+2015-10-01 Sebastian Pop <s.pop@samsung.com>
+ Aditya Kumar <aditya.k7@samsung.com>
+
+ PR tree-optimization/67754
+ * graphite-scop-detection.c (stmt_has_simple_data_refs_p): Call
+ scev analysis on the same loop nest as analyze_drs_in_stmts.
+ * graphite-sese-to-poly.c (outermost_loop_in_sese_1): Moved and renamed...
+ (try_generate_gimple_bb): Call outermost_loop_in_sese.
+ (analyze_drs_in_stmts): Same.
+ * sese.c (outermost_loop_in_sese): ...here.
+
+2015-10-01 Sebastian Pop <s.pop@samsung.com>
+ Aditya Kumar <aditya.k7@samsung.com>
+
+ PR tree-optimization/67754
+ * graphite-scop-detection.c (loop_body_is_valid_scop): Add missing
+ recursion on the inner loops.
+
+2015-10-01 Trevor Saunders <tbsaunde+gcc@tbsaunde.org>
+
+ * cfganal.c, compare-elim.c, coverage.c, cprop.c, df-scan.c,
+ function.c, read-rtl.c, statistics.c, trans-mem.c, tree-if-conv.c,
+ tree-into-ssa.c, tree-loop-distribution.c, tree-ssa-coalesce.c,
+ tree-ssa-loop-ivopts.c, tree-ssa-reassoc.c, tree-ssa-strlen.c,
+ tree-ssa-tail-merge.c, tree-vrp.c, var-tracking.c: Remove
+
+2015-10-01 Marek Polacek <polacek@redhat.com>
+
+ PR c/65345
+ * config/i386/i386.c (ix86_atomic_assign_expand_fenv): Adjust to use
+ create_tmp_var_raw rather than create_tmp_var.
+
+2015-10-01 Marek Polacek <polacek@redhat.com>
+
+ PR tree-optimization/67769
+ * tree-ssa-phiopt.c (conditional_replacement): Call
+ reset_flow_sensitive_info_in_bb.
+ (minmax_replacement): Likewise.
+ (abs_replacement): Likewise.
+
+2015-10-01 Nathan Sidwell <nathan@codesourcery.com>
+
+ * builtins.c: Don't include gomp-constants.h.
+ (fold_builtin_1): Don't fold acc_on_device here.
+ * gimple-fold.c: Include gomp-constants.h.
+ (gimple_fold_builtin_acc_on_device): New.
+ (gimple_fold_builtin): Call it.
+
+2015-10-01 H.J. Lu <hongjiu.lu@intel.com>
+
+ * config/i386/x86-tune.def (X86_TUNE_USE_BT): Enable for
+ Lakemont.
+ (X86_TUNE_ZERO_EXTEND_WITH_AND): Disable for Lakemont.
+
+2015-10-01 James Greenhalgh <james.greenhalgh@arm.com>
+
+ * config/arm/aarch-common-protos.h
+ (aarch_accumulator_forwarding): New.
+ (aarch_forward_to_shift_is_not_shifted_reg): Likewise.
+ * config/arm/aarch-common.c (aarch_accumulator_forwarding): New.
+ (aarch_forward_to_shift_is_not_shifted_reg): Likewise.
+ * config/arm/cortex-a53.md: Rewrite.
+
+2015-10-01 Richard Biener <rguenther@suse.de>
+
+ * gimple-match.h (mprts_hook): Declare.
+ * gimple-match.head.c (mprts_hook): Define.
+ (maybe_push_res_to_seq): Use new hook.
+ * gimple-fold.c (gimple_fold_stmt_to_constant_1): Likewise.
+ * tree-ssa-sccvn.h (vn_ssa_aux::expr): Change to a gimple_seq.
+ (vn_ssa_aux::has_constants): Remove.
+ * tree-ssa-sccvn.c: Include gimple-match.h.
+ (VN_INFO_GET): Assert we don't re-use SSA names.
+ (vn_get_expr_for): Remove.
+ (expr_has_constants): Likewise.
+ (stmt_has_constants): Likewise.
+ (simplify_binary_expression): Likewise.
+ (simplify_unary_expression): Likewise.
+ (vn_lookup_simplify_result): New hook.
+ (visit_copy): Adjust.
+ (visit_reference_op_call): Likewise.
+ (visit_phi): Likewise.
+ (visit_use): Likewise.
+ (process_scc): Likewise.
+ (init_scc_vn): Likewise.
+ (visit_reference_op_load): Likewise. Use match-and-simplify and
+ a gimple seq for inserted expressions.
+ (try_to_simplify): Remove GENERIC stmt combining code.
+ (sccvn_dom_walker::before_dom_children): Use match-and-simplify.
+ * tree-ssa-pre.c (eliminate_insert): Adjust.
+ (eliminate_dom_walker::before_dom_children): Likewise.
+
+2015-10-01 Segher Boessenkool <segher@kernel.crashing.org>
+
+ * doc/invoke.texi (Optimization Options): Add
+ -freorder-blocks-algorithm=.
+ (Optimize Options) <-O>: Add -freorder-blocks.
+ <-O2>: Remove -freorder-blocks. Add -freorder-blocks-algorithm=stc.
+ <-Os>: Add -freorder-blocks-algorithm=stc as not enabled.
+ <-freorder-blocks>: Also enabled at levels -O and -Os.
+ <-freorder-blocks-algorithm=>: Document new option.
+
+2015-10-01 Segher Boessenkool <segher@kernel.crashing.org>
+
+ * bb-reorder.c (reorder_basic_blocks): Use the algorithm selected
+ with flag_reorder_blocks_algorithm.
+ * common.opt (freorder-blocks-algorithm=): New flag.
+ (reorder_blocks_algorithm): New enum.
+ * flag-types.h (reorder_blocks_algorithm): New enum.
+ * opts.c (default_options_table): Use -freorder-blocks at -O1 and up,
+ and -freorder-blocks-algorithm=stc at -O2 and up (not at -Os).
+
+2015-10-01 Segher Boessenkool <segher@kernel.crashing.org>
+
+ * bb-reorder.c: Add intro comment.
+ (reorder_basic_blocks_software_trace_cache): Print a header to
+ the dump file.
+ (edge_order): New function.
+ (reorder_basic_blocks_simple): New function.
+ (reorder_basic_blocks): Choose between the STC and the simple
+ algorithms (always choose the former).
+
+2015-10-01 Segher Boessenkool <segher@kernel.crashing.org>
+
+ * bb-reorder.c (reorder_basic_blocks_software_trace_cache): New
+ function, factored out from ...
+ (reorder_basic_blocks): ... here.
+
+2015-10-01 Tom de Vries <tom@codesourcery.com>
+
+ * tree-cfg.c (dump_function_to_file): Dump function attributes using
+ __attribute__(()) string. Move dumping of function attributes to before
+ function name.
+
+2015-10-01 Lynn Boger <laboger@linux.vnet.ibm.com>
+
+ PR target/66870
+ * config/rs6000/sysv4.h (TARGET_CAN_SPLIT_STACK_64BIT): Define.
+ * configure.ac: Define HAVE_GOLD_ALTERNATE_SPLIT_STACK on Power
+ based on gold linker version.
+ * gcc.c: Add -fuse-ld=gold to STACK_SPLIT_SPEC if
+ HAVE_GOLD_ALTERNATE_SPLIT_STACK defined.
+ * configure, config.in: Regenerate.
+
+2015-10-01 Alan Modra <amodra@gmail.com>
+
+ * config/rs6000/rs6000.c (rs6000_emit_prologue): Don't set
+ r2_setup_needed when TARGET_SINGLE_PIC_BASE.
+ (rs6000_output_mi_thunk): Likewise.
+
+2015-09-30 Nathan Sidwell <nathan@codesourcery.com>
+
+ * config/nvptx/mkoffload.c (process): Change offload data format.
+
+2015-09-30 Jeff Law <law@redhat.com>
+
+ * tree-ssa-dom.c (optimize_stmt): Collapse control flow statements
+ with constant conditions.
+ * tree-ssa-threadupdate.c (remove_jump_threads_starting_at): New.
+ (remove_ctrl_stmt_and_useless_edges): No longer static.
+ * tree-ssa-threadupdate.h (remove_jump_threads_starting_at): Prototype.
+ (remove_ctrl_stmt_and_useless_edges): Likewise.
+
+2015-09-30 Nathan Sidwell <nathan@codesourcery.com>
+ Cesar Philippidis <cesar@codesourcery.com>
+
+ * config/nvptx/nvptx.c (nvptx_goacc_validate_dims): New.
+ (TARGET_GOACC_VALIDATE_DIMS): Override.
+ * target.def (TARGET_GOACC): New target hook prefix.
+ (validate_dims): New hook.
+ * targhooks.h (default_goacc_validate_dims): New.
+ * omp-low.c (oacc_validate_dims): New.
+ (execute_oacc_device_lower): New.
+ (default_goacc_validate_dims): New.
+ (pass_data_oacc_device_lower): New.
+ (pass_oacc_device_lower): New pass.
+ (make_pass_oacc_device_lower): New.
+ * tree-pass.h (make_pass_oacc_device_lower): Declare.
+ * passes.def (pass_oacc_device_lower): Add it.
+ * doc/tm.texi: Rebuilt.
+ * doc/tm.texi.in (TARGET_GOACC_VALIDATE_DIMS): Add hook.
+ * doc/invoke.texi (oaccdevlow): Document tree dump flag.
+
+2015-09-30 Bernd Edlinger <bernd.edlinger@hotmail.de>
+
+ PR rtl-optimization/67037
+ * lra-constraints.c (process_addr_reg): Use copy_rtx when necessary.
+
+2015-09-30 Bernd Schmidt <bernds@redhat.com>
+
+ * gimple-ssa.h (gimple_df): Add free_ssanames_queue field.
+ * passes.c: Include tree-ssanames.h.
+ (execute_function_todo): Flush the pending free SSA_NAMEs after
+ eliminating unreachable basic blocks.
+ * tree-ssanames.c (FREE_SSANAMES_QUEUE): new.
+ (init_ssanames): Initialize FREE_SSANAMES_QUEUE.
+ (fini_ssanames): Finalize FREE_SSANAMES_QUEUE.
+ (flush_ssanames_freelist): New function.
+ (release_ssaname_fn): Put released names on the queue.
+ (pass_release_ssa_names::execute): Call flush_ssanames_freelist.
+ * tree-ssanames.h (flush_ssanames_freelist): Declare.
+
+2015-09-30 Thomas Schwinge <thomas@codesourcery.com>
+
+ * config/i386/intelmic-mkoffload.c (main): Parse "-v" flag.
+ (generate_target_descr_file, generate_target_offloadend_file)
+ (generate_host_descr_file, prepare_target_image, main): Pass it
+ on.
+ * config/nvptx/mkoffload.c (main): Parse "-v" flag.
+ (compile_native, main): Pass it on.
+ * lto-wrapper.c (compile_offload_image): Likewise.
+
+2015-09-30 Thomas Schwinge <thomas@codesourcery.com>
+ Ilya Verbin <ilya.verbin@intel.com>
+ Andrey Turetskiy <andrey.turetskiy@intel.com>
+
+ * config/i386/intelmic-mkoffload.c (generate_host_descr_file)
+ (prepare_target_image, main): Refactor argv building to use
+ obstacks.
+
+2015-09-30 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
+
+ * config/spu/spu-protos.h (spu_expand_atomic_op): Add prototype.
+ * config/spu/spu.c (spu_expand_atomic_op): New function.
+ * config/spu/spu.md (AINT): New mode iterator.
+ (ATOMIC): New code iterator.
+ (atomic_name, atomic_pred): New code predicates.
+ ("atomic_load<mode>", "atomic_store<mode>"): New expanders.
+ ("atomic_compare_and_swap<mode>", "atomic_exchange<mode>"): Likewise.
+ (""atomic_<atomic_name><mode>", "atomic_fetch_<atomic_name><mode>",
+ "atomic_<atomic_name>_fetch<mode>"): Likewise.
+
+2015-09-30 Ilya Enkovich <enkovich.gnu@gmail.com>
+
+ * config/i386/i386.c (scalar_chain::analyze_register_chain): Ignore
+ debug insns.
+ (scalar_chain::convert_reg): Likewise.
+
+2015-09-30 Richard Biener <rguenther@suse.de>
+
+ * builtins.c: Add comment that no new simplifications shouldd
+ be added here.
+
+2015-09-30 Marek Polacek <polacek@redhat.com>
+
+ PR tree-optimization/67690
+ * tree-ssa-ifcombine.c (pass_tree_ifcombine::execute): Call
+ reset_flow_sensitive_info_in_bb.
+ * tree-ssa-tail-merge.c (replace_block_by): Likewise.
+ * tree-ssanames.c: Include "gimple-iterator.h".
+ (reset_flow_sensitive_info_in_bb): New function.
+ * tree-ssanames.h (reset_flow_sensitive_info_in_bb): Declare.
+
+2015-09-30 Thomas Schwinge <thomas@codesourcery.com>
+
+ * config/i386/intelmic-mkoffload.c (target_ilp32): Remove
+ variable, replacing it with...
+ (offload_abi): ... this new variable. Adjust all users.
+ * config/nvptx/mkoffload.c (target_ilp32, offload_abi): Likewise.
+
+2015-09-30 Matthias Klose <doko@ubuntu.com>
+
+ * configure.ac: Remove extraneous ;;.
+ * configure: Regenerate.
+
2015-09-29 James Bowman <james.bowman@ftdichip.com>
* config/ft32/predicates.md (ft32_imm_operand): New predicate.