* arm.md (movqi): On thumb when optimizing, handle loading from

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

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>

        * 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.

2005-08-14  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/23360
        * config/i386/crtfastmath.c (set_fast_math): Check if DAZ is
        available for setting it.

2005-08-14  Ira Rosen  <irar@il.ibm.com>

        PR tree-optimization/23320
        * tree-data-ref.c (base_addr_differ_p): Add comment. Check
        data-refs' types instead of base object nullness. Add check for
        pointer type data-refs before first location comparison. Remove
        assert.

2005-08-14  Andreas Schwab  <schwab@suse.de>

        * doc/md.texi (Machine Constraints): Fix misplaced @end table.

2005-08-13  James E Wilson  <wilson@specifix.com>

        * doc/cpp.texi (__SSP__, __SSP_ALL__): Document.
        * doc/invoke.texi (-Wstack-protector, -fstack-protector,
        -fstack-protector-all, --param ssp-buffer-size): Document.
        (-Wvariadic-macros): Alphabetize.
        (-fsched-stalled-insns-dep): Add missing 'f'.

        * c-cppbuiltin.c (c_cpp_builtins): Add comment for flag_stack_protect
        macros.

2005-08-13  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'a' for indexed
        or indirect address operand.
        (EXTRA_ADDRESS_CONSTRAINT): New.
        * config/rs6000/rs6000.md (prefetch): Change constraint "p" to "a".

2005-08-13  Sebastian Pop  <pop@cri.ensmp.fr>

        PR tree-optimization/22236
        * tree-cfg.c (print_pred_bbs, print_succ_bbs): Correctly print
        successors and predecessors.
        * tree-chrec.c (chrec_convert): Before converting, check that
        sequences don't wrap.
        * tree-data-ref.c (compute_estimated_nb_iterations): Moved ...
        (analyze_array): Extern.
        (find_data_references_in_loop): Remove call to
        compute_estimated_nb_iterations.
        * tree-data-ref.h (analyze_array): Declared.
        * tree-flow-inline.h (single_ssa_tree_operand, single_ssa_use_operand,
        single_ssa_def_operand, zero_ssa_operands): Fix documentation.
        * tree-flow.h (scev_probably_wraps_p): Declare with an extra parameter.
        * tree-scalar-evolution.c (instantiate_parameters_1): Factor entry
        condition.
        * tree-ssa-loop-ivcanon.c: Fix documentation.
        * tree-ssa-loop-ivopts.c (idx_find_step): Add a fixme note.
        * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): ... here.
        (infer_loop_bounds_from_undefined): New.
        (estimate_numbers_of_iterations_loop): Use
        infer_loop_bounds_from_undefined.
        (used_in_pointer_arithmetic_p): New.
        (scev_probably_wraps_p): Pass an extra parameter.  Call
        used_in_pointer_arithmetic_p.  Check that AT_STMT is not null.
        (convert_step): Fix documentation.
        * tree-vrp.c (adjust_range_with_scev): Call instantiate_parameters.
        Use initial_condition_in_loop_num and evolution_part_in_loop_num
        instead of CHREC_LEFT and CHREC_RIGHT.  Adjust the call to
        scev_probably_wraps_p.

2005-08-13  Ulrich Weigand  <uweigand@de.ibm.com>

        * config/s390/s390.c (s390_split_branches): Revert 2005-08-12 change.
        (s390_register_info): Ignore clobbered_regs information for fixed
        registers, and only fixed registers.
        (s390_init_frame_layout): Remove redundant call.

2005-08-12  Gerald Pfeifer  <gerald@pfeifer.com>

        * doc/invoke.texi (C++ Dialect Options): Add dynamic_cast to
        description of -Wold-style-casts.

2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
            Jakub Jelinek  <jakub@redhat.com>

        * config/s390/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
        * config/s390/s390-protos.h (s390_get_thread_pointer): Prototype added.
        * config/s390/s390.c (print_operand): New output modifier 'G' added.
        (get_thread_pointer): Renamed to s390_get_thread_pointer.
        * config/s390/s390.md (stack_protect_set, stack_protect_test): If
        TARGET_THREAD_SSP_OFFSET is defined, change operands[1] to
        (MEM:P (PLUS:P (tp, TARGET_THREAD_SSP_OFFSET))).
        (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
        ("stack_protect_set", "stack_protect_test"): New expanders.
        ("stack_protect_setsi", "stack_protect_setdi", "stack_protect_testsi",
        "stack_protect_testdi"): New insn definitions.

2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>

        * config/s390/s390.md ("*movdf_31"): Changed constraint from P to K.

2005-08-12  Paul Brook  <paul@codesourcery.com>

        * config/arm/lib1funcs.asm: Error if __ARM_ARCH__ not set.

2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>

        * config/s390/predicates.md (setmem_operand): New predicate.
        (shift_count_operand): Accept ANDs with special constants as
        operand.
        * config/s390/s390.c (print_shift_count_operand): Skip ANDs
        with special constants.
        * config/s390/s390.md ("setmem_long", "*setmem_long"): Replaced
        shift_count_operand with setmem_operand.

2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>

        * config/s390/s390.c (s390_extract_part, s390_single_part):
        Type cast added.
        (s390_const_ok_for_constraint_p): Added SImode to the N constraint.
        (s390_output_mi_thunk): Don't use lg on 31 bit.
        * config/s390/s390.md ("*movdi_31", "*movdf_31"): Added lmy and stmy.
        ("*llgt_sisi" and splitter): Replaced TARGET_64BIT with TARGET_ZARCH.

2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>

        * config/s390/s390.c (CONST_OK_FOR_J, CONST_OK_FOR_K): New macros.
        (s390_select_ccmode, s390_rtx_costs, legitimate_reload_constant_p,
        s390_init_frame_layout, s390_emit_prologue, s390_emit_epilogue,
        s390_output_mi_thunk): Replaced uses of CONST_OK_FOR_CONSTRAINT_P
        with one of the new macros.

2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>

        * config/s390/s390.c (s390_split_branches, s390_init_frame_layout):
        Don't set save_return_addr_p.
        (s390_register_info): Make clobbered_regs not depending on
        save_return_addr_p.

2005-08-12  Kaz Kojima  <kkojima@gcc.gnu.org>

        * gcc.c (LINK_SSP_SPEC): Remove space before a trailing }.
        (LINK_COMMAND_SPEC): Add space after %(link_ssp).

2005-08-11  James E. Wilson  <wilson@specifix.com>

        * config/ia64/ia64.h (EXTRA_MEMORY_CONSTRAINT): New.

2005-08-11  Jakub Jelinek  <jakub@redhat.com>

        * dwarf2out.c (add_location_or_const_value_attribute): Prefer
        locations gathered by var-tracking in single entry loc_list
        over loc_descriptor_from_tree.

        * dwarf2out.c (concat_loc_descriptor): Add can_use_fbreg argument,
        pass it down to loc_descriptor.
        (loc_descriptor): Pass can_use_fbreg to concat_loc_descriptor.
        (containing_function_has_frame_base): Move earlier in the file.
        (loc_descriptor_from_tree_1): Use containing_function_has_frame_base
        instead of always assuming fbreg can't be used.

2005-08-11  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/altivec.md: Change constraint "m" to "Z".
        * config/rs6000/predicates.md (indexed_or_indirect_operand):
        Accept address wrapped in AND for Altivec.
        * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
        Strip AND wrapping offset address for Altivec.

2005-08-11  Richard Henderson  <rth@redhat.com>

        PR middle-end/23312
        * gimplify.c (gimplify_one_sizepos): Check for INTEGER_TYPE
        before using TYPE_IS_SIZETYPE.

2005-08-11  Richard Henderson  <rth@redhat.com>

        PR target/22225
        * config/alpha/alpha.c (alphaev4_insn_pipe): Add take pipes for
        insn types not present on ev4.
        (alphaev5_insn_pipe): Similarly.

2005-08-11  Richard Earnshaw  <richard.earnshaw@arm.com>

        PR target/23250
        * arm.c (arm_override_options): If the user has selected callee-super-
        interworking, then enable normal interworking.

2005-08-11  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>

        * config/i386/x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Undef before
        redefinition.

2005-08-11  Wu Zhou  <woodzltc@cn.ibm.com>

        * doc/rtl.texi: Fix two typos.

2005-08-11  Richard Guenther  <rguenther@suse.de>

        PR target/23289
        * config/i386/i386.c (ix86_function_ok_for_sibcall): Handle
        cases where we call to/from functions returning void.

2005-08-10  James A. Morrison  <phython@gcc.gnu.org>

        PR c++/23225
        * tree.c (build_pointer_type_for_mode): Robustify.

2005-08-10  James E Wilson  <wilson@specifix.com>

        * defaults.h, config/alpha/alpha.h, config/ia64/ia64.h
        (ASM_OUTPUT_ADDR_VEC_ELT): Delete.

        * config/alpha/alpha.c (alpha_arg_partial_bytes): Change "(CUM)." to
        "cum->".

2005-08-10  Eric Christopher  <echristo@apple.com>

        * config/rs6000/rs6000.c (mems_ok_for_quad_peep): Rewrite.
        * config/rs6000/rs6000.md (*lfq_power2, *stfq_power2): Use
        V2DFmode.

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

        PR target/21887
        * config/darwin.c (machopic_indirect_data_reference): Use a new register
        for the high part when generating dynamic-no-pic code.

2005-08-10  H.J. Lu  <hongjiu.lu@intel.com>

        * config.gcc (i[34567]86-*-linux*): Add i386/t-crtfm to tm-file.
        (x86_64-*-linux*): Likewise.

        * config/i386/crtfastmath.c: New file.
        * config/i386/t-crtfm: Likewise.

        * config/i386/linux.h (ENDFILE_SPEC): New.
        * config/i386/linux64.h (ENDFILE_SPEC): Likewise.

        * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
        crtfastmath.o.

2005-08-10  Dorit Nuzman  <dorit@il.ibm.com>

        * doc/md.texi: (reduc_smin, reduc_umin, reduc_splus, reduc_uplus):
        (vec_shl, vec_shr): Document new operations.
        * tree.def (VEC_RSHIFT_EXPR, VEC_LSHIFT_EXPR): Fix comment.

2005-08-10  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/predicates.md (indexed_or_indirect_address): New.
        * config/rs6000/rs6000.md (prefetch): Remove operand 0 mode and
        change predicate to indexed_or_indirect_address.

2005-08-10  Richard Sandiford  <richard@codesourcery.com>

        * config/arm/lib1funcs.asm (__aeabi_uidiv, __aeabi_idiv): New aliases.
        * config/arm/libgcc-bpabi.ver (GCC_3.5): Add __aeabi_idiv,
        __aeabi_uidiv, __aeabi_uread4, __aeabi_uread8, __aeabi_uwrite4
        and __aeabi_uwrite8.
        * config/arm/unaligned-funcs.c: New file.
        * config/arm/t-bpabi (LIB2FUNCS_EXTRA): Add unaligned-funcs.c.

2005-08-09  Paolo Bonzini  <bonzini@gnu.org>

        * bb-reorder.c (pass_duplicate_computed_gotos, pass_partition_blocks):
        Add dump.
        * cfglayout.c (pass_insn_locators_initialize): Add dump.
        * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes):
        Add dump.
        * except.c (pass_convert_to_eh_region_ranges): Add dump.
        * final.c (pass_shorten_branches): Add dump.
        * flow.c (pass_recompute_reg_usage, pass_remove_death_notes): Add dump.
        (pass_life): Rename dump.
        (rest_of_handle_flow2): Remove initial verify_flow_info.
        * function.c (pass_instantiate_virtual_regs): Add dump.
        * integrate.c (pass_initial_value_sets): Add dump.
        * jump.c (pass_cleanup_barriers, pass_purge_lineno_notes): Add dump.
        * loop-init.c (pass_rtl_loop_init, pass_rtl_loop_done): Rename dump.
        (pass_rtl_move_loop_invariants, pass_rtl_unswitch, pass_rtl_doloop,
        pass_rtl_unroll_and_peel_loops): Rename dump and add gate.
        (gate_rtl_move_loop_invariants, gate_rtl_unswitch, gate_rtl_doloop,
        gate_rtl_unrool_and_peel_loops): New.
        (rtl_move_loop_invariants, rtl_unswitch, rtl_unrool_and_peel_loops,
        rtl_doloop): Do not look at flags.
        * mode-switching.c (pass_mode_switching): Add dump.
        * recog.c (pass_split_all_insns, pass_split_for_shorten_branches,
        pass_split_before_regstack): Add dump.
        * regmove.c (pass_stack_adjustments): Add dump.
        * tree-optimize.c (pass_fixup_cfg): Add dump.

2005-08-10  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>

        PR 23309
        * config/m32r/m32r.c (m32r_reload_lr): Fix off by one error when
        deciding which instruction sequence to use.

2005-08-09  Dorit Nuzman  <dorit@il.ibm.com>

        * tree-vect-transform.c (vect_create_epilog_for_reduction): Set
        BIT_FIELD_REF_UNSIGNED for newly created BIT_FIELD_REFs.

2005-08-09  Richard Guenther  <rguenther@suse.de>

        * c-common.c (builtin_function_2): Remove.
        (def_builtin_1): New function.
        (c_common_nodes_and_builtins): Use def_builtin_1 to
        build builtin functions.

2005-08-09  Jie Zhang  <jie.zhang@analog.com>

        * config/bfin/uclinux.h (NO_IMPLICIT_EXTERN_C): Define.
        * config/bfin/elf.h (NO_IMPLICIT_EXTERN_C): Define.
        * config/bfin/bfin.c (bfin_return_in_memory): Update to really match
        Visual DSP.

2005-08-09  James A. Morrison  <phython@gcc.gnu.org>

        * tree-ssa-loop-niter.c (tree_simplify_using_condition_1): Use
        fold_binary instead of fold_build2 since we don't care about the
        resulting tree.
        (loop_niter_by_eval): Likewise.
        (compare_trees): Likewise.
        (proved_non_wrapping_p): Likewise.

2005-08-09  James A. Morrison  <phython@gcc.gnu.org>

        PR c/23161
        PR c/23165
        * c-typeck.c (c_finish_if_stmt): Look into STATEMENT_LISTs to see
        if the if is really empty.

2005-08-09  Steven Bosscher  <stevenb@suse.de>

        PR tree-optimization/23234
        * tree-ssa-math-opts.c (place_reciprocal): New enum.
        (execute_cse_reciprocals_1): Replace the 'phi' argument with an
        argument of the new enum.
        (execute_cse_reciprocals): Add reciprocals for function arguments
        on the unique successor edge of the entry block.  Update other calls
        to execute_cse_reciprocals_1.

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

        PR 22439
        * gimplify.c (gimplify_one_sizepos): Preserve the original type.

2005-08-08  Bob Wilson  <bob.wilson@acm.org>

        * expr.c (write_complex_part): Return after handling MEM.

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

        PR rtl-optimization/23241
        * combine.c (simplify_comparison): Fix error in determining
        whether to lift a subreg from comparison.

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

        PR target/18506
        * config/rs6000/altivec.md (vec_init<mode>): New.
        (vec_set<mode>): New.
        (vec_extract<mode>): New.
        * config/rs6000/rs6000.c (rs6000_expand_vector_init): New.
        (rs6000_expand_vector_set): New.
        (rs6000_expand_vector_extract): New.
        (rs6000_legitimate_offset_address_p): Offset addresses are valid
        for Altivec modes before reload.
        (altivec_expand_vec_init_builtin): New.
        (get_element_number): New.
        (altivec_expand_vec_set_builtin): New.
        (altivec_expand_vec_ext_builtin): New.
        (altivec_expand_builtin): Expand vec_init, vec_set, and vec_ext
        builtins.
        (altivec_init_builtins): Init vec_init, vec_set, and vec_ext
        builtins.
        * config/rs6000/rs6000.h (rs6000_builtins): Add
        ALTIVEC_BUILTIN_VEC_INIT_<mode>, ALTIVEC_BUILTIN_VEC_SET_<mode>,
        ALTIVEC_BUILTIN_VEC_EXT_<mode>.
        * config/rs6000/rs6000-protos.h: Declare new functions.

2005-08-08  Jan Hubicka  <jh@suse.cz>

        * i386.c (legitimate_pic_address_disp_p): Refuse GOTOFF in 64bit mode.
        (legitimate_address_p): Refuse GOT and GOTOFF in 64bit mode.
        * i386.md (movdi*): Use pic_32bit_operand.
        * predicates.md (pic_32bit_operand): New.

2005-08-08  Nathan Sidwell  <nathan@codesourcery.com>

        PR c++/21166
        * stor-layout.c (finalize_type_size): Undo DECL_PACKED when possible.

2005-08-07  James A. Morrison  <phython@gcc.gnu.org>

        * tree-vrp.c (simplify_div_or_mod_using_range): Use build2.
        (test_for_singularity): Use fold_build2.

2005-08-07  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Fix loop upper bound.

2005-08-07  Danny Smith  <dannysmith@users.sourceforge.net>

        * config/i386/cygming.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
        (COMMON_ASM_OP) Define.
        * config/i386/i386.c (ix86_in_large_data_p): Add ATTRIBUTE_UNUSED
        (ix86_encode_section_info): Likewise.
        (TARGET_ENCODE_SECTION_INFO): Conditionally define as
        SUBTARGET_ENCODE_SECTION_INFO.

2005-08-06  Richard Henderson  <rth@redhat.com>

        PR 21894
        * tree-nested.c (convert_local_reference): Save and restore val_only
        around component_ref and friends.  Clear walk_subtrees by default.

2005-08-06  Peter O'Gorman  <peter@pogma.com>

        PR 21366
        * gcc.c (process_command): Check the argument to -b has a dash.
        * doc/invoke.texi: Update -b and -V docs.

2005-08-06  James E Wilson  <wilson@specifix.com>

        * config/mips/cross64.h, config/mips/t-cross64: Delete.

2005-08-06  Michael Matz  <matz@suse.de>

        * genattrtab.c (write_attr_get, write_attr_case): Use insn_code
        member only if only one insn is associated with the value.

2005-08-06  Nick Clifton  <nickc@redhat.com>

        * config/stormy16/stormy16.h (SYMBOL_FLAG_XSTORMY16_BELOW100):
        New define.
        (ASM_OUTPUT_LABELREF): Delete - it is no longer needed.
        * config/stormy16/stormy16.c (xstormy16_below100_symbol):
        Check symbol flags instead of symbol name mangling.
        (xstormy16_asm_output_aligned_common): Likewise.  Also
        simplify code since the bss100_section cass is the only case
        where the below100 code will be triggered.
        (xstormy16_encode_section_info): Encode below100 attribute
        using the SYMBOL_FLAG_XSTORMY16_BELOW100 instead of mangling
        the name.
        (xstormy16_strip_name_encoding): Delete - this function is no
        longer needed.
        (TARGET_STRIP_NAME_ENCODING): Undefine.
        * config/stormy16/stormy16-protos.h: Delete prototype for
        xstormy16_strip_name_encoding.

2005-08-06  Kazu Hirata  <kazu@codesourcery.com>

        * Makefile.in, cfgexpand.c, cfgloop.h, cfgloopmanip.c,
        config.gcc, ipa-cp.c, ipa-prop.c, ipa-prop.h, reg-stack.c,
        tree-ssa-structalias.c, tree-vrp.c, value-prof.c, vec.h,
        config/linux.h, config/alpha/alpha.h, config/alpha/linux.h,
        config/alpha/predicates.md, config/arc/arc.h,
        config/arm/arm.h, config/arm/ieee754-df.S,
        config/arm/ieee754-sf.S, config/bfin/bfin.c,
        config/bfin/bfin.h, config/c4x/c4x.h, config/crx/crx.c,
        config/fr30/fr30.h, config/frv/frv.h, config/h8300/h8300.h,
        config/i386/i386.h, config/ia64/ia64.c, config/ia64/ia64.h,
        config/m68hc11/m68hc11.h, config/mips/mips.c,
        config/mips/mips.h, config/mips/openbsd.h,
        config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.h,
        config/pdp11/pdp11.h, config/rs6000/linux-unwind.h,
        config/rs6000/rs6000.c, config/rs6000/rs6000.h,
        config/s390/s390.c, config/sh/sh.c, config/sh/sh.h,
        config/sparc/linux.h, config/sparc/linux64.h,
        config/sparc/sparc.h, config/v850/v850.h, config/vax/vax.h,
        doc/extend.texi, doc/gcov.texi, doc/install.texi,
        doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix comment/doc
        typos.  Follow spelling conventions.

2005-08-06  Joseph S. Myers  <joseph@codesourcery.com>

        PR c/23113
        * stmt.c (warn_if_unused_value): Check TREE_NO_WARNING at start.
        Don't handle NOP_EXPR, CONVERT_EXPR and NON_LVALUE_EXPR
        specially.  Check for side effects only for COND_EXPR.
        * c-typeck.c (c_finish_stmt_expr): Mark statement expression
        return with TREE_NO_WARNING.

2005-08-06  Richard Sandiford  <richard@codesourcery.com>

        PR rtl-optimization/23233
        * loop.c (combine_movables): Require the modes to be the same.
        (move_movables): Remove handling of cases where the replacement
        had a different mode to the original.

2005-08-05  James A. Morrison  <phython@gcc.gnu.org>

        PR tree-optimization/23128
        * tree-vrp.c (vrp_int_const_binop): Check if unsigned addition or
        subtraction wrap, and set TREE_OVERFLOW if they do.

2005-08-05  Richard Henderson  <rth@redhat.com>

        PR 21728
        * tree-cfg.c (remove_bb): Transmute DECL_NONLOCAL labels into
        FORCED_LABEL labels.

2005-08-05  J"orn Rennecke <joern.rennecke@st.com>

        PR middle-end/23135
        * reload.c (find_reloads_subreg_address): Pass down TYPE
        unchanged.  Change all callers except find_reloads_toplev.

2005-08-05  Michael Matz  <matz@suse.de>

        * genattrtab.c (current_alternative_string): Remove.
        (SIMPLIFY_ALTERNATIVE): Ditto.
        (attr_alt_bit_p): Ditto.
        (alternative_name): Make const char *.
        (evaluate_eq_attr): Remove use of above things.
        (simplify_test_exp): Ditto.
        (simplify_test_exp <EQ_ATTR>): Guard for insn_code < 0 .
        (simplify_test_exp <AND>): Correct typo (test 'right' not 'left').

2005-08-04  James E Wilson  <wilson@specifix.com>

        * config/ptx4.h, config/sol2.h, config/arm/freebsd.h,
        config/arm/linux-elf.h, config/frv/frv.h, config/i386/freebsd.h,
        config/i386/freebsd64.h, config/i386/netware.h, config/i386/sco5.h,
        config/ia64/freebsd.h, config/rs6000/sysv4.h, config/sparc/freebsd.h
        (LINK_SPEC): Delete useless %{Wl,*:%*} item.

2005-08-04  Richard Henderson  <rth@redhat.com>

        PR 21529
        * params.def (PARAM_SRA_MAX_STRUCTURE_COUNT): New.
        * params.h (SRA_MAX_STRUCTURE_COUNT): New.
        * tree-sra.c (decide_block_copy): Use it.  Disable element copy
        if we'd have to instantiate too many members.

2005-08-04  Richard Henderson  <rth@redhat.com>

        PR 21291
        * tree-outof-ssa.c (coalesce_asm_operands): New.
        (coalesce_ssa_name): Use it.  Split out ...
        (coalesce_phi_operands, coalesce_result_decls): ... these.

2005-08-04  Paul Brook  <paul@codesourcery.com>

        * read-rtl.c (read_quoted_string): Break if EOF.

2005-08-04  Andrew Pinski  <pinskia@physics.uc.edu>

        * tree.h (fold_build1): Change to macro and call fold_build1_stat.
        (fold_build2): Likewise.
        (fold_build3): Likewise.
        (fold_build1_stat): New function prototype.
        (fold_build2_stat): Likewise.
        (fold_build3_stat): Likewise.
        * fold-const.c (fold_build1): Rename to ..
        (fold_build1_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
        through to build1_stat.
        (fold_build2): Rename to ..
        (fold_build2_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
        through to build2_stat.
        (fold_build3): Rename to ..
        (fold_build3_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
        through to build3_stat.

2005-08-04  David Edelsohn  <edelsohn@gnu.org>
            Ian Lance Taylor  <ian@airs.com>

        * function.c (assign_stack_local_1): Do not correct stack slot
        address if allocation size is smaller than mode size.

2005-08-04  Diego Novillo  <dnovillo@redhat.com>

        PR 22037
        * tree-cfg.c (replace_uses_by): Call mark_new_vars_to_rename.
        (tree_merge_blocks): Propagate anything allowed by
        may_propagate_copy.
        Clarify documentation.
        * passes.c (execute_todo): If cleanup_tree_cfg invalidated the
        SSA form, schedule an update if necessary.

2005-08-04  Gerald Pfeifer  <gerald@pfeifer.com>

        * doc/install.texi (Binaries): Remove broken link to
        Sinix/Reliant Unix binaries.

2005-08-03  Richard Henderson  <rth@redhat.com>

        PR 23221
        * function.c (stack_protect_epilogue): Export.
        * tree.h (stack_protect_epilogue): Declare.
        * calls.c (expand_call): Call it.

2005-08-03  Eric Christopher  <echristo@apple.com>

        * gcc.c (LINK_SSP_SPEC): Add fstack-protector-all.
        * config/darwin.h (LINK_COMMAND_SPEC): Add link_ssp
        spec.

2005-08-04  Jan Hubicka  <jh@suse.cz>

        * profile.c (branch_prob): Split edges with goto locus on them
        to get proper line counts.
        * tree-cfg.c (make_cond_expr_edges): Record user goto locuses, if any.

2005-08-03  Paul Brook  <paul@codesourcery.com>

        * function.c (assign_parms): Round current_function_args_size
        to PARM_BOUNDARY, not STACK_BOUNDARY.

2005-08-03  Geoffrey Keating  <geoffk@apple.com>

        * config/i386/i386.c (x86_elf_aligned_common)
        (x86_output_aligned_bss): Don't try to use symbols that aren't defined.

2005-08-03  Zdenek Dvorak  <dvorakz@suse.cz>

        PR tree-optimization/23157
        * tree-scalar-evolution.c (scev_const_prop): Unshare trees
        before emitting them.

2005-08-03  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>

        PR tree-optimization/19899
        * Makefile.in (tree-scalar-evolution.o): Add real.h.
        * tree-scalar-evolution.c: Include real.h.
        (add_to_evolution): Build constant -1 of correct type.

2005-08-03  Jan Hubicka  <jh@suse.cz>

        * cfgloop.h (DLTHE_FLAG_COMPLETTE_PEEL): New flag.
        * cfgloopmanip.c (duplicate_loop_to_header_edge): Special case
        profile updating for complette unrolling.
        * loop-unroll.c (peel_loop_completely): Use it.
        * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Likewise.
        (tree_unroll_loops_completely): Disable code growing unrolling of cold
        loops.

2005-08-03  Paul Brook  <paul@codesourcery.com>

        * combine.c (can_change_dest_mode): New function.
        (try_combine, simplify_set): Use it.

2005-08-03  Eric Botcazou  <ebotcazou@adacore.com>

        * config/ia64/hpux.h (MEMBER_TYPE_FORCES_BLK): Only force
        TFmode to BLKmode.

2005-08-03  Gerald Pfeifer  <gerald@pfeifer.com>

        * doc/install.texi (Specific): Adjust link to openavr.org.
        (Specific): Remove broken reference to GCC 2.8.1 for OS/2.
        (Binaries): Adjust HP-UX Porting Center link.
        (Binaries): Adjust Free Software Foundation ordering link.

2005-08-03  Andrew Pinski  <pinskia@physics.uc.edu>

        * convert.c (convert_to_integer): Use fold_build1 instead of
        build1 when converting an integer to an integer.

2005-08-02  Richard Henderson  <rth@redhat.com>

        * combine.c (combine_instructions): Don't use reg_equal/equiv
        results if the mode doesn't match.

2005-08-02  Mark Mitchell  <mark@codesourcery.com>

        * config/i386/t-mingw32 (NATIVE_SYSTEM_HEADER_DIR): Set it.
        * doc/fragments.texi (NATIVE_SYSTEM_HEADER_DIR): Document it.

2005-08-02  Richard Henderson  <rth@redhat.com>

        PR 23196
        * explow.c (memory_address): Remove special-case for
        virtual_stack_vars_rtx and virtual_incoming_args_rtx.

2005-08-02  Diego Novillo  <dnovillo@redhat.com>

        PR 23164
        * tree-cfgcleanup.c (cleanup_tree_cfg): Do not limit the
        number of calls to cleanup_tree_cfg_1.

2005-08-02  Martin Reinecke  <martin@mpa-garching.mpg.de>

        * doc/invoke.texi: document file extensions .F90 and .F95

2005-08-02  Richard Guenther  <rguenther@suse.de>

        * fold-const.c (tree_expr_nonnegative_p): frexp(x, &e) is
        positive if its first argument is positive.

2005-08-02  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/23177
        * tree-ssa-operands.c (get_tmr_operands): Use get_expr_operands
        on TMR_TAG.

2005-08-02  James A. Morrison  <phython@gcc.gnu.org>

        PR tree-optimization/23129
        * tree-vrp.c (extract_range_from_binary_expr): Set value range to
        varying for divisions with anti-ranges.

2005-08-02  Jan Hubicka  <jh@suse.cz>

        * tree-ssa-dom.c (thread_across_edge): Remove updating here.
        * tree-ssa-threadupdate.c (thread_block): Add it here.

2005-08-01  James E Wilson  <wilson@specifix.com>

        * config/mips/mips.c (mips_encode_section_info, mips_attribute_table,
        TARGET_ENCODE_SECTION_INFO, TARGET_ATTRIBUTE_TABLE): New.
        * config/mips/mips.h (SYMBOL_FLAG_LONG_CALL, SYMBOL_REF_LONG_CALL_P):
        New.
        * config/mips/predicates.md (const_call_insn_operand): Add check for
        SYMBOL_REF_LONG_CALL_P.
        * doc/extend.texi (long_call): Document the new attribute.

2005-08-01  Ian Lance Taylor  <ian@airs.com>
            Richard Henderson  <rth@redhat.com>

        * Makefile.in (RTL_BASE_H): Add real.h.
        * real.h (REAL_VALUE_FROM_CONST_DOUBLE): Use structure copy
        instead of memcpy.
        * emit-rtl.c (const_double_from_real_value): Likewise; use rtx.u.rv
        directly.
        * rtl.c (rtl_check_failed_code_mode): New.
        * rtl.h (struct rtx_def): Add u.rv.
        (XCMWINT, XCNMPRV): New.
        (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH): Use XCMWINT.
        (CONST_DOUBLE_REAL_VALUE): Use XCNMPRV; constify.

2005-08-01  Richard Henderson  <rth@redhat.com>

        * dwarf2out.c (mem_loc_descriptor): Use XEXP, not SUBREG_REG,
        with auto-inc codes.

        * config/alpha/predicates.md (and_operand): Test mode of CONST_DOUBLE.

2005-08-01  Jan Hubicka  <jh@suse.cz>

        * i386-protos.h (asm_preferred_eh_data_format): Declare.
        * i386.c: Include dwarf2.h
        (asm_preferred_eh_data_format): New.
        * i386.h (ASM_PREFERRED_EH_DATA_FORMAT): Move offline.

2005-08-01  Ian Lance Taylor  <ian@airs.com>

        * config/host-linux.c (linux_gt_pch_get_address): Add new name
        randomize_va_space for virtual address randomization control.

2005-08-01  Steven Bosscher  <stevenb@suse.de>

        * common.opt (flag_ipa_cp): Put in right place to maintain
        alphabetic sort.

2005-08-01  Jan Hubicka  <jh@suse.cz>

        * profile.c (compute_value_histograms): Fix thinko.
        * value-prof.c: Include toplev.h
        (check_counter): New function.
        (tree_divmod_fixed_value_transform, tree_mod_pow2_value_transform,
        tree_mod_subtract_transform): Add sanity check.

2005-08-01  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/23133
        * tree-ssa-math-opts.c (execute_cse_reciprocals): Walk
        current functions parameter decls to find defs to cse
        reciprocals of.

2005-08-01  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/23109
        * tree-ssa-math-opts.c (execute_cse_reciprocals_1):
        If trapping math is in effect, use post-dominator information
        to check if we'd in any case reach a trapping point before
        doing the reciprocal insertion.
        (execute_cse_reciprocals): Compute post-dominators, if necessary.
        * tree-ssa-loop-im.c (determine_invariantness_stmt): RDIV
        expressions are invariant only if trapping math is not in effect.

2005-08-01  Razya Ladelsky  <razya@il.ibm.com>

        * cgraph.h (update_call_expr, cgraph_copy_node_for_versioning,
        cgraph_function_versioning): New declarations.
        * cgraphunit.c: Add include to ipa-prop.h.
        (update_call_expr, cgraph_copy_node_for_versioning,
        cgraph_function_versioning): New functions.
        * integrate.c (copy_decl_for_inlining): Remove.
        * ipa-prop.h (ipa_replace_map): New struct.
        (struct ipa_node): Add ipcp_orig_node, count_scale, new fields.
        * ipa-cp.c (ipcp_method_orig_node, ipcp_method_is_cloned,
        ipcp_method_set_orig_node, ipcp_cloned_create, ipcp_method_get_scale,
        ipcp_method_set_scale, ipcp_method_compute_scale, ipcp_after_propagate,
        ipcp_iterate_stage, ipcp_method_scale_print,
        ipcp_profile_mt_count_print, ipcp_profile_cs_count_print,
        ipcp_profile_edge_print, ipcp_profile_bb_print , ipcp_profile_print,
        ipcp_replace_map_create, ipcp_redirect, ipcp_update_callgraph,
        ipcp_update_bb_counts, ipcp_update_profiling,
        ipcp_update_edges_counts): New functions.
        (ipcp_method_cval_init): Remove restriction regarding local methods.
        (ipcp_init_stage): Add ipcp_method_compute_scale.
        (ipcp_insert_stage): Add versioning.
        (ipcp_structures_print): Add ipcp_method_scale_print.
        (ipcp_driver): Dump profiling info.
        * Makefile.in: Remove integrate.h dependency from tree-inline.o.
        Add ipa-prop.h dependency to tree-inline.o and cgraphunit.o.
        * tree-inline.c: Remove include to integrate.h, Add include ipa-prop.h.
        (struct inline_data): Add versioning_p, ipa_info, new fields.
        (remap_decl, mark_local_for_remap_r, setup_one_parameter,
        declare_return_variable): Replace calls to copy_decl_for_inlining with
        copy_decl_for_dup.
        (copy_body_r, copy_bb, copy_cfg_body, copy_tree_r, inlining_p): Add
        versioning support.
        (copy_decl_for_dup): Rename from copy_decl_for_inlining.
        Add argument VERSIONING.
        (copy_arguments_for_versioning, copy_static_chain,
        function_versionable_p, tree_versionable_function_p,
        tree_function_versioning, replace_ref_tree): New functions.
        * tree-inline.h: Include varray.h.
        (tree_versionable_function_p,  tree_function_versioning,
        tree copy_decl_for_dup): New declarations.

2005-08-01  Razya Ladelsky  <razya@il.ibm.com>

        * ipa-cp.c: New file. Contains IPCP specific functionality.
        * ipa-prop.h: New file. Contains structures/definitions that can be
        used by several interprocedural data flow optimizations (and also IPCP).
        * ipa-prop.c: New file.
        * Makefile.in: Add ipa-cp.c, ipa-prop.h, ipa-prop.c.
        * common.opt: Add ipa-cp flag.
        * timevar.def: Add IPCP optimization.
        * tree-optimize.c (init_tree_optimization_passes): Schedule
        pass_ipa_cp.
        * tree-pass.h (pass_ipa_cp): Declare.

2005-08-01  Kazu Hirata  <kazu@codesourcery.com>

        * dwarf2out.c, fold-const.c, ipa-type-escape.c,
        loop-invariant.c, predict.c, predict.def, reload1.c, reorg.c,
        tree-sra.c, config/arm/arm.c, config/crx/crx.c,
        config/i386/i386.c, config/mips/mips.h,
        config/rs6000/rs6000.h, config/sh/sh.c,
        config/stormy16/stormy16.c: Fix comment typos.

2005-08-01  Joseph S. Myers  <joseph@codesourcery.com>

        PR c/22311
        * c-typeck.c (build_binary_op): Use common_type wrapper on
        shortened types.
        (common_type): Update comment.

2005-07-31  Steven Bosscher  <stevenb@suse.de>

        PR target/23095
        * common.opt (flag_gcse_after_reload): Don't initialize to 2.
        (flag_rerun_cse_after_loop): Initialize this to 2 instead.
        * postreload-gcse.c (hash_scan_set): Do not consider stack regs.

2005-07-31  Jan Hubicka  <jh@suse.cz>

        * pretty-print.h (pp_widest_integer): New macro.
        * tree-pretty-print.c (dump_bb_header): Print BB frequencies and
        counts.

2005-07-31  Jan Hubicka  <jh@suse.cz>

        * output.h (enum section_category): Export from varasm.c
        (categorize_decl_for_section): Likewise.
        * varasm.c (enum section_category): Kill.
        (categorize_decl_for_section): Make global.
        * i386-protos.h (x86_output_aligned_bss, x86_elf_aligned_common):
        Declare.
        * i386.c (ix86_section_threshold): New static variable.
        (ix86_in_large_data_p, ix86_encode_section_info,
        x86_64_elf_unique_section,
        x86_64_elf_select_section): New functions.
        (TARGET_ENCODE_SECTION_INFO): Define
        (override_options): Enable medium model for PIC.
        (ix86_expand_prologue): Expand gen_set_got_rex64.
        (legitimate_constant_p): Handle new UNSPECs.
        (legitimate_pic_address_disp_p): Likewise.
        (legitimize_pic_address): Lower MEDIUM model addressing.
        * i386.h (PIC_OFFSET_TABLE_REGNUM): Set for medium model PIC.
        (enum cmodel): Add MEDIUM_PIC.
        (SYMBOL_REF_FAR_ADDR_P): New macro.
        (SYMBOL_FLAG_FAR_ADDR): New flag.
        * i386.md (movdi): Support medium model.
        (set_got_rex64): New pattern.
        * i386.opt (mlarge-data-threshold): New flag.
        * predicates.md (zext_operand/sext_operand): Deal with medium model.
        * x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Use x86_output_aligned_bss.
        (ASM_OUTPUT_ALIGNED_COMMON, TARGET_ASM_SELECT_SECTION,
        TARGET_ASM_UNIQUE_SECTION): New.

        * invoke.texi (-mlarge_data_threshold): Document

2005-07-31  Jan Hubicka  <jh@suse.cz>

        * tree-outof-ssa.c (coalesce_ssa_name): Use coalesce_cost.
        (coalesce_vars): Likewise.
        * tree-ssa-live.c (coalesce_cost): New.
        (build_tree_conflict_graph): Use coalesce_cost.
        * tree-ssa-live.h (coalesce_cost): Declare.

2005-07-30  Richard Earnshaw  <richard.earnshaw@arm.com>

        * arm.md (all peepholes for post-increment operations): Delete.
        (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec)
        (loadqisi_preinc, loadqisi_predec, strsi_preinc, strsi_predec)
        (loadsi_preinc, loadsi_predec, strqi_shiftpreinc, strqi_shiftpredec)
        (loadqi_shiftpreinc, loadqi_shiftpredec, strsi_shiftpreinc)
        (strsishift_predec, loadsi_shiftpreinc, loadsi_shiftpredec): Delete.

2005-07-30  James A. Morrison  <phython@gcc.gnu.org>

        * fold-const.c (tree_expr_nonnegative_p): Always return true for
        non-integral types.

2005-07-29  Wolfgang Bangerth <bangerth@dealii.org>

        PR target/22582
        * doc/invoke.texi: Document -rdynamic.

2005-07-30  Joseph S. Myers  <joseph@codesourcery.com>

        PR c/23143
        * c-parser.c (c_parser_parms_list_declarator): Call
        mark_forward_parm_decls.
        * c-decl.c (merge_decls): Only check DECL_IN_SYSTEM_HEADER for
        decls with visibility structure.

2005-07-30  Paul Brook  <paul@codesourcery.com>

        * config/arm/arm.c (arm_coproc_mem_operand): Fix inaccurate comment.

2005-07-30  Paul Brook  <paul@codesourcery.com>

        * config/arm/arm-protos.h (arm_canonicalize_comparison): Update
        prototype.
        * config/arm/arm.c (arm_canonicalize_comparison): Use correct limit
        value for mode.
        * config/arm/arm.h (CANONICALIZE_COMPARISON): Pass mode argument.

2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>

        PR c/529
        * c-decl.c (warn_if_shadowing): Don't check for PARM_DECL in
        nested function declarators.
        (pushdecl): Don't call warn_if_shadowing for PARM_DECL.
        (grokparms): Call warn_if_shadowing for parameters used within the
        parameter list.
        (store_parm_decls_newstyle): Call warn_if_shadowing for parameters
        not used within the parameter list.
        (store_parm_decls_oldstyle): Call warn_if_shadowing for parameters.

2005-07-30  Jan Hubicka  <jh@suse.cz>

        * expr.c (expand_expr_real_1): Do not load mem targets into register.
        * i386.c (ix86_fixup_binary_operands): Likewise.
        (ix86_expand_unary_operator): Likewise.
        (ix86_expand_fp_absneg_operator): Likewise.
        * optabs.c (expand_vec_cond_expr): Validate dest.

2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>

        PR c/21720
        * real.c (real_from_string): Also set last bit if there is a
        nonzero hex digit beyond GCC's internal precision after ".".

2005-07-29  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/altivec.md: Convert UNSPEC numerical values to
        define_constants.  Change duplicate values to unassigned numbers.
        Change UNSPEC_SUBS to UNSPEC_VSUBS.
        (*altivec_vspltsf): New.
        (altivec_vperm_v4sf): Delete.
        (altivec_vperm_<mode>): Use mode macro V.
        (altivec_vsldoi_<mode>): Convert to mode macro pattern.
        (altivec_predicate_v4sf): Delete.
        (altivec_predicate_<mode>): Use mode macro V.
        (*altivec_lvesfx): New.
        (*altivec_stvesfx): New.
        (vec_realign_load_v4sf): Delete.
        (vec_realign_load_<mode>): Use mode macro V.
        * config/rs6000/rs6000.c (generate_set_vrsave): Use
        UNSPECV_SET_VRSAVE.

2005-07-29  Mark Mitchell  <mark@codesourcery.com>

        PR bootstrap/23131
        * configure.ac (SYSTEM_HEADER_DIR): Avoid setting to empty
        string.
        * configure: Regenerated.

2005-07-29  Paul Brook  <paul@codesourcery.com>

        * doc/install.texi: Add link to GFortran binaries wiki page.

2005-07-29  David Ung  <davidu@mips.com>

        * config/mips/mips.c (mips_cpu_info_table): Add 5kf to the table.
        (mips_rtx_cost_data): Add costs for 5kc and 5kf.
        * config/mips/mips.h (processor_type): Add PROCESSOR_5KF.
        * config/mips/mips.md (cpu): Add 5kf name.
        (includes): Includes 5k.md.
        * config/mips/5k.md: New DFA pipeline for the 5kc/5kf.
        * doc/invoke.texi (MIPS Options): Updated cpu name supported with
        -march flag.

2005-07-29  Diego Novillo  <dnovillo@redhat.com>

        PR 22550
        * tree-cfgcleanup.c (cleanup_tree_cfg_1): Extract from ...
        (cleanup_tree_cfg): ... here.
        Call cleanup_tree_cfg_1 until there are no more cleanups to
        do.

2005-07-29  James A. Morrison  <phython@gcc.gnu.org>

        * tree-vrp.c (compare_range_with_value): Return true or false
        for ~[VAL_1, VAL_2] OP VAL if VAL_1 <= VAL <= VAL_2 for NE_EXPR and
        EQ_EXPR respectively.

2005-07-29  Kazu Hirata  <kazu@codesourcery.com>

        * cfg.c, tree-complex.c, config/frv/frv.c, config/i386/i386.c:
        Fix comment typos.

2005-07-29  Diego Novillo  <dnovillo@redhat.com>

        * tree-ssa-dom.c (struct opt_stats_d): Add field num_iterations.
        (tree_ssa_dominator_optimize): Increment it.
        (dump_dominator_optimization_stats): Print it.

2005-07-29  Richard Earnshaw  <richard.earnshaw@arm.com>
            Steven Bosscher  <stevenb@suse.de>

        PR