--- a/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.lir.amd64/src/org/graalvm/compiler/lir/amd64/AMD64StringLatin1InflateOp.java	Thu Oct 17 20:27:44 2019 +0100
+++ b/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.lir.amd64/src/org/graalvm/compiler/lir/amd64/AMD64StringLatin1InflateOp.java	Thu Oct 17 20:53:35 2019 +0100
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2018, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2018, 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
@@ -29,11 +29,9 @@
 import static jdk.vm.ci.amd64.AMD64.rdi;
 import static jdk.vm.ci.amd64.AMD64.rdx;
 import static jdk.vm.ci.amd64.AMD64.rsi;
-
 import static jdk.vm.ci.code.ValueUtil.asRegister;
 import static org.graalvm.compiler.lir.LIRInstruction.OperandFlag.REG;
 
-import jdk.vm.ci.amd64.AMD64;
 import org.graalvm.compiler.asm.Label;
 import org.graalvm.compiler.asm.amd64.AMD64Address;
 import org.graalvm.compiler.asm.amd64.AMD64Assembler;
@@ -44,6 +42,7 @@
 import org.graalvm.compiler.lir.asm.CompilationResultBuilder;
 import org.graalvm.compiler.lir.gen.LIRGeneratorTool;
 
+import jdk.vm.ci.amd64.AMD64;
 import jdk.vm.ci.amd64.AMD64Kind;
 import jdk.vm.ci.code.Register;
 import jdk.vm.ci.meta.Value;
@@ -52,9 +51,13 @@
 public final class AMD64StringLatin1InflateOp extends AMD64LIRInstruction {
     public static final LIRInstructionClass<AMD64StringLatin1InflateOp> TYPE = LIRInstructionClass.create(AMD64StringLatin1InflateOp.class);
 
-    @Alive({REG}) private Value rsrc;
-    @Alive({REG}) private Value rdst;
-    @Alive({REG}) private Value rlen;
+    @Use({REG}) private Value rsrc;
+    @Use({REG}) private Value rdst;
+    @Use({REG}) private Value rlen;
+
+    @Temp({REG}) private Value rsrcTemp;
+    @Temp({REG}) private Value rdstTemp;
+    @Temp({REG}) private Value rlenTemp;
 
     @Temp({REG}) private Value vtmp1;
     @Temp({REG}) private Value rtmp2;
@@ -66,9 +69,9 @@
         assert asRegister(dst).equals(rdi);
         assert asRegister(len).equals(rdx);
 
-        rsrc = src;
-        rdst = dst;
-        rlen = len;
+        rsrcTemp = rsrc = src;
+        rdstTemp = rdst = dst;
+        rlenTemp = rlen = len;
 
         vtmp1 = tool.newVariable(LIRKind.value(AMD64Kind.V512_BYTE));
         rtmp2 = tool.newVariable(LIRKind.value(AMD64Kind.DWORD));