--- old/src/hotspot/share/c1/c1_LinearScan.cpp	2018-04-05 20:10:08.200007373 +0530
+++ new/src/hotspot/share/c1/c1_LinearScan.cpp	2018-04-05 20:10:07.948007362 +0530
@@ -1088,7 +1088,9 @@
   // this operand is allowed to be on the stack in some cases
   BasicType opr_type = opr->type_register();
   if (opr_type == T_FLOAT || opr_type == T_DOUBLE) {
-    if ((UseSSE == 1 && opr_type == T_FLOAT) || UseSSE >= 2 S390_ONLY(|| true)) {
+#ifdef X86
+    if ((UseSSE == 1 && opr_type == T_FLOAT) || UseSSE >= 2) {
+#endif
       // SSE float instruction (T_DOUBLE only supported with SSE2)
       switch (op->code()) {
         case lir_cmp:
@@ -1107,6 +1109,7 @@
         default:
           break;
       }
+#ifdef X86
     } else {
       // FPU stack float instruction
       switch (op->code()) {
@@ -1126,6 +1129,7 @@
           break;
       }
     }
+#endif
     // We want to sometimes use logical operations on pointers, in particular in GC barriers.
     // Since 64bit logical operations do not current support operands on stack, we have to make sure
     // T_OBJECT doesn't get spilled along with T_LONG.