--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/graal/com.oracle.graal.snippets/src/com/oracle/graal/snippets/MathSnippetsX86.java	Thu Mar 08 19:24:17 2012 +0100
@@ -0,0 +1,84 @@
+/*
+ * Copyright (c) 2011, 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.snippets;
+
+import com.oracle.max.cri.ci.*;
+import com.oracle.graal.nodes.extended.*;
+import com.oracle.graal.snippets.nodes.*;
+import com.oracle.graal.snippets.nodes.MathIntrinsicNode.Operation;
+
+/**
+ * Snippets for {@link java.lang.Math} methods.
+ */
+@ClassSubstitution(java.lang.Math.class)
+public class MathSnippetsX86 implements SnippetsInterface {
+
+    private static final double PI_4 = 0.7853981633974483;
+
+    public static double abs(double x) {
+        return MathIntrinsicNode.compute(x, Operation.ABS);
+    }
+
+    public static double sqrt(double x) {
+        return MathIntrinsicNode.compute(x, Operation.SQRT);
+    }
+
+    public static double log(double x) {
+        return MathIntrinsicNode.compute(x, Operation.LOG);
+    }
+
+    public static double log10(double x) {
+        return MathIntrinsicNode.compute(x, Operation.LOG10);
+    }
+
+    // NOTE on snippets below:
+    //   Math.sin(), .cos() and .tan() guarantee a value within 1 ULP of the
+    //   exact result, but x87 trigonometric FPU instructions are only that
+    //   accurate within [-pi/4, pi/4]. Examine the passed value and provide
+    //   a slow path for inputs outside of that interval.
+
+    public static double sin(double x) {
+        if (abs(x) < PI_4) {
+            return MathIntrinsicNode.compute(x, Operation.SIN);
+        } else {
+            return RuntimeCallNode.performCall(CiRuntimeCall.ArithmeticSin, x);
+        }
+    }
+
+    public static double cos(double x) {
+        if (abs(x) < PI_4) {
+            return MathIntrinsicNode.compute(x, Operation.COS);
+        } else {
+            return RuntimeCallNode.performCall(CiRuntimeCall.ArithmeticCos, x);
+        }
+    }
+
+    public static double tan(double x) {
+        if (abs(x) < PI_4) {
+            return MathIntrinsicNode.compute(x, Operation.TAN);
+        } else {
+            return RuntimeCallNode.performCall(CiRuntimeCall.ArithmeticTan, x);
+        }
+    }
+
+}