Mercurial > hg > graal-jvmci-8

comparison agent/src/share/classes/sun/jvm/hotspot/asm/sparc/V9AlternateSpaceDecoder.java @ 0:a61af66fc99e jdk7-b24

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Initial load
author duke
date Sat, 01 Dec 2007 00:00:00 +0000
parents
children c18cbe5936b8
comparison
equal deleted inserted replaced
-1:000000000000 0:a61af66fc99e
1 /*
2 * Copyright 2002 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
20 * CA 95054 USA or visit www.sun.com if you need additional information or
21 * have any questions.
22 *
23 */
24
25 package sun.jvm.hotspot.asm.sparc;
26
27 import sun.jvm.hotspot.asm.*;
28
29 abstract class V9AlternateSpaceDecoder extends MemoryInstructionDecoder
30 implements V9InstructionDecoder {
31 V9AlternateSpaceDecoder(int op3, String name, int dataType) {
32 super(op3, name, dataType);
33 }
34
35 SPARCRegisterIndirectAddress newRegisterIndirectAddress(SPARCRegister rs1, SPARCRegister rs2) {
36 return new SPARCV9RegisterIndirectAddress(rs1, rs2);
37 }
38
39 SPARCRegisterIndirectAddress newRegisterIndirectAddress(SPARCRegister rs1, int offset) {
40 return new SPARCV9RegisterIndirectAddress(rs1, offset);
41 }
42
43 abstract Instruction decodeV9AsiLoadStore(int instruction,
44 SPARCV9RegisterIndirectAddress addr,
45 SPARCRegister rd,
46 SPARCV9InstructionFactory factory);
47
48 Instruction decodeMemoryInstruction(int instruction,
49 SPARCRegisterIndirectAddress addr,
50 SPARCRegister rd, SPARCInstructionFactory factory) {
51 SPARCV9RegisterIndirectAddress v9addr = (SPARCV9RegisterIndirectAddress) addr;
52 if (isIBitSet(instruction)) {
53 // indirect asi
54 v9addr.setIndirectAsi(true);
55 } else {
56 // immediate asi
57 int asi = (instruction & ASI_MASK) >>> ASI_START_BIT;
58 v9addr.setAddressSpace(asi);
59 }
60 return decodeV9AsiLoadStore(instruction, v9addr, rd,
61 (SPARCV9InstructionFactory) factory);
62 }
63 }