1 /* src/vm/jit/jit.h - code generation header
3 Copyright (C) 1996-2005, 2006 R. Grafl, A. Krall, C. Kruegel,
4 C. Oates, R. Obermaisser, M. Platter, M. Probst, S. Ring,
5 E. Steiner, C. Thalinger, D. Thuernbeck, P. Tomsich, C. Ullrich,
6 J. Wenninger, 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., 51 Franklin Street, Fifth Floor, Boston, MA
25 Contact: cacao@cacaojvm.org
27 Authors: Andreas Krall
30 Changes: Christian Thalinger
33 $Id: jit.h 4631 2006-03-16 14:19:52Z twisti $
41 /* resolve typedef cycles *****************************************************/
43 typedef struct stackelement stackelement;
44 typedef stackelement *stackptr;
45 typedef struct basicblock basicblock;
46 typedef struct branchref branchref;
47 typedef struct instruction instruction;
48 typedef struct subroutineinfo subroutineinfo;
54 #include "toolbox/chain.h"
55 #include "vm/global.h"
56 #include "vm/method.h"
57 #include "vm/references.h"
58 #include "vm/statistics.h"
59 #include "vm/jit/codegen-common.h"
60 #include "vm/jit/verify/typeinfo.h"
63 /* common jit/codegen macros **************************************************/
65 #if defined(ENABLE_STATISTICS)
66 # define COUNT(x) (x)++
67 # define COUNT_SPILLS count_spills++
69 # define COUNT(x) /* nothing */
70 # define COUNT_SPILLS /* nothing */
74 /************************** stack element structure ***************************/
78 /* Unified these with longer names. Maybe someday use only
79 * one set of names? -Edwin
81 /*#define TYPE_INT 0*/ /* the stack slot types must numbered in the */
82 #define TYPE_LNG TYPE_LONG /*1*/ /* same order as the ICMD_Ixxx to ICMD_Axxx */
83 #define TYPE_FLT TYPE_FLOAT /*2*/ /* instructions (LOAD and STORE) */
84 #define TYPE_DBL TYPE_DOUBLE /*3*/ /* integer, long, float, double, address */
85 #define TYPE_ADR TYPE_ADDRESS /*4*/
87 #define IS_INT_LNG_TYPE(a) (!((a) & TYPE_FLT))
88 #define IS_FLT_DBL_TYPE(a) ((a) & TYPE_FLT)
89 #define IS_2_WORD_TYPE(a) ((a) & TYPE_LNG)
90 #define IS_ADR_TYPE(a) ((a) & TYPE_ADR)
95 #define SAVEDVAR 1 /* variable has to survive method invocations */
96 #define INMEMORY 2 /* variable stored in memory */
97 #define SAVEDTMP 4 /* temporary variable using a saved register */
98 #define TMPARG 8 /* temporary variable using a arg register */
99 #define STCOPY 16 /* there is another stackslot alive "below" */
100 /* using the same register/memory location */
101 #define STKEEP 32 /* to prevent reg_mark_copy to free this */
106 #define UNDEFVAR 0 /* stack slot will become temp during regalloc*/
107 #define TEMPVAR 1 /* stack slot is temp register */
108 #define STACKVAR 2 /* stack slot is numbered stack slot */
109 #define LOCALVAR 3 /* stack slot is local variable */
110 #define ARGVAR 4 /* stack slot is argument variable */
113 struct stackelement {
114 stackptr prev; /* pointer to next element towards bottom */
115 s4 type; /* slot type of stack element */
116 #ifdef ENABLE_VERIFIER
117 typeinfo typeinfo; /* info on reference types */
119 s4 flags; /* flags (SAVED, INMEMORY) */
120 s4 varkind; /* kind of variable or register */
121 s4 varnum; /* number of variable */
122 s4 regoff; /* register number or memory offset */
126 /**************************** instruction structure ***************************/
129 stackptr dst; /* stack index of destination operand stack */
130 u2 opc; /* opcode of intermediate code command */
131 s4 op1; /* first operand, usually variable number */
132 imm_union val; /* immediate constant */
133 void *target; /* used for targets of branches and jumps */
134 /* and as address for list of targets for */
136 u2 line; /* line number in source file */
137 methodinfo *method; /* needed for inlining. can't be done on */
138 /* basic block level, since an inlined */
139 /* function doesn't necessarily start */
143 #define INSTRUCTION_PUTCONST_TYPE(iptr) \
146 #define INSTRUCTION_PUTCONST_VALUE_ADR(iptr) \
149 #define INSTRUCTION_PUTCONST_FIELDINFO(iptr) \
150 ((fieldinfo *)((iptr)[1].val.a))
152 #define INSTRUCTION_PUTCONST_FIELDINFO_PTR(iptr) \
153 ((fieldinfo **) &((iptr)[1].val.a))
155 #define INSTRUCTION_PUTCONST_FIELDREF(iptr) \
156 ((unresolved_field *)((iptr)[1].target))
159 /* basicblock *****************************************************************/
168 #define BBTYPECHECK_UNDEF 2
169 #define BBTYPECHECK_REACHED 3
171 #define BBTYPE_STD 0 /* standard basic block type */
172 #define BBTYPE_EXH 1 /* exception handler basic block type */
173 #define BBTYPE_SBR 2 /* subroutine basic block type */
175 #define BBFLAG_REPLACEMENT 0x01 /* put a replacement point at the start */
177 /* XXX basicblock wastes quite a lot of memory by having four flag fields */
178 /* (flags, bitflags, type and lflags). Probably the last three could be */
179 /* combined without loss of efficiency. The first one could be combined with */
180 /* the others by using bitfields. */
183 s4 debug_nr; /* basic block number */
184 s4 flags; /* used during stack analysis, init with -1 */
185 s4 bitflags; /* OR of BBFLAG_... constants, init with 0 */
186 s4 type; /* basic block type (std, xhandler, subroutine*/
187 instruction *iinstr; /* pointer to intermediate code instructions */
188 s4 icount; /* number of intermediate code instructions */
189 s4 mpc; /* machine code pc at start of block */
190 stackptr instack; /* stack at begin of basic block */
191 stackptr outstack; /* stack at end of basic block */
192 s4 indepth; /* stack depth at begin of basic block */
193 s4 outdepth; /* stack depth end of basic block */
194 s4 pre_count; /* count of predecessor basic blocks */
195 branchref *branchrefs; /* list of branches to be patched */
197 basicblock *next; /* used to build a BB list (instead of array) */
198 s4 lflags; /* used during loop copying, init with 0 */
199 basicblock *copied_to; /* points to the copy of this basic block */
200 /* when loop nodes are copied */
201 stackptr stack; /* start of stack array for this block */
202 /* (see doc/stack.txt) */
205 /* macro for initializing newly allocated basicblock:s */
207 #define BASICBLOCK_INIT(bptr,m) \
211 bptr->bitflags = 0; \
213 bptr->type = BBTYPE_STD; \
214 bptr->branchrefs = NULL; \
215 bptr->pre_count = 0; \
216 bptr->debug_nr = m->c_debug_nr++; \
220 /* branchref *****************************************************************/
223 s4 branchpos; /* patching position in code segment */
224 branchref *next; /* next element in branchref list */
228 /********** op1 values for ACONST instructions ********************************/
230 #define ACONST_LOAD 0 /* ACONST_NULL or LDC instruction */
231 #define ACONST_BUILTIN 1 /* constant argument for a builtin function call */
233 /********** JavaVM operation codes (sorted) and instruction lengths ***********/
235 extern char *icmd_names[256];
236 extern char *opcode_names[256];
237 extern int jcommandsize[256];
242 #define JAVA_ACONST_NULL 1
243 #define ICMD_ACONST 1 /* val.a = constant */
245 #define JAVA_ICONST_M1 2
246 #define ICMD_CHECKNULL 2
248 #define JAVA_ICONST_0 3
249 #define ICMD_ICONST 3 /* val.i = constant */
251 #define JAVA_ICONST_1 4
253 #define JAVA_ICONST_2 5
254 #define ICMD_IDIVPOW2 5 /* val.i = constant */
256 #define JAVA_ICONST_3 6
257 #define ICMD_LDIVPOW2 6 /* val.l = constant */
259 #define JAVA_ICONST_4 7
261 #define JAVA_ICONST_5 8
263 #define JAVA_LCONST_0 9
264 #define ICMD_LCONST 9 /* val.l = constant */
266 #define JAVA_LCONST_1 10
267 #define ICMD_LCMPCONST 10 /* val.l = constant */
269 #define JAVA_FCONST_0 11
270 #define ICMD_FCONST 11 /* val.f = constant */
272 #define JAVA_FCONST_1 12
274 #define JAVA_FCONST_2 13
275 #define ICMD_ELSE_ICONST 13
277 #define JAVA_DCONST_0 14
278 #define ICMD_DCONST 14 /* val.d = constant */
280 #define JAVA_DCONST_1 15
281 #define ICMD_IFEQ_ICONST 15
283 #define JAVA_BIPUSH 16
284 #define ICMD_IFNE_ICONST 16
286 #define JAVA_SIPUSH 17
287 #define ICMD_IFLT_ICONST 17
290 #define ICMD_IFGE_ICONST 18
293 #define ICMD_IFGT_ICONST 19
295 #define JAVA_LDC2W 20
296 #define ICMD_IFLE_ICONST 20
298 /* order of LOAD instructions must be */
299 /* equal to order of TYPE_XXX defines */
300 #define JAVA_ILOAD 21
301 #define ICMD_ILOAD 21 /* op1 = local variable */
303 #define JAVA_LLOAD 22
304 #define ICMD_LLOAD 22 /* op1 = local variable */
306 #define JAVA_FLOAD 23
307 #define ICMD_FLOAD 23 /* op1 = local variable */
309 #define JAVA_DLOAD 24
310 #define ICMD_DLOAD 24 /* op1 = local variable */
312 #define JAVA_ALOAD 25
313 #define ICMD_ALOAD 25 /* op1 = local variable */
315 #define JAVA_ILOAD_0 26
316 #define ICMD_IADDCONST 26 /* val.i = constant */
318 #define JAVA_ILOAD_1 27
319 #define ICMD_ISUBCONST 27 /* val.i = constant */
321 #define JAVA_ILOAD_2 28
322 #define ICMD_IMULCONST 28 /* val.i = constant */
324 #define JAVA_ILOAD_3 29
325 #define ICMD_IANDCONST 29 /* val.i = constant */
327 #define JAVA_LLOAD_0 30
328 #define ICMD_IORCONST 30 /* val.i = constant */
330 #define JAVA_LLOAD_1 31
331 #define ICMD_IXORCONST 31 /* val.i = constant */
333 #define JAVA_LLOAD_2 32
334 #define ICMD_ISHLCONST 32 /* val.i = constant */
336 #define JAVA_LLOAD_3 33
337 #define ICMD_ISHRCONST 33 /* val.i = constant */
339 #define JAVA_FLOAD_0 34
340 #define ICMD_IUSHRCONST 34 /* val.i = constant */
342 #define JAVA_FLOAD_1 35
343 #define ICMD_IREMPOW2 35 /* val.i = constant */
345 #define JAVA_FLOAD_2 36
346 #define ICMD_LADDCONST 36 /* val.l = constant */
348 #define JAVA_FLOAD_3 37
349 #define ICMD_LSUBCONST 37 /* val.l = constant */
351 #define JAVA_DLOAD_0 38
352 #define ICMD_LMULCONST 38 /* val.l = constant */
354 #define JAVA_DLOAD_1 39
355 #define ICMD_LANDCONST 39 /* val.l = constant */
357 #define JAVA_DLOAD_2 40
358 #define ICMD_LORCONST 40 /* val.l = constant */
360 #define JAVA_DLOAD_3 41
361 #define ICMD_LXORCONST 41 /* val.l = constant */
363 #define JAVA_ALOAD_0 42
364 #define ICMD_LSHLCONST 42 /* val.l = constant */
366 #define JAVA_ALOAD_1 43
367 #define ICMD_LSHRCONST 43 /* val.l = constant */
369 #define JAVA_ALOAD_2 44
370 #define ICMD_LUSHRCONST 44 /* val.l = constant */
372 #define JAVA_ALOAD_3 45
373 #define ICMD_LREMPOW2 45 /* val.l = constant */
375 #define JAVA_IALOAD 46
376 #define ICMD_IALOAD 46
378 #define JAVA_LALOAD 47
379 #define ICMD_LALOAD 47
381 #define JAVA_FALOAD 48
382 #define ICMD_FALOAD 48
384 #define JAVA_DALOAD 49
385 #define ICMD_DALOAD 49
387 #define JAVA_AALOAD 50
388 #define ICMD_AALOAD 50
390 #define JAVA_BALOAD 51
391 #define ICMD_BALOAD 51
393 #define JAVA_CALOAD 52
394 #define ICMD_CALOAD 52
396 #define JAVA_SALOAD 53
397 #define ICMD_SALOAD 53
399 /* order of STORE instructions must be*/
400 /* equal to order of TYPE_XXX defines */
401 #define JAVA_ISTORE 54
402 #define ICMD_ISTORE 54 /* op1 = local variable */
404 #define JAVA_LSTORE 55
405 #define ICMD_LSTORE 55 /* op1 = local variable */
407 #define JAVA_FSTORE 56
408 #define ICMD_FSTORE 56 /* op1 = local variable */
410 #define JAVA_DSTORE 57
411 #define ICMD_DSTORE 57 /* op1 = local variable */
413 #define JAVA_ASTORE 58
414 #define ICMD_ASTORE 58 /* op1 = local variable */
416 #define JAVA_ISTORE_0 59
417 #define ICMD_IF_LEQ 59 /* op1 = target JavaVM pc, val.l */
419 #define JAVA_ISTORE_1 60
420 #define ICMD_IF_LNE 60 /* op1 = target JavaVM pc, val.l */
422 #define JAVA_ISTORE_2 61
423 #define ICMD_IF_LLT 61 /* op1 = target JavaVM pc, val.l */
425 #define JAVA_ISTORE_3 62
426 #define ICMD_IF_LGE 62 /* op1 = target JavaVM pc, val.l */
428 #define JAVA_LSTORE_0 63
429 #define ICMD_IF_LGT 63 /* op1 = target JavaVM pc, val.l */
431 #define JAVA_LSTORE_1 64
432 #define ICMD_IF_LLE 64 /* op1 = target JavaVM pc, val.l */
434 #define JAVA_LSTORE_2 65
435 #define ICMD_IF_LCMPEQ 65 /* op1 = target JavaVM pc */
437 #define JAVA_LSTORE_3 66
438 #define ICMD_IF_LCMPNE 66 /* op1 = target JavaVM pc */
440 #define JAVA_FSTORE_0 67
441 #define ICMD_IF_LCMPLT 67 /* op1 = target JavaVM pc */
443 #define JAVA_FSTORE_1 68
444 #define ICMD_IF_LCMPGE 68 /* op1 = target JavaVM pc */
446 #define JAVA_FSTORE_2 69
447 #define ICMD_IF_LCMPGT 69 /* op1 = target JavaVM pc */
449 #define JAVA_FSTORE_3 70
450 #define ICMD_IF_LCMPLE 70 /* op1 = target JavaVM pc */
452 #define JAVA_DSTORE_0 71
454 #define JAVA_DSTORE_1 72
456 #define JAVA_DSTORE_2 73
458 #define JAVA_DSTORE_3 74
460 #define JAVA_ASTORE_0 75
462 #define JAVA_ASTORE_1 76
464 #define JAVA_ASTORE_2 77
466 #define JAVA_ASTORE_3 78
468 #define JAVA_IASTORE 79
469 #define ICMD_IASTORE 79
471 #define JAVA_LASTORE 80
472 #define ICMD_LASTORE 80
474 #define JAVA_FASTORE 81
475 #define ICMD_FASTORE 81
477 #define JAVA_DASTORE 82
478 #define ICMD_DASTORE 82
480 #define JAVA_AASTORE 83
481 #define ICMD_AASTORE 83
483 #define JAVA_BASTORE 84
484 #define ICMD_BASTORE 84
486 #define JAVA_CASTORE 85
487 #define ICMD_CASTORE 85
489 #define JAVA_SASTORE 86
490 #define ICMD_SASTORE 86
501 #define JAVA_DUP_X1 90
502 #define ICMD_DUP_X1 90
504 #define JAVA_DUP_X2 91
505 #define ICMD_DUP_X2 91
510 #define JAVA_DUP2_X1 93
511 #define ICMD_DUP2_X1 93
513 #define JAVA_DUP2_X2 94
514 #define ICMD_DUP2_X2 94
531 #define JAVA_ISUB 100
532 #define ICMD_ISUB 100
534 #define JAVA_LSUB 101
535 #define ICMD_LSUB 101
537 #define JAVA_FSUB 102
538 #define ICMD_FSUB 102
540 #define JAVA_DSUB 103
541 #define ICMD_DSUB 103
543 #define JAVA_IMUL 104
544 #define ICMD_IMUL 104
546 #define JAVA_LMUL 105
547 #define ICMD_LMUL 105
549 #define JAVA_FMUL 106
550 #define ICMD_FMUL 106
552 #define JAVA_DMUL 107
553 #define ICMD_DMUL 107
555 #define JAVA_IDIV 108
556 #define ICMD_IDIV 108
558 #define JAVA_LDIV 109
559 #define ICMD_LDIV 109
561 #define JAVA_FDIV 110
562 #define ICMD_FDIV 110
564 #define JAVA_DDIV 111
565 #define ICMD_DDIV 111
567 #define JAVA_IREM 112
568 #define ICMD_IREM 112
570 #define JAVA_LREM 113
571 #define ICMD_LREM 113
573 #define JAVA_FREM 114
574 #define ICMD_FREM 114
576 #define JAVA_DREM 115
577 #define ICMD_DREM 115
579 #define JAVA_INEG 116
580 #define ICMD_INEG 116
582 #define JAVA_LNEG 117
583 #define ICMD_LNEG 117
585 #define JAVA_FNEG 118
586 #define ICMD_FNEG 118
588 #define JAVA_DNEG 119
589 #define ICMD_DNEG 119
591 #define JAVA_ISHL 120
592 #define ICMD_ISHL 120
594 #define JAVA_LSHL 121
595 #define ICMD_LSHL 121
597 #define JAVA_ISHR 122
598 #define ICMD_ISHR 122
600 #define JAVA_LSHR 123
601 #define ICMD_LSHR 123
603 #define JAVA_IUSHR 124
604 #define ICMD_IUSHR 124
606 #define JAVA_LUSHR 125
607 #define ICMD_LUSHR 125
609 #define JAVA_IAND 126
610 #define ICMD_IAND 126
612 #define JAVA_LAND 127
613 #define ICMD_LAND 127
621 #define JAVA_IXOR 130
622 #define ICMD_IXOR 130
624 #define JAVA_LXOR 131
625 #define ICMD_LXOR 131
627 #define JAVA_IINC 132
628 #define ICMD_IINC 132 /* op1 = local variable, val.i = constant */
666 #define JAVA_INT2BYTE 145
667 #define ICMD_INT2BYTE 145
669 #define JAVA_INT2CHAR 146
670 #define ICMD_INT2CHAR 146
672 #define JAVA_INT2SHORT 147
673 #define ICMD_INT2SHORT 147
675 #define JAVA_LCMP 148
676 #define ICMD_LCMP 148
678 #define JAVA_FCMPL 149
679 #define ICMD_FCMPL 149
681 #define JAVA_FCMPG 150
682 #define ICMD_FCMPG 150
684 #define JAVA_DCMPL 151
685 #define ICMD_DCMPL 151
687 #define JAVA_DCMPG 152
688 #define ICMD_DCMPG 152
690 #define JAVA_IFEQ 153
691 #define ICMD_IFEQ 153 /* op1 = target JavaVM pc, val.i */
693 #define JAVA_IFNE 154
694 #define ICMD_IFNE 154 /* op1 = target JavaVM pc, val.i */
696 #define JAVA_IFLT 155
697 #define ICMD_IFLT 155 /* op1 = target JavaVM pc, val.i */
699 #define JAVA_IFGE 156
700 #define ICMD_IFGE 156 /* op1 = target JavaVM pc, val.i */
702 #define JAVA_IFGT 157
703 #define ICMD_IFGT 157 /* op1 = target JavaVM pc, val.i */
705 #define JAVA_IFLE 158
706 #define ICMD_IFLE 158 /* op1 = target JavaVM pc, val.i */
708 #define JAVA_IF_ICMPEQ 159
709 #define ICMD_IF_ICMPEQ 159 /* op1 = target JavaVM pc */
711 #define JAVA_IF_ICMPNE 160
712 #define ICMD_IF_ICMPNE 160 /* op1 = target JavaVM pc */
714 #define JAVA_IF_ICMPLT 161
715 #define ICMD_IF_ICMPLT 161 /* op1 = target JavaVM pc */
717 #define JAVA_IF_ICMPGE 162
718 #define ICMD_IF_ICMPGE 162 /* op1 = target JavaVM pc */
720 #define JAVA_IF_ICMPGT 163
721 #define ICMD_IF_ICMPGT 163 /* op1 = target JavaVM pc */
723 #define JAVA_IF_ICMPLE 164
724 #define ICMD_IF_ICMPLE 164 /* op1 = target JavaVM pc */
726 #define JAVA_IF_ACMPEQ 165
727 #define ICMD_IF_ACMPEQ 165 /* op1 = target JavaVM pc */
729 #define JAVA_IF_ACMPNE 166
730 #define ICMD_IF_ACMPNE 166 /* op1 = target JavaVM pc */
732 #define JAVA_GOTO 167
733 #define ICMD_GOTO 167 /* op1 = target JavaVM pc */
736 #define ICMD_JSR 168 /* op1 = target JavaVM pc */
739 #define ICMD_RET 169 /* op1 = local variable */
741 #define JAVA_TABLESWITCH 170
742 #define ICMD_TABLESWITCH 170 /* val.a = pointer to s4 table */
743 /* length must be computed */
744 #define JAVA_LOOKUPSWITCH 171
745 #define ICMD_LOOKUPSWITCH 171 /* val.a = pointer to s4 table */
746 /* length must be computed */
747 #define JAVA_IRETURN 172
748 #define ICMD_IRETURN 172
750 #define JAVA_LRETURN 173
751 #define ICMD_LRETURN 173
753 #define JAVA_FRETURN 174
754 #define ICMD_FRETURN 174
756 #define JAVA_DRETURN 175
757 #define ICMD_DRETURN 175
759 #define JAVA_ARETURN 176
760 #define ICMD_ARETURN 176
762 #define JAVA_RETURN 177
763 #define ICMD_RETURN 177
765 #define JAVA_GETSTATIC 178
766 #define ICMD_GETSTATIC 178 /* op1 = type, val.a = field address */
768 #define JAVA_PUTSTATIC 179
769 #define ICMD_PUTSTATIC 179 /* op1 = type, val.a = field address */
771 #define JAVA_GETFIELD 180
772 #define ICMD_GETFIELD 180 /* op1 = type, val.i = field offset */
774 #define JAVA_PUTFIELD 181
775 #define ICMD_PUTFIELD 181 /* op1 = type, val.i = field offset */
777 #define JAVA_INVOKEVIRTUAL 182
778 #define ICMD_INVOKEVIRTUAL 182 /* val.a = method info pointer */
780 #define JAVA_INVOKESPECIAL 183
781 #define ICMD_INVOKESPECIAL 183 /* val.a = method info pointer */
783 #define JAVA_INVOKESTATIC 184
784 #define ICMD_INVOKESTATIC 184 /* val.a = method info pointer */
786 #define JAVA_INVOKEINTERFACE 185
787 #define ICMD_INVOKEINTERFACE 185 /* val.a = method info pointer */
792 #define ICMD_NEW 187 /* op1 = 1, val.a = class pointer */
794 #define JAVA_NEWARRAY 188
795 #define ICMD_NEWARRAY 188 /* op1 = basic type */
797 #define JAVA_ANEWARRAY 189
798 #define ICMD_ANEWARRAY 189 /* op1 = 0, val.a = array pointer */
799 /* op1 = 1, val.a = class pointer */
800 #define JAVA_ARRAYLENGTH 190
801 #define ICMD_ARRAYLENGTH 190
803 #define JAVA_ATHROW 191
804 #define ICMD_ATHROW 191
806 #define JAVA_CHECKCAST 192
807 #define ICMD_CHECKCAST 192 /* op1 = 0, val.a = array pointer */
808 /* op1 = 1, val.a = class pointer */
809 #define JAVA_INSTANCEOF 193
810 #define ICMD_INSTANCEOF 193 /* op1 = 0, val.a = array pointer */
811 /* op1 = 1, val.a = class pointer */
812 #define JAVA_MONITORENTER 194
813 #define ICMD_MONITORENTER 194
815 #define JAVA_MONITOREXIT 195
816 #define ICMD_MONITOREXIT 195
818 #define JAVA_WIDE 196
820 #define JAVA_MULTIANEWARRAY 197
821 #define ICMD_MULTIANEWARRAY 197 /* op1 = dimension, val.a = array */
823 #define JAVA_IFNULL 198
824 #define ICMD_IFNULL 198 /* op1 = target JavaVM pc */
826 #define JAVA_IFNONNULL 199
827 #define ICMD_IFNONNULL 199 /* op1 = target JavaVM pc */
829 #define JAVA_GOTO_W 200
831 #define JAVA_JSR_W 201
833 #define JAVA_BREAKPOINT 202
837 #define ICMD_IASTORECONST 204
839 #define ICMD_LASTORECONST 205
841 #define ICMD_FASTORECONST 206
843 #define ICMD_DASTORECONST 207
845 #define ICMD_AASTORECONST 208
847 #define ICMD_BASTORECONST 209
849 #define ICMD_CASTORECONST 210
851 #define ICMD_SASTORECONST 211
853 #define ICMD_PUTSTATICCONST 212
855 #define ICMD_PUTFIELDCONST 213
857 #define ICMD_IMULPOW2 214
859 #define ICMD_LMULPOW2 215
861 #define ICMD_INLINE_START 251 /* instruction before inlined method */
862 #define ICMD_INLINE_END 252 /* instruction after inlined method */
863 #define ICMD_INLINE_GOTO 253 /* jump to caller of inlined method */
865 #define ICMD_BUILTIN 255 /* internal opcode */
867 #define ICMD_READONLY_ARG 1024 /* used for inlining, opcodes 1024-1028 are used */
868 #define ICMD_CLEAR_ARGREN 1029 /* indicates the start of a new inlined method argument renaming must be reset */
871 /******************* description of JavaVM instructions ***********************/
875 /***************************** register types *********************************/
877 #define REG_RES 0 /* reserved register for OS or code generator */
878 #define REG_RET 1 /* return value register */
879 #define REG_EXC 2 /* exception value register */
880 #define REG_SAV 3 /* (callee) saved register */
881 #define REG_TMP 4 /* scratch temporary register (caller saved) */
882 #define REG_ARG 5 /* argument register (caller saved) */
884 #define REG_END -1 /* last entry in tables */
886 #define PARAMMODE_NUMBERED 0
887 #define PARAMMODE_STUFFED 1
890 /***************************** register info block ****************************/
892 extern int stackreq[256];
895 /* function prototypes ********************************************************/
897 /* compiler initialisation */
900 /* compiler finalisation */
901 void jit_close(void);
903 /* compile a method with jit compiler */
904 u1 *jit_compile(methodinfo *m);
906 /* machine dependent functions */
907 #if defined(ENABLE_JIT)
910 void md_cacheflush(u1 *addr, s4 nbytes);
911 void md_icacheflush(u1 *addr, s4 nbytes);
912 void md_dcacheflush(u1 *addr, s4 nbytes);
915 #if defined(ENABLE_INTRP)
916 void intrp_md_init(void);
923 * These are local overrides for various environment variables in Emacs.
924 * Please do not remove this and leave it at the end of the file, where
925 * Emacs will automagically detect them.
926 * ---------------------------------------------------------------------
929 * indent-tabs-mode: t
933 * vim:noexpandtab:sw=4:ts=4: