vsx.md (define_insn "*stxvl"): Add missing argument to the sldi instruction.

gcc/ChangeLog:

2017-09-07  Carl Love  <cel@us.ibm.com>

	    * config/rs6000/vsx.md (define_insn "*stxvl"): Add missing argument to the sldi instruction.

From-SVN: r251845

gcc/ChangeLog

+2017-09-07  Carl Love  <cel@us.ibm.com>
+
+	* config/rs6000/vsx.md (define_insn "*stxvl"): Add missing argument to the sldi instruction.
+
 2017-09-07  David Edelsohn  <dje.gcc@gmail.com>
 
 	* sancov.c: Include tm_p.h.

gcc/config/rs6000/vsx.md

@@ -4373,7 +4373,7 @@
 	  (match_operand:DI 2 "register_operand" "+r")]
 	 UNSPEC_STXVL))]
   "TARGET_P9_VECTOR && TARGET_64BIT"
-  "sldi %2,%2\;stxvl %x0,%1,%2"
+  "sldi %2,%2,56\;stxvl %x0,%1,%2"
   [(set_attr "length" "8")
    (set_attr "type" "vecstore")])