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 5352 2006-09-05 22:51:48Z christian $
41 /* forward typedefs ***********************************************************/
43 typedef struct jitdata jitdata;
44 typedef struct stackelement stackelement;
45 typedef stackelement *stackptr;
46 typedef struct basicblock basicblock;
47 typedef struct branchref branchref;
48 typedef struct instruction instruction;
49 typedef struct insinfo_inline insinfo_inline;
55 #include "toolbox/chain.h"
56 #include "vm/global.h"
57 #include "vm/method.h"
58 #include "vm/references.h"
59 #include "vm/resolve.h"
60 #include "vm/statistics.h"
61 #include "vm/jit/codegen-common.h"
62 #include "vm/jit/reg.h"
63 #include "vm/jit/stacktrace.h"
65 #if defined(ENABLE_INLINING)
66 # include "vm/jit/inline/inline.h"
69 #if defined(ENABLE_LOOP)
70 # include "vm/jit/loop/loop.h"
72 #if defined(ENABLE_SSA)
73 # include "vm/jit/optimizing/lsra.h"
75 #if defined(ENABLE_LSRA)
76 # include "vm/jit/allocator/lsra.h"
79 #include "vm/jit/verify/typeinfo.h"
81 /* common jit/codegen macros **************************************************/
83 #if defined(ENABLE_STATISTICS)
84 # define COUNT(x) (x)++
85 # define COUNT_SPILLS count_spills++
87 # define COUNT(x) /* nothing */
88 # define COUNT_SPILLS /* nothing */
92 /* jitdata ********************************************************************/
95 methodinfo *m; /* methodinfo of the method compiled */
99 #if defined(ENABLE_LOOP)
102 #if defined(ENABLE_SSA) || defined(ENABLE_LSRA)
106 u4 flags; /* contains JIT compiler flags */
107 bool isleafmethod; /* does method call subroutines */
109 instruction *new_instructions;
110 basicblock *new_basicblocks;
111 s4 *new_basicblockindex;
112 stackelement *new_stack;
113 s4 new_instructioncount;
114 s4 new_basicblockcount;
118 /* #if defined(NEW_VAR) */
122 int *local_map; /* internal structure to rename(de-coallesc) locals */
123 /* and keep the coalescing info for simplereg. */
124 /* local_map[local_index * 5 + local_type] = new_index in */
125 /* rd->var or LOCAL_UNUSED */
129 #define LOCAL_UNUSED -1
131 #define JITDATA_FLAG_PARSE 0x00000001
132 #define JITDATA_FLAG_VERIFY 0x00000002
134 #define JITDATA_FLAG_INSTRUMENT 0x00000004
136 #define JITDATA_FLAG_IFCONV 0x00000008
137 #define JITDATA_FLAG_REORDER 0x00000010
139 #define JITDATA_FLAG_SHOWINTERMEDIATE 0x20000000
140 #define JITDATA_FLAG_SHOWDISASSEMBLE 0x40000000
141 #define JITDATA_FLAG_VERBOSECALL 0x80000000
144 #define JITDATA_HAS_FLAG_PARSE(jd) \
145 ((jd)->flags & JITDATA_FLAG_PARSE)
147 #define JITDATA_HAS_FLAG_VERIFY(jd) \
148 ((jd)->flags & JITDATA_FLAG_VERIFY)
150 #define JITDATA_HAS_FLAG_INSTRUMENT(jd) \
151 ((jd)->flags & JITDATA_FLAG_INSTRUMENT)
153 #define JITDATA_HAS_FLAG_IFCONV(jd) \
154 ((jd)->flags & JITDATA_FLAG_IFCONV)
156 #define JITDATA_HAS_FLAG_REORDER(jd) \
157 ((jd)->flags & JITDATA_FLAG_REORDER)
159 #define JITDATA_HAS_FLAG_SHOWINTERMEDIATE(jd) \
160 ((jd)->flags & JITDATA_FLAG_SHOWINTERMEDIATE)
162 #define JITDATA_HAS_FLAG_SHOWDISASSEMBLE(jd) \
163 ((jd)->flags & JITDATA_FLAG_SHOWDISASSEMBLE)
165 #define JITDATA_HAS_FLAG_VERBOSECALL(jd) \
166 ((jd)->flags & JITDATA_FLAG_VERBOSECALL)
169 /************************** stack element structure ***************************/
173 #define SAVEDVAR 1 /* variable has to survive method invocations */
174 #define INMEMORY 2 /* variable stored in memory */
175 #define SAVEDTMP 4 /* temporary variable using a saved register */
176 #define TMPARG 8 /* temporary variable using a arg register */
177 #define STCOPY 16 /* there is another stackslot alive "below" */
178 /* using the same register/memory location */
179 #define STKEEP 32 /* to prevent reg_mark_copy to free this */
184 #define UNDEFVAR 0 /* stack slot will become temp during regalloc*/
185 #define TEMPVAR 1 /* stack slot is temp register */
186 #define STACKVAR 2 /* stack slot is numbered stack slot */
187 #define LOCALVAR 3 /* stack slot is local variable */
188 #define ARGVAR 4 /* stack slot is argument variable */
191 struct stackelement {
192 stackptr prev; /* pointer to next element towards bottom */
193 s4 type; /* slot type of stack element */
194 #ifdef ENABLE_VERIFIER
195 typeinfo typeinfo; /* info on reference types */
197 s4 flags; /* flags (SAVED, INMEMORY) */
198 s4 varkind; /* kind of variable or register */
199 s4 varnum; /* number of variable */
200 s4 regoff; /* register number or memory offset */
204 /**************************** instruction structure ***************************/
206 /* branch_target_t: used in TABLESWITCH tables */
209 s4 insindex; /* used between parse and stack */
210 basicblock *block; /* used from stack analysis onwards */
213 /* lookup_target_t: used in LOOKUPSWITCH tables */
216 s4 value; /* case value */
217 branch_target_t target; /* branch target, see above */
233 classref_or_classinfo c;
234 unresolved_class *uc;
235 ptrint constval; /* for PUT*CONST */
236 s4 tablelow; /* for TABLESWITCH */
237 u4 lookupcount; /* for LOOKUPSWITCH */
245 classref_or_classinfo c;
246 constant_FMIref *fmiref;
247 unresolved_method *um;
248 unresolved_field *uf;
249 insinfo_inline *inlineinfo; /* for INLINE_START/END */
250 s4 tablehigh; /* for TABLESWITCH */
251 branch_target_t lookupdefault; /* for LOOKUPSWITCH */
252 branch_target_t jsrtarget; /* for JSR */
253 struct builtintable_entry *bte;
256 /*** val operand ***/
264 java_objectheader *stringconst; /* for ACONST with string */
265 classref_or_classinfo c; /* for ACONST with class */
268 /*** dst operand ***/
273 basicblock *block; /* valid after stack analysis */
274 branch_target_t *table; /* for TABLESWITCH */
275 lookup_target_t *lookup; /* for LOOKUPSWITCH */
276 s4 insindex; /* used between parse and stack */
277 stackptr *dupslots; /* for SWAP, DUP* except DUP */
280 /*** flags (32 bits) ***/
282 #define INS_FLAG_UNRESOLVED 0x01 /* contains unresolved field/meth/class*/
283 #define INS_FLAG_CLASS 0x02 /* for ACONST with class */
284 #define INS_FLAG_ARRAY 0x04 /* for CHECKCAST/INSTANCEOF with array */
285 #define INS_FLAG_NOCHECK 0x08
289 struct { /* fields: */
292 u1 type; /* TYPE_* constant for fields */
293 u1 argcount; /* XXX does u1 suffice? */
294 /* for MULTIANEWARRAY and */
296 } f; /* XXX these could be made smaller */
297 /* only MULTIANEWARRAY needs the argcount */
301 bool unresolved:1; /* field/method is unresolved */
302 bool nocheck :1; /* don't check array access */
303 bool branch :1; /* branch to dst.target */
314 /*** instruction ***/
316 /* The instruction format for the intermediate representation: */
320 u2 line; /* line number */
321 #if SIZEOF_VOID_P == 8
322 flags_operand_t flags; /* 4 bytes */
324 s1_operand_t s1; /* pointer-size */
327 s2_operand_t s2; /* pointer-size */
328 s3_operand_t s3; /* pointer-size */
330 val_operand_t val; /* long-size */
332 dst_operand_t dst; /* pointer-size */
333 #if SIZEOF_VOID_P == 4
334 flags_operand_t flags; /* 4 bytes */
339 #define INSTRUCTION_IS_RESOLVED(iptr) \
340 (!((iptr)->flags.bits & INS_FLAG_UNRESOLVED))
342 #define INSTRUCTION_IS_UNRESOLVED(iptr) \
343 ((iptr)->flags.bits & INS_FLAG_UNRESOLVED)
345 #define INSTRUCTION_MUST_CHECK(iptr) \
346 (!((iptr)->flags.bits & INS_FLAG_NOCHECK))
348 #define INSTRUCTION_GET_FIELDREF(iptr,fref) \
350 if (iptr->flags.bits & INS_FLAG_UNRESOLVED) \
351 fref = iptr->sx.s23.s3.uf->fieldref; \
353 fref = iptr->sx.s23.s3.fmiref; \
356 #define INSTRUCTION_GET_METHODREF(iptr,mref) \
358 if (iptr->flags.bits & INS_FLAG_UNRESOLVED) \
359 mref = iptr->sx.s23.s3.um->methodref; \
361 mref = iptr->sx.s23.s3.fmiref; \
364 #define INSTRUCTION_GET_METHODDESC(iptr, md) \
366 if (iptr->flags.bits & INS_FLAG_UNRESOLVED) \
367 md = iptr->sx.s23.s3.um->methodref->parseddesc.md; \
369 md = iptr->sx.s23.s3.fmiref->parseddesc.md; \
373 /* additional info structs for special instructions ***************************/
375 /* for ICMD_INLINE_START and ICMD_INLINE_END */
377 struct insinfo_inline {
378 methodinfo *method; /* the inlined method starting/ending here */
379 methodinfo *outer; /* the outer method suspended/resumed here */
380 s4 startmpc; /* machine code offset of start of inlining */
381 s4 synclocal; /* local index used for synchronization */
382 bool synchronize; /* true if synchronization is needed */
385 /* basicblock *****************************************************************/
394 #define BBTYPECHECK_UNDEF 2
395 #define BBTYPECHECK_REACHED 3
397 #define BBTYPE_STD 0 /* standard basic block type */
398 #define BBTYPE_EXH 1 /* exception handler basic block type */
399 #define BBTYPE_SBR 2 /* subroutine basic block type */
401 #define BBFLAG_REPLACEMENT 0x01 /* put a replacement point at the start */
403 /* XXX basicblock wastes quite a lot of memory by having four flag fields */
404 /* (flags, bitflags, type and lflags). Probably the last three could be */
405 /* combined without loss of efficiency. The first one could be combined with */
406 /* the others by using bitfields. */
409 s4 nr; /* basic block number */
410 s4 flags; /* used during stack analysis, init with -1 */
411 s4 bitflags; /* OR of BBFLAG_... constants, init with 0 */
412 s4 type; /* basic block type (std, xhandler, subroutine*/
413 instruction *iinstr; /* pointer to intermediate code instructions */
414 s4 icount; /* number of intermediate code instructions */
415 s4 mpc; /* machine code pc at start of block */
416 stackptr instack; /* stack at begin of basic block */
417 stackptr *invars; /* array of in-variables at begin of block */
418 stackptr outstack; /* stack at end of basic block */
419 stackptr *outvars; /* array of out-variables at end of block */
420 s4 indepth; /* stack depth at begin of basic block */
421 s4 outdepth; /* stack depth end of basic block */
425 basicblock **predecessors; /* array of predecessor basic blocks */
426 basicblock **successors; /* array of successor basic blocks */
428 branchref *branchrefs; /* list of branches to be patched */
430 basicblock *next; /* used to build a BB list (instead of array) */
431 s4 lflags; /* used during loop copying, init with 0 */
432 basicblock *copied_to; /* points to the copy of this basic block */
433 /* when loop nodes are copied */
434 stackptr stack; /* start of stack array for this block */
435 /* (see doc/stack.txt) */
436 methodinfo *method; /* method this block belongs to */
440 /* Macro for initializing newly allocated basic block's. It does not
441 need to zero fields, as we zero out the whole basic block array. */
443 #define BASICBLOCK_INIT(bptr,m) \
447 bptr->type = BBTYPE_STD; \
448 bptr->method = (m); \
449 bptr->nr = (m)->c_debug_nr++; \
453 /* branchref *****************************************************************/
456 s4 branchpos; /* patching position in code segment */
457 branchref *next; /* next element in branchref list */
461 /********** op1 values for ACONST instructions ********************************/
463 #define ACONST_LOAD 0 /* ACONST_NULL or LDC instruction */
464 #define ACONST_BUILTIN 1 /* constant argument for a builtin function call */
467 /********** JavaVM operation codes (sorted) and instruction lengths ***********/
469 extern char *icmd_names[256];
470 extern char *opcode_names[256];
471 extern int jcommandsize[256];
476 #define JAVA_ACONST_NULL 1
477 #define ICMD_ACONST 1 /* val.a = constant */
479 #define JAVA_ICONST_M1 2
480 #define ICMD_CHECKNULL 2
482 #define JAVA_ICONST_0 3
483 #define ICMD_ICONST 3 /* val.i = constant */
485 #define JAVA_ICONST_1 4
486 #define ICMD_CHECKNULL_POP 4
488 #define JAVA_ICONST_2 5
489 #define ICMD_IDIVPOW2 5 /* val.i = constant */
491 #define JAVA_ICONST_3 6
492 #define ICMD_LDIVPOW2 6 /* val.l = constant */
494 #define JAVA_ICONST_4 7
496 #define JAVA_ICONST_5 8
498 #define JAVA_LCONST_0 9
499 #define ICMD_LCONST 9 /* val.l = constant */
501 #define JAVA_LCONST_1 10
502 #define ICMD_LCMPCONST 10 /* val.l = constant */
504 #define JAVA_FCONST_0 11
505 #define ICMD_FCONST 11 /* val.f = constant */
507 #define JAVA_FCONST_1 12
509 #define JAVA_FCONST_2 13
511 #define JAVA_DCONST_0 14
512 #define ICMD_DCONST 14 /* val.d = constant */
514 #define JAVA_DCONST_1 15
516 #define JAVA_BIPUSH 16
518 #define JAVA_SIPUSH 17
524 #define JAVA_LDC2W 20
526 /* order of LOAD instructions must be */
527 /* equal to order of TYPE_* defines */
528 #define JAVA_ILOAD 21
529 #define ICMD_ILOAD 21 /* op1 = local variable */
531 #define JAVA_LLOAD 22
532 #define ICMD_LLOAD 22 /* op1 = local variable */
534 #define JAVA_FLOAD 23
535 #define ICMD_FLOAD 23 /* op1 = local variable */
537 #define JAVA_DLOAD 24
538 #define ICMD_DLOAD 24 /* op1 = local variable */
540 #define JAVA_ALOAD 25
541 #define ICMD_ALOAD 25 /* op1 = local variable */
543 #define JAVA_ILOAD_0 26
544 #define ICMD_IADDCONST 26 /* val.i = constant */
546 #define JAVA_ILOAD_1 27
547 #define ICMD_ISUBCONST 27 /* val.i = constant */
549 #define JAVA_ILOAD_2 28
550 #define ICMD_IMULCONST 28 /* val.i = constant */
552 #define JAVA_ILOAD_3 29
553 #define ICMD_IANDCONST 29 /* val.i = constant */
555 #define JAVA_LLOAD_0 30
556 #define ICMD_IORCONST 30 /* val.i = constant */
558 #define JAVA_LLOAD_1 31
559 #define ICMD_IXORCONST 31 /* val.i = constant */
561 #define JAVA_LLOAD_2 32
562 #define ICMD_ISHLCONST 32 /* val.i = constant */
564 #define JAVA_LLOAD_3 33
565 #define ICMD_ISHRCONST 33 /* val.i = constant */
567 #define JAVA_FLOAD_0 34
568 #define ICMD_IUSHRCONST 34 /* val.i = constant */
570 #define JAVA_FLOAD_1 35
571 #define ICMD_IREMPOW2 35 /* val.i = constant */
573 #define JAVA_FLOAD_2 36
574 #define ICMD_LADDCONST 36 /* val.l = constant */
576 #define JAVA_FLOAD_3 37
577 #define ICMD_LSUBCONST 37 /* val.l = constant */
579 #define JAVA_DLOAD_0 38
580 #define ICMD_LMULCONST 38 /* val.l = constant */
582 #define JAVA_DLOAD_1 39
583 #define ICMD_LANDCONST 39 /* val.l = constant */
585 #define JAVA_DLOAD_2 40
586 #define ICMD_LORCONST 40 /* val.l = constant */
588 #define JAVA_DLOAD_3 41
589 #define ICMD_LXORCONST 41 /* val.l = constant */
591 #define JAVA_ALOAD_0 42
592 #define ICMD_LSHLCONST 42 /* val.l = constant */
594 #define JAVA_ALOAD_1 43
595 #define ICMD_LSHRCONST 43 /* val.l = constant */
597 #define JAVA_ALOAD_2 44
598 #define ICMD_LUSHRCONST 44 /* val.l = constant */
600 #define JAVA_ALOAD_3 45
601 #define ICMD_LREMPOW2 45 /* val.l = constant */
603 #define JAVA_IALOAD 46
604 #define ICMD_IALOAD 46
606 #define JAVA_LALOAD 47
607 #define ICMD_LALOAD 47
609 #define JAVA_FALOAD 48
610 #define ICMD_FALOAD 48
612 #define JAVA_DALOAD 49
613 #define ICMD_DALOAD 49
615 #define JAVA_AALOAD 50
616 #define ICMD_AALOAD 50
618 #define JAVA_BALOAD 51
619 #define ICMD_BALOAD 51
621 #define JAVA_CALOAD 52
622 #define ICMD_CALOAD 52
624 #define JAVA_SALOAD 53
625 #define ICMD_SALOAD 53
627 /* order of STORE instructions must be*/
628 /* equal to order of TYPE_* defines */
629 #define JAVA_ISTORE 54
630 #define ICMD_ISTORE 54 /* op1 = local variable */
632 #define JAVA_LSTORE 55
633 #define ICMD_LSTORE 55 /* op1 = local variable */
635 #define JAVA_FSTORE 56
636 #define ICMD_FSTORE 56 /* op1 = local variable */
638 #define JAVA_DSTORE 57
639 #define ICMD_DSTORE 57 /* op1 = local variable */
641 #define JAVA_ASTORE 58
642 #define ICMD_ASTORE 58 /* op1 = local variable */
644 #define JAVA_ISTORE_0 59
645 #define ICMD_IF_LEQ 59 /* op1 = target JavaVM pc, val.l */
647 #define JAVA_ISTORE_1 60
648 #define ICMD_IF_LNE 60 /* op1 = target JavaVM pc, val.l */
650 #define JAVA_ISTORE_2 61
651 #define ICMD_IF_LLT 61 /* op1 = target JavaVM pc, val.l */
653 #define JAVA_ISTORE_3 62
654 #define ICMD_IF_LGE 62 /* op1 = target JavaVM pc, val.l */
656 #define JAVA_LSTORE_0 63
657 #define ICMD_IF_LGT 63 /* op1 = target JavaVM pc, val.l */
659 #define JAVA_LSTORE_1 64
660 #define ICMD_IF_LLE 64 /* op1 = target JavaVM pc, val.l */
662 #define JAVA_LSTORE_2 65
663 #define ICMD_IF_LCMPEQ 65 /* op1 = target JavaVM pc */
665 #define JAVA_LSTORE_3 66
666 #define ICMD_IF_LCMPNE 66 /* op1 = target JavaVM pc */
668 #define JAVA_FSTORE_0 67
669 #define ICMD_IF_LCMPLT 67 /* op1 = target JavaVM pc */
671 #define JAVA_FSTORE_1 68
672 #define ICMD_IF_LCMPGE 68 /* op1 = target JavaVM pc */
674 #define JAVA_FSTORE_2 69
675 #define ICMD_IF_LCMPGT 69 /* op1 = target JavaVM pc */
677 #define JAVA_FSTORE_3 70
678 #define ICMD_IF_LCMPLE 70 /* op1 = target JavaVM pc */
680 #define JAVA_DSTORE_0 71
682 #define JAVA_DSTORE_1 72
684 #define JAVA_DSTORE_2 73
686 #define JAVA_DSTORE_3 74
688 #define JAVA_ASTORE_0 75
690 #define JAVA_ASTORE_1 76
692 #define JAVA_ASTORE_2 77
694 #define JAVA_ASTORE_3 78
696 #define JAVA_IASTORE 79
697 #define ICMD_IASTORE 79
699 #define JAVA_LASTORE 80
700 #define ICMD_LASTORE 80
702 #define JAVA_FASTORE 81
703 #define ICMD_FASTORE 81
705 #define JAVA_DASTORE 82
706 #define ICMD_DASTORE 82
708 #define JAVA_AASTORE 83
709 #define ICMD_AASTORE 83
711 #define JAVA_BASTORE 84
712 #define ICMD_BASTORE 84
714 #define JAVA_CASTORE 85
715 #define ICMD_CASTORE 85
717 #define JAVA_SASTORE 86
718 #define ICMD_SASTORE 86
729 #define JAVA_DUP_X1 90
730 #define ICMD_DUP_X1 90
732 #define JAVA_DUP_X2 91
733 #define ICMD_DUP_X2 91
738 #define JAVA_DUP2_X1 93
739 #define ICMD_DUP2_X1 93
741 #define JAVA_DUP2_X2 94
742 #define ICMD_DUP2_X2 94
759 #define JAVA_ISUB 100
760 #define ICMD_ISUB 100
762 #define JAVA_LSUB 101
763 #define ICMD_LSUB 101
765 #define JAVA_FSUB 102
766 #define ICMD_FSUB 102
768 #define JAVA_DSUB 103
769 #define ICMD_DSUB 103
771 #define JAVA_IMUL 104
772 #define ICMD_IMUL 104
774 #define JAVA_LMUL 105
775 #define ICMD_LMUL 105
777 #define JAVA_FMUL 106
778 #define ICMD_FMUL 106
780 #define JAVA_DMUL 107
781 #define ICMD_DMUL 107
783 #define JAVA_IDIV 108
784 #define ICMD_IDIV 108
786 #define JAVA_LDIV 109
787 #define ICMD_LDIV 109
789 #define JAVA_FDIV 110
790 #define ICMD_FDIV 110
792 #define JAVA_DDIV 111
793 #define ICMD_DDIV 111
795 #define JAVA_IREM 112
796 #define ICMD_IREM 112
798 #define JAVA_LREM 113
799 #define ICMD_LREM 113
801 #define JAVA_FREM 114
802 #define ICMD_FREM 114
804 #define JAVA_DREM 115
805 #define ICMD_DREM 115
807 #define JAVA_INEG 116
808 #define ICMD_INEG 116
810 #define JAVA_LNEG 117
811 #define ICMD_LNEG 117
813 #define JAVA_FNEG 118
814 #define ICMD_FNEG 118
816 #define JAVA_DNEG 119
817 #define ICMD_DNEG 119
819 #define JAVA_ISHL 120
820 #define ICMD_ISHL 120
822 #define JAVA_LSHL 121
823 #define ICMD_LSHL 121
825 #define JAVA_ISHR 122
826 #define ICMD_ISHR 122
828 #define JAVA_LSHR 123
829 #define ICMD_LSHR 123
831 #define JAVA_IUSHR 124
832 #define ICMD_IUSHR 124
834 #define JAVA_LUSHR 125
835 #define ICMD_LUSHR 125
837 #define JAVA_IAND 126
838 #define ICMD_IAND 126
840 #define JAVA_LAND 127
841 #define ICMD_LAND 127
849 #define JAVA_IXOR 130
850 #define ICMD_IXOR 130
852 #define JAVA_LXOR 131
853 #define ICMD_LXOR 131
855 #define JAVA_IINC 132
856 #define ICMD_IINC 132 /* op1 = local variable, val.i = constant */
894 #define JAVA_INT2BYTE 145
895 #define ICMD_INT2BYTE 145
897 #define JAVA_INT2CHAR 146
898 #define ICMD_INT2CHAR 146
900 #define JAVA_INT2SHORT 147
901 #define ICMD_INT2SHORT 147
903 #define JAVA_LCMP 148
904 #define ICMD_LCMP 148
906 #define JAVA_FCMPL 149
907 #define ICMD_FCMPL 149
909 #define JAVA_FCMPG 150
910 #define ICMD_FCMPG 150
912 #define JAVA_DCMPL 151
913 #define ICMD_DCMPL 151
915 #define JAVA_DCMPG 152
916 #define ICMD_DCMPG 152
918 #define JAVA_IFEQ 153
919 #define ICMD_IFEQ 153 /* op1 = target JavaVM pc, val.i */
921 #define JAVA_IFNE 154
922 #define ICMD_IFNE 154 /* op1 = target JavaVM pc, val.i */
924 #define JAVA_IFLT 155
925 #define ICMD_IFLT 155 /* op1 = target JavaVM pc, val.i */
927 #define JAVA_IFGE 156
928 #define ICMD_IFGE 156 /* op1 = target JavaVM pc, val.i */
930 #define JAVA_IFGT 157
931 #define ICMD_IFGT 157 /* op1 = target JavaVM pc, val.i */
933 #define JAVA_IFLE 158
934 #define ICMD_IFLE 158 /* op1 = target JavaVM pc, val.i */
936 #define JAVA_IF_ICMPEQ 159
937 #define ICMD_IF_ICMPEQ 159 /* op1 = target JavaVM pc */
939 #define JAVA_IF_ICMPNE 160
940 #define ICMD_IF_ICMPNE 160 /* op1 = target JavaVM pc */
942 #define JAVA_IF_ICMPLT 161
943 #define ICMD_IF_ICMPLT 161 /* op1 = target JavaVM pc */
945 #define JAVA_IF_ICMPGE 162
946 #define ICMD_IF_ICMPGE 162 /* op1 = target JavaVM pc */
948 #define JAVA_IF_ICMPGT 163
949 #define ICMD_IF_ICMPGT 163 /* op1 = target JavaVM pc */
951 #define JAVA_IF_ICMPLE 164
952 #define ICMD_IF_ICMPLE 164 /* op1 = target JavaVM pc */
954 #define JAVA_IF_ACMPEQ 165
955 #define ICMD_IF_ACMPEQ 165 /* op1 = target JavaVM pc */
957 #define JAVA_IF_ACMPNE 166
958 #define ICMD_IF_ACMPNE 166 /* op1 = target JavaVM pc */
960 #define JAVA_GOTO 167
961 #define ICMD_GOTO 167 /* op1 = target JavaVM pc */
964 #define ICMD_JSR 168 /* op1 = target JavaVM pc */
967 #define ICMD_RET 169 /* op1 = local variable */
969 #define JAVA_TABLESWITCH 170
970 #define ICMD_TABLESWITCH 170 /* val.a = pointer to s4 table */
971 /* length must be computed */
972 #define JAVA_LOOKUPSWITCH 171
973 #define ICMD_LOOKUPSWITCH 171 /* val.a = pointer to s4 table */
974 /* length must be computed */
975 #define JAVA_IRETURN 172
976 #define ICMD_IRETURN 172
978 #define JAVA_LRETURN 173
979 #define ICMD_LRETURN 173
981 #define JAVA_FRETURN 174
982 #define ICMD_FRETURN 174
984 #define JAVA_DRETURN 175
985 #define ICMD_DRETURN 175
987 #define JAVA_ARETURN 176
988 #define ICMD_ARETURN 176
990 #define JAVA_RETURN 177
991 #define ICMD_RETURN 177
993 #define JAVA_GETSTATIC 178
994 #define ICMD_GETSTATIC 178 /* op1 = type, val.a = field address */
996 #define JAVA_PUTSTATIC 179
997 #define ICMD_PUTSTATIC 179 /* op1 = type, val.a = field address */
999 #define JAVA_GETFIELD 180
1000 #define ICMD_GETFIELD 180 /* op1 = type, val.i = field offset */
1002 #define JAVA_PUTFIELD 181
1003 #define ICMD_PUTFIELD 181 /* op1 = type, val.i = field offset */
1005 #define JAVA_INVOKEVIRTUAL 182
1006 #define ICMD_INVOKEVIRTUAL 182 /* val.a = method info pointer */
1008 #define JAVA_INVOKESPECIAL 183
1009 #define ICMD_INVOKESPECIAL 183 /* val.a = method info pointer */
1011 #define JAVA_INVOKESTATIC 184
1012 #define ICMD_INVOKESTATIC 184 /* val.a = method info pointer */
1014 #define JAVA_INVOKEINTERFACE 185
1015 #define ICMD_INVOKEINTERFACE 185 /* val.a = method info pointer */
1019 #define JAVA_NEW 187
1020 #define ICMD_NEW 187 /* op1 = 1, val.a = class pointer */
1022 #define JAVA_NEWARRAY 188
1023 #define ICMD_NEWARRAY 188 /* op1 = basic type */
1025 #define JAVA_ANEWARRAY 189
1026 #define ICMD_ANEWARRAY 189 /* op1 = 0, val.a = array pointer */
1027 /* op1 = 1, val.a = class pointer */
1028 #define JAVA_ARRAYLENGTH 190
1029 #define ICMD_ARRAYLENGTH 190
1031 #define JAVA_ATHROW 191
1032 #define ICMD_ATHROW 191
1034 #define JAVA_CHECKCAST 192
1035 #define ICMD_CHECKCAST 192 /* op1 = 0, val.a = array pointer */
1036 /* op1 = 1, val.a = class pointer */
1037 #define JAVA_INSTANCEOF 193
1038 #define ICMD_INSTANCEOF 193 /* op1 = 0, val.a = array pointer */
1039 /* op1 = 1, val.a = class pointer */
1040 #define JAVA_MONITORENTER 194
1041 #define ICMD_MONITORENTER 194
1043 #define JAVA_MONITOREXIT 195
1044 #define ICMD_MONITOREXIT 195
1046 #define JAVA_WIDE 196
1048 #define JAVA_MULTIANEWARRAY 197
1049 #define ICMD_MULTIANEWARRAY 197 /* op1 = dimension, val.a = array */
1051 #define JAVA_IFNULL 198
1052 #define ICMD_IFNULL 198 /* op1 = target JavaVM pc */
1054 #define JAVA_IFNONNULL 199
1055 #define ICMD_IFNONNULL 199 /* op1 = target JavaVM pc */
1057 #define JAVA_GOTO_W 200
1059 #define JAVA_JSR_W 201
1061 #define JAVA_BREAKPOINT 202
1065 #define ICMD_IASTORECONST 204
1066 #define ICMD_LASTORECONST 205
1067 #define ICMD_FASTORECONST 206
1068 #define ICMD_DASTORECONST 207
1069 #define ICMD_AASTORECONST 208
1070 #define ICMD_BASTORECONST 209
1071 #define ICMD_CASTORECONST 210
1072 #define ICMD_SASTORECONST 211
1074 #define ICMD_PUTSTATICCONST 212
1075 #define ICMD_PUTFIELDCONST 213
1077 #define ICMD_IMULPOW2 214
1078 #define ICMD_LMULPOW2 215
1080 #define ICMD_IF_FCMPEQ 216
1081 #define ICMD_IF_FCMPNE 217
1083 #define ICMD_IF_FCMPL_LT 218
1084 #define ICMD_IF_FCMPL_GE 219
1085 #define ICMD_IF_FCMPL_GT 220
1086 #define ICMD_IF_FCMPL_LE 221
1088 #define ICMD_IF_FCMPG_LT 222
1089 #define ICMD_IF_FCMPG_GE 223
1090 #define ICMD_IF_FCMPG_GT 224
1091 #define ICMD_IF_FCMPG_LE 225
1093 #define ICMD_IF_DCMPEQ 226
1094 #define ICMD_IF_DCMPNE 227
1096 #define ICMD_IF_DCMPL_LT 228
1097 #define ICMD_IF_DCMPL_GE 229
1098 #define ICMD_IF_DCMPL_GT 230
1099 #define ICMD_IF_DCMPL_LE 231
1101 #define ICMD_IF_DCMPG_LT 232
1102 #define ICMD_IF_DCMPG_GE 233
1103 #define ICMD_IF_DCMPG_GT 234
1104 #define ICMD_IF_DCMPG_LE 235
1106 #define ICMD_INLINE_START 251 /* instruction before inlined method */
1107 #define ICMD_INLINE_END 252 /* instruction after inlined method */
1108 #define ICMD_INLINE_GOTO 253 /* jump to caller of inlined method */
1110 #define ICMD_BUILTIN 255 /* internal opcode */
1113 /******************* description of JavaVM instructions ***********************/
1117 /***************************** register types *********************************/
1119 #define REG_RES 0 /* reserved register for OS or code generator */
1120 #define REG_RET 1 /* return value register */
1121 #define REG_EXC 2 /* exception value register */
1122 #define REG_SAV 3 /* (callee) saved register */
1123 #define REG_TMP 4 /* scratch temporary register (caller saved) */
1124 #define REG_ARG 5 /* argument register (caller saved) */
1126 #define REG_END -1 /* last entry in tables */
1128 #define PARAMMODE_NUMBERED 0
1129 #define PARAMMODE_STUFFED 1
1132 /***************************** register info block ****************************/
1134 extern int stackreq[256];
1135 /* extern int op_needs_saved[256]; */
1136 /* extern int op_is_pei[256]; */
1137 #define NEEDS_SAVED 0
1139 #define OP_DATA_SIZE 2
1140 extern int op_data[256][OP_DATA_SIZE];
1141 /* [0..255][NEEDS_SAVED] ... if ICMD needs a SAVEDVAR */
1142 /* [0..255][PEI] ... if ICMD could throw an exception */
1144 /* function prototypes ********************************************************/
1146 /* compiler initialisation */
1147 void jit_init(void);
1149 /* compiler finalisation */
1150 void jit_close(void);
1152 /* compile a method with jit compiler */
1153 u1 *jit_compile(methodinfo *m);
1154 u1 *jit_recompile(methodinfo *m);
1156 /* patch the method entrypoint */
1157 u1 *jit_asm_compile(methodinfo *m, u1 *mptr, u1 *sp, u1 *ra);
1159 s4 jit_complement_condition(s4 opcode);
1161 /* machine dependent functions */
1162 #if defined(ENABLE_JIT)
1165 u1 *md_get_method_patch_address(u1 *ra, stackframeinfo *sfi, u1 *mptr);
1167 void md_cacheflush(u1 *addr, s4 nbytes);
1168 void md_icacheflush(u1 *addr, s4 nbytes);
1169 void md_dcacheflush(u1 *addr, s4 nbytes);
1172 #if defined(ENABLE_INTRP)
1173 void intrp_md_init(void);
1180 * These are local overrides for various environment variables in Emacs.
1181 * Please do not remove this and leave it at the end of the file, where
1182 * Emacs will automagically detect them.
1183 * ---------------------------------------------------------------------
1186 * indent-tabs-mode: t
1190 * vim:noexpandtab:sw=4:ts=4: