Mercurial > hg > graal-jvmci-8
annotate jvmci/jdk.vm.ci.code/src/jdk/vm/ci/code/Location.java @ 22672:1bbd4a7c274b
Rename jdk.internal.jvmci to jdk.vm.ci
| author | Tom Rodriguez <tom.rodriguez@oracle.com> |
|---|---|
| date | Thu, 08 Oct 2015 17:28:41 -0700 |
| parents | jvmci/jdk.internal.jvmci.code/src/jdk/internal/jvmci/code/Location.java@ae67bd822493 |
| children | 3e8ce13f4e12 |
| rev | line source |
|---|---|
| 22054 | 1 /* |
| 2 * Copyright (c) 2015, 2015, 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 */ | |
|
22672
1bbd4a7c274b
Rename jdk.internal.jvmci to jdk.vm.ci
Tom Rodriguez <tom.rodriguez@oracle.com>
parents:
22134
diff
changeset
|
23 package jdk.vm.ci.code; |
| 22054 | 24 |
| 25 /** | |
| 26 * Represents a location where a value can be stored. This can be either a {@link Register} or a | |
| 27 * stack slot. | |
| 28 */ | |
| 29 public final class Location { | |
| 30 | |
| 31 public final Register reg; | |
| 32 public final int offset; | |
| 33 | |
|
22134
ae67bd822493
jvmci: Move Location.addFrameSize logic from C++ to Java.
Roland Schatz <roland.schatz@oracle.com>
parents:
22054
diff
changeset
|
34 private Location(Register reg, int offset) { |
| 22054 | 35 this.reg = reg; |
| 36 this.offset = offset; | |
| 37 } | |
| 38 | |
| 39 /** | |
| 40 * Create a {@link Location} for a register. | |
| 41 */ | |
| 42 public static Location register(Register reg) { | |
|
22134
ae67bd822493
jvmci: Move Location.addFrameSize logic from C++ to Java.
Roland Schatz <roland.schatz@oracle.com>
parents:
22054
diff
changeset
|
43 return new Location(reg, 0); |
| 22054 | 44 } |
| 45 | |
| 46 /** | |
| 47 * Create a {@link Location} for a vector subregister. | |
| 48 * | |
| 49 * @param reg the {@link Register vector register} | |
| 50 * @param offset the offset in bytes into the vector register | |
| 51 */ | |
| 52 public static Location subregister(Register reg, int offset) { | |
|
22134
ae67bd822493
jvmci: Move Location.addFrameSize logic from C++ to Java.
Roland Schatz <roland.schatz@oracle.com>
parents:
22054
diff
changeset
|
53 return new Location(reg, offset); |
| 22054 | 54 } |
| 55 | |
| 56 /** | |
| 57 * Create a {@link Location} for a stack slot. | |
| 58 */ | |
|
22134
ae67bd822493
jvmci: Move Location.addFrameSize logic from C++ to Java.
Roland Schatz <roland.schatz@oracle.com>
parents:
22054
diff
changeset
|
59 public static Location stack(int offset) { |
|
ae67bd822493
jvmci: Move Location.addFrameSize logic from C++ to Java.
Roland Schatz <roland.schatz@oracle.com>
parents:
22054
diff
changeset
|
60 return new Location(null, offset); |
| 22054 | 61 } |
| 62 | |
| 63 public boolean isRegister() { | |
| 64 return reg != null; | |
| 65 } | |
| 66 | |
| 67 public boolean isStack() { | |
| 68 return reg == null; | |
| 69 } | |
| 70 | |
| 71 @Override | |
| 72 public String toString() { | |
|
22134
ae67bd822493
jvmci: Move Location.addFrameSize logic from C++ to Java.
Roland Schatz <roland.schatz@oracle.com>
parents:
22054
diff
changeset
|
73 String regName; |
| 22054 | 74 if (isRegister()) { |
|
22134
ae67bd822493
jvmci: Move Location.addFrameSize logic from C++ to Java.
Roland Schatz <roland.schatz@oracle.com>
parents:
22054
diff
changeset
|
75 regName = reg.name + ":"; |
| 22054 | 76 } else { |
|
22134
ae67bd822493
jvmci: Move Location.addFrameSize logic from C++ to Java.
Roland Schatz <roland.schatz@oracle.com>
parents:
22054
diff
changeset
|
77 regName = "stack:"; |
| 22054 | 78 } |
|
22134
ae67bd822493
jvmci: Move Location.addFrameSize logic from C++ to Java.
Roland Schatz <roland.schatz@oracle.com>
parents:
22054
diff
changeset
|
79 return regName + offset; |
| 22054 | 80 } |
| 81 } |