# HG changeset patch
# User Roland Schatz <roland.schatz@oracle.com>
# Date 1412071227 -7200
# Node ID 83ebc10fb5e9ff3814129cb1b54cff53c9aba9d0
# Parent  48c91ed917d8a35d1c89d61b570cba72e0c72634
Return empty ArithmeticOpTable for non-arithmetic stamps.

diff -r 48c91ed917d8 -r 83ebc10fb5e9 graal/com.oracle.graal.compiler.common/src/com/oracle/graal/compiler/common/type/ArithmeticOpTable.java
--- a/graal/com.oracle.graal.compiler.common/src/com/oracle/graal/compiler/common/type/ArithmeticOpTable.java	Tue Sep 30 14:22:10 2014 +0200
+++ b/graal/com.oracle.graal.compiler.common/src/com/oracle/graal/compiler/common/type/ArithmeticOpTable.java	Tue Sep 30 12:00:27 2014 +0200
@@ -43,9 +43,15 @@
     protected BinaryOp xor;
 
     public static ArithmeticOpTable forStamp(Stamp s) {
-        return ((ArithmeticStamp) s).getOps();
+        if (s instanceof ArithmeticStamp) {
+            return ((ArithmeticStamp) s).getOps();
+        } else {
+            return EMPTY;
+        }
     }
 
+    public static final ArithmeticOpTable EMPTY = new ArithmeticOpTable();
+
     /**
      * Describes the unary negation operation.
      */