--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/graal/com.oracle.graal.lir.amd64/src/com/oracle/graal/lir/amd64/AMD64TestMemoryOp.java	Thu Mar 20 15:57:03 2014 -0700
@@ -0,0 +1,88 @@
+/*
+ * Copyright (c) 2011, 2012, 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
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+package com.oracle.graal.lir.amd64;
+
+import static com.oracle.graal.api.code.ValueUtil.*;
+import static com.oracle.graal.lir.LIRInstruction.OperandFlag.*;
+
+import com.oracle.graal.api.meta.*;
+import com.oracle.graal.asm.amd64.*;
+import com.oracle.graal.graph.*;
+import com.oracle.graal.lir.*;
+import com.oracle.graal.lir.asm.*;
+
+public class AMD64TestMemoryOp extends AMD64LIRInstruction {
+
+    @Use({COMPOSITE}) protected AMD64AddressValue x;
+    @Use({REG, CONST}) protected Value y;
+    @State protected LIRFrameState state;
+
+    public AMD64TestMemoryOp(AMD64AddressValue x, Value y, LIRFrameState state) {
+        this.x = x;
+        this.y = y;
+        this.state = state;
+    }
+
+    @Override
+    public void emitCode(CompilationResultBuilder crb, AMD64MacroAssembler masm) {
+        if (state != null) {
+            crb.recordImplicitException(masm.position(), state);
+        }
+        emit(crb, masm, x, y);
+    }
+
+    @Override
+    protected void verify() {
+        super.verify();
+        // Can't check the kind of an address so just check the other input
+        assert (x.getKind() == Kind.Int || x.getKind() == Kind.Long) : x + " " + y;
+    }
+
+    public static void emit(CompilationResultBuilder crb, AMD64MacroAssembler masm, Value x, Value y) {
+        if (isRegister(y)) {
+            switch (y.getKind()) {
+                case Int:
+                    masm.testl(asIntReg(y), ((AMD64AddressValue) x).toAddress());
+                    break;
+                case Long:
+                    masm.testq(asLongReg(y), ((AMD64AddressValue) x).toAddress());
+                    break;
+                default:
+                    throw GraalInternalError.shouldNotReachHere();
+            }
+        } else if (isConstant(y)) {
+            switch (y.getKind()) {
+                case Int:
+                    masm.testl(((AMD64AddressValue) x).toAddress(), crb.asIntConst(y));
+                    break;
+                case Long:
+                    masm.testq(((AMD64AddressValue) x).toAddress(), crb.asIntConst(y));
+                    break;
+                default:
+                    throw GraalInternalError.shouldNotReachHere();
+            }
+        } else {
+            throw GraalInternalError.shouldNotReachHere();
+        }
+    }
+}