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comparison src/share/vm/interpreter/bytecodes.cpp @ 1579:e9ff18c4ace7

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Merge
author jrose
date Wed, 02 Jun 2010 22:45:42 -0700
parents c18cbe5936b8 de91a2f25c7e
children 136b78722a08
comparison
equal deleted inserted replaced
1562:dfe27f03244a 1579:e9ff18c4ace7
1 /* 1 /*
2 * Copyright (c) 1997, 2009, Oracle and/or its affiliates. All rights reserved. 2 * Copyright (c) 1997, 2010, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 * 4 *
5 * This code is free software; you can redistribute it and/or modify it 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 6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. 7 * published by the Free Software Foundation.
35 #endif 35 #endif
36 36
37 37
38 bool Bytecodes::_is_initialized = false; 38 bool Bytecodes::_is_initialized = false;
39 const char* Bytecodes::_name [Bytecodes::number_of_codes]; 39 const char* Bytecodes::_name [Bytecodes::number_of_codes];
40 const char* Bytecodes::_format [Bytecodes::number_of_codes];
41 const char* Bytecodes::_wide_format [Bytecodes::number_of_codes];
42 BasicType Bytecodes::_result_type [Bytecodes::number_of_codes]; 40 BasicType Bytecodes::_result_type [Bytecodes::number_of_codes];
43 s_char Bytecodes::_depth [Bytecodes::number_of_codes]; 41 s_char Bytecodes::_depth [Bytecodes::number_of_codes];
44 u_char Bytecodes::_length [Bytecodes::number_of_codes]; 42 u_char Bytecodes::_lengths [Bytecodes::number_of_codes];
45 bool Bytecodes::_can_trap [Bytecodes::number_of_codes];
46 Bytecodes::Code Bytecodes::_java_code [Bytecodes::number_of_codes]; 43 Bytecodes::Code Bytecodes::_java_code [Bytecodes::number_of_codes];
47 bool Bytecodes::_can_rewrite [Bytecodes::number_of_codes]; 44 u_short Bytecodes::_flags [(1<<BitsPerByte)*2];
48 45
49 46
50 Bytecodes::Code Bytecodes::code_at(methodOop method, int bci) { 47 Bytecodes::Code Bytecodes::code_at(methodOop method, int bci) {
51 return code_at(method->bcp_from(bci), method); 48 return code_at(method->bcp_from(bci), method);
52 } 49 }
89 // only return len if it can be represented as a positive int; 86 // only return len if it can be represented as a positive int;
90 // return -1 otherwise 87 // return -1 otherwise
91 return (len > 0 && len == (int)len) ? len : -1; 88 return (len > 0 && len == (int)len) ? len : -1;
92 } 89 }
93 } 90 }
91 // Note: Length functions must return <=0 for invalid bytecodes.
94 return 0; 92 return 0;
95 } 93 }
96 94
97 // At a breakpoint instruction, this returns the breakpoint's length, 95 // At a breakpoint instruction, this returns the breakpoint's length,
98 // otherwise, it's the same as special_length_at(). This is used by 96 // otherwise, it's the same as special_length_at(). This is used by
122 } 120 }
123 121
124 122
125 void Bytecodes::def(Code code, const char* name, const char* format, const char* wide_format, BasicType result_type, int depth, bool can_trap, Code java_code) { 123 void Bytecodes::def(Code code, const char* name, const char* format, const char* wide_format, BasicType result_type, int depth, bool can_trap, Code java_code) {
126 assert(wide_format == NULL || format != NULL, "short form must exist if there's a wide form"); 124 assert(wide_format == NULL || format != NULL, "short form must exist if there's a wide form");
125 int len = (format != NULL ? (int) strlen(format) : 0);
126 int wlen = (wide_format != NULL ? (int) strlen(wide_format) : 0);
127 _name [code] = name; 127 _name [code] = name;
128 _format [code] = format;
129 _wide_format [code] = wide_format;
130 _result_type [code] = result_type; 128 _result_type [code] = result_type;
131 _depth [code] = depth; 129 _depth [code] = depth;
132 _can_trap [code] = can_trap; 130 _lengths [code] = (wlen << 4) | (len & 0xF);
133 _length [code] = format != NULL ? (u_char)strlen(format) : 0;
134 _java_code [code] = java_code; 131 _java_code [code] = java_code;
135 if (java_code != code) _can_rewrite[java_code] = true; 132 int bc_flags = 0;
133 if (can_trap) bc_flags |= _bc_can_trap;
134 if (java_code != code) bc_flags |= _bc_can_rewrite;
135 _flags[(u1)code+0*(1<<BitsPerByte)] = compute_flags(format, bc_flags);
136 _flags[(u1)code+1*(1<<BitsPerByte)] = compute_flags(wide_format, bc_flags);
137 assert(is_defined(code) == (format != NULL), "");
138 assert(wide_is_defined(code) == (wide_format != NULL), "");
139 assert(length_for(code) == len, "");
140 assert(wide_length_for(code) == wlen, "");
136 } 141 }
137 142
138 143
139 // Format strings interpretation: 144 // Format strings interpretation:
140 // 145 //
141 // b: bytecode 146 // b: bytecode
142 // c: signed constant, Java byte-ordering 147 // c: signed constant, Java byte-ordering
143 // i: unsigned index , Java byte-ordering 148 // i: unsigned local index, Java byte-ordering (I = native byte ordering)
144 // j: unsigned index , native byte-ordering 149 // j: unsigned CP cache index, Java byte-ordering (J = native byte ordering)
145 // o: branch offset , Java byte-ordering 150 // k: unsigned CP index, Java byte-ordering
151 // o: branch offset, Java byte-ordering
146 // _: unused/ignored 152 // _: unused/ignored
147 // w: wide bytecode 153 // w: wide bytecode
148 // 154 //
149 // Note: Right now the format strings are used for 2 purposes: 155 // Note: The format strings are used for 2 purposes:
150 // 1. to specify the length of the bytecode 156 // 1. to specify the length of the bytecode
151 // (= number of characters in format string) 157 // (= number of characters in format string)
152 // 2. to specify the bytecode attributes 158 // 2. to derive bytecode format flags (_fmt_has_k, etc.)
153 //
154 // The bytecode attributes are currently used only for bytecode tracing
155 // (see BytecodeTracer); thus if more specific format information is
156 // used, one would also have to adjust the bytecode tracer.
157 // 159 //
158 // Note: For bytecodes with variable length, the format string is the empty string. 160 // Note: For bytecodes with variable length, the format string is the empty string.
161
162 int Bytecodes::compute_flags(const char* format, int more_flags) {
163 if (format == NULL) return 0; // not even more_flags
164 int flags = more_flags;
165 const char* fp = format;
166 switch (*fp) {
167 case '\0':
168 flags |= _fmt_not_simple; // but variable
169 break;
170 case 'b':
171 flags |= _fmt_not_variable; // but simple
172 ++fp; // skip 'b'
173 break;
174 case 'w':
175 flags |= _fmt_not_variable | _fmt_not_simple;
176 ++fp; // skip 'w'
177 guarantee(*fp == 'b', "wide format must start with 'wb'");
178 ++fp; // skip 'b'
179 break;
180 }
181
182 int has_nbo = 0, has_jbo = 0, has_size = 0;
183 for (;;) {
184 int this_flag = 0;
185 char fc = *fp++;
186 switch (fc) {
187 case '\0': // end of string
188 assert(flags == (jchar)flags, "change _format_flags");
189 return flags;
190
191 case '_': continue; // ignore these
192
193 case 'j': this_flag = _fmt_has_j; has_jbo = 1; break;
194 case 'k': this_flag = _fmt_has_k; has_jbo = 1; break;
195 case 'i': this_flag = _fmt_has_i; has_jbo = 1; break;
196 case 'c': this_flag = _fmt_has_c; has_jbo = 1; break;
197 case 'o': this_flag = _fmt_has_o; has_jbo = 1; break;
198
199 // uppercase versions mark native byte order (from Rewriter)
200 // actually, only the 'J' case happens currently
201 case 'J': this_flag = _fmt_has_j; has_nbo = 1; break;
202 case 'K': this_flag = _fmt_has_k; has_nbo = 1; break;
203 case 'I': this_flag = _fmt_has_i; has_nbo = 1; break;
204 case 'C': this_flag = _fmt_has_c; has_nbo = 1; break;
205 case 'O': this_flag = _fmt_has_o; has_nbo = 1; break;
206 default: guarantee(false, "bad char in format");
207 }
208
209 flags |= this_flag;
210
211 guarantee(!(has_jbo && has_nbo), "mixed byte orders in format");
212 if (has_nbo)
213 flags |= _fmt_has_nbo;
214
215 int this_size = 1;
216 if (*fp == fc) {
217 // advance beyond run of the same characters
218 this_size = 2;
219 while (*++fp == fc) this_size++;
220 switch (this_size) {
221 case 2: flags |= _fmt_has_u2; break;
222 case 4: flags |= _fmt_has_u4; break;
223 default: guarantee(false, "bad rep count in format");
224 }
225 }
226 guarantee(has_size == 0 || // no field yet
227 this_size == has_size || // same size
228 this_size < has_size && *fp == '\0', // last field can be short
229 "mixed field sizes in format");
230 has_size = this_size;
231 }
232 }
159 233
160 void Bytecodes::initialize() { 234 void Bytecodes::initialize() {
161 if (_is_initialized) return; 235 if (_is_initialized) return;
162 assert(number_of_codes <= 256, "too many bytecodes"); 236 assert(number_of_codes <= 256, "too many bytecodes");
163 237
189 def(_fconst_2 , "fconst_2" , "b" , NULL , T_FLOAT , 1, false); 263 def(_fconst_2 , "fconst_2" , "b" , NULL , T_FLOAT , 1, false);
190 def(_dconst_0 , "dconst_0" , "b" , NULL , T_DOUBLE , 2, false); 264 def(_dconst_0 , "dconst_0" , "b" , NULL , T_DOUBLE , 2, false);
191 def(_dconst_1 , "dconst_1" , "b" , NULL , T_DOUBLE , 2, false); 265 def(_dconst_1 , "dconst_1" , "b" , NULL , T_DOUBLE , 2, false);
192 def(_bipush , "bipush" , "bc" , NULL , T_INT , 1, false); 266 def(_bipush , "bipush" , "bc" , NULL , T_INT , 1, false);
193 def(_sipush , "sipush" , "bcc" , NULL , T_INT , 1, false); 267 def(_sipush , "sipush" , "bcc" , NULL , T_INT , 1, false);
194 def(_ldc , "ldc" , "bi" , NULL , T_ILLEGAL, 1, true ); 268 def(_ldc , "ldc" , "bk" , NULL , T_ILLEGAL, 1, true );
195 def(_ldc_w , "ldc_w" , "bii" , NULL , T_ILLEGAL, 1, true ); 269 def(_ldc_w , "ldc_w" , "bkk" , NULL , T_ILLEGAL, 1, true );
196 def(_ldc2_w , "ldc2_w" , "bii" , NULL , T_ILLEGAL, 2, true ); 270 def(_ldc2_w , "ldc2_w" , "bkk" , NULL , T_ILLEGAL, 2, true );
197 def(_iload , "iload" , "bi" , "wbii" , T_INT , 1, false); 271 def(_iload , "iload" , "bi" , "wbii" , T_INT , 1, false);
198 def(_lload , "lload" , "bi" , "wbii" , T_LONG , 2, false); 272 def(_lload , "lload" , "bi" , "wbii" , T_LONG , 2, false);
199 def(_fload , "fload" , "bi" , "wbii" , T_FLOAT , 1, false); 273 def(_fload , "fload" , "bi" , "wbii" , T_FLOAT , 1, false);
200 def(_dload , "dload" , "bi" , "wbii" , T_DOUBLE , 2, false); 274 def(_dload , "dload" , "bi" , "wbii" , T_DOUBLE , 2, false);
201 def(_aload , "aload" , "bi" , "wbii" , T_OBJECT , 1, false); 275 def(_aload , "aload" , "bi" , "wbii" , T_OBJECT , 1, false);
349 def(_lreturn , "lreturn" , "b" , NULL , T_LONG , -2, true); 423 def(_lreturn , "lreturn" , "b" , NULL , T_LONG , -2, true);
350 def(_freturn , "freturn" , "b" , NULL , T_FLOAT , -1, true); 424 def(_freturn , "freturn" , "b" , NULL , T_FLOAT , -1, true);
351 def(_dreturn , "dreturn" , "b" , NULL , T_DOUBLE , -2, true); 425 def(_dreturn , "dreturn" , "b" , NULL , T_DOUBLE , -2, true);
352 def(_areturn , "areturn" , "b" , NULL , T_OBJECT , -1, true); 426 def(_areturn , "areturn" , "b" , NULL , T_OBJECT , -1, true);
353 def(_return , "return" , "b" , NULL , T_VOID , 0, true); 427 def(_return , "return" , "b" , NULL , T_VOID , 0, true);
354 def(_getstatic , "getstatic" , "bjj" , NULL , T_ILLEGAL, 1, true ); 428 def(_getstatic , "getstatic" , "bJJ" , NULL , T_ILLEGAL, 1, true );
355 def(_putstatic , "putstatic" , "bjj" , NULL , T_ILLEGAL, -1, true ); 429 def(_putstatic , "putstatic" , "bJJ" , NULL , T_ILLEGAL, -1, true );
356 def(_getfield , "getfield" , "bjj" , NULL , T_ILLEGAL, 0, true ); 430 def(_getfield , "getfield" , "bJJ" , NULL , T_ILLEGAL, 0, true );
357 def(_putfield , "putfield" , "bjj" , NULL , T_ILLEGAL, -2, true ); 431 def(_putfield , "putfield" , "bJJ" , NULL , T_ILLEGAL, -2, true );
358 def(_invokevirtual , "invokevirtual" , "bjj" , NULL , T_ILLEGAL, -1, true); 432 def(_invokevirtual , "invokevirtual" , "bJJ" , NULL , T_ILLEGAL, -1, true);
359 def(_invokespecial , "invokespecial" , "bjj" , NULL , T_ILLEGAL, -1, true); 433 def(_invokespecial , "invokespecial" , "bJJ" , NULL , T_ILLEGAL, -1, true);
360 def(_invokestatic , "invokestatic" , "bjj" , NULL , T_ILLEGAL, 0, true); 434 def(_invokestatic , "invokestatic" , "bJJ" , NULL , T_ILLEGAL, 0, true);
361 def(_invokeinterface , "invokeinterface" , "bjj__", NULL , T_ILLEGAL, -1, true); 435 def(_invokeinterface , "invokeinterface" , "bJJ__", NULL , T_ILLEGAL, -1, true);
362 def(_invokedynamic , "invokedynamic" , "bjjjj", NULL , T_ILLEGAL, 0, true ); 436 def(_invokedynamic , "invokedynamic" , "bJJJJ", NULL , T_ILLEGAL, 0, true );
363 def(_new , "new" , "bii" , NULL , T_OBJECT , 1, true ); 437 def(_new , "new" , "bkk" , NULL , T_OBJECT , 1, true );
364 def(_newarray , "newarray" , "bc" , NULL , T_OBJECT , 0, true ); 438 def(_newarray , "newarray" , "bc" , NULL , T_OBJECT , 0, true );
365 def(_anewarray , "anewarray" , "bii" , NULL , T_OBJECT , 0, true ); 439 def(_anewarray , "anewarray" , "bkk" , NULL , T_OBJECT , 0, true );
366 def(_arraylength , "arraylength" , "b" , NULL , T_VOID , 0, true ); 440 def(_arraylength , "arraylength" , "b" , NULL , T_VOID , 0, true );
367 def(_athrow , "athrow" , "b" , NULL , T_VOID , -1, true ); 441 def(_athrow , "athrow" , "b" , NULL , T_VOID , -1, true );
368 def(_checkcast , "checkcast" , "bii" , NULL , T_OBJECT , 0, true ); 442 def(_checkcast , "checkcast" , "bkk" , NULL , T_OBJECT , 0, true );
369 def(_instanceof , "instanceof" , "bii" , NULL , T_INT , 0, true ); 443 def(_instanceof , "instanceof" , "bkk" , NULL , T_INT , 0, true );
370 def(_monitorenter , "monitorenter" , "b" , NULL , T_VOID , -1, true ); 444 def(_monitorenter , "monitorenter" , "b" , NULL , T_VOID , -1, true );
371 def(_monitorexit , "monitorexit" , "b" , NULL , T_VOID , -1, true ); 445 def(_monitorexit , "monitorexit" , "b" , NULL , T_VOID , -1, true );
372 def(_wide , "wide" , "" , NULL , T_VOID , 0, false); 446 def(_wide , "wide" , "" , NULL , T_VOID , 0, false);
373 def(_multianewarray , "multianewarray" , "biic" , NULL , T_OBJECT , 1, true ); 447 def(_multianewarray , "multianewarray" , "bkkc" , NULL , T_OBJECT , 1, true );
374 def(_ifnull , "ifnull" , "boo" , NULL , T_VOID , -1, false); 448 def(_ifnull , "ifnull" , "boo" , NULL , T_VOID , -1, false);
375 def(_ifnonnull , "ifnonnull" , "boo" , NULL , T_VOID , -1, false); 449 def(_ifnonnull , "ifnonnull" , "boo" , NULL , T_VOID , -1, false);
376 def(_goto_w , "goto_w" , "boooo", NULL , T_VOID , 0, false); 450 def(_goto_w , "goto_w" , "boooo", NULL , T_VOID , 0, false);
377 def(_jsr_w , "jsr_w" , "boooo", NULL , T_INT , 0, false); 451 def(_jsr_w , "jsr_w" , "boooo", NULL , T_INT , 0, false);
378 def(_breakpoint , "breakpoint" , "" , NULL , T_VOID , 0, true); 452 def(_breakpoint , "breakpoint" , "" , NULL , T_VOID , 0, true);
379 453
380 // JVM bytecodes 454 // JVM bytecodes
381 // bytecode bytecode name format wide f. result tp stk traps std code 455 // bytecode bytecode name format wide f. result tp stk traps std code
382 456
383 def(_fast_agetfield , "fast_agetfield" , "bjj" , NULL , T_OBJECT , 0, true , _getfield ); 457 def(_fast_agetfield , "fast_agetfield" , "bJJ" , NULL , T_OBJECT , 0, true , _getfield );
384 def(_fast_bgetfield , "fast_bgetfield" , "bjj" , NULL , T_INT , 0, true , _getfield ); 458 def(_fast_bgetfield , "fast_bgetfield" , "bJJ" , NULL , T_INT , 0, true , _getfield );
385 def(_fast_cgetfield , "fast_cgetfield" , "bjj" , NULL , T_CHAR , 0, true , _getfield ); 459 def(_fast_cgetfield , "fast_cgetfield" , "bJJ" , NULL , T_CHAR , 0, true , _getfield );
386 def(_fast_dgetfield , "fast_dgetfield" , "bjj" , NULL , T_DOUBLE , 0, true , _getfield ); 460 def(_fast_dgetfield , "fast_dgetfield" , "bJJ" , NULL , T_DOUBLE , 0, true , _getfield );
387 def(_fast_fgetfield , "fast_fgetfield" , "bjj" , NULL , T_FLOAT , 0, true , _getfield ); 461 def(_fast_fgetfield , "fast_fgetfield" , "bJJ" , NULL , T_FLOAT , 0, true , _getfield );
388 def(_fast_igetfield , "fast_igetfield" , "bjj" , NULL , T_INT , 0, true , _getfield ); 462 def(_fast_igetfield , "fast_igetfield" , "bJJ" , NULL , T_INT , 0, true , _getfield );
389 def(_fast_lgetfield , "fast_lgetfield" , "bjj" , NULL , T_LONG , 0, true , _getfield ); 463 def(_fast_lgetfield , "fast_lgetfield" , "bJJ" , NULL , T_LONG , 0, true , _getfield );
390 def(_fast_sgetfield , "fast_sgetfield" , "bjj" , NULL , T_SHORT , 0, true , _getfield ); 464 def(_fast_sgetfield , "fast_sgetfield" , "bJJ" , NULL , T_SHORT , 0, true , _getfield );
391 465
392 def(_fast_aputfield , "fast_aputfield" , "bjj" , NULL , T_OBJECT , 0, true , _putfield ); 466 def(_fast_aputfield , "fast_aputfield" , "bJJ" , NULL , T_OBJECT , 0, true , _putfield );
393 def(_fast_bputfield , "fast_bputfield" , "bjj" , NULL , T_INT , 0, true , _putfield ); 467 def(_fast_bputfield , "fast_bputfield" , "bJJ" , NULL , T_INT , 0, true , _putfield );
394 def(_fast_cputfield , "fast_cputfield" , "bjj" , NULL , T_CHAR , 0, true , _putfield ); 468 def(_fast_cputfield , "fast_cputfield" , "bJJ" , NULL , T_CHAR , 0, true , _putfield );
395 def(_fast_dputfield , "fast_dputfield" , "bjj" , NULL , T_DOUBLE , 0, true , _putfield ); 469 def(_fast_dputfield , "fast_dputfield" , "bJJ" , NULL , T_DOUBLE , 0, true , _putfield );
396 def(_fast_fputfield , "fast_fputfield" , "bjj" , NULL , T_FLOAT , 0, true , _putfield ); 470 def(_fast_fputfield , "fast_fputfield" , "bJJ" , NULL , T_FLOAT , 0, true , _putfield );
397 def(_fast_iputfield , "fast_iputfield" , "bjj" , NULL , T_INT , 0, true , _putfield ); 471 def(_fast_iputfield , "fast_iputfield" , "bJJ" , NULL , T_INT , 0, true , _putfield );
398 def(_fast_lputfield , "fast_lputfield" , "bjj" , NULL , T_LONG , 0, true , _putfield ); 472 def(_fast_lputfield , "fast_lputfield" , "bJJ" , NULL , T_LONG , 0, true , _putfield );
399 def(_fast_sputfield , "fast_sputfield" , "bjj" , NULL , T_SHORT , 0, true , _putfield ); 473 def(_fast_sputfield , "fast_sputfield" , "bJJ" , NULL , T_SHORT , 0, true , _putfield );
400 474
401 def(_fast_aload_0 , "fast_aload_0" , "b" , NULL , T_OBJECT , 1, true , _aload_0 ); 475 def(_fast_aload_0 , "fast_aload_0" , "b" , NULL , T_OBJECT , 1, true , _aload_0 );
402 def(_fast_iaccess_0 , "fast_iaccess_0" , "b_jj" , NULL , T_INT , 1, true , _aload_0 ); 476 def(_fast_iaccess_0 , "fast_iaccess_0" , "b_JJ" , NULL , T_INT , 1, true , _aload_0 );
403 def(_fast_aaccess_0 , "fast_aaccess_0" , "b_jj" , NULL , T_OBJECT , 1, true , _aload_0 ); 477 def(_fast_aaccess_0 , "fast_aaccess_0" , "b_JJ" , NULL , T_OBJECT , 1, true , _aload_0 );
404 def(_fast_faccess_0 , "fast_faccess_0" , "b_jj" , NULL , T_OBJECT , 1, true , _aload_0 ); 478 def(_fast_faccess_0 , "fast_faccess_0" , "b_JJ" , NULL , T_OBJECT , 1, true , _aload_0 );
405 479
406 def(_fast_iload , "fast_iload" , "bi" , NULL , T_INT , 1, false, _iload); 480 def(_fast_iload , "fast_iload" , "bi" , NULL , T_INT , 1, false, _iload);
407 def(_fast_iload2 , "fast_iload2" , "bi_i" , NULL , T_INT , 2, false, _iload); 481 def(_fast_iload2 , "fast_iload2" , "bi_i" , NULL , T_INT , 2, false, _iload);
408 def(_fast_icaload , "fast_icaload" , "bi_" , NULL , T_INT , 0, false, _iload); 482 def(_fast_icaload , "fast_icaload" , "bi_" , NULL , T_INT , 0, false, _iload);
409 483
410 // Faster method invocation. 484 // Faster method invocation.
411 def(_fast_invokevfinal , "fast_invokevfinal" , "bjj" , NULL , T_ILLEGAL, -1, true, _invokevirtual ); 485 def(_fast_invokevfinal , "fast_invokevfinal" , "bJJ" , NULL , T_ILLEGAL, -1, true, _invokevirtual );
412 486
413 def(_fast_linearswitch , "fast_linearswitch" , "" , NULL , T_VOID , -1, false, _lookupswitch ); 487 def(_fast_linearswitch , "fast_linearswitch" , "" , NULL , T_VOID , -1, false, _lookupswitch );
414 def(_fast_binaryswitch , "fast_binaryswitch" , "" , NULL , T_VOID , -1, false, _lookupswitch ); 488 def(_fast_binaryswitch , "fast_binaryswitch" , "" , NULL , T_VOID , -1, false, _lookupswitch );
415 489
416 def(_return_register_finalizer , "return_register_finalizer" , "b" , NULL , T_VOID , 0, true, _return); 490 def(_return_register_finalizer , "return_register_finalizer" , "b" , NULL , T_VOID , 0, true, _return);