1 /* |
|
2 * Copyright (c) 2002, 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 */ |
|
24 |
|
25 package sun.jvm.hotspot.asm.sparc; |
|
26 |
|
27 import sun.jvm.hotspot.asm.*; |
|
28 |
|
29 abstract class Format3ADecoder extends InstructionDecoder |
|
30 implements /* imports */ RTLOperations { |
|
31 final int op3; |
|
32 final String name; |
|
33 final int rtlOperation; |
|
34 |
|
35 Format3ADecoder(int op3, String name, int rtlOperation) { |
|
36 this.op3 = op3; |
|
37 this.name = name; |
|
38 this.rtlOperation = rtlOperation; |
|
39 } |
|
40 |
|
41 Instruction decode(int instruction, SPARCInstructionFactory factory) { |
|
42 SPARCRegister rs1 = SPARCRegisters.getRegister(getSourceRegister1(instruction)); |
|
43 SPARCRegister rd = SPARCRegisters.getRegister(getDestinationRegister(instruction)); |
|
44 ImmediateOrRegister operand2 = getOperand2(instruction); |
|
45 return decodeFormat3AInstruction(instruction, rs1, operand2, rd, factory); |
|
46 } |
|
47 |
|
48 abstract Instruction decodeFormat3AInstruction(int instruction, |
|
49 SPARCRegister rs1, |
|
50 ImmediateOrRegister operand2, |
|
51 SPARCRegister rd, |
|
52 SPARCInstructionFactory factory); |
|
53 } |
|