--- a/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.asm.amd64/src/org/graalvm/compiler/asm/amd64/AMD64Assembler.java	Mon Jan 14 10:00:45 2019 -0800
+++ b/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.asm.amd64/src/org/graalvm/compiler/asm/amd64/AMD64Assembler.java	Mon Jan 14 21:34:39 2019 +0100
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2009, 2018, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2009, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -1759,6 +1759,14 @@
         emitOperandHelper(dst, src, 0);
     }
 
+    public final void cmpb(Register dst, Register src) {
+        CMP.byteRmOp.emit(this, BYTE, dst, src);
+    }
+
+    public final void cmpw(Register dst, Register src) {
+        CMP.rmOp.emit(this, WORD, dst, src);
+    }
+
     public final void cmpl(Register dst, int imm32) {
         CMP.getMIOpcode(DWORD, isByte(imm32)).emit(this, DWORD, dst, imm32);
     }