sse.md (extsuffix): New code attribute.

sse.md (extsuffix): New code attribute.

	* config/i386/sse.md (extsuffix): New code attribute.
	(sse4_1_<code>v8qiv8hi2): Macroize insn from sse4_1_extendv8qiv8hi2
	and sse4_1_zero_extendv8qiv8hi2 using any_extend code iterator.
	(sse4_1_<code>v4qiv4si2): Ditto from sse4_1_extendv4qiv4si2
	and sse4_1_zero_extendv4qiv4si2.
	(sse4_1_<code>v2qiv2di2): Ditto from sse4_1_extendv2qiv2di2
	and sse4_1_zero_extendv2qiv2di2.
	(sse4_1_<code>v4hiv4si2): Ditto from sse4_1_extendv4hiv4si2
	and sse4_1_zero_extendv4hiv4si2.
	(sse4_1_<code>v2hiv2di2): Ditto from sse4_1_extendv2hiv2di2
	and sse4_1_zero_extendv2hiv2di2.
	(sse4_1_extendv2siv2di2): Ditto from sse4_1_extendv2siv2di2
	and sse4_1_zero_extendv2siv2di2

	(<s>mulv8hi3_highpart): Macroize expander from {u,s}mulv8hi3_highpart
	using any_extend code iterator.
	(*avx_<s>mulv8hi3_highpart): Macroize insn from
	*avx_{u,s}mulv8hi3_highpart using any_extend code iterator.
	(*<s>mulv8hi3_highpart): Ditto from *{u,s}mulv8hi3_highpart.

	* config/i386/i386.c (ix86_expand_sse4_unpack): Update for renamed
	gen_sse4_1_sign_extend* functions.
	(struct builtin_description bdesc_args): Ditto.

From-SVN: r163616