* var-tracking.c (vt_initialize): Initialize post.

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

2005-10-21  Janis Johnson  <janis187@us.ibm.com>

        * var-tracking.c (vt_initialize): Initialize post.

2005-10-21  Devang Patel  <dpatel@apple.com>

        PR/24220
        * c-common.c (vector_types_convertible_p): Check vector element type.
        
2005-10-21  Kaz Kojima  <kkojima@gcc.gnu.org>

        * config/sh/sh.c (prepare_move_operands): Handle the address
        constant which is a tls symbolic address plus a constant.

2005-10-21  Andrew Pinski  <pinskia@physics.uc.edu>

        PR driver/24473
        * gcc.c (main): Use the correct counter for erroring out
        about mulitple files.

2005-10-21  Alan Modra  <amodra@bigpond.net.au>

        PR target/24465
        * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Always
        use r2 for 64-bit tls .got access.

2005-10-21  Paolo Bonzini  <bonzini@gnu.org>

        * dojump.c (do_jump): Handle side-effecting TRUTH_AND_EXPR and
        TRUTH_OR_EXPR.

2005-10-20  Steven Bosscher  <stevenb@suse.de>

        PR tree-optimization/24225
        * tree-cfg.c (tree_find_edge_insert_loc): Handle naked RETURN_EXPR.

2005-10-20  Alexandre Oliva  <aoliva@redhat.com>

        PR middle-end/24295
        * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Mark
        alias targets.
        * varasm.c (find_decl_and_mark_needed): After cgraph global info
        is ready, stop marking functions, but still mark variables.

2005-10-20  Richard Guenther  <rguenther@suse.de>

        PR c++/24439
        * fold-const.c (invert_truthvalue): Handle COND_EXPR with
        void type operands.

2005-10-20  Eric Botcazou  <ebotcazou@libertysurf.fr>

        PR rtl-optimization/23585
        * rtlanal.c (rtx_addr_can_trap_p_1): New predicate extracted from...
        (rtx_addr_can_trap_p): ... here.  Invoke rtx_addr_can_trap_p_1.
        (may_trap_p_1): New predicate extracted from...
        (may_trap_p): ... here.  Invoke may_trap_p_1.
        (may_trap_or_fault_p): New predicate.
        * rtl.h (may_trap_or_fault_p): Declare it.
        * reorg.c (steal_delay_list_from_target): Use may_trap_or_fault_p
        instead of may_trap_p.
        (steal_delay_list_from_fallthrough): Likewise.
        (fill_simple_delay_slots): Likewise.
        (fill_slots_from_thread): Likewise.
        * function.c (pad_to_arg_alignment): Rework comment about
        SPARC_STACK_BOUNDARY_HACK.
        * config/sparc/sparc.h: Likewise.

2005-10-19  Adrian Straetling  <straetling@de.ibm.com>

        * config/s390/s390.c (s390_expand_insv): New.
        * config/s390/s390-protos.h (s390_expand_insv): Declare.
        * config/s390/s390.md ("UNSPEC_SETHIGH"): Rename to "UNSPEC_ICM".
        ("icm_hi"): Remove mode attribute.
        ("*sethigh<mode><mode>"): Rewrite to "sethighpart<mode>".
        Adjust all uses.
        ("*extracthi", "*extractqi"): Remove.
        (extv<mode>", "*extzv<mode>"): New.
        ("insv", "*insv<mode>_mem_reg", "*insvdi_mem_reghigh",
        "*insv<mode>_reg_imm", "*insv<mode>_reg_extimm"): New.

2005-10-19  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>

        * cfgexpand.c (discover_nonconstant_array_refs_r,
        discover_nonconstant_array_refs): Move here from tree-outof-ssa.c
        (tree_expand_cfg): Call discover_nonconstant_array_refs.
        * tree-outof-ssa.c (rewrite_out_of_ssa): Remove call to
        discover_nonconstant_array_refs.

2005-10-19  Steven Bosscher  <stevenb@suse.de>

        PR c/23228
        * c-decl.c (pop_scope): Don't warn about an unused variable
        if it is marked with TREE_NO_WARNING.
        (duplicate_decls): Set TREE_NO_WARNING if olddecl and newdecl
        somenow mismatch and olddecl is to be replaced.

2005-10-19  Eric Botcazou  <ebotcazou@libertysurf.fr>

        PR middle-end/23199
        * cfgrtl.c (safe_insert_insn_on_edge): Use can_copy_p to detect
        whether registers live on the edge can be saved/restored.

2005-10-19  Kaz Kojima  <kkojima@gcc.gnu.org>

        * config/sh/sh.c (fixup_mova): Skip notes.

2005-10-19  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>

        * config/s390/s390-protos.h (s390_hard_regno_rename_ok): Add prototype.
        * config/s390/s390.c (s390_hard_regno_rename_ok): New function.
        (s390_can_eliminate): Handle BASE_REGNUM elimination.
        (s390_initial_elimination_offset): Likewise.
        (s390_conditional_register_usage): BASE_REGNUM is no longer a fixed
        register on TARGET_ZARCH targets.
        * config/s390/s390.h (HARD_REGNO_RENAME_OK): Define
        (INITIAL_FRAME_POINTER_OFFSET): Remove.
        (REG_ALLOC_ORDER): Move BASE_REGNUM lower.
        (ELIMINABLE_REGS): Add BASE_REGNUM elimination rule.

2005-10-19  Andreas Krebbel  <krebbel1@de.ibm.com>

        * config/s390/s390.md: Comment describing output modifiers updated.
        * config/s390/s390.c (print_operand): Likewise.

2005-10-19  Andreas Krebbel  <krebbel1@de.ibm.com>

        * config/s390/s390.c (override_options): Added check for -mstack-size
        64k limitation.
        * doc/invoke.texi: Mention that limit in the documenation.

2005-10-18  Paolo Bonzini  <bonzini@gnu.org>

        PR #19672
        * dojump.c (do_jump): Handle TRUTH_AND_EXPR and TRUTH_OR_EXPR here.

2005-10-18  Daniel Berlin <dberlin@dberlin.org>

        Fix PR tree-optimization/24231

        * tree-ssa-pre.c (try_look_through_load): Skip abnormal phi names
        (compute_avail): Ditto.

2005-10-18  Richard Henderson  <rth@redhat.com>

        PR target/24428
        * config/i386/i386.c (legitimate_constant_p): Check
        SYMBOL_REF_TLS_MODEL directly.  Don't fallthru to SYMBOL_REF
        if LABEL_REF.
        (legitimate_pic_operand_p): Test SYMBOL_REF_TLS_MODEL directly.
        (legitimate_pic_address_disp_p): Reorg CONST checking to make
        sure SYMBOL_REF_TLS_MODEL is tested.  Test SYMBOL_REF_TLS_MODEL
        directly.
        (print_operand_address): Likewise.
        * config/i386/predicates.md (x86_64_immediate_operand): Test
        SYMBOL_REF_TLS_MODEL properly inside CONST.
        (x86_64_zext_immediate_operand): Likewise.
        (global_dynamic_symbolic_operand, local_dynamic_symbolic_operand,
        initial_exec_symbolic_operand, local_exec_symbolic_operand): Remove.
        * config/i386/i386-protos.h: Remove predicates.md entries.

2005-10-18  Danny Smith  <dannysmith@users.sourceforge.net>

        * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
        Check that elements of TYPE_METHODS are FUNCTION_DECLs.

2005-10-17  Alexey Starovoytov  <alexey.starovoytov@sun.com>
            Ian Lance Taylor <ian@airs.com>

        PR middle-end/23522
        * fold-const.c (fold_widened_comparison): Do not allow range based
        constant folding when right operand cannot be unwidened.

2005-10-17  Richard Henderson  <rth@redhat.com>

        * builtins.c (expand_builtin_synchronize): Build a new-style asm
        with a memory clobber.

2005-10-17  James E Wilson  <wilson@specifix.com>

        PR rtl-optimization/17356
        * cfgrtl.c (purge_dead_edges): Check for EDGE_ABNORMAL_CALL before
        checking for EDGE_EH.

2005-10-17  Eric Botcazou  <ebotcazou@libertysurf.fr>

        * config/sparc/sparc.c (function_arg_slotno): In 64-bit mode, align
        the slot on an even boundary for any type with 16-byte alignment.

2005-10-17  Hans-Peter Nilsson  <hp@axis.com>

        PR target/23424
        * md.texi (Modifiers) <%>: Clarify that % doesn't work
        after register allocation.

2005-10-17  DJ Delorie  <dj@redhat.com>

        * config/m32c/m32c.c (m32c_pushm_popm): Don't mark epilogue insns
        as frame related.

2005-10-17  Nathan Sidwell  <nathan@codesourcery.com>

        PR c++/22551
        * c-common.c (c_add_case_label): Revert my 2005-10-14 clearing of
        overflow flags.

2005-10-17  Kaz Kojima  <kkojima@gcc.gnu.org>

        * config/sh/sh.h (OPTIMIZATION_OPTIONS): Set flag_schedule_insns
        to 2 if it's already non-zero.
        (OVERRIDE_OPTIONS): Clear flag_schedule_insns if flag_exceptions
        is set and warn about it if flag_schedule_insns is 1.

2005-10-17  Paul Woegerer  <paul.woegerer@nsc.com>

        * config/crx/crx.md: Compare-and-branch instructions need to
        invalidate CC.

2005-10-17  Uros Bizjak  <uros@kss-loka.si>

        PR target/24315
        * config/i386/i386.md (*pushdi2_rex64 splitter)
        (*movdi_1_rex64 splitter, *ashldi3_1 splitter)
        (*ashrdi3_1 splitter, *lshrdi3_1 splitter): Delay splitting after
        flow2 pass only when (optimize > 0 && flag_peephole2).

2005-10-16  Andrew Pinski  <pinskia@physics.uc.edu>

        PR driver/22544
        * gcc.c (have_c): New static variable.
        (have_o): Likewise.
        (process_command): Remove declation of have_c.
        Set have_o to 1 when handling -o.
        (main): Add a fatel error if there are multiple
        files specified and -o and -c/-S is passed witout
        -combine or multiple languages.

2005-10-16  Daniel Berlin  <dberlin@dberlin.org>

        Fix PR tree-optimization/22444
        * tree-ssa-alias.c (compute_flow_insensitive_aliasing):
        Assert that we don't hit something with subvars.
        (setup_pointers_and_addressables): Don't add things with subvars,
        because we'll already process the subvars for aliasing purposes.

2005-10-16  Hans-Peter Nilsson  <hp@axis.com>

        PR target/23424
        * config/cris/cris.md ("*mov_side<mode>", "*mov_sidesisf")
        ("*mov_side<mode>_mem", "*mov_sidesisf_mem", "*clear_side<mode>")
        ("*ext_sideqihi", "*ext_side<mode>si", "*op_side<mode>")
        ("*op_swap_side<mode>", "*extopqihi_side", "*extop<mode>si_side")
        ("*extopqihi_swap_side", "*extop<mode>si_swap_side"): Have separate,
        swapped, alternatives for the R constraint.

        PR middle-end/24341
        * builtins.c (get_builtin_sync_mode): Make unlimited
        mode_for_size request.

2005-10-15  Richard Henderson  <rth@redhat.com>

        * gimplify.c (gimplify_var_or_parm_decl): Split out from ...
        (gimplify_expr): ... here.
        (gimplify_compound_lval): Use it in initial scan loop.  Allow
        fb_lvalue in base expression.

2005-10-15  Richard Henderson  <rth@redhat.com>

        PR 23714
        * builtins.c (expand_builtin_trap): Export.
        * expr.h (expand_builtin_trap): Declare.
        * expr.c (expand_assignment): Emit a trap for integral offsets 
        from registers that weren't reduced to bitpos.

        * tree-cfg.c (mark_array_ref_addressable_1): Remove.
        (mark_array_ref_addressable): Remove.
        * tree-flow.h (mark_array_ref_addressable): Remove.
        * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Don't call it.

2005-10-15  James E Wilson  <wilson@specifix.com>

        PR target/24232
        * sched-deps.c (add_dependence_list): New arg UNCOND.  Fix all callers.
        (add_dependence_list_and_free): Likewise.
        (sched_analyze_2, case MEM): Delete sched_insns_conditions_mutex_p
        call.

2005-10-15  Diego Novillo  <dnovillo@redhat.com>

        PR 23141
        PR 23142
        * tree-vrp.c (vrp_meet): Fix the intersection of equivalence
        sets VR0->EQUIV and VR1->EQUIV when meeting a range and an
        anti-range.
        (vrp_visit_phi_node): Only prevent infinite iterations when
        the previous result and the new result are both VR_RANGEs.

2005-10-15  Ranjit Mathew  <rmathew@gcc.gnu.org>

        * tree-into-ssa.c (mark_def_sites): Correct minor typo in
        function comment.

2005-10-14  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>

        PR c/23439
        * c-parser.c (c_parser_for_statement): Use location of RID_FOR
        to initialize loc.

2005-10-14  Per Bothner  <per@bothner.com>

        PR preprocessor/21250
        * c-ppoutput.c (print_line): Print internal line 0 as 1.

2005-10-14  Nathan Sidwell  <nathan@codesourcery.com>

        PR c++/22551
        * c-common.c (c_add_case_label): Clear LOW_VALUE and HIGH_VALUE's
        overflow flags.  Refactor some conditionals.

2005-10-13  Andrew Pinski  <pinskia@physics.uc.edu>

        PR tree-opt/21304
        * tree-dfa.c (add_referenced_var): Only look at decls which
        have TREE_CONSTANT or TREE_READONLY set instead of if
        !TREE_PUBLIC or !TREE_CONSTANT.

2005-10-13  James E Wilson  <wilson@specifix.com>

        * doc/invoke.texi: For -x, add f95-cpp-input.
        * doc/install.texi: For --enable-languages doc, change f95 to fortran.

2005-10-12  Sebastian Pop  <pop@cri.ensmp.fr>

        PR tree-optimization/24262
        * tree-data-ref.c (analyze_offset_expr): Check that init is invariant
        in loop all the time.

2005-10-12  Richard Henderson  <rth@redhat.com>

        PR c/24255
        * tree.h (DECL_TRANSPARENT_UNION): Remove.
        * function.c (assign_parm_find_data_types): Don't support it.
        * print-tree.c (print_node): Likewise.
        * c-common.c (handle_transparent_union_attribute): Likewise.
        Use build_duplicate_type.
        * tree-inline.c (remap_type_1): Split out of remap_type;
        properly remap aggregate fields.
        (build_duplicate_type): New.
        * doc/extend.texi (Variable Attributes): Remove documentation
        for transparent_union.

2005-10-12  Eric Botcazou  <ebotcazou@libertysurf.fr>

        PR target/24284
        * config/sparc/sparc.c (gen_stack_pointer_inc): Build by hand.
        (gen_stack_pointer_dec): Likewise.

2005-10-12  Danny Smith  <dannysmith@users.sourceforge.net>

        PR middle-end/21275
        PR middle-end/21766
        * target.h (struct gcc_target): Add valid_dllimport_attribute_p
        target hook.
        (struct cxx): Add adjust_class_at_definition target hook.
        * target-def.h: (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): New define,
        defaulting to hook_bool_tree_true. Add to TARGET_INITIALIZER
        (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): New define, defaulting to 
        hook_void_tree. Add to TARGET_CXX.
        * tree.h (struct decl_with_vis): Rename non_addr_const_p field to
        dllimport_flag.
        (DECL_NON_ADDR_CONSTANT_P): Replace with DECL_DLLIMPORT_P macro.
        * tree.c (merge_dllimport_decl_attributes): Check DECL_DLLIMPORT_P
        instead of attribute. Check for dllexport override.  Warn if
        inconsistent dll linkage. Don't lose old dllimport if decl has
        had address referenced.   Tweak lookup of dllimport atribute.  
        (handle_dll_attribute): Check targetm.valid_dllimport_attribute_p
        for target specific rules.  Don't add dllimport attribute if
        DECL_DECLARED_INLINE_P.  Set DECL_DLLIMPORT_P when adding
        dllimport attribute. 
        (staticp): Replace DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P.
        * varasm.c (initializer_constant_valid_p): Replace
        DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P

        PR target/21801
        PR target/23589
        * config.gcc (i[34567]86-*-cygwin*): Add winnt-cxx.o to 
        'cxx_target_objs', winnt-stubs,o to 'extra_objs'.
        (i[34567]86-*-mingw32*): Likewise.

        * doc/tm.texi (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Document.
        (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Document.
                        
        * config/i386/winnt.c (i386_pe_dllimport_p): Factor out
        C++-specific code. Change return value to bool. 
        (i386_pe_dllimport_p): Likewise.
        (associated_type): Simplify and make language-independent
        (i386_pe_encode_section_info): Replace override of ambiguous
        dllimport symbol refs with a gcc_assert.
        (i386_pe_valid_dllimport_attribute_p): Define.
        * config/i386/winnt-cxx.c: New file. Define C++ versions of
        i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
        i386_pe_adjust_class_at_definition.
        * config/i386/winnt-stubs.c: New file. Define stub versions of
        lang-specific functions.
        * config/i386/i386-protos.h: Declare winnt-[cxx|stubs].c functions
        i386_pe_type_dllimport_p, i386_pe_type_dllexport_p, 
        i386_pe_adjust_class_at_definition.
        (i386_pe_valid_dllimport_attribute_p): Declare. 
        * config/i386/cygming.h (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Define.
        (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Define.
        * config/i386/t-cygming: Add rules for winnt-cxx.o, winnt-stubs.o.

        PR target/19704
        * config/i386/i386.c (ix86_function_ok_for_sibcall): Replace test for
        dllimport attribute with test of DECL_DLLIMPORT_P.

2005-10-12  Adrian Straetling <straetling@de.ibm.com>

        * combine.c (make_extraction): Correct offset computation.

2005-10-12  Hans-Peter Nilsson  <hp@axis.com>

        * config/cris/t-linux (LIMITS_H_TEST): Define.

2005-10-12  Richard Henderson  <rth@redhat.com>

        PR rtl-opt/23324
        * cfgexpand.c (add_alias_set_conflicts): Use objects_must_conflict_p.

2005-10-12  Richard Guenther  <rguenther@suse.de>

        * Makefile.in (CGRAPH_H): Depend on $(TREE_H).

2005-10-12  Nathan Sidwell  <nathan@codesourcery.com>

        PR c++/19964
        * stor-layout.c (place_field): Set DECL_FIELD_OFFSET and
        DECL_FIELD_BIT_OFFSET of FIELD_DECLs, even if they have an invalid
        type.

2005-10-12  Richard Guenther  <rguenther@suse.de>

        PR c++/23799
        * varasm.c (output_constant): Correct typo from previous
        patch by DJ.

2005-10-11  Ian Lance Taylor  <ian@airs.com>

        PR rtl-optimization/13931
        * combine.c: Revert patch of 2003-05-14, and:
        (try_combine): Only set elim_i1 and elim_i2 if the destination is
        completely killed in the appropriate insn.
        (distribute_notes): Don't skip multiple hard register test for
        elim_i1 and elim_i2.

2005-10-11  Richard Henderson  <rth@redhat.com>

        PR c/24255
        * c-typeck.c (convert_for_assignment): Use build_constructor_single
        to initialize a transparent union instead of a nop_expr.

2005-10-11  Richard Henderson  <rth@redhat.com>

        * Makefile.in (tree-ssa-dce.o): Depend on SCEV_H.
        * tree-ssa-dce.c: Include tree-scalar-evolution.h.
        (tree_ssa_dce_loop): Call scev_reset.

        PR tree-opt/24300
        * Makefile.in (tree-ssa-dce.o): Depend on CFGLOOP_H.
        * tree-ssa-dce.c: Include cfgloop.h.
        (tree_ssa_dce_loop, pass_dce_loop): New.
        * tree-pass.h (pass_dce_loop): Declare it.
        * passes.c (init_optimization_passes): Use it.

2005-10-11  Eric Botcazou  <ebotcazou@libertysurf.fr>

        PR middle-end/24263 
        * convert.c (convert_to_real): Revert 2005-10-05 patch.
        Only apply the optimization for rounding builtins if the inner
        cast is also an extension.

2005-10-11  Andrew Pinski  <pinskia@physics.uc.edu>

        PR tree-opt/23946
        * tree-ssa-ccp.c (execute_fold_all_builtins): Call
        mark_new_vars_to_rename instead of update_stmt.

2005-10-11  Bernd Schmidt  <bernd.schmidt@analog.com>

        * config/bfin/crti.s (__init, __fini): Renamed from _init, _fini.

2005-10-11  Jakub Jelinek  <jakub@redhat.com>

        * config/i386/i386.md (movsi_1, movdi_1_rex64): Use mmxadd type
        for setting MMX register to 0 rather than mmx.

2005-10-10  Steve Ellcey  <sje@cup.hp.com>

        PR target/12098
        * configure.ac: Move gas check from mips specific case to common case.
        Do check for GNU as for mips*-*-* and *-*-hpux* targets.
        * configure: Regenerate
        * doc/install.texi: Update.

2005-10-10  Eric Botcazou  <ebotcazou@libertysurf.fr>

        PR target/24284
        * config/sparc/sparc.c (sparc_expand_prologue): Remove bogus PATTERN.

2005-10-10  Maciej W. Rozycki  <macro@linux-mips.org>

        * gcc.c (do_spec_1): Accept numeric characters in file name
        suffixes.

2005-10-10  Nick Clifton  <nickc@redhat.com>

        * config/arm/arm.c: Remove extraneous whitespace.  Remove comment
        describing the deleted arm_gen_rotated_half_load function.

2005-10-09  Kaz Kojima  <kkojima@gcc.gnu.org>

        * config/sh/sh.c (emit_fpu_switch): Set TREE_PUBLIC for
        __fpscr_values.

2005-10-09  Daniel Jacobowitz  <dan@codesourcery.com>

        * config.gcc (arm*-*-linux*): Remove redundant extra_parts and
        gnu_ld assignments.
        * config/arm/t-linux-eabi (LIB1ASMFUNCS)
        (EXTRA_MULTILIB_PARTS): Define.
        * config/arm/linux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
        (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
        (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): Move to...
        * config/arm/uclinux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
        (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
        (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): ... here.

2005-10-09  Zdenek Dvorak  <dvorakz@suse.cz>

        PR tree-optimization/24226
        * tree-cfg.c (remove_bb): Clean up unreachable loops.
        * tree-flow.h (free_numbers_of_iterations_estimates_loop): Declare.
        * tree-ssa-loop-niter.c (free_numbers_of_iterations_estimates_loop):
        Export.

2005-10-09  Eric Botcazou  <ebotcazou@libertysurf.fr>

        * config/sparc/gmon-sol2.c (internal_mcount): Mark as used.

2005-10-08  Andrew Pinski  <pinskia@physics.uc.edu>

        PR target/24136
        * config/rs6000/darwin.md (movdf_low_si): Remove early clobber.
        Rewrite for no need for the early clobber.

2005-10-08  Kazu Hirata  <kazu@codesourcery.com>

        Merge from csl-arm-branch:
        2005-09-07  Paul Brook  <paul@codesourcery.com>
        * config/arm/linux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Prepend a
        space to string.

        2005-04-30  Paul Brook  <paul@codesourcery.com>
        * config/arm/bpabi.h (TARGET_DEFAULT): Define.
        * config/arm/linux-eabi.h (SUBTARGET_CPU_DEFAULT): Define.

        2005-03-07  Daniel Jacobowitz  <dan@codesourcery.com>
        * config/arm/arm.c (arm_all_abis): Add aapcs-linux.
        (arm_override_options): Use TARGET_AAPCS_BASED.
        * config/arm/arm.h (enum arm_abi_type): Add ARM_ABI_AAPCS_LINUX.
        (PTRDIFF_TYPE): Use int for AAPCS.
        (DEFAULT_SHORT_ENUMS): Use false for aapcs-linux.
        * config/arm/linux-eabi.h (ARM_DEFAULT_ABI, WCHAR_TYPE): Define.
        (DEFAULT_SHORT_ENUMS): Delete.
        * doc/invoke.texi (ARM Options): Document -mabi=aapcs-linux.

        2004-12-15  Daniel Jacobowitz  <dan@codesourcery.com>
        * config/arm/arm.h (DEFAULT_SHORT_ENUMS): Wrap in #ifndef.
        * config/arm/linux-eabi.h (DEFAULT_SHORT_ENUMS): Define to 0.
        * config/arm/t-linux-eabi (TARGET_LIBGCC2_CFLAGS): Set to -fPIC.

        2004-12-03  Mark Mitchell  <mark@codesourcery.com>
        * config/arm/linux-eabi.h (LIBGCC_SPEC): Do not define.

        2004-11-22  Mark Mitchell  <mark@codesourcery.com>
        * config.gcc (arm*-*-linux-gnueabi): Use __cxa_atexit.
 
        2004-11-19  Mark Mitchell  <mark@codesourcery.com>
        * config.gcc (arm*-*-linux-gnueabi): Add it.
        * config/arm/bpabi.h (FPUTYPE_DEFAULT): Undefine it before
        redefining it.
        (TARGET_OS_CPP_BUILTINS): Likeiwse.
        * config/arm/linux-eabi.h: New file.
        * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): New macro.
        (LINUX_TARET_LINK_SPEC): Likewise.
        (LINK_SPEC): Use it.
        * config/arm/t-linux-eabi: New file.

2005-10-08  Steven Bosscher  <stevenb@suse.de>

        PR other/22202
        * params.def (PARAM_MAX_VARIABLE_EXPANSIONS): Remove superfluous
        spaces.
        (PARAM_SMS_DFA_HISTORY): Likewise.

2005-10-08  Kazu Hirata  <kazu@codesourcery.com>

        PR middle-end/23150
        * calls.c (mem_overlaps_already_clobbered_arg_p): New.
        (load_register_parameters): Call it.
        (check_sibcall_argument_overlap_1): Likewise.
        (store_one_arg): Likewise.

2005-10-07  James E. Wilson  <wilson@specifix.com>

        * config/ia64/vect.md (ashl<mode>3, ashr<mode>3, lshr<mode>3): Use
        DImode not VECINT24 for operand 2.

        PR target/23644
        * doc/invoke.texi (IA-64 Options, item -mtune): Renamed from
        -mtune-arch.

        PR target/24193
        * config/ia64/ia64.md (movbi, movti_internal, gr_spill_internal,
        fr_spill): Use destination_operand for operand 0.

2005-10-07  DJ Delorie  <dj@redhat.com>

        * varasm.c (output_constant): Limit error to expanding
        conversions.

2005-10-07  Richard Guenther  <rguenther@suse.de>

        PR middle-end/24227
        * fold-const.c (fold_binary): Fix operand types during folding
        of X op (A, Y).  Evaluation order of the side-effects of
        X and A are frontend-defined, so ensure we honour that even for
        tcc_comparison class operands; eased by removing duplicate code.

2005-10-07  Steve Ellcey  <sje@cup.hp.com>

        * stor-layout.c (layout_type): Do not allow alignment of array
        elements to be greater than their size.

2005-10-07  Steve Ellcey  <sje@cup.hp.com>

        * config.host (hppa*-*-hpux*): Change out_host_hook_obj and
        host_xmake_file.
        (hppa*-*-linux*): Ditto.
        (ia64-*-hpux*): Add out_host_hook_obj and host_xmake_file.
        * config/host-hpux.c: New.
        * config/x-hpux: New.
        * config/pa/x-hpux: Remove.
        * config/pa/x-linux: Remove.
        * config/pa/pa-host.c: Remove.

2005-10-07  Jeff Law  <law@redhat.com>

        * tree-ssa-dom.c (dom_opt_finalize_block): Fix conditions to
        determine whether or not to try and thread outgoing edges.

2005-10-07  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/rs6000.md (eqsi_power): New.
        (neg_eq0si): Add TARGET_POWER to final condition.
        (neg_eqsi): Same.

2005-10-06  Richard Henderson  <rth@redhat.com>

        * config/rs6000/rs6000.c: Revert last change.

2005-10-06  Richard Henderson  <rth@redhat.com>

        * config/rs6000/rs6000.c (rs6000_cannot_force_const_mem): New.
        (TARGET_CANNOT_FORCE_CONST_MEM): Use it.

2005-10-06  Andrew Pinski  <pinskia@physics.uc.edu>

        PR middle-end/22216
        PR middle-end/23651
        * cfgexpand.c (tree_expand_cfg): After expanding the functions, clear
        out return_label and naked_return_label.

2005-10-06  Daniel Berlin  <dberlin@dberlin.org>
        
        * tree-ssa-structalias.c (check_for_overlaps): Fix bug in last
        change.

2005-10-06  Richard Henderson  <rth@redhat.com>

        PR tree-opt/22237
        * tree-inline.c (declare_return_variable): Handle modify_dest not
        being a DECL.

2005-10-06  Daniel Berlin  <dberlin@dberlin.org>
        
        Fix PR tree-optimization/22488
        * tree-ssa-structalias.c (check_for_overlaps): New function.
        (create_variable_info_for): Use it.

2005-10-06  Richard Henderson  <rth@redhat.com>

        PR debug/24070
        * dwarf2out.c (lookup_filename): Return the result of maybe_emit_file.
        (dwarf2out_start_source_file): Print it.

2005-10-06  Geoffrey Keating  <geoffk@apple.com>

        * config/t-slibgcc-darwin (SHLIB_MAPFILES): Use '+='.

2005-10-06  Richard Henderson  <rth@redhat.com>

        PR 23706
        * mode-switching.c (optimize_mode_switching): Clear transp bit
        for block with incomming abnormal edges.

        * config/sh/sh.c (fpscr_values, emit_fpu_switch): New.
        (fpscr_set_from_mem): Use them.
        * config/sh/sh.md (fpu_switch0, fpu_switch1): Remove.
        (fpscr postinc splitters): Rewrite as peephole2+split.

2005-10-06  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/rs6000.md (eq<mode>): Add !TARGET_POWER.
        (eq<mode>_compare): Same.

2005-10-06  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/24238
        * tree-ssa-alias.c (find_used_portions): Handle RESULT_DECL.

2005-10-06  Daniel Jacobowitz  <dan@codesourcery.com>

        * acinclude.m4 (gcc_AC_CHECK_TOOL): Handle environment variables
        here.  Use AC_PATH_PROG for environment variables instead of
        test -x.
        * configure.ac: Update calls to gcc_AC_CHECK_TOOL.  Use it for
        objdump also.
        * configure: Regenerated.

2005-10-06  Richard Earnshaw  <richard.earnshaw@arm.com>

        PR target/23783
        * arm.md (call): If the address isn't a SYMBOL_REF or a register,
        then force it into a register.
        (call_value): Likewise.

2005-10-06  Richard Henderson  <rth@redhat.com>

        PR 24049
        * passes.c (init_optimization_passes): Move pass_lower_vector_ssa
        under pass_vectorize.  Clear TODO_ggc_collect from the dce pass
        under pass_vectorize.

2005-10-05  Devang Patel  <dpatel@apple.com>

        PR Debug/23205
        * dbxout.c (dbxout_symbol): Check DECL_RTL_SET_P, after
        handling constants. Check NAMESPACE_DECL context for constants.
        
2005-10-05  Eric Christopher  <echristo@apple.com>

        * doc/md.texi (Standard Names): Fix name of pushm1 pattern.

2005-10-05  Richard Henderson  <rth@redhat.com>

        PR 23714
        * tree-cfg.c (mark_array_ref_addressable_1): New.
        (mark_array_ref_addressable): New.
        * tree-flow.h (mark_array_ref_addressable): Declare.
        * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Use it.

2005-10-05  Andrew Pinski  <pinskia@physics.uc.edu>

        PR middle-end/20606
        PR middle-end/24069
        * reload.c (subst_reloads): When adding a REG_LABEL to a
        jump instruction, also update JUMP_LABEL.

2005-10-05  David Edelsohn  <edelsohn@gnu.org>

        * params.def (PARAM_MAX_GROW_COPY_BB_INSNS): New.
        * bb-reorder.c (copy_bb_p): Use it.
        * doc/invoke.texi (param table): Add max-grow-copy-bb-insn.

2005-10-05  Richard Henderson  <rth@redhat.com>

        PR target/23602
        * toplev.c (process_options): Warn about unsupported combinations
        of unwind tables and omit-frame-pointer.
        * config/i386/i386.c (override_options): Similarly.  Enable
        accumulate-outgoing-args if not explicitly disabled.

2005-10-05  Steve Ellcey  <sje@cup.hp.com>

        * vect.md (vec_initv2si): Fix typo of V2SF to V2SI.
        Handle big endian vs. small endian.
        (vec_initv2sf): Handle big endian vs. small endian.
        (*vec_extractv2sf_1): Ditto.

2005-10-05  Dale Johannesen  <dalej@apple.com>

        * convert.c (convert_to_real):  Don't convert
        (float)floor(double d) to floorf((float)d).

2005-10-05  Daniel Jacobowitz  <dan@codesourcery.com>

        * config/arm/arm.md (insv): Use gen_int_mode in more places.

2005-10-05  Andrew MacLeod  <amacleod@redhat.com>

        PR tree-optimization/18587
        * tree-ssa-operands.c (struct opbuild_list_d, OPBUILD_LAST): Delete.
        (build_defs, build_uses, build_v_may_defs, build_v_must_defs,
        build_vuses): Change to VEC type.
        (opbuild_initialize_virtual, opbuild_initialize_real, opbuild_free,
        opbuild_num_elems, opbuild_append_real, opbuild_append_virtual,
        opbuild_first, opbuild_next, opbuild_elem_real, opbuild_elem_virtual,
        opbuild_elem_uid, opbuild_clear, opbuild_remove_elem): Delete.
        (get_name_decl): New.  Return DECL_UID of base variable.
        (operand_build_cmp): New.  qsort comparison routine.
        (operand_build_sort_virtual): New.  Sort virtual build vector.
        (init_ssa_operands, fini_ssa_operands): Use VEC routines.
        (FINALIZE_OPBUILD_BASE, FINALIZE_OPBUILD_ELEM): Use VEC_Index.
        (FINALIZE_BASE): Use get_name_decl.
        (finalize_ssa_defs, finalize_ssa_uses, cleanup_v_may_defs,
        finalize_ssa_v_may_defs, finalize_ssa_vuses, finalize_ssa_v_must_defs,
        (start_ssa_stmt_operands, append_def, append_use, append_vuse,
        append_v_may_def, append_v_must_def): Replace opbuild_* routines with
        direct VEC_* manipulations.
        (build_ssa_operands): Call operand_build_sort_virtual.
        (copy_virtual_operand, create_ssa_artficial_load_stmt,
        add_call_clobber_ops, add_call_read_ops): Replace opbuild_* routines
        with direct VEC_* manipulations.
        * tree-ssa-opfinalize.h (FINALIZE_FUNC): Replace opbuild_* routines
        with direct VEC manipulations.

2005-10-05  Paolo Bonzini  <bonzini@gnu.org>

        PR tree-optimization/21419
        PR tree-optimization/24146
        PR tree-optimization/24151

        * c-typeck.c (readonly_error): Handle USE being lv_asm.
        (build_asm_expr): Call it if outputs are read-only.
        * gimplify.c (gimplify_asm_expr): Remove former fix to PR 21419.

2005-10-05  Billy Biggs  <billy.biggs@gmail.com>
            Paolo Bonzini  <bonzini@gnu.org>

        PR target/23809

        * doc/extend.texi (x86 Built-ins): Document that -msse and friends
        enable the instructions and not just the built-ins.
        * doc/invoke.texi (x86 Options): Likewise.

2005-10-04  Geoffrey Keating  <geoffk@apple.com>

        * config/i386/t-darwin (SHLIB_VERPFX): Fix typo.

        * doc/invoke.texi (Option Summary): Correct spelling
        of -mmacosx-version-min.

2005-10-04  Devang Patel  <dpatel@apple.com>

        * c-common.c (vector_types_convertible_p): Check TYPE_PRECISION for
        real types.

2005-10-04  Steve Ellcey  <sje@cup.hp.com>

        * tree-vect-transform.c (vect_create_epilog_for_reduction):
        Use BYTES_BIG_ENDIAN instead of BITS_BIG_ENDIAN.

2005-10-04  Adrian Straetling  <straetling@de.ibm.com>

        * config/s390/s390.md ("TDSI","DP"): New mode macros.
        ("TE","tg"): New mode attributes.
        ("sync_compare_and_swap<mode>"): Replace with a define_expand.
        ("sync_compare_and_swap<mode>_cc"): Replace GPR with TDSI.
        ("*sync_compare_and_swap<mode>_cc"): Replace with one pattern for
        dword_mode and one for GPRmode.

2005-10-04  Ian Lance Taylor  <ian@airs.com>

        PR preprocessor/13726
        * c-ppoutput.c (cb_include): Add comments parameter, and print out
        any comments passed in.

2005-10-04  Andrew Pinski  <pinskia@physics.uc.edu>

        * tree.c (annotate_with_file_line): Fix typo.

2005-10-04  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>

        PR ada/19382
        * builtins.c (fold_builtin_memcmp): When constructing the pointer
        type used to access data in the inlined length == 1 case, use
        build_pointer_type_for_mode with CAN_ALIAS_ALL set to true.
        (fold_builtin_strcmp, fold_builtin_strncmp): Likewise.

2005-10-04  Uros Bizjak  <uros@kss-loka.si>

        * config/i386/i386.h (TARGET_FISTTP): Enable also for
        TARGET_SSE3 and only for TARGET_80387.
        * config/i386/i386.md (fix_trunc<mode>_fisttp_i387_1,
        (fix_trunc<mode>_i387_fisttp, fix_trunc<mode>_i387_fisttp_with_temp):
        Do not depend on TARGET_80387.

2005-10-04  Andrew Pinski  <pinskia@physics.uc.edu>

        * tree.c (last_annotated_node): Change type to location_t*.
        (annotate_with_file_line): Reflect the change of
        last_annotated_node type.

2005-10-04  Richard Guenther  <rguenther@suse.de>

        PR c/23576
        * c-decl.c (grokdeclarator): Don't write to fields
        of error_mark_node.

2005-10-04  Andrew Pinski  <pinskia@physics.uc.edu>

        PR middle-end/23125
        * c-decl.c (finish_decl): Use set_user_assembler_name even for
        register variables.
        * varasm.c (make_decl_rtl): If a register variable does not
        have a set user assmbler name, error out.
        Decode the asmspec is now name+1 bypassing '*'.

2005-10-04  Steven Bosscher  <stevenb@suse.de>

        PR tree-optimization/23049
        * tree-ssa-dom.c (thread_across_edge): Make sure that the condition
        of a COND_EXPR is folded before calling fold on the whole rhs of a
        conditional assignment.
        * doc/tree-ssa.texi: Update the GIMPLE grammar for a valid rhs to
        document that a COND_EXPR may appear there.

2005-10-03  Diego Novillo  <dnovillo@redhat.com>

        PR 23445
        * tree-vrp.c (extract_range_from_assert): If the new numeric
        range created out of the assertion contradicts the existing
        numeric range of the ASSERT_EXPR variable, make the new range
        varying.

2005-10-03  Kaz Kojima  <kkojima@gcc.gnu.org>

        * config/sh/sh.c (sh_register_move_cost): Add case for moving
        from T_REGS to FP register class.

2005-10-03  Richard Henderson  <rth@redhat.com>

        PR 24135
        * tree-nested.c (convert_nl_goto_reference): Lookup a translation
        before creating a new one.

2005-10-03  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/t-aix43 (LDFLAGS): New.
        * config/rs6000/t-aix52 (LDFLAGS): New.

2005-10-03  Ian Lance Taylor  <ian@airs.com>

        * gimplify.c (find_single_pointer_decl_1): New static function.
        (find_single_pointer_decl): New static function.
        (internal_get_tmp_var): For a formal variable, set restrict base
        information if appropriate.
        * alias.c (find_base_decl): If a VAR_DECL has a restrict base,
        return it.
        * tree.h (DECL_BASED_ON_RESTRICT_P): Define.
        (DECL_GET_RESTRICT_BASE): Define.
        (SET_DECL_RESTRICT_BASE): Define.
        (decl_restrict_base_lookup): Declare.
        (decl_restrict_base_insert): Declare.
        (struct tree_decl_with_vis): Add based_on_restrict_p field.
        * tree.c (restrict_base_for_decl): New static variable.
        (init_ttree): Initialize restrict_base_for_decl.
        (copy_node_stat): Copy restrict base information.
        (decl_restrict_base_lookup): New function.
        (decl_restrict_base_insert): New function.
        (print_restrict_base_statistics): New static function.
        (dump_tree_statistics): Call print_restrict_base_statistics.

2005-10-02  Diego Novillo  <dnovillo@redhat.com>

        PR 24142
        * tree-vrp.c (vrp_meet): Fix call to range_includes_zero_p in
        case of anti-ranges.

2005-10-02  Andrew Pinski  <pinskia@physics.uc.edu>

        PR c/18851
        * c-typeck.c (tagged_tu_seen): Rename to ...
        (tagged_tu_seen_cache): this and add val field.
        (comptypes): Move functional to comptypes_internal
        and free tagged_tu_seen.
        (comptypes_internal): New function and call comptypes_internal
        instead of comptypes. Speed up by sibcalling
        tagged_types_tu_compatible_p.
        (alloc_tagged_tu_seen): New function
        (free_all_tagged_tu_seen_up_to): New function.
        (tagged_types_tu_compatible_p): Return the val of the seen two
        types.
        Add that the two types are the same to tagged_tu_seen_base
        if they are and call comptypes_internal instead of comptypes.
        <case UNION_TYPE>: Speed up common type where the fields are
        in the same order.
        (function_types_compatible_p): Call comptypes_internal instead of
        comptypes.
        (type_lists_compatible_p): Likewise.
        (all functions): s/tagged_tu_seen/tagged_tu_seen_cache/.

2005-10-02  Matthias Klose  <doko@debian.org>

        * doc/invoke.texi: Fix typo and speling error.

2005-10-01  Richard Henderson  <rth@redhat.com>

        * tree-stdarg.c (execute_optimize_stdarg): Process PHI nodes too.

2005-10-01  Mark Mitchell  <mark@codesourcery.com>

        * config/arm/unknown-elf.h (LINK_GCC_C_SEQUENCE_SPEC): Define
        using --start-group and --end-group.

2005-10-01  Diego Novillo  <dnovillo@redhat.com>

        * tree-vrp.c (value_inside_range, range_includes_zero_p): Add
        FIXME note regarding quirky semantics.

2005-10-01  Diego Novillo  <dnovillo@redhat.com>

        PR 24141
        * tree-vrp.c (vrp_meet): Clear VR0->EQUIV when building a
        non-null range as a last resort.

2005-10-01  James A. Morrison  <phython@gcc.gnu.org>
            Diego Novillo  <dnovillo@redhat.com>

        PR 23604
        * tree-vrp.c (extract_range_from_assert): For !=
        assertions, only build an anti-range if LIMIT is a
        single-valued range.

2005-09-30  Richard Earnshaw  <richard.earnshaw@arm.com>

        * arm.md (movqi): On thumb when optimizing, handle loading from
        memory by describing this as taking a subreg of a zero-extended load
        into an SImode register.
        (movhi): Likewise.

2005-09-30  Daniel Jacobowitz  <dan@codesourcery.com>

        * reload1.c (merge_assigned_reloads): Do not change any
        RELOAD_FOR_OUTPUT_ADDRESS reloads.

2005-09-30  Geoffrey Keating  <geoffk@apple.com>

        * Makefile.in (LIPO_FOR_TARGET): Define.
        (STRIP_FOR_TARGET): Define.

        * config/t-slibgcc-darwin (libgcc_s_%.dylib): Remove old symlinks
        before creating new ones.  Do symlinks before creating the actual
        targets.

        * config/t-slibgcc-darwin (libgcc_s_%.dylib): Use --print-multi-lib
        to work out which multilibs are actually being built.

2005-09-30  Kazu Hirata  <kazu@codesourcery.com>

        * tree-vect-transform.c, config/ms1/ms1.md,
        config/s390/s390.c, config/v850/v850.md: Fix comment typos.
        Follow spelling conventions.
        * doc/invoke.texi, doc/md.texi: Fix typos.

2005-09-30  Andrew Macleod  <amacleod@redat.com>

        PR tree-optimization/21430
        * tree-ssa-operands.c (set_virtual_use_link): New. Link new virtual
        use operands, and set stmt pointer if need be.
        (FINALIZE_CORRECT_USE: New. Macro to call appropriate use fixup routine.
        tree-ssa-opfinalize.h (FINALIZE_FUNC): Call FINALIZE_CORRECT_USE if
        present.

2005-09-29  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

        PR middle-end/24053
        * stor-layout.c (set_sizetype): Set TYPE_MAIN_VARIANT of bitsizetype.

2005-09-29  Mark Mitchell  <mark@codesourcery.com>

        * optabs.c (expand_binop): Initialize first_pass_p.

2005-09-29  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/24109
        * c-decl.c (c_write_global_declarations_1): If any
        wrapup_global_declaration_2 call returned true, restart the loop.

2005-09-29  Daniel Berlin  <dberlin@dberlin.org>

        Fix PR tree-optimization/24117
        * tree-ssa-structalias.c (find_func_aliases): Strip nops
        before considering whether to use anyoffset.

2005-09-29  Paolo Bonzini  <bonzini@gnu.org>

        Revert this patch:

        2005-09-15  Paolo Bonzini  <bonzini@gnu.org>

        * optabs.c (expand_binop): Use swap_commutative_operands_with_target
        to order operands.
        (swap_commutative_operands_with_target): New.

2005-09-29  Paolo Bonzini  <bonzini@gnu.org>

        PR c/21419
        * gimplify.c (gimplify_asm_expr): Raise an error if an output is
        read-only.

2005-09-29  Steven Bosscher  <stevenb@suse.de>

        PR tree-optimization/23911
        * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle REALPART_EXPR
        and IMAGPART_EXPR too.

2005-09-28  Mark Mitchell  <mark@codesourcery.com>

        PR 17886
        * expmed.c (expand_shift): Move logic to reverse rotation
        direction when  rotating by constants ...
        * optabs.c (expand_binop): ... here.
        * config/i386/i386.md (rotrdi3): Handle 32-bit mode.
        (ix86_rotrdi3): New pattern.
        (rotldi3): Handle 32-bit mode.
        (ix86_rotldi3): New pattern.

2005-09-29  Alan Modra  <amodra@bigpond.net.au>

        PR target/24102
        * config/rs6000/rs6000.md (floatdisf2_internal2): Correct range
        check for numbers that need no bit twiddle.

2005-09-28  Geoffrey Keating  <geoffk@apple.com>

        * config/rs6000/t-darwin8: Uncomment contents, allow -m64
        multilib to be built.

        * Makefile.in: Export LIPO_FOR_TARGET, STRIP_FOR_TARGET.
        (stage1-start): Delete old libgcc and libunwind before moving
        anything into the stage directory.
        (stage2-start): Likewise.
        (stage3-start): Likewise.
        (stage4-start): Likewise.
        (stageprofile-start): Likewise.
        (stagefeedback-start): Likewise.
        * config.gcc (*-*-darwin*): Automatically use CPU-specific darwin.h
        header in tm_file and CPU-specific t-darwin in tmake_file.
        (i[34567]86-*-darwin*): Don't change tm_file.
        (powerpc-*-darwin*): Don't change tm_file or tmake_file.
        * config/darwin.h (REAL_LIBGCC_SPEC): Rewrite to use proper libgcc
        shared library stub for target OS version.
        * config/t-slibgcc-darwin (SHLIB_SOLINK): Delete.
        (SHLIB_LINK): Don't make SHLIB_SOLINK.
        (SHLIB_INSTALL): Don't install SHLIB_SOLINK.
        (libgcc_s.%.dylib): New.
        (LIBGCC): Define.
        (install-darwin-libgcc-stubs): New.
        (INSTALL_LIBGCC): New append.
        * config/i386/darwin-libgcc.10.4.ver: New.
        * config/i386/darwin-libgcc.10.5.ver: New.
        * config/i386/t-darwin: New.
        * config/rs6000/darwin-libgcc.10.4.ver: New.
        * config/rs6000/darwin-libgcc.10.5.ver: New.
        * config/rs6000/darwin.h (REAL_LIBGCC_SPEC): Delete.
        * config/rs6000/t-darwin (SHLIB_VERPFX): Define.

2005-09-28  Paul Brook  <paul@codesourcery.com>

        * config/m68k/fpgnulib.c (__extendsfdf2, __truncdfsf2): Handle
        denormals.

2005-09-28  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/23853
        * tree-vect-analyze.c (vect_compute_data_ref_alignment): Use
        host_integerp to verify misalignment value.

2005-09-28  Richard Henderson  <rth@redhat.com>

        * builtins.c (get_builtin_sync_mode): New.
        (expand_builtin_sync_operation): Pass in mode argument.
        (expand_builtin_compare_and_swap): Likewise.
        (expand_builtin_lock_test_and_set): Likewise.
        (expand_builtin_lock_release): Likewise.
        (expand_builtin): Update to match.

2005-09-28  Nick Clifton  <nickc@redhat.com>

        * config/v850/v850.h (GO_IF_LEGITIMATE_ADDRESS): Tidy up
        formatting.  Add check to PLUS case to ensure that the offset is
        within an acceptable range.

        * config/v850/v850.md (casesi): Disable the generation of the
        switch pattern as it is not being handled properly at the moment.

        * config/v850/lib1funcs.asm (___ucmpdi2): Correct jump instruction
        for when the high words are identical.

2005-09-27  Richard Henderson  <rth@redhat.com>

        * pretty-print.c (pp_base_format): Fix typo for %>.

2005-09-27  Daniel Berlin  <dberlin@dberlin.org>
            Devang Patel  <dpatel@apple.com>

        PR tree-optimization/23625
        * tree-flow-inline.h (bsi_after_labels): Remove, first statement is
        LABEL_EXPR, assertion check.

2005-09-27  J"orn Rennecke <joern.rennecke@st.com>

        * optabs.c (no_conflict_move_test): Check if a result of a
        to-be-moved insn would be clobbered by an originally
        preceding insn.

2005-09-27  Jeff Law  <law@redhat.com>

        * passes.c (init_optimization_passes): Replace copy propagation
        passes immediately after DOM with phi-only copy propagation
        pases.  Add phi-only copy propagation pass after first DOM pass.
        * tree-pass.h (pass_phi_only_copy_prop): Declare.
        * tree-ssa-copy.c (init_copy_prop): Accept new PHI_ONLY argument.
        If true, then mark all non-control statements with DONT_SIMULATE_AGAIN.
        (execute_copy_prop): Accept new PHI_ONLY argument.  Pass it along
        to init_copy_prop.  Callers updated.
        (do_phi_only_copy_prop): New function.
        (pass_phi_only_copy_prop): New pass descriptor.

2005-09-27  Nick Clifton  <nickc@redhat.com>

        * libgcc2.c (__popcount_tab): Remove redundant prototype.

2005-09-26  Jason Merrill  <jason@redhat.com>

        PR c++/13764
        * c-common.c (finish_fname_decls): Use append_to_statement_list_force.

        * doc/invoke.texi: Clarify documentation of -fno-enforce-eh-specs.

2005-09-26  James E Wilson  <wilson@specifix.com>

        * config/ia64/crtbegin.asm, config/ia64/crtend.asm: Remove glibc
        copyright.  Add gcc copyright plus libgcc exception.
        * config/ia64/crtfastmath.asm: Remove glibc copyright.  Add gcc
        copyright.
        * config/ia64/lib1funcs.asm: Add gcc copyright plus libgcc exception.

2005-09-26  Jeff Law  <law@redhat.com>

        * tree-ssa-dom.c (tree_ssa_dominator_optimize): Be more selective
        about when to iterate.

2005-09-23  Fariborz Jahanian <fjahanian@apple.com>

        PR target/23847
        * config/rs6000/rs6000.c (rs6000_function_value): Parallel pattern
        for __complex__ double in -mcpu=G5 mode.

2005-09-26  Sebastian Pop  <pop@cri.ensmp.fr>

        PR tree-optimization/23942
        * Makefile.in (SCEV_H): Depends on PARAMS_H.
        * tree-scalar-evolution.c: Include params.h.
        (t_bool): New enum.
        (follow_ssa_edge, follow_ssa_edge_in_rhs,
        follow_ssa_edge_in_condition_phi_branch,
        follow_ssa_edge_in_condition_phi, follow_ssa_edge_inner_loop_phi):
        Change return type to t_bool.  Use a parameter to limit the size of
        trees that are walked before stopping
        (analyze_evolution_in_loop): Initialize the limit to 0.
        (follow_ssa_edge): Give up by returning t_dont_know if the limit
        exceeds PARAM_SCEV_MAX_EXPR_SIZE.

2005-09-26  Uros Bizjak  <uros@kss-loka.si>

        PR middle-end/23831
        * simplify-rtx.c (simplify_immed_subreg) [MODE_INT]: Skip
        simplification if elem_bitsize > 2 * HOST_BITS_PER_WIDE_INT.

2005-09-26    Fariborz Jahanian <fjahanian@apple.com>

        * combine.c (make_extraction): Check for valid use of subreg.

2005-09-26  Uros Bizjak  <uros@kss-loka.si>

        PR target/24055
        * config/i386/i386.md ("*fistdi2_1"): New pattern.
        ("*fist<mode>2_1"): Use only HImode and SImode register operands.
        ("fist<mode>2_with_temp"): Use only register operands.

2005-09-26  J"orn Rennecke <joern.rennecke@st.com>

        * rtlanal.c (reg_used_between_p): Don't check for CLOBBERs in
        CALL_INSN_FUNCTION_USAGE.

2005-09-26  Richard Guenther  <rguenther@suse.de>

        PR middle-end/15855
        * gcse.c: Include hashtab.h, define ldst entry hashtable.
        (pre_ldst_expr_hash, pre_ldst_expr_eq): New functions.
        (ldst_entry): Use the hashtable instead of list-walking.
        (find_rtx_in_ldst): Likewise.
        (free_ldst_entry): Free the hashtable.
        (compute_ld_motion_mems): Create the hashtable.
        (trim_ld_motion_mems): Remove entry from hashtable if
        removing it from list.
        (compute_store_table): Likewise^2.
        (store_motion): Free hashtable in case we did not see
        any stores.

2005-09-25  Kazu Hirata  <kazu@codesourcery.com>

        * fold-const.c (fold_binary): Use op0 and op1 instead of arg0
        and arg1 if we are passing them to fold_build2.

2005-09-25  Dan Nicolaescu  <dann@ics.uci.edu>

        PR 23828
        * config/i386/i386.c (ix86_function_regparm): Fix the test for
        a nested function.

2005-09-25  Richard Henderson  <rth@redhat.com>

        * config/alpha/alpha.c (tls_symbolic_operand_1): Trust
        SYMBOL_REF_TLS_MODEL to be correct.

2005-09-24  Richard Henderson  <rth@redhat.com>

        * ipa-type-escape.c (discover_unique_type): Remove dead code at
        end of function.  Reindent.

2005-09-24  Ian Lance Taylor  <ian@airs.com>

        * convert.c (convert_to_integer): Don't test for ENUMERAL_TYPE in
        NEGATE_EXPR/BIT_NOT_EXPR case.

2005-09-24  Richard Henderson  <rth@redhat.com>

        * c-common.c (handle_mode_attribute): When not modifying in place,
        create subtypes for enumerations.
        (sync_resolve_return): Use TYPE_MAIN_VARIANT.
        * gimplify.c (create_tmp_from_val): Likewise.

2005-09-24  Alexandre Oliva  <aoliva@redhat.com>

        * config/i386/i386.md (*tls_global_dynamic_64,
        *tls_local_dynamic_base_64): Add missing mode to call.
        (tls_global_dynamic_64, tls_local_dynamic_base_64): Likewise.

2005-09-24  Jan Hubicka  <jh@suse.cz>

        * cgraph.c (cgraph_clone_edge): Make the scale gcov_type.
        (cgraph_clone_node): Likewise.
        * cgraph.h (cgraph_clone_edge): Update prototype.
        (cgraph_mark_inline_edge, cgraph_clone_inlined_nodes): Remove
        duplicated prototypes; add updating argument.
        * cgraphunit.c (verify_cgraph_node): Verify that counts are non-negative.
        * ipa-inline.c (cgraph_clone_inlined_nodes): Allow clonning without
        updating profile.
        (cgraph_mark_inline_edge): Likewise.
        (cgraph_mark_inline): Update use of cgraph_mark_inline_edge.
        (cgraph_flatten_node): Likewise.
        (cgraph_decide_recursive_inlining): Likewise.
        (cgraph_decide_inlining_of_small_function): Likewise.
        * tree-optimize.c (tree_rest_of_compilation): Likewise.

2005-09-23  David Edelsohn  <edelsohn@gnu.org>
            Pete Steinmetz <steinmtz@us.ibm.com>

        * config/rs6000/rs6000.md (neg-minus-mult): Set type to dmul.
        (rldic.): Set type to "compare".
        (rldicr.): Same.
        (movsf_hardfloat): Set type to mtjmpr for MTCTR/MTLR.  Set type to
        mfjmpr for MFCTR/MFLR.
        (movdf_hardfloat64): Same.
        (movdf_softfloat64): Same.  Correct order of store and move types.
        (movti_string): Set type to store_ux/load_ux.
        (load_multiple): Set type to load_ux.
        (store_multiple): Set type to store_ux.
        (movmemsi): Set type to store_ux.
        (output_cbranch direct_return): Set type to jmpreg.
        (stmw): Set type to store_ux.
        (lmw): Set type to load_ux.
        * config/rs6000/40x.md (ppc403-store): Increase latency to 2.
        * config/rs6000/440.md (ppc440-store): Increase latency to 6.
        * config/rs6000/603.md (ppc603-store): Occupy LSU for 2 cycles.
        * config/rs6000/6xx.md (ppc604-store): Increase latency to 3.
        * config/rs6000/mpc.md (mpccore-store): Increase latency to 2.
        * config/rs6000/rios1.md (rios1-store): Increase latency to 2.
        (rios1-fpstore): Increase latency to 3.
        * config/rs6000/rios2.md (rios2-store): Increase latency to 2.
        * config/rs6000/rs64.md (rs64a-store): Increase latency to 2.

2005-09-23  David Edelsohn  <edelsohn@gnu.org>
            Andrew Pinski  <pinskia@physics.uc.edu>

        * config/rs6000/sync.md (sync_<fetchop_name>si_internal): Change
        operand2 constraint to "b".
        (sync_<fetchop_name>di_internal): Same.
        (sync_old_<fetchop_name>si_internal): Change operand3 constraint
        to "b".
        (sync_old_<fetchop_name>di_internal): Same.
        (sync_new_<fetchop_name>si_internal): Same.
        (sync_new_<fetchop_name>di_internal): Same.

2005-09-23  J"orn Rennecke <joern.rennecke@st.com>

        PR middle-end/23991
        * final.c (insn_default_length, insn_min_length): In !HAVE_ATTR_length
        case, define as macros.

        PR rtl-optimization/23837
        *  optabs.c (no_conflict_move_test): Don't set must_stay for a
        clobber / clobber match between dest and p->first.

        * optabs.c (emit_libcall_block): Use no_conflict_move_test.
        (no_conflict_move_test): Update comments.

2005-09-22  Ranjit Mathew  <rmathew@gcc.gnu.org>

        * doc/install.texi: Update URL for Jacks.
        * doc/sourcebuild.texi: Likewise.

2005-09-22  David Edelsohn  <edelsohn@gnu.org>

        PR target/24007
        * config/rs6000/rs6000.md (movsf_hardfloat): Ignore special
        registers when choosing register preferences.
        (movdf_hardfloat64): Same.

2005-09-22  Andreas Krebbel  <krebbel1@de.ibm.com>

        * expmed.c (expand_shift): Don't use the target of the rotate as
        target for the first expanded shift insn.
        * testsuite/gcc.dg/20050922-1.c: Testcase added.

2005-09-21  Zdenek Dvorak  <dvorakz@suse.cz>

        PR tree-optimization/22438
        * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Handle all
        preserved iv rhs rewriting specially.

2005-09-21  Daniel Berlin  <dberlin@dberlin.org>

        * tree-data-ref.c (analyze_array_indexes): Only estimate when
        estimate_only  is true.
        * tree-flow.h (ref_contains_indirect_ref): New prototype.
        * tree-flow-inline.h (ref_contains_indirect_ref): Moved from
        tree-ssa-structalias.c
        * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Use
        ref_contains_indirect_ref.
        * tree-ssa-structalias.c (ref_contains_indirect_ref): Moved.

2005-09-21  DJ Delorie  <dj@redhat.com>

        * config/mn10300/mn10300.c (TARGET_DEFAULT_TARGET_FLAGS): Add
        MASK_PTR_A0D0.
        (mn10300_return_in_memory): Support variable size types also.
        (mn10300_pass_by_reference): Likewise.
        (mn10300_function_value): New.
        * config/mn10300/mn10300.h (FUNCTION_VALUE): Call the above.
        (FUNCTION_OUTGOING_VALUE): Likewise.
        * config/mn10300/mn10300.opt: Add -mreturn-pointer-on-d0.
        * doc/invoke.texi: Document it.

2005-09-21  Uros Bizjak  <uros@kss-loka.si>

        PR target/22585
        * config/i386/i386.c (ix86_prepare_fp_compare_args): Do not
        force integer op1 into register for XFmode compares.

2005-09-21  Kazu Hirata  <kazu@codesourcery.com>

        PR middle-end/23971
        * expmed.c (alg_code): Add alg_impossible.
        (alg_hash_entry): Add cost.
        (synth_mult): Record alg_impossible in the hash table if
        multiplication by a given integer is impossble within the
        limit.  Speed up using alg_impossible.

2005-09-20  Daniel Berlin  <dberlin@dberlin.org>

        * tree-ssa-structalias.c (get_constraint_for_component_ref): Add
        argument.  Allow and set any offset if needs_anyoffset is passed
        in.
        (get_constraint_for): Add argument here too.
        Pass it down.
        (do_structure_copy): Pass NULL to get_constraint_for.
        (handle_ptr_arith): Ditto.
        (find_func_aliases): Ditto.

2005-09-20  J"orn Rennecke <joern.rennecke@st.com>

        PR rtl-optimization/23898
        * output.h (get_attr_min_length): Declare.
        * final.c (get_attr_length_1): New function, broken out of:
        (get_attr_length).
        (get_attr_min_length): New function.
        * bb-reorder.c (copy_bb_p, get_uncond_jump_length): Use it.
        (duplicate_computed_gotos): Likewise.
        * genattr.c (insn_min_length): Generate declaration.
        * genattrtab.c (min_fn, min_attr_value): New functions.
        (make_length_attrs): Generate insn_min_length.

2005-09-20  Steve Ellcey  <sje@cup.hp.com>

        * config/pa/pa.c (output_cbranch): Check for zero in operands[2].

2005-09-20  Richard Henderson  <rth@redhat.com>

        PR tree-optimization/24059
        * expr.c (expand_expr_real_1) <INDIRECT_REF>: Allow modifier
        EXPAND_STACK_PARM.

2005-09-20  Joseph S. Myers  <joseph@codesourcery.com>

        * c.opt (fextended-identifiers): New.
        * c-opts.c (c_common_handle_option): Handle
        -fextended-identifiers.
        * doc/cpp.texi: Update documentation of extended identifiers.
        * doc/cppopts.texi (-fextended-identifiers): Document.

2005-09-20  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/23929
        * tree-ssa-loop-niter.c (expand_simple_operations): Return immediately
        if expr is NULL.

        PR tree-optimization/23818
        * tree-stdarg.c (execute_optimize_stdarg): Call
        calculate_dominance_info.

2005-09-20  Daniel Berlin  <dberlin@dberlin.org>

        * tree-data-ref.c (get_number_of_iters_for_loop): New function.
        (analyze_siv_subscript_cst_affine): Add weak SIV test.
        (compute_overlap_steps_for_affine_1_2): Use
        get_number_of_iters_for_loop.
        (analyze_subscript_affine_affine): Check whether difference is
        zero first.
        Use get_number_of_iters_for_loop.
        Check whether overlap occurs outside of bounds.
        (analyze_miv_subscript): Use get_number_of_iters_for_loop.

2005-09-20  Andreas Krebbel  <krebbel1@de.ibm.com>

        * tree-ssa-address.c (create_mem_ref): Put the symbol reference into the
        base register if possible.

2005-09-20  Zdenek Dvorak  <dvorakz@suse.cz>

        PR tree-optimization/18463
        * tree-chrec.c (chrec_convert): Return fold_converted chrec if
        converting it directly is not possible.
        (chrec_convert_aggressive): New function.
        * tree-chrec.h (chrec_convert_aggressive): Declare.
        * tree-scalar-evolution.c (instantiate_parameters_1, resolve_mixers):
        Fold chrec conversions aggressively if asked to.
        (instantiate_parameters): Modified because of changes in
        instantiate_parameters_1.

2005-09-19  Richard Henderson  <rth@redhat.com>

        * config/i386/sse.md (reduc_splus_v4sf): Rename from reduc_plus_v4sf.
        (reduc_splus_v2df): New.

2005-09-19  Richard Sandiford  <richard@codesourcery.com>

        * config/arm/aof.h (REGISTER_NAMES): Add missing backslash.
        (ADDITIONAL_REGISTER_NAMES): Add missing comma.  Remove final comma.

2005-09-19  Richard Henderson  <rth@redhat.com>

        * config/i386/sse.md (vcondu<SSEMODE124>): Rename from
        vcondu<SSEMODE12>.

2005-09-19  Richard Henderson  <rth@redhat.com>

        * config/ia64/ia64.c (ia64_expand_widen_sum): New.
        (ia64_expand_dot_prod_v8qi): New.
        * config/ia64/ia64-protos.h: Update.
        * config/ia64/vect.md (pmpy2_r, pmpy2_l, widen_usumv8qi3,
        widen_usumv4hi3, widen_ssumv8qi3, widen_ssumv4hi3, udot_prodv8qi,
        sdot_prodv8qi, sdot_prodv4hi): New.
        (reduc_splus_v2sf): Rename from reduc_plus_v2sf.

2005-09-19  Richard Henderson  <rth@redhat.com>

        PR 23941
        * real.c (exact_real_truncate): Return false if the format cannot
        represent the number as a normal.

        * config/alpha/alpha.c (alpha_rtx_costs) <FLOAT_EXTEND>: Cost 0
        for a memory source.

2005-09-19  Dorit Nuzman  <dorit@il.ibm.com>

        * tree-ssa-operands.c (swap_tree_operands): Export.
        * tree.h (swap_tree_operands): Declare.
        * tree-vectorizer.c (vect_is_simple_reduction): Remove ATTRIBUTE_UNUSED.
        Call swap_tree_operands.

2005-09-19  Richard Henderson  <rth@redhat.com>

        * tree-flow.h (merge_alias_info): Declare.
        * tree-ssa-copy.c (merge_alias_info): Export.
        * tree-vect-transform.c (vect_create_index_for_vector_ref): Remove.
        (vect_create_data_ref_ptr): Use create_iv directly.
        (vectorizable_load): Use correct types for integer constants.
        (vect_generate_tmps_on_preheader): Likewise.
        (vect_gen_niters_for_prolog_loop): Likewise.

2005-09-19  Steven Bosscher  <stevenb@suse.de>

        PR rtl-optimization/23943
        * cse.c (find_best_addr): Never propagate an EXPR_LIST rtx.

2005-09-18  Jan Hubicka  <jh@suse.cz>

        * calls.c (flags_from_decl_or_type): Do not set ECF_LIBCALL_BLOCK.

2005-09-18  Eric Botcazou  <ebotcazou@adacore.com>

        * varasm.c (output_constant): Do not abort on conversions to union
        types between different sizes.

2005-09-18  Richard Guenther  <rguenther@suse.de>

        PR middle-end/23944
        * gimplify.c (fold_indirect_ref_rhs): Fix thinko in
        fallback.

2005-09-18  Paul Brook  <paul@codesourcery.com>

        * config/m68k/fpgnuib.c (__floatsidf): Don't rely on signed overflow.

2005-09-17  Richard Henderson  <rth@redhat.com>

        * tree-pass.h, tree-flow.h, tree-ssa-dce.c: Revert last change.
        * tree-ssa-loop.c (pass_vect_dce): Remove.
        * passes.c (init_optimization_passes): Add pass_dce as a sub-pass
        of pass_vectorize.

2005-09-17  Richard Henderson  <rth@redhat.com>

        * tree-pass.h (pass_vect_dce): Declare.
        * passes.c (init_optimization_passes): Add it.
        * tree-flow.h (tree_ssa_dce): Declare.
        * tree-ssa-dce.c (tree_ssa_dce): Export.
        * tree-ssa-loop.c (tree_vectorize): Move current_loops check ...
        (gate_tree_vectorize): ... here.
        (pass_vect_dce): New.

2005-09-17  Jan Hubicka  <jh@suse.cz>

        * except.c (struct eh_status): Turn region_array into vec.
        (expand_resx_expr, collect_eh_region_array, remove_unreachable_regions,
        convert_from_eh_region_ranges, find_exception_handler_labels,
        current_function_has_exception_handlers, assign_filter_values,
        build_post_landing_pads, dw2_build_landing_pads,
        sjlj_find_directly_reachable_regions, sjlj_mark_call_sites,
        sjlj_emit_dispatch_table, remove_eh_handler, for_each_eh_region,
        foreach_reachable_handler, can_throw_internal_1,
        convert_to_eh_region_ranges, verify_eh_tree): Update uses of
        region_array.
        (duplicate_eh_region_1): Update region_array.
        (duplicate_eh_regions): Resize region_array and avoid recomputing.

2005-09-17  David Edelsohn  <edelsohn@gnu.org>

        PR middle-end/22067
        * expmed.c (expand_mult): Substitute simple register for op0 when
        computing max_cost.

2005-09-17  Richard Henderson  <rth@redhat.com>

        * expr.c (emit_move_via_integer): Add force argument, pass it on
        to emit_move_change_mode.  Update callers.
        (emit_move_complex): Pass true to new force argument.
        * function.c (expand_function_end): Move expand_eh_return call
        earlier.  Merge sub-word complex values into a pseudo before
        copying to the return hard register.

2005-09-17  Eric Botcazou  <ebotcazou@adacore.com>

        * varasm.c (output_constant): Do not abort on VIEW_CONVERT_EXPRs
        between different sizes.

2005-09-16  Paolo Bonzini  <bonzini@gnu.org>

        PR 23903

        * passes.c (init_optimization_passes): Register dump files for
        IPA passes first.

2005-09-16  Andreas Krebbel  <krebbel1@de.ibm.com>

        * config/s390/s390-protos.h (s390_overlap_p): Prototype added.
        * config/s390/s390.c (s390_overlap_p): New function.
        * config/s390/s390.md ("*mvc" peephole2, "*nc" peephole2, "*oc"
        peephole2, "*xc" peephole2): Added overlap check to the peephole2
        condition.

2005-09-16  Richard Guenther  <rguenther@suse.de>

        * ipa-pure-const.c (static_execute): Free auxiliar information.
        * ipa-type-escape.c (discover_unique_type): Free temporary key.
        * tree-vrp.c (remove_range_assertions): Free blocks_visited sbitmap.

2005-09-15  DJ Delorie  <dj@redhat.com>

        * config/m32c/m32c-lib1.S (__m32c_eh_return): Fix typo.

2005-09-15  Paolo Bonzini  <bonzini@gnu.org>

        * optabs.c (expand_binop): Use swap_commutative_operands_with_target
        to order operands.
        (swap_commutative_operands_with_target): New.

2005-09-15  Daniel Berlin  <dberlin@dberlin.org>

        * tree-data-ref.c (analyze_array_indexes): Add estimate_only
        parameter.
        Update callers.
        (estimate_iters_using_array): New function.
        * tree-data-ref.h (estimate_iters_using_array): Prototype
        * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
        Use estimate_iters_using_array instead of analyze_array.

2005-09-15  Eric Botcazou  <ebotcazou@adacore.com>

        * tree-nested.c (get_frame_type): Mark the "non-local frame structure"
        as addressable.

2005-09-15  Michael Matz  <matz@suse.de>

        * tree-vrp.c (vrp_int_const_binop <MINUS_EXPR>): Handle 0 - -INF.

2005-09-14  Daniel Berlin  <dberlin@dberlin.org>

        PR tree-optimization/23835
        * tree-ssa-alias.c (sort_pointers_by_pt_vars): New function.
        (create_name_tags): Rewrite to be not O(num_ssa_names^2).

2005-09-14  Richard Henderson  <rth@redhat.com>

        * config/ia64/vect.md (addv2sf3, subv2sf3): Rewrite as expand.
        (addv2sf3_1, addv2sf3_2, subv2sf3_1, subv2sf3_2): New.

2005-09-14  Andrew Pinski  <pinskia@physics.uc.edu>

        * config/i386/i386.c (contains_128bit_aligned_vector_p): Add break
        in the ARRAY_TYPE case.

2005-09-14  Eric Botcazou  <ebotcazou@adacore.com>

        * tree.c (substitute_in_expr, case 4): New case, for ARRAY_REF.

2005-09-14  Uros Bizjak  <uros@kss-loka.si>

        PR middle-end/22480
        * tree-vect-transform.c (vectorizable_operation): Return false for
        scalar shift operations and for vector shift operations with
        non-invariant shift arguments.  Use scalar tree operand op1 as
        a shift operand when vector shift insn pattern uses scalar shift
        operand.
        * Makefile.in (tree-vect-transform.o): Depend on recog.h.

2005-09-14  Olivier Hainque  <hainque@adacore.com>

        * gimplify.c (gimplify_init_ctor_eval): Don't discard a zero-sized
        value if it has side-effects.

2005-09-14  David Edelsohn  <edelsohn@gnu.org>

        PR target/22068
        * config/rs6000/rs6000.md (muldi3): Add mulli alternative.

2005-09-14  Alan Modra  <amodra@bigpond.net.au>

        * config/rs6000/linux64.h (DBX_OUTPUT_BRAC): Treat function name
        passed as NAME as if it were label at start of function code.

2005-09-13  Kaz Kojima  <kkojima@gcc.gnu.org>

        * config/sh/sh.md (*movv4sf_i): Add general register cases to
        the constraints.

2005-09-13  Andrew Pinski  <pinskia@physics.uc.edu>

        * config/rs6000/darwin.md (movdf_low_si): Mark the outgoing r constraint
        as early clobber.  Rewrite so the PIC register is not implicitly used.

2005-09-13  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>

        * tree.c (annotate_with_file_line): Compare line numbers before
        file names.

2005-09-13  Uros Bizjak  <uros@kss-loka.si>

        PR target/23816
        * config/i386/sse.md (*ieee_sminv4sf3, *ieee_smaxv4sf3)
        (*ieee_sminv2df3, *ieee_smaxv2df3): New insn patterns.

2005-09-13  Ian Lance Taylor  <ian@airs.com>

        * loop-doloop.c (doloop_modify): Use GEN_INT to pass an rtx rather
        than a HOST_WIDEST_INT to gen_doloop_begin.

2005-09-13  Diego Novillo  <dnovillo@redhat.com>

        * tree-dfa.c (dump_variable): Guard against NULL annotations.

2005-09-13  Zdenek Dvorak  <dvorakz@suse.cz>

        PR tree-optimize/23817
        * tree-cfg.c (tree_merge_blocks): Preserve loop closed ssa.

2005-09-13  Alan Modra  <amodra@bigpond.net.au>

        PR target/23774
        * config/rs6000/rs6000.md (restore_stack_block): Write the backchain
        word before changing the stack pointer.  Use gen_frame_mem for MEMs.
        Use UNSPEC_TIE to prevent insn scheduling reordering the insns.
        (restore_stack_nonlocal): Likewise.
        (save_stack_nonlocal): Use template to emit insns, and gen_frame_mem.

2005-09-12  Ian Lance Taylor  <ian@airs.com>

        PR g++/7874
        * c.opt (ffriend-injection): New C++ option.
        * doc/invoke.texi (Option Summary): Mention -ffriend-injection.
        (C++ Dialect Options): Document -ffriend-injection.

2005-09-12  Josh Conner  <jconner@apple.com>

        PR middle-end/23237
        * ipa-reference.c (static_execute): Don't mark variables in
        named sections TREE_READONLY.

2005-09-12  Alan Modra  <amodra@bigpond.net.au>

        * config/rs6000/rs6000.c (get_next_active_insn): Simplify test for
        stack_tie.

2005-09-12  Andrew Pinski  <pinskia@physics.uc.edu>

        * tree-ssa-dse.c (dse_optimize_stmt): Fix up all of V_MAY_DEF and
        V_MUST_DEF instead of just the first_use_p.
        Don't mark the virtual variables for renaming on the statement which
        is being removed.
        (pass_dse): Remove TODO_update_ssa.

2005-09-12  J"orn Rennecke <joern.rennecke@st.com>

        PR middle-end/23290
        * stor-layout.c (compute_record_mode): For records with a single
        field, actually check the field's mode size against the type size.

        * sh.h (HARD_REGNO_MODE_OK): Allow V4SFmode in general purpose
        registers for TARGET_SHMEDIA.
        (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Rename
        GENERAL_FP_REGS to GENERAL_DF_REGS.  Add GENERAL_FP_REGS as union
        of GENERAL_REGS and FP_REGS.

2005-09-12  Bernd Schmidt  <bernd.schmidt@analog.com>

        * config/bfin/bfin.c (legimitize_pic_address): Use gen_const_mem.

2005-09-12  Alan Modra  <amodra@bigpond.net.au>

        * config/rs6000/rs6000.c (get_next_active_insn): Rewrite using
        CALL_P, JUMP_P and NONJUMP_INSN_P, so that barriers and labels
        are omitted.  Exclude stack_tie insn too.

2005-09-11  David Edelsohn  <edelsohn@gnu.org>

        PR rtl-optimization/23098
        * config/rs6000/predicates.md (easy_fp_constant): SFmode constant
        0.0f is easy.
        * config/rs6000/rs6000.md (movdf splitter): Use
        const_double_operand predicate for TARGET_POWERPC64.
        * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Expand
        SYMBOL_REF method to ABI_V4.

        * config/rs6000/altivec.md (build_vector_mask_for_load): Use
        replace_equiv_address.
        * config/rs6000/rs6000.c (rs6000_emit_eh_reg_restore): Mark MEM as
        rs6000_sr_alias_set and MEM_NOTRAP.
        (rs6000_aix_emit_builtin_unwind_init): Use gen_frame_mem().

2005-09-11  Eric Botcazou  <ebotcazou@adacore.com>

        * tree.c (contains_placeholder_p) <tcc_expression>: Properly
        handle CALL_EXPR again.

2005-09-11  Richard Earnshaw  <richard.earnshaw@arm.com>

        * arm/predicates.md (alignable_memory_operand): Delete.

2005-09-10  Richard Henderson  <rth@redhat.com>

        PR debug/23806
        * dbxout.c (dbxout_expand_expr): New.
        (dbxout_symbol): Use it.

2005-09-10  Richard Earnshaw  <richard.earnshaw@arm.com>

        * arm.c (arm_gen_rotated_half_load): Delete.
        (vfp_emit_fstmx, arm_set_return_address): Use gen_frame_mem.
        (emit_multi_reg_push, emit_sfm, arm_expand_prologue)
        (thumb_set_return_address): Likewise.
        (thumb_load_double_from_address): Use adjust_address.
        * arm.md (splits calling arm_gen_rotated_half_load): Delete.
        (extendhsisi2_mem, movhi_bytes): Use change_address.
        (movhi): Use widen_memory_access.
        (reload_out_df): Use replace_equiv_address.
        * arm-protos.h (arm_gen_rotated_half_load): Delete prototype.

2005-09-09  Richard Henderson  <rth@redhat.com>

        PR debug/20998
        * dbxout.c: Include expr.h.
        (dbxout_global_decl): Don't suppress for DECL_RTL unset.
        (dbxout_symbol): Handle DECL_VALUE_EXPR.
        * Makefile.in (dbxout.o): Add EXPR_H.

2005-09-09  Zdenek Dvorak  <dvorakz@suse.cz>

        PR tree-optimization/23509
        * tree-cfg.c (replace_uses_by): Use replace_exp.
        * tree-ssa-loop-ivopts.c (get_ref_tag): Assert that dereferenced
        pointers have name_mem_tag or type_mem_tag set.

2005-09-09  Sebastian Pop  <pop@cri.ensmp.fr>

        * tree-chrec.c (evolution_function_is_invariant_rec_p): Use
        CHREC_LEFT and CHREC_RIGHT for accessing chrec components instead
        of wrongly accessing operands.

2005-09-09  Sebastian Pop  <pop@cri.ensmp.fr>

        * Makefile.in (tree-chrec.o): Depends on SCEV_H.
        * tree-chrec.c: Include tree-scalar-evolution.h.
        (chrec_convert): Instantiate the base and step before calling
        scev_probably_wraps_p that would fail on parametric evolutions.
        Collect all the fails into a single section failed_to_convert,
        print a diagnostic, and return chrec_dont_know instead of calling
        fold_convert.
        * tree-scalar-evolution.c (loop_closed_phi_def): New.
        (instantiate_parameters_1): Avoid instantiation of loop closed ssa
        phi nodes.
        (scev_const_prop): Don't replace the definition of a loop closed ssa
        phi node by itself, or by another loop closed ssa phi node.
        * tree-ssa-loop-niter.c (scev_probably_wraps_p, convert_step): Check
        that base and step are defined.

2005-09-09  Richard Guenther  <rguenther@suse.de>

        PR c++/23624
        * fold-const.c (fold_ternary): Check truth_value_p before
        calling invert_truthvalue.

2005-09-09  Nick Clifton  <nickc@redhat.com>

        * Makefile.in (LIBGCC_DEPS): Add libgcc2.h.
        * libgcc2.c (__clz_tab[], __popcount_tab[]): Set the fixed
        dimension of these arrays.
        * libgcc2.h (__clz_tab[], __popcount_tab[]): Add exports of
        these arrays.
        * longlong.h: Only provide a prototype for the __clz_tab[] array
        if this header has not been included from libgcc2.h.
        * config/stormy16/stormy16-lib2.c: Include libgcc2.h rather than
        defining own types.
        Provide prototypes for exported functions.
        Use the __clz_tab[] and __popcount_tab[] arrays provided by
        libgcc2.c.

2005-09-08  Josh Conner  <jconner@apple.com>

        PR c++/21135
        PR c++/23180
        * expr.c (expand_expr_addr_expr_1): Don't invoke
        expand_simple_binop for EXPAND_INITIALIZER.

2005-09-08  Richard Henderson  <rth@redhat.com>

        PR debug/23190
        * toplev.c (wrapup_global_declaration_1): Split out ...
        (wrapup_global_declaration_2): ... from ...
        (wrapup_global_declarations): ... here.  Return bool.
        (check_global_declaration_1): Split out ...
        (check_global_declarations): from here.
        (emit_debug_global_declarations): New.
        * toplev.h (wrapup_global_declaration_1, wrapup_global_declaration_2,
        check_global_declaration_1, emit_debug_global_declarations): Declare.
        * c-decl.c (c_write_global_declarations_1): Don't create a vector
        of decls.  Call wrapup_global_declaration_1,
        wrapup_global_declaration_2, check_global_declaration_1 directly.
        (c_write_global_declarations_2): New.
        (ext_block): New.
        (c_write_global_declarations): Call c_write_global_declarations_2.
        * langhooks.c (write_global_declarations): Call
        emit_debug_global_declarations.

        * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Don't
        remove decls that have DECL_RTL_SET_P.
        * passes.c (rest_of_decl_compilation): Invoke
        cgraph_varpool_finalize_decl for all but functions.

2005-09-08  Eric Botcazou  <ebotcazou@libertysurf.fr>

        * tree-vrp.c (extract_range_from_unary_expr): Do not set the range for
        the result of a conversion if the new min and max cannot be compared.

2005-09-08  Andreas Krebbel  <krebbel1@de.ibm.com>

        * config/s390/s390.c (s390_sr_alias_set): Variable removed.
        (override_options): Setting s390_sr_alias_set removed.
        (save_fpr, save_gprs): Set alias set to vararg or frame.
        (restore_fpr, restore_gprs, s390_emit_prologue): Replace
        s390_sr_alias_set with get_frame_alias_set ().
        (s390_gimplify_va_arg): Replace s390_sr_alias_set with
        get_varargs_alias_set ().

2005-09-08  Andrew Pinski  <pinskia@physics.uc.edu>

        PR objc/20574
        PR objc/19324
        * c-parser.c (c_parser_objc_method_definition): If the next
        token is not "{", error out and don't start the function.

2005-09-08  Andrew Pinski  <pinskia@physics.uc.edu>

        * tree-vrp.c (extract_range_from_expr): Move the check for non
        nullness after the check for gimple invariant.

2005-09-08  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

        * tree.c (host_integerp, tree_low_cst): Correct function comment.

2005-09-08  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>

        PR target/23747
        * config/m32r.md (movmemsi_internal): Canonicalize order of
        operands in PLUS component of template.

2005-09-07  Andreas Krebbel  <krebbel1@de.ibm.com>

        * reload1.c (fixup_eh_region_note): Remove assertion.
        (fixup_abnormal_edges): Reverted removal of call to
        find_many_sub_basic_blocks made on 2005-08-31.

2005-09-07  Richard Henderson  <rth@redhat.com>

        * function.c (ARG_POINTER_CFA_OFFSET): Move ...
        * defaults.h (ARG_POINTER_CFA_OFFSET): ... here.
        (INCOMING_FRAME_SP_OFFSET): Move from dwarf2out.c.
        * dwarf2out.c (struct cfa_loc): Change reg to unsigned int,
        rearrange for better packing.
        (INCOMING_FRAME_SP_OFFSET): Move to defaults.h.
        (lookup_cfa_1): Remove inline marker.
        (cfa_equal_p): Split out of ...
        (def_cfa_1): ... here.  Use INVALID_REGNUM.
        (build_cfa_loc): Handle !cfa->indirect.
        (frame_pointer_cfa_offset): New.
        (dbx_reg_number): Assert register elimination performed; do
        leaf register remapping.
        (reg_loc_descriptor): Avoid calling dbx_reg_number when unused.
        (eliminate_reg_to_offset): New.
        (based_loc_descr): Remove can_use_fbreg argument.  Use fbreg only
        for verifiably local stack frame addresses; re-base to CFA.
        (mem_loc_descriptor): Remove can_use_fbreg argument.
        (concat_loc_descriptor, loc_descriptor): Likewise.
        (containing_function_has_frame_base): Remove.
        (rtl_for_decl_location): Don't do register elimination or
        leaf register remapping here.
        (secname_for_decl): Split out from ..
        (add_location_or_const_value_attribute): ... here.
        (convert_cfa_to_loc_list): New.
        (compute_frame_pointer_to_cfa_displacement): New.
        (gen_subprogram_die): Use them.
        * tree.h (frame_base_decl): Remove.
        * var-tracking.c (frame_base_decl, frame_stack_adjust): Remove.
        (prologue_stack_adjust): Remove.
        (vt_stack_adjustments): Use INCOMING_FRAME_SP_OFFSET.
        (adjust_stack_reference): Re-base memories to arg_pointer_rtx.
        (set_frame_base_location): Remove.
        (compute_bb_dataflow, emit_notes_in_bb): Don't call it.
        (dump_attrs_list, dump_dataflow_set): Use string concatenation.
        (vt_add_function_parameters): Don't eliminate_regs.
        (vt_initialize): Don't create frame_base_decl.

2005-09-07  Eric Botcazou  <ebotcazou@libertysurf.fr>

        * doc/install.texi (*-*-solaris2*): Clarify wording on the recommended
        version of GNU binutils for 4.x and later.

2005-09-06  Mark Mitchell  <mark@codesourcery.com>

        * ggc-page.c (ggc_push_context): Remove.
        (ggc_pop_context): Likewise.
        * ggc.h (ggc_push_context): Remove.
        (ggc_pop_context): Likewise.

2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>

        PR target/8973
        * config/arc/arc.c (arc_output_function_epilogue): Update flags while
        returning from an interrupt handler.

2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>

        PR target/8972
        * config/arc/arc.c (output_shift): Add check for loop count when
        optimizing.

2005-09-06  Steven Bosscher  <stevenb@suse.de>

        * tree-ssa-phiopt.c (conditional_replacement): Construct proper SSA
        form manually.
        (abs_replacement): Likewise.
        (pass_phiopt): Remove TODO_update_ssa.

2005-09-06  Jakub Jelinek  <jakub@redhat.com>

        PR c/23075
        * c-typeck.c (c_finish_return): Set TREE_NO_WARNING on RETURN_EXPR
        if "return with no value, in function returning non-void" warning
        has been issued.
        * tree-cfg.c (execute_warn_function_return): Don't look at
        RETURN_EXPRs with TREE_NO_WARNING set.

        PR target/22362
        * config/i386/i386.c (ix86_function_regparm): Make sure automatic regparm
        for internal functions doesn't use registers used by global registers
        variables.  Use fewer register parameters if there are global register
        variables.

2005-09-06  Olivier Hainque  <hainque@adacore.com>
            Eric Botcazou  <ebotcazou@adacore.com>

        PR middle-end/14997
        * expr.c (expand_expr_real) <normal_inner_ref>: Force op0 to mem
        when we would be extracting outside its bit span (bitpos+bitsize
        larger than its mode), possible with some VIEW_CONVERT_EXPRs from
        Ada unchecked conversions.

2005-09-06  Steven Bosscher  <stevenb@suse.de>

        * tree-ssa-pre.c (try_look_through_load): New function.
        (compute_avail): Use it to try to look through loads for some
        more useful expressions.

2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>

        * simplify-rtx.c (simplify_binary_operation_1): Correct the
        condition for detecting cases like (a&a) and (a^a).

2005-09-06  Keith Besaw  <kbesaw@us.ibm.com>

        * common.opt: Add option ftree-vect-loop-version.
        * params.def: Add --param vect-max-version-checks.
        * doc/invoke.texi: Document ftree-vect-loop-version and
        --param vect-max-version-checks.
        * tree-vectorizer.h (_loop_vec_info): Add ptr_mask and
        may_misalign_stmts and defines for accessors.
        * tree-vectorizer.c : (new_loop_vec_info): VEC_alloc for
        LOOP_VINFO_MAY_MISALIGN_STMTS.
        (destroy_loop_vec_info): VEC_free for
        LOOP_VINFO_MAY_MISALIGN_STMTS.
        * tree-vect-analyze.c (vect_compute_data_ref_alignment):
        Update documentation.
        (vect_update_misalignment_for_peel): New.
        (vect_enhance_data_refs_alignment): Update to choose loop
        peeling or loop versioning if appropriate for the (potentially)
        unaligned data references in the loop.
        (vect_analyze_data_refs_alignment): Remove call to
        vect_enhance_data_refs_alignment so the checks can be done
        earlier.
        (vect_analyze_loop): Add call to vect_enhance_data_refs_alignment
        and move up call to vect_analyze_data_refs_alignment.
        * tree-vect-transform.c (vect_create_cond_for_align_checks): New.
        (vect_transform_loop): Add call to loop_version.

2005-09-06  Jakub Jelinek  <jakub@redhat.com>

        PR rtl-optimization/23098
        * cse.c (fold_rtx_mem): Call delegitimize_address target hook.
        * simplify-rtx.c (constant_pool_reference_p): New function.
        * rtl.h (constant_pool_reference_p): New prototype.
        * config/i386/i386.md (pushf split, mov[sdx]f split): Use
        constant_pool_reference_p in condition and
        avoid_constant_pool_reference in preparation statements.

2005-09-06  Andreas Krebbel  <krebbel1@de.ibm.com>

        * gcse.c (try_replace_reg): Disallow REG_EQUAL notes for
        STRICT_LOW_PART SETs.

2005-09-06  Alan Modra  <amodra@bigpond.net.au>

        PR middle-end/21460
        * except.c (sjlj_emit_function_enter): Find the function begin
        note even when it's not in first basic block.

2005-09-06  Kelley Cook  <kcook@gcc.gnu.org>

        * acinclude.m4: Renamed from aclocal.m4.  Delete AM_LANGINFO_CODESET,
        AM_PROG_CC_C_O, and AM_AUX_DIR_EXPAND.
        * aclocal.m4: Regenerate.

2005-09-05  DJ Delorie  <dj@redhat.com>

        * config/m32c/m32c.h (TRAMPOLINE_ALIGNMENT): Correct misspelling
        of macro.

2005-09-06  Kazu Hirata  <kazu@codesourcery.com>

        * gimplify.c, ipa-prop.h, varasm.c, config/vxlib.c,
        config/vxworks.h, config/crx/crx.c, config/ms1/ms1.c,
        config/ms1/ms1.md, config/rs6000/rs6000.c: Fix comment typos.
        Follow spelling conventions.
        * doc/invoke.texi: Follow spelling conventions.

2005-09-05  J"orn Rennecke <joern.rennecke@st.com>

        * rtl.h (gen_frame_mem, gen_tmp_stack_mem): Declare.
        * emit-rtl.c (gen_frame_mem, gen_tmp_stack_mem): New functions.
        * builtins.c (expand_builtin_return_addr): Use gen_frame_mem.

2005-09-05  J"orn Rennecke <joern.rennecke@st.com>

        PR target/23683
        * sh.c (sh_reorg, emit_load_ptr): Use gen_const_mem.
        (output_stack_adjust): Use gen_tmp_stack_mem.
        (sh_expand_prologue, sh_expand_epilogue): Use gen_frame_mem.
        (sh_set_return_address, sh_allocate_initial_value): Likewise.
        (sh_get_pr_initial_val): Likewise.
        (sh_builtin_saveregs): Use gen_frame_mem and change_address.
        (sh_initialize_trampoline): Likewise.  Also use adjust_address.
        * sh.md (divsi_inv_m0): Use gen_const_mem.
        (push_fpscr, pop_fpscr, load_ra): Use gen_frame_mem.
        (movdf_i4+1): Use gen_tmp_stack_mem.
        (reload_outdf+3, reload_outdf+4, fpu_switch+1): Use change_address.
        (fpu_switch+2): Likewise.
        (movv4sf_i, movv16sf_i): Use adjust_address.
        (symGOT_load): Set MEM_NOTRAP_P bit.

2005-09-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        PR target/23721
        * pa.c (emit_move_sequence): Fix typo in last change.

2005-09-03  Jakub Jelinek  <jakub@redhat.com>

        PR rtl-optimization/23454
        * reorg.c (relax_delay_slots): Only call invert_jump if any_condjump_p
        is true.

2005-09-03  Richard Henderson  <rth@redhat.com>
            John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        PR middle-end/23671
        * pa.c (emit_move_sequence): Use replace_equiv_address instead of
        gen_rtx_MEM.

2005-09-02  Nicolas Pitre <nico@cam.org>

        * config/arm/arm.c (arm_legitimize_address): Limit the value passed
        to bit_count to 32 bits.

2005-08-31  Mark Mitchell  <mark@codesourcery.com>

        PR c++/23167
        * gimplify.c (gimplify_expr): Handle TREE_ADDRESSABLE types when
        generating synthetic loads from volatile lvalues.

005-09-02  Nick Clifton  <nickc@redhat.com>

        * config/stormy16/stormy16-lib2.c (__popcounthi2, __parityhi2,
        __ctzhi2, __clzhi2): New functions.

2005-09-02  Andrew Pinski  <pinskia@physics.uc.edu>

        PR middle-end/23547
        * tree-nested.c (struct var_map_elt): Mark with GTY.
        (struct nesting_info): Mark with GTY.  Mark var_map's param is struct
        var_map_elt.
        (lookup_field_for_decl): Allocate new element in GC memory.
        (lookup_tramp_for_decl): Likewise.
        (convert_nl_goto_reference): Likewise
        (create_nesting_tree): Allocate info in GC memory. Likewise for
        info->var_map.
        (free_nesting_tree): Free with ggc_free instead of free.
        (root): New static variable.
        (lower_nested_functions): Remove root as local variable.  And zero out
        root at the end of the function.

2005-09-02  J"orn Rennecke <joern.rennecke@st.com>

        PR rtl-optimization/20365
        * simplify-rtx.c (simplify_plus_minus_op_data): Change type of neg
        to short.  New member ix.
        (simplify_plus_minus_op_data_cmp): Break ties using ix member.
        (simplify_plus_minus): Initialize ix members before calling qsort.

2005-09-02  Zdenek Dvorak  <dvorakz@suse.cz>

        PR tree-optimization/23626
        * tree-cfg.c (replace_uses_by): Clean up eh info.

2005-09-01  DJ Delorie  <dj@redhat.com>

        * config/m32c/m32c.c (m32c_valid_pointer_mode): Remove stray debug
        fprintf.

2005-09-01  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/rs6000.c (setup_incoming_varargs): Set MEM_NOTRAP_P.
        (rs6000_split_multireg_move): Use replace_equiv_address instead of
        gen_rtx_MEM.

2005-09-01  Craig Rodrigues  <rodrigc@gcc.gnu.org>

        * c-decl.c (diagnose_mismatched_decls):  With -Wredundant-decls,
        do not issue warning for a variable definition following
        a declaration.

2005-09-01  Richard Henderson  <rth@redhat.com>

        PR 23668
        * config/i386/i386.c (ix86_expand_vector_init_one_var): Restore
        conversion to CONST_VECTOR.

2005-09-01  Richard Henderson  <rth@redhat.com>

        PR 23676
        * reload1.c (reload_as_needed): Check !CALL_P before calling
        fixup_eh_region_note.
        * rtlanal.c (may_trap_p): SUBREG by itself cannot trap.

2005-09-01  DJ Delorie  <dj@redhat.com>

        * varasm.c (output_constant): Let the target resolve
        conversions of addresses to non-default pointer sizes.

2005-09-01  Nicolas Pitre <nico@cam.org>

        * config/arm/arm.c (arm_legitimize_address): Split absolute addresses
        to alow matching ARM pre-indexed addressing mode.
        (arm_override_options): Remove now irrelevant comment.

2005-09-01  Phil Edwards  <phil@codesourcery.com>

        * config.gcc (i*86-wrs-vxworks):  Update.  Split out vxworksae target.
        * config/i386/t-vxworks:  Update multilibs for VxWorks 6 and RTP mode.
        * config/i386/vxworks.h:  Likewise.
        * config/i386/t-vxworksae:  New file, for VxWorks AE.
        * config/i386/vxworksae.h:  Likewise.

2005-09-01  Sebastian Pop  <pop@cri.ensmp.fr>

        PR tree-optimization/23410
        * tree-ssa-loop-niter.c (scev_probably_wraps_p): Check that the
        sequence is not wrapping during the first step.

2005-09-01  Jakub Jelinek  <jakub@redhat.com>

        PR debug/7241
        * dwarf2out.c (base_type_die): Compare char_type_node with
        TYPE_MAIN_VARIANT (type), not type.

2005-09-01  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/15366
        * common.opt: Add -finline-functions-called-once.
        Put -fearly-inlining in alphabetically ordered place.
        * doc/invoke.texi: Document new option.
        * ipa-inline.c (cgraph_decide_inlining): Honour
        flag_inline_functions_called_once.

2005-09-01  Jakub Jelinek  <jakub@redhat.com>

        PR rtl-optimization/23478
        * local-alloc.c (struct qty): Add n_throwing_calls_crossed field.
        (alloc_qty): Initialize it.
        (update_equiv_regs): Clear REG_N_THROWING_CALLS_CROSSED.
        (combine_regs): Combine also n_throwing_calls_crossed fields.
        (find_free_reg): Don't attempt to caller-save pseudos crossing
        calls that might throw.
        * global.c (struct allocno): Add throwing_calls_crossed field.
        (global_alloc): Revert 2005-08-22 change.  Initialize
        throwing_calls_crossed.
        (find_reg): Don't attempt to caller-save pseudos crossing calls that
        might throw.

2005-09-01  Alan Modra  <amodra@bigpond.net.au>

        PR target/23649
        * config/rs6000/predicates.md (mask_operand): Only handle rlwinm masks.
        (mask64_operand): Reinstate code prior to 2005-06-11 change.
        (mask64_2_operand): Reinstate code prior to 2004-11-11 change.
        (and64_2_operand): Tweak to use predicate.
        (and_operand): Adjust for mask_operand changes.
        * config/rs6000/rs6000.c (num_insns_constant): Revert 2005-06-11.
        (print_operand): Likewise.
        (rs6000_rtx_costs): Pass mode to mask_operand and use mask64_operand.
        (mask64_1or2_operand): Delete.
        * rs6000/rs6000-protos.h (mask64_1or2_operand): Delete.
        * config/rs6000/rs6000.h (EXTRA_CONSTRAINT <S>): Revert 2005-06-11.
        (EXTRA_CONSTRAINT <T>): Pass operand mode to predicate.
        (EXTRA_CONSTRAINT <t>): Disallow mask64_operand matches.
        * config/rs6000/rs6000.md (andsi3_internal3 split): Revert 2005-06-11.
        (rotldi3_internal4): Likewise.
        (rotldi3_internal5, rotldi3_internal5 split): Likewise.
        (rotldi3_internal6, rotldi3_internal6 split): Likewise.
        (ashldi3_internal7): Likewise.
        (ashldi3_internal8, ashldi3_internal8 split): Likewise.
        (ashldi3_internal, ashldi3_internal9 split): Likewise.
        (anddi3 split): Don't match mask64_operand.
        (anddi3_internal2): Add rlwinm.  Modify 't' splitter predicate.
        (anddi3_internal3): Add rlwinm.  Use and64_2_operand in non-cr0
        splitter and match TARGET_64BIT not TARGET_POWERPC64.  Modify
        't' splitter predicate.
        (movdi_internal64 + 2): Revert 2005-06-11 change.

2005-08-31  DJ Delorie  <dj@redhat.com>

        * config/m32c/m32c.c (m32c_valid_pointer_mode): New.
        (m32c_asm_integer): Add support for 32 bit pointers.

2005-08-31  Richard Henderson  <rth@redhat.com>

        * emit-rtl.c (set_mem_attributes_minus_bitpos): Look through
        component-like references for setting MEM_NOTRAP_P.

        * config/i386/i386.c (ix86_setup_incoming_varargs): Set MEM_NOTRAP_P.
        * config/alpha/alpha.c (alpha_setup_incoming_varargs): Likewise.

2005-08-31  Richard Henderson  <rth@redhat.com>

        * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Force subregs
        into a pseudo before applying gen_lowpart.

2005-08-31  Geoffrey Keating  <geoffk@apple.com>

        * doc/install.texi (Specific): Update cctools version required
        for full functionality.
        * config/darwin.h (LINK_SPEC): Pass -mmacosx-version-min to the
        linkers as -macosx_version_min.

2005-08-31  J"orn Rennecke <joern.rennecke@st.com>

        PR target/21255
        * sh.c (print_operand, %R and %S): Add handling of floating point
        registers, memory, constants and invalid operands.

2005-08-31  Daniel Berlin  <dberlin@dberlin.org>

        * ipa-pure-const.c: Change dump name.

2005-08-31 Uros Bizjak <uros@kss-loka.si>

        PR target/23570
        * config/i386/sse.md (*sse_concatv2sf): Change operand 2 constraint
        to "reg_or_0_operand".
        (sse2_loadld): Change operand 1 constraint to "reg_or_0_operand".

2005-08-31  Dale Johannesen  <dalej@apple.com>

        * loop-iv.c (iv_number_of_iterations):  Fix overflow check for
        loops that count down.

2005-08-31  Richard Henderson  <rth@redhat.com>

        PR rtl-opt/23601
        * reload1.c (reload): Set MEM_NOTRAP_P in spill slots.
        (fixup_eh_region_note): New.
        (reload_as_needed): Call it.
        (fixup_abnormal_edges): Allow all throwing insns to be deleted;
        don't call find_many_sub_basic_blocks; call verify_flow_info.
        * function.c (assign_stack_local_1): Set MEM_NOTRAP_P.
        (keep_stack_depressed): Likewise.
        (assign_stack_temp_for_type): Likewise; use adjust_address_nv.

2005-08-31  Richard Henderson  <rth@redhat.com>

        * config/i386/i386.c (ix86_function_ok_for_sibcall): Fix test for
        fp return matching.

2005-08-31  Fariborz Jahanian <fjahanian@apple.com>

        * expr.c (expand_expr_real_1): Compare size of address
        mode to target's address mode size in deciding expansion of
        the constant address.

2005-08-31  Richard Guenther  <rguenther@suse.de>

        PR middle-end/23477
        * expr.c (all_zeros_p): New function.
        (expand_expr_real_1): Handle the case of an all-zero
        non-addressable constructor separately.

2005-08-31  Adrian Straetling  <straetling@de.ibm.com>

        * builtins.c: (expand_builtin_strcpy, expand_builtin_strcat): Change
        arguments, adjust all callers.
        (expand_builtin_strcat): Rewrite to call strcpy instead of mempcpy.

2005-08-30  Richard Henderson  <rth@redhat.com>

        PR target/23630
        * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Use gen_lowpart
        whenever the mode sizes match.

2005-08-31  Alan Modra  <amodra@bigpond.net.au>

        * calls.c (load_register_parameters): Fix comment typo.
        * expr.c (emit_push_insn): Comment formatting.

2005-08-30  Ian Lance Taylor  <ian@airs.com>

        * config/i386/x-cygwin (host-cygwin): Change dependency from
        hosthooks-def.h to $(HOSTHOOKS_DEF_H).

2005-08-29  Geoffrey Keating  <geoffk@apple.com>

        * config/i386/i386.c (ix86_expand_vector_init_one_var): Don't modify
        parts of 'vals'.

2005-08-29  Andrew Pinski  <pinskia@physics.uc.edu>

        PR middle-end/23408
        * ipa-inline.c (cgraph_decide_inlining_incrementally): Remove the
        call to ggc_collect.

2005-08-29  Paolo Bonzini  <bonzini@gnu.org>

        PR bootstrap/21268
        * Makefile.in (ALL_CPPFLAGS): Include $(INCLUDES) at the
        beginning.  Remove $(INCLUDES) from all the rules, if following
        $(ALL_CPPFLAGS) or $(BUILD_CPPFLAGS).

2005-08-29  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/23484
        * builtins.c (fold_builtin_memory_chk, fold_builtin_stxcpy_chk,
        fold_builtin_strncpy_chk, fold_builtin_snprintf_chk): If len is
        not constant, but maxlen is, don't set len to maxlen, rather
        set maxlen to len if len is a constant.

2005-08-29  Zdenek Dvorak  <dvorakz@suse.cz>

        PR tree-optimization/23475
        * tree-ssa-loop-ivcanon.c (remove_empty_loop): Update frequencies
        and counts.

2005-08-28  Daniel Berlin  <dberlin@dberlin.org>

        Fix PR middle-end/22455

        * fold-const.c (fold_checksum_tree): Adjust for now-largest tree size.
        Checksum only the parts of the tree that exist for the tree code.

2005-08-28  Dale Johannesen  <dalej@apple.com>

        * config/i386/i386.c (nocona_cost):  Increase MOVE_RATIO.

2005-08-28  Andrew Pinski  <pinskia@physics.uc.edu>

        * tree-vrp.c: Remove obsolete comment in front of vrp_initialize.

2005-08-28  Richard Henderson  <rth@redhat.com>

        * stor-layout.c (finalize_type_size): Revert workaround from 08-26.
        * tree.c (make_node_stat): Use BITS_PER_UNIT instead of alignment
        of char_type_node.

2005-08-28  Jakub Jelinek  <jakub@redhat.com>

        PR ada/23593
        * builtins.c (get_memory_rtx): Don't strip nops
        in between COMPONENT_REFs.

2005-08-27  Andrew Pinski  <pinskia@physics.uc.edu>

        PR middle-end/23463
        * gimplify.c (gimplify_modify_expr_rhs): Remove check for zero sized
        types.
        (gimplify_modify_expr): Check for zero sized types and gimplify the
        rhs and lhs as statements.

2005-08-27  John David Anglin  <dave.anflin@nrc-cnrc.gc.ca>

        PR libgcj/23508
        * pa/linux-unwind.h (pa32_fallback_frame_state): Use r0 slot in frame
        state for return address column of signal frames.

2005-08-27  David Edelsohn  <edelsohn@gnu.org>

        PR target/23539
        * config/rs6000/rs6000.c (expand_block_clear): Use HImode when
        bytes >= 2 not bytes == 2.
        (expand_block_move): Same.

2005-08-27  Richard Guenther  <rguenther@suse.de>

        PR target/23575
        * config/i386/sse.md (sse2_movsd): Add missing closing
        braces.

2005-08-27  Paul Brook  <paul@codesourcery.com>

        * genrecog.c (enum decision_type): Add DT_num_insns.
        (struct decision_test): Add u.num_insns.
        (add_to_sequence): Add DT_num_insns test.
        (maybe_both_true_2, nodes_identical_1): Handle DT_num_insns.
        (write_cond, debug_decision_2): Ditto.
        (change_state): Assume peep2_next_insn never fails.
        Remove "afterward" argument.
        (write afterward, write_tree): Update to match.
        * recog.c (peep2_current_count): New variable.
        (peep2_next_insn): Check it.
        (peephole2_optimize): Set peep2_current_count.
        * recog.h (peep2_current_count): Declare.

2005-08-26  Josh Conner  <jconner@apple.com>

        PR middle-end/23584
        * ipa-pure-const.c (check_tree): Check for volatile-ness
        when considering a dereference.

2005-08-27  Jakub Jelinek  <jakub@redhat.com>

        * rtl.h (MEM_IN_STRUCT_P): Fix comment typo.

2005-08-26  Jakub Jelinek  <jakub@redhat.com>

        PR rtl-optimization/23561
        * builtins.c (get_memory_rtx): Add LEN argument.  If MEM_EXPR is
        a COMPONENT_REF, remove all COMPONENT_REF from MEM_EXPR unless
        at most LEN bytes long memory fits into the field.
        (expand_builtin_memcpy, expand_builtin_mempcpy, expand_movstr,
        expand_builtin_strncpy, expand_builtin_memset, expand_builtin_memcmp,
        expand_builtin_strcmp, expand_builtin_strncmp): Adjust callers.

2005-08-26  Richard Henderson  <rth@redhat.com>

        PR rtl-opt/23560
        * loop.c (biased_biv_may_wrap_p): New.
        (maybe_eliminate_biv_1): Use it to suppress non-equality
        comparison transformations.  Delete disabled code.

2005-08-26  Ian Lance Taylor  <ian@airs.com>

        * combine.c (make_extraction): Avoid reference outside object.

2005-08-26  J"orn Rennecke <joern.rennecke@st.com>

        * stor-layout.c (finalize_type_size): Restore behaviour for
        non-aggregate types to the status quo ante of the patch for
        pr 23467.  Document why it matters.

2005-08-26  Jakub Jelinek  <jakub@redhat.com>

        PR c/23506
        * c-common.c (c_common_nodes_and_builtins): Increase builtin_types
        array by one element, initialize the BT_LAST element with NULL.

2005-08-26  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/rs6000.md (eq<mode>_compare): Only enable when
        optimizing for size.
        (plus_eqsi): Same.
        (compare_plus_eqsi): Same.
        (plus_eqsi_compare): Same.
        (neg_eq0<mode>): Same.
        (neg_eq<mode>): Same.

        * config/rs6000/aix52.h (PROCESSOR_DEFAULT): Change to
        PROCESSOR_POWER4.

2005-08-26  Nick Clifton  <nickc@redhat.com>

        * config/v850/v850.c (ep_memory_operand): Return FALSE if
        TARGET_EP is not defined.
        * config/v850/c850.h (TARGET_CPU_CPP_BUILTINS): Define __EP__ if
        TARGET_EP is enabled.
        (OPTIMIZATION_OPTIONS): Do not define MASK_EP when optimizing.
        * config/v850/v850.md (save_all_interrupt): Only use the EP
        register if TARGET_EP is defined.
        (restore_all_interrupt): Likewise.
        * config/v850/lib1funcs.asm: Update functions so that the EP
        register is only used if __EP__ is defined.

2005-08-26  David Ung  <davidu@mips.com>

        * config/mips/mips.c (mips_expand_prologue): Handle case when
        generating for MIPS16 and the outgoing argument area is more than
        SMALL_OPERAND. Use the frame pointer as temporary to generate the
        add instruction.

2005-08-26  Paul Woegerer  <paul.woegerer@nsc.com>

        * config/crx/crx.md: Make doloop_end pattern usage controllable
        via mloop-nesting=<max-nesting> command line switch. Make sure
        the combiner cannot use doloop_end_<mode> in an illegal way.
        * config/crx/crx.c: Use regs up to r6 for argument passing.
        Refine crx_address_cost (non cst4 displacements are expensive).
        * config/crx/crx.opt: Add switch for mloop-nesting=.

2005-08-26  Adrian Straetling  <straetling@de.ibm.com>

        * config/s390/s390.md: ("movstr", "*movstr"): Add patterns.
        (UNSPEC_MVST): New constant.

2005-08-26  Andreas Krebbel  <krebbel1@de.ibm.com>

        * config/s390/predicates.md ("shift_count_operand", "setmem_operand"):
        Reject operands containing eliminable registers.
        * testsuite/gcc.dg/20050825-1.c: New testcase.

2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
            Jan Hubicka  <jh@suse.cz>

        * regmove.c (reg_is_remote_constant_p): Reorganize to not use log links.

2005-08-24  Paolo Bonzini  <bonzini@gnu.org>

        PR tree-optimization/23546
        * tree-ssa-loop-im.c (for_each_index): Handle INTEGER_CST
        and REAL_CST nodes.

2005-08-24  Pete Steinmetz  <steinmtz@us.ibm.com>

        * params.def (PARAM_MIN_SPEC_PROB): New.
        * sched-rgn.c (MIN_PROBABILITY): Delete.
        (compute_trg_info): Convert to PARAM_VALUE.
        * doc/invoke.texi (param): Document min-spec-prob.

2005-08-24  Fariborz Jahanian <fjahanian@apple.com>

        * config/darwin.h: define __PIC__
        * config/rs6000/darwin.h: Add SUBTARGET_OS_CPP_BUILTINS to
        TARGET_OS_CPP_BUILTINS macro.

2005-08-24  Paolo Bonzini  <bonzini@gnu.org>

        * config/rs6000/rs6000.md: Fix thinko in the peephole2 I added
        yesterday.

2005-08-24  Zdenek Dvorak  <dvorakz@suse.cz>

        * bb-reorder.c (copy_bb, duplicate_computed_gotos): Add argument
        to duplicate_block.
        * cfghooks.c (duplicate_block): Added position where to place
        new block as argument.
        * cfghooks.h (duplicate_block): Declaration changed.
        * cfglayout.c (copy_bbs): Add argument after.  Pass it to
        duplicate_block.
        * cfglayout.h (copy_bbs): Declaration changed.
        * cfgloop.h (loop_version): Declaration changed.
        * cfgloopmanip.c (duplicate_loop_to_header_edge): Pass
        position to copy_bbs.
        (loop_version): Pass position to duplicate_loop_to_header_edge.
        Add place_after argument and position new blocks according to
        it.
        * modulo-sched.c (sms_schedule): Pass place_after argument
        to loop_version.
        * tracer.c (tail_duplicate): Pass argument to duplicate_block.
        * tree-cfg.c (split_edge_bb_loc): New function.
        (tree_split_edge, tree_duplicate_sese_region): Use split_edge_bb_loc
        to determine position of new blocks.
        * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass argument
        to loop_version.
        * tree-ssa-threadupdate.c (create_block_for_threading): Pass
        argument to duplicate_block.
        * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg):
        Pass position to copy_bbs.

2005-08-24  Zdenek Dvorak  <dvorakz@suse.cz>

        * fold-const.c (ptr_difference_const): Use
        cst_and_fits_in_hwi instead of host_integerp.

2005-08-24  Paolo Bonzini  <bonzini@gnu.org>

        * config/darwin.c (gen_pic_offset): New.
        (machopic_indirect_data_reference,  machopic_legitimize_pic_address):
        Use it.

2005-08-23  Zdenek Dvorak  <dvorakz@suse.cz>

        PR tree-optimization/23486
        * tree-ssa-loop.c (pass_scev_cprop): Add TODO_update_ssa_only_virtuals.

2005-08-23  Phil Edwards  <phil@codesourcery.com>

        * config.gcc (*-*-vxworks*):  Update tm_file, add extra_options,
        remove use_collect2.
        (powerpc-wrs-vxworks):  Update, split out *-*-vxworksae target.

        * target-def.h (TARGET_HAVE_CTORS_DTORS):  Allow target
        configuration files to override the default value.

        * config/t-vxworks:  Remove INSTALL_ASSERT_H.  Define STMP_FIXPROTO,
        EXTRA_HEADERS, and EXTRA_MULTILIB_PARTS.
        * config/vx-common.h:  New file, split out from...
        * config/vxworks.h:  here.  Update for VxWorks 6.x and RTP mode.
        * config/vxworksae.h:  New file, for VxWorks AE.
        * config/vxworks.opt:  New file.
        * config/vxlib.c:  Update for VxWorks 6.

        * config/rs6000/t-vxworks (MULTILIB_OPTIONS):  New list.  Adjust
        other MULTILIB_* variables appropriately.
        (LIB2FUNCS_EXTRA, EXTRA_MULTILIB_PARTS):  Correct from t-ppccomm.
        * config/rs6000/t-vxworksae:  New file, adjust multilibs for AE.
        * config/rs6000/vxworks.h:  Update for VxWorks 6.
        * config/rs6000/vxworksae.h:  New file, mostly placeholder for now.

2005-08-23  Andrew Pinski  <pinskia@physics.uc.edu>

        PR target/20799
        * config/darwin.c (machopic_select_section): Remove the hack to
        mark "::operator new" and "::operator delete" for coalescing
        even though they are not weak.

2005-08-24  Alan Modra  <amodra@bigpond.net.au>

        * configure.ac (HAVE_LD_NO_DOT_SYMS): Set for powerpc-linux biarch.
        * configure: Regenerate.

2005-08-23  Paolo Bonzini  <bonzini@gnu.org>

        PR middle-end/23517
        * fold-const.c (fold_convert): Use VIEW_CONVERT_EXPR to convert
        between vectors.
        * convert.c (convert_to_integer, convert_to_vector): Likewise.
        * tree-vect-generic.c (tree_vec_extract, expand_vector_operations_1):
        Likewise.

2005-08-23  Paolo Bonzini  <bonzini@gnu.org>

        * config/rs6000/predicates.md (equality_operator): New.
        * config/rs6000/rs6000.md: Rewrite as a peephole2 the split for
        comparison with a large constant.

2005-08-23  Mark Mitchell  <mark@codesourcery.com>

        * hwint.h (HOST_WIDE_INT_PRINT): Use HOST_LONG_LONG_FORMAT.

2005-08-23  J"orn Rennecke <joern.rennecke@st.com>

        * sh.c (sh_builtin_saveregs): If the number of to-be-saved fp
        registers is even, and we have a hardware double precision fp,
        align the buffer.
        (sh_gimplify_va_arg_expr): For floating point arguments, consider
        size of current argument when checking if argument was passed in
        registers.

        * sh.c (sh_attr_renesas_p): Handle error_mark_node.

        PR middle-end/23467
        * stor-layout.c (finalize_type_size): Dont override
        existing alignment with a smaller alignment from the mode.

2005-08-23  Sebastian Pop  <pop@cri.ensmp.fr>

        * lambda-code.c (lambda_vector_lexico_pos): Moved...
        * lambda.h (lambda_vector_lexico_pos): ... here.
        * tree-data-ref.c (build_classic_dist_vector): Return false when
        the distance vector is lexicographically negative.

2005-08-23  Sebastian Pop  <pop@cri.ensmp.fr>

        PR tree-optimization/23511
        * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Don't
        handle cases where TYPE_MIN_VALUE or TYPE_MAX_VALUE are NULL_TREE.

2005-08-23  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/22043
        * tree.h (count_type_elements): Add ALLOW_FLEXARR argument.
        * expr.c (count_type_elements): Add ALLOW_FLEXARR argument.
        If ALLOW_FLEXARR, handle types ending with flexible array member.
        Pass false as second argument to recursive count_type_elements calls.
        (categorize_ctor_elements_1, mostly_zeros_p): Pass false as second
        argument to count_type_elements call.
        * tree-sra.c (decide_block_copy): Likewise.
        * gimplify.c (gimplify_init_constructor): If num_type_elements < 0
        for a constant-sized object, set cleared as well.  Pass true as
        second argument to count_type_elements call.

2005-08-23  Alan Modra  <amodra@bigpond.net.au>

        PR target/21571
        * config/rs6000/rs6000.c (rs6000_legitimate_small_data_p): Rename
        from legitimate_small_data_p, and make global.  Update use.
        Remove forward declaration.
        * config/rs6000/rs6000-protos.h (rs6000_legitimate_small_data_p):
        Declare.
        * config/rs6000/rs6000.md (movdf_hardfloat32): Allow small data mems.

2005-08-23  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/rs6000.md (eq<mode>): Use output operand instead
        of scratch intermediates.
        (eq<mode>_compare): Same.
        (neg_eq0<mode>): New.
        (neg_eq<mode>): Convert to define_insn_and_split.

2005-08-23  Alan Modra  <amodra@bigpond.net.au>

        PR target/23070
        * config/rs6000/rs6000.c (function_arg): For ABI_V4 calls to
        stdarg functions, set/clear the fp marker even when no variable
        args are passed.
        * config/rs6000/sysv4.opt (mprototype): Describe.

2005-08-22  Jakub Jelinek  <jakub@redhat.com>

        PR rtl-optimization/23478
        * regs.h (reg_info): Add throw_calls_crossed.
        (REG_N_THROWING_CALLS_CROSSED): Define.
        * flow.c (allocate_reg_life_data): Initialize
        REG_N_THROWING_CALLS_CROSSED.
        (propagate_one_insn, attempt_auto_inc): Update
        REG_N_THROWING_CALLS_CROSSED.
        * global.c (global_alloc): Don't allocate pseudos across
        calls that may throw.

2005-08-22  Andrew Pinski  <pinskia@physics.uc.edu>

        PR c/18715
        * c-common.c (c_do_switch_warnings): Look for a node where the enum's
        value is inbetween the range if we did not find an exact match.

2005-08-22  Aldy Hernandez  <aldyh@redhat.com>

        * doc/invoke.texi (Option Summary): Add ms1 options.
        * doc/extend.texi: Document interrupt handler attribute for ms1.
        * doc/md.texi: Document ms1 constraints.
        * config.gcc: Add ms1-*-elf.
        * config/ms1/ms1.h: New.
        * config/ms1/ms1.c: New.
        * config/ms1/ms1.md: New.
        * config/ms1/ms1-protos.h: New.
        * config/ms1/ABI.txt: New.
        * config/ms1/crti.asm: New.
        * config/ms1/crtn.asm: New.
        * config/ms1/lib2extra-funcs.c: New.
        * config/ms1/t-ms1: New.
        * config/ms1/ms1.opt: New.

2005-08-22 Ira Rosen <irar@il.ibm.com>

        * config/rs6000/altivec.md (xorv4sf3): New.
        (negv4sf2, neg<mode>2): Likewise.

2005-08-21  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/23485
        * config/ia64/ia64.md (divsi3): Check divide by zero.
        (udivsi3): Likewise.
        (divdi3): Likewise.
        (udivdi3): Likewise.

2005-08-21  Jakub Jelinek  <jakub@redhat.com>

        * simplify-rtx.c (simplify_immed_subreg) <case CONST_DOUBLE>: Only clear
        up to elem_bitsize bits, not max_bitsize.

2005-08-21  Sebastian Pop  <pop@cri.ensmp.fr>

        PR tree-optimization/23433
        * tree-chrec.c (chrec_apply): Translate INTEGER_CST to a
        REAL_CST when the type is SCALAR_FLOAT_TYPE_P.

2005-08-21  Sebastian Pop  <pop@cri.ensmp.fr>

        PR tree-optimization/23434
        * tree-ssa-loop-niter.c (proved_non_wrapping_p): Give up when
        the iteration bound is not an INTEGER_CST.

2005-08-21  Dorit Nuzman  <dorit@il.ibm.com>

        * tree-vect-transform.c (get_initial_def_for_reduction): Set
        need_epilog_adjust back to false for MIN/MAX case. Set *scalar_def to
        NULL if need_epilog_adjust is false.
        (vect_create_epilog_for_reduction): Variable adjust_in_epilog removed.
        Case 3 always peels first itration, not just for PLUS case, and no need
        to use scalar_initial_def here. Create an epilog adjustment only if
        scalar_initial_def is not NULL.

        (vectorizable_reduction): Remove assert.

2005-08-20  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/23485
        * config/ia64/lib1funcs.asm (__divdi3): Check divide by zero.
        (__moddi3): Likewise.
        (__udivdi3): Likewise.
        (__umoddi3): Likewise.
        (__divsi3): Likewise.
        (__modsi3): Likewise.
        (__udivsi3): Likewise.
        (__umodsi3): Likewise.

2005-08-20  Jakub Jelinek  <jakub@redhat.com>

        * tree-pass.h (TDF_GRAPH): Define.
        * tree-dump.c (dump_options): Don't set TDF_GRAPH in "all".
        * passes.c (finish_optimization_passes): Only call
        finish_graph_dump_file if TDF_GRAPH is set.
        (execute_one_pass): Only call clean_graph_dump_file if dump_file !=
        NULL.  Set TDF_GRAPH bit.
        (execute_todo): Call print_rtl_graph_with_bb if TDF_GRAPH is set.

2005-08-20  Richard Earnshaw  <richard.earnshaw@arm.com>

        * arm.h (arm_stack_offsets): Add locals_base field.
        * arm.c (arm_get_frame_offsets): Compute it.
        (thumb_compute_initial_elimination offset): Make the Thumb frame
        pointer point to the base of the local variables.
        (thumb_expand_prologue): Update accordingly.
        (thumb_expand_epilogue): Likewise.

        * arm.md (thumb_movhi_clobber): Make this insn a define_expand.  Change
        mode of clobbered scratch to DImode.  Handle a case that's known to
        need this.

2005-08-19  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/rs6000.md (gt0<mode>): Delete.
        (gt0<mode>_compare): Delete.
        (neg_gt0<mode>): Delete.

2005-08-19  Eric Christopher  <echristo@apple.com>

        * optabs.h: Change CTI_ to COI_.
        * optabs.c: Ditto.

2005-08-19  James E Wilson  <wilson@specifix.com>

        * builtins.c (expand_builtin_return_addr): Set
        current_function_accesses_prior_frames when count != 0.  Use
        frame_pointer_rtx when count == 0.
        * function.h (struct function): Add accesses_prior_frames field.
        (current_function_accesses_prior_frames): Define.
        * reload1.c (init_elim_table): Check
        current_function_accesses_prior_frames.
        * doc/tm.texi (INITIAL_FRAME_ADDRESS_RTX): Update docs.

2005-08-19  Diego Novillo  <dnovillo@redhat.com>

        * tree-cfgcleanup.c (cleanup_tree_cfg): Fix flowgraph change
        indicator.  Return true if the flowgraph changed during
        cleanup.

2005-08-19  Diego Novillo  <dnovillo@redhat.com>

        PR 23476
        * tree-cfgcleanup.c (cleanup_control_expr_graph): Fold the
        conditional expression before testing its value.

2005-08-19  Diego Novillo  <dnovillo@redhat.com>

        * doc/invoke.texi: Fix documentation for -ftree-dominator-opts.

2005-08-19  Devang Patel  <dpatel@apple.com>

        PR tree-optimization/23048
        * tree-if-conv.c (if_convertible_bb_p): Supply basic_block as
        third parameter. Check whether latch is dominated by exit
        block or not.
        (if_convertible_loop_p): Supply exit block itself to
        if_convertible_bb_p.

2005-08-19  Richard Earnshaw  <richard.earnshaw@arm.com>

        PR target/23473
        * arm.md (arm_load_pic_register): Change argument to the mask of
        saved registers.  Call thumb_find_work_register if we need a
        scratch register on Thumb.
        (arm_expand_prologue): Pass empty register set to
        arm_load_pic_register.
        (thumb_expand_prologue): Pass live_regs_mask directly to
        arm_load_pic_register.
        * arm-protos.h (arm_load_pic_register): Update prototype.

2005-08-19  J"orn Rennecke <joern.rennecke@st.com>

        * sh.c (find_sole_member): New function.
        (sh_gimplify_va_arg_expr): Use it. Allow RECORD_TYPE mode mismatch
        if the record's alignment is larger than the size of its only member.

2005-08-19  Richard Earnshaw  <richard.earnshaw@arm.com>

        PR target/23436
        * arm.c (thumb_legitimize_reload_address): New function.
        * arm-protos.h (thumb_legitimize_reload_address): Add prototype.
        * arm.h (THUMB_LEGITIMIZE_RELOAD_ADDRESS): Call it.

2005-08-19  Paul Woegerer  <paul.woegerer@nsc.com>

        * config/crx/crx.c: Implement crx_decompose_address. Reject
        symbolic displacements since CRX register relative adressing
        mode can't handle unsigned 32-bit values as displacements.
        * config/crx/crx.h: Simplify definitions, remove redundant
        parenthesis and obsolete macros.
        * config/crx/crx.opt: Add new switch for debugging addresses.
        * config/crx/crx-protos.h: Add new declarations for above.

2005-08-19  Andrew Pinski  <pinskia@physics.uc.edu>

        PR middle-end/20624
        * gimple-low.c (block_may_fallthru): Handle CLEANUP_POINT_EXPR by
        looking past it.

2005-08-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * collect2.c (dup2): Delete.
        * configure.ac: Don't check for dup2.

        * config.in, configure: Regenerate.

2005-08-18  J"orn Rennecke <joern.rennecke@st.com>

        * sh.c (sh_gimplify_va_arg_expr): Loop to substitute a RECORD_TYPE
        record with the type of its only member.

2005-08-18  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/rs6000.md (ltu<mode>_compare): Convert to
        define_insn_and_split.
        (plus_ltu<mode>_compare): Same.
        (gtu<mode>_compare): Same.
        (plus_gtu<mode>_compare): Same.

2005-08-18  Dorit Nuzman  <dorit@il.ibm.com>

        PR tree-optimization/22228
        * tree-ssa-loop (pass_vectorize): Add TODO_verify_loops to
        todo_flags_start.
        * tree-vect-transform.c (vect_transform_loop): Mark the variables that
        are recorded in vect_vnames_to_rename for renaming.
        * tree-vectorizer.c (vect_vnames_to_rename): New global bitmap.
        (slpeel_update_phi_nodes_for_guard1): Record virtual vars for renaming
        in vect_vnames_to_rename.
        (vectorize_loops): Allocate and free the vect_vnames_to_rename bitmap.
        * tree-vectorizer.h (vect_vnames_to_rename): New extern variable.

2005-08-18  Jan Hubicka  <jh@suse.cz>

        PR c++/22034
        * cgraphunit.c (cgraph_varpool_assemble_pending_decls): Emit debug
        info only for local statics, not for member variables.

2005-08-18  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>

        * tree-data-ref.c (analyze_siv_subscript_cst_affine): Fix comment typo.

2005-08-18  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>

        * c-typeck.c (designator_errorneous): Rename to designator_erroneous.

2005-08-18  Andrew Pinski  <pinskia@physics.uc.edu>

        PR middle-end/16045
        * builtins.c (fold_builtin): Create a new NOP_EXPR all the time.

2005-08-17  James E Wilson  <wilson@specifix.com>

        * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
        array size check.

2005-08-17  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/rs6000.md (leu<mode>): Convert to mode macro.
        (leu<mode>_compare): Same.
        (plus_leu<mode>): Same.
        (neg_leu<mode>): Same.
        (and_neg_leu<mode): Same.
        (ltu<mode>_compare): Same.
        (plus_ltu<mode>): Same.
        (geu<mode>): Same.
        (geu<mode>_compare): Same.
        (plus_geu<mode>): Same.
        (neg_geu<mode>): Same.
        (and_neg_geu<mode>): Same.
        (plus_gt<mode>): Same.
        (gtu<mode>_compare): Same.
        (plus_gtu<mode>): Same.

2005-08-17  Erik Christiansen  <erik@dd.nec.com.au>

        * config/v850/lib1funcs.asm (callt_save_interrupt): Fix comment typos.
        Move call_table_data to end.  Delete spurious .text.
        (callt_save_all_interrupt): Fix comment typo.

2005-08-17  James E Wilson  <wilson@specifix.com>
            Kevin Winchester  <winchester@amirix.com>

        PR target/21684
        * config/mcore/mcore.h (SHIFT_COUNT_TRUNCATED): Define to 0.

2005-08-17  Uros Bizjak  <uros@kss-loka.si>

        PR target/23268
        * config/i386/i386.md ("*fist<mode>2_1"): New pattern.
        ("lrint<mode>2"): Change expander to use "*fist<mode>2_1" pattern.

2005-08-17  J"orn Rennecke <joern.rennecke@st.com>

        * sh.c (sh_gimplify_va_arg_expr): Don't substitute a RECORD_TYPE
        record with the type of its only member if the modes don't match.

        * varasm.c (decode_reg_name): Skip empty additional register names.

2005-08-16  Zdenek Dvorak  <dvorakz@suse.cz>

        * tree-ssa-loop-im.c (MAX_LSM_NAME_LENGTH, lsm_tmp_name,
        lsm_tmp_name_length): New.
        (lsm_tmp_name_add, gen_lsm_tmp_name, get_lsm_tmp_name): New functions.
        (schedule_sm): Use get_lsm_tmp_name instead of "lsm_tmp".

2005-08-16  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
            Andreas Krebbel  <krebbel1@de.ibm.com>

        * config.gcc: Added z9-109 switch.
        * config/s390/2084.md ("x_int", "x_agen", "x_lr", "x_la", "x_larl",
        "x_load", "x_store", "x_branch", "x_call", "x_mul_hi", "x_mul_sidi",
        "x_div", "x_sem", "x_cs", "x_vs", "x_stm", "x_lm", "x_other",
        "x_fsimpdf", "x_fsimpsf", "x_fdivdf", "x_fdivsf", "x_floaddf",
        "x_floadsf", "x_fstore_df", "x_fstoresf", "x_ftoi", "x_itof"): Enable
        for "z9_109" cpu attribute.
        * config/s390/s390.c (z9_109_cost): New processor cost structure.
        (CONST_OK_FOR_Os, CONST_OK_FOR_Op, CONST_OK_FOR_On): New macros.
        (s390_handle_arch_option): Added z9-109 switch.
        (override_options): Set respective cost function for z9-109.
        (s390_const_ok_for_constraint_p): New constraints Os, Op, On.
        (legitimate_reload_constant_p): Accept extended immediates.
        (print_operand): Three new output modifiers added: k, m and o.
        (s390_adjust_priority, s390_issue_rate): Handle Z9_109 like Z990.
        (s390_output_mi_thunk): Use extended immediate when possible.
        * config/s390/s390.h (processor_flags): Added PF_EXTIMM.
        (TARGET_CPU_EXTIMM, TARGET_EXTIMM): New macros.
        (CONSTRAINT_LEN): Added length of O constraint.
        (CLZ_DEFINED_VALUE_AT_ZERO): Definition added.
        * config/s390/s390.md ("cpu"): New value z9_109 added.
        ("*tstdi_extimm", "*tstdi_ccconly_extimm", "*tstsi_extimm",
        "*tstsi_cconly_extimm", "*movdi_64extimm", "*extendhidi2_extimm",
        "*extendqidi2_extimm", "*extendhisi2_extimm", "*extendqisi2_extimm",
        "*zero_extend<mode>si2_extimm", "*anddi3_extimm", "*iordi3_extimm",
        "*xordi3_extimm", "clzdi2", "clztidi2"): New patterns.
        ("*tstdi", "*tstsi", "*movdi_64", "*extendhisi2", "*extendqisi2",
        "*zero_extend<mode>si2_64", "zero_extendqihi2", "*zero_extendqihi2_64",
        "*anddi3", "*iordi3", "*xordi3"): Disable for TARGET_EXTIMM.
        ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs", "*cmpsi_ccs", "*cmpdi_ccu",
        "*cmpsi_ccu", "*movsi_zarch", "*adddi3_imm_cc", "*adddi3_carry1_cc",
        "*adddi3_carry2_cc", "*adddi3_cc", "*adddi3_64", "*addsi3_imm_cc",
        "*addsi3_carry1_cc", "*addsi3_carry2_cc", "*addsi3_cc", "addsi3",
        "*andsi3_cc", "*andsi3_cconly", "*andsi3_zarch", "*iorsi3_cc",
        "*iorsi3_cconly", "*iorsi3_zarch", "*xorsi3_cc", "*xorsi3_cconly",
        "*xorsi3", "*xorhi3", "*xorqi3"): Added instruction using extended
        immediates.
        ("extend<mode>di2", "extend<mode>si2", "zero_extend<mode>di2",
        "zero_extend<mode>si2"): Allow memory operands and don't manually emit
        insns for TARGET_EXTIMM.

2005-08-17  Andreas Krebbel  <krebbel1@de.ibm.com>

        * testsuite/gcc.dg/20020926-1.c: Added "-mesa" to dg-options.

2005-08-17  Nick Clifton  <nickc@redhat.com>

        * config/stormy16/stormy16.c (xstormy16_encode_section_info):
        Call default_encode_section_info.

2005-08-17  Steven Bosscher  <stevenb@suse.de>

        PR tree-optimization/21574
        * tree-ssa-ccp.c (likely_value): If the right hand side is a
        constant, return CONSTANT.
        (ccp_lattice_meet): Use operand_equal_p instead of simple_cst_equal.
        (ccp_fold, visit_assignment): Likewise.
        (evaluate_stmt): Handle UNDEFINED and UNKNOWN_VAL the same way.

2005-08-16  James A. Morrison  <phython@gcc.gnu.org>

        * c-typeck.c (build_function_call): Call fold_buildN_initializer or
        fold_buildN instead of buildN then fold_initializer or fold.
        (build_unary_op): Likewise.
        (build_binary_op): Likewise.
        * fold-const.c (fold_initializer): Remove.
        (fold_build1_initializer): New function.
        (fold_build2_initializer): New function.
        (fold_build3_initializer): New function.
        * tree.h (fold_initializer): Remove.
        (fold_build1_initializer): New function.
        (fold_build2_initializer): New function.
        (fold_build3_initializer): New function.

2005-08-16  James A. Morrison  <phython@gcc.gnu.org>

        * fold-const.c (optimize_bit_field_compare): Remove extra fold call.
        (try_move_mult_to_index): Call fold_build2 instead of build2.
        (fold_binary): Don't call fold after calls to try_move_mult_to_index.
        * tree-ssa-loop-niter.c (inverse): Call int_const_binop instead of
        fold_binary_to_constant.
        (infer_loop_bounds_from_undefined): Call fold_build2 instead of
        fold (build.
        * tree-data-ref.c (tree_fold_divides_p): Use tree_int_cst_equal to
        check if A == gcd (A, B).  Remove TYPE argument.
        (analyze_offset) Use fold_build2 instead of fold (build.
        (create_data_ref): Likewise.
        (analyze_siv_subscript_cst_affine): Update calls to tree_fold_divides_p.
        * tree-ssa-ccp.c (widen_bitfield): Call fold_build2 instead of build2
        then fold.

2005-08-17  Kelley Cook  <kcook@gcc.gnu.org>

        * config/arm/unaligned-funcs.c,config/i386/crtfastmath.c,
        ipa-cp.c,ipa-prop.c,ipa-prop.h: Update FSF address.

2005-08-16  Andrew Pinski  <pinskia@physics.uc.edu>

        PR tree-opt/23402
        * gimplify.c (zero_sized_type): New function.
        (gimplify_modify_expr_rhs): If we have a zero sized type,
        replace the statement with an empty statement.

2005-08-16  H.J. Lu  <hongjiu.lu@intel.com>

        * config/i386/crtfastmath.c (set_fast_math): Add "=m" for
        fxsave.

2005-08-16  Ian Lance Taylor  <ian@airs.com>

        * doc/tm.texi (Label Output): Correct typo.

2005-08-16  Steven Bosscher  <stevenb@suse.de>

        PR target/23376
        * loop-unroll.c (analyze_insn_to_expand_var): Make sure that
        force_operand will work later on using have_insn_for.

2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>

        * fold-const.c (tree_expr_nonnegative_p): Regroup cases.

2005-08-16  Ian Lance Taylor  <ian@airs.com>

        PR c++/23337
        * gimplify.c (gimplify_init_ctor_eval): If we see an element of
        vector type, don't try to construct it element by element.  Add an
        assertion that we use a FIELD_DECL when building a COMPONENT_REF.

2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>

        * fold-const.c (fold_ternary): Simplify folding of a CALL_EXPR.

2005-08-16  Geoffrey Keating  <geoffk@apple.com>

        * doc/invoke.texi (Precompiled Headers): Document some more options
        which are known to be safe.

2005-08-16  James E Wilson  <wilson@specifix.com>

        PR tree-optimization/21105
        * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
        TREE_OVERFLOW check.

2005-08-16  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/rs6000.md (ltu<mode>): Convert to mode macro.
        (neg_ltu<mode>): Same.
        (gtu<mode>): Same.
        (neg_gtu<mode>): Same.

2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>

        * builtins.c (expand_builtin_strcat): Remove superfluous call to fold.
        (fold_builtin_isdigit): Use fold_buildN.
        (build_function_call_expr): Likewise.
        * c-typeck.c (c_finish_loop): Likewise.

2005-08-16  J"orn Rennecke <joern.rennecke@st.com>
            Richard Shann <rshann@superh.com>

        PR middle-end/20396:
        * optabs.c (expand_binop): Take TRULY_NOOP_TRUNCATION into account.

2005-08-16  Sebastian Pop  <pop@cri.ensmp.fr>

        * tree-ssa-loop-niter.c (scev_probably_wraps_p): Reword a comment.

2005-08-15  Richard Earnshaw  <richard.earnshaw@arm.com>

        PR target/23355
        * arm.c (thumb_compute_save_reg_mask): Use similar logic to
        arm_compure_save_reg0_reg12_mask to determine when the PIC register
        must be saved.

2005-08-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        PR middle-end/23369
        * fold-const.c (build_range_check): Disable optimization for function
        pointer expressions on targets that require function pointer
        canonicalization.

2005-08-15  Ulrich Weigand  <uweigand@de.ibm.com>

        * simplify-rtx.c (simplify_const_relational_operation): When
        extracting arguments of a COMPARE, recompute the mode as well.

2005-08-15  Ian Lance Taylor  <ian@airs.com>

        * tree.c (build_string): Mark tree CONSTANT and INVARIANT.

2005-08-15  DJ Delorie  <dj@redhat.com>

        * config/m32c/mov.md (movqi_op): Immediates can't be moved to
        the stack.
        (movsi_splittable): Allow, but split, moves to the stack.
        * config/m32c/m32c.c (m32c_split_move): Always split moves to the
        stack.

2005-08-15  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * aclocal.m4 (gcc_AC_FUNC_PRINTF_PTR): Delete.
        * configure.ac: Don't call gcc_AC_FUNC_PRINTF_PTR.
        * system.h (HOST_PTR_PRINTF): Don't define, poison it.

        * bitmap.c, c-decl.c, config/i386/i386-interix.h,
        config/iq2000/iq2000.c, mips-tfile.c, print-rtl.c, print-tree.c:
        Delete HOST_PTR_PRINTF.

        * configure, config.in: Regenerate.

2005-08-15  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/rs6000.md (QHSI): New mode macro.
        (wd): Extend mode attr for QImode and HImode
        (dbits): New mode attr.
        (zero_extend<mode>di2): Convert to mode macro.

2005-08-15  Steve Ellcey  <sje@cup.hp.com>

        PR target/21841
        * doc/invoke.texi (-mgnu-ld): Update description.
        (-mhp-ld): Ditto.

2005-08-15  Sebastian Pop  <pop@cri.ensmp.fr>

        PR 23391
        * Makefile.in (tree-chrec.o): Depends on real.h.
        * tree-chrec.c: Include real.h.
        (chrec_fold_plus_poly_poly, chrec_fold_multiply_poly_poly,
        chrec_fold_plus_1): Use build_real for SCALAR_FLOAT_TYPE_P.
        * tree-scalar-evolution.c (add_to_evolution_1,
        interpret_rhs_modify_expr): Ditto.

2005-08-15  Sebastian Pop  <pop@cri.ensmp.fr>

        PR 23386
        * tree-data-ref.c (estimate_niter_from_size_of_data): When
        step is negative compute the estimation from init downwards to zero.

2005-08-14  James A. Morrison  <phython@gcc.gnu.org>

        * fold-const (fold_binary): Call fold_build2 instead of fold (build.

2005-08-14  Ulrich Weigand  <uweigand@de.ibm.com>

        * config/s390/s390.c (s390_const_ok_for_constraint_p): Add 'P'
        constraint.
        (legitimate_reload_constant_p): Fix handling of lliXX operands.
        Accept double-word constants that can be split.
        * config/s390/s390.md ("movti"): Use 'P' constraint.
        ("*movdi_31", "*movdf_31"): Likewise.

2005-08-14  Daniel Berlin  <dberlin@dberlin.org>

        Fix PR tree-optimization/22615

        * tree-ssa-structalias.c (solution_set_add): Handle
        first_vi_for_offset returning NULL.
        (do_da_constraint): Ditto.
        (do_sd_constraint): Ditto.
        (do_ds_constraint): Ditto
        (find_func_aliases): Ditto.
        (build_constraint_graph): RHS is allowed be ANYTHING.
        (first_vi_for_offset): Return NULL if we couldn't find anything at
        the offset.

2005-08-14  Ulrich Weigand  <uweigand@de.ibm.com>

        * config/s390/s390.c (s390_canonicalize_comparison): Prefer register
        over memory as first operand.