gcc/
	* hard-reg-set.h: Include hash-table.h.
	(target_hard_regs): Add a finalize method and a x_simplifiable_subregs
	field.
	* target-globals.c (target_globals::~target_globals): Call
	hard_regs->finalize.
	* rtl.h (subreg_shape): New structure.
	(shape_of_subreg): New function.
	(simplifiable_subregs): Declare.
	* reginfo.c (simplifiable_subreg): New structure.
	(simplifiable_subregs_hasher): Likewise.
	(simplifiable_subregs): New function.
	(invalid_mode_changes): Delete.
	(alid_mode_changes, valid_mode_changes_obstack): New variables.
	(record_subregs_of_mode): Remove subregs_of_mode parameter.
	Record valid mode changes in valid_mode_changes.
	(find_subregs_of_mode): Remove subregs_of_mode parameter.
	Update calls to record_subregs_of_mode.
	(init_subregs_of_mode): Remove invalid_mode_changes and bitmap
	handling.  Initialize new variables.  Update call to
	find_subregs_of_mode.
	(invalid_mode_change_p): Check new variables instead of
	invalid_mode_changes.
	(finish_subregs_of_mode): Finalize new variables instead of
	invalid_mode_changes.
	(target_hard_regs::finalize): New function.
	* ira-costs.c (print_allocno_costs): Call invalid_mode_change_p
	even when CLASS_CANNOT_CHANGE_MODE is undefined.

From-SVN: r215449

gcc/
	* combine.c (subst): Use simplify_subreg_regno rather than
	REG_CANNOT_CHANGE_MODE_P to detect invalid mode changes.

From-SVN: r215448

gcc/
	* rtl.h (subreg_info): Expand commentary
	* rtlanal.c (subreg_get_info): Likewise.

From-SVN: r215447

	* hard-reg-set.h (COPY_HARD_REG_SET, COMPL_HARD_REG_SET)
	(AND_HARD_REG_SET, AND_COMPL_HARD_REG_SET, IOR_HARD_REG_SET)
	(IOR_COMPL_HARD_REG_SET): Allow the "from" set to be constant.

From-SVN: r215446

	* gcc-interface/decl.c (gnat_to_gnu_entity): Adjust comment.
	* gcc-interface/utils.c (gnat_write_global_declarations): Fix typo.

From-SVN: r215445

2014-09-22  Zhenqiang Chen  <zhenqiang.chen@arm.com>

	* config/arm/arm.c: #include "tm-constrs.h"
	(thumb1_size_rtx_costs): Adjust rtx costs.

From-SVN: r215444

	* crtstuff.c (USE_EH_FRAME_REGISTRY): Let USE_EH_FRAME_REGISTRY_ALWAYS
	override USE_PT_GNU_EH_FRAME.
	[__LIBGCC_EH_FRAME_SECTION_NAME__ && !USE_PT_GNU_EH_FRAME]: Sanity-
	check USE_EH_FRAME_REGISTRY_ALWAYS against
	__LIBGCC_EH_FRAME_SECTION_NAME__, emit error if unsane.
	* Makefile.in (FORCE_EXPLICIT_EH_REGISTRY): New
	variable for substituted force_explicit_eh_registry.
	(CRTSTUFF_CFLAGS): Add FORCE_EXPLICIT_EH_REGISTRY.
	* configure.ac (explicit-exception-frame-registration):
	New AC_ARG_ENABLE.
	* configure: Regenerate.

From-SVN: r215443

From-SVN: r215442

configure.ac (target_header_dir): Move block defining this to before the block setting inhibit_libc.

	* configure.ac (target_header_dir): Move block defining
	this to before the block setting inhibit_libc.
	(inhibit_libc): When considering $with_headers, just
	check it it's explicitly "no".  If not, also check if
	$target_header_dir/stdio.h is present.  If not, set
	inhibit_libc=true.
	* configure: Regenerate.

From-SVN: r215439

From-SVN: r215438

2014-09-21  Segher Boessenkool  <segher@kernel.crashing.org>

	* config/rs6000/rs6000.md (div<mode>3): Fix comment.  Use a different
	insn for divides by integer powers of two.
	(div<mode>3_sra, *div<mode>3_sra_dot, *div<mode>3_sra_dot2): New.
	(mod<mode>3): Fix formatting.
	(three anonymous define_insn and two define_split): Delete.

From-SVN: r215437

	* config/rs6000/rs6000.md (ashr<mode>3, *ashr<mode>3, *ashrsi3_64,
	*ashr<mode>3_dot, *ashr<mode>3_dot2): Clobber CA_REGNO.
	(floatdisf2_internal2): Ditto.
	(ashrdi3_no_power): Ditto.  Fix formatting.

From-SVN: r215436

2014-09-21  Segher Boessenkool  <segher@kernel.crashing.org>

	* config/rs6000/rs6000.md (ctz<mode>2, ffs<mode>2, popcount<mode>2,
	popcntb<mode>2, popcntd<mode>2, parity<mode>2, parity<mode>2_cmpb):
	Tidy.

From-SVN: r215435

2014-09-21  Segher Boessenkool  <segher@kernel.crashing.org>

	* config/rs6000/rs6000.md (strlensi): Don't use subsi3 with a
	constant, use addsi3 directly.
	(three anonymous define_insn, two define_split): Delete.
	(sub<mode>3): Move.  Do not allow constant second operand.
	Generate different insn for constant first operand.
	(*subf<mode>3, *subf<mode>3_dot, *subf<mode>3_dot2): New.
	(subf<mode>3_imm): New.
	(ctz<mode>2, ffs<mode>2): Clobber CA_REGNO where required.
	(*plus_ltu<mode>): Only handle registers.
	(*plus_ltu<mode>_1): New.  Handle integer third operand.
	(*plus_gtu<mode>): Only handle registers.
	(*plus_gtu<mode>_1): New.  Handle integer third operand.

From-SVN: r215434

2014-09-21  Segher Boessenkool  <segher@kernel.crashing.org>

	* config/rs6000/rs6000.md (iorxor): New code_iterator.
	(iorxor): New code_attr.
	(IORXOR): New code_attr.
	(*and<mode>3, *and<mode>3_dot, *and<mode>3_dot2): Delete.
	(ior<mode>3, xor<mode>3): Delete.
	(<iorxor><mode>3): New.
	(splitter for "big" integer ior, xor): New.
	(*bool<mode>3): Move.  Also handle AND.
	(*bool<mode>3_dot, *bool<mode>3_dot2): Also handle AND.
	(splitter for "big" integer ior, xor): Delete.

From-SVN: r215433

2014-09-21  Segher Boessenkool  <segher@kernel.crashing.org>

	* config/rs6000/rs6000.md (*neg<mode>2_internal): Delete.
	(two anonymous define_insn and two define_split): Delete.
	(*neg<mode>2, *neg<mode>2_dot, *neg<mode>2_dot2): New.

From-SVN: r215432

2014-09-21  Segher Boessenkool  <segher@kernel.crashing.org>

	* config/rs6000/rs6000.md (*one_cmpl<mode>2): Generate "not" insn.
	(two anonymous define_insn and two define_split): Delete.
	(*one_cmpl<mode>2_dot, *one_cmpl<mode>2_dot2): New.

From-SVN: r215431

2014-09-21  Segher Boessenkool  <segher@kernel.crashing.org>

	* config/rs6000/rs6000.c (rs6000_rtx_costs) <NE>: New.

From-SVN: r215430

2014-09-21  Segher Boessenkool  <segher@kernel.crashing.org>

	* config/rs6000/predicates.md (ca_operand): Allow subregs.
	(input_operand): Do not allow ca_operand.
	* config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): For the
	carry bit, allow SImode and Pmode.
	(rs6000_init_hard_regno_mode_ok): Make the carry bit class NO_REGS.

From-SVN: r215429

	* config/i386/i386.c (ix86_expand_call): Generate MS->SYSV extra
	clobbered registers using clobber_reg.  Remove UNSPEC decoration.
	* config/i386/i386.md (unspec) <UNSPEC_MS_TO_SYSV_CALL>: Remove.
	(*call_rex64_ms_sysv): Remove.
	(*call_value_rex64_ms_sysv): Ditto.
	* config/i386/predicates.md (call_rex64_ms_sysv_operation): Remove.

testsuite/ChangeLog:

	* gcc.target/i386/avx-vzeroupper-16.c (dg-final): Remove check
	for call_value_rex64_ms_sysv.
	* gcc.target/i386/avx-vzeroupper-17.c (dg-final): Ditto.
	* gcc.target/i386/avx-vzeroupper-18.c (dg-final): Remove check
	for call_rex64_ms_sysv.

From-SVN: r215428

re PR c++/62017 (AddressSanitizer reports *-buffer-overflow in destructor when multiple virtual inheritance is used)

	PR c++/62017
	* decl.c (begin_destructor_body): Only clobber the as-base part of
	*this.

From-SVN: r215427

From-SVN: r215426

From-SVN: r215423

        * config/epiphany/epiphany.md (sub_f_add_imm): Change constraint of
        operand 3 to "CnL".

From-SVN: r215422

trans-intrinsic.c (conv_intrinsic_atomic_op): Fix issue with generating temporary for value argument.

2014-09-20  Alessandro Fanfarillo  <fanfarillo.gcc@gmail.com>
            Tobias Burnus  <burnus@net-b.de>

gcc/fortran
        * trans-intrinsic.c (conv_intrinsic_atomic_op): Fix issue with
        generating temporary for value argument.

gcc/testsuite/
        * gfortran.dg/coarray_atomic_5.f90: New


Co-Authored-By: Tobias Burnus <burnus@net-b.de>

From-SVN: r215421

2014-09-20  Joost VandeVondele  <vondele@gcc.gnu.org>

	* trans-expr.c (gfc_reset_vptr): Fix comment whitespace.
	(gfc_conv_class_to_class): Likewise.
	(gfc_conv_procedure_call): Likewise.
	(arrayfunc_assign_needs_temporary): Likewise.
	(realloc_lhs_loop_for_fcn_call): Likewise.
	(gfc_trans_assignment_1): Likewise.
	* trans-array.c (gfc_conv_array_ref): Likewise.
	(gfc_array_allocate): Likewise.
	(gfc_alloc_allocatable_for_assignment): Likewise.
	* symbol.c (generate_isocbinding_symbol): Likewise.
	* class.c (finalization_scalarizer): Likewise.
	(finalizer_insert_packed_call): Likewise.
	(generate_finalization_wrapper): Likewise.
	(find_intrinsic_vtab): Likewise.
	* decl.c (gfc_match_import): Likewise.
	(match_procedure_decl): Likewise.
	(gfc_match_subroutine): Likewise.
	(gfc_match_bind_c): Likewise.
	(gfc_match_volatile): Likewise.
	* trans-common.c (create_common): Likewise.
	* error.c (gfc_diagnostic_starter): Likewise.
	* trans-stmt.c (gfc_trans_sync): Likewise.
	(gfc_trans_critical): Likewise.
	(gfc_trans_simple_do): Likewise.
	(gfc_trans_do): Likewise.
	(gfc_trans_where_assign): Likewise.
	* expr.c (gfc_is_simply_contiguous): Likewise.
	* module.c (unquote_string): Likewise.
	* trans.c (gfc_add_finalizer_call): Likewise.
	* trans-types.c (gfc_init_kinds): Likewise.
	* scanner.c (preprocessor_line): Likewise.
	* gfortranspec.c (lang_specific_driver): Likewise.
	* frontend-passes.c (create_var): Likewise.
	(cfe_expr_0): Likewise.
	* resolve.c (check_host_association): Likewise.
	(gfc_resolve_code): Likewise.
	(resolve_fl_derived0): Likewise.
	(resolve_symbol): Likewise.
	* f95-lang.c (poplevel): Likewise.
	* trans-decl.c (create_main_function): Likewise.
	* trans-io.c (transfer_expr): Likewise.
	* arith.c (gfc_arith_divide): Likewise.
	* parse.c (resolve_all_program_units): Likewise.
	* check.c (gfc_check_rank): Likewise.
	(gfc_check_sizeof): Likewise.
	(is_c_interoperable): Likewise.
	* dependency.c (gfc_dep_difference): Likewise.
	* primary.c (gfc_match_rvalue): Likewise.
	* trans-intrinsic.c (conv_intrinsic_system_clock): Likewise.
	(conv_isocbinding_subroutine): Likewise.
	* options.c (gfc_post_options): Likewise.
	(gfc_handle_fpe_option): Likewise.
	(gfc_get_option_string): Likewise.
	* simplify.c (simplify_transformation_to_scalar): Likewise.
	(gfc_simplify_spread): Likewise.

From-SVN: r215420

* config/ia64/ia64.md: Remove constraints from define_split
patterns.

From-SVN: r215419

	* ipa-utils.h (ipa_polymorphic_call_context): Turn into class; add ctors.
	(possible_polymorphic_call_targets, dump_possible_polymorphic_call_targets,
	possible_polymorphic_call_target_p, possible_polymorphic_call_target_p): Simplify.
	(get_dynamic_type): Remove.
	* ipa-devirt.c (ipa_dummy_polymorphic_call_context): Remove.
	(clear_speculation): Bring to ipa-deivrt.h
	(get_class_context): Rename to ...
	(ipa_polymorphic_call_context::restrict_to_inner_class): ... this one.
	(contains_type_p): Update.
	(get_dynamic_type): Rename to ...
	ipa_polymorphic_call_context::get_dynamic_type(): ... this one.
	(possible_polymorphic_call_targets): UPdate.
	* tree-ssa-pre.c (eliminate_dom_walker::before_dom_children): Update.
	* ipa-prop.c (ipa_analyze_call_uses): Update.

From-SVN: r215418

	* ipa-visibility.c (varpool_node::externally_visible_p): Do not
	privatize dynamic TLS variables.

From-SVN: r215417

	* diagnostic.c (warning_n): New function.
	* diagnostic-core.h (warning_n): Declare.
	* ipa-devirt.c (ipa_devirt): Handle singulars correctly;
	output dynamic counts when available.

From-SVN: r215416

re PR tree-optimization/63255 (FAIL: gcc.dg/lto/ipareference2 c_lto_ipareference2_0.o-c_lto_ipareference2_1.o execute  -O1 -flto -flto-partition=1to1 -fwhole-program)


	PR tree-optimization/63255
	* ipa.c (symbol_table::remove_unreachable_nodes): Fix ordering
	issue in setting body_removed flag.

From-SVN: r215415

	PR c++/61392
	* mangle.c (write_expression): Use unresolved-name mangling for
	DR850 case.

From-SVN: r215414

	PR c++/61465
	* call.c (convert_like_real) [ck_identity]: Call mark_rvalue_use
	after pulling out an element from a CONSTRUCTOR.

From-SVN: r215413

From-SVN: r215412

	PR c++/61825
	* c-family/c-common.c (handle_alias_ifunc_attribute): Check
	that visibility change is possible
	(handle_weakref_attribute): Likewise.
	* cgraph.h (symtab_node): Add method get_create and
	field refuse_visibility_changes.
	(symtab_node::get_create): New method.
	* fold-const.c (tree_single_nonzero_warnv_p): Use get_create.
	* varasm.c (mark_weak): Verify that visibility change is
	possible.

	* gcc.dg/tree-ssa/nonzero-1.c: Require error to be output.

From-SVN: r215409

predicates.md (fusion_gpr_mem_load): Move testing for base_reg_operand to be common between LO_SUM and PLUS.

2014-09-19  Michael Meissner  <meissner@linux.vnet.ibm.com>

	* config/rs6000/predicates.md (fusion_gpr_mem_load): Move testing
	for base_reg_operand to be common between LO_SUM and PLUS.
	(fusion_gpr_mem_combo): New predicate to match a fused address
	that combines the addis and memory offset address.

	* config/rs6000/rs6000-protos.h (fusion_gpr_load_p): Change
	calling signature.
	(emit_fusion_gpr_load): Likewise.

	* config/rs6000/rs6000.c (fusion_gpr_load_p): Change calling
	signature to pass each argument separately, rather than
	using an operands array.  Rewrite the insns found by peephole2 to
	be a single insn, rather than hoping the insns will still be
	together when the peephole pass is done.  Drop being called via a
	normal peephole.
	(emit_fusion_gpr_load): Change calling signature to be called from
	the fusion_gpr_load_<mode> insns with a combined memory address
	instead of the peephole pass passing the addis and offset
	separately.

	* config/rs6000/rs6000.md (UNSPEC_FUSION_GPR): New unspec for GPR
	fusion.
	(power8 fusion peephole): Drop support for doing power8 via a
	normal peephole that was created by the peephole2 pass.
	(power8 fusion peephole2): Create a new insn with the fused
	address, so that the fused operation is kept together after
	register allocation is done.
	(fusion_gpr_load_<mode>): Likewise.

From-SVN: r215404

	PR lto/63286
	* tree.c (need_assembler_name_p): Do not mangle variadic types.

From-SVN: r215403

From-SVN: r215402

       * gcc.dg/pg-override.c: Only run on x86 Linux.
       * gcc.dg/pg.c: Dito.
       * gcc.target/i386/fentry-override.c: Exclude for PIC.
       * gcc.target/i386/fentry.c: Dito.

From-SVN: r215401

2014-09-19  Segher Boessenkool  <segher@kernel.crashing.org>

	* dg-extract-results.py (Prog.result_re): Include options in test name.

From-SVN: r215400