sse.md (VI): New mode iterator.

sse.md (VI): New mode iterator.

	* config/i386/sse.md (VI): New mode iterator.
	(SSEMODEI): Remove.
	(AVX256MODEI): Ditto.
	(AVXMODEF4P): Ditto.
	(avxvecpsmode): Ditto.
	(one_cmpl<mode>2): Enable for TARGET_SSE.  Use VI mode iterator.
	(sse2_andnot<mode>3): New expander.
	(*andnot<mode>3): Merge with *sse2_andnot<mode>3 and
	*avx_andnot<mode>3.  Enable for TARGET_SSE.  Use VI mode iterator.
	(<any_logic:code><mode>3): Use VI mode iterator.
	(*<any_logic:code><mode>3): Merge with *sse2_<any_logic:code><mode>3
	and *avx_<any_logic:code><mode>3.  Use VI mode iterator.
	(*andnottf3): Handle AVX three-operand constraints.
	(*<any_logic:code>tf3): Handle AVX three-operand constraints.

From-SVN: r172280