--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/c1x4hotspotsrc/HotSpotVM/src/com/sun/hotspot/c1x/Compiler.java	Wed Jun 23 16:36:58 2010 +0200
@@ -0,0 +1,71 @@
+/*
+ * Copyright (c) 2009 Sun Microsystems, Inc.  All rights reserved.
+ *
+ * Sun Microsystems, Inc. has intellectual property rights relating to technology embodied in the product
+ * that is described in this document. In particular, and without limitation, these intellectual property
+ * rights may include one or more of the U.S. patents listed at http://www.sun.com/patents and one or
+ * more additional patents or pending patent applications in the U.S. and in other countries.
+ *
+ * U.S. Government Rights - Commercial software. Government users are subject to the Sun
+ * Microsystems, Inc. standard license agreement and applicable provisions of the FAR and its
+ * supplements.
+ *
+ * Use is subject to license terms. Sun, Sun Microsystems, the Sun logo, Java and Solaris are trademarks or
+ * registered trademarks of Sun Microsystems, Inc. in the U.S. and other countries. All SPARC trademarks
+ * are used under license and are trademarks or registered trademarks of SPARC International, Inc. in the
+ * U.S. and other countries.
+ *
+ * UNIX is a registered trademark in the U.S. and other countries, exclusively licensed through X/Open
+ * Company, Ltd.
+ */
+package com.sun.hotspot.c1x;
+
+import com.sun.c1x.C1XCompiler;
+import com.sun.c1x.C1XOptions;
+import com.sun.c1x.target.amd64.AMD64;
+import com.sun.cri.ci.CiCompiler;
+import com.sun.cri.ci.CiTarget;
+import com.sun.cri.ri.RiRegisterConfig;
+import com.sun.cri.xir.RiXirGenerator;
+
+/**
+ * 
+ * @author Thomas Wuerthinger
+ * 
+ * Singleton class holding the instance of the C1XCompiler.
+ *
+ */
+public class Compiler {
+
+	private static CiCompiler compiler;
+	
+	public static CiCompiler getCompiler() {
+		
+		if (compiler == null) {
+			compiler = createCompiler();
+		}
+		
+		return compiler;
+	}
+	
+	
+	private static CiCompiler createCompiler() {
+
+		final HotSpotRuntime runtime = new HotSpotRuntime();
+		final RiXirGenerator generator = new HotSpotXirGenerator();
+		final int wordSize = 8;
+		final int stackFrameAlignment = 8;
+		final int pageSize = 1024;
+		final RiRegisterConfig config = new HotSpotRegisterConfig();
+        final CiTarget target = new CiTarget(new AMD64(), config, true, wordSize, wordSize, wordSize, stackFrameAlignment, pageSize, wordSize, wordSize, 16);
+        final CiCompiler compiler = new C1XCompiler(runtime, target, generator);
+        
+        C1XOptions.setOptimizationLevel(3);
+        C1XOptions.TraceBytecodeParserLevel = 4;
+        C1XOptions.PrintCFGToFile = false;
+        C1XOptions.PrintAssembly = false;//true;
+        C1XOptions.PrintCompilation = true;
+        return compiler;
+        
+	}
+}