view graal/com.oracle.graal.truffle/src/com/oracle/graal/truffle/substitutions/CompilerDirectivesSubstitutions.java @ 11898:f753092f608d

Adjustments to unsafe access and unsafe cast compiler directives in Truffle API.
author Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
date Sun, 06 Oct 2013 15:36:12 +0200
parents 992508ee13b6
children e04a86167368
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/*
 * Copyright (c) 2013, 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.truffle.substitutions;

import java.util.concurrent.*;

import com.oracle.graal.api.meta.*;
import com.oracle.graal.api.replacements.*;
import com.oracle.graal.nodes.*;
import com.oracle.graal.nodes.extended.*;
import com.oracle.graal.nodes.spi.*;
import com.oracle.graal.truffle.nodes.*;
import com.oracle.graal.truffle.nodes.typesystem.*;
import com.oracle.truffle.api.*;

@ClassSubstitution(CompilerDirectives.class)
public class CompilerDirectivesSubstitutions {

    @MethodSubstitution
    public static void transferToInterpreter() {
        DeoptimizeNode.deopt(DeoptimizationAction.InvalidateRecompile, DeoptimizationReason.UnreachedCode);
    }

    @MethodSubstitution
    public static boolean inInterpreter() {
        return false;
    }

    @MethodSubstitution
    public static void interpreterOnly(@SuppressWarnings("unused") Runnable runnable) {
    }

    @MethodSubstitution
    public static <T> T interpreterOnly(@SuppressWarnings("unused") Callable<T> callable) throws Exception {
        return null;
    }

    @MethodSubstitution
    public static boolean injectBranchProbability(double probability, boolean condition) {
        return BranchProbabilityNode.probability(probability, condition);
    }

    @MacroSubstitution(macro = BailoutNode.class, isStatic = true)
    public static native void bailout(String reason);

    @MacroSubstitution(macro = UnsafeTypeCastMacroNode.class, isStatic = true)
    public static native Object unsafeCast(Object value, Class clazz, boolean condition);

    @MethodSubstitution
    public static boolean unsafeGetBoolean(Object receiver, long offset, boolean condition, Object locationIdentity) {
        return CustomizedUnsafeLoadNode.load(receiver, offset, Kind.Boolean, condition, locationIdentity);
    }

    @MethodSubstitution
    public static byte unsafeGetByte(Object receiver, long offset, boolean condition, Object locationIdentity) {
        return CustomizedUnsafeLoadNode.load(receiver, offset, Kind.Byte, condition, locationIdentity);
    }

    @MethodSubstitution
    public static short unsafeGetShort(Object receiver, long offset, boolean condition, Object locationIdentity) {
        return CustomizedUnsafeLoadNode.load(receiver, offset, Kind.Short, condition, locationIdentity);
    }

    @MethodSubstitution
    public static int unsafeGetInt(Object receiver, long offset, boolean condition, Object locationIdentity) {
        return CustomizedUnsafeLoadNode.load(receiver, offset, Kind.Int, condition, locationIdentity);
    }

    @MethodSubstitution
    public static float unsafeGetFloat(Object receiver, long offset, boolean condition, Object locationIdentity) {
        return CustomizedUnsafeLoadNode.load(receiver, offset, Kind.Float, condition, locationIdentity);
    }

    @MethodSubstitution
    public static double unsafeGetDouble(Object receiver, long offset, boolean condition, Object locationIdentity) {
        return CustomizedUnsafeLoadNode.load(receiver, offset, Kind.Double, condition, locationIdentity);
    }

    @MethodSubstitution
    public static Object unsafeGetObject(Object receiver, long offset, boolean condition, Object locationIdentity) {
        return CustomizedUnsafeLoadNode.load(receiver, offset, Kind.Object, condition, locationIdentity);
    }

    @MethodSubstitution
    public static void unsafePutBoolean(Object receiver, long offset, boolean value, Object locationIdentity) {
        CustomizedUnsafeStoreNode.store(receiver, offset, value, Kind.Boolean, locationIdentity);
    }

    @MethodSubstitution
    public static void unsafePutByte(Object receiver, long offset, byte value, Object locationIdentity) {
        CustomizedUnsafeStoreNode.store(receiver, offset, value, Kind.Byte, locationIdentity);
    }

    @MethodSubstitution
    public static void unsafePutShort(Object receiver, long offset, short value, Object locationIdentity) {
        CustomizedUnsafeStoreNode.store(receiver, offset, value, Kind.Short, locationIdentity);
    }

    @MethodSubstitution
    public static void unsafePutInt(Object receiver, long offset, int value, Object locationIdentity) {
        CustomizedUnsafeStoreNode.store(receiver, offset, value, Kind.Int, locationIdentity);
    }

    @MethodSubstitution
    public static void unsafePutLong(Object receiver, long offset, long value, Object locationIdentity) {
        CustomizedUnsafeStoreNode.store(receiver, offset, value, Kind.Long, locationIdentity);
    }

    @MethodSubstitution
    public static void unsafePutFloat(Object receiver, long offset, float value, Object locationIdentity) {
        CustomizedUnsafeStoreNode.store(receiver, offset, value, Kind.Float, locationIdentity);
    }

    @MethodSubstitution
    public static void unsafePutDouble(Object receiver, long offset, double value, Object locationIdentity) {
        CustomizedUnsafeStoreNode.store(receiver, offset, value, Kind.Double, locationIdentity);
    }

    @MethodSubstitution
    public static void unsafePutObject(Object receiver, long offset, Object value, Object locationIdentity) {
        CustomizedUnsafeStoreNode.store(receiver, offset, value, Kind.Object, locationIdentity);
    }
}