S/390: Disable effect of support_vector_misalignment

gcc/ChangeLog:

2015-06-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

	    * config/s390/s390.c (s390_support_vector_misalignment): Call
	    default implementation for !TARGET_VX.

From-SVN: r224869

gcc/ChangeLog

 2015-06-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
 
+	* config/s390/s390.c (s390_support_vector_misalignment): Call
+	default implementation for !TARGET_VX.
+
+2015-06-24  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>
+
 	* config/s390/s390.c (s390_legitimate_constant_p): Add
 	TARGET_VX check.
 

gcc/config/s390/s390.c

@@ -13719,7 +13719,11 @@ s390_support_vector_misalignment (machine_mode mode ATTRIBUTE_UNUSED,
 				  int misalignment ATTRIBUTE_UNUSED,
 				  bool is_packed ATTRIBUTE_UNUSED)
 {
-  return true;
+  if (TARGET_VX)
+    return true;
+
+  return default_builtin_support_vector_misalignment (mode, type, misalignment,
+						      is_packed);
 }
 
 /* The vector ABI requires vector types to be aligned on an 8 byte