Mercurial > hg > truffle
annotate src/share/vm/interpreter/bytecodes.hpp @ 624:337400e7a5dd
6797305: Add LoadUB and LoadUI opcode class
Summary: Add a LoadUB (unsigned byte) and LoadUI (unsigned int) opcode class so we have these load optimizations in the first place and do not need to handle them in the matcher.
Reviewed-by: never, kvn
author | twisti |
---|---|
date | Mon, 09 Mar 2009 03:17:11 -0700 |
parents | ad8c8ca4ab0f |
children | be93aad57795 |
rev | line source |
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0 | 1 /* |
470 | 2 * Copyright 1997-2008 Sun Microsystems, Inc. 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 * | |
19 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, | |
20 * CA 95054 USA or visit www.sun.com if you need additional information or | |
21 * have any questions. | |
22 * | |
23 */ | |
24 | |
25 // Bytecodes specifies all bytecodes used in the VM and | |
26 // provides utility functions to get bytecode attributes. | |
27 | |
28 // NOTE: replicated in SA in vm/agent/sun/jvm/hotspot/interpreter/Bytecodes.java | |
29 class Bytecodes: AllStatic { | |
30 public: | |
31 enum Code { | |
32 _illegal = -1, | |
33 | |
34 // Java bytecodes | |
35 _nop = 0, // 0x00 | |
36 _aconst_null = 1, // 0x01 | |
37 _iconst_m1 = 2, // 0x02 | |
38 _iconst_0 = 3, // 0x03 | |
39 _iconst_1 = 4, // 0x04 | |
40 _iconst_2 = 5, // 0x05 | |
41 _iconst_3 = 6, // 0x06 | |
42 _iconst_4 = 7, // 0x07 | |
43 _iconst_5 = 8, // 0x08 | |
44 _lconst_0 = 9, // 0x09 | |
45 _lconst_1 = 10, // 0x0a | |
46 _fconst_0 = 11, // 0x0b | |
47 _fconst_1 = 12, // 0x0c | |
48 _fconst_2 = 13, // 0x0d | |
49 _dconst_0 = 14, // 0x0e | |
50 _dconst_1 = 15, // 0x0f | |
51 _bipush = 16, // 0x10 | |
52 _sipush = 17, // 0x11 | |
53 _ldc = 18, // 0x12 | |
54 _ldc_w = 19, // 0x13 | |
55 _ldc2_w = 20, // 0x14 | |
56 _iload = 21, // 0x15 | |
57 _lload = 22, // 0x16 | |
58 _fload = 23, // 0x17 | |
59 _dload = 24, // 0x18 | |
60 _aload = 25, // 0x19 | |
61 _iload_0 = 26, // 0x1a | |
62 _iload_1 = 27, // 0x1b | |
63 _iload_2 = 28, // 0x1c | |
64 _iload_3 = 29, // 0x1d | |
65 _lload_0 = 30, // 0x1e | |
66 _lload_1 = 31, // 0x1f | |
67 _lload_2 = 32, // 0x20 | |
68 _lload_3 = 33, // 0x21 | |
69 _fload_0 = 34, // 0x22 | |
70 _fload_1 = 35, // 0x23 | |
71 _fload_2 = 36, // 0x24 | |
72 _fload_3 = 37, // 0x25 | |
73 _dload_0 = 38, // 0x26 | |
74 _dload_1 = 39, // 0x27 | |
75 _dload_2 = 40, // 0x28 | |
76 _dload_3 = 41, // 0x29 | |
77 _aload_0 = 42, // 0x2a | |
78 _aload_1 = 43, // 0x2b | |
79 _aload_2 = 44, // 0x2c | |
80 _aload_3 = 45, // 0x2d | |
81 _iaload = 46, // 0x2e | |
82 _laload = 47, // 0x2f | |
83 _faload = 48, // 0x30 | |
84 _daload = 49, // 0x31 | |
85 _aaload = 50, // 0x32 | |
86 _baload = 51, // 0x33 | |
87 _caload = 52, // 0x34 | |
88 _saload = 53, // 0x35 | |
89 _istore = 54, // 0x36 | |
90 _lstore = 55, // 0x37 | |
91 _fstore = 56, // 0x38 | |
92 _dstore = 57, // 0x39 | |
93 _astore = 58, // 0x3a | |
94 _istore_0 = 59, // 0x3b | |
95 _istore_1 = 60, // 0x3c | |
96 _istore_2 = 61, // 0x3d | |
97 _istore_3 = 62, // 0x3e | |
98 _lstore_0 = 63, // 0x3f | |
99 _lstore_1 = 64, // 0x40 | |
100 _lstore_2 = 65, // 0x41 | |
101 _lstore_3 = 66, // 0x42 | |
102 _fstore_0 = 67, // 0x43 | |
103 _fstore_1 = 68, // 0x44 | |
104 _fstore_2 = 69, // 0x45 | |
105 _fstore_3 = 70, // 0x46 | |
106 _dstore_0 = 71, // 0x47 | |
107 _dstore_1 = 72, // 0x48 | |
108 _dstore_2 = 73, // 0x49 | |
109 _dstore_3 = 74, // 0x4a | |
110 _astore_0 = 75, // 0x4b | |
111 _astore_1 = 76, // 0x4c | |
112 _astore_2 = 77, // 0x4d | |
113 _astore_3 = 78, // 0x4e | |
114 _iastore = 79, // 0x4f | |
115 _lastore = 80, // 0x50 | |
116 _fastore = 81, // 0x51 | |
117 _dastore = 82, // 0x52 | |
118 _aastore = 83, // 0x53 | |
119 _bastore = 84, // 0x54 | |
120 _castore = 85, // 0x55 | |
121 _sastore = 86, // 0x56 | |
122 _pop = 87, // 0x57 | |
123 _pop2 = 88, // 0x58 | |
124 _dup = 89, // 0x59 | |
125 _dup_x1 = 90, // 0x5a | |
126 _dup_x2 = 91, // 0x5b | |
127 _dup2 = 92, // 0x5c | |
128 _dup2_x1 = 93, // 0x5d | |
129 _dup2_x2 = 94, // 0x5e | |
130 _swap = 95, // 0x5f | |
131 _iadd = 96, // 0x60 | |
132 _ladd = 97, // 0x61 | |
133 _fadd = 98, // 0x62 | |
134 _dadd = 99, // 0x63 | |
135 _isub = 100, // 0x64 | |
136 _lsub = 101, // 0x65 | |
137 _fsub = 102, // 0x66 | |
138 _dsub = 103, // 0x67 | |
139 _imul = 104, // 0x68 | |
140 _lmul = 105, // 0x69 | |
141 _fmul = 106, // 0x6a | |
142 _dmul = 107, // 0x6b | |
143 _idiv = 108, // 0x6c | |
144 _ldiv = 109, // 0x6d | |
145 _fdiv = 110, // 0x6e | |
146 _ddiv = 111, // 0x6f | |
147 _irem = 112, // 0x70 | |
148 _lrem = 113, // 0x71 | |
149 _frem = 114, // 0x72 | |
150 _drem = 115, // 0x73 | |
151 _ineg = 116, // 0x74 | |
152 _lneg = 117, // 0x75 | |
153 _fneg = 118, // 0x76 | |
154 _dneg = 119, // 0x77 | |
155 _ishl = 120, // 0x78 | |
156 _lshl = 121, // 0x79 | |
157 _ishr = 122, // 0x7a | |
158 _lshr = 123, // 0x7b | |
159 _iushr = 124, // 0x7c | |
160 _lushr = 125, // 0x7d | |
161 _iand = 126, // 0x7e | |
162 _land = 127, // 0x7f | |
163 _ior = 128, // 0x80 | |
164 _lor = 129, // 0x81 | |
165 _ixor = 130, // 0x82 | |
166 _lxor = 131, // 0x83 | |
167 _iinc = 132, // 0x84 | |
168 _i2l = 133, // 0x85 | |
169 _i2f = 134, // 0x86 | |
170 _i2d = 135, // 0x87 | |
171 _l2i = 136, // 0x88 | |
172 _l2f = 137, // 0x89 | |
173 _l2d = 138, // 0x8a | |
174 _f2i = 139, // 0x8b | |
175 _f2l = 140, // 0x8c | |
176 _f2d = 141, // 0x8d | |
177 _d2i = 142, // 0x8e | |
178 _d2l = 143, // 0x8f | |
179 _d2f = 144, // 0x90 | |
180 _i2b = 145, // 0x91 | |
181 _i2c = 146, // 0x92 | |
182 _i2s = 147, // 0x93 | |
183 _lcmp = 148, // 0x94 | |
184 _fcmpl = 149, // 0x95 | |
185 _fcmpg = 150, // 0x96 | |
186 _dcmpl = 151, // 0x97 | |
187 _dcmpg = 152, // 0x98 | |
188 _ifeq = 153, // 0x99 | |
189 _ifne = 154, // 0x9a | |
190 _iflt = 155, // 0x9b | |
191 _ifge = 156, // 0x9c | |
192 _ifgt = 157, // 0x9d | |
193 _ifle = 158, // 0x9e | |
194 _if_icmpeq = 159, // 0x9f | |
195 _if_icmpne = 160, // 0xa0 | |
196 _if_icmplt = 161, // 0xa1 | |
197 _if_icmpge = 162, // 0xa2 | |
198 _if_icmpgt = 163, // 0xa3 | |
199 _if_icmple = 164, // 0xa4 | |
200 _if_acmpeq = 165, // 0xa5 | |
201 _if_acmpne = 166, // 0xa6 | |
202 _goto = 167, // 0xa7 | |
203 _jsr = 168, // 0xa8 | |
204 _ret = 169, // 0xa9 | |
205 _tableswitch = 170, // 0xaa | |
206 _lookupswitch = 171, // 0xab | |
207 _ireturn = 172, // 0xac | |
208 _lreturn = 173, // 0xad | |
209 _freturn = 174, // 0xae | |
210 _dreturn = 175, // 0xaf | |
211 _areturn = 176, // 0xb0 | |
212 _return = 177, // 0xb1 | |
213 _getstatic = 178, // 0xb2 | |
214 _putstatic = 179, // 0xb3 | |
215 _getfield = 180, // 0xb4 | |
216 _putfield = 181, // 0xb5 | |
217 _invokevirtual = 182, // 0xb6 | |
218 _invokespecial = 183, // 0xb7 | |
219 _invokestatic = 184, // 0xb8 | |
220 _invokeinterface = 185, // 0xb9 | |
221 _xxxunusedxxx = 186, // 0xba | |
222 _new = 187, // 0xbb | |
223 _newarray = 188, // 0xbc | |
224 _anewarray = 189, // 0xbd | |
225 _arraylength = 190, // 0xbe | |
226 _athrow = 191, // 0xbf | |
227 _checkcast = 192, // 0xc0 | |
228 _instanceof = 193, // 0xc1 | |
229 _monitorenter = 194, // 0xc2 | |
230 _monitorexit = 195, // 0xc3 | |
231 _wide = 196, // 0xc4 | |
232 _multianewarray = 197, // 0xc5 | |
233 _ifnull = 198, // 0xc6 | |
234 _ifnonnull = 199, // 0xc7 | |
235 _goto_w = 200, // 0xc8 | |
236 _jsr_w = 201, // 0xc9 | |
237 _breakpoint = 202, // 0xca | |
238 | |
239 number_of_java_codes, | |
240 | |
241 // JVM bytecodes | |
242 _fast_agetfield = number_of_java_codes, | |
243 _fast_bgetfield , | |
244 _fast_cgetfield , | |
245 _fast_dgetfield , | |
246 _fast_fgetfield , | |
247 _fast_igetfield , | |
248 _fast_lgetfield , | |
249 _fast_sgetfield , | |
250 | |
251 _fast_aputfield , | |
252 _fast_bputfield , | |
253 _fast_cputfield , | |
254 _fast_dputfield , | |
255 _fast_fputfield , | |
256 _fast_iputfield , | |
257 _fast_lputfield , | |
258 _fast_sputfield , | |
259 | |
260 _fast_aload_0 , | |
261 _fast_iaccess_0 , | |
262 _fast_aaccess_0 , | |
263 _fast_faccess_0 , | |
264 | |
265 _fast_iload , | |
266 _fast_iload2 , | |
267 _fast_icaload , | |
268 | |
269 _fast_invokevfinal , | |
270 _fast_linearswitch , | |
271 _fast_binaryswitch , | |
272 | |
273 _return_register_finalizer , | |
274 | |
275 _shouldnotreachhere, // For debugging | |
276 | |
277 // Platform specific JVM bytecodes | |
278 #include "incls/_bytecodes_pd.hpp.incl" | |
279 | |
280 number_of_codes | |
281 }; | |
282 | |
283 private: | |
284 static bool _is_initialized; | |
285 static const char* _name [number_of_codes]; | |
286 static const char* _format [number_of_codes]; | |
287 static const char* _wide_format [number_of_codes]; | |
288 static BasicType _result_type [number_of_codes]; | |
289 static s_char _depth [number_of_codes]; | |
290 static u_char _length [number_of_codes]; | |
291 static bool _can_trap [number_of_codes]; | |
292 static Code _java_code [number_of_codes]; | |
293 static bool _can_rewrite [number_of_codes]; | |
294 | |
295 static void def(Code code, const char* name, const char* format, const char* wide_format, BasicType result_type, int depth, bool can_trap); | |
296 static void def(Code code, const char* name, const char* format, const char* wide_format, BasicType result_type, int depth, bool can_trap, Code java_code); | |
297 static void pd_initialize(); // platform specific initialization | |
298 static Code pd_base_code_for(Code code); // platform specific base_code_for implementation | |
299 | |
300 public: | |
301 // Conversion | |
302 static void check (Code code) { assert(is_defined(code), "illegal code"); } | |
303 static void wide_check (Code code) { assert(wide_is_defined(code), "illegal code"); } | |
304 static Code cast (int code) { return (Code)code; } | |
305 | |
306 | |
307 // Fetch a bytecode, hiding breakpoints as necessary: | |
308 static Code code_at(address bcp, methodOop method = NULL) { | |
309 Code code = cast(*bcp); return (code != _breakpoint) ? code : non_breakpoint_code_at(bcp, method); | |
310 } | |
311 static Code java_code_at(address bcp, methodOop method = NULL) { | |
312 return java_code(code_at(bcp, method)); | |
313 } | |
314 | |
315 // Fetch a bytecode or a breakpoint: | |
316 static Code code_or_bp_at(address bcp) { return (Code)cast(*bcp); } | |
317 | |
318 static Code code_at(methodOop method, int bci); | |
319 static bool is_active_breakpoint_at(address bcp) { return (Code)*bcp == _breakpoint; } | |
320 | |
321 // find a bytecode, behind a breakpoint if necessary: | |
322 static Code non_breakpoint_code_at(address bcp, methodOop method = NULL); | |
323 | |
324 // Bytecode attributes | |
325 static bool is_defined (int code) { return 0 <= code && code < number_of_codes && _format[code] != NULL; } | |
326 static bool wide_is_defined(int code) { return is_defined(code) && _wide_format[code] != NULL; } | |
327 static const char* name (Code code) { check(code); return _name [code]; } | |
328 static const char* format (Code code) { check(code); return _format [code]; } | |
329 static const char* wide_format (Code code) { return _wide_format[code]; } | |
330 static BasicType result_type (Code code) { check(code); return _result_type [code]; } | |
331 static int depth (Code code) { check(code); return _depth [code]; } | |
332 static int length_for (Code code) { return _length[code]; } | |
333 static bool can_trap (Code code) { check(code); return _can_trap [code]; } | |
334 static Code java_code (Code code) { check(code); return _java_code [code]; } | |
335 static bool can_rewrite (Code code) { check(code); return _can_rewrite [code]; } | |
336 static int wide_length_for(Code code) { | |
337 if (!is_defined(code)) { | |
338 return 0; | |
339 } | |
340 const char* wf = wide_format(code); | |
341 return (wf == NULL) ? 0 : (int)strlen(wf); | |
342 } | |
413
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6756528: Bytecodes::special_length_at reads past end of code buffer
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343 // if 'end' is provided, it indicates the end of the code buffer which |
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344 // should not be read past when parsing. |
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345 static int special_length_at(address bcp, address end = NULL); |
c7ec737733a6
6756528: Bytecodes::special_length_at reads past end of code buffer
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346 static int raw_special_length_at(address bcp, address end = NULL); |
0 | 347 static int length_at (address bcp) { int l = length_for(code_at(bcp)); return l > 0 ? l : special_length_at(bcp); } |
348 static int java_length_at (address bcp) { int l = length_for(java_code_at(bcp)); return l > 0 ? l : special_length_at(bcp); } | |
349 static bool is_java_code (Code code) { return 0 <= code && code < number_of_java_codes; } | |
350 | |
351 static bool is_aload (Code code) { return (code == _aload || code == _aload_0 || code == _aload_1 | |
352 || code == _aload_2 || code == _aload_3); } | |
353 static bool is_astore (Code code) { return (code == _astore || code == _astore_0 || code == _astore_1 | |
354 || code == _astore_2 || code == _astore_3); } | |
355 | |
356 static bool is_zero_const (Code code) { return (code == _aconst_null || code == _iconst_0 | |
357 || code == _fconst_0 || code == _dconst_0); } | |
358 // Initialization | |
359 static void initialize (); | |
360 }; |