1 /* src/vm/jit/jit.h - code generation header
3 Copyright (C) 1996-2005 R. Grafl, A. Krall, C. Kruegel, C. Oates,
4 R. Obermaisser, M. Platter, M. Probst, S. Ring, E. Steiner,
5 C. Thalinger, D. Thuernbeck, P. Tomsich, C. Ullrich, J. Wenninger,
6 Institut f. Computersprachen - TU Wien
8 This file is part of CACAO.
10 This program is free software; you can redistribute it and/or
11 modify it under the terms of the GNU General Public License as
12 published by the Free Software Foundation; either version 2, or (at
13 your option) any later version.
15 This program is distributed in the hope that it will be useful, but
16 WITHOUT ANY WARRANTY; without even the implied warranty of
17 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
18 General Public License for more details.
20 You should have received a copy of the GNU General Public License
21 along with this program; if not, write to the Free Software
22 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
25 Contact: cacao@complang.tuwien.ac.at
27 Authors: Andreas Krall
30 Changes: Christian Thalinger
32 $Id: jit.h 3811 2005-11-28 16:23:40Z edwin $
40 /* resolve typedef cycles *****************************************************/
42 typedef struct stackelement stackelement;
43 typedef stackelement *stackptr;
44 typedef struct basicblock basicblock;
45 typedef struct instruction instruction;
46 typedef struct subroutineinfo subroutineinfo;
49 #include "toolbox/chain.h"
50 #include "vm/global.h"
51 #include "vm/references.h"
52 #include "vm/method.h"
53 #include "vm/jit/codegen.inc.h"
54 #include "vm/jit/verify/typeinfo.h"
57 /**************************** resolve typedef-cycles **************************/
59 /************************** stack element structure ***************************/
63 /* Unified these with longer names. Maybe someday use only
64 * one set of names? -Edwin
66 /*#define TYPE_INT 0*/ /* the stack slot types must numbered in the */
67 #define TYPE_LNG TYPE_LONG /*1*/ /* same order as the ICMD_Ixxx to ICMD_Axxx */
68 #define TYPE_FLT TYPE_FLOAT /*2*/ /* instructions (LOAD and STORE) */
69 #define TYPE_DBL TYPE_DOUBLE /*3*/ /* integer, long, float, double, address */
70 #define TYPE_ADR TYPE_ADDRESS /*4*/
72 #define IS_INT_LNG_TYPE(a) (!((a) & TYPE_FLT))
73 #define IS_FLT_DBL_TYPE(a) ((a) & TYPE_FLT)
74 #define IS_2_WORD_TYPE(a) ((a) & TYPE_LNG)
75 #define IS_ADR_TYPE(a) ((a) & TYPE_ADR)
80 #define SAVEDVAR 1 /* variable has to survive method invocations */
81 #define INMEMORY 2 /* variable stored in memory */
82 #define SAVEDTMP 4 /* temporary variable using a saved register */
83 #define TMPARG 8 /* temporary variable using a argument register */
87 #define UNDEFVAR 0 /* stack slot will become temp during regalloc*/
88 #define TEMPVAR 1 /* stack slot is temp register */
89 #define STACKVAR 2 /* stack slot is numbered stack slot */
90 #define LOCALVAR 3 /* stack slot is local variable */
91 #define ARGVAR 4 /* stack slot is argument variable */
95 stackptr prev; /* pointer to next element towards bottom */
96 s4 type; /* slot type of stack element */
97 #ifdef ENABLE_VERIFIER
98 typeinfo typeinfo; /* info on reference types */
100 s4 flags; /* flags (SAVED, INMEMORY) */
101 s4 varkind; /* kind of variable or register */
102 s4 varnum; /* number of variable */
103 s4 regoff; /* register number or memory offset */
107 /**************************** instruction structure ***************************/
110 stackptr dst; /* stack index of destination operand stack */
111 u2 opc; /* opcode of intermediate code command */
112 s4 op1; /* first operand, usually variable number */
113 imm_union val; /* immediate constant */
114 void *target; /* used for targets of branches and jumps */
115 /* and as address for list of targets for */
117 u2 line; /* line number in source file */
118 methodinfo *method; /* needed for inlining. can't be done on */
119 /* basic block level, since an inlined */
120 /* function doesn't necessarily start */
124 #define INSTRUCTION_PUTCONST_TYPE(iptr) \
127 #define INSTRUCTION_PUTCONST_VALUE_ADR(iptr) \
130 #define INSTRUCTION_PUTCONST_FIELDINFO(iptr) \
131 ((fieldinfo *)((iptr)[1].val.a))
133 #define INSTRUCTION_PUTCONST_FIELDINFO_PTR(iptr) \
134 ((fieldinfo **) &((iptr)[1].val.a))
136 #define INSTRUCTION_PUTCONST_FIELDREF(iptr) \
137 ((unresolved_field *)((iptr)[1].target))
139 /**************************** basic block structure ***************************/
147 #define BBTYPECHECK_UNDEF 2
148 #define BBTYPECHECK_REACHED 3
150 #define BBTYPE_STD 0 /* standard basic block type */
151 #define BBTYPE_EXH 1 /* exception handler basic block type */
152 #define BBTYPE_SBR 2 /* subroutine basic block type */
156 int flags; /* used during stack analysis, init with -1 */
157 int type; /* basic block type (std, xhandler, subroutine*/
158 instruction *iinstr; /* pointer to intermediate code instructions */
159 int icount; /* number of intermediate code instructions */
160 int mpc; /* machine code pc at start of block */
161 stackptr instack; /* stack at begin of basic block */
162 stackptr outstack; /* stack at end of basic block */
163 int indepth; /* stack depth at begin of basic block */
164 int outdepth; /* stack depth end of basic block */
165 int pre_count; /* count of predecessor basic blocks */
166 struct branchref *branchrefs; /* list of branches to be patched */
168 basicblock *next; /* used to build a BB list (instead of array) */
169 int lflags; /* used during loop copying, init with 0 */
170 basicblock *copied_to; /* points to the copy of this basic block */
171 /* when loop nodes are copied */
176 /********** op1 values for ACONST instructions ********************************/
178 #define ACONST_LOAD 0 /* ACONST_NULL or LDC instruction */
179 #define ACONST_BUILTIN 1 /* constant argument for a builtin function call */
181 /********** JavaVM operation codes (sorted) and instruction lengths ***********/
183 extern char *icmd_names[256];
184 extern char *opcode_names[256];
185 extern int jcommandsize[256];
190 #define JAVA_ACONST_NULL 1
191 #define ICMD_ACONST 1 /* val.a = constant */
193 #define JAVA_ICONST_M1 2
194 #define ICMD_CHECKNULL 2
196 #define JAVA_ICONST_0 3
197 #define ICMD_ICONST 3 /* val.i = constant */
199 #define JAVA_ICONST_1 4
201 #define JAVA_ICONST_2 5
202 #define ICMD_IDIVPOW2 5 /* val.i = constant */
204 #define JAVA_ICONST_3 6
205 #define ICMD_LDIVPOW2 6 /* val.l = constant */
207 #define JAVA_ICONST_4 7
209 #define JAVA_ICONST_5 8
211 #define JAVA_LCONST_0 9
212 #define ICMD_LCONST 9 /* val.l = constant */
214 #define JAVA_LCONST_1 10
215 #define ICMD_LCMPCONST 10 /* val.l = constant */
217 #define JAVA_FCONST_0 11
218 #define ICMD_FCONST 11 /* val.f = constant */
220 #define JAVA_FCONST_1 12
222 #define JAVA_FCONST_2 13
223 #define ICMD_ELSE_ICONST 13
225 #define JAVA_DCONST_0 14
226 #define ICMD_DCONST 14 /* val.d = constant */
228 #define JAVA_DCONST_1 15
229 #define ICMD_IFEQ_ICONST 15
231 #define JAVA_BIPUSH 16
232 #define ICMD_IFNE_ICONST 16
234 #define JAVA_SIPUSH 17
235 #define ICMD_IFLT_ICONST 17
238 #define ICMD_IFGE_ICONST 18
241 #define ICMD_IFGT_ICONST 19
243 #define JAVA_LDC2W 20
244 #define ICMD_IFLE_ICONST 20
246 /* order of LOAD instructions must be */
247 /* equal to order of TYPE_XXX defines */
248 #define JAVA_ILOAD 21
249 #define ICMD_ILOAD 21 /* op1 = local variable */
251 #define JAVA_LLOAD 22
252 #define ICMD_LLOAD 22 /* op1 = local variable */
254 #define JAVA_FLOAD 23
255 #define ICMD_FLOAD 23 /* op1 = local variable */
257 #define JAVA_DLOAD 24
258 #define ICMD_DLOAD 24 /* op1 = local variable */
260 #define JAVA_ALOAD 25
261 #define ICMD_ALOAD 25 /* op1 = local variable */
263 #define JAVA_ILOAD_0 26
264 #define ICMD_IADDCONST 26 /* val.i = constant */
266 #define JAVA_ILOAD_1 27
267 #define ICMD_ISUBCONST 27 /* val.i = constant */
269 #define JAVA_ILOAD_2 28
270 #define ICMD_IMULCONST 28 /* val.i = constant */
272 #define JAVA_ILOAD_3 29
273 #define ICMD_IANDCONST 29 /* val.i = constant */
275 #define JAVA_LLOAD_0 30
276 #define ICMD_IORCONST 30 /* val.i = constant */
278 #define JAVA_LLOAD_1 31
279 #define ICMD_IXORCONST 31 /* val.i = constant */
281 #define JAVA_LLOAD_2 32
282 #define ICMD_ISHLCONST 32 /* val.i = constant */
284 #define JAVA_LLOAD_3 33
285 #define ICMD_ISHRCONST 33 /* val.i = constant */
287 #define JAVA_FLOAD_0 34
288 #define ICMD_IUSHRCONST 34 /* val.i = constant */
290 #define JAVA_FLOAD_1 35
291 #define ICMD_IREMPOW2 35 /* val.i = constant */
293 #define JAVA_FLOAD_2 36
294 #define ICMD_LADDCONST 36 /* val.l = constant */
296 #define JAVA_FLOAD_3 37
297 #define ICMD_LSUBCONST 37 /* val.l = constant */
299 #define JAVA_DLOAD_0 38
300 #define ICMD_LMULCONST 38 /* val.l = constant */
302 #define JAVA_DLOAD_1 39
303 #define ICMD_LANDCONST 39 /* val.l = constant */
305 #define JAVA_DLOAD_2 40
306 #define ICMD_LORCONST 40 /* val.l = constant */
308 #define JAVA_DLOAD_3 41
309 #define ICMD_LXORCONST 41 /* val.l = constant */
311 #define JAVA_ALOAD_0 42
312 #define ICMD_LSHLCONST 42 /* val.l = constant */
314 #define JAVA_ALOAD_1 43
315 #define ICMD_LSHRCONST 43 /* val.l = constant */
317 #define JAVA_ALOAD_2 44
318 #define ICMD_LUSHRCONST 44 /* val.l = constant */
320 #define JAVA_ALOAD_3 45
321 #define ICMD_LREMPOW2 45 /* val.l = constant */
323 #define JAVA_IALOAD 46
324 #define ICMD_IALOAD 46
326 #define JAVA_LALOAD 47
327 #define ICMD_LALOAD 47
329 #define JAVA_FALOAD 48
330 #define ICMD_FALOAD 48
332 #define JAVA_DALOAD 49
333 #define ICMD_DALOAD 49
335 #define JAVA_AALOAD 50
336 #define ICMD_AALOAD 50
338 #define JAVA_BALOAD 51
339 #define ICMD_BALOAD 51
341 #define JAVA_CALOAD 52
342 #define ICMD_CALOAD 52
344 #define JAVA_SALOAD 53
345 #define ICMD_SALOAD 53
347 /* order of STORE instructions must be*/
348 /* equal to order of TYPE_XXX defines */
349 #define JAVA_ISTORE 54
350 #define ICMD_ISTORE 54 /* op1 = local variable */
352 #define JAVA_LSTORE 55
353 #define ICMD_LSTORE 55 /* op1 = local variable */
355 #define JAVA_FSTORE 56
356 #define ICMD_FSTORE 56 /* op1 = local variable */
358 #define JAVA_DSTORE 57
359 #define ICMD_DSTORE 57 /* op1 = local variable */
361 #define JAVA_ASTORE 58
362 #define ICMD_ASTORE 58 /* op1 = local variable */
364 #define JAVA_ISTORE_0 59
365 #define ICMD_IF_LEQ 59 /* op1 = target JavaVM pc, val.l */
367 #define JAVA_ISTORE_1 60
368 #define ICMD_IF_LNE 60 /* op1 = target JavaVM pc, val.l */
370 #define JAVA_ISTORE_2 61
371 #define ICMD_IF_LLT 61 /* op1 = target JavaVM pc, val.l */
373 #define JAVA_ISTORE_3 62
374 #define ICMD_IF_LGE 62 /* op1 = target JavaVM pc, val.l */
376 #define JAVA_LSTORE_0 63
377 #define ICMD_IF_LGT 63 /* op1 = target JavaVM pc, val.l */
379 #define JAVA_LSTORE_1 64
380 #define ICMD_IF_LLE 64 /* op1 = target JavaVM pc, val.l */
382 #define JAVA_LSTORE_2 65
383 #define ICMD_IF_LCMPEQ 65 /* op1 = target JavaVM pc */
385 #define JAVA_LSTORE_3 66
386 #define ICMD_IF_LCMPNE 66 /* op1 = target JavaVM pc */
388 #define JAVA_FSTORE_0 67
389 #define ICMD_IF_LCMPLT 67 /* op1 = target JavaVM pc */
391 #define JAVA_FSTORE_1 68
392 #define ICMD_IF_LCMPGE 68 /* op1 = target JavaVM pc */
394 #define JAVA_FSTORE_2 69
395 #define ICMD_IF_LCMPGT 69 /* op1 = target JavaVM pc */
397 #define JAVA_FSTORE_3 70
398 #define ICMD_IF_LCMPLE 70 /* op1 = target JavaVM pc */
400 #define JAVA_DSTORE_0 71
402 #define JAVA_DSTORE_1 72
404 #define JAVA_DSTORE_2 73
406 #define JAVA_DSTORE_3 74
408 #define JAVA_ASTORE_0 75
410 #define JAVA_ASTORE_1 76
412 #define JAVA_ASTORE_2 77
414 #define JAVA_ASTORE_3 78
416 #define JAVA_IASTORE 79
417 #define ICMD_IASTORE 79
419 #define JAVA_LASTORE 80
420 #define ICMD_LASTORE 80
422 #define JAVA_FASTORE 81
423 #define ICMD_FASTORE 81
425 #define JAVA_DASTORE 82
426 #define ICMD_DASTORE 82
428 #define JAVA_AASTORE 83
429 #define ICMD_AASTORE 83
431 #define JAVA_BASTORE 84
432 #define ICMD_BASTORE 84
434 #define JAVA_CASTORE 85
435 #define ICMD_CASTORE 85
437 #define JAVA_SASTORE 86
438 #define ICMD_SASTORE 86
449 #define JAVA_DUP_X1 90
450 #define ICMD_DUP_X1 90
452 #define JAVA_DUP_X2 91
453 #define ICMD_DUP_X2 91
458 #define JAVA_DUP2_X1 93
459 #define ICMD_DUP2_X1 93
461 #define JAVA_DUP2_X2 94
462 #define ICMD_DUP2_X2 94
479 #define JAVA_ISUB 100
480 #define ICMD_ISUB 100
482 #define JAVA_LSUB 101
483 #define ICMD_LSUB 101
485 #define JAVA_FSUB 102
486 #define ICMD_FSUB 102
488 #define JAVA_DSUB 103
489 #define ICMD_DSUB 103
491 #define JAVA_IMUL 104
492 #define ICMD_IMUL 104
494 #define JAVA_LMUL 105
495 #define ICMD_LMUL 105
497 #define JAVA_FMUL 106
498 #define ICMD_FMUL 106
500 #define JAVA_DMUL 107
501 #define ICMD_DMUL 107
503 #define JAVA_IDIV 108
504 #define ICMD_IDIV 108
506 #define JAVA_LDIV 109
507 #define ICMD_LDIV 109
509 #define JAVA_FDIV 110
510 #define ICMD_FDIV 110
512 #define JAVA_DDIV 111
513 #define ICMD_DDIV 111
515 #define JAVA_IREM 112
516 #define ICMD_IREM 112
518 #define JAVA_LREM 113
519 #define ICMD_LREM 113
521 #define JAVA_FREM 114
522 #define ICMD_FREM 114
524 #define JAVA_DREM 115
525 #define ICMD_DREM 115
527 #define JAVA_INEG 116
528 #define ICMD_INEG 116
530 #define JAVA_LNEG 117
531 #define ICMD_LNEG 117
533 #define JAVA_FNEG 118
534 #define ICMD_FNEG 118
536 #define JAVA_DNEG 119
537 #define ICMD_DNEG 119
539 #define JAVA_ISHL 120
540 #define ICMD_ISHL 120
542 #define JAVA_LSHL 121
543 #define ICMD_LSHL 121
545 #define JAVA_ISHR 122
546 #define ICMD_ISHR 122
548 #define JAVA_LSHR 123
549 #define ICMD_LSHR 123
551 #define JAVA_IUSHR 124
552 #define ICMD_IUSHR 124
554 #define JAVA_LUSHR 125
555 #define ICMD_LUSHR 125
557 #define JAVA_IAND 126
558 #define ICMD_IAND 126
560 #define JAVA_LAND 127
561 #define ICMD_LAND 127
569 #define JAVA_IXOR 130
570 #define ICMD_IXOR 130
572 #define JAVA_LXOR 131
573 #define ICMD_LXOR 131
575 #define JAVA_IINC 132
576 #define ICMD_IINC 132 /* op1 = local variable, val.i = constant */
614 #define JAVA_INT2BYTE 145
615 #define ICMD_INT2BYTE 145
617 #define JAVA_INT2CHAR 146
618 #define ICMD_INT2CHAR 146
620 #define JAVA_INT2SHORT 147
621 #define ICMD_INT2SHORT 147
623 #define JAVA_LCMP 148
624 #define ICMD_LCMP 148
626 #define JAVA_FCMPL 149
627 #define ICMD_FCMPL 149
629 #define JAVA_FCMPG 150
630 #define ICMD_FCMPG 150
632 #define JAVA_DCMPL 151
633 #define ICMD_DCMPL 151
635 #define JAVA_DCMPG 152
636 #define ICMD_DCMPG 152
638 #define JAVA_IFEQ 153
639 #define ICMD_IFEQ 153 /* op1 = target JavaVM pc, val.i */
641 #define JAVA_IFNE 154
642 #define ICMD_IFNE 154 /* op1 = target JavaVM pc, val.i */
644 #define JAVA_IFLT 155
645 #define ICMD_IFLT 155 /* op1 = target JavaVM pc, val.i */
647 #define JAVA_IFGE 156
648 #define ICMD_IFGE 156 /* op1 = target JavaVM pc, val.i */
650 #define JAVA_IFGT 157
651 #define ICMD_IFGT 157 /* op1 = target JavaVM pc, val.i */
653 #define JAVA_IFLE 158
654 #define ICMD_IFLE 158 /* op1 = target JavaVM pc, val.i */
656 #define JAVA_IF_ICMPEQ 159
657 #define ICMD_IF_ICMPEQ 159 /* op1 = target JavaVM pc */
659 #define JAVA_IF_ICMPNE 160
660 #define ICMD_IF_ICMPNE 160 /* op1 = target JavaVM pc */
662 #define JAVA_IF_ICMPLT 161
663 #define ICMD_IF_ICMPLT 161 /* op1 = target JavaVM pc */
665 #define JAVA_IF_ICMPGE 162
666 #define ICMD_IF_ICMPGE 162 /* op1 = target JavaVM pc */
668 #define JAVA_IF_ICMPGT 163
669 #define ICMD_IF_ICMPGT 163 /* op1 = target JavaVM pc */
671 #define JAVA_IF_ICMPLE 164
672 #define ICMD_IF_ICMPLE 164 /* op1 = target JavaVM pc */
674 #define JAVA_IF_ACMPEQ 165
675 #define ICMD_IF_ACMPEQ 165 /* op1 = target JavaVM pc */
677 #define JAVA_IF_ACMPNE 166
678 #define ICMD_IF_ACMPNE 166 /* op1 = target JavaVM pc */
680 #define JAVA_GOTO 167
681 #define ICMD_GOTO 167 /* op1 = target JavaVM pc */
684 #define ICMD_JSR 168 /* op1 = target JavaVM pc */
687 #define ICMD_RET 169 /* op1 = local variable */
689 #define JAVA_TABLESWITCH 170
690 #define ICMD_TABLESWITCH 170 /* val.a = pointer to s4 table */
691 /* length must be computed */
692 #define JAVA_LOOKUPSWITCH 171
693 #define ICMD_LOOKUPSWITCH 171 /* val.a = pointer to s4 table */
694 /* length must be computed */
695 #define JAVA_IRETURN 172
696 #define ICMD_IRETURN 172
698 #define JAVA_LRETURN 173
699 #define ICMD_LRETURN 173
701 #define JAVA_FRETURN 174
702 #define ICMD_FRETURN 174
704 #define JAVA_DRETURN 175
705 #define ICMD_DRETURN 175
707 #define JAVA_ARETURN 176
708 #define ICMD_ARETURN 176
710 #define JAVA_RETURN 177
711 #define ICMD_RETURN 177
713 #define JAVA_GETSTATIC 178
714 #define ICMD_GETSTATIC 178 /* op1 = type, val.a = field address */
716 #define JAVA_PUTSTATIC 179
717 #define ICMD_PUTSTATIC 179 /* op1 = type, val.a = field address */
719 #define JAVA_GETFIELD 180
720 #define ICMD_GETFIELD 180 /* op1 = type, val.i = field offset */
722 #define JAVA_PUTFIELD 181
723 #define ICMD_PUTFIELD 181 /* op1 = type, val.i = field offset */
725 #define JAVA_INVOKEVIRTUAL 182
726 #define ICMD_INVOKEVIRTUAL 182 /* val.a = method info pointer */
728 #define JAVA_INVOKESPECIAL 183
729 #define ICMD_INVOKESPECIAL 183 /* val.a = method info pointer */
731 #define JAVA_INVOKESTATIC 184
732 #define ICMD_INVOKESTATIC 184 /* val.a = method info pointer */
734 #define JAVA_INVOKEINTERFACE 185
735 #define ICMD_INVOKEINTERFACE 185 /* val.a = method info pointer */
740 #define ICMD_NEW 187 /* op1 = 1, val.a = class pointer */
742 #define JAVA_NEWARRAY 188
743 #define ICMD_NEWARRAY 188 /* op1 = basic type */
745 #define JAVA_ANEWARRAY 189
746 #define ICMD_ANEWARRAY 189 /* op1 = 0, val.a = array pointer */
747 /* op1 = 1, val.a = class pointer */
748 #define JAVA_ARRAYLENGTH 190
749 #define ICMD_ARRAYLENGTH 190
751 #define JAVA_ATHROW 191
752 #define ICMD_ATHROW 191
754 #define JAVA_CHECKCAST 192
755 #define ICMD_CHECKCAST 192 /* op1 = 0, val.a = array pointer */
756 /* op1 = 1, val.a = class pointer */
757 #define JAVA_INSTANCEOF 193
758 #define ICMD_INSTANCEOF 193 /* op1 = 0, val.a = array pointer */
759 /* op1 = 1, val.a = class pointer */
760 #define JAVA_MONITORENTER 194
761 #define ICMD_MONITORENTER 194
763 #define JAVA_MONITOREXIT 195
764 #define ICMD_MONITOREXIT 195
766 #define JAVA_WIDE 196
768 #define JAVA_MULTIANEWARRAY 197
769 #define ICMD_MULTIANEWARRAY 197 /* op1 = dimension, val.a = array */
771 #define JAVA_IFNULL 198
772 #define ICMD_IFNULL 198 /* op1 = target JavaVM pc */
774 #define JAVA_IFNONNULL 199
775 #define ICMD_IFNONNULL 199 /* op1 = target JavaVM pc */
777 #define JAVA_GOTO_W 200
779 #define JAVA_JSR_W 201
781 #define JAVA_BREAKPOINT 202
785 #define ICMD_IASTORECONST 204
787 #define ICMD_LASTORECONST 205
789 #define ICMD_FASTORECONST 206
791 #define ICMD_DASTORECONST 207
793 #define ICMD_AASTORECONST 208
795 #define ICMD_BASTORECONST 209
797 #define ICMD_CASTORECONST 210
799 #define ICMD_SASTORECONST 211
801 #define ICMD_PUTSTATICCONST 212
803 #define ICMD_PUTFIELDCONST 213
805 #define ICMD_IMULPOW2 214
807 #define ICMD_LMULPOW2 215
809 #define ICMD_INLINE_START 251 /* instruction before inlined method */
810 #define ICMD_INLINE_END 252 /* instruction after inlined method */
812 #define ICMD_BUILTIN 255 /* internal opcode */
814 #define ICMD_READONLY_ARG 1024 /* used for inlining, opcodes 1024-1028 are used */
815 #define ICMD_CLEAR_ARGREN 1029 /* indicates the start of a new inlined method argument renaming must be reset */
818 /******************* description of JavaVM instructions ***********************/
822 /***************************** register types *********************************/
824 #define REG_RES 0 /* reserved register for OS or code generator */
825 #define REG_RET 1 /* return value register */
826 #define REG_EXC 2 /* exception value register */
827 #define REG_SAV 3 /* (callee) saved register */
828 #define REG_TMP 4 /* scratch temporary register (caller saved) */
829 #define REG_ARG 5 /* argument register (caller saved) */
831 #define REG_END -1 /* last entry in tables */
833 #define PARAMMODE_NUMBERED 0
834 #define PARAMMODE_STUFFED 1
837 /***************************** register info block ****************************/
839 extern int stackreq[256];
842 /* function prototypes ********************************************************/
844 /* compiler initialisation */
847 /* compiler finalisation */
848 void jit_close(void);
850 /* compile a method with jit compiler */
851 u1 *jit_compile(methodinfo *m);
853 /* machine dependent initialization */
860 * These are local overrides for various environment variables in Emacs.
861 * Please do not remove this and leave it at the end of the file, where
862 * Emacs will automagically detect them.
863 * ---------------------------------------------------------------------
866 * indent-tabs-mode: t