--- a/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.lir.amd64/src/org/graalvm/compiler/lir/amd64/vector/AMD64VectorMove.java	Thu Nov 14 11:16:14 2019 -0800
+++ b/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.lir.amd64/src/org/graalvm/compiler/lir/amd64/vector/AMD64VectorMove.java	Thu Nov 14 12:21:00 2019 -0800
@@ -203,17 +203,15 @@
         }
     }
 
-    public abstract static class VectorMemOp extends AMD64LIRInstruction {
+    public abstract static class VectorMemOp extends AMD64VectorInstruction {
 
-        protected final AVXSize size;
         protected final VexMoveOp op;
 
         @Use({COMPOSITE}) protected AMD64AddressValue address;
         @State protected LIRFrameState state;
 
         protected VectorMemOp(LIRInstructionClass<? extends VectorMemOp> c, AVXSize size, VexMoveOp op, AMD64AddressValue address, LIRFrameState state) {
-            super(c);
-            this.size = size;
+            super(c, size);
             this.op = op;
             this.address = address;
             this.state = state;