Merge upstream changes
	* include/private/gcconfig.h: (ALIGNMENT): Set to 4 for x32.
	(CPP_WORDSZ): Set to 32 for x32.

From-SVN: r187412

	* config/alpha/alpha.c (alpha_emit_conditional_branch): Handle
	ORDERED and UNORDERED conditions.

From-SVN: r187411

2012-05-11  Richard Guenther  <rguenther@suse.de>

	* tree-flow.h (referenced_var_check_and_insert): Remove.
	(find_new_referenced_vars): Likewise.
	* tree-dfa.c (referenced_var_check_and_insert): Make static.
	(find_new_referenced_vars_1, find_new_referenced_vars): Remove.
	* tree-inline.c (copy_bb): Use find_referenced_vars_in
	instead of find_new_referenced_vars.
	* gimple-fold.c (gimplify_and_update_call_from_tree): Likewise.

From-SVN: r187408

2012-05-11  Richard Guenther  <rguenther@suse.de>

	* tree-pass.h (pass_rest_of_compilation,
	pass_all_optimizations, pass_postreload, pass_all_early_optimizations):
	Remove.
	* passes.c (pass_all_optimizations, pass_postreload,
	pass_all_early_optimizations): Make static.
	(pass_rest_of_compilation): Likewise.  Make it an RTL_PASS.
	* tree-phinodes.c (init_phinodes, fini_phinodes): Remove.
	* tree-ssa.c (init_tree_ssa): Do not call init_phinodes.
	(delete_tree_ssa): Do not call fini_phinodes.
	* tree-flow.h (init_phinodes, fini_phinodes): Remove.

From-SVN: r187407

2012-05-11  Thomas Koenig  <tkoenig@gcc.gnu.org>

	PR fortran/52537
	* frontend-passes.c (optimize_op):  Change
	old-style comparison operators to new-style, simplify
	switch as a result.
	(empty_string):  New function.
	(get_len_trim_call):  New function.
	(optimize_comparison):  If comparing to an empty string,
	use comparison of len_trim to zero.
	Use new-style comparison operators only.
	(optimize_trim):  Use get_len_trim_call.

2012-05-11  Thomas Koenig  <tkoenig@gcc.gnu.org>

	PR fortran/52537
	* gfortran.dg/string_compare_4.f90:  New test.

From-SVN: r187406

re PR c++/53209 (tree check ICE: expected tree_vec, have error_mark in comp_template_args_with_info, at cp/pt.c:7038)

PR c++/53209
* pt.c (tsubst_decl): Bail out if argvec is error_mark_node.

From-SVN: r187404

2012-05-11  Manuel López-Ibáñez  <manu@gcc.gnu.org>

	PR 53063
gcc/
	* doc/options.texi (EnabledBy): Document
	* opts.c: Include opts.h and options.h before tm.h.
	(finish_options): Do not handle some sub-options here...
	(common_handle_option): ... instead call common_handle_option_auto here.
	* optc-gen.awk: Handle EnabledBy.
	* opth-gen.awk: Declare common_handle_option_auto.
	* common.opt (Wuninitialized): Use EnabledBy. Delete Init.
	(Wmaybe-uninitialized): Likewise.
        (Wunused-but-set-variable): Likewise.
        (Wunused-function): Likewise.
        (Wunused-label): Likewise.
        (Wunused-value): Likewise.
        (Wunused-variable): Likewise.
        * opt-read.awk: Create opt_numbers array.
ada/
	* gcc-interface/misc.c (gnat_parse_file): Move before ...
	(gnat_handle_option): ... this. Use handle_generated_option.
c-family/
	* c-opts.c (c_common_handle_option): Use handle_generated_option
	to enable sub-options.
fortran/
	* options.c: Include diagnostics.h instead of
	diagnostics-core.h.
	(set_Wall): Do not see warn_unused here.
	(gfc_handle_option): Set it here using handle_generated_option.

From-SVN: r187403

re PR tree-optimization/53295 (Vectorizer support for non-constant strided loads depends on gather support overwriting the data-ref with bogus data)

2012-05-11  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/53295
	* tree-data-ref.h (stride_of_unit_type_p): Handle non-constant
	strides.
	* tree-data-ref.c (dr_analyze_innermost): Allow non-constant
	strides when analyzing data-references in a loop context.
	* tree-vect-data-refs.c (vect_mark_for_runtime_alias_test): Reject
	non-constant strides for now.
	(vect_enhance_data_refs_alignment): Ignore data references
	that are strided loads.
	(vect_analyze_data_ref_access): Handle non-constant strides.
	(vect_check_strided_load): Verify the data-reference is a load.
	(vect_analyze_data_refs): Restructure to make strided load
	support not dependent on gather support.
	* tree-vect-stmts.c (vectorizable_load): Avoid useless work
	when doing strided or gather loads.
	* tree-vect-loop-manip.c (vect_vfa_segment_size): Use
	integer_zerop to compare stride with zero.

From-SVN: r187402

	* config/i386/driver-i386.c (host_detect_local_cpu): Support
	RTM.

From-SVN: r187400

	* g++.dg/debug/dwarf2/nested-3.C: Allow for ! comments.

From-SVN: r187399

	PR bootstrap/53300
	* varpool.c (varpool_assemble_decl): Also output constat pool entries
	that output_constant_pool missed.

From-SVN: r187397

/cp
2012-05-11  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/53305
	* pt.c (tsubst_copy: case PARM_DECL): Return error_mark_node if
	tsubst_decl returns NULL_TREE.
	* cxx-pretty-print.c (pp_cxx_simple_type_specifier): Handle
	BOUND_TEMPLATE_TEMPLATE_PARM.

/testsuite
2012-05-11  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/53305
	* g++.dg/cpp0x/variadic132.C: New.

From-SVN: r187396

2012-05-11  Tobias Burnus  <burnus@net-b.de>

        PR fortran/53310
        * intrinsics/eoshift2.c (eoshift2): Do not leak
        memory by allocating it in the loop.

From-SVN: r187395

Remove ChangeLog entry for change to gofrontend file.  Changes to
those files do not get ChangeLog entries.

From-SVN: r187394

From-SVN: r187393

From-SVN: r187392

From-SVN: r187391

	PR target/53291
	* config/i386/i386.md (xtest): Use NE condition in ix86_expand_setcc.

From-SVN: r187387

	* config/i386/i386.md (*movti_internal_rex64): Avoid MOVAPS size
	optimization for TARGET_AVX.
	(*movti_internal_sse): Ditto.
	(*movdi_internal_rex64): Handle TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL.
	(*movdi_internal): Ditto.
	(*movsi_internal): Ditto.
	(*movtf_internal): Avoid MOVAPS size optimization for TARGET_AVX.
	(*movdf_internal_rex64): Ditto.
	(*movfd_internal): Ditto.
	(*movsf_internal): Ditto.
	* config/i386/sse.md (mov<mode>): Handle TARGET_SSE_LOAD0_BY_PXOR.

From-SVN: r187386

	* dwarf2out.c (add_byte_size_attribute) <RECORD_TYPE>: Handle variable
	reference as size attribute.

From-SVN: r187384

	* doc/md.texi (Standard Names): Document probe_stack_address.
	* explow.c (emit_stack_probe): Handle probe_stack_address.
	* config/ia64/ia64.md (UNSPECV_PROBE_STACK_ADDRESS): New constant.
	(UNSPECV_PROBE_STACK_RANGE): Likewise.
	(probe_stack_address): New insn.
	(probe_stack_range): Likewise.
	* config/ia64/ia64.c: Include common/common-target.h.
	(ia64_compute_frame_size): Mark r2 and r3 as used if static stack
	checking is enabled.
	(ia64_emit_probe_stack_range): New function.
	(output_probe_stack_range): Likewise.
	(ia64_expand_prologue): Invoke ia64_emit_probe_stack_range if static
	builtin stack checking is enabled.
	(rtx_needs_barrier) <UNSPEC_VOLATILE>: Handle UNSPECV_PROBE_STACK_RANGE
	and UNSPECV_PROBE_STACK_ADDRESS.
	(unknown_for_bundling_p): New predicate.
	(group_barrier_needed): Use important_for_bundling_p.
	(ia64_dfa_new_cycle): Use unknown_for_bundling_p.
	(issue_nops_and_insn): Likewise.
	(bundling): Likewise.
	(final_emit_insn_group_barriers): Likewise.
	* config/ia64/ia64-protos.h (output_probe_stack_range): Declare.
	* config/ia64/hpux.h (STACK_CHECK_STATIC_BUILTIN): Define.
	(STACK_CHECK_PROTECT): Likewise.
	* config/ia64/linux.h (STACK_CHECK_STATIC_BUILTIN): Likewise.

Co-Authored-By: Tristan Gingold <gingold@adacore.com>

From-SVN: r187383

	* ipa-inline.c (update_all_callee_keys): Remove.
	(inline_small_functions): Simplify priority updating.

From-SVN: r187382

From-SVN: r187381

/cp
2012-05-10  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/53158
	* cvt.c (ocp_convert): Error out early for void -> bool conversions.
	* typeck.c (decay_conversion): Use error_at.
	* call.c (build_integral_nontype_arg_conv, convert_like_real,
	convert_arg_to_ellipsis, perform_implicit_conversion_flags,
	initialize_reference): Likewise.
	* cvt.c (warn_ref_binding): Add location_t parameter.
	(cp_convert_to_pointer, convert_to_reference, ocp_convert,
	convert_to_void, ): Use error_at and warning_at.

/c-family
2012-05-10  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/53158
	* c-common.c (warnings_for_convert_and_check): Use warning_at.

/testsuite
2012-05-10  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/53158
	* g++.dg/cpp0x/lambda/lambda-err2.C: New.
	* g++.dg/parse/error26.C: Tweak dg-error column number.

From-SVN: r187380

/cp
2012-05-10  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/53301
	* decl.c (check_default_argument): Fix typo (POINTER_TYPE_P
	instead of TYPE_PTR_P) in zero-as-null-pointer-constant warning.

/testsuite
2012-05-10  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/53301
	* g++.dg/warn/Wzero-as-null-pointer-constant-6.C: New.

From-SVN: r187377

* include/bits/random.tcc (seed_seq::generate): Cast max()
operands to size_t to ensure a template match.
* include/std/bitset (_M_copy_from_ptr): Cast min() operands to
size_t to ensure a template match.

From-SVN: r187376

	* cgraph.h (cgraph_remove_unreachable_nodes): Rename to ...
	(symtab_remove_unreachable_nodes): ... this one.
	* ipa-cp.c (ipcp_driver): Do not remove unreachable nodes.
	* cgraphunit.c (ipa_passes): Update.
	* cgraphclones.c (cgraph_materialize_all_clones): Update.
	* cgraph.c (cgraph_release_function_body): Only turn initial
	into error mark when initial was previously set.
	* ipa-inline.c (ipa_inline): Update.
	* ipa.c: Include ipa-inline.h
	(enqueue_cgraph_node, enqueue_varpool_node): Remove.
	(enqueue_node): New function.
	(process_references): Update.
	(symtab_remove_unreachable_nodes): Cleanup.
	* passes.c (execute_todo, execute_one_pass): Update.

From-SVN: r187375

From-SVN: r187374

2012-05-10  Vladimir Makarov  <vmakarov@redhat.com>

	PR rtl-optimization/53125
	* ira.c (ira): Call find_moveable_pseudos or
	move_unallocated_pseudos if only ira_conflicts_p is true.

From-SVN: r187373

i386.md (*movoi_internal_avx): Handle TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL and TARGET_SSE_TYPELESS_STORES.

	* config/i386/i386.md (*movoi_internal_avx): Handle
	TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL and TARGET_SSE_TYPELESS_STORES.
	(*movti_internal_rex64): Handle TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL.
	(*movti_internal_sse): Ditto.
	(*movtf_internal): Ditto.
	* config/i386/sse.md (ssePSmode): New mode attribute.
	(*move<mode>_internal): Use ssePSmode.
	(*<sse>_movu<ssemodesuffix><avxsizesuffix>): Ditto.
	(*<sse2>_movdqu<avxsizesuffix>): Ditto.
	* config/i386/i386.c (standard_sse_constant_opcode): Do not handle
	TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL here.

From-SVN: r187372

From-SVN: r187371

gimplify.c (gimplify_decl_expr): For a TYPE_DECL, also gimplify the DECL_ORIGINAL_TYPE if it is present.

	* gimplify.c (gimplify_decl_expr): For a TYPE_DECL, also gimplify the
	DECL_ORIGINAL_TYPE if it is present.

From-SVN: r187369

	PR target/53120
	* config/m32c/bitops.md (bset_qi): Change operand 2 from having
	a "0" constraint to being a (match_dup 0).

From-SVN: r187368

2012-05-10  Richard Guenther  <rguenther@suse.de>

	* stor-layout.c (byte_from_pos): Amend comment.

From-SVN: r187367

	PR other/53284
	* acinclude.m4 (LIBAT_TEST_ATOMIC_BUILTIN): Add -O0 -S to CFLAGS
	instead of overriding.
	* configure: Regenerate.

From-SVN: r187366

	libgcc:
	* config.host (i[34567]86-*-linux*, x86_64-*-linux*)
	(i[34567]86-*-kfreebsd*-gnu, x86_64-*-kfreebsd*-gnu)
	(i[34567]86-*-knetbsd*-gnu, i[34567]86-*-gnu*): Move
	i386/t-cpuinfo ...
	(i[34567]86-*-*, x86_64-*-*): ... here.

	* config/i386/libgcc-bsd.ver (GCC_4.8.0): New version.
	* config/i386/libgcc-sol2.ver (GCC_4.8.0): New version.

	* config/i386/i386-cpuinfo.c: Rename to ...
	* config/i386/cpuinfo.c: ... this.
	* config/i386/t-cpuinfo (LIB2ADD): Reflect this.

	* configure.ac (AC_CONFIG_HEADER): Call for auto-target.h.
	(libgcc_cv_init_priority): New test.
	* configure: Regenerate.
	* config.in: New file.
	* Makefile.in (clean): Rename config.h to auto-target.h.
	(config.h): Likewise.
	(stamp-h): Likewise.

	* config/i386/cpuinfo.c (auto-target.h): Include.
	(CONSTRUCTOR_PRIORITY): Define.
	(__cpu_indicator_init): Use it.

	gcc
	* doc/extend.texi (X86 Built-in Functions, __builtin_cpu_init):
	Document requirement to call in constructors.

	* config/i386/i386.c: Update comments for i386-cpuinfo.c name
	change.

From-SVN: r187365

2012-05-10  Tristan Gingold  <gingold@adacore.com>

	* expr.c (interpret_float_suffix): Add a guard.

From-SVN: r187364

2012-05-10  Richard Guenther  <rguenther@suse.de>

	ada/
	* gcc-interface/cuintp.c (UI_From_gnu): Remove TYPE_IS_SIZETYPE use.

	c-family/
	* c-common.c (c_sizeof_or_alignof_type): Remove assert and
	adjust commentary about TYPE_IS_SIZETYPE types.

	* tree.h (TYPE_IS_SIZETYPE): Remove.
	* fold-const.c (int_const_binop_1): Remove TYPE_IS_SIZETYPE use.
	(extract_muldiv_1): Likewise.
	* gimple.c (gtc_visit): Likewise.
	(gimple_types_compatible_p): Likewise.
	(iterative_hash_canonical_type): Likewise.
	(gimple_canonical_types_compatible_p): Likewise.
	* gimplify.c (gimplify_one_sizepos): Likewise.
	* print-tree.c (print_node): Likewise.
	* stor-layout.c (initialize_sizetypes): Do not set TYPE_IS_SIZETYPE.

From-SVN: r187363

From-SVN: r187362

	* lang.opt: Add -fgo-pkgpath.
	* go-lang.c (go_pkgpath): New static variable.
	(go_prefix): New static variable.
	(go_langhook_init): Pass go_pkgpath and go_prefix to
	go_create_gogo.
	(go_langhook_handle_option): Handle -fgo-pkgpath.  Change
	-fgo-prefix handling to just set go_prefix.
	* go-c.h (go_set_prefix): Don't declare.
	(go_create_gogo): Add pkgpath and prefix to declaration.
	* go-gcc.cc (Gcc_backend::global_variable): Change unique_prefix
	to pkgpath.  Don't include the package name in the asm name.
	* gccgo.texi (Invoking gccgo): Document -fgo-pkgpath.  Update the
	docs for -fgo-prefix.

From-SVN: r187356