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comparison graal/GraalCompiler/src/com/sun/c1x/ir/Goto.java @ 2509:16b9a8b5ad39

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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/Goto.java@9ec15d6914ca
children 0c6564c254af
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2508:fea94949e0a2 2509:16b9a8b5ad39
1 /*
2 * Copyright (c) 2009, 2011, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23 package com.sun.c1x.ir;
24
25 import com.sun.c1x.debug.*;
26 import com.sun.c1x.value.*;
27 import com.sun.cri.ci.*;
28
29 /**
30 * The {@code Goto} instruction represents the end of a block with an unconditional jump to another block.
31 *
32 * @author Ben L. Titzer
33 */
34 public final class Goto extends BlockEnd {
35
36 /**
37 * Constructs a new Goto instruction.
38 * @param succ the successor block of the goto
39 * @param stateAfter the frame state at the end of this block
40 * @param isSafepoint {@code true} if the goto should be considered a safepoint (e.g. backward branch)
41 */
42 public Goto(BlockBegin succ, FrameState stateAfter, boolean isSafepoint) {
43 super(CiKind.Illegal, stateAfter, isSafepoint);
44 successors.add(succ);
45 }
46
47 @Override
48 public void accept(ValueVisitor v) {
49 v.visitGoto(this);
50 }
51
52 @Override
53 public void print(LogStream out) {
54 out.print("goto B").print(defaultSuccessor().blockID);
55 if (isSafepoint()) {
56 out.print(" (safepoint)");
57 }
58 }
59 }