# HG changeset patch
# User Roland Schatz <roland.schatz@oracle.com>
# Date 1393238268 -3600
# Node ID 384d7fc0e27b6d4b19f731e5f356c5df6b82374f
# Parent  1658d30cd273bda2866dec0249e26780eaa23d21
Ignore reinterpret in backend if the new Stamp has the same PlatformKind.

diff -r 1658d30cd273 -r 384d7fc0e27b graal/com.oracle.graal.compiler.amd64/src/com/oracle/graal/compiler/amd64/AMD64LIRGenerator.java
--- a/graal/com.oracle.graal.compiler.amd64/src/com/oracle/graal/compiler/amd64/AMD64LIRGenerator.java	Mon Feb 24 11:15:27 2014 +0100
+++ b/graal/com.oracle.graal.compiler.amd64/src/com/oracle/graal/compiler/amd64/AMD64LIRGenerator.java	Mon Feb 24 11:37:48 2014 +0100
@@ -727,10 +727,13 @@
     }
 
     @Override
-    public AllocatableValue emitReinterpret(PlatformKind to, Value inputVal) {
+    public Value emitReinterpret(PlatformKind to, Value inputVal) {
         Kind from = inputVal.getKind();
+        if (to == from) {
+            return inputVal;
+        }
+
         AllocatableValue input = asAllocatable(inputVal);
-
         /*
          * Conversions between integer to floating point types require moves between CPU and FPU
          * registers.