* i386.c (output_fp_compare): Support SSE.
	(prepare_fp_compare_args): SSE comparisons always support memory.
	* i386.h (TARGET_CMOVE): SSE imply cmove.
	* i386.md (cmp?f2): Enable for SSE too.
	(cmpfp_i*): Support SSE.
	(cmpfp_i_sse): New.
	(cmpfp_i_sse_only): New.
	(s*, b* fp expanters): Enable for SSE too.
	(fp_jcc_1_sse, fp_jcc_1_sse_only, fp_jcc_2_sse, fp_jcc_2_sse_only):
	New patterns.

From-SVN: r39647