[PATCH] Refactoring FSM bits into their own file
	* tree-ssa-threadedge.c (fsm_find_thread_path): Moved from here into
	tree-ssa-threadbackward.c.
	(fsm_find_control_statement_thread_paths): Likewise.
	(thread_through_normal_block): Break out FSM bits and move them
	into a new function in tree-ssa-threadbackward.c.  Call new function
	instead.
	Minimize header file usage.
	* tree-ssa-threadbackward.h: New file.
	* tree-ssa-threadbackward.c: Likewise.
	* Makefile.in (OBJS): Add tree-ssa-threadbackward.o

From-SVN: r228700

From-SVN: r228699

I noticed that when testing glibc with a cross compiler I got

UNSUPPORTED: nptl/tst-thread_local1

because the libstdc++-v3 configuration for cross compiling defaulted
to __cxa_thread_atexit_impl not being available.  This patch fixes
GLIBCXX_CROSSCONFIG to run the same test (for the case covering
targets with glibc) for __cxa_thread_atexit_impl as for native
compilation, just as it runs most of the other tests done for native
compilation (for these targets, it's not possible to build libstdc++
without already having built libc, so link tests are OK).

Tested with no regressions for cross to arm-none-linux-gnueabi.

	* crossconfig.m4 (GLIBCXX_CROSSCONFIG) <*-linux* | *-uclinux* |
	*-gnu* | *-kfreebsd*-gnu | *-knetbsd*-gnu | *-cygwin*>: Check for
	__cxa_thread_atexit_impl.
	* configure: Regenerate.

From-SVN: r228695

	* config/alpha/alpha.h (ALPHA_ROUND): Implement using ROUND_UP macro.

From-SVN: r228693

As the PR points out, the "simple" reorder algorithm makes bigger code
than the STC algorithm did, for -Os, for x86.  I now tested it for many
different targets and it turns out to be worse everywhere.

This simple patch tunes "simple" a bit; this makes it better than STC
almost everywhere.  The only exceptions (for the targets where I have
results) are x86 and mn10300.  For those targets it may be best to switch
the default algorithm for -Os to STC.


2015-10-11  Segher Boessenkool  <segher@kernel.crashing.org>

	PR rtl-optimization/67864
	* gcc/bb-reorder (reorder_basic_blocks_simple): Prefer existing
	fallthrough edges for conditional jumps.  Don't sort candidate
	edges if not optimizing for speed.

From-SVN: r228692

2015-10-09  Venkataramanan kumar <venkataramanan.kumar@amd.com>

        * config/i386/cpuinfo.c (get_amd_cpu): Detect bdver4.
        (__cpu_indicator_init): Fix model selection for AMD CPUs.

From-SVN: r228691

gcc/ChangeLog:

2015-10-10  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>

	* defaults.h (REVERSE_CONDITION): New default definition.
	* jump.c (reversed_comparison_code_parts): Adjust.

From-SVN: r228690

gcc/ChangeLog:

2015-10-10  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>

	* builtins.c (expand_builtin_setjmp_receiver): Don't use #if to
	check HARD_FRAME_POINTER_IS_ARG_POINTER.

From-SVN: r228689

gcc/ChangeLog:

2015-10-10  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>

	* defaults.h (FRAME_ADDR_RTX): New default definition.
	* builtins.c (expand_builtin_return_addr): Adjust.

From-SVN: r228688

gcc/ChangeLog:

2015-10-10  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>

	* defaults.h (DYNAMIC_CHAIN_ADDRESS): New default definition.
	* builtins.c (expand_builtin_return_addr): Adjust.

From-SVN: r228687

gcc/ChangeLog:

2015-10-10  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>

	* defaults.h (SETUP_FRAME_ADDRESSES): New default definition.
	* builtins.c (expand_builtin_return_addr): Adjust.
	* doc/tm.texi: Likewise.
	* doc/tm.texi.in: Likewise.
	* except.c (expand_builtin_unwind_init): Likewise.

From-SVN: r228686

gcc/ChangeLog:

2015-10-10  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>

	* builtins.c (expand_builtin_return_addr): Adjust.
	* defaults.h (INITIAL_FRAME_ADDRESS_RTX): New default definition.

From-SVN: r228685

From-SVN: r228684

	* tree.c (type_with_interoperable_signedness): New.
	(gimple_canonical_types_compatible_p): Use it.
	* tree.h (type_with_interoperable_signedness): Declare

From-SVN: r228681

	* tree.c (type_with_interoperable_signedness): New.
	(gimple_canonical_types_compatible_p): Use it.
	* tree.h (type_with_interoperable_signedness): Declare

	* lto.c (hash_canonical_type): Honor
	type_with_interoperable_signedness.

	* gfortran.dg/lto/bind_c-2_0.f90: New testcase.
	* gfortran.dg/lto/bind_c-2_1.c: New testcase.
	* gfortran.dg/lto/bind_c-3_0.f90: New testcase.
	* gfortran.dg/lto/bind_c-3_1.c: New testcase.
	* gfortran.dg/lto/bind_c-4_0.f90: New testcase.
	* gfortran.dg/lto/bind_c-4_1.c: New testcase.
	* gfortran.dg/lto/bind_c-5_0.f90: New testcase.
	* gfortran.dg/lto/bind_c-5_1.c: New testcase.

From-SVN: r228680

	* fold-const.c (operand_equal_p): Document OEP_ADDRESS_OF
	and OEP_CONSTANT_ADDRESS_OF; skip type compatibility checks
	when OEP_ADDRESS_OF is se.

From-SVN: r228679

2015-10-07  Aditya Kumar  <aditya.k7@samsung.com>
                Sebastian Pop  <s.pop@samsung.com>

                * graphite-dependences.c (scop_get_dependences): Add dump of the
                data dependence graph.
                * graphite-poly.c (print_isl_union_map): New.
                (debug_isl_union_map): New.
                * graphite-poly.h (print_isl_union_map): Declare.
                (debug_isl_union_map): Declare.

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

From-SVN: r228677

2015-10-07  Aditya Kumar  <aditya.k7@samsung.com>
                Sebastian Pop  <s.pop@samsung.com>

        * graphite-poly.c (print_iteration_domain): Remove verbosity.
        Remove OpenScop formatting.
        (print_iteration_domains): Same.
        (debug_iteration_domain): Same.
        (debug_iteration_domains): Same.
        (print_pdr): Same.
        (debug_pdr): Same.
        (dump_gbb_cases): Same.
        (dump_gbb_conditions): Same.
        (print_pdrs): Same.
        (debug_pdrs): Same.
        (print_pbb_body): Same.
        (print_pbb): Same.
        (print_scop_params): Same.
        (print_scop_context): Same.
        (print_scop): Same.
        (debug_pbb_domain): Same.
        (debug_pbb): Same.
        (debug_scop_context): Same.
        (debug_scop): Same.
        (debug_scop_params): Same.
        * graphite-poly.h: Same.
        * graphite.c (graphite_transform_loops): Same.

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

From-SVN: r228676

gcc/ChangeLog:

2015-10-10  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>

	* function.c (stack_protect_epilogue): Remove as_a<rtx_insn *> ()
	call that isn't needed.

From-SVN: r228675

From-SVN: r228672

	* tree-ssanames.c (flush_ssaname_freelist): Use splice and truncate
	rather than moving each name to the freelist individually.

From-SVN: r228668

2015-10-09  Steve Ellcey  <sellcey@imgtec.com>

	* gcc.target/mips/mips.exp (mips_option_groups): Add -mframe-header-opt
	and -mno-frame-header-opt options.
	* gcc.target/mips/frame-header-1.c: New file.
	* gcc.target/mips/frame-header-2.c: New file.
	* gcc.target/mips/frame-header-3.c: New file.

From-SVN: r228667

2015-10-05  Steve Ellcey  <sellcey@imgtec.com>

	* config.gcc (mips*-*-*): Add frame-header-opt.o to extra_objs.
	* frame-header-opt.c: New file.
	* config/mips/mips-proto.h (mips_register_frame_header_opt):
	Add prototype.
	* config/mips/mips.c (mips_compute_frame_info): Check
	optimize_call_stack flag.
	(mips_option_override): Register new frame_header_opt pass.
 	(mips_frame_info, mips_int_mask, mips_shadow_set,
	machine_function): Move these types to...
	* config/mips/mips.h: here.
	(machine_function): Add does_not_use_frame_header and
	optimize_call_stack fields.
	* config/mips/t-mips (frame-header-opt.o): Add new make rule.
	* doc/invoke.texi (-mframe-header-opt, -mno-frame-header-opt):
	Document new flags.
	* config/mips/mips.opt (mframe-header-opt): Add new option.

From-SVN: r228666

	(expand_set_or_movmem_prologue_epilogue_by_misaligned_moves): Use
	ROUND_DOWN where applicable.

From-SVN: r228665

	* tree-vect-stmts.c (free_stmt_vec_info): Free the LHS of the
	correct statement.

From-SVN: r228663

pattern.

gcc/

2015-10-09  Renlin Li  <renlin.li@arm.com>

	* config/arm/neon.md (neon_vuzp<mode>_insn): Add & modifier for
        operands[0] and operands[2].
        (neon_vtrn<mode>_insn): Likewise.
        (neon_vzip<mode>_insn): Likewise.

From-SVN: r228662

gcc/ChangeLog

	* match.pd: ((X inner_op C0) outer_op C1) New pattern.
	((X & C2) << C1): Expand to...
	(X {&,^,|} C2 << C1): ...This.
	((X & C2) >> C1): Expand to...
	(X {&,^,|} C2 >> C1): ...This.

gcc/testsuite/ChangeLog

	* gcc.dg/tree-ssa/forwprop-33.c: New.


Co-Authored-By: Hale Wang <hale.wang@arm.com>

From-SVN: r228661

gcc/

	PR target/67895
	* config/i386/sse.md (define_insn "sse_cvtsi2ss<round_name>"):
	Adjust embedded rounding/SAE specifier position.
	(define_insn "sse_cvtsi2ssq<round_name>"): Likewise.
	(define_insn "cvtusi2<ssescalarmodesuffix>32<round_name>"): Likewise.
	(define_insn "cvtusi2<ssescalarmodesuffix>64<round_name>"): Likewise.
	(define_insn "sse2_cvtsi2sdq<round_name>"): Likewise.
	(define_insn "avx512dq_rangep<mode><mask_name><round_saeonly_name>"):
	Likewise.
	(define_insn "avx512dq_ranges<mode><round_saeonly_name>"): Likewise.

gcc/testsuite

	PR target/67895
	* gcc.target/i386/avx512dq-vrangepd-1.c: Adjust assembly regexp.
	* gcc.target/i386/avx512dq-vrangeps-1.c: Likewise.
	* gcc.target/i386/avx512dq-vrangesd-1.c: Likewise.
	* gcc.target/i386/avx512dq-vrangess-1.c: Likewise.
	* gcc.target/i386/avx512f-vcvtsi2sd64-1.c: Likewise.
	* gcc.target/i386/avx512f-vcvtsi2ss-1.c: Likewise.
	* gcc.target/i386/avx512f-vcvtsi2ss64-1.c: Likewise.
	* gcc.target/i386/avx512f-vcvtusi2sd64-1.c: Likewise.
	* gcc.target/i386/avx512f-vcvtusi2ss-1.c: Likewise.
	* gcc.target/i386/avx512f-vcvtusi2ss64-1.c: Likewise.

From-SVN: r228660

This patch adds an easy way to write tests for expected multiline
output.  For example we can test carets and underlines for
a particular diagnostic with:

/* { dg-begin-multiline-output "" }
 typedef struct _GMutex GMutex;
                ^~~~~~~
   { dg-end-multiline-output "" } */

multiline.exp is used by prune.exp; hence we need to load it before
prune.exp via *load_gcc_lib* for the testsuites of the various
non-"gcc" support libraries (e.g. boehm-gc).

gcc/testsuite/ChangeLog:
	* lib/multiline.exp: New file.
	* lib/prune.exp: Load multiline.exp.
	(prune_gcc_output): Call into multiline.exp to handle any
	multiline output directives.
	* lib/libgo.exp: Load multiline.exp before prune.exp, using
	load_gcc_lib.

boehm-gc/ChangeLog:
	* testsuite/lib/boehm-gc.exp: Load multiline.exp before
	prune.exp, using load_gcc_lib.

libatomic/ChangeLog:
	* testsuite/lib/libatomic.exp: Load multiline.exp before
	prune.exp, using load_gcc_lib.

libgomp/ChangeLog:
	* testsuite/lib/libgomp.exp: Load multiline.exp before prune.exp,
	using load_gcc_lib.

libitm/ChangeLog:
	* testsuite/lib/libitm.exp: Load multiline.exp before prune.exp,
	using load_gcc_lib.

libvtv/ChangeLog:
	* testsuite/lib/libvtv.exp: Load multiline.exp before prune.exp,
	using load_gcc_lib.

From-SVN: r228655

2015-10-09  Martin Jambor  <mjambor@suse.cz>

	tree-optimization/67794
	* tree-sra.c (replace_removed_params_ssa_names): Do not distinguish
	between types of state,ents but accept original definitions as a
	parameter.
	(ipa_sra_modify_function_body): Use FOR_EACH_SSA_DEF_OPERAND to
	iterate over definitions.

testsuite/
        * gcc.dg/ipa/ipa-sra-10.c: Nw test.
        * gcc.dg/torture/pr67794.c: Likewise.

From-SVN: r228654

	* config/rs6000/rs6000.c (rs6000_offload_options): New.
	(TARGET_OFFLOAD_OPTIONS): New.

From-SVN: r228653

for  gcc/ChangeLog

	PR middle-end/67891
	* cfgexpand.c (set_parm_rtl): Drop is_gimple_reg test.

From-SVN: r228652

for  gcc/ChangeLog

	PR middle-end/67766
	* function.c (expand_function_end): Move return value
	promotion past the handling of PARALLELs and CONCATs.

From-SVN: r228651

for  gcc/ChangeLog

	PR rtl-optimizatoin/67828
	* tree-ssa-loop-unswitch.c: Include tree-ssa.h.
	(tree_may_unswitch_on): Don't unswitch on expressions
	involving undefined values.

for  gcc/testsuite/ChangeLog

	PR rtl-optimization/67828
	* gcc.dg/torture/pr67828.c: New.

From-SVN: r228650

From-SVN: r228649

2015-10-09  Richard Biener  <rguenther@suse.de>

	* genmatch.c (print_operand): Fix formatting.
	(dt_node::append_simplify): Warn for multiple simplifiers
	that match the same pattern.
	* match.pd (log (exp @0)): Remove duplicates.

From-SVN: r228648

From-SVN: r228647

Add include/experimental/bits dir

	* include/experimental/erase_if.h: Move to ...
	* include/experimental/bits/erase_if.h: New.
	* include/experimental/fs_dir.h: Move to ...
	* include/experimental/bits/fs_dir.h: New.
	* include/experimental/fs_fwd.h: Move to ...
	* include/experimental/bits/fs_fwd.h: New.
	* include/experimental/fs_ops.h: Move to ...
	* include/experimental/bits/fs_ops.h: New.
	* include/experimental/fs_path.h: Move to ...
	* include/experimental/bits/fs_path.h: New.
	* include/experimental/string_view.tcc: Move to ...
	* include/experimental/bits/string_view.tcc: New.
	* include/Makefile.am: Add include/experimental/bits sub-directory.
	* include/Makefile.in: Regenerate.
	* include/experimental/filesystem: Adjust includes.
	* include/experimental/map: Likewise.
	* include/experimental/set: Likewise.
	* include/experimental/string_view: Likewise.
	* include/experimental/unordered_map: Likewise.
	* include/experimental/unordered_set: Likewise.

From-SVN: r228646

From-SVN: r228645

This patch by Richard allows for movmisalign optabs to be supported
in gimple-fold.c. This caused a bit of pain in the testsuite with strlenopt-8.c
in conjunction with the ARM support for movmisalign_optabs as the test
was coded up to do different things depending on whether the target
supported misaligned access or not. However now with unaligned access
being allowed for different levels of the architecture in the arm backend,
the concept of the helper function non_strict_align mapping identically
to the definition of STRICT_ALIGNMENT disappears.

Adjusted thusly for ARM. The testsuite/lib changes were tested with an
arm-none-eabi multilib that included architecture variants that did not
support unaligned access and architecture variants that did.

The testing matrix for this patch was:

1. x86_64 bootstrap and regression test - no regressions.
2. armhf bootstrap and regression test - no regressions.
3. arm-none-eabi cross build and regression test for

{-marm/-march=armv7-a/-mfpu=vfpv3-d16/-mfloat-abi=softfp}
{-mthumb/-march=armv8-a/-mfpu=crypto-neon-fp-armv8/-mfloat-abi=hard}
{-marm/-mcpu=arm7tdmi/-mfloat-abi=soft}
{-mthumb/-mcpu=arm7tdmi/-mfloat-abi=soft}

with no regressions.

Ok to apply ?

2015-10-09  Richard Biener  <rguenth@suse.de>

	PR target/67366
	* gimple-fold.c (optabs-query.h): Include
	(gimple_fold_builtin_memory_op): Allow unaligned stores
	when movmisalign_optabs are available.

2015-10-09  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>

	PR target/67366
	* lib/target-supports.exp (check_effective_target_non_strict_align):
	Adjust for arm*-*-*.
	* gcc.target/arm/pr67366.c: New test.

From-SVN: r228644