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annotate src/cpu/x86/vm/bytecodeInterpreter_x86.inline.hpp @ 1627:c5f1ea9e15e8
Merge
author | coleenp |
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date | Mon, 28 Jun 2010 12:03:05 -0400 |
parents | c18cbe5936b8 |
children | 126ea7725993 |
rev | line source |
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0 | 1 /* |
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2 * Copyright (c) 2002, 2009, Oracle and/or its affiliates. All rights reserved. |
0 | 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 * | |
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
0 | 22 * |
23 */ | |
24 | |
25 // Inline interpreter functions for IA32 | |
26 | |
27 inline jfloat BytecodeInterpreter::VMfloatAdd(jfloat op1, jfloat op2) { return op1 + op2; } | |
28 inline jfloat BytecodeInterpreter::VMfloatSub(jfloat op1, jfloat op2) { return op1 - op2; } | |
29 inline jfloat BytecodeInterpreter::VMfloatMul(jfloat op1, jfloat op2) { return op1 * op2; } | |
30 inline jfloat BytecodeInterpreter::VMfloatDiv(jfloat op1, jfloat op2) { return op1 / op2; } | |
31 inline jfloat BytecodeInterpreter::VMfloatRem(jfloat op1, jfloat op2) { return fmod(op1, op2); } | |
32 | |
33 inline jfloat BytecodeInterpreter::VMfloatNeg(jfloat op) { return -op; } | |
34 | |
35 inline int32_t BytecodeInterpreter::VMfloatCompare(jfloat op1, jfloat op2, int32_t direction) { | |
36 return ( op1 < op2 ? -1 : | |
37 op1 > op2 ? 1 : | |
38 op1 == op2 ? 0 : | |
39 (direction == -1 || direction == 1) ? direction : 0); | |
40 | |
41 } | |
42 | |
43 inline void BytecodeInterpreter::VMmemCopy64(uint32_t to[2], const uint32_t from[2]) { | |
44 // x86 can do unaligned copies but not 64bits at a time | |
45 to[0] = from[0]; to[1] = from[1]; | |
46 } | |
47 | |
48 // The long operations depend on compiler support for "long long" on x86 | |
49 | |
50 inline jlong BytecodeInterpreter::VMlongAdd(jlong op1, jlong op2) { | |
51 return op1 + op2; | |
52 } | |
53 | |
54 inline jlong BytecodeInterpreter::VMlongAnd(jlong op1, jlong op2) { | |
55 return op1 & op2; | |
56 } | |
57 | |
58 inline jlong BytecodeInterpreter::VMlongDiv(jlong op1, jlong op2) { | |
59 // QQQ what about check and throw... | |
60 return op1 / op2; | |
61 } | |
62 | |
63 inline jlong BytecodeInterpreter::VMlongMul(jlong op1, jlong op2) { | |
64 return op1 * op2; | |
65 } | |
66 | |
67 inline jlong BytecodeInterpreter::VMlongOr(jlong op1, jlong op2) { | |
68 return op1 | op2; | |
69 } | |
70 | |
71 inline jlong BytecodeInterpreter::VMlongSub(jlong op1, jlong op2) { | |
72 return op1 - op2; | |
73 } | |
74 | |
75 inline jlong BytecodeInterpreter::VMlongXor(jlong op1, jlong op2) { | |
76 return op1 ^ op2; | |
77 } | |
78 | |
79 inline jlong BytecodeInterpreter::VMlongRem(jlong op1, jlong op2) { | |
80 return op1 % op2; | |
81 } | |
82 | |
83 inline jlong BytecodeInterpreter::VMlongUshr(jlong op1, jint op2) { | |
84 // CVM did this 0x3f mask, is the really needed??? QQQ | |
85 return ((unsigned long long) op1) >> (op2 & 0x3F); | |
86 } | |
87 | |
88 inline jlong BytecodeInterpreter::VMlongShr(jlong op1, jint op2) { | |
89 return op1 >> (op2 & 0x3F); | |
90 } | |
91 | |
92 inline jlong BytecodeInterpreter::VMlongShl(jlong op1, jint op2) { | |
93 return op1 << (op2 & 0x3F); | |
94 } | |
95 | |
96 inline jlong BytecodeInterpreter::VMlongNeg(jlong op) { | |
97 return -op; | |
98 } | |
99 | |
100 inline jlong BytecodeInterpreter::VMlongNot(jlong op) { | |
101 return ~op; | |
102 } | |
103 | |
104 inline int32_t BytecodeInterpreter::VMlongLtz(jlong op) { | |
105 return (op <= 0); | |
106 } | |
107 | |
108 inline int32_t BytecodeInterpreter::VMlongGez(jlong op) { | |
109 return (op >= 0); | |
110 } | |
111 | |
112 inline int32_t BytecodeInterpreter::VMlongEqz(jlong op) { | |
113 return (op == 0); | |
114 } | |
115 | |
116 inline int32_t BytecodeInterpreter::VMlongEq(jlong op1, jlong op2) { | |
117 return (op1 == op2); | |
118 } | |
119 | |
120 inline int32_t BytecodeInterpreter::VMlongNe(jlong op1, jlong op2) { | |
121 return (op1 != op2); | |
122 } | |
123 | |
124 inline int32_t BytecodeInterpreter::VMlongGe(jlong op1, jlong op2) { | |
125 return (op1 >= op2); | |
126 } | |
127 | |
128 inline int32_t BytecodeInterpreter::VMlongLe(jlong op1, jlong op2) { | |
129 return (op1 <= op2); | |
130 } | |
131 | |
132 inline int32_t BytecodeInterpreter::VMlongLt(jlong op1, jlong op2) { | |
133 return (op1 < op2); | |
134 } | |
135 | |
136 inline int32_t BytecodeInterpreter::VMlongGt(jlong op1, jlong op2) { | |
137 return (op1 > op2); | |
138 } | |
139 | |
140 inline int32_t BytecodeInterpreter::VMlongCompare(jlong op1, jlong op2) { | |
141 return (VMlongLt(op1, op2) ? -1 : VMlongGt(op1, op2) ? 1 : 0); | |
142 } | |
143 | |
144 // Long conversions | |
145 | |
146 inline jdouble BytecodeInterpreter::VMlong2Double(jlong val) { | |
147 return (jdouble) val; | |
148 } | |
149 | |
150 inline jfloat BytecodeInterpreter::VMlong2Float(jlong val) { | |
151 return (jfloat) val; | |
152 } | |
153 | |
154 inline jint BytecodeInterpreter::VMlong2Int(jlong val) { | |
155 return (jint) val; | |
156 } | |
157 | |
158 // Double Arithmetic | |
159 | |
160 inline jdouble BytecodeInterpreter::VMdoubleAdd(jdouble op1, jdouble op2) { | |
161 return op1 + op2; | |
162 } | |
163 | |
164 inline jdouble BytecodeInterpreter::VMdoubleDiv(jdouble op1, jdouble op2) { | |
165 // Divide by zero... QQQ | |
166 return op1 / op2; | |
167 } | |
168 | |
169 inline jdouble BytecodeInterpreter::VMdoubleMul(jdouble op1, jdouble op2) { | |
170 return op1 * op2; | |
171 } | |
172 | |
173 inline jdouble BytecodeInterpreter::VMdoubleNeg(jdouble op) { | |
174 return -op; | |
175 } | |
176 | |
177 inline jdouble BytecodeInterpreter::VMdoubleRem(jdouble op1, jdouble op2) { | |
178 return fmod(op1, op2); | |
179 } | |
180 | |
181 inline jdouble BytecodeInterpreter::VMdoubleSub(jdouble op1, jdouble op2) { | |
182 return op1 - op2; | |
183 } | |
184 | |
185 inline int32_t BytecodeInterpreter::VMdoubleCompare(jdouble op1, jdouble op2, int32_t direction) { | |
186 return ( op1 < op2 ? -1 : | |
187 op1 > op2 ? 1 : | |
188 op1 == op2 ? 0 : | |
189 (direction == -1 || direction == 1) ? direction : 0); | |
190 } | |
191 | |
192 // Double Conversions | |
193 | |
194 inline jfloat BytecodeInterpreter::VMdouble2Float(jdouble val) { | |
195 return (jfloat) val; | |
196 } | |
197 | |
198 // Float Conversions | |
199 | |
200 inline jdouble BytecodeInterpreter::VMfloat2Double(jfloat op) { | |
201 return (jdouble) op; | |
202 } | |
203 | |
204 // Integer Arithmetic | |
205 | |
206 inline jint BytecodeInterpreter::VMintAdd(jint op1, jint op2) { | |
207 return op1 + op2; | |
208 } | |
209 | |
210 inline jint BytecodeInterpreter::VMintAnd(jint op1, jint op2) { | |
211 return op1 & op2; | |
212 } | |
213 | |
214 inline jint BytecodeInterpreter::VMintDiv(jint op1, jint op2) { | |
215 /* it's possible we could catch this special case implicitly */ | |
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216 if ((juint)op1 == 0x80000000 && op2 == -1) return op1; |
0 | 217 else return op1 / op2; |
218 } | |
219 | |
220 inline jint BytecodeInterpreter::VMintMul(jint op1, jint op2) { | |
221 return op1 * op2; | |
222 } | |
223 | |
224 inline jint BytecodeInterpreter::VMintNeg(jint op) { | |
225 return -op; | |
226 } | |
227 | |
228 inline jint BytecodeInterpreter::VMintOr(jint op1, jint op2) { | |
229 return op1 | op2; | |
230 } | |
231 | |
232 inline jint BytecodeInterpreter::VMintRem(jint op1, jint op2) { | |
233 /* it's possible we could catch this special case implicitly */ | |
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234 if ((juint)op1 == 0x80000000 && op2 == -1) return 0; |
0 | 235 else return op1 % op2; |
236 } | |
237 | |
238 inline jint BytecodeInterpreter::VMintShl(jint op1, jint op2) { | |
239 return op1 << op2; | |
240 } | |
241 | |
242 inline jint BytecodeInterpreter::VMintShr(jint op1, jint op2) { | |
243 return op1 >> op2; // QQ op2 & 0x1f?? | |
244 } | |
245 | |
246 inline jint BytecodeInterpreter::VMintSub(jint op1, jint op2) { | |
247 return op1 - op2; | |
248 } | |
249 | |
250 inline jint BytecodeInterpreter::VMintUshr(jint op1, jint op2) { | |
251 return ((juint) op1) >> op2; // QQ op2 & 0x1f?? | |
252 } | |
253 | |
254 inline jint BytecodeInterpreter::VMintXor(jint op1, jint op2) { | |
255 return op1 ^ op2; | |
256 } | |
257 | |
258 inline jdouble BytecodeInterpreter::VMint2Double(jint val) { | |
259 return (jdouble) val; | |
260 } | |
261 | |
262 inline jfloat BytecodeInterpreter::VMint2Float(jint val) { | |
263 return (jfloat) val; | |
264 } | |
265 | |
266 inline jlong BytecodeInterpreter::VMint2Long(jint val) { | |
267 return (jlong) val; | |
268 } | |
269 | |
270 inline jchar BytecodeInterpreter::VMint2Char(jint val) { | |
271 return (jchar) val; | |
272 } | |
273 | |
274 inline jshort BytecodeInterpreter::VMint2Short(jint val) { | |
275 return (jshort) val; | |
276 } | |
277 | |
278 inline jbyte BytecodeInterpreter::VMint2Byte(jint val) { | |
279 return (jbyte) val; | |
280 } |