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annotate src/cpu/x86/vm/bytecodeInterpreter_x86.inline.hpp @ 2447:e863062e521d
7032458: Zero and Shark fixes
Reviewed-by: twisti
Contributed-by: Gary Benson <gbenson@redhat.com>
author | twisti |
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date | Mon, 04 Apr 2011 03:02:00 -0700 |
parents | f95d63e2154a |
children | d3f14809b051 |
rev | line source |
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0 | 1 /* |
1972 | 2 * Copyright (c) 2002, 2010, 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 | |
1972 | 25 #ifndef CPU_X86_VM_BYTECODEINTERPRETER_X86_INLINE_HPP |
26 #define CPU_X86_VM_BYTECODEINTERPRETER_X86_INLINE_HPP | |
27 | |
0 | 28 // Inline interpreter functions for IA32 |
29 | |
30 inline jfloat BytecodeInterpreter::VMfloatAdd(jfloat op1, jfloat op2) { return op1 + op2; } | |
31 inline jfloat BytecodeInterpreter::VMfloatSub(jfloat op1, jfloat op2) { return op1 - op2; } | |
32 inline jfloat BytecodeInterpreter::VMfloatMul(jfloat op1, jfloat op2) { return op1 * op2; } | |
33 inline jfloat BytecodeInterpreter::VMfloatDiv(jfloat op1, jfloat op2) { return op1 / op2; } | |
34 inline jfloat BytecodeInterpreter::VMfloatRem(jfloat op1, jfloat op2) { return fmod(op1, op2); } | |
35 | |
36 inline jfloat BytecodeInterpreter::VMfloatNeg(jfloat op) { return -op; } | |
37 | |
38 inline int32_t BytecodeInterpreter::VMfloatCompare(jfloat op1, jfloat op2, int32_t direction) { | |
39 return ( op1 < op2 ? -1 : | |
40 op1 > op2 ? 1 : | |
41 op1 == op2 ? 0 : | |
42 (direction == -1 || direction == 1) ? direction : 0); | |
43 | |
44 } | |
45 | |
46 inline void BytecodeInterpreter::VMmemCopy64(uint32_t to[2], const uint32_t from[2]) { | |
47 // x86 can do unaligned copies but not 64bits at a time | |
48 to[0] = from[0]; to[1] = from[1]; | |
49 } | |
50 | |
51 // The long operations depend on compiler support for "long long" on x86 | |
52 | |
53 inline jlong BytecodeInterpreter::VMlongAdd(jlong op1, jlong op2) { | |
54 return op1 + op2; | |
55 } | |
56 | |
57 inline jlong BytecodeInterpreter::VMlongAnd(jlong op1, jlong op2) { | |
58 return op1 & op2; | |
59 } | |
60 | |
61 inline jlong BytecodeInterpreter::VMlongDiv(jlong op1, jlong op2) { | |
62 // QQQ what about check and throw... | |
63 return op1 / op2; | |
64 } | |
65 | |
66 inline jlong BytecodeInterpreter::VMlongMul(jlong op1, jlong op2) { | |
67 return op1 * op2; | |
68 } | |
69 | |
70 inline jlong BytecodeInterpreter::VMlongOr(jlong op1, jlong op2) { | |
71 return op1 | op2; | |
72 } | |
73 | |
74 inline jlong BytecodeInterpreter::VMlongSub(jlong op1, jlong op2) { | |
75 return op1 - op2; | |
76 } | |
77 | |
78 inline jlong BytecodeInterpreter::VMlongXor(jlong op1, jlong op2) { | |
79 return op1 ^ op2; | |
80 } | |
81 | |
82 inline jlong BytecodeInterpreter::VMlongRem(jlong op1, jlong op2) { | |
83 return op1 % op2; | |
84 } | |
85 | |
86 inline jlong BytecodeInterpreter::VMlongUshr(jlong op1, jint op2) { | |
87 // CVM did this 0x3f mask, is the really needed??? QQQ | |
88 return ((unsigned long long) op1) >> (op2 & 0x3F); | |
89 } | |
90 | |
91 inline jlong BytecodeInterpreter::VMlongShr(jlong op1, jint op2) { | |
92 return op1 >> (op2 & 0x3F); | |
93 } | |
94 | |
95 inline jlong BytecodeInterpreter::VMlongShl(jlong op1, jint op2) { | |
96 return op1 << (op2 & 0x3F); | |
97 } | |
98 | |
99 inline jlong BytecodeInterpreter::VMlongNeg(jlong op) { | |
100 return -op; | |
101 } | |
102 | |
103 inline jlong BytecodeInterpreter::VMlongNot(jlong op) { | |
104 return ~op; | |
105 } | |
106 | |
107 inline int32_t BytecodeInterpreter::VMlongLtz(jlong op) { | |
108 return (op <= 0); | |
109 } | |
110 | |
111 inline int32_t BytecodeInterpreter::VMlongGez(jlong op) { | |
112 return (op >= 0); | |
113 } | |
114 | |
115 inline int32_t BytecodeInterpreter::VMlongEqz(jlong op) { | |
116 return (op == 0); | |
117 } | |
118 | |
119 inline int32_t BytecodeInterpreter::VMlongEq(jlong op1, jlong op2) { | |
120 return (op1 == op2); | |
121 } | |
122 | |
123 inline int32_t BytecodeInterpreter::VMlongNe(jlong op1, jlong op2) { | |
124 return (op1 != op2); | |
125 } | |
126 | |
127 inline int32_t BytecodeInterpreter::VMlongGe(jlong op1, jlong op2) { | |
128 return (op1 >= op2); | |
129 } | |
130 | |
131 inline int32_t BytecodeInterpreter::VMlongLe(jlong op1, jlong op2) { | |
132 return (op1 <= op2); | |
133 } | |
134 | |
135 inline int32_t BytecodeInterpreter::VMlongLt(jlong op1, jlong op2) { | |
136 return (op1 < op2); | |
137 } | |
138 | |
139 inline int32_t BytecodeInterpreter::VMlongGt(jlong op1, jlong op2) { | |
140 return (op1 > op2); | |
141 } | |
142 | |
143 inline int32_t BytecodeInterpreter::VMlongCompare(jlong op1, jlong op2) { | |
144 return (VMlongLt(op1, op2) ? -1 : VMlongGt(op1, op2) ? 1 : 0); | |
145 } | |
146 | |
147 // Long conversions | |
148 | |
149 inline jdouble BytecodeInterpreter::VMlong2Double(jlong val) { | |
150 return (jdouble) val; | |
151 } | |
152 | |
153 inline jfloat BytecodeInterpreter::VMlong2Float(jlong val) { | |
154 return (jfloat) val; | |
155 } | |
156 | |
157 inline jint BytecodeInterpreter::VMlong2Int(jlong val) { | |
158 return (jint) val; | |
159 } | |
160 | |
161 // Double Arithmetic | |
162 | |
163 inline jdouble BytecodeInterpreter::VMdoubleAdd(jdouble op1, jdouble op2) { | |
164 return op1 + op2; | |
165 } | |
166 | |
167 inline jdouble BytecodeInterpreter::VMdoubleDiv(jdouble op1, jdouble op2) { | |
168 // Divide by zero... QQQ | |
169 return op1 / op2; | |
170 } | |
171 | |
172 inline jdouble BytecodeInterpreter::VMdoubleMul(jdouble op1, jdouble op2) { | |
173 return op1 * op2; | |
174 } | |
175 | |
176 inline jdouble BytecodeInterpreter::VMdoubleNeg(jdouble op) { | |
177 return -op; | |
178 } | |
179 | |
180 inline jdouble BytecodeInterpreter::VMdoubleRem(jdouble op1, jdouble op2) { | |
181 return fmod(op1, op2); | |
182 } | |
183 | |
184 inline jdouble BytecodeInterpreter::VMdoubleSub(jdouble op1, jdouble op2) { | |
185 return op1 - op2; | |
186 } | |
187 | |
188 inline int32_t BytecodeInterpreter::VMdoubleCompare(jdouble op1, jdouble op2, int32_t direction) { | |
189 return ( op1 < op2 ? -1 : | |
190 op1 > op2 ? 1 : | |
191 op1 == op2 ? 0 : | |
192 (direction == -1 || direction == 1) ? direction : 0); | |
193 } | |
194 | |
195 // Double Conversions | |
196 | |
197 inline jfloat BytecodeInterpreter::VMdouble2Float(jdouble val) { | |
198 return (jfloat) val; | |
199 } | |
200 | |
201 // Float Conversions | |
202 | |
203 inline jdouble BytecodeInterpreter::VMfloat2Double(jfloat op) { | |
204 return (jdouble) op; | |
205 } | |
206 | |
207 // Integer Arithmetic | |
208 | |
209 inline jint BytecodeInterpreter::VMintAdd(jint op1, jint op2) { | |
210 return op1 + op2; | |
211 } | |
212 | |
213 inline jint BytecodeInterpreter::VMintAnd(jint op1, jint op2) { | |
214 return op1 & op2; | |
215 } | |
216 | |
217 inline jint BytecodeInterpreter::VMintDiv(jint op1, jint op2) { | |
218 /* it's possible we could catch this special case implicitly */ | |
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219 if ((juint)op1 == 0x80000000 && op2 == -1) return op1; |
0 | 220 else return op1 / op2; |
221 } | |
222 | |
223 inline jint BytecodeInterpreter::VMintMul(jint op1, jint op2) { | |
224 return op1 * op2; | |
225 } | |
226 | |
227 inline jint BytecodeInterpreter::VMintNeg(jint op) { | |
228 return -op; | |
229 } | |
230 | |
231 inline jint BytecodeInterpreter::VMintOr(jint op1, jint op2) { | |
232 return op1 | op2; | |
233 } | |
234 | |
235 inline jint BytecodeInterpreter::VMintRem(jint op1, jint op2) { | |
236 /* it's possible we could catch this special case implicitly */ | |
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237 if ((juint)op1 == 0x80000000 && op2 == -1) return 0; |
0 | 238 else return op1 % op2; |
239 } | |
240 | |
241 inline jint BytecodeInterpreter::VMintShl(jint op1, jint op2) { | |
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242 return op1 << op2; |
0 | 243 } |
244 | |
245 inline jint BytecodeInterpreter::VMintShr(jint op1, jint op2) { | |
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246 return op1 >> (op2 & 0x1f); |
0 | 247 } |
248 | |
249 inline jint BytecodeInterpreter::VMintSub(jint op1, jint op2) { | |
250 return op1 - op2; | |
251 } | |
252 | |
253 inline jint BytecodeInterpreter::VMintUshr(jint op1, jint op2) { | |
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254 return ((juint) op1) >> (op2 & 0x1f); |
0 | 255 } |
256 | |
257 inline jint BytecodeInterpreter::VMintXor(jint op1, jint op2) { | |
258 return op1 ^ op2; | |
259 } | |
260 | |
261 inline jdouble BytecodeInterpreter::VMint2Double(jint val) { | |
262 return (jdouble) val; | |
263 } | |
264 | |
265 inline jfloat BytecodeInterpreter::VMint2Float(jint val) { | |
266 return (jfloat) val; | |
267 } | |
268 | |
269 inline jlong BytecodeInterpreter::VMint2Long(jint val) { | |
270 return (jlong) val; | |
271 } | |
272 | |
273 inline jchar BytecodeInterpreter::VMint2Char(jint val) { | |
274 return (jchar) val; | |
275 } | |
276 | |
277 inline jshort BytecodeInterpreter::VMint2Short(jint val) { | |
278 return (jshort) val; | |
279 } | |
280 | |
281 inline jbyte BytecodeInterpreter::VMint2Byte(jint val) { | |
282 return (jbyte) val; | |
283 } | |
1972 | 284 |
285 #endif // CPU_X86_VM_BYTECODEINTERPRETER_X86_INLINE_HPP |