Daily bump.

From-SVN: r173747

Fix bug with multiple results returning structs with invalid sizes.

* go-gcc.cc (Gcc_backend::function_type): When building a struct
for multiple results, check that all fields types have a size.
(Gcc_backend::placeholder_pointer_type): Permit name to be empty.

From-SVN: r173742

re PR c++/48969 (ICE with -std=c++0x)

PR c++/48969
* pt.c (deduction_tsubst_fntype): New.
(fn_type_unification): Use it.

From-SVN: r173741

call.c (build_op_call): Use timevar_cond_start/stop.

* call.c (build_op_call): Use timevar_cond_start/stop.
(build_user_type_conversion): Likewise.

From-SVN: r173740

ipa-prop.c (ipa_cst_from_jfunc): New function.

2011-05-13  Martin Jambor  <mjambor@suse.cz>

* ipa-prop.c (ipa_cst_from_jfunc): New function.
* ipa-prop.h (ipa_cst_from_jfunc): Declare.
* ipa-inline-analysis.c (evaluate_conditions_for_edge): Use it.
(evaluate_conditions_for_ipcp_clone): Removed.
(estimate_ipcp_clone_size_and_time): Accept vector of known constants.
* ipa-cp.c (ipcp_estimate_growth): Build vector of known constants.
* ipa-inline.h (estimate_ipcp_clone_size_and_time): Update.

From-SVN: r173739

re PR fortran/48972 (OPEN with Unicode file name)

2011-05-13  Tobias Burnus  <burnus@net-b.de>

        PR fortran/48972
        PR fortran/48991
        * gfortran.dg/assign_8.f90: Update dg-error.

From-SVN: r173738

cfgrtl.c (cfg_layout_redirect_edge_and_branch): Adjust dump message.

* cfgrtl.c (cfg_layout_redirect_edge_and_branch): Adjust dump message.
* regcprop.c (copyprop_hardreg_forward): Test MAY_HAVE_DEBUG_INSNS in
lieu of MAY_HAVE_DEBUG_STMTS.
* tree-cfgcleanup.c (remove_forwarder_block): Do not attempt to move
debug statements if !MAY_HAVE_DEBUG_STMTS.

From-SVN: r173737

re PR fortran/48972 (OPEN with Unicode file name)

2011-05-12  Tobias Burnus  <burnus@net-b.de>

        PR fortran/48972
        * io.c (resolve_tag_format, resolve_tag): Make sure
        that the string is of default kind.
        (gfc_resolve_inquire): Also resolve decimal tag.

2011-05-12  Tobias Burnus  <burnus@net-b.de>

        PR fortran/48972
        * gfortran.dg/io_constraints_8.f90: New.
        * gfortran.dg/io_constraints_9.f90: New.

From-SVN: r173736

re PR gcov-profile/47793 (Relative path in fprofile-use turns into absolute path)

2011-05-13  Martin Thuresson  <martint@google.com>

PR gcov-profile/47793
* libgcov.c (gcov_exit): Support relative profile paths.
* doc/invoke.texi (-fprofile-dir): Update for above change.

2011-05-13  Martin Thuresson  <martint@google.com>

PR gcov-profile/47793
* gcc.dg/pr47793.c: New.

From-SVN: r173735

gimple.c (gimple_canonical_types_compatible_p): Do not use type-pair caching, do not compare hashes.

2011-05-13  Richard Guenther  <rguenther@suse.de>

* gimple.c (gimple_canonical_types_compatible_p): Do not use
type-pair caching, do not compare hashes.

From-SVN: r173734

Change edge_to_cases_cleanup to return true.

2011-05-13  Nathan Froyd  <froydnj@codesourcery.com>

PR middle-end/48965
* tree-cfg.c (edge_to_cases_cleanup): Return true.
(verify_expr) [CASE_LABEL_EXPR]: Add checking.

From-SVN: r173733

gimplify.c (gimplify_expr): Make sure operand is boolified.

2011-05-13  Kai Tietz  <ktietz@redhat.com>

        * gimplify.c (gimplify_expr): Make sure operand is boolified.
        * tree-cfg.c (verify_gimple_assign_unary): Check for boolean
        compatible type for TRUTH_NOT_EXPR.

From-SVN: r173732

Change ix86_save_reg/ix86_hard_regno_mode_ok to return bool.

2011-05-13  H.J. Lu  <hongjiu.lu@intel.com>

* config/i386/i386.c (ix86_save_reg): Change return type to
bool.
(ix86_hard_regno_mode_ok): Change return value to bool.  Use
can_create_pseudo_p ().

From-SVN: r173731

re PR lto/48978 (excessive hash table allocation for large lto build)

2011-05-13  Richard Guenther  <rguenther@suse.de>

PR lto/48978
* gimple.c (iterative_hash_gimple_type): Revert change in
pointer target and function result and argument hashing.

From-SVN: r173730

i386.md (*movxf_internal): Use !can_create_pseudo ().

* config/i386/i386.md (*movxf_internal): Use !can_create_pseudo ().
(*movxf_internal_nointeger): Ditto.
(*movdf_internal_rex64): Ditto.
(*movdf_internal): Ditto.
(*movdf_internal_nointeger): Ditto.
(*movsf_internal): Ditto.
(sincos splitters): Use can_create_pseudo ().

From-SVN: r173729

i386-opts.h: New.

* config/i386/i386-opts.h: New.
* gcc/config/i386/i386.c (stringop_alg, ix86_cmodel,
ix86_asm_dialect, ix86_regparm, ix86_abi, ix86_branch_cost,
ix86_section_threshold): Remove.
(ix86_handle_option): Move MAX_CODE_ALIGN define here.  Handle
OPT_malign_loops_, OPT_malign_jumps_, OPT_malign_functions_ and
OPT_mbranch_cost_.
(ix86_option_override_internal): Don't decode strings for options
other than -march=, -mtune= and -mfpmath=.  Don't allow for
__attribute__ uses in remaining diagnostics for options with
string arguments.  Don't check for integer arguments being
negative.
* gcc/config/i386/i386.h (enum stringop_alg, enum calling_abi,
enum tls_dialect, enum cmodel, enum asm_dialect): Move to
i386-opts.h.
(ix86_abi, ix86_tls_dialect, ix86_cmodel, ix86_asm_dialect,
ix86_branch_cost, ix86_section_threshold): Remove.
* gcc/config/i386/i386.opt (config/i386/i386-opts.h): New
HeaderInclude.
(malign-functions=, malign-jumps=, malign-loops=): Use UInteger
but not Var.
(masm=): Use Enum and Init.
(asm_dialect): New Enum and EnumValue entries.
(mbranch-cost=): Use UInteger.
(mlarge-data-threshold=): Use UInteger and Init.
(mcmodel=): Use Enum and Init.
(cmodel): New Enum and EnumValue entries.
(mpc): Replace with separate mpc32, mpc64 and mpc80 entries.
(mpreferred-stack-boundary=, mincoming-stack-boundary=,
mregparm=): Use UInteger.
(mstringop-strategy=): Use Enum and Init.
(stringop_alg): New Enum and EnumValue entries.
(mtls-dialect=): Use Enum and Init.
(tls_dialect): New Enum and EnumValue entries.
(mabi=): Use Enum and Init.
(calling_abi): New Enum and EnumValue entries.
(mveclibabi=): Use Enum and Init.
(ix86_veclibabi): New Enum and EnumValue entries.

From-SVN: r173728

rx.md (mov expander): Fix use of rx_legitimate_constant_p.

* config/rx/rx.md (mov expander): Fix use of
rx_legitimate_constant_p.
* config/rx/rx-protos.h (rx_legitimate_constant_p): Rename
prototype.

From-SVN: r173727

re PR middle-end/48984 (Many testsuite failures)

2011-05-13  Kai Tietz  <ktietz@redhat.com>

        PR middle-end/48984
        * gimplify.c (gimplify_expr): Check for boolean_type_node instead
        for BOOLEAN_TYPE for TRUTH-NOT/AND/OR/XOR.
        (gimple_boolify): Check for cast for boolean_type_node instead for
        BOOLEAN_TYPE.

From-SVN: r173726

re PR tree-optimization/48172 (incorrect vectorization of loop in GCC 4.5.* with -O3)

2011-05-13  Richard Guenther  <rguenther@suse.de>

PR tree-optimization/48172
* tree-vect-loop-manip.c (vect_vfa_segment_size): Avoid
multiplying by number of iterations for equal step.
(vect_create_cond_for_alias_checks): Likewise.

From-SVN: r173725

configure.ac: Use AS_HELP_STRING throughout.

* configure.ac: Use AS_HELP_STRING throughout.
* configure: Regenerate.

From-SVN: r173724

objc-next-runtime-abi-02.c (newabi_append_ro): Add const qualifier to constant variable pointer declaration.

2011-05-13  Toon Moene  <toon@moene.org>

* objc-next-runtime-abi-02.c (newabi_append_ro):
Add const qualifier to constant variable pointer declaration.

From-SVN: r173723

Daily bump.

From-SVN: r173722

Change maybe_eh_return to bool.

2011-05-12  H.J. Lu  <hongjiu.lu@intel.com>

* config/i386/i386.c (ix86_save_reg): Change maybe_eh_return
to bool.
(ix86_emit_restore_regs_using_mov): Likewise.
(ix86_emit_restore_sse_regs_using_mov): Likewise.

From-SVN: r173716

Fix missing file name in changelog

From-SVN: r173715

sparc.h (REG_OK_FOR_INDEX_P, [...]): Remove.

* config/sparc/sparc.h (REG_OK_FOR_INDEX_P, REG_OK_FOR_BASE_P,
SYMBOLIC_CONST, RTX_OK_FOR_BASE_P, RTX_OK_FOR_INDEX_P): Remove.
(RTX_OK_FOR_OFFSET_P, RTX_OK_FOR_OLO10_P): Move to...
* config/sparc/sparc.c (RTX_OK_FOR_OFFSET_P,
RTX_OK_FOR_OLO10_P): ...here.
(sparc_mode_dependent_address_p): Use symbolic_operand instead of
SYMBOLIC_CONST.

From-SVN: r173714

Fix bug with taking address of a variable when address does not escape.

* go-gcc.cc (Gcc_backend::local_variable): Add is_address_taken
parameter.
(Gcc_backend::parameter_variable): Likewise.

From-SVN: r173712

gimplify.c (gimple_boolify): Re-boolify expression arguments even if expression type is of kind BOOLEAN_TYPE.

2011-05-12  Kai Tietz  <ktietz@redhat.com>

* gimplify.c (gimple_boolify): Re-boolify expression
arguments even if expression type is of kind BOOLEAN_TYPE.
(gimplify_boolean_expr): Removed.
(gimplify_expr): Boolify truth opcodes AND, ANDIF, OR, ORIF,
and XOR. Additional take care that we keep expression's type.
* tree-cfg.c (verify_gimple_assign_binary): Adjust check for type
of TRUTH_AND|OR|XOR_EXPR.

From-SVN: r173711

re PR tree-optimization/48975 (ICE in execute_cse_reciprocals() with -fno-tree-slp-vectorize)

PR tree-optimization/48975
* tree-if-conv.c (combine_blocks): Call free_bb_predicate
on all bbs here and free and clear ifc_bbs at the end.

* gcc.dg/pr48975.c: New test.

From-SVN: r173709

re PR fortran/48972 (OPEN with Unicode file name)

2011-05-12  Tobias Burnus  <burnus@net-b.de>

        PR fortran/48972
        * resolve.c (resolve_intrinsic): Don't resolve module
        intrinsics multiple times.

2011-05-12  Tobias Burnus  <burnus@net-b.de>

        PR fortran/48972
        * gfortran.dg/iso_c_binding_compiler_3.f90: New.

From-SVN: r173708

cp-tree.h (DECL_DEFERRED_CONSTEXPR_CHECK): New.

* cp-tree.h (DECL_DEFERRED_CONSTEXPR_CHECK): New.
* semantics.c (validate_constexpr_fundecl): Set it.
(check_deferred_constexpr_decls): Clear it.
(register_constexpr_fundef): Make sure it isn't set.
* decl.c (grok_special_member_properties): Check it.

From-SVN: r173707

trans.c (call_to_gnu): In the by-reference case...

* gcc-interface/trans.c (call_to_gnu): In the by-reference case, if the
type of the parameter is an unconstrained array, convert the actual to
the type of the formal in the In Out and Out cases as well.

From-SVN: r173706

gimple.c (gtc_visit): Compare TREE_ADDRESSABLE, handle NULLPTR_TYPE similar to VOID_TYPE.

2011-05-12  Richard Guenther  <rguenther@suse.de>

* gimple.c (gtc_visit): Compare TREE_ADDRESSABLE, handle
NULLPTR_TYPE similar to VOID_TYPE.  Defer type-leader lookup
until after simple checks.
(gimple_types_compatible_p): Likewise.
(iterative_hash_gimple_type): Always hash pointer targets
and function return and argument types.
(iterative_hash_canonical_type): Do not hash TYPE_QUALS,
hash TYPE_ALIGN.  Do not hash TYPE_MIN/MAX_VALUE.
(gimple_canonical_types_compatible_p): Compare TREE_ADDRESSABLE,
handle NULLPTR_TYPE similar to VOID_TYPE.  Handle non-aggregates
completely in the simple compare section.
(gimple_register_canonical_type): Query the cache again after
registering.

From-SVN: r173704

re PR tree-optimization/48172 (incorrect vectorization of loop in GCC 4.5.* with -O3)

2011-05-12  Richard Guenther  <rguenther@suse.de>

PR tree-optimization/48172
* tree-vect-loop-manip.c (vect_vfa_segment_size): Do not exclude
the number of iterations from the segment size calculation.
(vect_create_cond_for_alias_checks): Adjust.

* gcc.dg/vect/pr48172.c: New testcase.

From-SVN: r173703

re PR debug/48967 (ICE during use_narrower_mode)

PR debug/48967
* var-tracking.c (use_narrower_mode_test) <case REG>: Return 1
if validate_subreg fails.

* g++.dg/opt/pr48967.C: New test.

From-SVN: r173701

re PR lto/48952 (ICE in inline_merge_summary during linux kernel LTO build)

PR lto/48952
* lto.c (do_whole_program_analysis): Do not register cgraph hooks.

From-SVN: r173700

ira.c (clarify_prohibited_class_mode_regs): Prevent the function from accessing beyond the end of REGNO_REG_CLASS array by...

         * ira.c (clarify_prohibited_class_mode_regs): Prevent the function from
          accessing beyond the end of REGNO_REG_CLASS array by stopping the
          loop early.

From-SVN: r173699

* zh_CN.po: Update.

From-SVN: r173697

(rx_builtins): New arrays - holds builtin functions.

(ADD_RX_BUILTIN1, ADD_RX_BUILTIN2, ADD_RX_BUILTIN3): Install
created builtin into rx_builtins array.
(rx_builtin_decl): New function.
(TARGET_BUITLIN_DECL): Define.
Include gt-rx.h.

Co-Authored-By: Nick Clifton <nickc@redhat.com>
From-SVN: r173696

rx.h (HAVE_PRE_DECREMENT): Fix typo.

* config/rx/rx.h (HAVE_PRE_DECREMENT): Fix typo.
* config/rx/rx.c (CC_FLAG_FP): Fix comment.
(rx_is_legitimate_address): Add pre-decrement and post-increment
addressing in HImode and QImode.  Fix test for out of range
REG+INT addressing.
(rx_legitimate_constant_p): Rename ro rx_is_legitimate_constant.
(rx_align_for_label): Test label before extracting its usage
count.
(rx_adjust_insn_lengths): Fix selection of insn codes.
(TARGET_LEGITIMNATE_CONSTANT_P): Use renamed function.

Co-Authored-By: Nick Clifton <nickc@redhat.com>
From-SVN: r173695

* tree.c (type_hash_canon): Use struct tree_type_non_common.

From-SVN: r173692

Daily bump.

From-SVN: r173691

No gcc/ prefix in gcc/ChangeLog.

From-SVN: r173686

cfgrtl.c (commit_one_edge_insertion): Remove always-true test and reindent the subsequent block.

* cfgrtl.c (commit_one_edge_insertion): Remove always-true test and
reindent the subsequent block.

From-SVN: r173685

overloads_c++0x_neg.cc: Use dg-require-cmath.

2011-05-11  Paolo Carlini  <paolo.carlini@oracle.com>

* testsuite/26_numerics/headers/cmath/overloads_c++0x_neg.cc: Use
dg-require-cmath.
* testsuite/tr1/8_c_compatibility/cmath/overloads_neg.cc: Likewise.

From-SVN: r173684

re PR c++/48948 ([C++0x] constexpr friend function cannot be defined in-class)

PR c++/48948
* semantics.c (validate_constexpr_fundecl): Defer checking if
an argument type is being defined.
(is_valid_constexpr_fn): Add defer_ok parm.
(cxx_eval_call_expression): Adjust.
(check_deferred_constexpr_decls): New.
(literal_type_p): Make sure type isn't being defined.
(ensure_literal_type_for_constexpr_object): Handle type being defined.
* cp-tree.h: Declare check_deferred_constexpr_decls.
* decl.c (grokfndecl): Call validate_constexpr_fundecl here.
(start_preparsed_function, cp_finish_decl): Not here.
* class.c (finalize_literal_type_property): Don't call
validate_constexpr_fundecl.
(finish_struct): Call check_deferred_constexpr_decls.
* pt.c (tsubst_decl): Call validate_constexpr_fundecl.
(instantiate_class_template): Call check_deferred_constexpr_decls.

From-SVN: r173683

semantics.c (validate_constexpr_fundecl): Check DECL_TEMPLATE_INFO rather than DECL_TEMPLATE_INSTANTIATION.

* semantics.c (validate_constexpr_fundecl): Check DECL_TEMPLATE_INFO
rather than DECL_TEMPLATE_INSTANTIATION.
(cxx_eval_call_expression): Likewise.

From-SVN: r173682

semantics.c (register_constexpr_fundef): Add to hash table here.

* semantics.c (register_constexpr_fundef): Add to hash table here.
(validate_constexpr_fundecl): Not here.

From-SVN: r173681

* decl.c (grokdeclarator): Only set DECL_DECLARED_CONSTEXPR_P once.

From-SVN: r173680

pt.c (build_non_dependent_expr): Don't check null_ptr_cst_p, do call maybe_constant_value in C++0x mode.

* pt.c (build_non_dependent_expr): Don't check null_ptr_cst_p,
do call maybe_constant_value in C++0x mode.
* semantics.c (cxx_eval_constant_expression): Handle TEMPLATE_DECL.

From-SVN: r173679

re PR c++/48745 ([C++0x] Segmentation fault with list-initialization, void initializers and variadics)

PR c++/48745
* pt.c (value_dependent_expr_p): Handle CONSTRUCTOR.

From-SVN: r173678

re PR fortran/48889 (f951: internal compiler error: in gfc_is_constant_expr, at fortran/expr.c:906)

2011-05-11  Tobias Burnus  <burnus@net-b.de>

        PR fortran/48889
        * expr.c (gfc_is_constant_expr): Use e->value.function.esym
        instead of e->symtree->n.sym, if available.

2011-05-11  Tobias Burnus  <burnus@net-b.de>

        PR fortran/48889
        * gfortran.dg/generic_24.f90: New.

From-SVN: r173674

Permit new of a function type.

From-SVN: r173672

Don't crash ranging over call to builtin function.

From-SVN: r173671

hash_load_check_resize_trigger_imp.hpp (assert_valid): Replace _GLIBCXX_DEBUG_ASSERT calls with PB_DS_DEBUG_VERIFY.

2011-05-11  François Dumont  <francois.cppdevs@free.fr>

        * include/ext/pb_ds/detail/resize_policy/
        hash_load_check_resize_trigger_imp.hpp (assert_valid): Replace
        _GLIBCXX_DEBUG_ASSERT calls with PB_DS_DEBUG_VERIFY.
        * include/ext/pb_ds/detail/binomial_heap_base_/erase_fn_imps.hpp,
        find_fn_imps.hpp, insert_fn_imps.hpp, binomial_heap_base_.hpp,
        constructors_destructor_fn_imps.hpp, split_join_fn_imps.hpp
        (PB_DS_ASSERT_VALID): Rename in PB_DS_ASSERT_VALID_COND.
        * include/ext/pb_ds/detail/debug_map_base.hpp,
        splay_tree_/splay_tree_.hpp, ov_tree_map_/ov_tree_map_.hpp,
        cc_hash_table_map_/cc_ht_map_.hpp, pat_trie_/pat_trie_.hpp,
        leaf.hpp, internal_node.hpp, gp_hash_table_map_/gp_ht_map_.hpp,
        bin_search_tree_/bin_search_tree_.hpp, list_update_map_/lu_map_.hpp,
        rb_tree_map_/rb_tree_.hpp (PB_DS_ASSERT_VALID, PB_DS_DEBUG_VERIFY,
        PB_DS_CHECK_KEY_EXISTS, PB_DS_CHECK_KEY_DOES_NOT_EXIST): Duplicate
        macro definitions move...
        * include/ext/pb_ds/detail/container_base_dispatch.hpp: ... here...
        * include/ext/pb_ds/detail/basic_tree_policy/traits.hpp: ... and here.
        * include/ext/pb_ds/detail/binary_heap_/binary_heap_.hpp,
        resize_policy.hpp, pairing_heap_/pairing_heap_.hpp,
        left_child_next_sibling_heap_/left_child_next_sibling_heap_.hpp,
        binomial_heap_/binomial_heap_.hpp, thin_heap_/thin_heap_.hpp,
        rc_binomial_heap_/rc_binomial_heap_.hpp, rc.hpp (PB_DS_ASSERT_VALID,
        PB_DS_DEBUG_VERIFY): Duplicate macro definitions move...
        * include/ext/pb_ds/detail/priority_queue_base_dispatch.hpp:
        ...here.

From-SVN: r173670

MAINTAINERS (Write After Approval): Add myself.

2011-05-11  Paul Pluzhnikov  <ppluzhnikov@google.com>

* MAINTAINERS (Write After Approval): Add myself.

From-SVN: r173669

install.texi (Configuration): Document --with-linker-hash-style.

2011-05-11  Satoru Takabayashi  <satorux@google.com>
    Paul Pluzhnikov  <ppluzhnikov@google.com>

* gcc/doc/install.texi (Configuration): Document
--with-linker-hash-style.
* gcc/gcc.c (init_spec): Handle LINKER_HASH_STYLE.
* gcc/config.in: Add LINKER_HASH_STYLE.
* gcc/configure.ac: Add --with-linker-hash-style.
* gcc/configure: Regenerate.

Co-Authored-By: Paul Pluzhnikov <ppluzhnikov@google.com>
From-SVN: r173668

don't use build_function_type in the Ada FE

don't use build_function_type in the Ada FE
* gcc-interface/utils.c (def_fn_type): Don't call build_function_type;
call build_function_type_array or build_varargs_function_type_array
instead.
(create_subprog_type): Don't call build_function_type; call
build_function_type_vec instead.

From-SVN: r173664

re PR bootstrap/48964 (LTO profiledbootstrap failure)

2011-05-11  Richard Guenther  <rguenther@suse.de>

PR middle-end/48964
* gimple.c (iterative_hash_canonical_type): Fix typo.

From-SVN: r173663

i386.c (legitimize_tls_address): Call gen_tls_dynamic_gnu2_{32,64} expanders directly for TARGET_GNU2_TLS.

* config/i386/i386.c (legitimize_tls_address)
<TLS_MODEL_GLOBAL_DYNAMIC>: Call gen_tls_dynamic_gnu2_{32,64}
expanders directly for TARGET_GNU2_TLS.  Determine pic and
__tls_get_addr symbol reference here.  Update call to
gen_tls_global_dynamic_{32,64} for added arguments.
<TLS_MODEL_LOCAL_DYNAMIC>: Call gen_tls_dynamic_gnu2_{32,64}
expanders directly for TARGET_GNU2_TLS.  Determine
__tls_get_addr symbol reference here.  Update call to
gen_tls_local_dynamic_base_{32,64} for added arguments.  Attach
unique UNSPEC REG_EQUIV to libcall block.
(ix86_tls_get_addr): Declare static.
* config/i386/i386-protos.h (ix86_tls_get_addr): Remove declaration.
* config/i386/i386.md (tls_global_dynamic_32): Add operand 2 and 3.
Do not determine pic and __tls_get_addr symbol reference here. Do not
call gen_tls_dynamic_gnu2_32 for TARGET_GNU2_TLS.
(tls_local_dynamic_base_32): Ditto for operands 1 and 2.
(tls_global_dynamic_64): Add operand 2.  Do not determine
__tls_get_addr symbol reference here.  Do not call
gen_tls_dynamic_gnu2_64 for TARGET_GNU2_TLS here.
(tls_local_dynamic_base64): Ditto for operand 1.

From-SVN: r173662

function.c (expand_function_start): Initialize stack_check_probe_note only if the generic stack checking mechanism...

* function.c (expand_function_start): Initialize stack_check_probe_note
only if the generic stack checking mechanism is used.

From-SVN: r173661

re PR tree-optimization/15256 ([tree-ssa] Optimize manual bitfield manipilation.)

2011-05-11  Richard Guenther  <rguenther@suse.de>

PR tree-optimization/15256
* tree-ssa-forwprop.c (simplify_bitwise_binary): Canonicalize
(A & B) | C, combine (A op CST1) op CST2.
(tree_ssa_forward_propagate_single_use_vars): Only bother to
visit assigns that have uses.

* gcc.dg/tree-ssa/forwprop-14.c: New testcase.

From-SVN: r173659

split tree_type

split tree_type
gcc/ada/
* gcc-interface/ada-tree.h (TYPE_OBJECT_RECORD_TYPE): Use TYPE_MINVAL.
(TYPE_GCC_MIN_VALUE): Use TYPE_MINVAL.
(TYPE_GCC_MAX_VALUE): Use TYPE_MAXVAL.

gcc/cp/
* cp-tree.h (TYPENAME_TYPE_FULLNAME, TYPEOF_TYPE_EXPR): Use
TYPE_VALUES_RAW.
(UNDERLYING_TYPE_TYPE, DECLTYPE_TYPE_EXPR): Likewise.
(DECLTYPE_TYPE_ID_EXPR_OR_MEMBER_ACCESS_P): Likewise.
(TEMPLATE_TYPE_PARM_INDEX): Likewise.

gcc/
* ggc-page.c (extra_order_size_table): Use struct
tree_type_non_common.
* lto-streamer-in.c (unpack_ts_type_value_fields): Rename to...
(unpack_ts_type_common_value_fields): ...this.  Update comment.
(unpack_value_fields): Adjust for renaming.
(lto_input_ts_type_tree_pointers): Split into...
(lto_input_ts_type_common_tree_pointer): ...this and...
(lto_input_ts_type_non_common_tree_pointers): ...this.
(lto_input_tree_pointers): Adjust for above split.
* lto-streamer-out.c (pack_ts_type_value_fields): Rename to...
(pack_ts_type_common_value_fields): ...this.  Update comment.
(lto_output_ts_type_tree_pointers): Split into...
(lto_output_ts_type_common_tree_pointers): ...this and...
(lto_output_ts_type_non_common_tree_pointers): ...this.
(lto_output_tree_pointers): Adjust for above split.
* lto-streamer.c (check_handled_ts_structures): Mark TS_TYPE_COMMON,
TS_TYPE_WITH_LANG_SPECIFIC, and TS_TYPE_NON_COMMON as handled.
* stor-layout.c (vector_type_mode): Adjust location of mode field.
* tree.h (MARK_TS_TYPE_COMMON, MARK_TS_TYPE_WITH_LANG_SPECIFIC):
Define.
(struct tree_type): Split into...
(struct tree_type_common: ...this and...
(struct tree_type_with_lang_specific): ...this and...
(struct tree_type_non_common): ...this.  Adjust accessor macros
accordingly.
(TYPE_VALUES_RAW): Define.
(union tree_node): Update for above changes.
* tree.c (tree_node_structure_for_code) [tcc_type]: Return
TS_TYPE_NON_COMMON.
(initialize_tree_contains_struct) [TS_TYPE]: Use TS_TYPE_COMMON.
Add TS_TYPE_WITH_LANG_SPECIFIC and TS_TYPE_NON_COMMON.
(tree_code_size) [tcc_type]: Use struct tree_type_non_common.
* treestructu.def (TS_TYPE): Remove.
(TS_TYPE_COMMON, TS_TYPE_WITH_LANG_SPECIFIC, TS_TYPE_NON_COMMON):
Define.

gcc/java/
* java-tree.h (TYPE_ARGUMENT_SIGNATURE): Use TYPE_MINVAL.

gcc/lto/
* lto.c (lto_ft_type): Use TYPE_MINVAL and TYPE_MAXVAL.  Adjust
location of binfo field.
(lto_fixup_prevailing_decls): Likewise.

gcc/objc/
* objc-act.h (CLASS_NAME, CLASS_SUPER_NAME): Use proper accessors.
(CLASS_NST_METHODS, CLASS_CLS_METHODS): Likewise.
(PROTOCOL_NAME, PROTOCOL_NST_METHODS, PROTOCOL_CLS_METHODS): Likewise.

From-SVN: r173658

re PR debug/48159 (ICE: SIGSEGV in build2_stat (tree.c:3802) with -ftree-loop-distribution -g)

PR debug/48159
* tree-ssa.c (reset_debug_uses): New function.
* tree-flow.h (reset_debug_uses): New prototype.
* tree-data-ref.c (stmts_from_loop): Ignore debug stmts.
* tree-loop-distribution.c (generate_loops_for_partition): Call
reset_debug_uses on the stmts that will be removed.  Keep around
all debug stmts, don't count them as bits in partition bitmap.
(generate_builtin): Don't count debug stmts or labels as bits in
partition bitmap.

* gcc.dg/pr48159-1.c: New test.
* gcc.dg/pr48159-2.c: New test.

From-SVN: r173656

gimple.c (gimple_type_hash_1): Merge with ...

2011-05-11  Richard Guenther  <rguenther@suse.de>

* gimple.c (gimple_type_hash_1): Merge with ...
(gimple_type_hash): ... this.
(gtc_visit): Remove mode parameter and simplify accordingly.
(gimple_types_compatible_p_1): Likewise.
(gimple_types_compatible_p): Likewise.
(iterative_hash_gimple_type): Likewise.
(visit): Likewise.
(gimple_type_eq): Adjust.

From-SVN: r173655

Support closing_branch_deps

From-SVN: r173654

re PR middle-end/48953 (ICE: verify_gimple failed: type mismatch in array reference with -flto and struct with vararray)

2011-05-11  Richard Guenther  <rguenther@suse.de>

PR middle-end/48953
* tree-inline.c (remap_gimple_op_r): Also remap types of MEM_REFs.

* gcc.dg/torture/pr48953.c: New testcase.

From-SVN: r173653

opts.c (finish_options): Move warning settings from process_options.

* opts.c (finish_options): Move warning settings from
process_options.
* toplev.c (process_options): Move warning settings to
finish_options.

From-SVN: r173651

re PR middle-end/18041 (OR of two single-bit bitfields is inefficient)

2011-05-11  Richard Guenther  <rguenther@suse.de>

PR tree-optimization/18041
* tree-ssa-forwprop.c (simplify_bitwise_and): Rename to ...
(simplify_bitwise_binary): ... this.  Handle operand conversions
by applying them to the result instead.
(tree_ssa_forward_propagate_single_use_vars): Adjust.  CSE tree code.

* gcc.dg/tree-ssa/forwprop-13.c: New testcase.

From-SVN: r173650

gimple.c (gimple_canonical_types_compatible_p): Split out from gimple_types_compatible_p and friends.

2011-05-11  Richard Guenther  <rguenther@suse.de>

* gimple.c (gimple_canonical_types_compatible_p): Split out
from gimple_types_compatible_p and friends.  Do not recurse
to pointed-to types.
(gimple_canonical_type_eq): Use it.
(iterative_hash_canonical_type): Split out from
iterative_hash_gimple_type and friends.  Do not recurse
to pointed-to types.
(gimple_canonical_type_hash): Use it, allocate the hash here.

From-SVN: r173649

Skip DEBUG_INSNs while recognizing doloop

From-SVN: r173647

Skip DEBUG_INSN in loop-doloop.c

From-SVN: r173646

Doloop pattern for ARM

From-SVN: r173645

re PR target/47755 (VSX code generates a TOC reference to clear memory)

PR target/47755
* gcc.target/powerpc/pr47755-2.c: Require vsx_hw.

From-SVN: r173643

Daily bump.

From-SVN: r173641

make CASE_LABEL_EXPR not abuse TREE_CHAIN

make CASE_LABEL_EXPR not abuse TREE_CHAIN
* tree.def (CASE_LABEL_EXPR): Add an operand.
* tree.h (CASE_CHAIN): Use TREE_OPERAND instead of TREE_CHAIN.

From-SVN: r173633

c-decl.c (c_override_global_bindings_to_false): Remove.

* c-decl.c (c_override_global_bindings_to_false): Remove.
(global_bindings_p): Don't check
c_override_global_bindings_to_false.
* c-tree.h (c_override_global_bindings_to_false): Remove.
* c-typeck.c (composite_type): Don't set
c_override_global_bindings_to_false.

From-SVN: r173632

re PR c++/48930 ([C++0x] Invalid implicitly declared default c'tor)

PR c++/48930
* class.c (type_build_ctor_call): New.
* cp-tree.h: Declare it.
* decl.c (check_initializer): Use it instead of
TYPE_NEEDS_CONSTRUCTING.
* init.c (build_value_init, build_value_init_noctor): Likewise.
(perform_member_init, expand_aggr_init_1, build_new_1): Likewise.
(build_vec_init): Likewise.
* typeck2.c (process_init_constructor_array): Likewise.
(process_init_constructor_record): Likewise.

From-SVN: r173628

re PR c++/48736 ([C++0x] ICE during list-initialization with variadics)

PR c++/48736
* pt.c (tsubst_copy_and_build): Handle substitution of a pack
expansion producing another expansion.

From-SVN: r173627

Fixes for override/final.

* class.c (check_for_override): Diagnose final on a nonvirtual
member function, diagnose override for a virtual with no matching
override. Don't fiddle around with DECL_VINDEX.

From-SVN: r173626

mark EXPR_PACK_EXPANSION as typed only

mark EXPR_PACK_EXPANSION as typed only
        * cp-tree.def (EXPR_PACK_EXPANSION): Add an operand.
        * cp-objcp-common.c (cp_common_init_ts): Mark it as TS_TYPED.
        * cp-tree.h (PACK_EXPANSION_PARAMETER_PACKS): Use the new
        operand of EXPR_PACK_EXPANSION.
(cp_tree_operand_length): Declare.
        * tree.c (cp_tree_operand_length): Define.
(cp_tree_equal): Call it.
        * pt.c (value_dependent_expr_P): Likewise.
        * mangle.c (write_expression): Likewise.

From-SVN: r173625

Fix PRs 48857, 48495

From-SVN: r173624

use build_function_type less in c-family and LTO

use build_function_type less in c-family and LTO
gcc/c-family/
* c-common.c (def_fn_type): Don't call build_function_type, call
build_function_type_array or build_varargs_function_type_array
instead.
(c_common_nodes_and_builtins): Likewise.

gcc/lto/
* lto-lang.c (def_fn_type): Don't call build_function_type, call
build_function_type_array or build_varargs_function_type_array
instead.

From-SVN: r173623

config.gcc (i[34567]86-*-darwin*, [...]): Add i386/darwin-lib.h to $libgcc_tm_file.

gcc:
* config.gcc (i[34567]86-*-darwin*, x86_64-*-darwin*): Add
i386/darwin-lib.h to $libgcc_tm_file.
* config/i386/darwin.h (DECLARE_LIBRARY_RENAMES): Remove.

libgcc:
* config/i386/darwin-lib.h: New file.

From-SVN: r173622

* doc/sourcebuild.texi (Back End): Mention contrib/config-list.mk.

From-SVN: r173621

gcc_update (gcc/config/rs6000/rs6000-tables.opt): New dependencies.

contrib:
* gcc_update (gcc/config/rs6000/rs6000-tables.opt): New
dependencies.

gcc:
* config/rs6000/genopt.sh, config/rs6000/rs6000-cpus.def: New
files.
* config/rs6000/rs6000-tables.opt: New file (generated).
* config.gcc (powerpc*-*-*, rs6000*-*-*): Add
rs6000/rs6000-tables.opt to extra_options.
* config/rs6000/rs6000-opts.h (RS6000_CPU_OPTION_NATIVE): Define.
* config/rs6000/rs6000.c (rs6000_select): Remove.
(processor_target_table): Move contents to rs6000-cpus.def.
(darwin_rs6000_override_options): Check
global_options_set.x_rs6000_cpu_index instead of
rs6000_select[1].string.
(rs6000_option_override_internal): Likewise.
(rs6000_handle_option): Don't assert that global structures are in
use.  Don't handle OPT_mcpu_ and OPT_mtune_ here.
(rs6000_default_cpu): New variable.
(rs6000_file_start): Set it instead of local default_cpu.  Check
rs6000_default_cpu, global_options_set.x_rs6000_cpu_index and
global_options_set.x_rs6000_tune_index instead of rs6000_select.
(rs6000_darwin_file_start): Check rs6000_default_cpu and
global_options_set.x_rs6000_cpu_index instead of rs6000_select.
* config/rs6000/rs6000.h (struct rs6000_cpu_select,
rs6000_select): Remove.
* config/rs6000/rs6000.opt (rs6000_cpu_index, rs6000_tune_index):
Remove.
(mcpu=, mtune=): Use Var, Init, Enum and Save.
* config/rs6000/t-rs6000
($(srcdir)/config/rs6000/rs6000-tables.opt): New.
* config/rs6000/eabispe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Check
global_options_set.x_rs6000_cpu_index instead of
rs6000_select[1].string.
* config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Check
global_options_set.x_rs6000_cpu_index instead of
rs6000_select[1].string.

From-SVN: r173620

config.gcc (libgcc_tm_file): Define instead of including files from ../../libgcc/config/ in tm_file.

gcc:
* config.gcc (libgcc_tm_file): Define instead of including files
from ../../libgcc/config/ in tm_file.
* configure.ac (libgcc_tm_file_list, libgcc_tm_include_list):
Define.
* configure: Regenerate.
* Makefile.in (libgcc_tm_file_list, libgcc_tm_include_list,
libgcc_tm.h, cs-libgcc_tm.h): New.
(TM_H): Include libgcc_tm.h and $(libgcc_tm_file_list).
(clean): Remove libgcc_tm.h.
* config/arm/symbian.h (RENAME_LIBRARY): Remove.
* mkconfig.sh: Include libgcc_tm.h in tm.h if USED_FOR_TARGET.
* system.h (DECLARE_LIBRARY_RENAMES): Poison.

libgcc:
* config/arm/symbian-lib.h: New.

From-SVN: r173619

re PR target/48896 (avr.o warnings)

PR target/48896
* config/avr/avr.c (avr_ret_register): Return unsigned int
instead of int.
(avr_function_value): Mark fn_decl_or_type as unused, don't pass
it to avr_libcall_value.
avr_expand_builtin): Use EXPAND_NORMAL as arg 4 in calls to
expand_expr.
(avr_expand_binop_builtin): Ditto.
(avr_expand_unop_builtin): Ditto.

From-SVN: r173617

rx.h (JUMP_ALIGN, [...]): Define.

* config/rx/rx.h (JUMP_ALIGN, LABEL_ALIGN, LOOP_ALIGN): Define.
(LABEL_ALIGN_AFTER_BARRIER): Pass label to rx_align_for_label
* config/rx/rx.c (rx_align_for_label): Add label and
uses_threshold parameters.  Do not align when the label is not
used enough.
* config/rx/rx-protos.h (rx_align_for_label): Update prototype.

From-SVN: r173615

tree-ssa-forwprop.c (combine_conversions): Pattern-match a series of conversions and apply foldings similar to what...

2011-05-10  Richard Guenther  <rguenther@suse.de>

* tree-ssa-forwprop.c (combine_conversions): Pattern-match
a series of conversions and apply foldings similar to what
fold-const does.
(tree_ssa_forward_propagate_single_use_vars): Call it.

* gcc.dg/tree-ssa/ssa-fre-2.c: Disable forwprop.
* gcc.dg/tree-ssa/ssa-fre-3.c: Likewise.
* gcc.dg/tree-ssa/ssa-fre-4.c: Likewise.
* gcc.dg/tree-ssa/ssa-fre-5.c: Likewise.
* gcc.dg/tree-ssa/scev-cast.c: Adjust.  Note what transformation
applies.

From-SVN: r173612

re PR tree-optimization/48611 (ICE: SIGSEGV in remap_eh_region_nr (tree-inline.c:1194) with -Os -fopenmp -fexceptions -fno-tree-ccp -fno-tree-copy-prop on basic code)

PR tree-optimization/48611
PR tree-optimization/48794
* tree-eh.c (remove_unreachable_handlers): Don't remove regions
referenced from RESX or EH_DISPATCH arguments.

* gfortran.dg/gomp/pr48611.f90: New test.
* gfortran.dg/gomp/pr48794.f90: New test.

From-SVN: r173607

re PR debug/48928 (ICE: in decimal_to_decnumber, at dfp.c:113 with -O -g and decimal float)

PR debug/48928
* dfp.c (decimal_to_decnumber): Handle conversion from
dconst{1,2,m1,half}.

* gcc.dg/dfp/pr48928.c: New test.

From-SVN: r173606

Daily bump.

From-SVN: r173604

re PR c++/48522 ([C++0x] decltype((object)) with templated classes crashes g++ 4.5.1.)

2011-05-09  Paolo Carlini  <paolo.carlini@oracle.com>

PR c++/48522
* g++.dg/cpp0x/pr48522.C: New.

From-SVN: r173598

re PR c++/48735 ([C++0x][SFINAE] Hard errors with array list-construction and deleted default c'tor)

2011-05-09  Paolo Carlini  <paolo.carlini@oracle.com>

PR c++/48735
* g++.dg/cpp0x/sfinae21.C: New.

2011-05-09  Paolo Carlini  <paolo.carlini@oracle.com>

* g++.dg/template/sfinae28.C: Rename to...
* g++.dg/cpp0x/sfinae19.C: ... this.
* g++.dg/template/sfinae29.C: Rename to...
* g++.dg/cpp0x/sfinae20.C: ... this.

From-SVN: r173597

gcc-gdb-test.exp (gdb-test): Reorder matchers to give more consistent results.

* lib/gcc-gdb-test.exp (gdb-test): Reorder matchers to give more
consistent results.

From-SVN: r173595

re PR c++/20039 (uninitialized const in `new' of `const struct')

gcc/testsuite/ChangeLog:

2011-05-09  Fabien Chene  <fabien@gcc.gnu.org>
PR c++/20039
* g++.dg/init/pr20039.C: New.

From-SVN: r173592

i386.c (ix86_autovectorize_vector_sizes): Return 0 for !flag_prefer_avx128.

* config/i386/i386.c (ix86_autovectorize_vector_sizes): Return 0
for !flag_prefer_avx128.
(ix86_preferred_simd_mode): Return word_mode for DFmode without SSE2.

From-SVN: r173591

re PR c++/48737 ([C++0x][SFINAE] Hard errors with array list-construction with too many elements)

/cp
2011-05-09  Paolo Carlini  <paolo.carlini@oracle.com>

PR c++/48737
PR c++/48744
* decl.c (reshape_init): Take a complain parameter and do
not call error if tf_error is not set.
(check_initializer, reshape_init_r, reshape_init_array,
reshape_init_array_1, reshape_init_vector, reshape_init_class):
Adjust.
* typeck2.c (digest_init_r): Take a complain parameter and
pass it to convert_for_initialization.
(digest_init, digest_init_flags, process_init_constructor_array,
process_init_constructor_record, process_init_constructor_union,
process_init_constructor, digest_init_r): Adjust.
* init.c (expand_default_init, build_new_1): Likewise.
* typeck.c (cp_build_modify_expr): Likewise.
* decl2.c (grokfield): Likewise.
* call.c (convert_like_real, convert_default_arg): Likewise.
* semantics.c (finish_compound_literal): Pass complain to
reshape_init and digest_init.
* cp-tree.h: Adjust declarations.

/testsuite
2011-05-09  Paolo Carlini  <paolo.carlini@oracle.com>

PR c++/48737
PR c++/48744
* g++.dg/template/sfinae28.C: New.
* g++.dg/template/sfinae29.C: Likewise.

From-SVN: r173590

fold-const.c (fold_range_test): Pass LOC to build_range_check.

* fold-const.c (fold_range_test): Pass LOC to build_range_check.
(fold_ternary_loc): Use expr_location_or.

From-SVN: r173588

One more POINTERS_EXTEND_UNSIGNED fix in mem_loc_descriptor.

2011-05-09  H.J. Lu  <hongjiu.lu@intel.com>

PR debug/48853
* dwarf2out.c (mem_loc_descriptor) <case SUBREG>: If
POINTERS_EXTEND_UNSIGNED is defined, don't give up if mode is
Pmode and mem_mode is not VOIDmode.

From-SVN: r173587