep_weak.
        (advance_state): New function.  Move logic from ...
        (advance_one_cycle): ... here.
        (add_to_note_list, concat_note_lists): New functions.
        (rm_other_notes): Make static.  Adjust for selective scheduling.
        (remove_notes, restore_other_notes): New functions.
        (move_insn): Add two arguments.  Update assert.  Don't call
        reemit_notes.
        (choose_ready): Remove lookahead variable, use dfa_lookahead.
        Remove more_issue, max_points.  Move the code to initialize
        max_lookahead_tries to max_issue.
        (schedule_block): Remove rgn_n_insns1 parameter.  Don't allocate
        ready.  Adjust use of move_insn.  Call restore_other_notes.
        (luid): Remove.
        (sched_init, sched_finish): Move Haifa-specific initialization/
        finalization to ...
        (haifa_sched_init, haifa_sched_finish): ... respectively.
        New functions.
        (setup_sched_dump): New function.
        (haifa_init_only_bb): New static function.
        (haifa_speculate_insn): New static function.
        (try_ready): Use haifa_* instead of speculate_insn and change_pattern.
        (extend_ready, extend_all): Remove.
        (sched_extend_ready_list, sched_finish_ready_list): New functions.
        (create_check_block_twin, add_to_speculative_block): Use
        haifa_insns_init instead of extend_global.  Update to use new
        initialization functions.  Change parameter.  Factor out code from
        create_check_block_twin to ...
        (sched_create_recovery_edges) ... this new function.
        (add_block): Remove.
        (sched_scan_info): New.
        (extend_bb): Use sched_scan_info.
        (init_bb, extend_insn, init_insn, init_insns_in_bb, sched_scan): New
        static functions for walking through scheduling region.
        (sched_luids): New vector variable to replace uid_to_luid.
        (luids_extend_insn): New function.
        (sched_max_luid): New variable.
        (luids_init_insn): New function.
        (sched_init_luids, sched_finish_luids): New functions.
        (insn_luid): New debug function.
        (sched_extend_target): New function.
        (haifa_init_insn): New static function.
        (sched_init_only_bb): New hook.
        (sched_split_block): New hook.
        (sched_split_block_1): New function.
        (sched_create_empty_bb): New hook.
        (sched_create_empty_bb_1): New function.
        (common_sched_info, ready): New global variables.
        (current_sched_info_var): Remove.
        (move_block_after_check): Use common_sched_info.
        (haifa_luid_for_non_insn): New static function.
        (init_before_recovery): Use haifa_init_only_bb instead of add_block.
        (increase_insn_priority): New.
        * modulo-sched.c: (issue_rate): Remove static declaration.
        (sms_sched_info): Change type to haifa_sched_info.
        (sms_sched_deps_info, sms_common_sched_info): New variables.
        (setup_sched_infos): New.
        (sms_schedule): Initialize them.  Call haifa_sched_init/finish.
        Do not call regstat_free_calls_crossed.
        (sms_print_insn): Use const_rtx.
        * params.def (PARAM_MAX_PIPELINE_REGION_BLOCKS,
        PARAM_MAX_PIPELINE_REGION_INSNS, PARAM_SELSCHED_MAX_LOOKAHEAD,
        PARAM_SELSCHED_MAX_SCHED_TIMES, PARAM_SELSCHED_INSNS_TO_RENAME,
        PARAM_SCHED_MEM_TRUE_DEP_COST): New.
        * sched-deps.c (sched_deps_info): New.  Update all relevant uses of
        current_sched_info to use it.
        (enum reg_pending_barrier_mode): Move to sched-int.h.
        (h_d_i_d): New variable. Initialize to NULL.
        ({true, output, anti, spec, forward}_dependency_cache): Initialize
        to NULL.
        (estimate_dep_weak): Remove static declaration.
        (sched_has_condition_p): New function.  Adjust users of
        sched_get_condition to use it instead.
        (conditions_mutex_p): Add arguments indicating which conditions are
        reversed.  Use them.
        (sched_get_condition_with_rev): Rename from sched_get_condition.  Add
        argument to indicate whether returned condition is reversed.  Do not
        generate new rtx when condition should be reversed; indicate it by
        setting new argument instead.
        (add_dependence_list_and_free): Add deps parameter.
        Update all users.  Do not free dependence list when
        deps context is readonly.
        (add_insn_mem_dependence, flush_pending_lists): Adjust for readonly
        contexts.
        (remove_from_dependence_list, remove_from_both_dependence_lists): New.
        (remove_from_deps): New. Use the above functions.
        (cur_insn, can_start_lhs_rhs_p): New static variables.
        (add_or_update_back_dep_1): Initialize present_dep_type.
        (haifa_start_insn, haifa_finish_insn, haifa_note_reg_set,
        haifa_note_reg_clobber, haifa_note_reg_use, haifa_note_mem_dep,
        haifa_note_dep): New functions implementing dependence hooks for
        the Haifa scheduler.
        (note_reg_use, note_reg_set, note_reg_clobber, note_mem_dep,
        note_dep): New functions.
        (ds_to_dt, extend_deps_reg_info, maybe_extend_reg_info_p): New
        functions.
        (init_deps): Initialize last_reg_pending_barrier and deps->readonly.
        (free_deps): Initialize deps->reg_last.
&nbs