PR target/57379
	* config/alpha/alpha.md (unspec): Add UNSPEC_XFLT_COMPARE.
	* config/alpha/alpha.c (alpha_emit_xfloating_compare): Construct
	REG_EQUAL note as UNSPEC_XFLT_COMPARE unspec.



git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@199263 138bc75d-0d04-0410-961f-82ee72b054a4