Mercurial > hg > graal-compiler
view graal/GraalCompiler/src/com/sun/c1x/ir/StoreField.java @ 2509:16b9a8b5ad39
Renamings Runtime=>GraalRuntime and Compiler=>GraalCompiler
author | Thomas Wuerthinger <thomas@wuerthinger.net> |
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date | Wed, 27 Apr 2011 11:50:44 +0200 |
parents | graal/Compiler/src/com/sun/c1x/ir/StoreField.java@9ec15d6914ca |
children | e1ba5a93e997 |
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/* * 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.ir; import com.sun.c1x.debug.*; import com.sun.c1x.value.*; import com.sun.cri.ci.*; import com.sun.cri.ri.*; /** * The {@code StoreField} instruction represents a write to a static or instance field. * * @author Ben L. Titzer */ public final class StoreField extends AccessField { /** * The value to store. */ Value value; /** * Creates a new LoadField instance. * @param object the receiver object * @param field the compiler interface field * @param value the instruction representing the value to store to the field * @param isStatic indicates if the field is static * @param stateBefore the state before the field access * @param isLoaded indicates if the class is loaded */ public StoreField(Value object, RiField field, Value value, boolean isStatic, FrameState stateBefore, boolean isLoaded) { super(CiKind.Void, object, field, isStatic, stateBefore, isLoaded); this.value = value; setFlag(Flag.LiveStore); if (value.kind != CiKind.Object) { setFlag(Flag.NoWriteBarrier); } } /** * Gets the value that is written to the field. * @return the value */ public Value value() { return value; } /** * Checks whether this instruction needs a write barrier. * @return {@code true} if this instruction needs a write barrier */ public boolean needsWriteBarrier() { return !checkFlag(Flag.NoWriteBarrier); } @Override public void inputValuesDo(ValueClosure closure) { super.inputValuesDo(closure); value = closure.apply(value); } @Override public void accept(ValueVisitor v) { v.visitStoreField(this); } @Override public void print(LogStream out) { out.print(object()). print("."). print(field().name()). print(" := "). print(value()). print(" [type: ").print(CiUtil.format("%h.%n:%t", field(), false)). print(']'); } }