Mercurial > hg > truffle
view graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/snippets/UnsafeSnippets.java @ 5507:dc71b06d09f8
Moving classes from cri.ri to api.meta.
author | Thomas Wuerthinger <thomas.wuerthinger@oracle.com> |
---|---|
date | Thu, 07 Jun 2012 18:24:06 +0200 |
parents | 452f91ebdb54 |
children | a891c53a295b |
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/* * 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.hotspot.snippets; import com.oracle.max.cri.util.*; import com.oracle.graal.api.meta.*; import com.oracle.graal.nodes.extended.*; import com.oracle.graal.nodes.java.*; import com.oracle.graal.snippets.*; /** * Snippets for {@link sun.misc.Unsafe} methods. */ @ClassSubstitution(sun.misc.Unsafe.class) public class UnsafeSnippets implements SnippetsInterface { public boolean compareAndSwapObject(Object o, long offset, Object expected, Object x) { return CompareAndSwapNode.compareAndSwap(o, 0, offset, expected, x); } public boolean compareAndSwapInt(Object o, long offset, int expected, int x) { return CompareAndSwapNode.compareAndSwap(o, 0, offset, expected, x); } public boolean compareAndSwapLong(Object o, long offset, long expected, long x) { return CompareAndSwapNode.compareAndSwap(o, 0, offset, expected, x); } public Object getObject(Object o, long offset) { return UnsafeLoadNode.load(o, 0, offset, RiKind.Object); } public Object getObjectVolatile(Object o, long offset) { MembarNode.get(MemoryBarriers.JMM_PRE_VOLATILE_READ); Object result = getObject(o, offset); MembarNode.get(MemoryBarriers.JMM_POST_VOLATILE_READ); return result; } public void putObject(Object o, long offset, Object x) { UnsafeStoreNode.store(o, 0, offset, x, RiKind.Object); } public void putObjectVolatile(Object o, long offset, Object x) { MembarNode.get(MemoryBarriers.JMM_PRE_VOLATILE_WRITE); putObject(o, offset, x); MembarNode.get(MemoryBarriers.JMM_POST_VOLATILE_WRITE); } public int getInt(Object o, long offset) { Integer value = UnsafeLoadNode.load(o, 0, offset, RiKind.Int); return value; } public int getIntVolatile(Object o, long offset) { MembarNode.get(MemoryBarriers.JMM_PRE_VOLATILE_READ); int result = getInt(o, offset); MembarNode.get(MemoryBarriers.JMM_POST_VOLATILE_READ); return result; } public void putInt(Object o, long offset, int x) { UnsafeStoreNode.store(o, 0, offset, x, RiKind.Int); } public void putIntVolatile(Object o, long offset, int x) { MembarNode.get(MemoryBarriers.JMM_PRE_VOLATILE_WRITE); putInt(o, offset, x); MembarNode.get(MemoryBarriers.JMM_POST_VOLATILE_WRITE); } public boolean getBoolean(Object o, long offset) { @JavacBug(id = 6995200) Boolean result = UnsafeLoadNode.load(o, 0, offset, RiKind.Boolean); return result; } public boolean getBooleanVolatile(Object o, long offset) { MembarNode.get(MemoryBarriers.JMM_PRE_VOLATILE_READ); boolean result = getBoolean(o, offset); MembarNode.get(MemoryBarriers.JMM_POST_VOLATILE_READ); return result; } public void putBoolean(Object o, long offset, boolean x) { UnsafeStoreNode.store(o, 0, offset, x, RiKind.Boolean); } public void putBooleanVolatile(Object o, long offset, boolean x) { MembarNode.get(MemoryBarriers.JMM_PRE_VOLATILE_WRITE); putBoolean(o, offset, x); MembarNode.get(MemoryBarriers.JMM_POST_VOLATILE_WRITE); } public byte getByte(Object o, long offset) { @JavacBug(id = 6995200) Byte result = UnsafeLoadNode.load(o, 0, offset, RiKind.Byte); return result; } public byte getByteVolatile(Object o, long offset) { MembarNode.get(MemoryBarriers.JMM_PRE_VOLATILE_READ); byte result = getByte(o, offset); MembarNode.get(MemoryBarriers.JMM_POST_VOLATILE_READ); return result; } public void putByte(Object o, long offset, byte x) { UnsafeStoreNode.store(o, 0, offset, x, RiKind.Byte); } public void putByteVolatile(Object o, long offset, byte x) { MembarNode.get(MemoryBarriers.JMM_PRE_VOLATILE_WRITE); putByte(o, offset, x); MembarNode.get(MemoryBarriers.JMM_POST_VOLATILE_WRITE); } public short getShort(Object o, long offset) { @JavacBug(id = 6995200) Short result = UnsafeLoadNode.load(o, 0, offset, RiKind.Short); return result; } public short getShortVolatile(Object o, long offset) { MembarNode.get(MemoryBarriers.JMM_PRE_VOLATILE_READ); short result = getShort(o, offset); MembarNode.get(MemoryBarriers.JMM_POST_VOLATILE_READ); return result; } public void putShort(Object o, long offset, short x) { UnsafeStoreNode.store(o, 0, offset, x, RiKind.Short); } public void putShortVolatile(Object o, long offset, short x) { MembarNode.get(MemoryBarriers.JMM_PRE_VOLATILE_WRITE); putShort(o, offset, x); MembarNode.get(MemoryBarriers.JMM_POST_VOLATILE_WRITE); } public char getChar(Object o, long offset) { @JavacBug(id = 6995200) Character result = UnsafeLoadNode.load(o, 0, offset, RiKind.Char); return result; } public char getCharVolatile(Object o, long offset) { MembarNode.get(MemoryBarriers.JMM_PRE_VOLATILE_READ); char result = getChar(o, offset); MembarNode.get(MemoryBarriers.JMM_POST_VOLATILE_READ); return result; } public void putChar(Object o, long offset, char x) { UnsafeStoreNode.store(o, 0, offset, x, RiKind.Char); } public void putCharVolatile(Object o, long offset, char x) { MembarNode.get(MemoryBarriers.JMM_PRE_VOLATILE_WRITE); putChar(o, offset, x); MembarNode.get(MemoryBarriers.JMM_POST_VOLATILE_WRITE); } public long getLong(Object o, long offset) { @JavacBug(id = 6995200) Long result = UnsafeLoadNode.load(o, 0, offset, RiKind.Long); return result; } public long getLongVolatile(Object o, long offset) { MembarNode.get(MemoryBarriers.JMM_PRE_VOLATILE_READ); long result = getLong(o, offset); MembarNode.get(MemoryBarriers.JMM_POST_VOLATILE_READ); return result; } public void putLong(Object o, long offset, long x) { UnsafeStoreNode.store(o, 0, offset, x, RiKind.Long); } public void putLongVolatile(Object o, long offset, long x) { MembarNode.get(MemoryBarriers.JMM_PRE_VOLATILE_WRITE); putLong(o, offset, x); MembarNode.get(MemoryBarriers.JMM_POST_VOLATILE_WRITE); } public float getFloat(Object o, long offset) { @JavacBug(id = 6995200) Float result = UnsafeLoadNode.load(o, 0, offset, RiKind.Float); return result; } public float getFloatVolatile(Object o, long offset) { MembarNode.get(MemoryBarriers.JMM_PRE_VOLATILE_READ); float result = getFloat(o, offset); MembarNode.get(MemoryBarriers.JMM_POST_VOLATILE_READ); return result; } public void putFloat(Object o, long offset, float x) { UnsafeStoreNode.store(o, 0, offset, x, RiKind.Float); } public void putFloatVolatile(Object o, long offset, float x) { MembarNode.get(MemoryBarriers.JMM_PRE_VOLATILE_WRITE); putFloat(o, offset, x); MembarNode.get(MemoryBarriers.JMM_POST_VOLATILE_WRITE); } public double getDouble(Object o, long offset) { @JavacBug(id = 6995200) Double result = UnsafeLoadNode.load(o, 0, offset, RiKind.Double); return result; } public double getDoubleVolatile(Object o, long offset) { MembarNode.get(MemoryBarriers.JMM_PRE_VOLATILE_READ); double result = getDouble(o, offset); MembarNode.get(MemoryBarriers.JMM_POST_VOLATILE_READ); return result; } public void putDouble(Object o, long offset, double x) { UnsafeStoreNode.store(o, 0, offset, x, RiKind.Double); } public void putDoubleVolatile(Object o, long offset, double x) { MembarNode.get(MemoryBarriers.JMM_PRE_VOLATILE_WRITE); putDouble(o, offset, x); MembarNode.get(MemoryBarriers.JMM_POST_VOLATILE_WRITE); } }