sse.md (V): New mode iterator.

sse.md (V): New mode iterator.

	* config/i386/sse.md (V): New mode iterator.
	(V_128): Rename from SSEMODE.  Make V2DF mode conditional on
	TARGET_SSE2.
	(V_256): Rename from AVX256MODE.
	(VF): Make V4SF mode unconditional.  Add TARGET_SSE instruction
	condition to all users.
	(VF1): Ditto.
	(VF2): Make V2DF mode unconditional.  Add TARGET_SSE2 instruction
	condition to all users.
	(VF_128): Make V4SF mode unconditional.
	(VF_256): Rename from AVX256MODEF2P.
	(VI4F_128): Rename from SSEMODE4S.
	(VI8F_128): Rename from SSEMODE2D.
	(VI4F_256): Rename from AVX256MODE8P.
	(VI8F_256): Rename from AVX256MODE4P.
	(avxsizesuffix): Add V16HI, V4DI, V8HI and V2DI modes.
	(ssescalarmodesuffix): Remove SF and DF modes.
	(SSEMODE124): Remove.
	(SSEMODE1248): Ditto.
	(SSEMODEF2P): Ditto.
	(AVXMODEF2P): Ditto.
	(AVXMODEFDP): Ditto.
	(AVXMODEFSP): Ditto.
	(VEC_EXTRACT_MODE): Make V16QI, V8HI, V4SI, V2DI, V4SF and V2DF modes
	unconditional.
	(VEC_EXTRACT_EVENODD_MODE): Rename from SSEMODE_EO.  Make V4SF mode
	unconditional.
	(xop_pcmov_<mode><avxsizesuffix>): Merge from xop_pcmov_<mode> and
	xop_pcmov_<mode>256.  Use V mode iterator.

	Adjust RTX patterns globally for renamed mode attributes.

From-SVN: r173253