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comparison graal/Compiler/src/com/sun/c1x/ir/IncrementRegister.java @ 2507:9ec15d6914ca

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Pull over of compiler from maxine repository.
author Thomas Wuerthinger <thomas@wuerthinger.net>
date Wed, 27 Apr 2011 11:43:22 +0200
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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.cri.ci.*;
27
28 /**
29 * @author Doug Simon
30 */
31 public final class IncrementRegister extends Instruction {
32
33 public final CiRegister register;
34 private Value delta;
35
36 public IncrementRegister(CiRegister register, Value delta) {
37 super(CiKind.Void);
38 this.register = register;
39 this.delta = delta;
40 setFlag(Flag.LiveStore);
41 }
42
43 @Override
44 public void accept(ValueVisitor v) {
45 v.visitIncrementRegister(this);
46 }
47
48 public Value delta() {
49 return delta;
50 }
51
52 @Override
53 public void inputValuesDo(ValueClosure closure) {
54 delta = closure.apply(delta);
55 }
56
57 @Override
58 public void print(LogStream out) {
59 out.print(register.toString()).print(" += ").print(delta);
60 }
61 }