Mercurial > hg > truffle
comparison graal/com.oracle.max.asmdis/src/com/sun/max/asm/gen/risc/sparc/ControlTransfer.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 |
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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.sparc; | |
24 | |
25 import static com.sun.max.asm.gen.risc.sparc.SPARCFields.*; | |
26 import static com.sun.max.asm.sparc.AnnulBit.*; | |
27 import static com.sun.max.asm.sparc.BranchPredictionBit.*; | |
28 | |
29 import com.sun.max.asm.gen.risc.*; | |
30 import com.sun.max.asm.sparc.*; | |
31 | |
32 /** | |
33 */ | |
34 class ControlTransfer extends SPARCInstructionDescriptionCreator { | |
35 | |
36 private void createBPr(String prefix, Object... objects) { | |
37 for (BPr condition : BPr.SYMBOLIZER) { | |
38 define(prefix + condition.name().toLowerCase(), objects, rcond_27_25(condition)); | |
39 } | |
40 } | |
41 | |
42 private void create_A3() { | |
43 createBPr("br", op(0x0), a, p, bits_28_28(0), bits_24_22(0x3), rs1, d16); | |
44 createBPr("br", op(0x0), a(NO_A), p(PT), bits_28_28(0), bits_24_22(0x3), rs1, d16); | |
45 define("br", op(0x0), rcond_27_25, a, p, bits_28_28(0), bits_24_22(0x3), rs1, d16); | |
46 } | |
47 | |
48 private void createFBfcc(String prefix, Object... objects) { | |
49 for (FBfcc condition : FBfcc.SYMBOLIZER) { | |
50 define(prefix + condition.name().toLowerCase(), objects, fcond_28_25(condition)); | |
51 } | |
52 } | |
53 | |
54 private void create_A4() { | |
55 if (assembly().generatingDeprecatedInstructions()) { | |
56 createFBfcc("fb", op(0x0), a, bits_24_22(0x6), disp22); | |
57 createFBfcc("fb", op(0x0), a(NO_A), bits_24_22(0x6), disp22); | |
58 define("fb", op(0x0), fcond_28_25, a, bits_24_22(0x6), disp22); | |
59 } | |
60 } | |
61 | |
62 private void create_A5() { | |
63 if (assembly().generatingV9Instructions()) { | |
64 createFBfcc("fb", op(0x0), a, p, bits_24_22(0x5), fcc_21_20, disp19); | |
65 createFBfcc("fb", op(0x0), a(NO_A), p(PT), bits_24_22(0x5), fcc_21_20, disp19); | |
66 define("fb", op(0x0), fcond_28_25, a, p, bits_24_22(0x5), fcc_21_20, disp19); | |
67 } | |
68 } | |
69 | |
70 private void createBicc(String prefix, Object... objects) { | |
71 for (Bicc condition : Bicc.SYMBOLIZER) { | |
72 define(prefix + condition.name().toLowerCase(), objects, icond_28_25(condition)); | |
73 } | |
74 } | |
75 | |
76 private void create_A6() { | |
77 if (assembly().generatingDeprecatedInstructions()) { | |
78 createBicc("b", op(0x0), a, bits_24_22(0x2), disp22); | |
79 createBicc("b", op(0x0), a(NO_A), bits_24_22(0x2), disp22); | |
80 define("b", op(0x0), icond_28_25, a, bits_24_22(0x2), disp22); | |
81 } | |
82 } | |
83 | |
84 private void create_A7() { | |
85 if (assembly().generatingV9Instructions()) { | |
86 createBicc("b", op(0x0), a, p, bits_24_22(0x1), cc, disp19); | |
87 createBicc("b", op(0x0), a(NO_A), p(PT), bits_24_22(0x1), cc, disp19); | |
88 define("b", op(0x0), icond_28_25, a, p, bits_24_22(0x1), cc, disp19); | |
89 } | |
90 } | |
91 | |
92 private void create_A8() { | |
93 define("call", op(0x1), disp30); | |
94 } | |
95 | |
96 private void create_A11() { | |
97 define("done", op(0x2), op3(0x3e), res_18_0, fcnc(0)); | |
98 define("retry", op(0x2), op3(0x3e), res_18_0, fcnc(1)); | |
99 } | |
100 | |
101 private void create_A22() { | |
102 define("illtrap", op(0x0), res_29_25, op2(0x0), const22); | |
103 } | |
104 | |
105 private void create_A24() { | |
106 define("jmpl", op(0x2), op3(0x38), rs1, " + ", i(0), res_12_5, rs2, rd); | |
107 define("jmpl", op(0x2), op3(0x38), rs1, " + ", i(1), simm13, rd); | |
108 } | |
109 | |
110 private void create_A45() { | |
111 final Object[] head = {op(0x2), res_29_25, op3(0x39), rs1, " + "}; | |
112 | |
113 // should be called "return", but that's a Java keyword | |
114 define("return_", head, i(0), res_12_5, rs2).setExternalName("return"); | |
115 define("return_", head, i(1), simm13).setExternalName("return"); | |
116 } | |
117 | |
118 private void create_A50() { | |
119 define("sir", op(0x2), rd(15), op3(0x30), bits_18_14(0), i(1), simm13); | |
120 } | |
121 | |
122 private void create_A61() { | |
123 final Object[] head = {op(0x2), res_29_29, op3(0x3a), tcc, rs1, " + "}; | |
124 createBicc("t", head, i(0), res_10_5, rs2); | |
125 createBicc("t", head, i(1), res_10_7, swTrapNumber); | |
126 } | |
127 | |
128 ControlTransfer(RiscTemplateCreator templateCreator) { | |
129 super(templateCreator); | |
130 | |
131 setCurrentArchitectureManualSection("A.3"); | |
132 create_A3(); | |
133 | |
134 setCurrentArchitectureManualSection("A.4"); | |
135 create_A4(); | |
136 | |
137 setCurrentArchitectureManualSection("A.5"); | |
138 create_A5(); | |
139 | |
140 setCurrentArchitectureManualSection("A.6"); | |
141 create_A6(); | |
142 | |
143 setCurrentArchitectureManualSection("A.7"); | |
144 create_A7(); | |
145 | |
146 setCurrentArchitectureManualSection("A.8"); | |
147 create_A8(); | |
148 | |
149 setCurrentArchitectureManualSection("A.11"); | |
150 create_A11(); | |
151 | |
152 setCurrentArchitectureManualSection("A.22"); | |
153 create_A22(); | |
154 | |
155 setCurrentArchitectureManualSection("A.24"); | |
156 create_A24(); | |
157 | |
158 setCurrentArchitectureManualSection("A.45"); | |
159 create_A45(); | |
160 | |
161 setCurrentArchitectureManualSection("A.50"); | |
162 create_A50(); | |
163 | |
164 setCurrentArchitectureManualSection("A.61"); | |
165 create_A61(); | |
166 | |
167 setCurrentArchitectureManualSection(null); | |
168 } | |
169 } |