# HG changeset patch
# User Lukas Stadler <lukas.stadler@oracle.com>
# Date 1404995025 -7200
# Node ID 2824f2d253393e71ef8434f356727530e6616781
# Parent  41906973537e07fc4b894fd830c961796110b86a
fix for getDisplacementStamp

diff -r 41906973537e -r 2824f2d25339 graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/extended/IndexedLocationNode.java
--- a/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/extended/IndexedLocationNode.java	Thu Jul 10 14:04:52 2014 +0200
+++ b/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/extended/IndexedLocationNode.java	Thu Jul 10 14:23:45 2014 +0200
@@ -106,7 +106,8 @@
     public IntegerStamp getDisplacementStamp() {
         assert indexScaling > 0 && CodeUtil.isPowerOf2(indexScaling);
         int scale = CodeUtil.log2(indexScaling);
-        return (IntegerStamp) StampTool.add(StampFactory.forInteger(64, displacement, displacement), StampTool.leftShift(index.stamp(), StampFactory.forInteger(64, scale, scale)));
+        return (IntegerStamp) StampTool.add(StampFactory.forInteger(64, displacement, displacement),
+                        StampTool.signExtend(StampTool.leftShift(index.stamp(), StampFactory.forInteger(64, scale, scale)), 64));
     }
 
     @Override