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

	* 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

	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

From-SVN: r173604

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

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

From-SVN: r173595

gcc/testsuite/ChangeLog:

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

From-SVN: r173592

	* 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

/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_ternary_loc): Use expr_location_or.

From-SVN: r173588

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

From-SVN: r173586

From-SVN: r173583

	PR c++/34772
	* decl.c (initialize_local_var): Use DECL_INITIAL for simple
	initialization.

From-SVN: r173582

gcc/
	* tree.h (TYPE_UNQUALIFIED, TYPE_QUAL_CONST): Convert to enum.
	(TYPE_QUAL_VOLATILE, TYPE_QUAL_RESTRICT): Likewise.
gcc/cp/
	* class.c (check_for_override): Check for DECL_OVERRIDE_P.
	* cp-tree.h (DECL_OVERRIDE_P, DECL_FINAL_P): New.
	(cp_virt_specifiers, enum virt_specifier): New.
	* decl.c (set_virt_specifiers): New.
	(grokdeclarator): Use them. Diagnose virt-specifiers on non-fields.
	* parser.c (make_call_declarator): add virt-specifiers parameter.
	(cp_parser_lambda_declarator_opt): Adjust.
	(cp_parser_direct_declarator): Likewise.
	(cp_parser_virt_specifier_seq_opt): New.
	* search.c (check_final_overrider): Diagnose attempts to override
	a final member function.

From-SVN: r173581

2011-05-09  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/predicates.md (const_pow2_1_to_2_operand): Remove.
	(const_pow2_1_to_8_operand): Ditto.
	(const_pow2_1_to_128_operand): Ditto.
	(const_pow2_1_to_32768_operand): Ditto.
	* config/i386/mmx.md (*mmx_pinsrw): Use const_int_operand instead of
	const_pow2_1_to_8_operand for operand 3 predicate.  Use exact_log2
	in insn constraint to check integer value of operand 3.
	* config/i386/sse.md (*vec_setv4sf_sse4_1): Ditto.

	(PINSR_MODE): New mode iterator.
	(sse2p4_1): New mode attribute.
	(<sse2p4_1>_pinsr<ssemodesuffix>): Merge insn from sse4_1_pinsrb,
	sse2_pinsrw, sse4_1_pinsrd and sse4_1_pinsrq using PINSR_MODE mode
	iterator.  Use const_int_operand instead of
	const_pow2_1_to_{2,8,128,32768}_operand for operand 3 predicate.  Use
	exact_log2 in insn constraint to check integer value of operand 3.

2011-05-09  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/sse.md (blendbits): Remove mode attribute.
	(<sse4_1>_blend<ssemodesuffix><avxsizesuffix>): Use const_int_operand
	instead of const_0_to_<blendbits>_operand for operand 3 predicate.
	Check integer value of operand 3 in insn constraint.

From-SVN: r173580

2011-05-09  Richard Guenther  <rguenther@suse.de>

	* lto-symtab.c (lto_cgraph_replace_node): Use types_compatible_p
	for diagnostics.
	(lto_symtab_merge): Likewise.  Do not register types here.
	(lto_symtab_merge_decls_2): Likewise.
	(lto_symtab_merge_decls_1): Likewise.
	* gimple.h (enum gtc_mode, gimple_types_compatible_p): Do not declare.
	* gimple.c (enum gtc_mode): Declare.
	(gimple_types_compatible_p): Make static.

From-SVN: r173575

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

	PR libstdc++/48933
	* include/c_global/cmath (acosh, asinh, atanh, cbrt, copysign,
	erf, erfc, exp2, expm1, fdim, fma, fmax, hypot, ilogb, lgamma,
	llrint, llround, log1p, log2, logb, lrint, lround, nearbyint,
	nextafter, nexttoward, remainder, remquo, rint, round, scalbln,
	scalbn, tgamma, trunc): Use __enable_if on the return type.
	* include/tr1/cmath: Likewise.
	* testsuite/26_numerics/headers/cmath/overloads_c++0x_neg.cc: New.
	* testsuite/tr1/8_c_compatibility/cmath/overloads_neg.cc: Likewise.

From-SVN: r173574

2011-05-09  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

	* config/s390/s390.md (TD/TF mem to reg move splitter): Make the
	temporary register to match Pmode.

From-SVN: r173572

Fix PR c++/48574

gcc/cp/

	PR c++/48574
	* class.c (fixed_type_or_null): Use type_dependent_p_push to test
	if the instance has a dependent initializer.

gcc/testsuite/

	PR c++/48574
	* g++.dg/template/dependent-expr8.C: New test case.

From-SVN: r173570

	* config/i386/sse.md (*vec_concatv4si): Merge from *vec_concatv4si_1
	and *vec_concatv4si_1_avx.

From-SVN: r173569

	PR rtl-optimization/48927
	* ira-conflicts.c (commutative_constraint_p): Use
	recog_data.alternative_enabled_p to disable alternatives where
	"enabled" attribute is false.
	(get_dup_num): Ditto.
	* ira-lives.c (single_reg_class): Ditto.
	(ira_implicitly_set_insn_hard_regs): Ditto.

From-SVN: r173568

	* var-tracking.c (find_mem_expr_in_1pdv): Fix thinko.
	(dataflow_set_preserve_mem_locs): Likewise.

From-SVN: r173565

From-SVN: r173564

	PR target/48899
	* config/iq2000/iq2000.opt (iq2000_tune): Initialise to
	PROCESSOR_DEFAULT.

From-SVN: r173562

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

gcc:
	* config/mips/genopt.sh, config/mips/mips-cpus.def: New files.
	* config/mips/mips-tables.opt: New file (generated).
	* config.gcc (mips*-*-*): Add mips/mips-tables.opt to
	extra_options.
	* config/mips/mips-opts.h (MIPS_ARCH_OPTION_FROM_ABI,
	MIPS_ARCH_OPTION_NATIVE): Define.
	* config/mips/mips.c (mips_cpu_info_table): Move contents to
	mips-cpus.def.
	(mips_strict_matching_cpu_name_p, mips_matching_cpu_name_p,
	mips_parse_cpu): Remove.
	(mips_cpu_info_from_opt, mips_default_arch): New.
	(mips_handle_option): Don't assert that global structures are in
	use.  Don't handle OPT_march_, OPT_mtune_ and OPT_mips here.
	(mips_option_override): Use new variables and functions to set
	state of these options.  Use strcmp to check for individual CPU
	names.
	* config/mips/mips.h (MIPS_CPU_STRING_DEFAULT): Remove default
	definition.
	* config/mips/mips.opt (march=): Use ToLower and Enum.
	(mips): Use ToLower, Enum and Var.
	(mtune=): Use ToLower and Enum.
	* config/mips/t-mips ($(srcdir)/config/mips/mips-tables.opt): New.

From-SVN: r173561

	* gimple.c (type_pair_hash, type_pair_eq, lookup_type_pair):
	Arrange type pairs to be UID ordered.
	(gimple_lookup_type_leader): Make inline.

From-SVN: r173560

	PR target/48897
	* config/mn10300/mn10300.c (extract_bundle): Remove spurious local
	variable 's'.

From-SVN: r173559

2011-05-08  Doug Kwan  <dougkwan@google.com>

	* configure.ac: Propagate LDFLAGS_FOR_TARGET.
	* configure: Regenerated.
	* Makefile.tpl (LDFLAGS_FOR_TARGET): Use LDFLAGS_FOR_TARGET
	value from configure.
	* Makefile.in: Regenerated.

From-SVN: r173558

From-SVN: r173557

2011-05-08  Chung-Lin Tang  <cltang@codesourcery.com>

	* combine.c (simplify_comparison): Abstract out parts into...
	(simplify_compare_const): ... new function.
	(try_combine): Generalize parallel arithmetic/compare combining
	to call simplify_compare_const() and CANONICALIZE_COMPARE().

From-SVN: r173552

	* cgraph.c (cgraph_clone_node): Add call_duplication_hook parameter.
	(cgraph_create_virtual_clone): Call hooks once virtual clone is finished.
	* cgraph.h (cgraph_clone_node): Update prototype.
	* ipa-cp.c (ipcp_estimate_growth): Use estimate_ipcp_clone_size_and_time.
	* ipa-inline-transform.c (clone_inlined_nodes): Update.
	* lto-cgraph.c (input_node): Update.
	* ipa-inline.c (recursive_inlining): Update.
	* ipa-inline.h (estimate_ipcp_clone_size_and_time): New function.
	(evaluate_conditions_for_known_args): Break out from ...
	(evaluate_conditions_for_edge): ... here.
	(evaluate_conditions_for_ipcp_clone): New function.
	(inline_node_duplication_hook): Update clone summary based
	on parameter map.
	(estimate_callee_size_and_time): Rename to ...
	(estimate_node_size_and_time): take NODE instead of EDGE;
	take POSSIBLE_TRUTHS as argument.
	(estimate_callee_size_and_time): Update.
	(estimate_ipcp_clone_size_and_time): New function.
	(do_estimate_edge_time): Update.

From-SVN: r173551

2011-05-08  Richard Guenther  <rguenther@suse.de>

	PR middle-end/48908
	PR middle-end/48905
	* expmed.c (expand_shift_1): Compute adjusted constant shift
	amount manually.

From-SVN: r173550

2011-05-08  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/48816
	* cxx-pretty-print.c (pp_cxx_template_declaration): Remove
	effectively unused variable.

From-SVN: r173549

From-SVN: r173548

From-SVN: r173547

From-SVN: r173546