Mercurial > hg > truffle
comparison graal/com.oracle.max.asmdis/src/com/sun/max/asm/gen/risc/RiscAssembly.java @ 3733:e233f5660da4
Added Java files from Maxine project.
author | Thomas Wuerthinger <thomas.wuerthinger@oracle.com> |
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date | Sat, 17 Dec 2011 19:59:18 +0100 |
parents | |
children | bc8527f3071c |
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3732:3e2e8b8abdaf | 3733:e233f5660da4 |
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1 /* | |
2 * Copyright (c) 2007, 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.max.asm.gen.risc; | |
24 | |
25 import java.io.*; | |
26 import java.util.*; | |
27 | |
28 import com.sun.max.asm.dis.risc.*; | |
29 import com.sun.max.asm.gen.*; | |
30 import com.sun.max.collect.*; | |
31 import com.sun.max.lang.*; | |
32 | |
33 /** | |
34 */ | |
35 public abstract class RiscAssembly extends Assembly<RiscTemplate> { | |
36 | |
37 protected RiscAssembly(ISA isa, Class<RiscTemplate> templateType) { | |
38 super(isa, templateType); | |
39 } | |
40 | |
41 private List<SpecificityGroup> specificityGroups; | |
42 | |
43 private void initialize() { | |
44 final IntHashMap<IntHashMap<OpcodeMaskGroup>> specificityTable = new IntHashMap<IntHashMap<OpcodeMaskGroup>>(); | |
45 for (RiscTemplate template : templates()) { | |
46 if (!template.isRedundant()) { | |
47 IntHashMap<OpcodeMaskGroup> opcodeMaskGroups = specificityTable.get(template.specificity()); | |
48 if (opcodeMaskGroups == null) { | |
49 opcodeMaskGroups = new IntHashMap<OpcodeMaskGroup>(); | |
50 specificityTable.put(template.specificity(), opcodeMaskGroups); | |
51 } | |
52 final int opcodeMask = template.opcodeMask(); | |
53 OpcodeMaskGroup opcodeMaskGroup = opcodeMaskGroups.get(opcodeMask); | |
54 if (opcodeMaskGroup == null) { | |
55 opcodeMaskGroup = new OpcodeMaskGroup(opcodeMask); | |
56 opcodeMaskGroups.put(opcodeMask, opcodeMaskGroup); | |
57 } | |
58 opcodeMaskGroup.add(template); | |
59 } | |
60 } | |
61 specificityGroups = new LinkedList<SpecificityGroup>(); | |
62 for (int specificity = 33; specificity >= 0; specificity--) { | |
63 final IntHashMap<OpcodeMaskGroup> opcodeGroupTable = specificityTable.get(specificity); | |
64 if (opcodeGroupTable != null) { | |
65 final List<OpcodeMaskGroup> opcodeMaskGroups = opcodeGroupTable.toList(); | |
66 final SpecificityGroup specificityGroup = new SpecificityGroup(specificity, opcodeMaskGroups); | |
67 specificityGroups.add(specificityGroup); | |
68 } | |
69 } | |
70 } | |
71 | |
72 public void printSpecificityGroups(PrintStream out) { | |
73 for (SpecificityGroup specificityGroup : specificityGroups) { | |
74 out.println("Specificity group " + specificityGroup.specificity()); | |
75 for (OpcodeMaskGroup opcodeMaskGroup : specificityGroup.opcodeMaskGroups()) { | |
76 out.println(" Opcode mask group " + Integer.toBinaryString(opcodeMaskGroup.mask())); | |
77 for (RiscTemplate template : opcodeMaskGroup.templates()) { | |
78 out.println(" " + template); | |
79 } | |
80 } | |
81 } | |
82 } | |
83 | |
84 public List<SpecificityGroup> specificityGroups() { | |
85 if (specificityGroups == null) { | |
86 initialize(); | |
87 } | |
88 return specificityGroups; | |
89 } | |
90 | |
91 } |