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comparison graal/com.oracle.max.cri/src/com/sun/cri/ci/CiAddress.java @ 4182:de7b3e7ae528

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Simplify CiValue
author Christian Wimmer <Christian.Wimmer@Oracle.com>
date Mon, 02 Jan 2012 14:38:17 -0800
parents f5328dda9714
children 9e0c1b4cfef5
comparison
equal deleted inserted replaced
4181:319860ae697a 4182:de7b3e7ae528
1 /* 1 /*
2 * Copyright (c) 2010, 2011, Oracle and/or its affiliates. All rights reserved. 2 * Copyright (c) 2010, 2012, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 * 4 *
5 * This code is free software; you can redistribute it and/or modify it 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 6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. 7 * published by the Free Software Foundation.
26 * Represents an address in target machine memory, specified via some combination of a base register, an index register, 26 * Represents an address in target machine memory, specified via some combination of a base register, an index register,
27 * a displacement and a scale. Note that the base and index registers may be {@link CiVariable variable}, that is as yet 27 * a displacement and a scale. Note that the base and index registers may be {@link CiVariable variable}, that is as yet
28 * unassigned to target machine registers. 28 * unassigned to target machine registers.
29 */ 29 */
30 public final class CiAddress extends CiValue { 30 public final class CiAddress extends CiValue {
31
32 /**
33 *
34 */
35 private static final long serialVersionUID = -1003772042519945089L; 31 private static final long serialVersionUID = -1003772042519945089L;
36 32
37 /** 33 /**
38 * A sentinel value used as a place holder in an instruction stream for an address that will be patched. 34 * A sentinel value used as a place holder in an instruction stream for an address that will be patched.
39 */ 35 */
251 } 247 }
252 return false; 248 return false;
253 } 249 }
254 250
255 @Override 251 @Override
256 public boolean equalsIgnoringKind(CiValue o) {
257 if (o instanceof CiAddress) {
258 CiAddress addr = (CiAddress) o;
259 return displacement == addr.displacement && base.equalsIgnoringKind(addr.base) && scale == addr.scale && index.equalsIgnoringKind(addr.index);
260 }
261 return false;
262 }
263
264 @Override
265 public int hashCode() { 252 public int hashCode() {
266 return (base.hashCode() << 4) | kind.ordinal(); 253 return (base.hashCode() << 4) | kind.ordinal();
267 } 254 }
268 } 255 }