Backport from mainline

	Backport from mainline
	2013-06-10  Uros Bizjak  <ubizjak@gmail.com>

	* config/alpha/alpha.c (alpha_emit_xfloating_compare): Also use
	cmp_code to construct REG_EQUAL note.

	Backport from mainline
	2013-06-05  Uros Bizjak  <ubizjak@gmail.com>

	* config/alpha/alpha.c (alpha_emit_conditional_move): Swap all
	GE, GT, GEU and GTU compares, modulo DImode compares with zero.

	Backport from mainline
	2013-05-23  Uros Bizjak  <ubizjak@gmail.com>

	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/branches/gcc-4_7-branch@199902 138bc75d-0d04-0410-961f-82ee72b054a4