--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/graal/Compiler/src/com/sun/c1x/C1XOptions.java	Wed Apr 27 11:43:22 2011 +0200
@@ -0,0 +1,212 @@
+/*
+ * Copyright (c) 2009, 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.sun.c1x;
+
+import com.sun.c1x.debug.TTY.*;
+
+/**
+ * This class encapsulates options that control the behavior of the C1X compiler.
+ * The help message for each option is specified by a {@linkplain #helpMap help map}.
+ *
+ * (tw) WARNING: Fields of this class are treated as final by Graal.
+ *
+ * @author Ben L. Titzer
+ */
+public final class C1XOptions {
+
+    // Checkstyle: stop
+    private static final boolean ____ = false;
+    // Checkstyle: resume
+
+    // inlining settings
+    public static boolean OptInline                          = ____;
+    public static boolean OptInlineExcept                    = ____;
+    public static boolean OptInlineSynchronized              = ____;
+
+    public static int     MaximumInstructionCount            = 37000;
+    public static float   MaximumInlineRatio                 = 0.90f;
+    public static int     MaximumInlineSize                  = 35;
+    public static int     MaximumTrivialSize                 = 6;
+    public static int     MaximumInlineLevel                 = 9;
+    public static int     MaximumRecursiveInlineLevel        = 1;
+    public static int     MaximumDesiredSize                 = 8000;
+    public static int     MaximumShortLoopSize               = 5;
+
+    // intrinsification settings
+    public static boolean OptIntrinsify                      = ____;
+
+    // debugging settings
+    public static boolean VerifyPointerMaps                  = ____;
+    public static boolean PinAllInstructions                 = ____;
+    public static boolean TestPatching                       = ____;
+    public static boolean FatalUnimplemented                 = ____;
+    public static int     MethodEndBreakpointGuards          = 0;
+    public static boolean ZapStackOnMethodEntry              = ____;
+    public static boolean StressLinearScan                   = ____;
+
+    /**
+     * See {@link Filter#Filter(String, Object)}.
+     */
+    public static String  PrintFilter                        = null;
+
+    // printing settings
+    public static boolean PrintHIR                           = ____;
+    public static boolean PrintInliningFailures              = ____;
+    public static boolean PrintLIR                           = ____;
+    public static boolean PrintCFGToFile                     = ____;
+    public static boolean PrintMetrics                       = ____;
+    public static boolean PrintTimers                        = ____;
+    public static boolean PrintCompilation                   = ____;
+    public static boolean PrintXirTemplates                  = ____;
+    public static boolean PrintIRWithLIR                     = ____;
+    public static boolean PrintAssembly                      = ____;
+    public static boolean PrintCodeBytes                     = ____;
+    public static int     PrintAssemblyBytesPerLine          = 16;
+    public static int     TraceLinearScanLevel               = 0;
+    public static boolean TraceRelocation                    = ____;
+    public static boolean TraceLIRVisit                      = ____;
+    public static boolean TraceAssembler                     = ____;
+    public static int     TraceBytecodeParserLevel           = 0;
+    public static boolean PrintAssumptions                   = ____;
+    public static boolean PrintInlinedIntrinsics             = ____;
+
+    // IR checking
+    public static boolean InterpretInvokedMethods            = ____;
+    public static boolean PrintStateInInterpreter            = ____;
+
+    // canonicalizer settings
+    public static boolean CanonicalizeIntrinsics             = true;
+    public static boolean CanonicalizeFloatingPoint          = true;
+    public static boolean CanonicalizeNarrowingInStores      = true;
+    public static boolean CanonicalizeConstantFields         = true;
+    public static boolean CanonicalizeUnsafes                = true;
+    public static boolean CanonicalizeMultipliesToShifts     = true;
+    public static boolean CanonicalizeObjectCheckCast        = true;
+    public static boolean CanonicalizeObjectInstanceOf       = true;
+    public static boolean CanonicalizeFoldableMethods        = true;
+    public static boolean CanonicalizeArrayStoreChecks       = true;
+
+    // all optimization settings
+    public static boolean OptCanonicalize;
+    public static boolean OptLocalValueNumbering;
+    public static boolean OptLocalLoadElimination;
+    public static boolean OptCSEArrayLength;
+    public static boolean OptGlobalValueNumbering;
+    public static boolean OptCEElimination;
+    public static boolean OptBlockMerging;
+    public static boolean OptBlockSkipping;
+    public static boolean OptNullCheckElimination;
+    public static boolean OptIterativeNCE;
+    public static boolean OptFlowSensitiveNCE;
+    public static boolean OptDeadCodeElimination1;
+    public static boolean OptDeadCodeElimination2;
+    public static boolean OptControlFlow;
+    public static boolean OptMoveElimination;
+
+    // optimistic optimization settings
+    public static boolean UseAssumptions                = true;
+
+    // state merging settings
+    public static boolean AssumeVerifiedBytecode        = ____;
+    public static boolean PhiSimplify                   = true;
+    public static boolean PhiLoopStores                 = true;
+
+    // miscellaneous settings
+    public static boolean SupportObjectConstants        = true;
+
+    // Linear scan settings
+    public static boolean CopyPointerStackArguments     = true;
+
+    // Code generator settings
+    public static boolean GenLIR                        = true;
+    public static boolean GenCode                       = true;
+
+    public static boolean UseConstDirectCall            = false;
+
+    public static boolean GenSpecialDivChecks           = ____;
+    public static boolean GenAssertionCode              = ____;
+    public static boolean AlignCallsForPatching         = true;
+    public static boolean NullCheckUniquePc             = ____;
+    public static boolean InvokeSnippetAfterArguments   = ____;
+    public static boolean ResolveClassBeforeStaticInvoke = true;
+
+    // Translating tableswitch instructions
+    public static int     SequentialSwitchLimit         = 4;
+    public static int     RangeTestsSwitchDensity       = 5;
+
+    public static int     InitialCodeBufferSize         = 232;
+    public static boolean DetailedAsserts               = true;
+
+    // Runtime settings
+    public static int     ReadPrefetchInstr             = 0;
+    public static boolean UseStackMapTableLiveness      = ____;
+    public static int     StackShadowPages              = 2;
+
+    // Assembler settings
+    public static boolean CommentedAssembly             = ____;
+    public static boolean PrintLIRWithAssembly          = ____;
+    public static int     Atomics                       = 0;
+    public static boolean UseNormalNop                  = true;
+    public static boolean UseAddressNop                 = true;
+    public static boolean UseIncDec                     = ____;
+    public static boolean UseXmmLoadAndClearUpper       = ____;
+    public static boolean UseXmmRegToRegMoveAll         = ____;
+
+    static {
+        setOptimizationLevel(1);
+    }
+
+    public static void setOptimizationLevel(int level) {
+        final boolean l = (level >= 1);
+        final boolean ll = (level >= 2);
+        final boolean lll = (level >= 3);
+
+        // Level 1 optimizations
+        OptCanonicalize                 = l;
+        OptLocalValueNumbering          = l;
+        OptLocalLoadElimination         = l;
+        PhiLoopStores                   = l;
+        OptControlFlow                  = l;
+        OptMoveElimination              = l;
+        OptNullCheckElimination         = l;
+
+        // Level 2 optimizations
+        OptInline                       = ll;
+        OptBlockMerging                 = ll;
+
+        // Level 3 optimizations
+        OptCSEArrayLength               = lll;
+        OptIntrinsify                   = lll;
+        OptInlineExcept                 = lll;
+        OptInlineSynchronized           = lll;
+        UseStackMapTableLiveness        = lll;
+        UseAssumptions                  = lll;
+        OptIterativeNCE                 = lll;
+        OptFlowSensitiveNCE             = lll;
+        OptDeadCodeElimination1         = lll;
+        OptDeadCodeElimination2         = lll;
+        OptGlobalValueNumbering         = lll;
+        OptCEElimination                = lll;
+        OptBlockSkipping                = lll;
+    }
+}