Mercurial > hg > graal-jvmci-8
diff graal/Compiler/src/com/sun/c1x/ir/UnsafeObjectOp.java @ 2507:9ec15d6914ca
Pull over of compiler from maxine repository.
author | Thomas Wuerthinger <thomas@wuerthinger.net> |
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date | Wed, 27 Apr 2011 11:43:22 +0200 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/graal/Compiler/src/com/sun/c1x/ir/UnsafeObjectOp.java Wed Apr 27 11:43:22 2011 +0200 @@ -0,0 +1,87 @@ +/* + * Copyright (c) 2009, 2010, 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.ir; + +import com.sun.cri.ci.*; + +/** + * The {@code UnsafeObjectOp} class is the base of all unsafe object instructions. + * + * @author Ben L. Titzer + */ +public abstract class UnsafeObjectOp extends UnsafeOp { + + Value object; + Value offset; + final boolean isVolatile; + + /** + * Creates a new UnsafeObjectOp instruction. + * @param opKind the kind of the operation + * @param object the instruction generating the object + * @param offset the instruction generating the index + * @param isStore {@code true} if this is a store operation + * @param isVolatile {@code true} if the operation is volatile + */ + public UnsafeObjectOp(CiKind opKind, Value object, Value offset, boolean isStore, boolean isVolatile) { + super(opKind, isStore); + this.object = object; + this.offset = offset; + this.isVolatile = isVolatile; + } + + /** + * Gets the instruction that generates the object. + * @return the instruction that produces the object + */ + public Value object() { + return object; + } + + /** + * Gets the instruction that generates the offset. + * @return the instruction generating the offset + */ + public Value offset() { + return offset; + } + + /** + * Checks whether this is a volatile operation. + * @return {@code true} if this operation is volatile + */ + public boolean isVolatile() { + return isVolatile; + } + + /** + * Iterates over the input values of this instruction. + * @param closure the closure to apply + */ + @Override + public void inputValuesDo(ValueClosure closure) { + super.inputValuesDo(closure); + object = closure.apply(object); + offset = closure.apply(offset); + } +}