* graphite-optimize-isl.c: Include isl/ast_build.h
	(optimize_isl): Set several isl_options_set_* options.

Co-Authored-By: Sebastian Pop <s.pop@samsung.com>

From-SVN: r231467

we used to add the access functions in the wrong order, Fortran style, leading to unprofitable interchanges.

	* graphite-sese-to-poly.c (pdr_add_memory_accesses): Iterate in
	the same order as adding data reference access functions.

Co-Authored-By: Sebastian Pop <s.pop@samsung.com>

From-SVN: r231465

     * graphite-optimize-isl.c (optimize_isl): Improve dump message.

From-SVN: r231464

/cp
2015-12-09  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/60218
	* semantics.c (calculate_bases_helper): Don't call dfs_walk_all
	when TYPE_BINFO (type) is null.
	(calculate_bases): Handle gracefully a null vector->length ().

/testsuite
2015-12-09  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/60218
	* g++.dg/ext/bases2.C: New.

From-SVN: r231460

	* gcc.target/i386/sse4_1-roundps-1.c: Remove ASM_SUFFIX define.
	* gcc.target/i386/sse4_1-roundps-2.c: Ditto.
	* gcc.target/i386/sse4_1-roundps-3.c: Ditto.
	* gcc.target/i386/sse4_1-roundsd-1.c: Ditto.
	* gcc.target/i386/sse4_1-roundsd-2.c: Ditto.
	* gcc.target/i386/sse4_1-roundsd-3.c: Ditto.
	* gcc.target/i386/sse4_1-roundss-1.c: Ditto.
	* gcc.target/i386/sse4_1-roundss-2.c: Ditto.
	* gcc.target/i386/sse4_1-roundss-3.c: Ditto.

From-SVN: r231459

	* gcc.c-torture/execute/980716-1.c: Avoid undefined behavior due to
	passing terminating NULL as int rather than pointer.

From-SVN: r231458

re PR tree-optimization/66949 (ICE at -O2 and -O3 on x86_64-linux-gnu in tree_ssa_phiopt_worker, at tree-ssa-phiopt.c:335)

	PR tree-optimization/66949
	* tree-ssa-phiopt.c (tree_ssa_phiopt_worker): Don't call 
	single_non_singleton_phi_for_edges to get the PHI from
	factor_out_conditional_conversion.  Use NULL_TREE instead of NULL.
	(factor_out_conditional_conversion): Adjust declaration.  Make it
	return the newly-created PHI.

	* gcc.dg/torture/pr66949-1.c: New test.
	* gcc.dg/torture/pr66949-2.c: New test.

From-SVN: r231457

gcc/

	PR rtl-optimization/67609
	* config/aarch64/aarch64-protos.h
	(aarch64_cannot_change_mode_class): Bring back.
	* config/aarch64/aarch64.c
	(aarch64_cannot_change_mode_class): Likewise.
	* config/aarch64/aarch64.h (CANNOT_CHANGE_MODE_CLASS): Likewise.
	* config/aarch64/aarch64.md (aarch64_movdi_<mode>low): Use
	zero_extract rather than truncate.
	(aarch64_movdi_<mode>high): Likewise.

gcc/testsuite/

	PR rtl-optimization/67609
	* gcc.dg/torture/pr67609.c: New.

From-SVN: r231455

	PR tree-optimization/68786
	* tree-if-conv.c: Include builtins.h.
	(predicate_mem_writes): Put result of get_object_alignment (ref)
	into second argument's value.
	* tree-vect-stmts.c (vectorizable_mask_load_store): Put minimum
	pointer alignment into second argument's value.
	* tree-data-ref.c (get_references_in_stmt): Use value of second
	argument for build_aligned_type, and only the type to build
	a zero second argument for MEM_REF.
	* internal-fn.c (expand_mask_load_optab_fn,
	expand_mask_store_optab_fn): Likewise.

From-SVN: r231454

2015-12-09  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/68583
	* tree-if-conv.c (if_convertible_phi_p): Drop
	flag_tree_loop_if_convert_stores check in favor of the
	existing any_mask_load_store check.
	(insert_gimplified_predicates): Likewise.
	(combine_blocks): Likewise.
	(tree_if_conversion): Likewise.
	(ifcvt_memrefs_wont_trap): Properly check
	flag_tree_loop_if_convert_stores in all places that can end
	up introducing store-data-races.
	(if_convertible_gimple_assign_stmt_p): Remove restriction
	on flag_tree_loop_if_convert_stores for stores we can if-convert
	without introducing store-data-races.  Force versioning for
	all if-converted stores.

	* gcc.dg/tree-ssa/ifc-pr68583.c: New testcase.
	* gcc.dg/vect/vect-72.c: Adjust.
	* gcc.dg/vect/vect-cselim-2.c: Likewise.
	* gcc.dg/vect/vect-strided-store-a-u8-i2.c: Likewise.

From-SVN: r231453

2015-12-09  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/68417
	* gcc.dg/vect/pr68417.c: New testcase.

From-SVN: r231452

	PR ada/66526
	* g-expect.adb (Set_Up_Child_Communications): Add matching condition
	for uses of Input, Ouput and Error variables after the Execvp call.

From-SVN: r231450

2015-12-09  Tom de Vries  <tom@codesourcery.com>

	PR tree-optimization/68716
	* tree-ssa-structalias.c (find_func_clobbers): Fix handling of
	BUILT_IN_GOMP_PARALLEL and BUILT_IN_GOACC_PARALLEL.

	* testsuite/libgomp.c/omp-nested-2.c: New test.

From-SVN: r231449

	* hash-traits.h (struct typed_delete_remove): New function.
	(typed_delete_remove ::remove): Likewise.
	* tree-ssa-loop-ivopts.c (struct iv_common_cand): Replace
	auto_vec with vec.
	(record_common_cand): Replace XNEW with operator new.

From-SVN: r231448

	* tree-if-conv.c (ifcvt_local_dce): Replace vec with auto_vec.

From-SVN: r231447

Fix PR ipa/68790

	PR ipa/68790
	* ipa-icf.c (sem_function::param_used_p): Return true
	if ipa_node_params_sum equals to NULL.
	* gcc.dg/ipa/pr68790.c: New test.

From-SVN: r231446

From-SVN: r231445

2015-12-09  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/68583
	* tree-if-conv.c (ifc_dr): Make flags bool, add w_unconditionally
	flag and rename predicates to w_predicate, rw_predicate and
	base_w_predicate.
	(DR_WRITTEN_AT_LEAST_ONCE): Rename to ...
	(DR_BASE_W_UNCONDITIONALLY): ... this.
	(DR_W_UNCONDITIONALLY): Add.
	(hash_memrefs_baserefs_and_store_DRs_read): Adjust.  Compute
	unconditionally written separately from read or written.
	(ifcvt_memrefs_wont_trap): Properly treat reads.
	(ifcvt_could_trap_p): Inline ...
	(if_convertible_gimple_assign_stmt_p): ... here.  Refactor
	to avoid code duplication.
	(if_convertible_loop_p_1): Adjust and properly initialize
	predicates.

From-SVN: r231444

2015-12-09  Richard Biener  <rguenther@suse.de>

	* tree-vect-stmts.c (vectorizable_load): Set new vinfo only
	if it was not yet set.
	* tree-vectorizer.h (set_vinfo_for_stmt): Assert we don't
	overwrite an existing entry.

From-SVN: r231443

	PR ipa/61886
	PR middle-end/25140
	* ipa-reference.c (is_improper): Break out from ...
	(is_proper_for_analysis): ... here; fix WRT aliases.
	(analyze_function, generate_summary,
	ipa_reference_write_optimization_summary,
	ipa_reference_read_optimization_summary): Use ipa_reference_var_uid.
	* ipa-refrence.h (ipa_reference_var_uid): New inline.
	* tree-ssa-alias.c (ref_maybe_used_by_call_p_1,
	call_may_clobber_ref_p_1): Use ipa_reference_var_uid.

	* gcc.c-torture/execute/alias-3.c: New testcase.

From-SVN: r231442

2015-12-09  Chung-Lin Tang  <cltang@codesourcery.com>

	* c-family/c-omp.c (c_finish_oacc_wait): Remove add_stmt() call.
	* c/c-parser.c (c_parser_oacc_wait): Add add_stmt() call.
	* cp/parser.c (cp_parser_oacc_wait): Add finish_expr_stmt() call.

From-SVN: r231441

	PR ipa/61886
	* symtab.c (symtab_node::equal_address_to): New parameter
	MEMORY_ACCESSED.
	* cgraph.h (symtab_node::equal_address_to): Update prototype.

From-SVN: r231440

* config/rx/rx.opt (-mjsr): Add.
* config/rx/predicates.md (rx_call_operand): Avoid overflowing
calls when -mjsr.
* config/rx/rx.c (rx_function_ok_for_sibcall): Likewise for
overflowing jumps.
* doc/invoke.texi (-mjsr): Document it.

From-SVN: r231439

	PR ipa/61886
	* lto-streamer.h (lto_symtab_merge_decls, lto_symtab_merge_symbols,
	lto_symtab_prevailing_decl): MOve to lto-symtab.h.
	* lto-streamer-out.c (DFS::DFS_write_tree_body): Check that
	DECL_ABSTRACT_ORIGIN is not error_mark_node.

	* lto-symtab.c: Include lto-symtab.h.
	(lto_cgraph_replace_node): Do not merge profiles here.
	(lto_symtab_merge_p): New function.
	(lto_symtab_merge_decls_2): Honor lto_symtab_merge_p.
	(lto_symtab_merge_symbols_1): Turn unmerged decls into transparent
	aliases.
	(lto_symtab_merge_symbols): Do not clear node->aux; we no longer use it.
	(lto_symtab_prevailing_decl): Move to lto-symtab.h; rewrite.
	* lto.c: Include lto-symtab.h
	* lto-symtab.h: New.

From-SVN: r231438

of a virtual base.

gcc/testsuite/ChangeLog:
	* g++.dg/other/offsetof8.C: New test.

gcc/cp/ChangeLog:
	* typeck.c (build_class_member_access_expr): Strip NOPs before
        testing a potentially null operand for equality to zero.

From-SVN: r231437

gcc/ChangeLog:
	* tree-nested.c (convert_tramp_reference_stmt): Fix indentation.

From-SVN: r231436

gcc/ChangeLog:
	* tree-ssa-loop-unswitch.c (tree_unswitch_outer_loop): Fix
	indentation.

From-SVN: r231435

From-SVN: r231434

	PR ipa/61886
	* lto-cgraph.c (compute_ltrans_boundary): Add transparent alias targets
	into the boundary.

From-SVN: r231430

	PR ipa/61886
	* varpool.c (varpool_node::get_availability): Recurse only on
	weakrefs with definition in the target.
	(symbol_table::remove_unreferenced_decls): Keep aliases in the boundary.

From-SVN: r231429

	PR ipa/61886
	* ipa-visibility.c (can_replace_by_local_alias): Look through transparent
	aliaes; refuse weakrefs.
	(update_visibility_by_resolution_info): Skip transparent aliases in the
	analysis part

From-SVN: r231428

	PR ipa/61886
	* symtab.c (symtab_node::verify_base): Fix thinko in a conditional.
	(symtab_node::noninterposable_alias): Do not accept transparent
	aliases.

From-SVN: r231427

	gcc/
	* config/nvptx/nvptx.c (decl_chunk_size, decl_chunk_mode,
	decl_offset, init_part, object_size, object_finished): Replace
	with ...
	(struct init_frag): ... this new struct variable.
	(begin_decl_field, output_decl_chunk): Replace with ...
	(output_init_frag): ... this new function.
	(nvptx_assemble_value): Reimplement.
	(nvptx_assemble_integer, nvptx_output_skip): Adjust.
	(nvptx_assemble_decl_begin, nvptx_assemble_decl_end): Adjust.
	(nvptx_output_aligned_decl): Call nvptx_assemble_decl_end.

	gcc/testsuite/
	* gcc.target/nvptx/trailing-init.c: New.

From-SVN: r231426

	PR ipa/61886
	* lto-partition.c (add_symbol_to_partition_1): Transparent aliases
	are not part of the definition.
	(contained_in_symbol): Likewise.
	(promote_symbol): When promoting a symbol also promote all transparent
	aliases.
	(rename_statics): Weakref needs unique name, too.

From-SVN: r231425

	PR middle-end/68291
	PR middle-end/68292
	* cfgexpand.c (set_rtl): Always accept mode mismatch for SSA names
	with BLKmode promoted mode based on RESULT_DECLs.

From-SVN: r231422

	* gcc.c-torture/compile/920723-1.c: Remove PTX skip. 
	* gcc.c-torture/compile/pr33855.c: Likewise.
	* gcc.c-torture/execute/981019-1.c: Remove PTX -O2 skip.

From-SVN: r231421

From-SVN: r231420

	PR target/68701
	* config/i386/i386.c (ix86_option_override_internal): Enable
	-maccumulate-outgoing-args when %ebp is fixed due to stack
	realignment requirements.

testsuite/ChangeLog:

	PR target/68701
	* testsuite/gcc.target/i386/pr68701-1.c: New test.
	* testsuite/gcc.target/i386/pr68701-2.c: Ditto.

From-SVN: r231419

	* gcc.target/i386/sse4_1-round.h (do_round): Fix inline asm statements.
	* gcc.target/i386/sse4_1-roundsd-4.c (do_round): Ditto.
	* gcc.target/i386/sse4_1-roundss-4.c (do_round): Ditto.

From-SVN: r231418

From-SVN: r231416