Introduces the nodes used to model connectivity in the escape graph
    and related state: a node's escape level and an encoding that will
    be added to import and export data.
    
    Reviewed-on: https://go-review.googlesource.com/18268

From-SVN: r235988

	* config/i386/i386.md (LEAMODE): New mode attribute.
	(plus to LEA splitter): Rewrite splitter using LEAMODE mode attribute.
	(ashift to LEA splitter): Rewrte splitter using SWI mode iterator
	and LEAMODE mode attribute.  Use VOIDmode const_0_to_3_operand as
	operand 2 predicate.
	(*lea<mode>_general_2): Use VOIDmode for const248_operand.
	(*lea<mode>_general_3): Ditto.
	(*lea<mode>_general_4): Use VOIDmode for const_0_to_3_operand.

From-SVN: r235987

From-SVN: r235985

i386.md (int cmove peephole2s): Use general_reg_operand instead of register_and_not_any_fp_reg_operand as...

	* config/i386/i386.md (int cmove peephole2s): Use general_reg_operand
	instead of register_and_not_any_fp_reg_operand as operand 0 predicate.
	* config/i386/predicates.md (register_and_not_any_fp_reg_operand):
	Remove unused predicate.
	(register_and_not_fp_reg_operand): Ditto.

From-SVN: r235983

    
    Introduces a skeleton replacement escape analysis
    which contains four different phases extracted from the escape
    analysis implementation in gc/esc.go.  Also introduces the
    Escape_context each phase uses to make decisions.
    
    Reviewed-on: https://go-review.googlesource.com/18220

From-SVN: r235982

gcc/ChangeLog:
	* coretypes.h (OVERRIDE): New macro.
	(FINAL): New macro.

From-SVN: r235981

tree-ssa-coalesce.c (gimple_can_coalesce_p): In the optimized case, allow coalescing if the types are compatible.

	* tree-ssa-coalesce.c (gimple_can_coalesce_p): In the optimized case,
	allow coalescing if the types are compatible.

From-SVN: r235980

	PR middle-end/70941
	* gcc.dg/torture/pr70941.c (abort): Remove prototype.
	(a, b, c, d): Change type from char to signed char.
	(main): Compare against (signed char) -1634678893 instead of
	hardcoded -109.  Use __builtin_abort instead of abort.

From-SVN: r235978

gcc/ChangeLog:
	* pass_manager.h (pass_manager::register_pass_name): New method.
	(pass_manager::get_pass_by_name): New method.
	(pass_manager::create_pass_tab): New method.
	(pass_manager::m_name_to_pass_map): New field.
	* passes.c (name_to_pass_map): Delete global in favor of field
	"m_name_to_pass_map" of pass_manager.
	(register_pass_name): Rename from a function to...
	(pass_manager::register_pass_name): ...this method, updating
	for renaming of global "name_to_pass_map" to field
	"m_name_to_pass_map".
	(create_pass_tab): Rename from a function to...
	(pass_manager::create_pass_tab): ...this method, updating
	for renaming of global "name_to_pass_map" to field.
	(get_pass_by_name): Rename from a function to...
	(pass_manager::get_pass_by_name): ...this method.
	(enable_disable_pass): Convert use of get_pass_by_name to
	a method call, locating the pass_manager singleton.

From-SVN: r235977

gcc/ChangeLog:
	* genattr-common.c (main): Convert argv from
	char ** to const char **.
	* genattr.c (main): Likewise.
	* genattrtab.c (main): Likewise.
	* genautomata.c (initiate_automaton_gen): Likewise.
	(main): Likewise.
	* gencodes.c (main): Likewise.
	* genconditions.c (main): Likewise.
	* genconfig.c (main): Likewise.
	* genconstants.c (main): Likewise.
	* genemit.c (main): Likewise.
	* genenums.c (main): Likewise.
	* genextract.c (main): Likewise.
	* genflags.c (main): Likewise.
	* genmddeps.c (main): Likewise.
	* genopinit.c (main): Likewise.
	* genoutput.c (main): Likewise.
	* genpeep.c (main): Likewise.
	* genpreds.c (main): Likewise.
	* genrecog.c (main): Likewise.
	* gensupport.c (init_rtx_reader_args_cb): Likewise.
	(init_rtx_reader_args): Likewise.
	* gensupport.h (init_rtx_reader_args_cb): Likewise.
	(init_rtx_reader_args): Likewise.
	* gentarget-def.c (main): Likewise.
	* read-md.c (read_md_files): Likewise.
	* read-md.h (read_md_files): Likewise.

From-SVN: r235976

i386.md (int cmove peephole2s): Use general_reg_operand instead of register_and_not_any_fp_reg_operand as...

	* config/i386/i386.md (int cmove peephole2s): Use general_reg_operand
	instead of register_and_not_any_fp_reg_operand as operand 0 predicate.
	* config/i386/predicates.md (register_and_not_any_fp_reg_operand):
	Remove unused predicate.
	(register_and_not_fp_reg_operand): Ditto.

From-SVN: r235975

	* tree-if-conv.c (ifcvt_split_critical_edges): Use auto_vec
	instead of vec as the vector is local to the function.

From-SVN: r235974

	* config/i386/sse.md (*<code>v8hi3, *<code>v16qi3): Add
	avx512bw alternative.

From-SVN: r235973

	* config/i386/sse.md (<mask_codefor>ashr<mode>3<mask_name>): Move
	before the ashr<mode>3 pattern.

	* gcc.target/i386/avx512bw-vpsraw-3.c: New test.
	* gcc.target/i386/avx512vl-vpsrad-3.c: New test.

From-SVN: r235972

	* config/i386/sse.md (*avx2_pmaddwd, *sse2_pmaddwd): Use
	v instead of x in vex or maybe_vex alternatives, use
	maybe_evex instead of vex in prefix.

	* gcc.target/i386/avx512bw-vpmaddwd-3.c: New test.

From-SVN: r235971

	* config/i386/sse.md (*vec_extractv4sf_0, *sse4_1_extractps,
	*vec_extractv4sf_mem, vec_extract_lo_v16hi, vec_extract_hi_v16hi,
	vec_extract_lo_v32qi, vec_extract_hi_v32qi): Use v instead of x
	in vex or maybe_vex alternatives, use maybe_evex instead of vex
	in prefix.

From-SVN: r235970

	* config/i386/sse.md (*vec_concatv2sf_sse4_1, *vec_concatv4sf): Use
	v instead of x in vex or maybe_vex alternatives, use
	maybe_evex instead of vex in prefix.

From-SVN: r235969

	* config/i386/sse.md (sse_shufps_<mode>, sse_storehps, sse_loadhps,
	sse_storelps, sse_movss, avx2_vec_dup<mode>, avx2_vec_dupv8sf_1,
	sse2_shufpd_<mode>, sse2_storehpd, sse2_storelpd, sse2_loadhpd,
	sse2_loadlpd, sse2_movsd): Use v instead of x in vex or maybe_vex
	alternatives, use maybe_evex instead of vex in prefix.

From-SVN: r235968

	*vec_interleave_highv2df, *vec_interleave_lowv2df): Use
	v instead of x in vex or maybe_vex alternatives, use
	maybe_evex instead of vex in prefix.

From-SVN: r235967

	* config/i386/sse.md (sse_movhlps, sse_movlhps): Use
	v instead of x in vex or maybe_vex alternatives, use
	maybe_evex instead of vex in prefix.

From-SVN: r235966

	* config/i386/sse.md (*avx_cvtpd2dq256_2, *avx_cvtps2pd256_2): Use
	v constraint instead of x.

From-SVN: r235965

	* gimple.c (gimple_call_same_target_p): Unique functions are eq.
	* tree-ssa-tail-merge.c (same_succ::equal): Check pointer eq
	equality first.

From-SVN: r235964

re PR tree-optimization/70948 (r235622 caused gcc.c-torture/execute/va-arg-pack-1.c execution failure AArch64)

2016-05-06  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/70948
	* tree-ssa-structalias.c (find_func_aliases_for_builtin_call):
	Properly clobber all fields of va_list for __builtin_va_start.

From-SVN: r235963

re PR debug/70935 (ICE: verify_ssa failed (error: definition in block 9 does not dominate use in block 12) w/ -O3 -g)

gcc/

2016-05-06  Yuri Rumyantsev  <ysrumyan@gmail.com>

	PR debug/70935
	* tree-ssa-loop-unswitch.c (find_loop_guard): Reject guard edge with
	loop latch destination.

gcc/testsuite/

2016-05-06  Yuri Rumyantsev  <ysrumyan@gmail.com>

	PR debug/70935
	* gcc.dg/torture/pr70935.c: New test.

From-SVN: r235962

	* tree-ssa-uninit.c: Apply manual changes
	to the GNU coding style.
	(prune_uninit_phi_opnds): Rename from
	prune_uninit_phi_opnds_in_unrealizable_paths.

From-SVN: r235961

gcc/
	* config/sh/sh.opt (madjust-unroll, minvalid-symbols, msoft-atomic,
	mspace): Remove deprecated options.
	* doc/invoke.texi (SH options): Remove -mspace.

From-SVN: r235960

gcc/
	* config/sh/sh.md (ic_invalidate_line_sh4a): Fix insn length.

From-SVN: r235957

gcc/
	* config/sh/sh.md (*cmpeqsi_t): Remove combine insn pattern and similar
	corresponding combine split pattern.

From-SVN: r235956

From-SVN: r235955

gcc/
	PR target/58219
	* config/sh/predicates.md (long_displacement_mem_operand): New.
	* config/sh/sh.md (movsi_i): Allow for SH2A, disallow for any FPU.
	Add movi20, movi20s alternatives.  Adjust length attribute for
	alternatives.
	(movsi_ie): Allow for any FPU.  Adjust length attribute for
	alternatives.
	(movsi_i_lowpart): Add movi20, movi20s alternatives.  Adjust length
	attribute for alternatives.
	(*mov<mode>): Use long_displacement_mem_operand for length attribute.
	(*movdi_i, movdf_k, movdf_i4, movsf_i, movsf_ie, movsf_ie_ra): Adjust
	length attribute for alternatives.

gcc/testsuite/
	PR target/58219
	*gcc.target/sh/pr58219.c: New tests.

From-SVN: r235954

re PR tree-optimization/70960 (ICE: tree check: expected ssa_name, have integer_cst in ifcvt_walk_pattern_tree, at tree-if-conv.c:2465)

2016-05-06  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/70960
	* tree-if-conv.c (ifcvt_walk_pattern_tree): Handle non-SSA ops.

	* gfortran.fortran-torture/compile/pr70960.f90: New testcase.

From-SVN: r235953

gcc/
	PR target/52933
	* config/sh/sh.md (*cmp_div0s_7, *cmp_div0s_8): Add div0s variants.
	* config/sh/sh.c (sh_rtx_costs): Add another div0s case.

gcc/testsuite/
	PR target/52933
	* gcc.target/sh/pr52933-1.c (test_31, test_32, test_33, test_34,
	test_35, test_36, test_37, test_38, test_39, test_40): New sub-tests.
	Adjust expected instruction counts.
	* gcc.target/sh/pr52933-2.c: Adjust expected instruction counts.

From-SVN: r235952

	PR sanitizer/70875
	* ubsan.c (get_ubsan_type_info_for_type): Remove assert.

	* gcc.dg/ubsan/bounds-3.c: New test.

From-SVN: r235951

gcc/
	PR target/54089
	* config/sh/sh.md (*rotcr): Add another variant.

gcc/testsuite/
	PR target/54089
	* gcc.target/sh/pr54089-1.c (test_24): Add new sub-test.

From-SVN: r235950

re PR ada/70969 (bootstrap failure: s-unstyp.ads:40:15: violation of No_Elaboration_Code_All at line 42)

	PR ada/70969
	* system-darwin-ppc64.ads: Add pragma No_Elaboration_Code_All.
	* system-linux-armeb.ads: Likewise.
	* system-linux-mips64el.ads: Likewise.
	* system-linux-mips.ads: Likewise.
	* system-linux-mipsel.ads: Likewise.
	* system-linux-ppc64.ads: Likewise.
	* system-linux-sparcv9.ads: Likewise.
	* system-rtems.ads: Likewise.

From-SVN: r235946

2016-05-06  Richard Biener  <rguenther@suse.de>

	PR middle-end/70931
	* dwarf2out.c (native_encode_initializer): Skip zero-sized fields.

	* gfortran.dg/pr70931.f90: New testcase.

From-SVN: r235944

2016-05-06  Richard Biener  <rguenther@suse.de>

	PR middle-end/70941
	* fold-const.c (split_tree): Always convert to the original type
	before negating.

	* gcc.dg/torture/pr70941.c: New testcase.

From-SVN: r235943

2016-05-06  Richard Biener  <rguenther@suse.de>

	* fwprop.c (fwprop): Remove duplicate cleanup_cfg call.
	(fwprop_addr): Likewise.

From-SVN: r235942

From-SVN: r235940

re PR target/70873 ([7 Regressio] 20% performance regression at 482.sphinx3 after r235442 with -O2 -m32 on Haswell.)

	PR target/70873
	* config/i386/i386-protos.h (ix86_standard_x87sse_constant_load_p):
	New prototype.
	* config/i386/i386.c (ix86_standard_x87sse_constant_load_p): New.
	* config/i386/i386.md (push mem splitter): Use find_constant_src in
	the splitter condition.
	(FP load splitter): Use ix86_standard_x87sse_constant_load_p in
	the splitter condition.
	(FP float_extend load splitter): Ditto.

From-SVN: r235936