i386.h (EXT_REX_SSE_REG_P): New.

i386.h (EXT_REX_SSE_REG_P): New.

2015-04-27  Ilya Tocar  <ilya.tocar@intel.com>

	* config/i386/i386.h (EXT_REX_SSE_REG_P): New.
	* config/i386/i386.md (*cmpi<FPCMP:unord><MODEF:mode>_mixed): Use "v"
	constraint.
	(*movxi_internal_avx512f): Ditto.
	(define_split): Check for xmm16+, when splitting scalar float_extend.
	(*extendsfdf2_mixed): Use "v" constraint.
	(define_split): Check for xmm16+, when splitting scalar float_truncate.
	(*truncdfsf_fast_sse): Use "v" constraint.
	(fix_trunc<MODEF:mode><SWI48:mode>_sse): Ditto.
	(*float<SWI48:mode><MODEF:mode>2_sse): Ditto.
	(define_peephole2): Check for xmm16+, when converting scalar
	float_truncate.
	(define_peephole2): Check for xmm16+, when converting scalar
	float_extend.
	(*fop_<mode>_comm_mixed): Use "v" constraint.
	(*fop_<mode>_comm_sse): Ditto.
	(*fop_<mode>_1_mixed): Ditto.
	(*sqrt<mode>2_sse): Ditto.
	(*ieee_s<ieee_maxmin><mode>3): Ditto.

From-SVN: r222470