* config/m68k/m68k.c (sched-int.h, insn-codes.h): New includes.

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

2007-11-06  Maxim Kuvyrkov  <maxim@codesourcery.com>

        * config/m68k/m68k.c (sched-int.h, insn-codes.h): New includes.
        (TARGET_SCHED_ADJUST_COST, TARGET_SCHED_VARIABLE_ISSUE,
        TARGET_SCHED_INIT_GLOBAL, TARGET_SCHED_FINISH_GLOBAL,
        TARGET_SCHED_INIT, TARGET_SCHED_DFA_PRE_ADVANCE_CYCLE,
        TARGET_SCHED_DFA_POST_ADVANCE_CYCLE): Redefine.
        (m68k_sched_attr_type2): New function.
        (sched_adjust_cost_state): New static variable.
        (m68k_sched_adjust_cost): New static function implementing
        scheduler hook.
        (sched_ib_size, sched_ib_filled, sched_ib_insn, sched_mem_unit_code):
        New static variables.
        (m68k_sched_variable_issue): New static function implementing
        scheduler hook.
        (sched_dump_class_def, sched_dump_class_func_t): New typedefs.
        (sched_dump_split_class): New static function.
        (sched_dump_dfa_guess_unit_code, sched_dump_dfa_state): New static
        variables.
        (sched_dump_dfa_class, m68k_sched_dump): New static function.
        (m68k_sched_md_init_global, m68k_sched_md_finish_global,
        m68k_sched_md_init, m68k_sched_dfa_pre_advance_cycle,
        m68k_sched_dfa_post_advance_cycle): New static functions implementing
        scheduler hooks.

        * config/m68k/m68k.h (m68k_sched_attr_type2): Declare.
        (CPU_UNITS_QUERY): Define.

        * config/m68k/cf.md: New file.
        * config/m68k/m68.md (cf.md): New include.

2007-11-06  Tom Tromey  <tromey@redhat.com>

        PR c++/32256, PR c++/32368:
        * function.c (saved_in_system_header): New global.
        (push_cfun): Save in_system_header.
        (pop_cfun): Restore in_system_header.
        (push_struct_function): Save in_system_header.

2007-11-06  Douglas Gregor  <doug.gregor@gmail.com>

        PR c++/33977
        PR c++/33886
        * c-common.c (c_build_qualified_type): Moved to c-typeck.c.
        (complete_array_type): Set canonical type appropriately.
        * c-typeck.c (c_build_qualified_type): Moved from c-common.c. The
        C and C++ front ends now have different versions of this function,
        because the C++ version needs to maintain canonical types here.

2007-11-04  Razya Ladelsky  <razya@il.ibm.com>
        
        * tree-parloops.c (reduction_info): Remove reduction_init field.
        (initialize_reductions): Remove creation of the reduction_init variable.
        (struct data_arg): Remove.
        (add_field_for_reduction, create_stores_for_reduction): New functions.
        (add_field_for_name): Remove reduction handling.
        (separate_decls_in_loop): Call add_field_for_reduction, 
        create_stores_for_reduction.

2007-11-06  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/33458
        * tree-inline.c (copy_phis_for_bb): If PHI arg substitution creates
        !is_gimple_val PHI argument, gimplify it and insert it on edge.

        PR tree-optimization/33993
        * tree-vect-transform.c (vect_get_constant_vectors): Use build_vector
        rather than build_constructor_from_list if all list values are
        constants.
        (get_initial_def_for_induction): Use build_vector instead of
        build_constructor_from_list.

2007-11-05  Mark Mitchell  <mark@codesourcery.com>

        PR target/33579
        * tree.h (DECL_INIT_PRIORITY): Do not require
        DECL_HAS_INIT_PRIORITY_P.
        (DECL_FINI_PRIORITY): Likewise.
        * tree.c (decl_init_priority_lookup): Remove assert.
        (decl_fini_priority_insert): Likewise.
        * cgraphunit.c (static_ctors): Make it a VEC.
        (static_dtors): Likewise.
        (record_cdtor_fn): Adjust accordingly.
        (build_cdtor): Generate multiple functions for each initialization
        priority.
        (compare_ctor): New function.
        (compare_dtor): Likewise.
        (cgraph_build_cdtor_fns): Sort the functions by priority before
        calling build_cdtor.
        (cgraph_build_static_cdtor): Put the priority in the function's
        name.

2007-11-05  H.J. Lu  <hongjiu.lu@intel.com>

        PR driver/32632
        * common.opt: Add shared and pie.

2007-11-05  Bob Wilson  <bob.wilson@acm.org>

        * config/xtensa/xtensa.c (xtensa_expand_nonlocal_goto): Do not
        replace references to virtual_stack_vars_rtx in goto_handler.
        
2007-11-05  Paul Brook  <paul@codesourcery.com>

        * Makefile.target: Add ssd0303.o, pl022.o and ssd0323.o.
        * vl.c (register_machines): Add lm3s6965evb_machine.
        * vl.h (armv7m_init): Add.
        (lm3s6965evb_machine): Declare.
        (pl022_init): New prototype.
        (ssd0323_xfer_ssi, ssd0323_init): New prototype.
        * hw/ssd0323.c: New file.
        * hw/armv7m.c (armv7m_init): Remove board init code.
        (lm3s811evb_machine): Remove.
        * hw/osram_oled.c: Rename...
        * hw/ssd0303.c: ... to this.
        * hw/pl022.c: New file.
        * hw/stellaris.c: Define and use stellaris_boards.
        (lm3s811evb_machine, lm3s6965evb_machine): New.

2007-11-05  Nick Clifton  <nickc@redhat.com>
            Sebastian Pop  <sebastian.pop@amd.com>

        PR tree-optimization/32540
        PR tree-optimization/33922
        * doc/invoke.texi: Document PARAM_MAX_PARTIAL_ANTIC_LENGTH.
        * tree-ssa-pre.c: Include params.h.
        (compute_partial_antic_aux): Use PARAM_MAX_PARTIAL_ANTIC_LENGTH
        to limit the maximum length of the PA set for a given block.
        * Makefile.in: Add a dependency upon params.h for tree-ssa-pre.c
        * params.def (PARAM_MAX_PARTIAL_ANTIC_LENGTH): New parameter.

2007-11-05  Nathan Sidwell  <nathan@codesourcery.com>

        * libgcc2.c (__fixunstfDI, __fixunsxfDI, __fixunsdfDI,
        __fixunssfDI): Make return type unsigned.
        * libgcc2.h (__fixunstfDI, __fixunsxfDI, __fixunsdfDI,
        __fixunssfDI): Make return type unsigned.

2007-11-05  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/33856
        * tree-data-ref.c (get_references_in_stmt): Don't add
        REFERENCE_CLASS_P trees to references vector if get_base_address
        returns NULL on them.

2007-11-05  Alexandre Oliva  <aoliva@redhat.com>

        * cfg.c (dump_cfg_bb_info): Update bb_bitnames to match enum.

2007-11-04  Andrew Pinski  <pinskia@gmail.com>

        PR middle-end/32931
        * fold-const.c (fold_binary <case EQ_EXPR>): Convert the inner type
        for TRUTH_NOT_EXPR to type.

2007-11-04  Gerald Pfeifer  <gerald@pfeifer.com>

        * doc/contrib.texi (Contributors): Add Manuel Lopez-Ibanez.

2007-11-04  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>

        PR fortran/10220
        * dwarf2out.c (add_calling_convention_attribute): Change
        second argument. Set calling convention to DW_CC_program for
        Fortran main program.
        (gen_subprogram_die): Adjust to new prototype for
        add_calling_convention_attribute.

2007-11-03  Dorit Nuzman  <dorit@il.ibm.com>

        PR tree-optimization/33987
        * tree-vect-transform.c (get_initial_def_for_reduction): Fix assert.
        Fix indentation.
        (vectorizable_reduction): Add type check.

2007-11-03  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>

        PR c/29062
        * c-parser.c (c_parser_statement_after_labels): Error if a
        declaration is parsed after a label.
        
2007-11-03  Daniel Jacobowitz  <dan@codesourcery.com>

        PR debug/33921
        * reorg.c (emit_delay_sequence): Do not clear the locator on
        the jump instruction.

2007-11-03  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/33670
        * haifa-sched.c (ok_for_early_queue_removal): Don't walk out of the
        current sched region.

2007-11-02  Jakub Jelinek  <jakub@redhat.com>

        * config/ia64/ia64.c (struct reg_write_state): Change into
        unsigned short bitfields rather than unsigned int, decrease
        first_pred to just 10 bits.
        (rws_insn): Change into a bitmap or if not ENABLE_CHECKING
        into two char array.
        (rws_insn_set, rws_insn_test): New functions.
        (in_safe_group_barrier): New variable.
        (rws_update): Remove first argument, always set rws_sum array.
        (rws_access_regno): Use rws_insn_set macro.  Only call rws_update
        or update rws_sum if !in_safe_group_barrier, adjust rws_update
        args.
        (rtx_needs_barrier): Use rws_insn_test macro.
        (safe_group_barrier_needed): Don't save/restore rws_sum array,
        instead set/clear in_safe_group_barrier flag.

2007-11-02  Bob Wilson  <bob.wilson@acm.org>

        * config/xtensa/xtensa.c (xtensa_expand_prologue): Put a
        REG_FRAME_RELATED_EXPR note on the last insn that sets up the stack
        pointer or frame pointer.
        * config/xtensa/xtensa.h (DWARF_UNWIND_INFO): Delete.
        (MUST_USE_SJLJ_EXCEPTIONS): Define.
        (DWARF2_UNWIND_INFO): Define.
        (INCOMING_RETURN_ADDR_RTX): Define.
        (DWARF_FRAME_RETURN_COLUMN): Define.

2007-11-02  Tom Tromey  <tromey@redhat.com>

        * varpool.c (dump_varpool): Use 'next', not 'next_needed' when
        traversing pool.

2007-11-02  Diego Novillo  <dnovillo@google.com>

        * langhooks.h (struct lang_hooks_for_callgraph): Remove third
        argument from function pointer ANALYZE_EXPR.  Update all
        users.
        * cgraph.c (debug_cgraph_node): New.
        (debug_cgraph): New.

2007-11-02  Jakub Jelinek  <jakub@redhat.com>

        PR rtl-optimization/33648
        * cfgrtl.c (cfg_layout_split_edge): Initialize BB_PARTITION of
        the newly created basic block.

2007-11-01  Richard Guenther  <rguenther@suse.de>

        * ggc-page.c (extra_order_size_tab): Add bitmap_head size.

2007-11-01  Steven Bosscher  <stevenb.gcc@gmail.com>

        PR rtl-optimization/33828
        * gcse.c (compute_code_hoist_vbeinout): Fix order of computation
        of VBEIN and VBEOUT.

2007-11-01  Eric Botcazou  <ebotcazou@libertysurf.fr>

        * optabs.c (prepare_cmp_insn): Merge a couple of conditional blocks.
        * sched-rgn.c (compute_trg_info): Zero 'el' local variable.
        * tree-if-conv.c (process_phi_nodes): Zero 'cond' local variable.

2007-11-01  Nathan Sidwell  <nathan@codesourcery.com>

        * gcc.c (getenv_spec_function): Escape the environment variable's
        value.

2007-11-01  Janis Johnson  <janis187@us.ibm.com>

        * doc/invoke.texi (Optimize Options): Under -fcse-follow-jumps,
        show that CSE means common subexpression elimination.  Change wording
        for -fsee and define LCM.  Remove capitalization of optimizations
        for -ftree-reassoc, -ftree-pre, and -ftree-fre.

2007-11-01  Janis Johnson  <janis187@us.ibm.com>

        PR testsuite/25352
        * doc/sourcebuild.texi (Test Directives): Document that xfail
        has no effect for dg-do except when dg-do-what is "run".

2007-11-01  Tom Tromey  <tromey@redhat.com>

        * c-decl.c (grokdeclarator): Set decl source locations.
        * c-parser.c (c_parser_enum_specifier): Set location.
        (c_parser_struct_or_union_specifier): Likewise.

2007-11-01  Tom Tromey  <tromey@redhat.com>

        * print-tree.c (print_node): Print column number.

2007-11-01  Jakub Jelinek  <jakub@redhat.com>

        PR debug/33537
        * dwarf2out.c (gen_formal_parameter_die, gen_variable_die,
        gen_decl_die): Use TREE_TYPE (TREE_TYPE (decl)) as type
        rather than TREE_TYPE (decl) if DECL_BY_REFERENCE (decl).

        PR rtl-optimization/33673
        * gcse.c (cprop_jump): If a conditional jump has been optimized
        into unconditional jump, make the remaining normal edge fallthru
        and delete the jump insn.

2007-11-01  Ben Elliston  <bje@au.ibm.com>

        * emit-rtl.c (set_reg_attrs_from_mem): Clarify function comment.
        (set_mem_attrs_from_reg): Likewise.

2007-11-01  Michael Matz  <matz@suse.de>

        PR tree-optimization/33961
        * tree-ssa-phiopt.c (struct name_to_bb.store): New member.
        (name_to_bb_hash, name_to_bb_eq): Consider and check it.
        (add_or_mark_expr): New argument 'store', using it to search
        the hash table.
        (nt_init_block): Adjust calls to add_or_mark_expr.

2007-10-31  Jakub Jelinek  <jakub@redhat.com>

        PR target/31507
        * config/i386/i386.md (pushsf_rex64): Use X instead of < constraints
        for the first push_operand.

2007-10-31  Revital Eres  <eres@il.ibm.com>

        * config/rs6000/paired.md (sminv2sf3, smaxv2sf3, reduc_smax_v2sf,
        reduc_smin_v2sf vec_interleave_highv2sf, vec_interleave_lowv2sf,
        vec_extract_evenv2sf, vec_extract_oddv2sf, reduc_splus_v2sf,
        movmisalignv2sf, vcondv2sf): New.
        (UNSPEC_INTERHI_V2SF, UNSPEC_INTERLO_V2SF, UNSPEC_EXTEVEN_V2SF,
        UNSPEC_EXTODD_V2SF): Define new constants.
        * config/rs6000/rs6000-protos.h (paired_expand_vector_move,
        paired_emit_vector_cond_expr): New.
        * config/rs6000/rs6000-c.c (__PAIRED__): Add new builtin_define.
        * config/rs6000/rs6000.c (paired_expand_vector_move,
        paired_emit_vector_cond_expr, paired_emit_vector_compare):
        New functions.
        * config/rs6000/750cl.h (ASM_CPU_SPEC): Pass down -m750cl option.

2007-10-31  Sebastian Pop  <sebastian.pop@amd.com>

        PR tree-optimization/32377
        * tree-data-ref.c (compute_overlap_steps_for_affine_univar): Make it
        work also for unknown number of iterations.
        (analyze_subscript_affine_affine): Clean up.  Don't fail when the 
        number of iterations is not known.

2007-10-31  Richard Guenther  <rguenther@suse.de>

        PR middle-end/33779
        * fold-const.c (extract_muldiv_1): Make sure to not introduce
        new undefined integer overflow.
        (fold_binary): Avoid useless conversion.

2007-10-31  Richard Sandiford  <rsandifo@nildram.co.uk>

        PR target/33948
        * config/mips/mips.c (mips_fpr_return_fields): Fix SCALAR_TYPE_P
        check.

2007-10-31  Andreas Krebbel  <krebbel1@de.ibm.com>

        * config/rs6000/rs6000.opt: Rename -mdfp option to -mhard-dfp.

        * config/s390/s390.c: (override_options): Replace -mhard-dfp/-msoft-dfp
        with -mhard-dfp/-mno-hard-dfp.
        * config/s390/s390.opt: Likewise.
        * config/s390/s390.h: Add MASK_HARD_DFP to the TARGET_DEFAULT
        definition.

2007-10-30  Janis Johnson  <janis187@us.ibm.com>

        * tree-ssa.c (execute_update_addresses_taken): Initialize update_vops.

2007-10-30  Janis Johnson  <janis187@us.ibm.com>

        * doc/invoke.texi (Option Summary): Add -fdce and -fdse to list of
        optimization options.
        (Optimize Options): Add -fdce and -fdse to the list of optimizations
        enabled by -O.  Document -fdce and -fdse.

2007-10-30  Jakub Jelinek  <jakub@redhat.com>

        PR c++/33709
        * fold-const.c (fold_binary): If one argument is COMPOUND_EXPR,
        convert second operand of COMPOUND_EXPR to the original type of
        that argument.

2007-10-30  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-operands.c (add_vars_for_offset): Fix exit test
        of loop adding SFTs as virtual operands.

2007-10-30  Richard Guenther  <rguenther@suse.de>

        * Makefile.in (dse.o): Add $(OPTABS_H) and $(RECOG_H) dependencies.

2007-10-29  Dorit Nuzman  <dorit@il.ibm.com>

        PR tree-optimization/32893
        * tree-vectorize.c (vect_can_force_dr_alignment_p): Check
        STACK_BOUNDARY instead of PREFERRED_STACK_BOUNDARY.

2007-10-29  Rask Ingemann Lambertsen  <rask@sygehus.dk>

        * longlong.h (add_ssaaaa): Support Intel asm syntax in i386 and
        x86_64 versions.
        (sub_ddmmss): Likewise.
        (umul_ppmm): Likewise.
        (udiv_qrnnd): Likewise.

2007-10-29  Janis Johnson  <janis187@us.ibm.com>

        PR testsuite/24841
        * doc/sourcebuild.texi (Test Directives): Document that dg-require
        directives must come before dg-additional-sources.

2007-10-29  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/33723
        * c-gimplify.c (c_gimplify_expr): Optimize INIT_EXPR or
        MODIFY_EXPR with non-addressable COMPOUND_LITERAL_EXPR as source.

2007-10-29  Richard Sandiford  <rsandifo@nildram.co.uk>

        PR tree-optimization/33614
        * gimplify.c (gimplify_init_constructor): Gimplify vector constructors
        if they can't be reduced to VECTOR_CSTs and aren't legitimate
        initializer constants.

2007-10-29  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/33870
        * tree-ssa-operands.c (add_vars_for_offset): Remove mpt_vars parameter.
        (add_virtual_operand): Do not recurse into MPTs looking for pointed-to
        SFTs.

2007-10-29  Richard Guenther  <rguenther@suse.de>

        * passes.c (init_optimization_passes): Exchange store_copy_prop
        with copy_prop.
        * tree-pass.h (pass_store_copy_prop): Remove.
        * tree-ssa-copy.c (do_store_copy_prop): Remove.
        (stmt_may_generate-copy): Do not handle store_copy_prop.
        (get_copy_of_val): Likewise.
        (set_copy_of_val): Likewise.
        (copy_prop_visit_assignment): Likewise.
        (copy_prop_visit_stmt): Likewise.
        (copy_prop_visit_phi_node): Likewise.
        (init_copy_prop): Likewise.
        (execute_copy_prop): Likewise.
        (do_copy_prop): Remove.
        (gate_store_copy_prop): Likewise.
        (store_copy_prop): Likewise.
        (pass_store_copy_prop): Likewise.
        (pass_copy_prop): Call execute_copy_prop.
        * opts.c (decode_options): Do not set flag_tree_store_copy_prop.
        * common.opt (ftree-store-copy-prop): Mark obsolete.
        * doc/invoke.texi (ftree-store-copy-prop): Remove documentation.

2007-10-29  Ian Lance Taylor  <iant@google.com>

        * ifcvt.c (noce_can_store_speculate_p): New static function.
        (noce_process_if_block): Call it.
        (if_convert): Remove recompute_dominance parameter.  Change all
        callers.

2007-10-29  Richard Guenther  <rguenther@suse.de>

        * tree-flow-inline.h (get_subvar_at): Use binary search.
        (get_first_overlapping_subvar): New function to binary search
        for the first overlapping subvar.
        * tree-ssa-operands.c (add_vars_for_offset): Strip down to
        just handle adding subvars for a pointed-to subvar.  Optimize
        and use get_first_overlapping_subvar.
        (add_vars_for_bitmap): Fold into single caller.
        (add_virtual_operand): Streamline, inherit add_vars_for_bitmap
        and non pointed-to bits of add_vars_for_offset.

2007-10-29  Revital Eres  <eres@il.ibm.com> 

        * modulo-sched.c (sms_schedule): Add DF_UD_CHAIN problem.

2007-10-29  Razya Ladelsky  <razya@il.ibm.com>
            Zdenek Dvorak  <ook@ucw.cz>

        OMP_ATOMIC Changes,
        reduction support for automatic parallelization.

        * expr.c (expand_expr_real_1): Add cases for OMP_ATOMIC_LOAD,
        OMP_ATOMIC_STORE.
        * Makefile.in: Add dependencies to expr.o, tree-parloops.o, omp-low.o
        * tree-pretty-print.c (dump_generic_node): Add OMP_ATOMIC_LOAD
        and OMP_ATOMIC_STORE.
        * tree.h (OMP_DIRECTIVE_P): Add OMP_ATOMIC_LOAD, OMP_ATOMIC_STORE.
        * gimple-low.c (lower_stmt): Same.
        * gimplify.c (gimplify_expr): Same.
        (gimplify_omp_atomic_fetch_op, gimplify_omp_atomic_pipeline,
        gimplify_omp_atomic_mutex): Remove.
        (gimplify_omp_atomic): Change it to simply gimplify the
        statement instead of expanding it.
        * omp-low.c: Add includes to optabs.h, cfgloop.h.
        (expand_omp_atomic, expand_omp_atomic_pipeline,
        goa_stabilize_expr, expand_omp_atomic_mutex,
        expand_omp_atomic_fetch_op): New functions to implement
        expansion of OMP_ATOMIC.
        (expand_omp, build_omp_regions_1): Add support for
        OMP_ATOMIC_LOAD/OMP_ATOMIC_STORE.
        * tree-cfg.c (make_edges): add case for OMP_ATOMIC_LOAD,
        OMP_ATOMIC_STORE.
        * tree-gimple.c (is_gimple_stmt): Add OMP_ATOMIC_LOAD,
        OMP_ATOMIC_STORE.
        * tree-parloops.c: add include to tree-vectorizer.h.
        (reduction_info): New structure for reduction.
        (reduction_list): New list to represent list of reductions per loop.
        (struct data_arg): New helper structure for reduction.
        (reduction_info_hash, reduction_info_eq, reduction_phi,
        initialize_reductions, create_call_for_reduction,
        create_phi_for_local_result, create_call_for_reduction_1,
        create_loads_for_reductions, create_final_loads_for_reduction):
        New functions.
        (loop_parallel_p): Identify reductions, add reduction_list parameter.
        (separate_decls_in_loop_name): Support reduction variables.
        (separate_decls_in_loop): Add reduction_list and ld_st_data arguments,
        call create_loads_for_reduction for each reduction.
        (canonicalize_loop_ivs): Identify reductions, add reduction_list
        parameter.
        (transform_to_exit_first_loop): Add reduction support, add
        reduction_list parameter.
        (gen_parallel_loop): Add reduction_list parameter.  Add call
        separate_decls_in_loop with
        the new argument.  Traverse reductions and call
        initialize_reductions, create_call_for_reduction.
        (parallelize_loops): Create and delete the reduction list.
        (add_field_for_name): Change use of data parameter.  Add fields for
        reductions.
        * tree-vectorizer.h (vect_analyze_loop_form): Add declaration.
        * tree-vect-analyze.c (vect_analyze_loop_form): export it.
        * tree.def: Add definitions for OMP_ATOMIC_LOAD, OMP_ATOMIC_STORE.
        * tree-inline.c (estimate_num_insns_1): add cases for
        OMP_ATOMIC_LOAD, OMP_ATOMIC_STORE.
        * tree-cfg.c (make_edges): Add OMP_ATOMIC_LOAD, OMP_ATOMIC_STORE.
        * tree-ssa-operands.c (get_addr_dereference_operands):
        New function.  Subroutine of get_indirect_ref_operands.
        (get_indirect_ref_operands): Call get_addr_dereference_operands.
        (get_expr_operands): Support OMP_ATOMIC_LOAD, OMP_ATOMIC_STORE.


2007-10-29  Hans-Peter Nilsson  <hp@axis.com>

        * config/cris/cris.c: Include df.h.
        (cris_address_cost): Add gcc_assert for canonicalization
        assumptions.  For PLUS with MULT or register, correct
        test for register in other arm.  Tweak comments.

2007-10-28  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-operands.c (add_vars_for_offset): Add parameter
        telling if the var is to be treated as points-to location.
        (add_vars_for_bitmap): Pass true to add_vars_for_offset.
        (add_virtual_operand): Only recurse into MPTs if aliases
        is from a NMT.

2007-10-28  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-operands.c (add_vars_for_offset): Clean and speed up.
        (add_vars_for_bitmap): Do not recurse further.  Only add vars
        for pointed-to SFTs.
        (add_virtual_operand): Re-instantiate loop to add operands for
        aliases.  Recurse into MPTs.
        (get_indirect_ref_operands): If we fall back to use a pointers
        SMT, make sure to not prune based on the access offset and size.

2007-10-28  Andrew Pinski  <pinskia@gmail.com>

        PR tree-opt/33589
        * tree-outof-ssa.c (rewrite_trees): If the statement changed, cleanup
        the eh information on the statement.

2007-10-28  Richard Guenther  <rguenther@suse.de>

        * tree-flow.h (subvar_t): Make it a VEC.
        (struct subvar): Remove.
        (struct var_ann_d): Use VEC(tree,gc) to store subvars.
        * tree-flow-inline.h (get_subvar_at): Adjust iterators over
        variable subvars.
        * tree-into-ssa.c (mark_sym_for_renaming): Likewise.
        * tree-nrv.c (dest_safe_for_nrv_p): Likewise.
        * tree-ssa-alias.c (mark_aliases_call_clobbered): Likewise.
        (set_initial_properties): Likewise.
        (setup_pointers_and_addressables): Likewise.
        (new_type_alias): Likewise.
        (create_overlap_variables_for): Likewise.
        * tree-dfa.c (dump_subvars_for): Likewise.
        * tree-ssa-operands.c (add_vars_for_offset): Likewise.
        (get_expr_operands): Likewise.
        (add_to_addressable_set): Likewise.
        * tree-ssa-structalias.c (set_uids_in_ptset): Likewise.

2007-10-28  Uros Bizjak  <ubizjak@gmail.com>

        PR tree-optimization/33920
        * tree-if-conv.c (tree_if_conversion): Force predicate of single
        successor bb to true when predecessor bb has NULL predicate.
        (find_phi_replacement_condition): Assert that tmp_cond is non-null.

2007-10-28  Richard Sandiford  <rsandifo@nildram.co.uk>

        * config/mips/mips.md: Add combiner patterns for DImode extensions
        of HImode and QImode truncations.  Reformat HImode <- QImode pattern
        for consistency.

2007-10-28  Richard Sandiford  <rsandifo@nildram.co.uk>

        PR target/33895
        * config/mips/mips.c (mips_output_dwarf_dtprel): Add ATTRIBUTE_UNUSED.

2007-10-28  Andreas Krebbel  <krebbel1@de.ibm.com>

        * dce.c (delete_unmarked_insns): Just delete the RETVAL and
        LIBCALL notes if they are about to be moved to the same insn.

2007-10-27  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/33870
        * tree-ssa-operands.c (add_vars_for_offset): Reduce code
        duplication.  Remove redundant call to access_can_touch_variable.
        (add_vars_for_bitmap): New helper for recursing over MPT contents.
        (add_virtual_operand): Use it.

2007-10-26  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        PR fortran/31608
        * pa.h (ASM_PN_FORMAT): Delete define.

2007-10-26  Janis Johnson  <janis187@us.ibm.com>

        * doc/invoke.texi (Option Summary, optimizations): Remove
        -fbounds-check.  Add -fassociative-math, -freciprocal-math,
        -ftree-vrp and -funit-at-a-time.  Change -fno-split-wide-types to
        -fsplit-wide-types to match later entry.  Break up a long line.
        (Option Summary, code gen options)  Add -fno-stack-limit.  Add
        missing @gol to the end of a line.
        (Optimization Options): Remove -fbounds-check, which is also
        documented under Code Generation Options.  Remove =n from
        index entry for -ftree-parallelize-loops.  Change -fno-cprop-registers
        to -fcprop-registers to match other options, and say when it is
        enabled rather than disabled.  Remove extra index entry for
        -fno-cx-limited-range.  Add index entries for -fstack-protector
        and -fstack-protector-all.
        (Code Gen Options): Add index entry for -ftls-model.

2007-10-26  Anatoly Sokolov <aesok@post.ru>

        * config/avr/avr.c (avr_OS_task_function_p): Add new function.
        (avr_regs_to_save): Handle functions with 'OS_task' attribute.
        (avr_simple_epilogue, expand_prologue, avr_asm_function_end_prologue,
        expand_epilogue, output_movhi): Don't handle 'main' function.
        (avr_attribute_table): Add 'OS_task' function attribute.
        * config/avr/avr.h (machine_function): Remove 'is_main' field, add
        'is_OS_task' field.
        * config/avr/avr.md (return_from_main_epilogue): Remove insn.
        (return_from_epilogue, return_from_interrupt_epilogue): Don't handle
        'main' function.
        * config/avr/avr.opt (minit-stack): Remove.

2007-10-26  Eric Botcazou  <ebotcazou@adacore.com>

        * tree-nested.c (get_trampoline_type): Fix thinko.

2007-10-26  Douglas Gregor  <doug.gregor@gmail.com>

        PR c++/33601
        * tree.c (build_offset_type): Build canonical type based on the
        TYPE_MAIN_VARIANT of the base type.

2007-10-26  Daniel Jacobowitz  <dan@codesourcery.com>

        * reorg.c (emit_delay_sequence): Move insn locator from the
        first insn to the sequence.

2007-10-26  Samuel Tardieu  <sam@rfc1149.net>

        * ipa-pure-const.c (check_decl): Return immediately when
        pure_const_state has been set to IPA_NEITHER.

2007-10-25  Ira Rosen  <irar@il.ibm.com>

        PR tree-optimization/33833
        * tree-vect-analyze.c (vect_analyze_data_refs): Use POINTER_PLUS_EXPR
        and convert init to sizetype in inner_base construction.

2007-10-25  Richard Guenther  <rguenther@suse.de>

        * tree-flow.h (mem_sym_stats): Remove.
        (dump_mem_sym_stats_for_var): Declare.
        * tree-dfa.c (dump_variable): Call dump_mem_sym_stats_for_var.
        (mem_sym_stats): Move ...
        * tree-ssa-alias.c (mem_sym_stats): ... here and make it static.
        (mem_sym_score): Rename from ...
        (pscore): ... this.  Remove.
        (dump_mem_sym_stats_for_var): New function.  Dump the score, but
        not the frequencies.
        (compare_mp_info_entries): Make sort stable by disambiguating
        on DECL_UID.

2007-10-25  Ira Rosen  <irar@il.ibm.com>

        PR tree-optimization/33866
        * tree-vect-transform.c (vectorizable_store): Check operands of all
        the stmts in the group of strided accesses. Get def stmt type for each
        store in the group and pass it to vect_get_vec_def_for_stmt_copy ().

2007-10-25  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/constraints.md (Y0): Rename register constraint to Yz.
        (Yt): Rename register constraint to Y2.
        * config/i386/sse.md: Use renamed register constraints.
        * config/i386/mmx.md: Ditto.
        * config/i386/i386.md: Ditto.

2007-10-25  Rask Ingemann Lambertsen  <rask@sygehus.dk>

        * config/i386/i386.md (*dummy_extendsfdf2): Fix operand 1 constraint.

2007-10-24  Chao-ying Fu  <fu@mips.com>

        * dwarf2out.c (base_type_die): Use DW_ATE_unsigned_fixed or
        DW_ATE_signed_fixed to describe FIXED_POINT_TYPE.

2007-10-24  Samuel Tardieu  <sam@rfc1149.net>
            Olga Golovanevsky <olga@il.ibm.com>
        
        * ipa-struct-reorg.c (replace_field_acc): Make it clear to
        the compiler that wr.wrap and wr.domain are initialized in
        any case.

2007-10-24  Samuel Tardieu  <sam@rfc1149.net>

        * ipa-struct-reorg.c (sum_counts): Use HOST_WIDEST_PRINT_DEC
        to print gcov_type values.

2007-10-24  Eric B. Weddington  <eweddington@cso.atmel.com>

        * config/avr/avr.h: Do not include progmem_section definition when
        building with IN_TARGET_LIBS.

2007-10-24  Richard Sandiford  <rsandifo@nildram.co.uk>

        PR target/33755
        * config/mips/mips.c (mips_lo_sum_offset): New structure.
        (mips_hash_base, mips_lo_sum_offset_hash, mips_lo_sum_offset_eq)
        (mips_lo_sum_offset_lookup, mips_record_lo_sum)
        (mips_orphaned_high_part_p: New functions.
        (mips_avoid_hazard): Don't check INSN_P here.
        (mips_avoid_hazards): Rename to...
        (mips_reorg_process_insns): ...this.  Cope with
        !TARGET_EXPLICIT_RELOCS.  Delete orphaned high-part relocations,
        or turn them into nops.
        (mips_reorg): Remove TARGET_EXPLICIT_RELOCS check from calls to
        dbr_schedule and mips_avoid_hazards/mips_reorg_process_insns.
        (mips_set_mips16_mode): Don't set flag_delayed_branch here.
        (mips_override_options): Set flag_delayed_branch to 0.

2007-10-24  Richard Sandiford  <rsandifo@nildram.co.uk>

        * config/mips/mips.h (MOVE_MAX): Use UNITS_PER_WORD and describe
        MIPS-specific implementation details.
        (MIPS_MAX_MOVE_BYTES_PER_LOOP_ITER): New macro.
        (MIPS_MAX_MOVE_BYTES_STRAIGHT): Likewise.
        (MOVE_RATIO): Define to MIPS_MAX_MOVE_BYTES_STRAIGHT / UNITS_PER_WORD
        for targets with movmemsi.
        (MOVE_BY_PIECES_P): Define.
        * config/mips/mips.c (MAX_MOVE_REGS, MAX_MOVE_BYTES): Delete.
        (mips_block_move_loop): Add a bytes_per_iter argument.
        (mips_expand_block_move): Use MIPS_MAX_MOVE_BYTES_STRAIGHT.
        Update call to mips_block_move_loop.

2007-10-24  Michael Matz  <matz@suse.de>

        PR debug/33868
        * var-tracking.c (variable_union): Don't break after one loop
        iteration but only when a difference is found.
        (dump_variable): Also print DECL_UID.

2007-10-24  Olga Golovanevsky  <olga@il.ibm.com>

        * ipa-type-escape.h: Expose function
        is_array_access_through_pointer_and_index.
        * ipa-type-escape.c
        (is_array_access_through_pointer_and_index):
        Add three new parameters. Add support of
        POINTER_PLUS_EXPR tree code.

2007-10-24  Olga Golovanevsky  <olga@il.ibm.com>

        * ipa-struct-reorg.c, ipa-struct-reorg.h: New files.
        * tree-pass.h: Add pass_ipa_struct_reorg.
        * common.opt: Add ipa-struct-reorg flag.
        * Makefile.in: Add ipa-strcut-reorg.o compilation.
        * passes.c: Add pass pass_ipa_struct_reorg.
        * params.h:  Add STRUCT_REORG_COLD_STRUCT_RATIO.
        * params.def: Add PARAM_STRUCT_REORG_COLD_STRUCT_RATIO.

2007-10-24  Ira Rosen  <irar@il.ibm.com>

        PR tree-optimization/33804
        * tree-vect-transform.c (vectorizable_operation): Remove the
        checks that the vectorization is worthwhile from the transformation
        phase.

2007-10-24  Ira Rosen  <irar@il.ibm.com>

        * tree-vect-analyze.c (vect_build_slp_tree): Return false if
        vectype cannot be determined for the scalar type.
        (vect_analyze_slp_instance): Likewise.
        * tree-vect-transform.c (vect_model_reduction_cost): Change the
        return type to bool. Return false if vectype cannot be determined 
        for the scalar type.
        (vect_get_constant_vectors): Return false if vectype cannot be
        determined for the scalar type.
        (get_initial_def_for_induction, vect_get_vec_def_for_operand,
        get_initial_def_for_reduction, vect_create_epilog_for_reduction,
        vectorizable_reduction): Likewise.      

2007-10-23  Craig Rodrigues  <rodrigc@gcc.gnu.org>

        * config.gcc: For a FreeBSD target, parse the value of ${target}
        to determine the value of FBSD_MAJOR, instead of adding an
        explicit check for every possible FreeBSD major version.

2007-10-23  Uros Bizjak  <ubizjak@gmail.com>

        PR rtl-optimization/33846
        * combine.c (simplify_shift_const_1) [NOT]: Skip vector modes.

2007-10-23  Dorit Nuzman  <dorit@il.ibm.com>

        PR tree-optimization/33860
        * tree-vect-transform.c (vect_analyze_data_ref_access): Don't allow
        interleaved accesses in case the dr is inside the inner-loop during
        outer-loop vectorization.

2007-10-23  Eric Botcazou  <ebotcazou@libertysurf.fr>

        * doc/rtl.texi (Flags): Fix MEM_SCALAR_P entry.
        Document MEM_POINTER.  Replace mentions of "integrated"
        field with "return_val".  Delete outdated stuff.

2007-10-23  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/rs6000.c (rs6000_override_options): Set
        rs6000_altivec_abi on AIX.
        (conditional_register_usage): Set VR20:31 fixed on AIX.

2007-10-23  Richard Guenther  <rguenther@suse.de>

        * alias.c (get_alias_set): For INDIRECT_REFs, deal with
        SSA_NAME pointers.

2007-10-22  Seongbae Park <seongbae.park@gmail.com>
        David S. Miller  <davem@davemloft.net>

        * df-scan.c (df_get_call_refs): Mark global registers as both a
        DF_REF_REG_USE and a non-clobber DF_REF_REG_DEF.

2007-10-22  Dorit Nuzman  <dorit@il.ibm.com>

        PR tree-optimization/33834
        PR tree-optimization/33835
        * tree-vect-analyze.c (vect_analyze_operations): RELEVANT and LIVE
        stmts need to be checked for success seperately.
        * tree-vect-transform.c (vectorizable_call, vectorizable_conversion):
        Remove the check that stmt is not LIVE.
        (vectorizable_assignment, vectorizable_induction): Likewise.
        (vectorizable_operation, vectorizable_type_demotion): Likewise.
        (vectorizable_type_promotion, vectorizable_load, vectorizable_store):
        Likewise.
        (vectorizable_live_operation): Check that op is not NULL. 

2007-10-22  Janis Johnson  <janis187@us.ibm.com>

        * doc/invoke.texi (Optimization Options): In the summary, show
        that the value for options -falign-jumps, -falign-labels,
        -falign-loops, -falign-functions, -fsched-stalled-insns, and
        -fsched-stalled-insns-dep is optional.  In the summary, show that
        -fsched-stalled-insns takes an optional argument and that
        -fparallelize-loops takes an argument.  Add opindex for several
        optimization options, and fix typos in the opindex commands for
        several others.  In the descriptions for -fsched-stalled-insns
        and -fsched-stalled-insns-dep, show the options with and without
        values.

2007-10-22  Eric B. Weddington  <eweddington@cso.atmel.com>

        * config/avr/avr.c (avr_mcu_types): Remove ATmega603 which was never
        produced.
        * config/avr/avr.h (LINK_SPEC): Likewise.
        (CRT_BINUTILS_SPECS): Likewsie.
        * config/avr/t-avr (MULTILIB_MATCHES): Likewise.

2007-10-22  Eric Botcazou  <ebotcazou@libertysurf.fr>

        PR rtl-optimization/33644
        * cfgcleanup.c: Do not include dce.h.
        * cfgrtl.c (delete_insn_chain_and_edges): Resurrect.
        * combine.c (distribute_notes): Delete REG_LIBCALL_ID case.
        * dce.c (something_changed): Delete.
        (libcall_dead_p): New predicate.
        (delete_unmarked_insns): Use it to delete dead libcalls.
        Deal with REG_LIBCALL and REG_RETVAL notes.
        (prescan_libcall_for_dce): New function.
        (prescan_insns_for_dce): Use it to deal with libcalls.
        (mark_reg_dependencies): Do nothing special for libcalls.
        (dce_process_block): Likewise.
        (fast_dce): Delete unused local variable.
        (run_fast_dce): Do not return a value.
        * dce.h (struct df): Delete.
        (run_fast_dce): Adjust prototype.
        * optabs.c (libcall_id): Delete.
        (maybe_encapsulate_block): Do not emit REG_LIBCALL_ID notes.
        (emit_no_conflict_block): Do not look for REG_LIBCALL_ID notes.
        * reload1.c (reload): Delete REG_LIBCALL_ID case.
        * rtl.h (delete_insn_chain_and_edges): Resurrect prototype.
        * see.c (see_update_relevancy): Look for REG_LIBCALL and REG_RETVAL
        notes instead of REG_LIBCALL_ID notes.
        * reg-notes.def (LIBCALL_ID): Delete.
        * Makefile.in (see.o): Add dce.h dependency.
        (cfgcleanup.o): Remove dce.h dependency.

2007-10-22  Michael Matz  <matz@suse.de>

        PR tree-optimization/33855
        * tree-ssa-phiopt.c (cond_store_replacement): Handle COMPLEX_TYPE
        and VECTOR_TYPE.

2007-10-22  Ira Rosen  <irar@il.ibm.com>

        PR tree-optimization/33854
        * tree-vect-analyze.c (vect_determine_vectorization_factor): Add
        FLOAT_EXPR to the list of promotion operations. 

2007-10-22  Rask Ingemann Lambertsen  <rask@sygehus.dk>

        PR target/29473
        PR target/29493
        * config/i386/i386.c (output_pic_addr_const): Support Intel asm syntax.
        (print_reg): Print register prefix only with AT&T asm syntax. 
        Support pc_rtx for RIP register.
        (print_operand_address): Use print_reg()'s pc_rtx support for RIP
        relative addressing.  Always print segment register prefix with AT&T
        asm syntax and never with Intel asm syntax.
        (print_operand): Suppress 'XXX PTR' prefix for BLKmode operands. 
        Fix prefix for 16-byte XFmode operands.
        (output_addr_const_extra): Support Intel asm syntax.
        (x86_file_start): Don't use register prefix with Intel asm syntax.
        * config/i386/i386.md ("*zero_extendqihi2_movzbl"): Fix typo.
        ("return_internal_long"): Fix Intel asm syntax output.
        ("set_got_rex64"): Support Intel asm syntax.
        ("set_rip_rex64"): Likewise.
        ("set_got_offset_rex64"): Likewise.
        ("*sibcall_1_rex64_v"): Print register prefix only with AT&T asm
        syntax.
        ("*tls_global_dynamic_64"): Likewise.
        ("*tls_local_dynamic_base_64"): Likewise.
        ("*load_tp_si")("*load_tp_di"): Likewise.
        ("*add_tp_si")("*add_tp_di"): Likewise.
        ("*tls_dynamic_lea_64"): Likewise.
        ("*sibcall_value_1_rex64_v"): Likewise.
        ("stack_tls_protect_set_si"): Likewise.
        ("stack_tls_protect_set_di"): Likewise.
        ("stack_tls_protect_test_si"): Likewise.
        ("stack_tls_protect_test_di"): Likewise.
        * config/i386/mmx.md ("*mov<mode>_internal_rex64"): Fix Intel asm
        syntax output.
        ("*movv2sf_internal_rex64"): Likewise.
        * config/i386/cpuid.h (__cpuid): Support Intel asm syntax.
        (__get_cpuid_max): Likewise.

2007-10-21  Richard Sandiford  <rsandifo@nildram.co.uk>

        * config/mips/mips-protos.h (mips_regno_mode_ok_for_base_p): Give
        the STRICT_P argument type "bool" rather than "int".
        (mips_legitimate_address_p): Likewise.
        (fp_register_operand, lo_operand): Delete.
        (mips_subword): Give the HIGH_P argument type "bool" rather than "int".
        (mips_emit_scc): Rename to...
        (mips_expand_scc): ...this.
        (gen_conditional_branch): Rename to...
        (mips_expand_conditional_branch): ...this.
        (gen_conditional_move): Rename to...
        (mips_expand_conditional_move): ...this.
        (mips_gen_conditional_trap): Rename to...
        (mips_expand_conditional_trap): ...this and take an rtx code instead
        of an operands array.
        (mips_expand_call): Give the SIBCALL_P argument type "bool"
        rather than "int".
        (mips_emit_fcc_reload): Rename to...
        (mips_expand_fcc_reload): ...this.
        (init_cumulative_args): Rename to...
        (mips_init_cumulative_args): ...this and remove the libname argument.
        (function_arg_advance): Rename to...
        (mips_function_arg_advance): ...this.
        (function_arg): Rename to...
        (mips_function_arg): ...this and use "rtx" instead of
        "struct rtx_def *".
        (function_arg_boundary): Rename to...
        (mips_function_arg_boundary): ...this.
        (mips_expand_unaligned_load): Rename to...
        (mips_expand_ext_as_unaligned_load): ...this and give the WIDTH
        and BITPOS arguments type "HOST_WIDE_INT".
        (mips_expand_unaligned_store): Rename to...
        (mips_expand_ins_as_unaligned_store): ...this and give the WIDTH
        and BITPOS arguments type "HOST_WIDE_INT".
        (override_options): Rename to...
        (mips_override_options): ...this.
        (print_operand): Rename to...
        (mips_print_operand): ...this.
        (print_operand_address): Rename to...
        (mips_print_operand_address): ...this.
        (mips_output_ascii): Remove the PREFIX argument.
        (mips_expand_epilogue): Give the SIBCALL_P argument type "bool"
        rather than "int".
        (mips_can_use_return_insn): Return a "bool" rather than an "int".
        (mips_function_value): Remove the FUNC argument.  Use "rtx" instead
        of "struct rtx_def *".
        (mips_secondary_reload_class): Give the IN_P argument type "bool"
        rather than "int".
        (build_mips16_call_stub): Delete.
        (mips_store_data_bypass_p): Return a "bool" rather than an "int".
        (mips_use_ins_ext_p): Give the second and third arguments type
        "HOST_WIDE_INT" rather than "rtx".
        * config/mips/mips.h: Update after the above changes.  Tweak comments
        and formatting.
        (SECONDARY_INPUT_RELOAD_CLASS): Pass a boolean IN_P argument.
        (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
        (mips_print_operand_punct, mips_hard_regno_mode_ok): Change the
        element type from "char" to "bool".
        (mips_section_threshold, sym_lineno, set_noat, mips_branch_likely)
        (mips_cpu_info_table): Delete.
        * config/mips/mips.md: Update after the above changes.  Tweak some
        formatting.
        * config/mips/mips-ps-3d.md: Likewise.
        * config/mips/mips.c: Tweak comments and formatting.
        Use NULL-like macros rather than 0 in various places.
        (mips_section_threshold): Rename to...
        (mips_small_data_threshold): ...this and give it an unsigned type.
        (num_source_filenames): Remove explicit initialization.
        (sdb_label_count): Likewise.
        (sym_lineno): Delete.
        (set_noat): Make static.
        (mips_branch_likely): Likewise, and give it type "bool".
        (mips_isa_info): Rename to...
        (mips_isa_option_info): ...this.
        (mips_flag_delayed_branch): Rename to...
        (mips_base_delayed_branch): ...this.
        (mips_split_addresses): Delete.
        (mips_print_operand_punct, mips_hard_regno_mode_ok): Change the
        element type from "char" to "bool".
        (mips_regno_to_class): Add an explicit array size.
        (mips16_flipper): Change from type "int" to type "bool".
        (mips_comp_type_attributes): Remove redundant FUNCTION_TYPE check.
        (mips_tls_operand_p): Rename to...
        (mips_tls_symbol_p): ...this.
        (mips_global_symbol_p): Remove redundant "const".
        (mips_offset_within_alignment_p): Simplify.
        (mips_regno_mode_ok_for_base_p): Change the name of the last argument
        to STRICT_P and give it type bool.
        (mips_valid_base_register_p): Likewise.
        (mips_classify_address): Likewise.
        (mips_legitimate_address_p): Likewise.
        (mips16_unextended_reference_p): Take the offset as an
        "unsigned HOST_WIDE_INT" rather than an "rtx".  Simplify.
        (mips_const_insns): Use IN_RANGE.
        (mips_force_temporary): Remove an unnecessary copy_rtx.
        (mips16_gp_pseudo_reg): Simplify.
        (mips_split_symbol): Remove an unnecessary copy_rtx.
        (mips_legitimize_tls_address): Only create registers if we need them.
        (mips_legitimize_address): Use mips_split_plus.
        (mips_move_integer): Swap DEST and TEMP arguments.  Rename local
        variable COST to NUM_OPS.
        (mips_legitimize_move): Use gen_lowpart.
        (mips_rewrite_small_data): Rename the OP parameter to PATTERN.
        (m16_check_op): Use IN_RANGE.
        (mips_subword): Give the HIGH_P argument type "bool" rather than "int".
        (mips_split_doubleword_move): Pass booleans to mips_subword.
        (mips_output_move): Store the mode in a local variable.
        Explicitly assert that this function does not deal with
        MFLO and MFHI.  Use SMALL_OPERAND_UNSIGNED.  Make order of
        cases more consistent.
        (mips_relational_operand_ok_p): Rename to...
        (mips_int_order_operand_ok_p): ...this.
        (mips_canonicalize_comparison): Rename to...
        (mips_canonicalize_int_order_test): ...this.
        (mips_emit_int_relational): Rename to...
        (mips_emit_int_order_test): ...this.  Store the mode in a local
        variable.
        (mips_reverse_fp_cond_p): Rename to...
        (mips_reversed_fp_cond): ...this.
        (mips_emit_compare): Make the order of the statements more consistent.
        (mips_emit_scc): Rename to...
        (mips_expand_scc): ...this.
        (gen_conditional_branch): Rename to...
        (mips_expand_conditional_branch): ...this.
        (gen_conditional_move): Rename to...
        (mips_expand_conditional_move): ...this.  Build the condition
        separately from the main pattern.
        (mips_gen_conditional_trap): Rename to...
        (mips_expand_conditional_trap): ...this and take an rtx code instead
        of an operands array.  Simplify.
        (init_cumulative_args): Rename to...
        (mips_init_cumulative_args): ...this.  Use memset rather than a
        copy from a zeroed static.  Use prototype_p and stdarg_p.
        (mips_arg_info): Rename to...
        (mips_get_arg_info): ...this and put the INFO argument first.
        (function_arg): Rename to...
        (mips_function_arg): ...this and use "rtx" instead of
        "struct rtx_def *".  Only split structures into chunks if 
        TARGET_HARD_FLOAT, rather than checking !TARGET_SOFT_FLOAT on
        a chunk-by-chunk basis.  Use SCALAR_FLOAT_TYPE_P instead of a
        comparison with REAL_TYPE.  Rename local variable REG to REGNO
        and make it unsigned.
        (function_arg_advance): Rename to...
        (mips_function_arg_advance): ...this.
        (function_arg_boundary): Rename to...
        (mips_function_arg_boundary): ...this.
        (mips_pad_arg_upward): Use SCALAR_INT_MODE_P instead of a comparison
        with MODE_INT.
        (mips_fpr_return_fields): Use SCALAR_FLOAT_TYPE_P instead of a
        comparison with REAL_TYPE.
        (mips_function_value): Remove the FUNC argument.  Rename local
        variable UNSIGNEDP to UNSIGNED_P.
        (mips_return_in_memory): Use IN_RANGE.
        (mips_setup_incoming_varargs): Pass a boolean rather than an int
        to FUNCTION_ARG_ADVANCE.
        (mips_gimplify_va_arg_expr): Rename local variable INDIRECT
        to INDIRECT_P.  Remove a redundant mips_abi check.  Only calculate
        SIZE and RSIZE if needed.
        (mips16_stub): Rename FPRET to FP_RET_P and give it type "bool"
        rather than "int".
        (build_mips16_function_stub): Rename to...
        (mips16_build_function_stub): ...this.
        (build_mips16_call_stub): Rename to...
        (mips16_build_call_stub): ...this.  Make static, and return a
        "bool" rather than an "int".  Rename the ARG_SIZE argument to
        ARGS_SIZE.  Rename the local variable FPRET to FP_RET_P and give
        it type "bool".  Use "jr" rather than "j".  Use XNEW.  Simplify.
        (mips_load_call_address): Give the SIBCALL_P argument type "bool"
        rather than "int".
        (mips_expand_call): Likewise.  Assert that MIPS16 calls via stubs
        are not sibling ones.
        (mips_emit_fcc_reload): Rename to...
        (mips_expand_fcc_reload): ...this.
        (mips_get_unaligned_mem): Give the WIDTH and BITPOS arguments type
        "HOST_WIDE_INT".
        (mips_expand_unaligned_load): Rename to...
        (mips_expand_ext_as_unaligned_load): ...this and give the WIDTH
        and BITPOS arguments type "HOST_WIDE_INT".  Remove redundant
        SUBREG_BYTE check.
        (mips_expand_unaligned_store): Rename to...
        (mips_expand_ins_as_unaligned_store): ...this and give the WIDTH
        and BITPOS arguments type "HOST_WIDE_INT".
        (mips_use_ins_ext_p): Rename second and third arguments to WIDTH
        and BITPOS and give them type "HOST_WIDE_INT" rather than "rtx".
        Use IN_RANGE.
        (mips_init_split_addresses): Replace with...
        (mips_split_addresses_p): ...this new function.
        (mips_init_relocs): Check mips_split_addresses_p () rather than
        mips_split_addresses.  Always initialize mips_split_p with booleans.
        (print_operand_reloc): Rename to...
        (mips_print_operand_reloc): ...this.  Use a gcc_assert rather than
        a fatal_error.
        (print_operand): Rename to...
        (mips_print_operand): ...this.
        (print_operand_address): Rename to...
        (mips_print_operand_address): ...this.  Use GP_REG_FIRST.
        (mips_in_small_data_p): Simplify.
        (mips_output_ascii): Remove the PREFIX argument and "register"
        keywords.  Use the STRING parameter directly and cast to
        "unsigned char".
        (mips16e_collect_argument_save_p): Use IN_RANGE.
        (mips_function_has_gp_insn): Simplify.
        (mips_set_return_address): Use BITSET_P.
        (mips_restore_gp): Use a separate statement to pick the base
        register.
        (mips_output_function_prologue): Use a local FRAME variable.
        (mips_save_reg): Pass booleans to mips_subword.
        (mips_expand_prologue): Use a local FRAME variable.  Use
        cprestore_size to detect when .cprestore is needed.
        (mips_restore_reg): Use GP_REG_FIRST.
        (mips_expand_epilogue): Give the SIBCALL_P argument type "bool"
        rather than "int".  Use local FRAME and REGNO variables.
        (mips_can_use_return_insn): Return a "bool" rather than an "int".
        (mips_secondary_reload_class): Give the IN_P argument type "bool"
        rather than "int".
        (mips_linked_madd_p): Rename arguments to OUT_INSN and IN_INSN.
        (mips_store_data_bypass_p): Return a "bool" rather than an "int".
        (vr4130_swap_insns_p): Rename local variables to DEP1_P and DEP2_P.
        (mips_74k_agen_init): Assume INSN satisfies USEFUL_INSN_P.
        (mips_variable_issue): Do nothing unless INSN satisfies USEFUL_INSN_P.
        (builtin_description): Rename to...
        (mips_builtin_description): ...this.
        (mips_bdesc): Rename to...
        (mips_ps_bdesc): ...this.
        (sb1_bdesc): Rename to...
        (mips_sb1_bdesc): ...this.
        (dsp_bdesc): Rename to...
        (mips_dsp_bdesc): ...this.
        (dsp_32only_bdesc): Rename to...
        (mips_dsp_32only_bdesc): ...this.
        (bdesc_map): Rename to...
        (mips_bdesc_map): ...this.
        (bdesc_arrays): Rename to...
        (mips_bdesc_arrays): ...this.
        (mips_prepare_builtin_arg): Rename OP to OPNO and ARGNUM to ARGNO.
        Tweak error message.
        (mips_expand_builtin_direct): Rename HAS_TARGET to HAS_TARGET_P.
        Rename local variables I and J to OPNO and ARGNO respectively.
        Assert that the number of arguments is no more than the number of
        input operands.
        (mips_expand_builtin_compare): Use an array of arguments rather
        than an array of operands.  Assert that the number of operands is
        as expected.
        (add_constant): Rename to...
        (mips16_add_constant): ...this.  Use XNEW.
        (dump_constants_1): Rename to...
        (mips16_emit_constants_1): ...this.  Use ALL_SCALAR_FIXED_POINT_MODE_P.
        (dump_constants): Rename to...
        (mips16_emit_constants): ...this.
        (mips_sim_wait_reg, mips_sim_record_set): Use END_REGNO.
        (mips_set_mips16_mode): Don't call mips_init_split_addresses.
        Assign mips16_p to was_mips16_p.
        (mips_parse_cpu): Tweak warning message.
        (override_options): Rename to...
        (mips_override_options): ...this.  Move the mips_cost initialization
        out of the "shared with GAS" block.  Quote option names in error
        messages.
        (mips_conditional_register_usage): Make local variable REGNO unsigned.
        (mips_order_regs_for_local_alloc): Remove register keyword.

2007-10-21  Richard Sandiford  <rsandifo@nildram.co.uk>

        * system.h (IN_RANGE): Cast each argument individually.

2007-10-21  Richard Sandiford  <rsandifo@nildram.co.uk>

        * config/mips/mips.c (mips_set_mips16_mode) Say sorry for hard-float
        MIPS16 code unless using o32 or o64.  

2007-10-21  Richard Sandiford  <rsandifo@nildram.co.uk>

        * config/mips/mips.c (mips_cannot_change_mode_class): Don't check
        for modes smaller than 4 bytes.
        * config/mips/mips.md (*movhi_internal, *movqi_internal): Remove
        FPR alternatives.

2007-10-21  Richard Sandiford  <rsandifo@nildram.co.uk>

        * config/mips/mips-protos.h (mips_output_aligned_bss): Delete.
        * config/mips/linux.h (BSS_SECTION_ASM_OP): Delete.
        (ASM_OUTPUT_ALIGNED_BSS): Delete.
        * config/mips/mips.c (mips_output_aligned_bss): Delete.

2007-10-21  Richard Sandiford  <rsandifo@nildram.co.uk>

        * config/mips/mips.c (mips_function_ok_for_sibcall): Only forbid
        sibling calls to "mips16" functions if the function satisfies
        const_call_insn_operand.

2007-10-21  Richard Sandiford  <rsandifo@nildram.co.uk>

        * config/mips/mips.c (mips_va_start): Fix types in calls
        to build_int_cst.

2007-10-21  Richard Sandiford  <rsandifo@nildram.co.uk>

        * config/mips/mips.c (mips_rtx_costs): Only recognize reciprocals
        if ISA_HAS_FP4.

2007-10-21  Richard Sandiford  <rsandifo@nildram.co.uk>

        * config/mips/mips.h (ISA_HAS_LDC1_SDC1): New macro.
        * config/mips/mips.c (mips_split_64bit_move_p): Use ISA_HAS_LDC1_SDC1
        instead of checking mips_isa.

2007-10-21  Richard Sandiford  <rsandifo@nildram.co.uk>

        * doc/invoke.texi (-mpaired-single): Don't say that the option
        requires 64-bit code.
        * config/mips/mips-protos.h (mips_modes_tieable_p): Declare.
        * config/mips/mips.h (ISA_HAS_PAIRED_SINGLE): New macro.
        (ISA_HAS_NMADD_NMSUB): Add a mode argument.  Return true for
        V2SF if ISA_MIPS32R2.
        (MODES_TIEABLE_P): Use mips_modes_tieable_p.
        * config/mips/mips.c (mips_rtx_costs): Pass a mode argument
        to ISA_HAS_NMADD_NMSUB.
        (mips_split_doubleword_move): Handle V2SF.
        (mips_modes_tieable_p): New function.
        (override_options): Report a warning rather than an error when
        -mpaired-single is used on ISAs that don't support it; use
        ISA_HAS_PAIRED_SINGLE to check that case.
        * config/mips/mips.md (MOVE64): New mode iterator.  Replace DI
        and DF move splitters with a single MOVE64 splitter, thereby adding
        a V2SF splitter too.
        (SPLITF): Add TARGET_DOUBLE_FLOAT conditions to DI and DF.
        Add a TARGET_FLOAT64 condition to TF.  Add V2SF to the iterator.
        (HALFMODE): Add V2SF.
        (*nmadd<mode>, *nmadd<mode>_fastmath, *nmsub<mode>)
        (*nmsub<mode>_fastmath): Add a mode argument to ISA_HAS_NMADD_NMSUB.
        (movv2sf_hardfloat_64bit): Tweak ordering of conditions.
        (movv2sf_hardfloat_32bit): New pattern.
        (load_low<mode>, load_high<mode>, store_word<mode>): Remove
        TARGET_DOUBLE_FLOAT conditions.

2007-10-20  Jakub Jelinek  <jakub@redhat.com>

        * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Point
        saved CR2 offset to low 32 bits of regs->ccr rather than the whole
        64-bit register in 64-bit libgcc.

2007-10-20  Eric B. Weddington  <eweddington@cso.atmel.com>

        * config/avr/avr.c (avr_mcu_types): Add at90pwm2b, at90pwm3b.
        * config/avr/avr.h (LINK_SPEC): Likewise.
        (CRT_BINUTILS_SPECS): Likewsie.
        * config/avr/t-avr (MULTILIB_MATCHES): Likewise.

2007-10-20  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>

        * doc/invoke.texi (Warning Options): Move -w, -Werror, -Werror=
        and -Wfatal-errors together.
        
2007-10-20  Alan Modra  <amodra@bigpond.net.au>

        PR target/33812
        * config/rs6000/rs6000.c (rs6000_emit_epilogue): Revert 2007-05-16
        change for vrsave, ie restore after frame pop.

2007-10-19  David S. Miller  <davem@davemloft.net>

        * config/sparc/niagara2.md: Fix copyright notice.

2007-10-19  Sebastian Pop  <sebastian.pop@amd.com>

        PR tree-optimization/23820
        PR tree-optimization/24309
        PR tree-optimization/33766
        * testsuite/gcc.dg/tree-ssa/pr23820.c: New.
        * testsuite/gcc.dg/tree-ssa/pr24309.c: New.
        * testsuite/gcc.dg/tree-ssa/pr33766.c: New.
        * testsuite/gcc.dg/tree-ssa/ltrans-3.c: XFAILed.
        * tree-loop-linear.c (perfect_loop_nest_depth): New.
        (linear_transform_loops): Use perfect_loop_nest_depth.
        * lambda-code.c (perfect_nest_p): Outer loops in perfect nests 
        should have a single condition: their exit.

2007-10-19  Richard Guenther  <rguenther@suse.de>

        PR middle-end/33816
        PR middle-end/32921
        * stor-layout.c (layout_type): Assert that aggregates do not
        have their alias sets set.
        * alias.c (get_alias_set): Return alias set zero for incomplete
        types, return the alias set of the element for incomplete array
        types, but do not remember these.

2007-10-19  Richard Guenther  <rguenther@suse.de>

        Revert
        2007-10-19  Richard Guenther  <rguenther@suse.de>

        PR middle-end/32921
        * tree.c (build_array_type): Do not re-layout unbound array
        types.

2007-10-19  Richard Guenther  <rguenther@suse.de>

        PR middle-end/32921
        * tree.c (build_array_type): Do not re-layout unbound array
        types.

2007-10-19  Richard Sandiford  <rsandifo@nildram.co.uk>

        * config/mips/mips.c (mips_canonicalize_comparison):  Check
        mips_relational_operand_ok_p before trying to rewrite the test.
        Only calculate PLUS_ONE if needed.
        (mips_emit_int_relational): Don't call mips_relational_operand_ok_p
        here.

2007-10-19  Richard Sandiford  <rsandifo@nildram.co.uk>

        * config/mips/mips.c (mips16e_build_save_restore): Fix *OFFSET_PTR
        calculation.

2007-10-19  Richard Sandiford  <rsandifo@nildram.co.uk>

        * config/mips/mips.c (mips_call_tls_get_addr): Don't claim that
        the call uses the incoming value of $2.

2007-10-19  Richard Sandiford  <rsandifo@nildram.co.uk>

        * config/mips/mips.c (mips_call_tls_get_addr): Use gen_const_mem
        rather then gen_rtx_MEM.
        (mips_setup_incoming_varargs): Use gen_frame_mem rather than
        gen_rtx_MEM.
        (mips_set_return_address): Likewise.
        (mips_restore_gp): Likewise.

2007-10-19  Richard Sandiford  <rsandifo@nildram.co.uk>

        * config/mips/mips.c (gpr_mode): Delete.
        (mips16e_build_save_restore): Use word_mode and UNITS_PER_WORD
        instead of gpr_mode.
        (mips_for_each_saved_reg): Likewise.
        (mips_expand_prologue, mips_expand_epilogue): Likewise.
        (override_options): Don't initialize gpr_mode.
        * config/mips/mips.md (eh_return): Use word_mode instead of gpr_mode.

2007-10-19  Richard Sandiford  <rsandifo@nildram.co.uk>

        * config/mips/mips.c (mips_hard_regno_nregs): Put the UNITS_PER_WORD
        case last.
        (mips_class_max_nregs): Calculate the smallest consituent register
        size and use that to determine an upper bound on the number of
        registers.

2007-10-19  Richard Sandiford  <rsandifo@nildram.co.uk>

        * config/mips/mips.c (mips16_copy_fpr_return_value): New function,
        split out from...
        (mips_expand_epilogue): ...here.
        (mips_mdebug_abi_name): New function, split out from...
        (mips_file_start): ...here.
        (mips_hard_regno_mode_ok_p): New function, split out from...
        (override_options): ...here.
        (mips_expand_builtin_1): New function, split out from...
        (mips_expand_buitin): ...here.  Abort if we don't recognize
        the function.

2007-10-19  Richard Sandiford  <rsandifo@nildram.co.uk>

        * config/mips/mips.c (build_mips16_function_stub): Load the
        target address into $1 before transfering the arguments.
        Don't use ".set noreorder".
        (build_mips16_call_stub): Likewise.

2007-10-19  Richard Sandiford  <rsandifo@nildram.co.uk>

        * config/mips/mips.c (mips_output_32bit_xfer): New function.
        (mips_output_64bit_xfer): Likewise.
        (mips16_fp_args): Rename to...
        (mips_output_args_xfer): ...this and replace the FROM_FP_P argument
        with a DIRECTION argument.  Use mips_output_32bit_xfer and
        mips_output_64bit_xfer.
        (build_mips16_function_stub): Update accordingly.
        (mips16_fpret_double): Delete.
        (build_mips16_call_stub): Update after above changes.
        Use mips_output_32bit_xfer.  Use mips_output_64bit_xfer instead
        of mips16_fpret_double.  Use GP_REG_RETURN.

2007-10-19  Richard Sandiford  <rsandifo@nildram.co.uk>

        * config/mips/mips.c (mips16_fp_args): Remove the FILE argument and
        use asm_out_file instead.
        (build_mips16_function_stub): Likewise.
        (build_mips16_call_stub, mips_output_function_prologue): Update
        accordingly.

2007-10-18  David S. Miller  <davem@davemloft.net>

        Add Niagara-2 support.
        * doc/invoke.texi: Document -m{cpu,tune}=niagara2.
        * config.gcc: Add niagara2 to cpu and tune lists for sparc.
        * config/sparc/sparc.md (sparc_cpu_attr): Add niagara2.
        (include): Add inclusion of niagara2.md
        * config/sparc/sparc.c (niagara2_costs): New.
        (sparc_override_options): Add niagara2 entry to cpu_default[]
        and cpu_table[].  Set align_functions to 32 on Niagara2.  Use
        niagara2_costs when PROCESSOR_NIAGARA2.  Handle Niagara2 for
        PARAM_SIMULTANEOUS_PREFETCHES and PARAM_L1_CACHE_LINE_SIZE.
        (sparc_initialize_trampoline): Handle niagara2 like niagara.
        (sparc64_initialize_trampoline): Likewise.
        (sparc_use_sched_lookahead): Likewise.
        (sparc_issue_rate): Likewise.
        * config/sparc/sol2-bi.h: Handle TARGET_CPU_niagara2 and
        mcpu=niagara2
        * config/sparc/sparc.h (TARGET_CPU_niagara2): Define.
        ({CPP,ASM}_CPU64_DEFAULT_SPEC): Set appropriately for
        TARGET_CPU_niagara2.
        (PROCESSOR_NIAGARA2): New.
        (REGISTER_MOVE_COST): Handle PROCESSOR_NIAGARA2.
        (BRANCH_COST): Likewise.
        * config/sparc/linux64.h: Handle TARGET_CPU_niagara2.
        * config/sparc/sol2.h: Likewise.
        * config/sparc/niagara2.md: New file.

2007-10-18  Richard Sandiford  <rsandifo@nildram.co.uk>

        * config/mips/mips.c (mips_frame_info): Remove gp_reg_size and
        and fp_reg_size.
        (mips_compute_frame_info): Remove associated code.
        (mips16e_build_save_restore): Check num_fp instead of fp_reg_size.

2007-10-18  Richard Sandiford  <rsandifo@nildram.co.uk>

        * config/mips/mips-protos.h (compute_frame_size): Delete.
        * config/mips/mips.h: Update comments.
        * config/mips/mips.c (mips_frame_info): Remove initialized.
        (compute_frame_size): Rename to...
        (mips_compute_frame_info): ...this and make static.  Remove the
        SIZE argument and return no value.  Remove the setting of initialized.
        Update rest of file accordingly.
        (mips_set_return_address): Don't call compute_frame_size.
        (mips_can_use_return_insn): Don't check df_regs_ever_live_p (31).
        Don't call compute_frame_size.

2007-10-18  Richard Sandiford  <rsandifo@nildram.co.uk>

        * config/mips/mips-protos.h (mips_frame_pointer_required): Declare.
        * config/mips/mips.h (FRAME_POINTER_REQUIRED): Use
        mips_hard_frame_pointer_required.
        (CAN_ELIMINATE): Rely on FRAME_POINTER_REQUIRED to check for
        large MIPS16 frames.
        * config/mips/mips.c (mips_frame_pointer_required): New function.

2007-10-18  Richard Sandiford  <rsandifo@nildram.co.uk>

        * config/mips/mips.c (mips_frame_info): Add arg_pointer_offset
        and hard_frame_pointer_offset.
        (mips_debugger_offset): Use hard_frame_pointer_offset.
        (mips16e_collect_argument_save_p): Likewise.
        (compute_frame_size): Initialize arg_pointer_offset and
        hard_frame_pointer_offset.
        (mips_initial_elimination_offset): Use them.
        (mips_output_function_prologue): Use hard_frame_pointer_offset.
        (mips_expand_prologue, mips_expand_epilogue): Likewise.

2007-10-18  Richard Sandiford  <rsandifo@nildram.co.uk>

        * config/mips/mips.h (STARTING_FRAME_OFFSET): Remove rtl
        profiling code.
        * config/mips/mips.c (mips_frame_info): Give num_gp and num_fp type
        "unsigned int" rather than "int" and put them with the other
        register-related fields.  Put expanded comments above fields
        rather than to their right.
        (mips16e_mask_registers): Replace the GP_REG_SIZE_PTR argument
        with a NUM_REGS_PTR argument.
        (mips16e_save_restore_pattern_p): Update accordingly.
        (compute_frame_size): Clarify frame diagram.  Rewrite.

2007-10-18  Richard Sandiford  <rsandifo@nildram.co.uk>

        * config/mips/mips-ftypes.def: New file.
        * config/mips/mips.c (MIPS_FTYPE_NAME1, MIPS_FTYPE_NAME2)
        (MIPS_FTYPE_NAME3, MIPS_FTYPE_NAME4): New macros.
        (mips_function_type): Redefine using mips-ftypes.def.
        (dsp_bdesc): Use POINTER rather than PTR in the MIPS_*_FTYPE_* names.
        (mips_builtin_vector_type): New function.
        (MIPS_ATYPE_VOID, MIPS_ATYPE_INT, MIPS_ATYPE_POINTER, MIPS_ATYPE_SI)
        (MIPS_ATYPE_USI, MIPS_ATYPE_DI, MIPS_ATYPE_SF, MIPS_ATYPE_DF)
        (MIPS_ATYPE_V2SF, MIPS_ATYPE_V2HI, MIPS_ATYPE_V4QI, MIPS_FTYPE_ATYPES1)
        (MIPS_FTYPE_ATYPES2, MIPS_FTYPE_ATYPES3, MIPS_FTYPE_ATYPES4): New
        macros.
        (mips_build_function_type): New function.
        (mips_init_builtins): Use it to create types lazily.

2007-10-18  Richard Sandiford  <rsandifo@nildram.co.uk>

        * config/mips/mips.h (set_volatile): Delete.
        * config/mips/mips.c (set_volatile): Delete.
        (mips_print_operand_punctuation): New function, split out from
        print_operand.  Remove '%{', '%}', '%~', '%&' and '%!'.
        Use the same character ordering in the code and the comments.
        Use a recursive call to handle '*'.  Abort on unknown characters.
        (mips_init_print_operand_punct): New function, split out from
        override_options.
        (mips_print_int_branch_condition): New function, split out from
        print_operand.  Use GET_RTX_NAME.  Use output_operand_lossage
        to report unexpected codes.
        (mips_print_float_branch_condition): New function, split out from
        print_operand.  Use output_operand_lossage to report unexpected codes.
        (print_operand): Rework to use a case statement.  Use the
        same letter ordering in the code and the comments.  Use
        output_operand_lossage to report unexpected codes and
        reverse_condition to handle inverted branch conditions.
        (override_options): Use mips_init_print_operand_punct.

2007-10-18  Richard Sandiford  <rsandifo@nildram.co.uk>

        * config/mips/mips.h: Move variable declarations to end of file and
        enclose them all in #ifndef USED_FOR_TARGET.
        * config/mips/mips.c: Reorder functions into more logical groups,
        and so that callees appear before callers.  Put the targetm
        initializer at the end of the file.  Remove forward static
        declarations where possible.
        (mips_init_builtins): Add "static" to definition.
        (mips_expand_builtin, mips_mode_rep_extended): Likewise.

2007-10-18  Richard Sandiford  <rsandifo@nildram.co.uk>

        * config/mips/mips.c (TARGET_MIN_ANCHOR_OFFSET): Delete.
        (TARGET_MAX_ANCHOR_OFFSET): Delete.
        (mips_cannot_force_const_mem): Don't check TARGET_HAVE_TLS.
        (mips_set_mips16_mode): Initialize min_anchor_offset and
        max_anchor_offset directly to constants.

2007-10-18  Richard Sandiford  <rsandifo@nildram.co.uk>

        * config/mips/mips.c: Delete trailing whitespace.

2007-10-18  Richard Sandiford  <rsandifo@nildram.co.uk>

        * config/mips/mips.c (mips_expand_call): Use FAKE_CALL_REGNO.
        (mips_avoid_hazard): Allow multiple sets for HAZARD_DELAY,
        and pick the first.
        * config/mips/mips.md (load_call<mode>): Don't make the unspec
        depend on FAKE_CALL_REGNO.  Set FAKE_CALL_REGNO.

2007-10-18  David Daney  <ddaney@avtrex.com>

        * config/mips/linux-unwind.h (mips_fallback_frame_state): Use new
        reg_offset variable to calculate register locations.

2007-10-18  Richard Guenther  <rguenther@suse.de>

        * tree-ssa.c (uid_ssaname_map_eq): New function.
        (uid_ssaname_map_has): Likewise.
        (init_tree_ssa): Allocate default_defs as uid_ssaname map.
        * tree-flow.h (struct gimple_df): Make default_defs a
        uid_ssaname map.
        * tree-dfa.c (gimple_default_def): Deal with it.
        (set_default_def): Likewise.

2007-10-18  Richard Guenther  <rguenther@suse.de>

        * tree-flow.h (struct gimple_df): Make referenced_vars
        a uid_decl_map.
        (uid_decl_map_eq): Declare.
        (uid_decl_map_hash): Likewise.
        * tree-ssa.c (uid_decl_map_eq): New function.
        (uid_decl_map_hash): Likewise.
        (init_tree_ssa): Make referenced_vars a uid_decl_map.
        * tree-flow-inline.h (first_referenced_var): Deal with
        the referenced_vars representation change.
        (next_referenced_var): Likewise.
        * tree-dfa.c (referenced_var_lookup): Likewise.
        (referenced_var_check_and_insert): Likewise.
        (remove_referenced_var): Likewise.

2007-10-18  Daniel Jacobowitz  <dan@codesourcery.com>

        * config/mips/mips.c (mips_dwarf_register_span): New.
        (TARGET_DWARF_REGISTER_SPAN): Define.

2007-10-18  Chen Liqin  <liqin@sunnorth.com.cn>

        * config.gcc : update score-*-elf(extra_objs).
        * config/score/mac.md : Remove.
        * config/score/misc.md : Remove.
        * config/score/score7.md : Remove.
        * config/score/score-mdaux.h : Remove.
        * config/score/score-mdaux.c : Remove.
        * config/score/score-version.h : Remove.
        * config/score/score-generic.md : New.
        * config/score/score3.h : New.
        * config/score/score3.c : New.
        * config/score/score7.h : New.
        * config/score/score7.c : New.
        * config/score/mul-div.S : add flush_cache score3 support.
        * config/score/elf.h : Fix some typos.
        * config/score/score.md : merge score3 and score7 pattern.
        * config/score/score.c : use to seperate which target it used.
        * config/score/score.h : use to seperate the target macro.
        * config/score/score.opt : remove -mmac option , add -mscore3,
        -mscore3d and -march OPTION support.
 
2007-10-17  Andrew Pinski  <andrew_pinski@playstation.sony.com>

        * cfgexpand.c (expand_stack_vars): Add checking to make sure
        that the offset of a variable is not greater than the size
        of the paritition.

2007-10-17  Anatoly Sokolov <aesok@post.ru>

        * config/avr/avr.c (avr_mcu_types): Add support for atmega48p, 
        atmega88p, atmega168p and atmega328p devices.
        * config/avr/avr.h (LINK_SPEC): (Ditto.).
        (CRT_BINUTILS_SPECS): (Ditto.).
        * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).

2007-10-17  Maxim Kuvyrkov  <maxim@codesourcery.com>

        * sched-ebb.c: Surround code with '#ifdef INSN_SCHEDULING'.
        * ddg.c: Ditto.
        * sched-deps.c: Ditto.  Remove nested #ifdef's INSN_SCHEDULING.
        * sched-int.h: Surround declarations with '#ifdef INSN_SCHEDULING'.
        (print_insn): Move declaration to ...
        * rtl.h (print_insn): ... here.

2007-10-17  Maxim Kuvyrkov  <maxim@codesourcery.com>

        * config/m68k/m68k.h (m68k_sched_cpu, m68k_sched_attr_opx_type,
        m68k_sched_attr_opy_type, m68k_sched_attr_size, m68k_sched_attr_op_mem,
        m68k_sched_branch_type): Move declarations to ...
        * config/m68/m68k-protos.h: ... here.

2007-10-17  Maxim Kuvyrkov  <maxim@codesourcery.com>

        * genattrtab.c (main): Rearrange output of insn-attrtab.c headers.

2007-10-17  Eric B. Weddington  <eweddington@cso.atmel.com>

        * config/avr/avr.c (avr_mcu_types): Add attiny48.
        * config/avr/avr.h (LINK_SPEC): Likewise.
        (CRT_BINUTILS_SPECS): Likewsie.
        * config/avr/t-avr (MULTILIB_MATCHES): Likewise.

2007-10-17  Eric B. Weddington  <eweddington@cso.atmel.com>

        * config/avr/avr.c (avr_mcu_types): Add attiny43u.
        * config/avr/avr.h (CRT_BINUTILS_SPECS): Likewsie.
        * config/avr/t-avr (MULTILIB_MATCHES): Likewise.

2007-10-17  Uros Bizjak  <ubizjak@gmail.com>

        PR middle-end/33794
        * reg-stack.c (move_for_stack_reg): Swap input argument of
        UNSPEC_TAN insn to the top of the stack.

2007-10-17  Uros Bizjak  <ubizjak@gmail.com>

        PR target/32961
        * config/i386/i386.c (ix86_expand_builtin) [IX86_BUILTIN_PSLLWI128,
        IX86_BUILTIN_PSLLDI128, BUILTIN_PSLLQI128, IX86_BUILTIN_PSRAWI128,
        IX86_BUILTIN_PSRADI128, IX86_BUILTIN_PSRLWI128,
        IX86_BUILTIN_PSRLDI128, IX86_BUILTIN_PSRLQI128]: Do not require
        immediate shift value.
        * config/i386/emmintrin.h (_mm_slli_epi16, _mm_slli_epi32,
        _mm_slli_epi64, _mm_srai_epi16, _mm_srai_epi32, _mm_srli_epi16,
        _mm_srli_epi32, _mm_srli_epi64): Remove 'const' from count argument.
        Remove macros for !__OPTIMIZE__ case.

2007-10-17  Daniel Berlin  <dberlin@dberlin.org>

        * tree-ssa-structalias.c (rewrite_constraints): Don't test for
        directness anymore.
        (perform_var_substitution): Only DFS from real nodes. Don't test
        for directness.
        (unite_pointer_equivalences): Fix broken test.

2007-10-17  Alan Modra  <amodra@bigpond.net.au>

        * config/rs6000/rs6000.c (rs6000_emit_epilogue): Correct
        altivec sp_offset.  Rearrange sp_offset assignments to
        correspond to stack adjustments.  Use frame_reg_rtx for
        SPE register restores.  Correct SPE stack adjustment.

2007-10-17  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>

        * builtins.c (gimplify_va_arg_expr): Use inform for help message.
        * toplev.c (check_global_declaration_1): Use appropriate warning
        option instead of unnamed warning.
        * stor-layout.c (layout_decl): Likewise.
        * c-typeck.c (build_conditional_expr): Likewise.
        (build_compound_expr): Fix wrong comment.
        (build_binary_op): Use appropriate warning option instead of
        unnamed warning.
        * cfgexpand.c (tree_expand_cfg): Likewise.
        * tree-optimize.c (tree_rest_of_compilation): Likewise.
        * tree-cfg.c (remove_useless_stmts_warn_notreached): Likewise.
        (execute_warn_function_return): Likewise.
        * stmt.c (warn_if_unused_value): Likewise.

2007-10-16  Eric B. Weddington  <eweddington@cso.atmel.com>

        * config/avr/avr.c (avr_mcu_types): Add at90pwm216, at90pwm316.
        * config/avr/avr.h (LINK_SPEC): Likewise and remove regex for
        similar devices.
        (CRT_BINUTILS_SPECS): Likewsie.
        * config/avr/t-avr (MULTILIB_MATCHES): Likewise.

2007-10-16  Amruth Laxman  <amruth.laxman@nsn.com>

        PR target/33594
        * config/sparc/sparc.h (LOCAL_ALIGNMENT): Define.

2007-10-16  Eric Botcazou  <ebotcazou@libertysurf.fr>

        * dce.c (init_dce): Only initialize the obstacks for the fast pass.
        (fini_dce): Only release them for the fast pass.
        (end_ud_dce): Delete.
        (rest_of_handle_ud_dce): Do not modify df_in_progress.
        Call fini_dce instead of end_ud_dce.
        (rest_of_handle_fast_dce): Do not modify df_in_progress.
        (run_fast_df_dce): Reset df_in_progress to false on exit.

2007-10-16  Paolo Bonzini  <bonzini@gnu.org>
            Maxim Kuvyrkov  <maxim@codesourcery.com>

        * target.h (unspec_may_trap_p): New target hook.
        * target-def.h (TARGET_UNSPEC_MAY_TRAP_P): New macro.
        * targhooks.c (default_unspec_may_trap_p): Default implementation of
        the hook.
        * targhooks.h (default_unspec_may_trap_p): Declare it.
        * doc/tm.texi (TARGET_UNSPEC_MAY_TRAP_P): Document new hook.
        * rtlanal.c (may_trap_p_1): Use new hook.  Make global.
        * rtl.h (may_trap_p_1): Declare.
        
        * config/ia64/ia64.c (ia64_unspec_may_trap_p): New function to
        override default hook implementation.
        (TARGET_UNSPEC_MAY_TRAP_P): Override default implementation of the
        hook.

2007-10-16  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>

        * doc/invoke.texi (Wextra): Move it just after Wall, list the
        options enabled by Wextra and mention Wuninitialized.
        
2007-10-15  Nigel Stephens  <nigel@mips.com>

        * config/mips/mips.h (LOCAL_ALIGNMENT): Define.

2007-10-15  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/33136
        * opts.c (decode_options): Don't enable flag_ipa_type_escape.

2007-10-15  Alexandre Oliva  <aoliva@redhat.com>

        PR tree-optimization/33735
        PR tree-optimization/33572
        * tree-inline.c (update_ssa_across_abnormal_edges): Revert
        2007-10-09's change.
        * except.c (duplicate_eh_regions): Don't look for prev_try
        beyond ERT_ALLOWED_EXCEPTIONS with an empty list.

2007-10-15  Alexandre Oliva  <aoliva@redhat.com>

        PR middle-end/33706
        * tree-inline.c (copy_bb): Use bsi_replace to replace a
        __builtin_va_arg_pack-containing call stmt.

2007-10-15  Razya Ladelsky  <razya@il.ibm.com>

        * matrix-reorg.c (gate_matrix_reorg): Don't comment out whole
        program flag.

2007-10-15  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/33619
        * tree-ssa-ter.c (is_replaceable_p): Return false for all
        calls.

2007-10-15  David Edelsohn  <edelsohn@gnu.org>

        * config.gcc (powerpc-ibm-aix5*): Install altivec.h.

2007-10-15  Richard Guenther  <rguenther@suse.de>

        * fold-const.c (extract_array_ref): Remove.
        (fold_comparison): Handle POINTER_PLUS_EXPR with the
        generic address expression comparison folding.  Remove
        the folding that used extract_array_ref.

2007-10-15  Maxim Kuvyrkov  <maxim@codesourcery.com>

        PR target/33133
        * haifa-sched.c (process_insn_forw_deps_be_in_spec): Check if
        speculation type of insn can be changed before trying to do that.

2007-10-15  Eric Botcazou  <ebotcazou@libertysurf.fr>

        * dse.c (struct insn_info): Add 'frame_read' field.
        (scan_insn): For the call to a const function, set frame_read if
        reload has been run.
        If the insn reads the frame, kill the frame related stores.
        (scan_reads_nospill): Likewise.

2007-10-14  Jason Merrill  <jason@redhat.com>

        * tree-eh.c (optimize_double_finally): Don't assume that the
        cleanup we're duplicating is only one statement.

2007-10-14  Kazu Hirata  <kazu@codesourcery.com>

        * config/fixed-bit.c, config/i386/cpuid.h, config/i386/i386.c,
        config/i386/i386.md, config/i386/sse.md, function.c, jump.c,
        modulo-sched.c, ra-conflict.c, toplev.c, tree-eh.c, tree-sra.c,
        tree-ssa-dse.c, tree-vect-analyze.c, tree-vect-patterns.c,
        tree-vect-transform.c: Fix comment typos.
        * doc/extend.texi: Fix a typo.

        * c-common.h: Remove the prototype for c_expand_body.
        * c-tree.h: Remove the prototype for c_disregard_inline_limits.
        * tree.h: Remove the prototype for fold_build_call_expr.

        * c-objc-common.h (LANG_HOOKS_TREE_INLINING_CANNOT_INLINE_TREE_FN):
        Remove.
        * c-tree.h: Remove the prototype for c_cannot_inline_tree_fn.

2007-10-13  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/aix53.h: New file.
        * config/rs6000/aix{41,43,51,52}.h (TARGET_ALTIVEC): Define to 0.
        (TARGET_ALTIVEC_ABI): Same.
        * config/rs6000/aix.h (TARGET_ALTIVEC): Delete.
        (TARGET_ALTIVEC_ABI): Delete.
        * config.gcc (powerpc-ibm-aix5*): Rename to aix5.2.  Add new
        stanza defaulting to aix5.3.

2007-10-12  Nathan Froyd  <froydnj@codesourcery.com>

        * config/i386/i386.md (SI_REG, DI_REG): New constants.
        (strmov): Use defined constants.
        (cmpstrnsi): Likewise.
        * config/i386/i386.c (decide_alg): Use defined constants.
        (ix86_expand_strlen): Likewise.

2007-10-12  Richard Sandiford  <rsandifo@nildram.co.uk>

        * dse.c (find_shift_sequence): Reinstate "<= UNITS_PER_WORD" condition.
        * var-tracking.c (micro_operation_def): Update comment on u.loc.
        (mode_for_reg_attrs, var_lowpart): New functions.
        (add_uses): Consider recording a lowpart of LOC for MO_USE.
        (add_stores): Likewise MO_SET and MO_COPY.  If the source of a set
        or copy is known, set LOC to the SET that performs the set, instead
        of the destination.
        (find_src_status, find_src_set_src): Remove LOC parameter.
        Replace INSN with the source value.
        (compute_bb_dataflow, emit_notes_in_bb): Check for a SET u.loc when
        handling MO_SET and MO_COPY.  Update the calls to find_src_status
        and find_src_set_src.

2007-10-12  Nathan Froyd  <froydnj@codesourcery.com>

        PR 11001
        * config/i386/i386.md (strmov): Check for esi and edi usage.
        * config/i386/i386.c (decide_alg): Check whether we can use a
        rep prefix and adjust algorithm choice accordingly.
        (ix86_expand_strlen): Check for eax, ecx, and edi usage.

2007-10-12  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * config/c4x/c4x.md (mulqi3, mulhi3): Use optab_libfunc.

2007-10-12  Kenneth Zadeck <zadeck@naturalbridge.com>

        * global.c (build_insn_chain): Formatting fixes.

2007-10-12  Richard Guenther <rguenther@suse.de>

        * tree-ssa-forwprop.c (forward_propagate_into_cond): For
        combining both operands require either both have single uses
        or combining to a constant.

2007-10-12  Richard Guenther  <rguenther@suse.de>

        PR middle-end/26198
        * tree-ssa-forwprop.c (can_propagate_from): Do not propagate from
        a rhs with side-effects or which is a load.
        (forward_propagate_into_cond): Also try combining both operands.

2007-10-12  Uros Bizjak  <ubizjak@gmail.com>

        PR tree-optimization/33742
        * tree-vect-transform.c (vectorizable_operation): Return false
        if get_vectype_for_scalar_type for scalar_dest can't be determined.
        (vectorizable_call): Same for rhs_type and lhs_type.

2007-10-12  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/33645
        * tree-ssa-live.c (mark_all_vars_used): Add data argument,
        pass it to walk_tree.
        (mark_all_vars_used_1): Pass data through to mark_all_vars_used.
        When calling set_is_used on a VAR_DECL, if data is not NULL and
        its DECL_UID is in the bitmap, call mark_all_vars_used on its
        DECL_INITIAL after clearing the bit in bitmap.
        (remove_unused_locals): Adjust mark_all_vars_used callers.
        Instead of removing unused global vars from unexpanded_var_list
        immediately record them in bitmap, call mark_all_vars_used on
        all used global vars from unexpanded_var_list and only purge
        global vars that weren't found used even during that step.
 
2007-10-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        * gthr-posix.h (__gthread_active_init): Create detached instead of
        joinable thread when testing whether threads are active on hppa-hpux.
        * gthr-posix95.h (__gthread_active_init): Likewise.

2007-10-11  Kenneth Zadeck <zadeck@naturalbridge.com>

        PR middle-end/33676
        * global.c (build_insn_chain): Include insn that occur between
        basic blocks.
        
2007-10-11  Tom Tromey  <tromey@redhat.com>

        * gengtype-yacc.y: Delete.

2007-10-11  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.md (AX_REG, DX_REG, CX_REG): New constants.
        * config/i386/i386.c (ix86_function_arg_regno_p, function_arg_32,
        function_value_32, function_value_64, function_value_ms_64,
        setup_incoming_varargs_64, ix86_expand_prologue, ix86_expand_call,
        legitimize_tls_address, x86_this_parameter, x86_output_mi_thunk):
        Use new constants.

2007-10-11  Richard Guenther  <rguenther@suse.de>

        * gcse.c (hash_scan_set): If the next nonnote insn is in
        a different basic block insert the set.

2007-10-11  Richard Guenther  <rguenther@suse.de>

        PR middle-end/33724
        * tree-cfg.c (one_pointer_to_useless_type_conversion_p): New function.
        (verify_gimple_expr): Use it to verify pointer-to types for
        ADDR_EXPRs.

2007-10-11  Richard Guenther  <rguenther@suse.de>

        PR c/33726
        * c-typeck.c (build_array_ref): Do not strip qualifiers from
        the array element type.

2007-10-11  Eric Botcazou  <ebotcazou@libertysurf.fr>

        PR rtl-optimization/33638
        * dse.c (struct insn_info): Remove 'stack_read' field,
        add 'stack_pointer_based' field.
        (record_store): For a store with non-constant base, record
        whether it is stack pointer based.
        (scan_insn): For the call to a const function, remove stack
        pointer based stores from the list of local active stores.
        (scan_reads_nospill): Delete code dealing with const functions.

2007-10-10  Peter Bergner  <bergner@vnet.ibm.com>

        * ra-conflict.c (partial_bitnum, max_bitnum): Change type of variables
        to HOST_WIDE_INT.
        (conflict_p, set_conflict, set_conflicts): Likewise.
        * global.c (global_alloc): Likewise.
        * ra.h: Update prototypes.

2007-10-10  Wolfgang Gellerich  <gellerich@de.ibm.com>

        * opth-gen.awk: Fixed generation of comment stating the origin
          of options.h

2007-10-10  Kazu Hirata  <kazu@codesourcery.com>

        Revert:
        2007-10-09  Kazu Hirata  <kazu@codesourcery.com>
        * longlong.h (count_leading_zeros): Replace '{' and '}' with '%{'
        and '%}', respectively.

        Revert:
        2007-10-09  Kazu Hirata  <kazu@codesourcery.com>
        * config/m68k/m68k.c (print_operand): Handle '{' and '}'.
        * config/m68k/m68k.h (PRINT_OPERAND_PUNCT_VALID_P): Accept '{'
        and '}'.
        * config/m68k/m68k.md: Replace '{' with '%{' where '{' is
        meant to be output.

        Revert:
        2007-10-07  Kazu Hirata  <kazu@codesourcery.com>
        * config/m68k/m68k.c, config/m68k/m68k.md: Use the assembly
        syntax for ASSEMBLER_DIALECT.
        * config/m68k/m68k.h (ASSEMBLER_DIALECT): New.

2007-10-10  Revital Eres  <eres@il.ibm.com>

        * modulo-sched.c (check_nodes_order): Dump the final order of
        the nodes.
        (get_sched_window): Add dump info.
        (calculate_order_params): Dump order params of the nodes.

2007-10-09  Kenneth Zadeck <zadeck@naturalbridge.com>

        PR middle-end/33669
        * ra-conflict.c (record_one_conflict_between_regnos, 
        set_conflicts_for_earlyclobber, global_conflicts): Improved logging.
        (global_conflicts): Enhanced incorrect check.
        
2007-10-09  Geoffrey Keating  <geoffk@apple.com>

        * dwarf2out.c (output_call_frame_info): FDEs are always emitted
        if flag_exceptions is not set.
        * config/darwin.c (darwin_emit_unwind_label): Rewrite to use
        assemble_name rather than incorrectly emulating it.

        * doc/extend.texi (Deprecated Features): Mention that <? and >? and
        friends are removed from G++.

2007-10-09  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>

        * c-opts.c (c_common_handle_option): -Wnontemplate-friend,
        -Wwrite-strings and -Wmultichar are enabled by default, so Wall
        enabling them is redundant. Don't check two times for
        c_dialect_cxx.
        
2007-10-09  H.J. Lu  <hongjiu.lu@intel.com>

        * ra-conflict.c (record_one_conflict_between_regnos): Revert
        the last change.
        (set_conflicts_for_earlyclobber): Likewise.
        (global_conflicts): Likewise.

2007-10-09  Kazu Hirata  <kazu@codesourcery.com>

        * longlong.h (count_leading_zeros): Replace '{' and '}' with '%{'
        and '%}', respectively.

2007-10-09  Kazu Hirata  <kazu@codesourcery.com>

        * config/m68k/m68k.c (print_operand): Handle '{' and '}'.
        * config/m68k/m68k.h (PRINT_OPERAND_PUNCT_VALID_P): Accept '{'
        and '}'.
        * config/m68k/m68k.md: Replace '{' with '%{' where '{' is
        meant to be output.

2007-10-09  Richard Guenther  <rguenther@suse.de>

        PR middle-end/33692
        * gimplify.c (canonicalize_component_ref): Honor qualifiers
        of referenced structure and component.

2007-10-09  Kenneth Zadeck <zadeck@naturalbridge.com>

        PR middle-end/33669
        * ra-conflict.c (record_one_conflict_between_regnos,
        set_conflicts_for_earlyclobber, global_conflicts): Improved
        logging.
        (global_conflicts): Removed incorrect check.

2007-10-09  Richard Sandiford  <rsandifo@nildram.co.uk>

        PR tree-optimization/33615
        * tree-ssa-pre.c (compute_avail): Don't call make_values_for_stmt
        if the statement might throw.  Fix formatting.

2007-10-09  Richard Sandiford  <rsandifo@nildram.co.uk>

        PR tree-optimization/33615
        * tree-ssa-loop-im.c (movement_possibility): Return MOVE_IMPOSSIBLE
        if the rhs might throw.

2007-10-09  Jan Hubicka  <jh@suse.cz>

        * invoke.texi (align-threshold, align-loop-iterations): Document.
        * final.c: Include cfgloop.h, params.h
        (compute_alignments): Dump decisions and compare them with loop
        structure; honor given parameters.
        (pass_compute_alignments): New dump file.
        * params.def (PARAM_ALIGN_THRESHOLD, PARAM_ALIGN_LOOP_ITERATIONS): New.
        * Makefile.in (final.o): Add dependency on cfgloop.h and params.h

2007-10-09  James E. Wilson  <wilson@specifix.com>

        PR tree-optimization/33655
        PR middle-end/22156
        * tree-sra.c (bitfield_overlaps_p): When fld->element is INTEGER_CST,
        convert it to bitsizetype before size_binop call.

2007-10-09  Alexandre Oliva  <aoliva@redhat.com>

        PR tree-optimization/33572
        * tree-inline.c (update_ssa_across_abnormal_edges): Tolerate
        the absence of a corresponding edge from the exit block.

2007-10-09  Alexandre Oliva  <aoliva@redhat.com>

        PR middle-end/22156
        * tree-sra.c (instantiate_element): Use BYTES_BIG_ENDIAN for
        bit-field layout.
        (sra_build_assignment): Likewise.  Set up mask depending on
        precision, not type.
        (sra_build_bf_assignment): Use BYTES_BIG_ENDIAN.  Don't overflow
        computing bit masks.
        (sra_build_elt_assignment): Don't view-convert from signed to
        unsigned.
        (sra_explode_bitfield_assignment): Use bit-field type if
        possible.  Use BYTES_BIG_ENDIAN.

2007-10-08  Alexandre Oliva  <aoliva@redhat.com>

        PR middle-end/22156
        * tree-sra.c (scalarize_lsdt): Fix thinko in testing whether
        the original stmt can throw.
        (sra_build_bf_assignment): Fix type mismatch when applying negated
        mask.

2007-10-08  Geoffrey Keating  <geoffk@apple.com>

        * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS): Register
        '#pragma mark' to be executed at preprocessing time.

2007-10-08  Ollie Wild  <aaw@google.com>

        * varasm.c (compare_constant): Removed call to
        lang_hooks.expand_constant.
        (copy_constants): Removed call to lang_hooks.expand_constant.
        (compute_reloc_for_constant): Removed call to
        lang_hooks.expand_constant.
        (output_addressed_constants): Removed call to
        lang_hooks.expand_constant.
        (constructor_static_from_elts_p): Removed call to
        lang_hooks.expand_constant.
        (output_constant): Removed calls to lang_hooks.expand_constant.
        * langhooks.h (struct lang_hooks): Removed field expand_constant.
        * langhooks-def.h (lhd_return_tree): Removed.
        (LANG_HOOKS_EXPAND_CONSTANT): Removed.
        (LANG_HOOKS_INITIALIZER): Removed LANG_HOOKS_EXPAND_CONSTANT.
        * langhooks.c (lhd_return_tree): Removed.

2007-10-08  Mark Shinwell  <shinwell@codesourcery.com>

        * combine.c (setup_incoming_promotions): Ensure that
        arguments that have not undergone mode promotions do not
        incorrectly get marked as being sign- or zero-extended.

2007-10-08  Richard Guenther  <rguenther@suse.de>

        PR middle-end/33693
        PR middle-end/33695
        PR middle-end/33697
        * fold-const.c (fold_binary): Use correct types in folding
        of a * (1 << b) to (a << b).  Likewise for ~A & ~B to ~(A | B)
        and building of RROTATE_EXPR.

2007-10-08  Richard Guenther  <rguenther@suse.de>

        PR middle-end/33691
        PR middle-end/33694
        PR middle-end/33696
        * fold-const.c (fold_binary): Use the correct types when
        folding (A | CST1) & CST2 to (A & CST2) | (CST1 & CST2).
        (fold_binary): Use the correct types when folding
        (-A) - B to (-B) - A.
        (fold_unary): Use the correct types when folding ~(X).

2007-10-08  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>

        * doc/invoke.texi (Wall): fix formatting issues.
        
2007-10-07  Richard Sandiford  <rsandifo@nildram.co.uk>

        * simplify-rtx.c (simplify_binary_operation_1): Canonicalize
        truncated shift counts.

2007-10-07  Kazu Hirata  <kazu@codesourcery.com>

        * config/m68k/m68k.c, config/m68k/m68k.md: Use the assembly
        syntax for ASSEMBLER_DIALECT.
        * config/m68k/m68k.h (ASSEMBLER_DIALECT): New.

2007-10-06  Eric Botcazou  <ebotcazou@adacore.com>
            Nathan Froyd  <froydnj@codesourcery.com>

        * dwarf2out.c (dwarf2out_frame_init): Check for DWARF2_FRAME_INFO
        when determining whether to record INCOMING_RETURN_ADDR_RTX.

2007-10-06  Eric Botcazou  <ebotcazou@adacore.com>

        Revert:
        2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>

        * tree.h (DECL_IGNORED_P): Document further effect for FUNCTION_DECL.
        * cgraphunit.c (cgraph_expand_function): If DECL_IGNORED_P is set on
        the function, temporarily point the debug interface to the null one.

2007-10-06  Alexandre Oliva  <aoliva@redhat.com>

        PR tree-optimization/33655
        PR middle-end/22156
        * tree-sra.c (bitfield_overlaps_p): Handle array and complex
        elements.

2007-10-06  Alexandre Oliva  <aoliva@redhat.com>

        PR tree-optimization/33572
        * tree-cfg.c (verify_stmts): Check for missing PHI defs.
        * tree-inline.c (update_ssa_across_eh_edges): Renamed to...
        (update_ssa_across_abnormal_edges): ... this.  Set slots in the
        return PHI node.
        (copy_edges_for_bb): Handle nonlocal label edges.
        (make_nonlocal_label_edges): Deleted.
        (optimize_inline_calls): Don't call it.

2007-10-05  Hans-Peter Nilsson  <hp@axis.com>

        * gthr-single.h: Revert last change.

2007-10-05  Michael Matz  <matz@suse.de>

        PR middle-end/33667
        * lower-subreg.c (decompose_multiword_subregs): Use
        validate_unshare_change().

2007-10-05  Peter Bergner  <bergner@vnet.ibm.com>

        * ra-conflict.c: Include "sparseset.h".
        (conflicts): Change to HOST_WIDEST_FAST_INT.
        (allocnos_live): Redefine variable as a sparseset.
        (SET_ALLOCNO_LIVE, CLEAR_ALLOCNO_LIVE, GET_ALLOCNO_LIVE):
        Delete macros.
        (allocno_row_words): Removed global variable.
        (partial_bitnum, max_bitnum, adjacency_pool, adjacency): New variables.
        (CONFLICT_BITNUM, CONFLICT_BITNUM_FAST): New defines.
        (conflict_p, set_conflict_p, set_conflicts_p): New functions.
        (record_one_conflict_between_regnos): Cache allocno values and reuse.
        Use set_conflict_p.
        (record_one_conflict): Update uses of allocnos_live to use
        the sparseset routines.  Use set_conflicts_p.
        (mark_reg_store): Likewise.
        (set_reg_in_live): Likewise.
        (global_conflicts): Update uses of allocnos_live.
        Use the new adjacency list to visit an allocno's neighbors
        rather than iterating over all possible allocnos.
        Call set_conflicts_p to setup conflicts rather than adding
        them manually.
        * global.c: Comments updated.  
        (CONFLICTP): Delete define.
        (regno_compare): New function.  Add prototype.
        (global_alloc): Sort the allocno to regno mapping according to
        which basic blocks the regnos are referenced in.  Modify the
        conflict bit matrix to a compressed triangular bitmatrix.
        Only allocate the conflict bit matrix and adjacency lists if
        we are actually going to allocate something.
        (expand_preferences): Use conflict_p.  Update uses of allocnos_live.
        (prune_preferences): Use the FOR_EACH_CONFLICT macro to visit an
        allocno's neighbors rather than iterating over all possible allocnos.
        (mirror_conflicts): Removed function.
        (dump_conflicts): Iterate over regnos rather than allocnos so
        that all dump output will be sorted by regno number.
        Use the FOR_EACH_CONFLICT macro.
        * ra.h: Comments updated.
        (conflicts): Update prototype to HOST_WIDEST_FAST_INT.
        (partial_bitnum, max_bitnum, adjacency, adjacency_pool):
        Add prototypes.
        (ADJACENCY_VEC_LENGTH, FOR_EACH_CONFLICT): New defines.
        (adjacency_list_d, adjacency_iterator_d): New types.
        (add_neighbor, adjacency_iter_init, adjacency_iter_done,
        adjacency_iter_next, regno_basic_block): New static inline functions.
        (EXECUTE_IF_SET_IN_ALLOCNO_SET): Removed define.
        (conflict_p): Add function prototype.
        * sparseset.h, sparseset.c: New files.
        * Makefile.in (OBJS-common): Add sparseset.o.
        (sparseset.o): New rule.

2007-10-05  Richard Guenther  <rguenther@suse.de>

        PR middle-end/33666
        * fold-const.c (fold_unary): Do not fold (long long)(int)ptr
        to (long long)ptr.

2007-10-05  Michael Matz  <matz@suse.de>

        PR inline-asm/33600
        * function.c (match_asm_constraints_1): Check for input
        being used in the outputs.

2007-10-05  Richard Guenther  <rguenther@suse.de>

        * tree-cfg.c (verify_gimple_expr): Accept OBJ_TYPE_REF.

2007-10-05  Richard Sandiford  <rsandifo@nildram.co.uk>

        PR target/33635
        * config/mips/mips.c (mips_register_move_cost): Rewrite to use
        subset checks.  Make the cost of FPR -> FPR moves depend on
        mips_mode_ok_for_mov_fmt_p.

2007-10-04  Doug Kwan  <dougkwan@google.com>

        * gthr-posix.h (__gthread_cond_broadcast, __gthread_cond_wait,
        __gthread_cond_wait_recursive): Add to extend interface for POSIX
        conditional variables. (__GTHREAD_HAS_COND): Macro defined to signify
        support of conditional variables.
        * gthr-posix95.h (__gthread_cond_broadcast, __gthread_cond_wait,
        __gthread_cond_wait_recursive): Add to extend interface for POSIX
        conditional variables. (__GTHREAD_HAS_COND): Macro defined to signify
        support of conditional variables.
        * gthr-single.h (__gthread_cond_broadcast, __gthread_cond_wait,
        __gthread_cond_wait_recursive): Add to extend interface for POSIX
        conditional variables.
        * gthr.h: Update comments to document new interface.

2007-10-04  Geoffrey Keating  <geoffk@apple.com>

        * cgraphunit.c (cgraph_build_static_cdtor): Don't set
        DECL_IGNORED_P.

2007-10-04  Anatoly Sokolov <aesok@post.ru>

        * config/avr/avr.c (expand_epilogue): Don't set RTX_FRAME_RELATED_P.

2007-10-04  Richard Guenther  <rguenther@suse.de>

        PR middle-end/33641
        * tree-cfg.c (verify_gimple_expr): Operand one of POINTER_PLUS_EXPR
        does not need to be of INTEGER_TYPE.
        (verify_gimple_2): New function split out from ...
        (verify_gimple_1): ... here.  ICE if there was an error during
        verification.

2007-10-04  Michael Matz  <matz@suse.de>

        PR rtl-optimization/33653
        * dce.c (deletable_insn_p_1): Use volatile_refs_p().
        * dse.c (scan_insn): Same.

2007-10-04  Kazu Hirata  <kazu@codesourcery.com>

        * config.gcc: Remove USE_GAS for m68k targets.

2007-10-04  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/33627
        * tree-gimple.h (canonicalize_cond_expr_cond): Declare.
        * tree-gimple.c (canonicalize_cond_expr_cond): New function,
        split out from ...
        * tree-ssa-forwprop.c (combine_cond_expr_cond): ... here.
        * tree-ssa-ifcombine.c (ifcombine_iforif): Use it.

2007-10-04  Anatoly Sokolov <aesok@post.ru>

        * config/avr/avr.c (commands_in_file, commands_in_prologues, 
        commands_in_epilogues): Remove variables.
        (avr_file_start): Remove unneded initializations of commands_in_file,
        commands_in_prologues and commands_in_epilogues variables.
        (avr_file_end): Remove dead code.

2007-10-04  Kazu Hirata  <kazu@codesourcery.com>

        * config/m68k/m68k.c (m68k_output_movem): Use the MOTOROLA if
        MOTOROLA is to true.

2007-10-03  Richard Sandiford  <rsandifo@nildram.co.uk>

        PR target/33635
        * config/mips/mips-protos.h (mips_split_64bit_move): Rename to...
        (mips_split_doubleword_move): ...this.
        * config/mips/mips.c (mips_subword): Extend to handle 64-bit words;
        use natural endianness for multi-format FPR values.
        (mips_split_64bit_move): Rename to...
        (mips_split_doubleword_move): ...this and extend to 64-bit words.
        Use move_doubleword_fpr* patterns for moves involving FPRs.
        (mips_save_reg): Update the call to mips_split_64bit_move.
        (mips_secondary_reload_class): Return NO_REGS for any reload of a
        nonzero constant into an FPR if the constant can be forced to memory.
        * config/mips/mips.md: Update the splitter calls to
        mips_split_64bit_move.
        (UNSPEC_LOAD_DF_LOW): Rename to...
        (UNSPEC_LOAD_LOW): ...this.
        (UNSPEC_LOAD_DF_HIGH): Rename to...
        (UNSPEC_LOAD_HIGH): ...this.
        (UNSPEC_STORE_DF_HIGH): Rename to...
        (UNSPEC_STORE_WORD): ...this.
        (SPLITF): New mode iterator.
        (HALFMODE): New mode attribute.
        (movtf): New expander.
        (*movtf_internal): New define_insn_and_split.
        (move_doubleword_fpr<mode>): New expander.
        (load_df_low, load_df_high, store_df_high, mthc1, mfhc1): Replace
        with...
        (load_low<mode>, load_high<mode>, store_word<mode>, mthc1<mode>)
        (mfhc1<mode>): ...these more general patterns.

2007-10-03  Alexandre Oliva  <aoliva@redhat.com>

        * cfgrtl.c (rtl_block_ends_with_call_p): Skip notes at the end.

2007-10-03  Alexandre Oliva  <aoliva@redhat.com>

        * gcse.c (hash_scan_set): Insert set in insn before note at
        the end of basic block.

2007-10-03  Sebastian Pop  <sebastian.pop@amd.com>

        PR tree-optimization/33576
        * testsuite/gcc.dg/tree-ssa/pr33576.c: New.
        * tree-loop-linear.c (linear_transform_loops): Call remove_iv.
        * lambda.h (lambda_loopnest_to_gcc_loopnest): New parameter.
        (remove_iv): Declared.
        * lambda-code.c (remove_iv): Not static.
        (lambda_loopnest_to_gcc_loopnest): New parameter remove_ivs.
        Don't remove ivs there, save ivs in the buffer.

2007-10-03  Jason Merrill  <jason@redhat.com>

        PR c++/15764
        * tree-eh.c (same_handler_p): New fn.
        (optimize_double_finally): New fn.
        (refactor_eh_r): New fn.
        (refactor_eh): New fn.
        (pass_refactor_eh): New pass.
        * tree-pass.h: Declare it.
        * passes.c (init_optimization_passes): Add it.

2007-10-03  Doug Kwan  <dougkwan@google.com>
        Richard Guenther  <rguenther@suse.de>

        PR debug/31899
        * dwarf2out.c (reference_to_unused): Disable sanity checking,
        be conservative instead.

2007-10-03  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>

        PR fortran/26682
        * doc/invoke.texi (-fwhole-program): Document that Fortran
        doesn't support this option.

2007-10-02  Richard Sandiford  <rsandifo@nildram.co.uk>

        PR middle-end/33617
        * expr.c (expand_expr_addr_expr_1): Pass CONSTRUCTORs to
        expand_expr.

2007-10-02  David Daney  <ddaney@avtrex.com>

        * config/mips/mips.md (sync_compare_and_swap<mode>): Handle compare
        against constant zero.
        * config/mips/mips.h (MIPS_COMPARE_AND_SWAP):  Handle constant zero
        operand.

2007-09-02  Kenneth Zadeck <zadeck@naturalbridge.com>

        * ra-conflict.c: New file.
        * ra.h: New file.
        * reload.c (push_reload, find_dummy_reload): Change DF_RA_LIVE
        usage to DF_LIVE usage.
        (reload): Remove reference to df_get_live_top.
        * rtlanal.c (subreg_nregs_with_regno): New function.  
        * df-scan.c (df_def_record_1, df_uses_record): Add code to set
        DF_REF_EXTRACT, DF_REF_STRICT_LOWER_PART, and DF_REF_SUBREG flags.
        (df_has_eh_preds): Removed.
        (df_bb_refs_collect, df_bb_refs_collect, df_bb_refs_collect,
        df_exit_block_uses_collect): Changed call from df_has_eh_preds to
        bb_has_eh_pred.
        * global.c (allocno, max_allocno, conflicts, allocno_row_words,
        reg_allocno, EXECUTE_IF_SET_IN_ALLOCNO_SET): Moved to ra.h
        (SET_ALLOCNO_LIVE, CLEAR_ALLOCNO_LIVE): Moved to ra-conflicts.c.
        (regs_set, record_one_conflict, record_conflicts, mark_reg_store,
        mark_reg_clobber, mark_reg_conflicts, mark_reg_death): Deleted.
        (global_alloc): Turn off rescanning insns after call to
        global_conflicts and added call to set_preferences.
        (global_conflicts): Moved to ra-alloc.c.
        (set_preferences_1, set_preferences): New function.
        (mirror_conflicts): Changed types for various variables.
        (mark_elimination): Change DF_RA_LIVE
        usage to DF_LIVE usage.
        (build_insn_chain): Rewritten from scratch and made local.
        (print_insn_chain, print_insn_chains): New functions.
        (dump_conflicts): Do not print conflicts for fixed_regs.
        (rest_of_handle_global_alloc): Turn off insn rescanning.
        * hard-reg-set.h: Fixed comment.
        * local-alloc.c (update_equiv_regs): Change DF_RA_LIVE
        usage to DF_LIVE usage and delete refs to TOP sets.
        (block_alloc): Mark regs as live if they are in the artificial
        defs at top of block.
        (find_stack_regs): New function.
        (rest_of_handle_local_alloc): Changed urec problem to live
        problem and do not turn off df rescanning.
        * df.h (DF_UREC, DF_UREC_BB_INFO, DF_LIVE_TOP, DF_RA_LIVE_IN,
        DF_RA_LIVE_TOP, DF_RA_LIVE_OUT, df_urec_bb_info, df_urec,
        df_urec_add_problem, df_urec_get_bb_info, df_has_eh_preds): Removed.
        (DF_CHAIN, DF_NOTE, DF_CHAIN): Renumbered.
        (DF_REF_EXTRACT, DF_REF_STRICT_LOWER_PART, DF_REF_SUBREG): New
        fields in df_ref_flags.  The rest have been renumbered.  
        * init-regs.c (initialize_uninitialized_regs): Enhanced debugging
        at -O1.
        * rtl.h (subreg_nregs_with_regno): New function.
        * df-problems.c: (df_get_live_out, df_get_live_in,
        df_get_live_top): Removed reference to DF_RA_LIVE.
        (df_lr_reset, df_lr_transfer_function, df_live_free_bb_info,
        df_live_alloc, df_live_reset, df_live_local_finalize,
        df_live_free): Make top set only if different from in set.
        (df_lr_top_dump, df_live_top_dump): Only print top set if
        different from in set.
        (df_lr_bb_local_compute): Removed unnecessary check.
        (df_urec_problem_data, df_urec_set_bb_info, df_urec_free_bb_info, 
        df_urec_alloc, df_urec_mark_reg_change, earlyclobber_regclass, 
        df_urec_check_earlyclobber, df_urec_mark_reg_use_for_earlyclobber,
        df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
        df_urec_local_compute, df_urec_init, df_urec_local_finalize, 
        df_urec_confluence_n, df_urec_transfer_function, df_urec_free, 
        df_urec_top_dump, df_urec_bottom_dump, problem_UREC,
        df_urec_add_problem): Removed.
        (df_simulate_fixup_sets): Changed call from df_has_eh_preds to
        bb_has_eh_pred. 
        * Makefile.in (ra-conflict.o, ra.h): New dependencies.
        * basic_block.h (bb_has_abnormal_pred): New function.
        * reload1.c (compute_use_by_pseudos): Change DF_RA_LIVE
        usage to DF_LIVE usage.
        
2007-10-02  Revital Eres  <eres@il.ibm.com>

        * config/rs6000/predicates.md (easy_vector_constant): Return false
        for 750CL paired vectors.
        * config/rs6000/paired.md (movv2sf_paired): Fix move of easy
        vector constant.
        (vec_initv2sf): Add new description.
        (vconcatsf): Likewise.
        * config/rs6000/rs6000-protos.h: Declare paired_expand_vector_init.
        * config/rs6000/rs6000.c (paired_expand_vector_init): New function.

2007-10-01  Alexandre Oliva  <aoliva@redhat.com>

        * tree-ssa-sink.c (sink_code_in_bb): Don't stop sinking after
        sinking the last stmt in a BB.

2007-10-01  Alexandre Oliva  <aoliva@redhat.com>

        PR middle-end/22156
        * tree-sra.c (struct sra_elt): Add in_bitfld_block.
        (sra_hash_tree): Handle BIT_FIELD_REFs.
        (sra_elt_hash): Don't hash bitfld blocks.
        (sra_elt_eq): Skip them in parent compares as well.  Handle
        BIT_FIELD_REFs.
        (build_element_name_1): Handle BIT_FIELD_REFs.
        (instantiate_element): Propagate nowarn from parents.  Create
        BIT_FIELD_REF for variables that are widened by scalarization.
        Gimple-zero-initialize all bit-field variables that are not
        part of parameters that are going to be scalarized on entry.
        (instantiate_missing_elements_1): Return the sra_elt.
        (canon_type_for_field): New.
        (try_instantiate_multiple_fields): New.  Infer widest possible
        access mode from decl or member type, but clip it at word
        size, and only widen it if a field crosses an alignment
        boundary.
        (instantiate_missing_elements): Use them.
        (generate_one_element_ref): Handle BIT_FIELD_REFs.
        (scalar_bitfield_p): New.
        (sra_build_assignment): Optimize assignments from scalarizable
        BIT_FIELD_REFs.  Use BITS_BIG_ENDIAN to determine shift
        counts.
        (REPLDUP): New.
        (sra_build_bf_assignment): New.  Optimize assignments to
        scalarizable BIT_FIELD_REFs.
        (sra_build_elt_assignment): New.  Optimize BIT_FIELD_REF
        assignments to full variables.
        (generate_copy_inout): Use the new macros and functions.
        (generate_element_copy): Likewise.  Handle bitfld differences.
        (generate_element_zero): Don't recurse for blocks.  Use
        sra_build_elt_assignment.
        (generate_one_element_init): Take elt instead of var.  Use
        sra_build_elt_assignment.
        (generate_element_init_1): Adjust.
        (bitfield_overlap_info): New struct.
        (bitfield_overlaps_p): New.
        (sra_explode_bitfield_assignment): New.  Adjust widened
        variables to account for endianness.
        (sra_sync_for_bitfield_assignment): New.
        (scalarize_use): Re-expand assignment to/from scalarized
        BIT_FIELD_REFs.  Explode or sync needed members for
        BIT_FIELD_REFs accesses or assignments.  Use REPLDUP.
        (scalarize_copy): Use REPLDUP.
        (scalarize_ldst): Move assert before dereference.  Adjust EH
        handling.
        (dump_sra_elt_name): Handle BIT_FIELD_REFs.

2007-10-01  Paolo Bonzini  <bonzini@gnu.org>

        * simplify-rtx.c (comparison_result, simplify_relational_operation_1):
        Rename CR_* constants to CMP_*.  Fix spacing.

2007-10-01  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>

        PR other/33585
        * Makefile.in (build_html_dir/gccinstall): gccinstall.texi needs
        to be processed with the special script doc/install.texi2html.
        
2007-09-30  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>

        * doc/invoke.texi (Wall): List the options enabled by Wall.
        (Wstrict-aliasing): Add missing @option.
        
2007-09-30  Richard Sandiford  <rsandifo@nildram.co.uk>

        * config/mips/mips.c (mips_split_64bit_move): Use gen_rtx_REG_offset
        rather than gen_lowpart to change a register from DImode to DFmode.
        (mips_cannot_change_mode_class): Only allow FPRs to change mode if
        both FROM and TO are integer modes that are no bigger than 4 bytes.
        (mips_mode_ok_for_mov_fmt_p): New function.
        (mips_preferred_reload_class): Use it instead of FLOAT_MODE_P.
        (mips_secondary_reload_class): Tweak formatting and comments.
        Use reg_class_subset_p instead of direct comparisons with
        classes.  Only allow direct FPR<->FPR moves for modes that
        satisfy mips_mode_ok_for_mov_fmt_p.  Only allow loads and stores
        for 4- and 8-byte types.  Handle reloads in which X is an FPR.
        * config/mips/mips.md (*movdi_gp32_fp64): Remove f<-f alternative.
        (*movdi_64bit): Likewise.
        (*movsi_internal): Likewise.
        (*movhi_internal): Likewise.
        (*movqi_internal): Likewise.

2007-09-30  Diego Novillo  <dnovillo@google.com>

        PR 33593
        * tree-ssa-ter.c (is_replaceable_p): Return false if STMT may
        throw an exception.

2007-09-30  Uros Bizjak  <ubizjak@gmail.com>

        PR tree-optimization/33597
        * tree-vect-analyze.c (vect_build_slp_tree): Check if optab handler
        for LSHIFT_EXPR and RSHIFT_EXPR is available for vec_mode.

2007-09-28  Uros Bizjak  <ubizjak@gmail.com>

        * config/i386/i386.c (ix86_expand_move): Use can_create_pseudo_p ()
        instead of variants of (!reload_in_progress && !reload_completed).
        (x86_expand_vector_move): Ditto.

2007-09-28  Ollie Wild  <aaw@google.com>

        Revert
        2007-09-27  Ollie Wild  <aaw@google.com>

        * varasm.c (compare_constant): Removed call to
        lang_hooks.expand_constant.
        (copy_constants): Removed call to lang_hooks.expand_constant.
        (compute_reloc_for_constant): Removed call to
        lang_hooks.expand_constant.
        (output_addressed_constants): Removed call to
        lang_hooks.expand_constant.
        (constructor_static_from_elts_p): Removed call to
        lang_hooks.expand_constant.
        (output_constant): Removed calls to lang_hooks.expand_constant.
        * langhooks.h (struct lang_hooks): Removed field expand_constant.
        * langhooks-def.h (lhd_return_tree): Removed.
        (LANG_HOOKS_EXPAND_CONSTANT): Removed.
        (LANG_HOOKS_INITIALIZER): Removed LANG_HOOKS_EXPAND_CONSTANT.
        * langhooks.c (lhd_return_tree): Removed.

2007-09-28  Andrew Pinski  <andrew_pinski@playstation.sony.com>

        PR target/33347
        * config/spu/spu.c (spu_expand_insv): Call copy_rtx on the second
        argument to gen_selb.

2007-09-28  Chao-ying Fu  <fu@mips.com>

        * libgcc-std.ver: Add fixed-point routines to GCC_4.3.0 section.
        * doc/libgcc.texi (Fixed-point fractional library routines):
        Fix typos for neg and cmp functions.

2007-09-28  Michael Matz  <matz@suse.de>

        PR rtl-optimization/33552
        * function.c (match_asm_constraints_1): Check for overlap in
        inputs and replace all occurences.

2007-09-28  Richard Sandiford  <rsandifo@nildram.co.uk>

        * config/mips/mips.c (override_options): Fix comment typo.

2007-09-28  Jie Zhang  <jie.zhang@analog.com>

        * config.gcc (bfin*-linux-uclibc*): Set extra_parts
        to "crtbegin.o crtbeginS.o crtend.o crtendS.o".
        * config/bfin/t-bfin-linux (crti.o): Don't build.
        (crtn.o): Likewise.
        (EXTRA_MULTILIB_PARTS): Remove crti.o and crtn.o.
        * config/bfin/t-bfin-uclinux (crti.o): Don't build.
        (crtn.o): Likewise.
        (EXTRA_MULTILIB_PARTS): Remove crti.o and crtn.o.

2007-09-27  Ollie Wild  <aaw@google.com>

        * varasm.c (compare_constant): Removed call to
        lang_hooks.expand_constant.
        (copy_constants): Removed call to lang_hooks.expand_constant.
        (compute_reloc_for_constant): Removed call to
        lang_hooks.expand_constant.
        (output_addressed_constants): Removed call to
        lang_hooks.expand_constant.
        (constructor_static_from_elts_p): Removed call to
        lang_hooks.expand_constant.
        (output_constant): Removed calls to lang_hooks.expand_constant.
        * langhooks.h (struct lang_hooks): Removed field expand_constant.
        * langhooks-def.h (lhd_return_tree): Removed.
        (LANG_HOOKS_EXPAND_CONSTANT): Removed.
        (LANG_HOOKS_INITIALIZER): Removed LANG_HOOKS_EXPAND_CONSTANT.
        * langhooks.c (lhd_return_tree): Removed.

2007-09-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        PR middle-end/33436
        * expr.c (emit_group_load_1): Split constant double when destination
        length is half source length.

2007-09-27  Richard Sandiford  <rsandifo@nildram.co.uk>

        * config/mips/mips.h (PTF_AVOID_BRANCHLIKELY): New macro.
        (mips_cpu_info): Add tune_flags.
        (GENERATE_BRANCHLIKELY): Remove TARGET_SR71K check.
        * config/mips/mips.c (mips_cpu_info_table): Add tune_flags fields.
        Remove end marker.
        (override_options): Remove deprecation code.  Use branch-likely
        instructions for optimize_size or if the tuning flags do not
        suggest otherwise.  Tweak warning.
        (mips_matching_cpu_name_p, mips_parse_cpu): Use ARRAY_SIZE.

2007-09-27  Matthias Klose  <doko@ubuntu.com>

        * config/i386/t-linux64 (MULTILIB_OSDIRNAMES): Use ../lib32 as the
        multilib osdirname if it exists.
        * config/rs6000/t-linux64 (MULTILIB_OSDIRNAMES): Likewise.

2007-09-27  Ian Lance Taylor  <iant@google.com>

        PR tree-optimization/33565
        * tree-ssa-loop-ch.c (copy_loop_headers): Set TREE_NO_WARNING on
        assignments of comparisons.
        * tree-ssa-sccvn.c (simplify_binary_expression): Add stmt
        parameter.  Change caller.  Defer overflow warnings around call to
        fold_binary.
        * fold-const.c (fold_undefer_overflow_warnings): Don't warn if
        TREE_NO_WARNING is set on the statement.
        * tree-ssa-forwprop.c
        (tree_ssa_forward_propagate_single_use_vars): Don't test
        TREE_NO_WARNING when calling fold_undefer_overflow_warnings.
        * tree-cfg.c (fold_cond_expr_cond): Likewise.

2007-09-27  Joseph Myers  <joseph@codesourcery.com>

        * config/rs6000/rs6000.c (rs6000_legitimize_address): Do not
        reduce offset by units of 0x10000 for SPE vector modes or modes
        used with E500 double instructions.

2007-09-04  Paolo Bonzini  <bonzini@gnu.org>

        * simplify-rtx.c (comparison_result): New.
        (simplify_const_relational_operation): Use it instead of the five
        "equal|op[01]ltu?" variables; consequently remove redundant "else"s.
        Improve bounds-checking optimizations; remove subsumed POPCOUNT
        optimizations.  Extract nonzero_address_p optimizations into a
        separate "if" together with optimizations where op1 is const0_rtx.
        Optimize comparing an IOR with zero.  Simplify op0 RELOP op0 for
        floating-point arguments too when appropriate.  Hoist test for ABS
        outside the final switch statement.
        * cse.c (fold_rtx): Don't look for an IOR equivalent of
        folded_arg0 if we found a constant equivalent.  Remove
        transformations done in simplify-rtx.c for "op0 RELOP op0".

2007-09-27  Jakub Jelinek  <jakub@redhat.com>

        * builtins.c (expand_builtin, expand_builtin_object_size,
        expand_builtin_memory_chk, maybe_emit_chk_warning,
        maybe_emit_sprintf_chk_warning): Use new %K format string specifier
        for diagnostics.
        * expr.c (expand_expr_real_1): Likewise.
        * langhooks-def.h (struct diagnostic_info): Add forward decl.
        (lhd_print_error_function): Add third argument.
        * langhooks.h (struct diagnostic_info): Add forward decl.
        (struct lang_hooks): Add third argument to print_error_function.
        * diagnostic.h (diagnostic_info): Add abstract_origin field.
        (diagnostic_last_function_changed, diagnostic_set_last_function): Add
        second argument.
        (diagnostic_report_current_function): Likewise.
        * toplev.c (announce_function): Pass NULL as second argument to
        diagnostic_set_last_function.
        * diagnostic.c (diagnostic_report_current_function): Add second
        argument, pass it as third argument to lang_hooks.print_error_function.
        (default_diagnostic_starter): Pass DIAGNOSTIC as second argument
        to diagnostic_report_current_function.
        (diagnostic_report_diagnostic): Initialize diagnostic->abstract_origin
        and message.abstract_origin.
        (verbatim): Initialize abstract_origin.
        * pretty-print.h (text_info): Add abstract_origin field.
        * pretty-print.c (pp_base_format): Handle %K.
        * langhooks.c (lhd_print_error_function): Add third argument.  If
        diagnostic->abstract_origin, print virtual backtrace.
        * c-format.c (gcc_diag_char_table, gcc_tdiag_char_table,
        gcc_cdiag_char_table, gcc_cxxdiag_char_table): Support %K.
        (init_dynamic_diag_info): Likewise.

2007-09-26  David Daney  <ddaney@avtrex.com>

        PR target/33479
        * config/mips/mips.md (sync_compare_and_swap<mode>, sync_old_add<mode>,
        sync_new_add<mode>, sync_old_<optab><mode>, sync_new_<optab><mode>,
        sync_old_nand<mode>, sync_new_nand<mode>,
        sync_lock_test_and_set<mode>): Fix '&' constraint modifiers.
        Update length attributes.
        (sync_add<mode>, sync_sub<mode>, sync_old_sub<mode>,
        sync_new_sub<mode>, sync_<optab><mode>, sync_nand<mode>): Update
        length attributes.
        * config/mips/mips.h (MIPS_COMPARE_AND_SWAP, MIPS_SYNC_OP,
        MIPS_SYNC_OLD_OP, MIPS_SYNC_NEW_OP, MIPS_SYNC_NAND,
        MIPS_SYNC_OLD_NAND, MIPS_SYNC_NEW_NAND, MIPS_SYNC_EXCHANGE): Add
        post-loop sync.

2007-09-26  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/33563
        * tree-ssa-dse.c (get_use_of_stmt_lhs): Rename to ...
        (get_kill_of_stmt_lhs): ... this.  Re-structure.  Handle
        aggregate stores.
        (dse_optimize_stmt): Call get_kill_of_stmt_lhs instead of
        get_use_of_stmt_lhs.

2007-09-26  Joseph Myers  <joseph@codesourcery.com>

        PR c/25309
        * c-common.c (complete_array_type): Diagnose too-large arrays and
        set type to error_mark_node.

2007-09-26  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/30375
        PR tree-optimization/33560
        * tree-ssa-dse.c (get_use_of_stmt_lhs): Give up on uses
        with calls.

        Revert
        2006-05-22  Aldy Hernandez  <aldyh@redhat.com>

        * tree-ssa-dse.c (aggregate_vardecl_d): New.
        (dse_global_data): Add aggregate_vardecl field.
        (dse_possible_dead_store_p): New.
        Add prev_defvar variable.
        Allow immediate uses and previous immediate uses to differ
        if they are setting different parts of the whole.
        (get_aggregate_vardecl): New.
        (dse_record_partial_aggregate_store): New.
        (dse_whole_aggregate_clobbered_p): New.
        (dse_partial_kill_p): New.
        Call dse_maybe_record_aggregate_store().
        When checking whether a STMT and its USE_STMT refer to the
        same memory address, check also for partial kills that clobber
        the whole.
        Move some variable definitions to the block where they are used.
        (aggregate_vardecl_hash): New.
        (aggregate_vardecl_eq): New.
        (aggregate_vardecl_free): New.
        (aggregate_whole_store_p): New.
        (tree_ssa_dse): Initialize and free aggregate_vardecl.
        Mark which aggregate stores we care about.

2007-09-25  DJ Delorie  <dj@redhat.com>

        PR target/33551
        * config/m32c/m32c.c (m32c_immd_dbl_mov): Use INTVAL instead of
        XINT.

2007-09-25  Michael Meissner  <michael.meissner@amd.com>

        PR target/33524
        * config/i386/i386.c (ix86_expand_sse5_unpack): Change to call
        gen_sse5_pperm_sign_v4si_v2di and gen_sse5_pperm_zero_v4si_v2di
        for vector int32 -> int64 conversions.  Don't write beyond the end
        of the allocated vector for int32 -> int64 conversions.

2007-09-25  Revital Eres  <eres@il.ibm.com>

        * config/rs6000/paired.h (paired_sel): New.
        * config/rs6000/rs6000.c (bdesc_3arg): Add selv2sf4.
        (rs6000_expand_ternop_builtin): Pass zero const_double operand
        when expanding selv2sf.
        * config/rs6000/rs6000.h (rs6000_builtins): Add
        PAIRED_BUILTIN_SELV2SF4.

2007-09-25  Joseph Myers  <joseph@codesourcery.com>

        PR c/32295
        * c-typeck.c (default_conversion): Call require_complete_type
        before perform_integral_promotions.
        (build_unary_op): Call require_complete_type except for ADDR_EXPR.
        (build_c_cast): Call require_complete_type except for casts to
        void types.
        (convert_for_assignment): Call require_complete_type.

2007-09-25  Revital Eres  <eres@il.ibm.com>

        * config/spu/spu.md: Fix doloop pattern.

2007-09-25  Bernd Schmidt  <bernd.schmidt@analog.com>

        * config/bfin/bfin.c (expand_prologue_reg_save,
        expand_epilogue_reg_restore): Code to save and restore I/M/B/L regs
        and ASTAT moved here...
        (expand_interrupt_handler_prologue, expand_interrupt_handler_epilogue):
        ... from here.  New argument ALL; callers changed.
        (n_regs_saved_by_prologue): Count ASTAT for plain saveall functions.
        (bfin_expand_prologue, bfin_expand_epilogue): Deal with functions that
        have the "saveall" attribute.

2007-09-25  Hans-Peter Nilsson  <hp@bitrange.com>

        * config/mmix/mmix.h (FUNCTION_INCOMING_ARG_REGNO_P): Don't define
        bogus target macro.
        (INCOMING_REGNO, OUTGOING_REGNO): Define.
        * config/mmix/mmix.c (mmix_opposite_regno): New function.
        * config/mmix/mmix-protos.h (mmix_opposite_regno): Prototype.

        * config/mmix/mmix.md ("*cmpcc_folded"): In condition, gate
        with REG_P tests before REGNO access.

2007-09-24  DJ Delorie  <dj@redhat.com>

        PR target/31482
        * config/m32c/cond.md (stzx_reversed_<mode>): Add an output
        constraint.
        (movqicc_<code>_<mode>): Likewise.
        (movhicc_<code>_<mode>): Likewise.

2007-09-24  Rask Ingemann Lambertsen  <rask@sygehus.dk>

        PR target/33184
        * config/m32c/m32c.c (m32c_eh_return_data_regno): Leave an address
        register for reload.

2007-09-24  Danny Smith  <dannysmith@user.sourceforge.net>

        PR c++/14688
        * config/i386/i386.c (ix86_comp_type_attributes): Check
        METHOD_TYPE too.

2007-09-24  Roman Zippel <zippel@linux-m68k.org> 

        * config/m68k/m68k.h (ASM_OUTPUT_ALIGN_WITH_NOP): New, use
        "move.l %a4,%a4" to produce nops.
        * config/m68k/m68k.c (override_options): Reset align options,
        if neccessary align macro isn't avaible.

2007-09-24  Roman Zippel <zippel@linux-m68k.org> 

        config/m68k/linux.h (PREFERRED_STACK_BOUNDARY): New.

2007-09-24  Roman Zippel <zippel@linux-m68k.org> 

        * config/m68k/m68k.c (strict_low_part_peephole_ok): Don't leave
        the basic block.
        * config/m68k/m68k.md (movsi_m68k): Allow certain constant when
        reload is completed.
        (peephole pattern): Convert most of them to RTL peephole pattern.

2007-09-24  Roman Zippel <zippel@linux-m68k.org> 

        * config/m68k/m68k.c (notice_update_cc): Recognize fp compare
        (moved from fp compare patterns).
        * config/m68k/m68k.md (cmp<mode>, cmp<mode>_68881, cmp<mode>_cf):
        Cleanup predicates to relieve reload.
        (conditional_trap): Reject conditional trap with fp condition.
        * gcc/config/m68k/predicates.md (fp_src_operand): New, reject
        certain constants early.

2007-09-24  Roman Zippel <zippel@linux-m68k.org>

        * gcc/final.c (final_scan_insn): Remove accidentally duplicated code.

2007-09-24  Andrew Pinski  <andrew_pinski@playstation.sony.com>

        * config.gcc (powerpc*-*-*): --with-cpu=cell is a 64bit CPU.
        Allow --with-tune=cell and --with-cpu=cell.

2007-09-24  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/rs6000-protos.h (rs6000_emit_swrsqrtsf): Declare.
        * config/rs6000/rs6000.opt (swdiv): Change option to ...
        (recip): this.
        * config/rs6000/rs6000.c (rs6000_builtin_reciprocal): New
        function.
        (TARGET_BUILTIN_RECIPROCAL): Use it.
        (rs6000_builtin_expand): Expand recip, recipf, and rsqrtf.
        (rs6000_init_builtins): Initialize recip, recipf, and rsqrtf.
        (rs6000_emit_swrsqrtsf): New.
        * config/rs6000/rs6000.h (rs6000_builtins): Add recip, recipf, and
        rsqrtf. 
        * config/rs6000/rs6000.md (UNSPEC_RSQRT): Define.
        (divsf3): Remove swdiv support.
        (recipsf3): New.
        (rsqrtsf2): New.
        (rsqrt_internal1): New.
        (divdf3): Remove swdiv support.
        (reciptdf3): New.

2007-09-24  Jakub Jelinek  <jakub@redhat.com>

        PR c++/33506
        * langhooks.h (struct lang_hooks_for_types): Add type_hash_eq
        field.
        * langhooks-def.h (LANG_HOOKS_TYPE_HASH_EQ): Define.
        (LANG_HOOKS_FOR_TYPES_INITIALIZER): Add LANG_HOOKS_TYPE_HASH_EQ.
        * tree.c (type_hash_eq): For FUNCTION_TYPE use
        lang_hooks.type.type_hash_eq in addition to generic tests.

2007-09-24  Pranav Bhandarkar  <pranav.bhandarkar@celunite.com>
        Ramana Radhakrishnan  <ramana@hercules.pun.celunite.com>

        * tree-inline.h (eni_weights): Add field target_builtin_cost to
        reflect the cost per call to a target specific builtin.
        * tree-inline.c (estimate_num_insns_1): If it is a CALL_EXPR for a
        call to a target specific builtin, then use target_builtin_call_cost.
        (init_inline_once): Initialize target_builtin_call_cost field.

2007-09-24  Kai Tietz  <kai.tietz@onevision.com>

        PR middle-end/33472
        * config/i386/i386.c (return_in_memory_ms_64): Handle return types for
        complex types.

2007-09-23  H.J. Lu  <hongjiu.lu@intel.com>

        * configure.ac (ld_vers): Support GNU linker version xx.xx.*
        * configure: Regenerated.

2007-09-23  Ollie Wild  <aaw@google.com>

        * fold-const.c (fold_binary): Fold BIT_AND_EXPR's with a pointer
        operand.
        (get_pointer_modulus_and_residue): New function.

2007-09-23  Richard Sandiford  <rsandifo@nildram.co.uk>

        * config/mips/mips.c (build_mips16_call_stub): On 64-bit targets,
        combine an SC return value into a single register.

2007-09-23  Richard Sandiford  <rsandifo@nildram.co.uk>

        * opth-gen.awk (target_flags_explicit): Declare.
        * toplev.h (target_flags_explicit): Delete declaration.
        * toplev.c (target_flags): Likewise.
        * config/mips/mips.h (mips_llsc_setting, mips_llsc): Delete.
        (GENERATE_SYNC, GENERATE_LL_SC): Redefine using target_explicit_flags.
        Never return true for TARGET_MIPS16.
        * config/mips/mips.c (mips_llsc): Delete.
        (mips_handle_option): Remove -mllsc handling.
        (mips_strip_unspec_address): Tweak comment.
        * config/mips/mips.opt (mllsc): Use a target mask.

2007-09-23  Richard Sandiford  <rsandifo@nildram.co.uk>

        * doc/tm.texi (POINTERS_EXTEND_UNSIGNED): Document extensions to
        word_mode as well as Pmode.

2007-09-23  Richard Sandiford  <rsandifo@nildram.co.uk>

        * function.c (assign_parm_setup_block): Explicitly convert BLKmode
        parameters from word_mode to the subword type if such a truncation
        is not a no-op.

2007-09-23  Jakub Jelinek  <jakub@redhat.com>

        * configure.ac (MAKEINFO): Handle makeinfo version 4.10 and above.
        * configure: Regenerated.

2007-09-23  Jan Hubicka  <jh@suse.cz>

        * params.def (INLINE_CALL_COST): Set to 12.
        * invoke.texi (inline-call-cost): Update default value.

2007-09-23  Eric Botcazou  <ebotcazou@adacore.com>

        * config/alpha/alpha.md (movti): Use operand_subword for the split.

2007-09-23  Ayal Zaks  <zaks@il.ibm.com>
            Revital Eres  <eres@il.ibm.com>

        * modulo-sched.c (doloop_register_get): Rewrite the loop which
        checks whether the count_reg is found outside the control part.

2007-09-23  Jakub Jelinek  <jakub@redhat.com>

        * expr.c (expand_expr_real_1) <case CALL_EXPR>: Use get_callee_fndecl
        instead of checking CALL_EXPR_FN directly to test for builtins.
        If error or warning attributes are present, print
        error resp. warning.
        * c-common.c (handle_error_attribute): New function.
        (c_common_attribute_table): Add error and warning
        attributes.
        * doc/extend.texi: Document error and warning attributes.

        * tree.h (block_nonartificial_location): New prototype.
        * tree.c (block_nonartificial_location): New function.
        * dwarf2out.c (gen_subprogram_die): Add DW_AT_artificial
        if artificial attribute is present on abstract inline decl.
        * c-common.c (handle_artificial_attribute): New function.
        (c_common_attribute_table): Add artificial attribute.
        * final.c (override_filename, override_linenum): New variables.
        (final_scan_insn): For DBX_DEBUG or SDB_DEBUG, set override_filename
        and override_linenum if inside of a block inlined from
        __attribute__((__artificial__)) function.
        (notice_source_line): Honor override_filename and override_linenum.
        * doc/extend.texi: Document __attribute__((__artificial__)).
        * config/i386/emmintrin.h: Add __artificial__ attribute to
        all __always_inline__ functions.
        * config/i386/mmintrin.h: Likewise.
        * config/i386/tmmintrin.h: Likewise.
        * config/i386/mm3dnow.h: Likewise.
        * config/i386/pmmintrin.h: Likewise.
        * config/i386/ammintrin.h: Likewise.
        * config/i386/xmmintrin.h: Likewise.
        * config/i386/smmintrin.h: Likewise.
        * config/i386/bmmintrin.h: Likewise.
        * config/i386/mmintrin-common.h: Likewise.

        PR middle-end/28755
        * expr.c (expand_constructor): New function.
        (expand_expr_real_1) <case CONSTRUCTOR>: Call it.
        (expand_expr_real_1) <case ARRAY_REF>: Call it if VALUE is
        CONSTRUCTOR.

2007-09-23  Richard Sandiford  <rsandifo@nildram.co.uk>

        * config/mips/mips.c (dump_constants_1): Generalize to include
        fractional and accumulator modes.

2007-09-23  Richard Sandiford  <rsandifo@nildram.co.uk>

        * config/mips/mips.h (ISA_HAS_DSP, ISA_HAS_DSPR2): New macros.
        * config/mips/mips.c (mips_set_mips16_mode): Don't clear the DSP
        flags for MIPS16.
        (override_options): Check TARGET_HARD_FLOAT_ABI instead of
        TARGET_HARD_FLOAT when testing whether -mpaired-single is
        supported.
        (mips_conditional_register_usage): Check ISA_HAS_DSP instead of
        TARGET_DSP.
        * config/mips/constraints.md (ka): Check ISA_HAS_DSPR2 instead of
        TARGET_DSPR2.
        * config/mips/mips.md (ANYF): Require TARGET_HARD_FLOAT for V2SF.
        (mulv2sf3, movv2sf, movv2sf_hardfloat_64bit): Require
        TARGET_HARD_FLOAT.
        (<u>mulsidi3_32bit_internal, <u>msubsidi4, <u>maddsidi4): Check
        ISA_HAS_DSPR2 instead of TARGET_HAS_DSPR2.
        * config/mips/mips-dsp.md: Use ISA_HAS_DSP instead of TARGET_HAS_DSP
        throughout.
        * config/mips/mips-dspr2.md: Likewise ISA_HAS_DSPR2 and
        TARGET_HAS_DSPR2.
        * config/mips/mips-fixed.md: Use ISA_HAS_DSP and ISA_HAS_DSPR2
        instead of TARGET_HAS_DSP and TARGET_HAS_DSPR2.
        * config/mips/mips-ps-3d.md: Add TARGET_HARD_FLOAT to V2SF patterns.

2007-09-22  Jason Merrill  <jason@redhat.com>

        PR c++/19407
        * attribs.c (lookup_attribute_spec): Split out...
        (decl_attributes): From here.
        * tree.h: Declare it.

2007-09-22  Richard Sandiford  <rsandifo@nildram.co.uk>

        * doc/sourcebuild.texi: Document dg-add-options mips16_attribute.

2007-09-22  Eric Botcazou  <ebotcazou@adacore.com>

        * tree-inline.c (remap_type_1): Correctly chain variants.

2007-09-22  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/33146
        * fold-const.c (fold_binary): Use the original tree
        for negating.
        * tree.h (STRIP_SIGN_NOPS): Converting from or to pointer
        also changes "sign".

2007-09-22  Eric Botcazou  <ebotcazou@adacore.com>

        PR target/32325
        * except.c (finish_eh_generation): Call commit_edge_insertions if
        there are insns queued on the entry edge.
        * config/alpha/alpha.c (alpha_gp_save_rtx): Insert the insns on
        the entry edge.

2007-09-22  Richard Sandiford  <rsandifo@nildram.co.uk>

        * doc/sourcebuild.texi (dg-add-c99-runtime-options): Document.

2007-09-19  Michael Meissner  <michael.meissner@amd.com>

        * gcc/config/i386/i386.c: Delete trailing whitespace.
        * gcc/config/i386/i386.h: Ditto.
        * gcc/config/i386/bmmintrin.h: Ditto.
        * gcc/config/i386/sync.md: Ditto.
        * gcc/config/i386/ppro.md: Ditto.
        * gcc/config/i386/mmx.md: Ditto.
        * gcc/config/i386/constraints.md: Ditto.
        * gcc/config/i386/sse.md: Ditto.
        * gcc/config/i386/athlon.md: Ditto.
        * gcc/config/i386/i386.md: Ditto.

2007-09-21  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/33508
        * tree-ssa-alias.c (mark_aliases_call_clobbered): Avoid
        quadratic loop by keeping a bitmap of variables we have
        to clobber all subvariables for.
        (set_initial_properties): Likewise.

2007-09-21  Richard Sandiford  <rsandifo@nildram.co.uk>

        * config/mips/t-sde (TARGET_LIBGCC2_CFLAGS): Delete.

2007-09-20  Nigel Stephens  <nigel@mips.com>
            Chao-ying Fu  <fu@mips.com>

        * c-decl.c (finish_declspecs): When _Sat is used without
        _Fract or _Accum, set the default type to cts_fract.
        This avoids a warning of "type defaults to int".

2007-09-20  Joseph Myers  <joseph@codesourcery.com>

        * c-decl.c (check_bitfield_type_and_width): Don't allow _Bool
        bit-fields wider than one bit.

2007-09-20  Jakub Jelinek  <jakub@redhat.com>

        PR debug/33316
        * dwarf2out.c (modified_type_die): Handle TYPE_DECL with NULL
        DECL_NAME.
        * dbxout.c (dbxout_type): Likewise.

        PR c/33238
        PR c/27301
        * gimplify.c (gimplify_vla_decl): New function.
        (gimplify_decl_expr): Move VLA decl handling to gimplify_vla_decl.
        Call it.
        (gimplify_target_expr): Handle variable length TARGET_EXPRs.

2007-09-20  Richard Sandiford  <rsandifo@nildram.co.uk>

        * doc/invoke.texi (-minterlink-mips16): Document.
        * config/mips/mips.opt (minterlink-mips16): New option.
        * config/mips/mips.c (mips_function_ok_for_sibcall): Handle
        -minterlink-mips16

2007-09-20  Joseph Myers  <joseph@codesourcery.com>

        * doc/extend.texi (Attribute Syntax): Remove old speculative
        future direction.

2007-09-20  Mark Shinwell  <shinwell@codesourcery.com>

        * combine.c: Include cgraph.h.
        (setup_incoming_promotions): Rework to allow more aggressive
        elimination of sign extensions when all call sites of the
        current function are known to lie within the current unit.

2007-09-20  Richard Sandiford  <rsandifo@nildram.co.uk>

        * dse.c (find_shift_sequence): No-op rework of control flow.

2007-09-19  Richard Sandiford  <rsandifo@nildram.co.uk>

        * config/mips/mips.c (build_mips16_call_stub): Tidy.  Fix second
        GPR for DCmode on 64-bit targets.  Remove redundant fallback.

2007-09-19  Andrew Pinski  <andrew_pinski@playstation.sony.com>

        * cfgexpand.c (dump_stack_var_partition): Use the correct
        index for the offset.

2007-09-19  Joseph Myers  <joseph@codesourcery.com>

        * config/mips/sde.h: Switch to GPLv3.

2007-09-19  Eric Botcazou  <ebotcazou@adacore.com>

        * tree-sra.c (decide_block_copy): Decide if there are groups.

2007-09-19  Roman Zippel <zippel@linux-m68k.org>

        * config/m68k/m68k.c (output_move_himode): Remove jump table
        recognition.
        config/m68k/m68k.md (lea): Likewise.
        * config/m68k/m68k.c (print_operand_address): Use simple pc
        relative addressing.

2007-09-19  Bernd Schmidt  <bernd.schmidt@analog.com>

        * doc/tm.texi (IS_ASM_LOGICAL_LINE_SEPARATOR): Document new argument.
        * final.c (IS_ASM_LOGICAL_LINE_SEPARATOR): Provide two-argument
        default definition.
        (asm_insn_count): Pass template as second argument to it.
        * config/avr/avr.h (IS_ASM_LOGICAL_LINE_SEPARATOR): Likewise.
        * config/pa/pa.h (IS_ASM_LOGICAL_LINE_SEPARATOR): Likewise.
        * config/stormy16/stormy16.h (IS_ASM_LOGICAL_LINE_SEPARATOR): Likewise.
        * config/cris/cris.h (IS_ASM_LOGICAL_LINE_SEPARATOR): Likewise.
        * config/sh/sh.c (IS_ASM_LOGICAL_LINE_SEPARATOR): Likewise.
        (sh_insn_length_adjustment): Pass template as second argument to it.
        * config/bfin/bfin.h (IS_ASM_LOGICAL_LINE_SEPARATOR): New macro.

        * config/bfin/bfin.md (define_asm_attributes): New.

2007-09-19  Jie Zhang  <jie.zhang@analog.com>

        * config.gcc (bfin*-linux-uclibc*): Add ./linux-sysroot-suffix.h
        to tm_file.
        * config/bfin/print-sysroot-suffix.sh: New.
        * config/bfin/t-bfin-elf (EXTRA_PARTS): Remove.
        (MULTILIB_OPTIONS, MULTILIB_DIRNAMES, MULTILIB_MATCHES,
        MULTILIB_EXCEPTIONS): Redefine with new multilibs.
        * config/bfin/t-bfin-uclinux (EXTRA_PARTS): Remove.
        (MULTILIB_OPTIONS, MULTILIB_DIRNAMES, MULTILIB_MATCHES,
        MULTILIB_EXCEPTIONS): Redefine with new multilibs.
        * config/bfin/t-bfin-linux (EXTRA_PARTS): Remove.
        (MULTILIB_OPTIONS, MULTILIB_DIRNAMES, MULTILIB_MATCHES,
        MULTILIB_EXCEPTIONS): Redefine with new multilibs.
        (linux-sysroot-suffix.h): New target.
        * config/bfin/bfin.opt (mcsync-anomaly): Use Var instead of Mask.
        (mspecld-anomaly): Likewise.
        * config/bfin/bfin-protos.h (enum bfin_cpu_type): Renamed from
        (enum bfin_cpu): ... this. Add BFIN_CPU_BF522, BFIN_CPU_BF525,
        BFIN_CPU_BF527, BFIN_CPU_BF538, BFIN_CPU_BF539, BFIN_CPU_BF542,
        BFIN_CPU_BF544, BFIN_CPU_BF548, and BFIN_CPU_BF549.
        (bfin_si_revision): Declare.
        (bfin_workarounds): Declare.
        (WA_SPECULATIVE_LOADS): Define.
        (ENABLE_WA_SPECULATIVE_LOADS): Define.
        (WA_SPECULATIVE_SYNCS): Define.
        (ENABLE_WA_SPECULATIVE_SYNCS): Define.
        * config/bfin/elf.h (STARTFILE_SPEC): Rename crt532.o to basiccrt.o.
        (LIB_SPEC): Add %s to the linker scripts.
        Use proper linker script for bf522, bf525, bf527,
        bf538, bf539, bf542, bf544, bf548, and bf549.
        * config/bfin/bfin.c (bfin_si_revision): Define.
        (bfin_workarounds): Define.
        (struct bfin_cpu): New.
        (bfin_cpus): New.
        (bfin_handle_option): Handle silicon revision part of -mcpu option.
        (override_options): Set bfin_workarounds.