--- /dev/null	2013-07-08 15:01:14.000000000 -0700
+++ new/graal/com.oracle.graal.lir.hsail/src/com/oracle/graal/lir/hsail/HSAILCompare.java	2013-07-08 15:01:14.000000000 -0700
@@ -0,0 +1,113 @@
+/*
+ * 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.hsail;
+
+import static com.oracle.graal.lir.LIRInstruction.OperandFlag.*;
+import com.oracle.graal.api.meta.*;
+import com.oracle.graal.asm.hsail.*;
+import com.oracle.graal.graph.*;
+import com.oracle.graal.lir.asm.*;
+import com.oracle.graal.nodes.calc.*;
+import com.oracle.graal.lir.*;
+
+/**
+ * Implementation of compare operations.
+ */
+public enum HSAILCompare {
+    ICMP, LCMP, ACMP, FCMP, DCMP;
+
+    public static class CompareOp extends HSAILLIRInstruction {
+
+        @Opcode private final HSAILCompare opcode;
+        @Use({REG, STACK, CONST}) protected Value x;
+        @Use({REG, STACK, CONST}) protected Value y;
+        @Def({REG}) protected Value z;
+        private final Condition condition;
+        public boolean unordered = false;
+
+        public CompareOp(HSAILCompare opcode, Condition condition, Value x, Value y, Value z) {
+            this.opcode = opcode;
+            this.condition = condition;
+            this.x = x;
+            this.y = y;
+            this.z = z;
+        }
+
+        @Override
+        public void emitCode(TargetMethodAssembler tasm, HSAILAssembler masm) {
+            emit(tasm, masm, condition, x, y, z, unordered);
+        }
+
+        @Override
+        protected void verify() {
+            super.verify();
+            assert (x.getKind() == y.getKind() && ((name().startsWith("I") && x.getKind() == Kind.Int) || (name().startsWith("L") && x.getKind() == Kind.Long) ||
+                            (name().startsWith("A") && x.getKind() == Kind.Object) || (name().startsWith("F") && x.getKind() == Kind.Float) || (name().startsWith("D") && x.getKind() == Kind.Double)));
+        }
+    }
+
+    @SuppressWarnings("unused")
+    public static void emit(TargetMethodAssembler tasm, HSAILAssembler masm, Condition condition, Value x, Value y, Value z, boolean unorderedIsTrue) {
+        emitCompare(masm, condition, x, y, unorderedIsTrue);
+    }
+
+    private static String conditionToString(Condition condition) {
+        switch (condition) {
+            case EQ:
+                return "eq";
+            case NE:
+                return "ne";
+            case LT:
+            case BT:
+                return "lt";
+            case LE:
+            case BE:
+                return "le";
+            case GT:
+            case AT:
+                return "gt";
+            case GE:
+            case AE:
+                return "ge";
+            default:
+                throw GraalInternalError.shouldNotReachHere();
+        }
+    }
+
+    private static boolean isUnsignedCompare(Condition condition) {
+        switch (condition) {
+            case BT:
+            case BE:
+            case AT:
+            case AE:
+                return true;
+            default:
+                return false;
+        }
+    }
+
+    private static void emitCompare(HSAILAssembler masm, Condition condition, Value src0, Value src1, boolean unordered) {
+        masm.emitCompare(src0, src1, conditionToString(condition), unordered, isUnsignedCompare(condition));
+    }
+
+}