Mercurial > hg > graal-compiler
view graal/GraalCompiler/src/com/sun/c1x/ir/Infopoint.java @ 2509:16b9a8b5ad39
Renamings Runtime=>GraalRuntime and Compiler=>GraalCompiler
author | Thomas Wuerthinger <thomas@wuerthinger.net> |
---|---|
date | Wed, 27 Apr 2011 11:50:44 +0200 |
parents | graal/Compiler/src/com/sun/c1x/ir/Infopoint.java@9ec15d6914ca |
children |
line wrap: on
line source
/* * Copyright (c) 2010, 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 static com.sun.cri.bytecode.Bytecodes.*; import com.sun.c1x.debug.*; import com.sun.c1x.value.*; import com.sun.cri.bytecode.*; import com.sun.cri.ci.*; /** * Records debug info at the current code location. * * @author Doug Simon */ public final class Infopoint extends Instruction { public final FrameState state; /** * {@link Bytecodes#HERE}, {@link Bytecodes#INFO} or {@link Bytecodes#SAFEPOINT}. */ public final int opcode; /** * Creates a new Infopoint instance. * @param state the debug info at this instruction */ public Infopoint(int opcode, FrameState state) { super(opcode == HERE ? CiKind.Long : CiKind.Void); assert opcode == HERE || opcode == INFO || opcode == SAFEPOINT : Bytecodes.nameOf(opcode); this.opcode = opcode; this.state = state; setFlag(Flag.LiveSideEffect); // ensure this instruction is not eliminated if (opcode == SAFEPOINT) { setFlag(Value.Flag.IsSafepoint); } } @Override public void accept(ValueVisitor v) { v.visitInfopoint(this); } @Override public FrameState stateBefore() { return state; } @Override public void print(LogStream out) { out.print(Bytecodes.nameOf(opcode)); } }