# HG changeset patch
# User Doug Simon <doug.simon@oracle.com>
# Date 1415203650 -3600
# Node ID 0f23e16288c5f3827611067844eeaf35dd79d102
# Parent  e1b2489393f4afed117ba407a24554c2423c3db0
prevent use of identity for ArithmeticOpTable and ArithmeticOpTable.Op

diff -r e1b2489393f4 -r 0f23e16288c5 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	Wed Nov 05 17:04:18 2014 +0100
+++ b/graal/com.oracle.graal.compiler.common/src/com/oracle/graal/compiler/common/type/ArithmeticOpTable.java	Wed Nov 05 17:07:30 2014 +0100
@@ -22,6 +22,8 @@
  */
 package com.oracle.graal.compiler.common.type;
 
+import static com.oracle.graal.api.meta.MetaUtil.*;
+
 import java.util.*;
 import java.util.function.*;
 import java.util.stream.*;
@@ -240,6 +242,15 @@
         return floatConvert[op.ordinal()];
     }
 
+    public static String toString(Op... ops) {
+        return Arrays.asList(ops).stream().map(o -> o == null ? "null" : o.operator + "{" + getSimpleName(o.getClass(), false) + "}").collect(Collectors.joining(","));
+    }
+
+    @Override
+    public String toString() {
+        return getClass().getSimpleName() + "[" + toString(neg, add, sub, mul, div, rem, not, and, or, xor, zeroExtend, signExtend, narrow) + ",floatConvert[" + toString(floatConvert) + "]]";
+    }
+
     public abstract static class Op {
 
         private final String operator;
@@ -252,6 +263,22 @@
         public String toString() {
             return operator;
         }
+
+        @Override
+        public boolean equals(Object obj) {
+            if (obj == this) {
+                return true;
+            }
+            if (obj != null && getClass() == obj.getClass()) {
+                return obj.toString().equals(toString());
+            }
+            return false;
+        }
+
+        @Override
+        public int hashCode() {
+            return toString().hashCode();
+        }
     }
 
     /**
@@ -410,6 +437,20 @@
         public Constant getZero(Stamp stamp) {
             return null;
         }
+
+        @Override
+        public String toString() {
+            if (associative) {
+                if (commutative) {
+                    return super.toString() + "[AC]";
+                } else {
+                    return super.toString() + "[A]";
+                }
+            } else if (commutative) {
+                return super.toString() + "[C]";
+            }
+            return super.toString();
+        }
     }
 
     public abstract static class FloatConvertOp extends UnaryOp<FloatConvertOp> {
diff -r e1b2489393f4 -r 0f23e16288c5 graal/com.oracle.graal.compiler.common/src/com/oracle/graal/compiler/common/type/ArithmeticStamp.java
--- a/graal/com.oracle.graal.compiler.common/src/com/oracle/graal/compiler/common/type/ArithmeticStamp.java	Wed Nov 05 17:04:18 2014 +0100
+++ b/graal/com.oracle.graal.compiler.common/src/com/oracle/graal/compiler/common/type/ArithmeticStamp.java	Wed Nov 05 17:07:30 2014 +0100
@@ -53,7 +53,7 @@
         if (!(obj instanceof ArithmeticStamp)) {
             return false;
         }
-        ArithmeticStamp other = (ArithmeticStamp) obj;
-        return this.ops == other.ops;
+        assert this.ops.toString().equals(((ArithmeticStamp) obj).ops.toString());
+        return true;
     }
 }
diff -r e1b2489393f4 -r 0f23e16288c5 graal/com.oracle.graal.compiler.test/src/com/oracle/graal/compiler/test/CheckGraalInvariants.java
--- a/graal/com.oracle.graal.compiler.test/src/com/oracle/graal/compiler/test/CheckGraalInvariants.java	Wed Nov 05 17:04:18 2014 +0100
+++ b/graal/com.oracle.graal.compiler.test/src/com/oracle/graal/compiler/test/CheckGraalInvariants.java	Wed Nov 05 17:07:30 2014 +0100
@@ -38,6 +38,7 @@
 import com.oracle.graal.api.runtime.*;
 import com.oracle.graal.compiler.*;
 import com.oracle.graal.compiler.CompilerThreadFactory.DebugConfigAccess;
+import com.oracle.graal.compiler.common.type.*;
 import com.oracle.graal.debug.*;
 import com.oracle.graal.graph.*;
 import com.oracle.graal.java.*;
@@ -208,6 +209,8 @@
             new VerifyUsageWithEquals(JavaField.class).apply(graph, context);
             new VerifyUsageWithEquals(LocationIdentity.class).apply(graph, context);
             new VerifyUsageWithEquals(LIRKind.class).apply(graph, context);
+            new VerifyUsageWithEquals(ArithmeticOpTable.class).apply(graph, context);
+            new VerifyUsageWithEquals(ArithmeticOpTable.Op.class).apply(graph, context);
         }
         new VerifyDebugUsage().apply(graph, context);
     }
diff -r e1b2489393f4 -r 0f23e16288c5 graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/calc/BinaryArithmeticNode.java
--- a/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/calc/BinaryArithmeticNode.java	Wed Nov 05 17:04:18 2014 +0100
+++ b/graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/calc/BinaryArithmeticNode.java	Wed Nov 05 17:07:30 2014 +0100
@@ -47,7 +47,7 @@
 
     protected final BinaryOp<OP> getOp(ValueNode forX, ValueNode forY) {
         ArithmeticOpTable table = ArithmeticOpTable.forStamp(forX.stamp());
-        assert table == ArithmeticOpTable.forStamp(forY.stamp());
+        assert table.toString().equals(ArithmeticOpTable.forStamp(forY.stamp()).toString());
         return getOp.apply(table);
     }