i386.md (*movdi_internal): Set prefix_rex attribute also for alternatives 16 and 17.

	* config/i386/i386.md (*movdi_internal): Set prefix_rex attribute
	also for alternatives 16 and 17.

From-SVN: r196982

gcc/ChangeLog

 2013-03-22  Uros Bizjak  <ubizjak@gmail.com>
 
+	* config/i386/i386.md (*movdi_internal): Set prefix_rex attribute
+	also for alternatives 16 and 17.
+
+2013-03-22  Uros Bizjak  <ubizjak@gmail.com>
+
 	* config/i386/sse.md (*mov<mode>_internal): Merge with
 	*mov<mode>_internal_rex64.  Use x64 and nox64 isa attributes.
 	Emit insn template depending on type attribute.  Use

gcc/config/i386/i386.md

@@ -1970,7 +1970,7 @@
 	 (const_string "8")
 	 (const_string "*")))
    (set (attr "prefix_rex")
-     (if_then_else (eq_attr "alternative" "10,11")
+     (if_then_else (eq_attr "alternative" "10,11,16,17")
        (const_string "1")
        (const_string "*")))
    (set (attr "prefix")