From-SVN: r200070

fortran/
	PR fortran/49074
	* trans-expr.c (gfc_conv_variable): Don't walk the reference chain.
	Handle NULL array references.
	(gfc_conv_procedure_call): Remove code handling NULL array references.

testsuite/
	PR fortran/49074
	* gfortran.dg/typebound_assignment_5.f03: New.

From-SVN: r200069

	* ipa.c (cgraph_externally_visible_p, varpool_externally_visible_p):
	Local comdats are not externally visible.
	* symtab.c (dump_symtab_base): Dump externally visible.
	(verify_symtab_base): Verify back links in the symtab hash.

From-SVN: r200064

	* fold-const.c (operand_equal_p): Consider NOP_EXPR and
	CONVERT_EXPR as equal nodes.

From-SVN: r200062

	* rtlanal.c (noop_move_p): Check the code to be executed for
	COND_EXEC.

From-SVN: r200061

2013-06-13  Paolo Carlini  <paolo.carlini@oracle.com>

	* include/tr1/modified_bessel_func.tcc (__gnu_cxx::__airy_ai(),
	__gnu_cxx::__airy_bi()): Remove.
	* testsuite/tr1/5_numerical_facilities/special_functions/
	10_cyl_bessel_k/airy.cc: Fix.

From-SVN: r200060

2013-06-13  Marc Glisse  <marc.glisse@inria.fr>

gcc/
	* tree-ssa-forwprop.c (simplify_bitwise_binary, associate_plusminus):
	Generalize to complex and vector.
	* tree.c (build_all_ones_cst): New function.
	* tree.h (build_all_ones_cst): Declare it.

gcc/testsuite/
	* gcc.dg/tree-ssa/forwprop-27.c: New testcase.

From-SVN: r200059

	* gcc-interface/ada-tree.h (DECL_BY_DOUBLE_REF_P): Delete.
	* gcc-interface/gigi.h (annotate_object): Adjust prototype.
	(convert_vms_descriptor): Likewise.
	* gcc-interface/decl.c (gnat_to_gnu_param): Do not pass fat pointer
	types by double dereference.
	(annotate_object): Remove BY_DOUBLE_REF parameter and adjust.
	(gnat_to_gnu_entity): Adjust calls to annotate_object.
	* gcc-interface/trans.c (Identifier_to_gnu): Do not deal with double
	dereference.
	(Call_to_gnu): Likewise.
	(build_function_stub): Adjust call to convert_vms_descriptor.
	(Subprogram_Body_to_gnu): Adjust call to annotate_object.
	* gcc-interface/utils.c (convert_vms_descriptor): Remove BY_REF
	parameter and adjust.

From-SVN: r200057

	* config/rs6000/rs6000.h (LONG_DOUBLE_LARGE_FIRST): Define.
	* config/rs6000/rs6000.md (signbittf2): New insn.
	(extenddftf2_internal): Use LONG_DOUBLE_LARGE_FIRST.
	(abstf2_internal, cmptf_internal2): Likewise.
	* config/rs6000/spe.md (spe_abstf2_cmp, spe_abstf2_tst): Likewise.

From-SVN: r200055

2013-06-12  Ed Smith-Rowland  <3dw4rd@verizon.net>

	PR libstdc++/56430
	* include/tr1/modified_bessel_func.tcc (__airy): Remove return
	from void function.
	(__gnu_cxx::__airy_ai(), __gnu_cxx::__airy_bi()): New functions.
	* testsuite/tr1/5_numerical_facilities/special_functions/
	10_cyl_bessel_k/airy.cc: New.

From-SVN: r200054

From-SVN: r200052

From-SVN: r200047

rs6000.c (emit_load_locked): Add support for power8 byte, half-word, and quad-word atomic instructions.

[gcc]
2013-06-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
	    Pat Haugen <pthaugen@us.ibm.com>
	    Peter Bergner <bergner@vnet.ibm.com>

	* config/rs6000/rs6000.c (emit_load_locked): Add support for
	power8 byte, half-word, and quad-word atomic instructions.
	(emit_store_conditional): Likewise.
	(rs6000_expand_atomic_compare_and_swap): Likewise.
	(rs6000_expand_atomic_op): Likewise.

	* config/rs6000/sync.md (larx): Add new modes for power8.
	(stcx): Likewise.
	(AINT): New mode iterator to include TImode as well as normal
	integer modes on power8.
	(fetchop_pred): Use int_reg_operand instead of gpc_reg_operand so
	that VSX registers are not considered.  Use AINT mode iterator
	instead of INT1 to allow inclusion of quad word atomic operations
	on power8.
	(load_locked<mode>): Likewise.
	(store_conditional<mode>): Likewise.
	(atomic_compare_and_swap<mode>): Likewise.
	(atomic_exchange<mode>): Likewise.
	(atomic_nand<mode>): Likewise.
	(atomic_fetch_<fetchop_name><mode>): Likewise.
	(atomic_nand_fetch<mode>): Likewise.
	(mem_thread_fence): Use gen_loadsync_<mode> instead of enumerating
	each type.
	(ATOMIC): On power8, add QImode, HImode modes.
	(load_locked<QHI:mode>_si): Varients of load_locked for QI/HI
	modes that promote to SImode.
	(load_lockedti): Convert TImode arguments to PTImode, so that we
	get a guaranteed even/odd register pair.
	(load_lockedpti): Likewise.
	(store_conditionalti): Likewise.
	(store_conditionalpti): Likewise.

	* config/rs6000/rs6000.md (QHI): New mode iterator for power8
	atomic load/store instructions.
	(HSI): Likewise.

[gcc/testsuite]
2013-06-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
	    Pat Haugen <pthaugen@us.ibm.com>
	    Peter Bergner <bergner@vnet.ibm.com>

	* gcc.target/powerpc/atomic-p7.c: New file, add tests for atomic
	load/store instructions on power7, power8.
	* gcc.target/powerpc/atomic-p8.c: Likewise.


Co-Authored-By: Pat Haugen <pthaugen@us.ibm.com>
Co-Authored-By: Peter Bergner <bergner@vnet.ibm.com>

From-SVN: r200044

fix pr c/57577
gcc/c/ChangeLog
+2013-06-12  Balaji V. Iyer  <balaji.v.iyer@intel.com>
+
+       * c-array-notation.c (build_array_notation_expr): Reject array notation
+       mismatch between LHS and RHS even inside a call_expr.  Also, removed
+       a couple while statements that were dead code.
+

gcc/testsuite/ChangeLog
+2013-06-12  Balaji V. Iyer  <balaji.v.iyer@intel.com>
+
+       PR c/57577
+       * c-c++-common/cilk-plus/AN/pr57577.c: New testcase.
+

From-SVN: r200043

re PR c++/38958 ('unused variable' warning emitted when extending the lifetime of a returned RAII type by holding a reference to const despite delayed destructor side-effects. [dtor])

/cp
2013-06-12  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/38958
	* decl.c (poplevel): For the benefit of -Wunused-variable see
	through references.

/testsuite
2013-06-12  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/38958
	* g++.dg/warn/Wunused-var-20.C: New.

From-SVN: r200042

gcc/testsuite/
	* gcc.target/mips/mips.exp: Handle -f{no-,}common.
	* gcc.target/mips/memcpy-1.c: Remove redundant dg-do.
	Run with -fno-common.

From-SVN: r200041

sec_implicit_ex.c (main): Replaced abort and exit function calls with return 1 and return 0, respectively.

2013-06-12  Balaji V. Iyer  <balaji.v.iyer@intel.com>

	* c-c++-common/cilk-plus/AN/sec_implicit_ex.c (main): Replaced abort
	and exit function calls with return 1 and return 0, respectively.

From-SVN: r200038

gcc/
	* config/mips/mips.md (extended_mips16): Include GOT and constant-pool
	loads.
	(insn_count): New attribute, with most cases extracted from...
	(length): ...here.  Redefine most cases in terms of insn_count.
	(single_insn): Delete.
	(can_delay): Use insn_count to check for single instructions.
	(*mul<mode>3_r4300, mul<mode>3_r4000, *mul_acc_si, *mul_acc_si_r3900)
	(*msac_using_macc, *mul_sub_si, <u>mulsidi3_32bit_r4000)
	(<u>mulsidi3_64bit_r4000, <su>muldi3_highpart_internal)
	(<su>mulsi3_highpart_split, <su>muldi3_highpart_internal)
	(<u>mulditi3_r4000, *div<mode>3, *recip<mode>3, divmod<mode>4)
	(udivmod<mode>4, sqrt<mode>2, *rsqrt<mode>a, *rsqrt<mode>b)
	(fix_truncdfsi2_macro, fix_truncsfsi2_macro, *lea_high64)
	(*lea64, cprestore_<mode>, clear_hazard_<mode>, <unnamed insn>)
	(casesi_internal_mips16_<mode>, *tls_get_tp_<mode>_split)
	(tls_get_tp_mips16, *tls_get_tp_mips16_call_<mode>): Use "insn_count"
	rather than "length".
	(tls_get_tp_<mode>): Likewise.  Remove redundant "no_delay" attribute.
	* config/mips/mips-ps-3d.md (mips_c_cond_4s, mips_cabs_cond_4s):
	Use "insn_count" rather than "length".
	* config/mips/mips-dsp.md
	(mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>)
	(mips_l<GPR:size>x_<P:mode>, *mips_lw<u>x_<P:mode>_ext): Remove
	length attributes.

gcc/testsuite/
	* gcc.target/mips/umips-branch-1.c, gcc.target/mips/umips-branch-2.c:
	New tests.

From-SVN: r200037

2013-06-12  Marc Glisse  <marc.glisse@inria.fr>

	PR tree-optimization/57361
gcc/
	* tree-ssa-dse.c (dse_possible_dead_store_p): Handle self-assignment.

gcc/testsuite/
	* gcc.dg/tree-ssa/pr57361.c: New file.

From-SVN: r200034

	* config/aarch64/aarch64-simd.md (aarch64_combine<mode>): convert to split.
	(aarch64_simd_combine<mode>): New instruction expansion.
	* config/aarch64/aarch64-protos.h (aarch64_split_simd_combine): New
	function prototype.
	* config/aarch64/aarch64.c (aarch64_split_combine): New function.
	* config/aarch64/iterators.md (Vdbl): Add entry for DF.

From-SVN: r200020

2013-06-12  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>

	* gcc.target/arm/unaligned-memcpy-4.c (src, dst): Initialize
	to ensure alignment.
	* gcc.target/arm/unaligned-memcpy-3.c (src): Likewise.

From-SVN: r200019

	* cgraph.c (verify_edge_corresponds_to_fndecl): Be lax about
	decl has when in streaming stage.
	* lto-symtab.c (lto_symtab_merge_symbols): Likewise.
	* cgraph.h (cgraph_state): Add CGRAPH_LTO_STREAMING.

	* lto.c (read_cgraph_and_symbols): Set cgraph into streaming state.

From-SVN: r200018

2013-06-12  Paolo Carlini  <paolo.carlini@oracle.com>

	* parser.c (cp_parser_nested_name_specifier_opt): Fix typo in comment.

From-SVN: r200017

From-SVN: r200016

2013-06-12  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/42021
	* parser.c (cp_parser_nested_name_specifier_opt): Avoid emitting
	again diagnostic already emitted by cp_parser_lookup_name.

From-SVN: r200013

2013-06-12  Roland Stigge <stigge@antcom.de>

        PR target/57578
        * config/rs6000/t-linux (MULTIARCH_DIRNAME): Fix SPE version detection.

From-SVN: r200012

From-SVN: r200008

2013-06-12  Tobias Burnus  <burnus@net-b.de>

        * gfortran.dg/finalize_10.f90: Update scan-tree-dump.


Co-Authored-By: Dominique d'Humieres <dominiq@lps.ens.fr>

From-SVN: r200006

2013-06-12  Tobias Burnus  <burnus@net-b.de>
            Dominique d'Humieres  <dominiq@lps.ens.fr>

        * gfortran.dg/finalize_10.f90: Update dg-dump.


Co-Authored-By: Dominique d'Humieres <dominiq@lps.ens.fr>

From-SVN: r200003

re PR tree-optimization/57537 (gcc.dg/vect/slp-widen-mult-half.c generating wrong code on PowerPC64)

	PR tree-optimization/57537
	* tree-vect-patterns.c (vect_recog_widen_mult_pattern): If
	vect_handle_widen_op_by_const, convert oprnd1 to half_type1.

From-SVN: r200000

2013-06-12  Richard Biener  <rguenther@suse.de>

	* data-streamer.h (streamer_write_char_stream): CSE
	obs->current_pointer.
	* data-streamer-out.c (streamer_write_uhwi_stream): Inline
	streamer_write_char_stream manually and optimize the resulting loop.
	(streamer_write_hwi_stream): Likewise.

From-SVN: r199992

	* lto-symtab.c (lto_symtab_merge_symbols): Populate symtab hashtable.
	* cgraph.h (varpool_create_empty_node): Declare.
	* lto-cgraph.c (input_node, input_varpool_node): Forcingly create
	duplicated nodes.
	* symtab.c (symtab_unregister_node): Be lax about missin entries
	in node hash.
	(symtab_get_node): Update comment.
	* varpool.c (varpool_create_empty_node): Break out from ...
	(varpool_node_for_decl): ... here.
	* lto-streamer.h (lto_file_decl_data): Add RESOLUTION_MAP.

	* lto.c (register_resolution): Take lto_file_data argument.
	(lto_register_var_decl_in_symtab,
	lto_register_function_decl_in_symtab): Update.
	(read_cgraph_and_symbols): Update resolution_map handling.

From-SVN: r199990

	* expr.c (expand_expr_real_1) <TARGET_MEM_REF>: Use straight-line flow.
	<MEM_REF>: Use 'type' instead of TREE_TYPE (exp) and tidy up the first
	part.  Use straight-line flow at the end.
	<COMPONENT_REF>: Remove superfluous else.
	<VIEW_CONVERT_EXPR>: Use 'type' instead of TREE_TYPE (exp).

From-SVN: r199986

	PR target/56564
	* gcc.target/i386/pr56564-1.c: Skip on darwin, mingw and cygwin.
	* gcc.target/i386/pr56564-3.c: Likewise.

From-SVN: r199985

	PR target/56564
	* varasm.c (decl_binds_to_current_def_p): Call binds_local_p
	target hook even for !TREE_PUBLIC decls.  If no resolution info
	is available, return false for common and external decls.

From-SVN: r199984

	* config/rl78/constraints.md (U): New constraint.
	* config/rl78/rl78.md (mulqi3_rl78,mulhi3_rl78,mulhi3_g13): Add
	valloc attribute.

From-SVN: r199976

From-SVN: r199975

re PR target/57589 (Linux powerpc -mcpu=native returns pointer to variable on stack in driver-rs6000.c)

2013-06-11  Michael Meissner  <meissner@linux.vnet.ibm.com>

	PR target/57589
	* config/rs6000/driver-rs6000.c (elf_platform): Make buffer static
	to allow returning address to AT_PLATFORM name.

From-SVN: r199972

	* c-family/c-common.c (handle_alias_ifunc_attribute): Do not set
	DECL_EXTERNAL for weakref variables.
	* c-family/c-pragma.c (handle_pragma_weak): Make sure aliases
	are not declared as external.
	* cgraph.c (cgraph_create_function_alias): Set weakref flag.
	* cgraph.h (symtab_node_base): Add weakref flag.
	* cgraphunit.c (cgraph_reset_node): Clear weakref flag.
	(handle_alias_pairs): Set weakref flag, do not set DECL_EXTERNAL.
	(output_weakrefs): Use weakref flag.
	* fold-const.c (simple_operand_p): Handle WEAK.
	* gimple-fold.c (can_refer_decl_in_current_unit_p): Drop weakref.
	* ipa.c (varpool_externally_visible_p): Drop weakref.
	(function_and_variable_visibility): Update comment; fix weakref
	sanity checks; do not clear DECL_WEAK on them.
	* lto-cgraph.c (lto_output_node): update.
	(lto_output_varpool_node): Update.
	(input_overwrite_node): Update.
	(input_node): Update.
	(input_varpool_node): Update.
	* lto-symtab.c (lto_symtab_symbol_p): Do not special case weakrefs.
	(lto_symtab_merge_symbols): Add sanity check.
	(lto_symtab_prevailing_decl): Do not special case weakrefs.
	* passes.c (rest_of_decl_compilation): Set static flag, too.
	* symtab.c (dump_symtab_base): Dump weakref.
	(verify_symtab_base): Sanity check weakrefs.
	(symtab_make_decl_local): Remove duplicated code.
	(symtab_alias_ultimate_target): Simplify.
	* varpool.c (varpool_create_variable_alias): Set weakref flag.

	* lto-partition.c (get_symbol_class): Simplify weakref handling.
	(add_symbol_to_partition_1): Likewise.
	(contained_in_symbol): Likewise.
	(lto_balanced_map): Likewise.
	(rename_statics): Drop weakref.

From-SVN: r199971

2013-06-11  Tom de Vries  <tom@codesourcery.com>

	* genautomata.c (gen_regexp_sequence): Handle els_num == -1.  Handle
	sequence_vect == NULL.

From-SVN: r199969