diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 1a3acf0e1f2..a448f37cb72 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+2014-02-16  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
+
+	* config/rs6000/altivec.md (p8_vmrgew): Handle little endian
+	targets.
+	(p8_vmrgow): Likewise.
+
 2014-02-16  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
 
 	* config/rs6000/vsx.md (vsx_xxpermdi_<mode>): Handle little
diff --git a/gcc/config/rs6000/altivec.md b/gcc/config/rs6000/altivec.md
index af6766ba467..afe621c5e54 100644
--- a/gcc/config/rs6000/altivec.md
+++ b/gcc/config/rs6000/altivec.md
@@ -1234,7 +1234,12 @@
 	  (parallel [(const_int 0) (const_int 4)
 		     (const_int 2) (const_int 6)])))]
   "TARGET_P8_VECTOR"
-  "vmrgew %0,%1,%2"
+{
+  if (BYTES_BIG_ENDIAN)
+    return "vmrgew %0,%1,%2";
+  else
+    return "vmrgow %0,%2,%1";
+}
   [(set_attr "type" "vecperm")])
 
 (define_insn "p8_vmrgow"
@@ -1246,7 +1251,12 @@
 	  (parallel [(const_int 1) (const_int 5)
 		     (const_int 3) (const_int 7)])))]
   "TARGET_P8_VECTOR"
-  "vmrgow %0,%1,%2"
+{
+  if (BYTES_BIG_ENDIAN)
+    return "vmrgow %0,%1,%2";
+  else
+    return "vmrgew %0,%2,%1";
+}
   [(set_attr "type" "vecperm")])
 
 (define_expand "vec_widen_umult_even_v16qi"