sse.md (sseintprefix): Rename from gthrfirstp.

sse.md (sseintprefix): Rename from gthrfirstp.

	* config/i386/sse.md (sseintprefix): Rename from gthrfirstp.
	(<avx_avx2>_maskload<ssemodesuffix><avxsizesuffix>): Delete expander.
	(<avx_avx2>_maskload<ssemodesuffix><avxsizesuffix>) Merge insn
	pattern from *avx2_maskload<ssemodesuffix><avxsizesuffix> and
	*avx_maskload<ssemodesuffix><avxsizesuffix> using V48_AVX mode
	iterator.  Use sseintprefix mode attribute.
	(<avx_avx2>_maskstore<ssemodesuffix><avxsizesuffix>): Delete expander.
	(<avx_avx2>_maskstore<ssemodesuffix><avxsizesuffix>) Merge insn
	pattern from *avx2_maskstore<ssemodesuffix><avxsizesuffix> and
	*avx_maskstore<ssemodesuffix><avxsizesuffix> using V48_AVX mode
	iterator.  Use sseintprefix mode attribute.
	(*avx2_gathersi<mode>) Use sseintprefix and ssemodesuffix mode
	attributes.
	(*avx2_gatherdi<mode>): Ditto.
	(*avx2_gatherdi<mode>256): Ditto.
	(VI48_AVX2): Remove mode iterator.
	(gthrlastfp): Remove mode attribute.

From-SVN: r180344