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 5445 2006-09-09 19:37:19Z edwin $
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 */
91 typedef struct interface_info interface_info;
93 struct interface_info {
99 /* jitdata ********************************************************************/
102 methodinfo *m; /* methodinfo of the method compiled */
106 #if defined(ENABLE_LOOP)
109 #if defined(ENABLE_SSA) || defined(ENABLE_LSRA)
113 u4 flags; /* contains JIT compiler flags */
114 bool isleafmethod; /* does method call subroutines */
116 instruction *new_instructions;
117 basicblock *new_basicblocks;
118 s4 *new_basicblockindex;
119 stackelement *new_stack;
120 s4 new_instructioncount;
121 s4 new_basicblockcount;
130 s4 *local_map; /* internal structure to rename(de-coallesc) locals */
131 /* and keep the coalescing info for simplereg. */
132 /* local_map[local_index * 5 + local_type] = */
133 /* new_index in rd->var or UNUSED */
134 interface_info *interface_map;
139 #define JITDATA_FLAG_PARSE 0x00000001
140 #define JITDATA_FLAG_VERIFY 0x00000002
142 #define JITDATA_FLAG_INSTRUMENT 0x00000004
144 #define JITDATA_FLAG_IFCONV 0x00000008
145 #define JITDATA_FLAG_REORDER 0x00000010
147 #define JITDATA_FLAG_SHOWINTERMEDIATE 0x20000000
148 #define JITDATA_FLAG_SHOWDISASSEMBLE 0x40000000
149 #define JITDATA_FLAG_VERBOSECALL 0x80000000
152 #define JITDATA_HAS_FLAG_PARSE(jd) \
153 ((jd)->flags & JITDATA_FLAG_PARSE)
155 #define JITDATA_HAS_FLAG_VERIFY(jd) \
156 ((jd)->flags & JITDATA_FLAG_VERIFY)
158 #define JITDATA_HAS_FLAG_INSTRUMENT(jd) \
159 ((jd)->flags & JITDATA_FLAG_INSTRUMENT)
161 #define JITDATA_HAS_FLAG_IFCONV(jd) \
162 ((jd)->flags & JITDATA_FLAG_IFCONV)
164 #define JITDATA_HAS_FLAG_REORDER(jd) \
165 ((jd)->flags & JITDATA_FLAG_REORDER)
167 #define JITDATA_HAS_FLAG_SHOWINTERMEDIATE(jd) \
168 ((jd)->flags & JITDATA_FLAG_SHOWINTERMEDIATE)
170 #define JITDATA_HAS_FLAG_SHOWDISASSEMBLE(jd) \
171 ((jd)->flags & JITDATA_FLAG_SHOWDISASSEMBLE)
173 #define JITDATA_HAS_FLAG_VERBOSECALL(jd) \
174 ((jd)->flags & JITDATA_FLAG_VERBOSECALL)
177 /* stack element structure ****************************************************/
181 #define SAVEDVAR 1 /* variable has to survive method invocations */
182 #define INMEMORY 2 /* variable stored in memory */
183 #define SAVEDTMP 4 /* temporary variable using a saved register */
184 #define TMPARG 8 /* temporary variable using a arg register */
185 #define STCOPY 16 /* there is another stackslot alive "below" */
186 /* using the same register/memory location */
187 #define STKEEP 32 /* to prevent reg_mark_copy to free this */
189 #define PREALLOC 64 /* preallocated var like for ARGVARS. Used */
190 /* with the new var system */
191 #define OUTVAR 128 /* STACKVR flag for new var system */
193 #define IS_SAVEDVAR(x) ((x) & SAVEDVAR)
194 #define IS_INMEMORY(x) ((x) & INMEMORY)
199 #define UNDEFVAR 0 /* stack slot will become temp during regalloc*/
200 #define TEMPVAR 1 /* stack slot is temp register */
201 #define STACKVAR 2 /* stack slot is numbered stack slot */
202 #define LOCALVAR 3 /* stack slot is local variable */
203 #define ARGVAR 4 /* stack slot is argument variable */
206 struct stackelement {
207 stackptr prev; /* pointer to next element towards bottom */
208 instruction *creator; /* instruction that created this element */
209 s4 type; /* slot type of stack element */
210 #ifdef ENABLE_VERIFIER
211 typeinfo typeinfo; /* info on reference types */
213 s4 flags; /* flags (SAVED, INMEMORY) */
214 s4 varkind; /* kind of variable or register */
215 s4 varnum; /* number of variable */
216 s4 regoff; /* register number or memory offset */
220 /**************************** instruction structure ***************************/
222 /* branch_target_t: used in TABLESWITCH tables */
225 s4 insindex; /* used between parse and stack */
226 basicblock *block; /* used from stack analysis onwards */
229 /* lookup_target_t: used in LOOKUPSWITCH tables */
232 s4 value; /* case value */
233 branch_target_t target; /* branch target, see above */
248 classref_or_classinfo c;
249 unresolved_class *uc;
250 ptrint constval; /* for PUT*CONST */
251 s4 tablelow; /* for TABLESWITCH */
252 u4 lookupcount; /* for LOOKUPSWITCH */
260 classref_or_classinfo c;
261 constant_FMIref *fmiref;
262 unresolved_method *um;
263 unresolved_field *uf;
264 insinfo_inline *inlineinfo; /* for INLINE_START/END */
265 s4 tablehigh; /* for TABLESWITCH */
266 branch_target_t lookupdefault; /* for LOOKUPSWITCH */
267 branch_target_t jsrtarget; /* for JSR */
268 struct builtintable_entry *bte;
271 /*** val operand ***/
279 java_objectheader *stringconst; /* for ACONST with string */
280 classref_or_classinfo c; /* for ACONST with class */
283 /*** dst operand ***/
287 basicblock *block; /* valid after stack analysis */
288 branch_target_t *table; /* for TABLESWITCH */
289 lookup_target_t *lookup; /* for LOOKUPSWITCH */
290 s4 insindex; /* used between parse and stack */
293 /*** flags (32 bits) ***/
295 #define INS_FLAG_UNRESOLVED 0x01 /* contains unresolved field/meth/class*/
296 #define INS_FLAG_CLASS 0x02 /* for ACONST with class */
297 #define INS_FLAG_ARRAY 0x04 /* for CHECKCAST/INSTANCEOF with array */
298 #define INS_FLAG_CHECK 0x08 /* for *ALOAD|*ASTORE: check index */
299 /* for BUILTIN: check exception */
303 struct { /* fields: */
306 u1 type; /* TYPE_* constant for fields */
307 u1 argcount; /* XXX does u1 suffice? */
308 /* for MULTIANEWARRAY and */
310 } f; /* XXX these could be made smaller */
311 /* only MULTIANEWARRAY needs the argcount */
315 bool unresolved:1; /* field/method is unresolved */
316 bool nocheck :1; /* don't check array access */
317 bool branch :1; /* branch to dst.target */
328 /*** instruction ***/
330 /* The instruction format for the intermediate representation: */
334 u2 line; /* line number */
335 #if SIZEOF_VOID_P == 8
336 flags_operand_t flags; /* 4 bytes */
338 s1_operand_t s1; /* pointer-size */
341 s2_operand_t s2; /* pointer-size */
342 s3_operand_t s3; /* pointer-size */
344 val_operand_t val; /* long-size */
346 dst_operand_t dst; /* pointer-size */
347 #if SIZEOF_VOID_P == 4
348 flags_operand_t flags; /* 4 bytes */
353 #define INSTRUCTION_IS_RESOLVED(iptr) \
354 (!((iptr)->flags.bits & INS_FLAG_UNRESOLVED))
356 #define INSTRUCTION_IS_UNRESOLVED(iptr) \
357 ((iptr)->flags.bits & INS_FLAG_UNRESOLVED)
359 #define INSTRUCTION_MUST_CHECK(iptr) \
360 ((iptr)->flags.bits & INS_FLAG_CHECK)
362 #define INSTRUCTION_GET_FIELDREF(iptr,fref) \
364 if (iptr->flags.bits & INS_FLAG_UNRESOLVED) \
365 fref = iptr->sx.s23.s3.uf->fieldref; \
367 fref = iptr->sx.s23.s3.fmiref; \
370 #define INSTRUCTION_GET_METHODREF(iptr,mref) \
372 if (iptr->flags.bits & INS_FLAG_UNRESOLVED) \
373 mref = iptr->sx.s23.s3.um->methodref; \
375 mref = iptr->sx.s23.s3.fmiref; \
378 #define INSTRUCTION_GET_METHODDESC(iptr, md) \
380 if (iptr->flags.bits & INS_FLAG_UNRESOLVED) \
381 md = iptr->sx.s23.s3.um->methodref->parseddesc.md; \
383 md = iptr->sx.s23.s3.fmiref->parseddesc.md; \
387 /* additional info structs for special instructions ***************************/
389 /* for ICMD_INLINE_START and ICMD_INLINE_END */
391 struct insinfo_inline {
392 methodinfo *method; /* the inlined method starting/ending here */
393 methodinfo *outer; /* the outer method suspended/resumed here */
394 s4 startmpc; /* machine code offset of start of inlining */
395 s4 synclocal; /* local index used for synchronization */
396 bool synchronize; /* true if synchronization is needed */
399 /* basicblock *****************************************************************/
408 #define BBTYPECHECK_UNDEF 2
409 #define BBTYPECHECK_REACHED 3
411 #define BBTYPE_STD 0 /* standard basic block type */
412 #define BBTYPE_EXH 1 /* exception handler basic block type */
413 #define BBTYPE_SBR 2 /* subroutine basic block type */
415 #define BBFLAG_REPLACEMENT 0x01 /* put a replacement point at the start */
417 /* XXX basicblock wastes quite a lot of memory by having four flag fields */
418 /* (flags, bitflags, type and lflags). Probably the last three could be */
419 /* combined without loss of efficiency. The first one could be combined with */
420 /* the others by using bitfields. */
422 /* XXX "flags" should probably be called "state", as it is an integer state */
425 s4 nr; /* basic block number */
426 s4 flags; /* used during stack analysis, init with -1 */
427 s4 bitflags; /* OR of BBFLAG_... constants, init with 0 */
428 s4 type; /* basic block type (std, xhandler, subroutine*/
429 s4 lflags; /* used during loop copying, init with 0 */
431 s4 icount; /* number of intermediate code instructions */
432 instruction *iinstr; /* pointer to intermediate code instructions */
434 stackptr instack; /* stack at begin of basic block */
435 stackptr outstack; /* stack at end of basic block */
436 s4 *invars; /* array of in-variables at begin of block */
437 s4 *outvars; /* array of out-variables at end of block */
438 s4 indepth; /* stack depth at begin of basic block */
439 s4 outdepth; /* stack depth end of basic block */
440 s4 varstart; /* index of first non-invar block variable */
441 s4 varcount; /* number of non-invar block variables */
445 basicblock **predecessors; /* array of predecessor basic blocks */
446 basicblock **successors; /* array of successor basic blocks */
448 branchref *branchrefs; /* list of branches to be patched */
450 basicblock *next; /* used to build a BB list (instead of array) */
451 basicblock *copied_to; /* points to the copy of this basic block */
452 /* when loop nodes are copied */
453 methodinfo *method; /* method this block belongs to */
455 s4 mpc; /* machine code pc at start of block */
459 /* Macro for initializing newly allocated basic block's. It does not
460 need to zero fields, as we zero out the whole basic block array. */
462 #define BASICBLOCK_INIT(bptr,m) \
466 bptr->type = BBTYPE_STD; \
467 bptr->method = (m); \
468 bptr->nr = (m)->c_debug_nr++; \
472 /* branchref *****************************************************************/
475 s4 branchpos; /* patching position in code segment */
476 branchref *next; /* next element in branchref list */
480 /********** op1 values for ACONST instructions ********************************/
482 #define ACONST_LOAD 0 /* ACONST_NULL or LDC instruction */
483 #define ACONST_BUILTIN 1 /* constant argument for a builtin function call */
486 /********** JavaVM operation codes (sorted) and instruction lengths ***********/
488 extern char *icmd_names[256];
489 extern char *opcode_names[256];
490 extern int jcommandsize[256];
495 #define JAVA_ACONST_NULL 1
496 #define ICMD_ACONST 1 /* val.a = constant */
498 #define JAVA_ICONST_M1 2
499 #define ICMD_CHECKNULL 2
501 #define JAVA_ICONST_0 3
502 #define ICMD_ICONST 3 /* val.i = constant */
504 #define JAVA_ICONST_1 4
505 #define ICMD_CHECKNULL_POP 4
507 #define JAVA_ICONST_2 5
508 #define ICMD_IDIVPOW2 5 /* val.i = constant */
510 #define JAVA_ICONST_3 6
511 #define ICMD_LDIVPOW2 6 /* val.l = constant */
513 #define JAVA_ICONST_4 7
515 #define JAVA_ICONST_5 8
517 #define JAVA_LCONST_0 9
518 #define ICMD_LCONST 9 /* val.l = constant */
520 #define JAVA_LCONST_1 10
521 #define ICMD_LCMPCONST 10 /* val.l = constant */
523 #define JAVA_FCONST_0 11
524 #define ICMD_FCONST 11 /* val.f = constant */
526 #define JAVA_FCONST_1 12
528 #define JAVA_FCONST_2 13
530 #define JAVA_DCONST_0 14
531 #define ICMD_DCONST 14 /* val.d = constant */
533 #define JAVA_DCONST_1 15
536 #define JAVA_BIPUSH 16
539 #define JAVA_SIPUSH 17
545 #define JAVA_LDC2W 20
547 /* order of LOAD instructions must be */
548 /* equal to order of TYPE_* defines */
549 #define JAVA_ILOAD 21
550 #define ICMD_ILOAD 21 /* op1 = local variable */
552 #define JAVA_LLOAD 22
553 #define ICMD_LLOAD 22 /* op1 = local variable */
555 #define JAVA_FLOAD 23
556 #define ICMD_FLOAD 23 /* op1 = local variable */
558 #define JAVA_DLOAD 24
559 #define ICMD_DLOAD 24 /* op1 = local variable */
561 #define JAVA_ALOAD 25
562 #define ICMD_ALOAD 25 /* op1 = local variable */
564 #define JAVA_ILOAD_0 26
565 #define ICMD_IADDCONST 26 /* val.i = constant */
567 #define JAVA_ILOAD_1 27
568 #define ICMD_ISUBCONST 27 /* val.i = constant */
570 #define JAVA_ILOAD_2 28
571 #define ICMD_IMULCONST 28 /* val.i = constant */
573 #define JAVA_ILOAD_3 29
574 #define ICMD_IANDCONST 29 /* val.i = constant */
576 #define JAVA_LLOAD_0 30
577 #define ICMD_IORCONST 30 /* val.i = constant */
579 #define JAVA_LLOAD_1 31
580 #define ICMD_IXORCONST 31 /* val.i = constant */
582 #define JAVA_LLOAD_2 32
583 #define ICMD_ISHLCONST 32 /* val.i = constant */
585 #define JAVA_LLOAD_3 33
586 #define ICMD_ISHRCONST 33 /* val.i = constant */
588 #define JAVA_FLOAD_0 34
589 #define ICMD_IUSHRCONST 34 /* val.i = constant */
591 #define JAVA_FLOAD_1 35
592 #define ICMD_IREMPOW2 35 /* val.i = constant */
594 #define JAVA_FLOAD_2 36
595 #define ICMD_LADDCONST 36 /* val.l = constant */
597 #define JAVA_FLOAD_3 37
598 #define ICMD_LSUBCONST 37 /* val.l = constant */
600 #define JAVA_DLOAD_0 38
601 #define ICMD_LMULCONST 38 /* val.l = constant */
603 #define JAVA_DLOAD_1 39
604 #define ICMD_LANDCONST 39 /* val.l = constant */
606 #define JAVA_DLOAD_2 40
607 #define ICMD_LORCONST 40 /* val.l = constant */
609 #define JAVA_DLOAD_3 41
610 #define ICMD_LXORCONST 41 /* val.l = constant */
612 #define JAVA_ALOAD_0 42
613 #define ICMD_LSHLCONST 42 /* val.l = constant */
615 #define JAVA_ALOAD_1 43
616 #define ICMD_LSHRCONST 43 /* val.l = constant */
618 #define JAVA_ALOAD_2 44
619 #define ICMD_LUSHRCONST 44 /* val.l = constant */
621 #define JAVA_ALOAD_3 45
622 #define ICMD_LREMPOW2 45 /* val.l = constant */
624 #define JAVA_IALOAD 46
625 #define ICMD_IALOAD 46
627 #define JAVA_LALOAD 47
628 #define ICMD_LALOAD 47
630 #define JAVA_FALOAD 48
631 #define ICMD_FALOAD 48
633 #define JAVA_DALOAD 49
634 #define ICMD_DALOAD 49
636 #define JAVA_AALOAD 50
637 #define ICMD_AALOAD 50
639 #define JAVA_BALOAD 51
640 #define ICMD_BALOAD 51
642 #define JAVA_CALOAD 52
643 #define ICMD_CALOAD 52
645 #define JAVA_SALOAD 53
646 #define ICMD_SALOAD 53
648 /* order of STORE instructions must be*/
649 /* equal to order of TYPE_* defines */
650 #define JAVA_ISTORE 54
651 #define ICMD_ISTORE 54 /* op1 = local variable */
653 #define JAVA_LSTORE 55
654 #define ICMD_LSTORE 55 /* op1 = local variable */
656 #define JAVA_FSTORE 56
657 #define ICMD_FSTORE 56 /* op1 = local variable */
659 #define JAVA_DSTORE 57
660 #define ICMD_DSTORE 57 /* op1 = local variable */
662 #define JAVA_ASTORE 58
663 #define ICMD_ASTORE 58 /* op1 = local variable */
665 #define JAVA_ISTORE_0 59
666 #define ICMD_IF_LEQ 59 /* op1 = target JavaVM pc, val.l */
668 #define JAVA_ISTORE_1 60
669 #define ICMD_IF_LNE 60 /* op1 = target JavaVM pc, val.l */
671 #define JAVA_ISTORE_2 61
672 #define ICMD_IF_LLT 61 /* op1 = target JavaVM pc, val.l */
674 #define JAVA_ISTORE_3 62
675 #define ICMD_IF_LGE 62 /* op1 = target JavaVM pc, val.l */
677 #define JAVA_LSTORE_0 63
678 #define ICMD_IF_LGT 63 /* op1 = target JavaVM pc, val.l */
680 #define JAVA_LSTORE_1 64
681 #define ICMD_IF_LLE 64 /* op1 = target JavaVM pc, val.l */
683 #define JAVA_LSTORE_2 65
684 #define ICMD_IF_LCMPEQ 65 /* op1 = target JavaVM pc */
686 #define JAVA_LSTORE_3 66
687 #define ICMD_IF_LCMPNE 66 /* op1 = target JavaVM pc */
689 #define JAVA_FSTORE_0 67
690 #define ICMD_IF_LCMPLT 67 /* op1 = target JavaVM pc */
692 #define JAVA_FSTORE_1 68
693 #define ICMD_IF_LCMPGE 68 /* op1 = target JavaVM pc */
695 #define JAVA_FSTORE_2 69
696 #define ICMD_IF_LCMPGT 69 /* op1 = target JavaVM pc */
698 #define JAVA_FSTORE_3 70
699 #define ICMD_IF_LCMPLE 70 /* op1 = target JavaVM pc */
701 #define JAVA_DSTORE_0 71
703 #define JAVA_DSTORE_1 72
705 #define JAVA_DSTORE_2 73
707 #define JAVA_DSTORE_3 74
709 #define JAVA_ASTORE_0 75
711 #define JAVA_ASTORE_1 76
713 #define JAVA_ASTORE_2 77
715 #define JAVA_ASTORE_3 78
717 #define JAVA_IASTORE 79
718 #define ICMD_IASTORE 79
720 #define JAVA_LASTORE 80
721 #define ICMD_LASTORE 80
723 #define JAVA_FASTORE 81
724 #define ICMD_FASTORE 81
726 #define JAVA_DASTORE 82
727 #define ICMD_DASTORE 82
729 #define JAVA_AASTORE 83
730 #define ICMD_AASTORE 83
732 #define JAVA_BASTORE 84
733 #define ICMD_BASTORE 84
735 #define JAVA_CASTORE 85
736 #define ICMD_CASTORE 85
738 #define JAVA_SASTORE 86
739 #define ICMD_SASTORE 86
750 #define JAVA_DUP_X1 90
751 #define ICMD_DUP_X1 90
753 #define JAVA_DUP_X2 91
754 #define ICMD_DUP_X2 91
759 #define JAVA_DUP2_X1 93
760 #define ICMD_DUP2_X1 93
762 #define JAVA_DUP2_X2 94
763 #define ICMD_DUP2_X2 94
780 #define JAVA_ISUB 100
781 #define ICMD_ISUB 100
783 #define JAVA_LSUB 101
784 #define ICMD_LSUB 101
786 #define JAVA_FSUB 102
787 #define ICMD_FSUB 102
789 #define JAVA_DSUB 103
790 #define ICMD_DSUB 103
792 #define JAVA_IMUL 104
793 #define ICMD_IMUL 104
795 #define JAVA_LMUL 105
796 #define ICMD_LMUL 105
798 #define JAVA_FMUL 106
799 #define ICMD_FMUL 106
801 #define JAVA_DMUL 107
802 #define ICMD_DMUL 107
804 #define JAVA_IDIV 108
805 #define ICMD_IDIV 108
807 #define JAVA_LDIV 109
808 #define ICMD_LDIV 109
810 #define JAVA_FDIV 110
811 #define ICMD_FDIV 110
813 #define JAVA_DDIV 111
814 #define ICMD_DDIV 111
816 #define JAVA_IREM 112
817 #define ICMD_IREM 112
819 #define JAVA_LREM 113
820 #define ICMD_LREM 113
822 #define JAVA_FREM 114
823 #define ICMD_FREM 114
825 #define JAVA_DREM 115
826 #define ICMD_DREM 115
828 #define JAVA_INEG 116
829 #define ICMD_INEG 116
831 #define JAVA_LNEG 117
832 #define ICMD_LNEG 117
834 #define JAVA_FNEG 118
835 #define ICMD_FNEG 118
837 #define JAVA_DNEG 119
838 #define ICMD_DNEG 119
840 #define JAVA_ISHL 120
841 #define ICMD_ISHL 120
843 #define JAVA_LSHL 121
844 #define ICMD_LSHL 121
846 #define JAVA_ISHR 122
847 #define ICMD_ISHR 122
849 #define JAVA_LSHR 123
850 #define ICMD_LSHR 123
852 #define JAVA_IUSHR 124
853 #define ICMD_IUSHR 124
855 #define JAVA_LUSHR 125
856 #define ICMD_LUSHR 125
858 #define JAVA_IAND 126
859 #define ICMD_IAND 126
861 #define JAVA_LAND 127
862 #define ICMD_LAND 127
870 #define JAVA_IXOR 130
871 #define ICMD_IXOR 130
873 #define JAVA_LXOR 131
874 #define ICMD_LXOR 131
876 #define JAVA_IINC 132
877 #define ICMD_IINC 132 /* op1 = local variable, val.i = constant */
915 #define JAVA_INT2BYTE 145
916 #define ICMD_INT2BYTE 145
918 #define JAVA_INT2CHAR 146
919 #define ICMD_INT2CHAR 146
921 #define JAVA_INT2SHORT 147
922 #define ICMD_INT2SHORT 147
924 #define JAVA_LCMP 148
925 #define ICMD_LCMP 148
927 #define JAVA_FCMPL 149
928 #define ICMD_FCMPL 149
930 #define JAVA_FCMPG 150
931 #define ICMD_FCMPG 150
933 #define JAVA_DCMPL 151
934 #define ICMD_DCMPL 151
936 #define JAVA_DCMPG 152
937 #define ICMD_DCMPG 152
939 #define JAVA_IFEQ 153
940 #define ICMD_IFEQ 153 /* op1 = target JavaVM pc, val.i */
942 #define JAVA_IFNE 154
943 #define ICMD_IFNE 154 /* op1 = target JavaVM pc, val.i */
945 #define JAVA_IFLT 155
946 #define ICMD_IFLT 155 /* op1 = target JavaVM pc, val.i */
948 #define JAVA_IFGE 156
949 #define ICMD_IFGE 156 /* op1 = target JavaVM pc, val.i */
951 #define JAVA_IFGT 157
952 #define ICMD_IFGT 157 /* op1 = target JavaVM pc, val.i */
954 #define JAVA_IFLE 158
955 #define ICMD_IFLE 158 /* op1 = target JavaVM pc, val.i */
957 #define JAVA_IF_ICMPEQ 159
958 #define ICMD_IF_ICMPEQ 159 /* op1 = target JavaVM pc */
960 #define JAVA_IF_ICMPNE 160
961 #define ICMD_IF_ICMPNE 160 /* op1 = target JavaVM pc */
963 #define JAVA_IF_ICMPLT 161
964 #define ICMD_IF_ICMPLT 161 /* op1 = target JavaVM pc */
966 #define JAVA_IF_ICMPGE 162
967 #define ICMD_IF_ICMPGE 162 /* op1 = target JavaVM pc */
969 #define JAVA_IF_ICMPGT 163
970 #define ICMD_IF_ICMPGT 163 /* op1 = target JavaVM pc */
972 #define JAVA_IF_ICMPLE 164
973 #define ICMD_IF_ICMPLE 164 /* op1 = target JavaVM pc */
975 #define JAVA_IF_ACMPEQ 165
976 #define ICMD_IF_ACMPEQ 165 /* op1 = target JavaVM pc */
978 #define JAVA_IF_ACMPNE 166
979 #define ICMD_IF_ACMPNE 166 /* op1 = target JavaVM pc */
981 #define JAVA_GOTO 167
982 #define ICMD_GOTO 167 /* op1 = target JavaVM pc */
985 #define ICMD_JSR 168 /* op1 = target JavaVM pc */
988 #define ICMD_RET 169 /* op1 = local variable */
990 #define JAVA_TABLESWITCH 170
991 #define ICMD_TABLESWITCH 170 /* val.a = pointer to s4 table */
992 /* length must be computed */
993 #define JAVA_LOOKUPSWITCH 171
994 #define ICMD_LOOKUPSWITCH 171 /* val.a = pointer to s4 table */
995 /* length must be computed */
996 #define JAVA_IRETURN 172
997 #define ICMD_IRETURN 172
999 #define JAVA_LRETURN 173
1000 #define ICMD_LRETURN 173
1002 #define JAVA_FRETURN 174
1003 #define ICMD_FRETURN 174
1005 #define JAVA_DRETURN 175
1006 #define ICMD_DRETURN 175
1008 #define JAVA_ARETURN 176
1009 #define ICMD_ARETURN 176
1011 #define JAVA_RETURN 177
1012 #define ICMD_RETURN 177
1014 #define JAVA_GETSTATIC 178
1015 #define ICMD_GETSTATIC 178 /* op1 = type, val.a = field address */
1017 #define JAVA_PUTSTATIC 179
1018 #define ICMD_PUTSTATIC 179 /* op1 = type, val.a = field address */
1020 #define JAVA_GETFIELD 180
1021 #define ICMD_GETFIELD 180 /* op1 = type, val.i = field offset */
1023 #define JAVA_PUTFIELD 181
1024 #define ICMD_PUTFIELD 181 /* op1 = type, val.i = field offset */
1026 #define JAVA_INVOKEVIRTUAL 182
1027 #define ICMD_INVOKEVIRTUAL 182 /* val.a = method info pointer */
1029 #define JAVA_INVOKESPECIAL 183
1030 #define ICMD_INVOKESPECIAL 183 /* val.a = method info pointer */
1032 #define JAVA_INVOKESTATIC 184
1033 #define ICMD_INVOKESTATIC 184 /* val.a = method info pointer */
1035 #define JAVA_INVOKEINTERFACE 185
1036 #define ICMD_INVOKEINTERFACE 185 /* val.a = method info pointer */
1040 #define JAVA_NEW 187
1041 #define ICMD_NEW 187 /* op1 = 1, val.a = class pointer */
1043 #define JAVA_NEWARRAY 188
1044 #define ICMD_NEWARRAY 188 /* op1 = basic type */
1046 #define JAVA_ANEWARRAY 189
1047 #define ICMD_ANEWARRAY 189 /* op1 = 0, val.a = array pointer */
1048 /* op1 = 1, val.a = class pointer */
1049 #define JAVA_ARRAYLENGTH 190
1050 #define ICMD_ARRAYLENGTH 190
1052 #define JAVA_ATHROW 191
1053 #define ICMD_ATHROW 191
1055 #define JAVA_CHECKCAST 192
1056 #define ICMD_CHECKCAST 192 /* op1 = 0, val.a = array pointer */
1057 /* op1 = 1, val.a = class pointer */
1058 #define JAVA_INSTANCEOF 193
1059 #define ICMD_INSTANCEOF 193 /* op1 = 0, val.a = array pointer */
1060 /* op1 = 1, val.a = class pointer */
1061 #define JAVA_MONITORENTER 194
1062 #define ICMD_MONITORENTER 194
1064 #define JAVA_MONITOREXIT 195
1065 #define ICMD_MONITOREXIT 195
1067 #define JAVA_WIDE 196
1069 #define JAVA_MULTIANEWARRAY 197
1070 #define ICMD_MULTIANEWARRAY 197 /* op1 = dimension, val.a = array */
1072 #define JAVA_IFNULL 198
1073 #define ICMD_IFNULL 198 /* op1 = target JavaVM pc */
1075 #define JAVA_IFNONNULL 199
1076 #define ICMD_IFNONNULL 199 /* op1 = target JavaVM pc */
1078 #define JAVA_GOTO_W 200
1080 #define JAVA_JSR_W 201
1082 #define JAVA_BREAKPOINT 202
1086 #define ICMD_IASTORECONST 204
1087 #define ICMD_LASTORECONST 205
1088 #define ICMD_FASTORECONST 206
1089 #define ICMD_DASTORECONST 207
1090 #define ICMD_AASTORECONST 208
1091 #define ICMD_BASTORECONST 209
1092 #define ICMD_CASTORECONST 210
1093 #define ICMD_SASTORECONST 211
1095 #define ICMD_PUTSTATICCONST 212
1096 #define ICMD_PUTFIELDCONST 213
1098 #define ICMD_IMULPOW2 214
1099 #define ICMD_LMULPOW2 215
1101 #define ICMD_IF_FCMPEQ 216
1102 #define ICMD_IF_FCMPNE 217
1104 #define ICMD_IF_FCMPL_LT 218
1105 #define ICMD_IF_FCMPL_GE 219
1106 #define ICMD_IF_FCMPL_GT 220
1107 #define ICMD_IF_FCMPL_LE 221
1109 #define ICMD_IF_FCMPG_LT 222
1110 #define ICMD_IF_FCMPG_GE 223
1111 #define ICMD_IF_FCMPG_GT 224
1112 #define ICMD_IF_FCMPG_LE 225
1114 #define ICMD_IF_DCMPEQ 226
1115 #define ICMD_IF_DCMPNE 227
1117 #define ICMD_IF_DCMPL_LT 228
1118 #define ICMD_IF_DCMPL_GE 229
1119 #define ICMD_IF_DCMPL_GT 230
1120 #define ICMD_IF_DCMPL_LE 231
1122 #define ICMD_IF_DCMPG_LT 232
1123 #define ICMD_IF_DCMPG_GE 233
1124 #define ICMD_IF_DCMPG_GT 234
1125 #define ICMD_IF_DCMPG_LE 235
1127 #define ICMD_INLINE_START 251 /* instruction before inlined method */
1128 #define ICMD_INLINE_END 252 /* instruction after inlined method */
1129 #define ICMD_INLINE_GOTO 253 /* jump to caller of inlined method */
1131 #define ICMD_BUILTIN 255 /* internal opcode */
1134 /******************* description of JavaVM instructions ***********************/
1138 /***************************** register types *********************************/
1140 #define REG_RES 0 /* reserved register for OS or code generator */
1141 #define REG_RET 1 /* return value register */
1142 #define REG_EXC 2 /* exception value register */
1143 #define REG_SAV 3 /* (callee) saved register */
1144 #define REG_TMP 4 /* scratch temporary register (caller saved) */
1145 #define REG_ARG 5 /* argument register (caller saved) */
1147 #define REG_END -1 /* last entry in tables */
1149 #define PARAMMODE_NUMBERED 0
1150 #define PARAMMODE_STUFFED 1
1153 /***************************** register info block ****************************/
1155 extern int stackreq[256];
1156 /* extern int op_needs_saved[256]; */
1157 /* extern int op_is_pei[256]; */
1158 #define NEEDS_SAVED 0
1160 #define OP_DATA_SIZE 2
1161 extern int op_data[256][OP_DATA_SIZE];
1162 /* [0..255][NEEDS_SAVED] ... if ICMD needs a SAVEDVAR */
1163 /* [0..255][PEI] ... if ICMD could throw an exception */
1165 /* function prototypes ********************************************************/
1167 /* compiler initialisation */
1168 void jit_init(void);
1170 /* compiler finalisation */
1171 void jit_close(void);
1173 /* compile a method with jit compiler */
1174 u1 *jit_compile(methodinfo *m);
1175 u1 *jit_recompile(methodinfo *m);
1177 /* patch the method entrypoint */
1178 u1 *jit_asm_compile(methodinfo *m, u1 *mptr, u1 *sp, u1 *ra);
1180 s4 jit_complement_condition(s4 opcode);
1182 /* machine dependent functions */
1183 #if defined(ENABLE_JIT)
1186 u1 *md_get_method_patch_address(u1 *ra, stackframeinfo *sfi, u1 *mptr);
1188 void md_cacheflush(u1 *addr, s4 nbytes);
1189 void md_icacheflush(u1 *addr, s4 nbytes);
1190 void md_dcacheflush(u1 *addr, s4 nbytes);
1193 #if defined(ENABLE_INTRP)
1194 void intrp_md_init(void);
1201 * These are local overrides for various environment variables in Emacs.
1202 * Please do not remove this and leave it at the end of the file, where
1203 * Emacs will automagically detect them.
1204 * ---------------------------------------------------------------------
1207 * indent-tabs-mode: t
1211 * vim:noexpandtab:sw=4:ts=4: