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 5321 2006-09-05 16:12:09Z 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 new_instruction new_instruction;
50 typedef struct insinfo_inline insinfo_inline;
56 #include "toolbox/chain.h"
57 #include "vm/global.h"
58 #include "vm/method.h"
59 #include "vm/references.h"
60 #include "vm/resolve.h"
61 #include "vm/statistics.h"
62 #include "vm/jit/codegen-common.h"
63 #include "vm/jit/reg.h"
64 #include "vm/jit/stacktrace.h"
66 #if defined(ENABLE_INLINING)
67 # include "vm/jit/inline/inline.h"
70 #if defined(ENABLE_LOOP)
71 # include "vm/jit/loop/loop.h"
73 #if defined(ENABLE_SSA)
74 # include "vm/jit/optimizing/lsra.h"
76 #if defined(ENABLE_LSRA)
77 # include "vm/jit/allocator/lsra.h"
80 #include "vm/jit/verify/typeinfo.h"
82 /* common jit/codegen macros **************************************************/
84 #if defined(ENABLE_STATISTICS)
85 # define COUNT(x) (x)++
86 # define COUNT_SPILLS count_spills++
88 # define COUNT(x) /* nothing */
89 # define COUNT_SPILLS /* nothing */
93 /* jitdata ********************************************************************/
96 methodinfo *m; /* methodinfo of the method compiled */
100 #if defined(ENABLE_LOOP)
103 #if defined(ENABLE_SSA) || defined(ENABLE_LSRA)
107 u4 flags; /* contains JIT compiler flags */
108 bool isleafmethod; /* does method call subroutines */
110 new_instruction *new_instructions;
111 basicblock *new_basicblocks;
112 s4 *new_basicblockindex;
113 stackelement *new_stack;
114 s4 new_instructioncount;
115 s4 new_basicblockcount;
121 #define JITDATA_FLAG_PARSE 0x00000001
122 #define JITDATA_FLAG_VERIFY 0x00000002
124 #define JITDATA_FLAG_INSTRUMENT 0x00000004
126 #define JITDATA_FLAG_IFCONV 0x00000008
127 #define JITDATA_FLAG_REORDER 0x00000010
129 #define JITDATA_FLAG_SHOWINTERMEDIATE 0x20000000
130 #define JITDATA_FLAG_SHOWDISASSEMBLE 0x40000000
131 #define JITDATA_FLAG_VERBOSECALL 0x80000000
134 #define JITDATA_HAS_FLAG_PARSE(jd) \
135 ((jd)->flags & JITDATA_FLAG_PARSE)
137 #define JITDATA_HAS_FLAG_VERIFY(jd) \
138 ((jd)->flags & JITDATA_FLAG_VERIFY)
140 #define JITDATA_HAS_FLAG_INSTRUMENT(jd) \
141 ((jd)->flags & JITDATA_FLAG_INSTRUMENT)
143 #define JITDATA_HAS_FLAG_IFCONV(jd) \
144 ((jd)->flags & JITDATA_FLAG_IFCONV)
146 #define JITDATA_HAS_FLAG_REORDER(jd) \
147 ((jd)->flags & JITDATA_FLAG_REORDER)
149 #define JITDATA_HAS_FLAG_SHOWINTERMEDIATE(jd) \
150 ((jd)->flags & JITDATA_FLAG_SHOWINTERMEDIATE)
152 #define JITDATA_HAS_FLAG_SHOWDISASSEMBLE(jd) \
153 ((jd)->flags & JITDATA_FLAG_SHOWDISASSEMBLE)
155 #define JITDATA_HAS_FLAG_VERBOSECALL(jd) \
156 ((jd)->flags & JITDATA_FLAG_VERBOSECALL)
159 /************************** stack element structure ***************************/
163 #define SAVEDVAR 1 /* variable has to survive method invocations */
164 #define INMEMORY 2 /* variable stored in memory */
165 #define SAVEDTMP 4 /* temporary variable using a saved register */
166 #define TMPARG 8 /* temporary variable using a arg register */
167 #define STCOPY 16 /* there is another stackslot alive "below" */
168 /* using the same register/memory location */
169 #define STKEEP 32 /* to prevent reg_mark_copy to free this */
174 #define UNDEFVAR 0 /* stack slot will become temp during regalloc*/
175 #define TEMPVAR 1 /* stack slot is temp register */
176 #define STACKVAR 2 /* stack slot is numbered stack slot */
177 #define LOCALVAR 3 /* stack slot is local variable */
178 #define ARGVAR 4 /* stack slot is argument variable */
181 struct stackelement {
182 stackptr prev; /* pointer to next element towards bottom */
183 s4 type; /* slot type of stack element */
184 #ifdef ENABLE_VERIFIER
185 typeinfo typeinfo; /* info on reference types */
187 s4 flags; /* flags (SAVED, INMEMORY) */
188 s4 varkind; /* kind of variable or register */
189 s4 varnum; /* number of variable */
190 s4 regoff; /* register number or memory offset */
194 /**************************** instruction structure ***************************/
196 /* branch_target_t: used in TABLESWITCH tables */
199 s4 insindex; /* used between parse and stack */
200 basicblock *block; /* used from stack analysis onwards */
203 /* lookup_target_t: used in LOOKUPSWITCH tables */
206 s4 value; /* case value */
207 branch_target_t target; /* branch target, see above */
223 classref_or_classinfo c;
224 unresolved_class *uc;
225 ptrint constval; /* for PUT*CONST */
226 s4 tablelow; /* for TABLESWITCH */
227 u4 lookupcount; /* for LOOKUPSWITCH */
235 classref_or_classinfo c;
236 constant_FMIref *fmiref;
237 unresolved_method *um;
238 unresolved_field *uf;
239 insinfo_inline *inlineinfo; /* for INLINE_START/END */
240 s4 tablehigh; /* for TABLESWITCH */
241 branch_target_t lookupdefault; /* for LOOKUPSWITCH */
242 branch_target_t jsrtarget; /* for JSR */
243 struct builtintable_entry *bte;
246 /*** val operand ***/
254 java_objectheader *stringconst; /* for ACONST with string */
255 classref_or_classinfo c; /* for ACONST with class */
258 /*** dst operand ***/
263 basicblock *block; /* valid after stack analysis */
264 branch_target_t *table; /* for TABLESWITCH */
265 lookup_target_t *lookup; /* for LOOKUPSWITCH */
266 s4 insindex; /* used between parse and stack */
267 stackptr *dupslots; /* for SWAP, DUP* except DUP */
270 /*** flags (32 bits) ***/
272 #define INS_FLAG_UNRESOLVED 0x01 /* contains unresolved field/meth/class*/
273 #define INS_FLAG_CLASS 0x02 /* for ACONST with class */
274 #define INS_FLAG_ARRAY 0x04 /* for CHECKCAST/INSTANCEOF with array */
275 #define INS_FLAG_NOCHECK 0x08
279 struct { /* fields: */
282 u1 type; /* TYPE_* constant for fields */
283 u1 argcount; /* XXX does u1 suffice? */
284 /* for MULTIANEWARRAY and */
286 } f; /* XXX these could be made smaller */
287 /* only MULTIANEWARRAY needs the argcount */
291 bool unresolved:1; /* field/method is unresolved */
292 bool nocheck :1; /* don't check array access */
293 bool branch :1; /* branch to dst.target */
304 /*** instruction ***/
306 /* The new instruction format for the intermediate representation: */
308 struct new_instruction {
310 u2 line; /* line number */
311 #if SIZEOF_VOID_P == 8
312 flags_operand_t flags; /* 4 bytes */
314 s1_operand_t s1; /* pointer-size */
317 s2_operand_t s2; /* pointer-size */
318 s3_operand_t s3; /* pointer-size */
320 val_operand_t val; /* long-size */
322 dst_operand_t dst; /* pointer-size */
323 #if SIZEOF_VOID_P == 4
324 flags_operand_t flags; /* 4 bytes */
328 /* XXX This instruction format will become obsolete. */
331 stackptr dst; /* stack index of destination operand stack */
332 u2 opc; /* opcode of intermediate code command */
333 s4 op1; /* first operand, usually variable number */
334 imm_union val; /* immediate constant */
335 void *target; /* used for targets of branches and jumps */
336 /* and as address for list of targets for */
338 u2 line; /* line number in source file */
341 #define INSTRUCTION_IS_RESOLVED(iptr) \
342 (!((iptr)->flags.bits & INS_FLAG_UNRESOLVED))
344 #define INSTRUCTION_IS_UNRESOLVED(iptr) \
345 ((iptr)->flags.bits & INS_FLAG_UNRESOLVED)
347 #define INSTRUCTION_MUST_CHECK(iptr) \
348 (!((iptr)->flags.bits & INS_FLAG_NOCHECK))
350 #define INSTRUCTION_GET_FIELDREF(iptr,fref) \
352 if (iptr->flags.bits & INS_FLAG_UNRESOLVED) \
353 fref = iptr->sx.s23.s3.uf->fieldref; \
355 fref = iptr->sx.s23.s3.fmiref; \
358 #define INSTRUCTION_GET_METHODREF(iptr,mref) \
360 if (iptr->flags.bits & INS_FLAG_UNRESOLVED) \
361 mref = iptr->sx.s23.s3.um->methodref; \
363 mref = iptr->sx.s23.s3.fmiref; \
366 #define INSTRUCTION_GET_METHODDESC(iptr, md) \
368 if (iptr->flags.bits & INS_FLAG_UNRESOLVED) \
369 md = iptr->sx.s23.s3.um->methodref->parseddesc.md; \
371 md = iptr->sx.s23.s3.fmiref->parseddesc.md; \
375 /* additional info structs for special instructions ***************************/
377 /* for ICMD_INLINE_START and ICMD_INLINE_END */
379 struct insinfo_inline {
380 methodinfo *method; /* the inlined method starting/ending here */
381 methodinfo *outer; /* the outer method suspended/resumed here */
382 s4 startmpc; /* machine code offset of start of inlining */
383 s4 synclocal; /* local index used for synchronization */
384 bool synchronize; /* true if synchronization is needed */
387 /* basicblock *****************************************************************/
396 #define BBTYPECHECK_UNDEF 2
397 #define BBTYPECHECK_REACHED 3
399 #define BBTYPE_STD 0 /* standard basic block type */
400 #define BBTYPE_EXH 1 /* exception handler basic block type */
401 #define BBTYPE_SBR 2 /* subroutine basic block type */
403 #define BBFLAG_REPLACEMENT 0x01 /* put a replacement point at the start */
405 /* XXX basicblock wastes quite a lot of memory by having four flag fields */
406 /* (flags, bitflags, type and lflags). Probably the last three could be */
407 /* combined without loss of efficiency. The first one could be combined with */
408 /* the others by using bitfields. */
411 s4 nr; /* basic block number */
412 s4 flags; /* used during stack analysis, init with -1 */
413 s4 bitflags; /* OR of BBFLAG_... constants, init with 0 */
414 s4 type; /* basic block type (std, xhandler, subroutine*/
415 new_instruction *iinstr; /* pointer to intermediate code instructions */
416 s4 icount; /* number of intermediate code instructions */
417 s4 mpc; /* machine code pc at start of block */
418 stackptr instack; /* stack at begin of basic block */
419 stackptr *invars; /* array of in-variables at begin of block */
420 stackptr outstack; /* stack at end of basic block */
421 stackptr *outvars; /* array of out-variables at end of block */
422 s4 indepth; /* stack depth at begin of basic block */
423 s4 outdepth; /* stack depth end of basic block */
427 basicblock **predecessors; /* array of predecessor basic blocks */
428 basicblock **successors; /* array of successor basic blocks */
430 branchref *branchrefs; /* list of branches to be patched */
432 basicblock *next; /* used to build a BB list (instead of array) */
433 s4 lflags; /* used during loop copying, init with 0 */
434 basicblock *copied_to; /* points to the copy of this basic block */
435 /* when loop nodes are copied */
436 stackptr stack; /* start of stack array for this block */
437 /* (see doc/stack.txt) */
438 methodinfo *method; /* method this block belongs to */
442 /* Macro for initializing newly allocated basic block's. It does not
443 need to zero fields, as we zero out the whole basic block array. */
445 #define BASICBLOCK_INIT(bptr,m) \
449 bptr->type = BBTYPE_STD; \
450 bptr->method = (m); \
451 bptr->nr = (m)->c_debug_nr++; \
455 /* branchref *****************************************************************/
458 s4 branchpos; /* patching position in code segment */
459 branchref *next; /* next element in branchref list */
463 /********** op1 values for ACONST instructions ********************************/
465 #define ACONST_LOAD 0 /* ACONST_NULL or LDC instruction */
466 #define ACONST_BUILTIN 1 /* constant argument for a builtin function call */
469 /********** JavaVM operation codes (sorted) and instruction lengths ***********/
471 extern char *icmd_names[256];
472 extern char *opcode_names[256];
473 extern int jcommandsize[256];
478 #define JAVA_ACONST_NULL 1
479 #define ICMD_ACONST 1 /* val.a = constant */
481 #define JAVA_ICONST_M1 2
482 #define ICMD_CHECKNULL 2
484 #define JAVA_ICONST_0 3
485 #define ICMD_ICONST 3 /* val.i = constant */
487 #define JAVA_ICONST_1 4
488 #define ICMD_CHECKNULL_POP 4
490 #define JAVA_ICONST_2 5
491 #define ICMD_IDIVPOW2 5 /* val.i = constant */
493 #define JAVA_ICONST_3 6
494 #define ICMD_LDIVPOW2 6 /* val.l = constant */
496 #define JAVA_ICONST_4 7
498 #define JAVA_ICONST_5 8
500 #define JAVA_LCONST_0 9
501 #define ICMD_LCONST 9 /* val.l = constant */
503 #define JAVA_LCONST_1 10
504 #define ICMD_LCMPCONST 10 /* val.l = constant */
506 #define JAVA_FCONST_0 11
507 #define ICMD_FCONST 11 /* val.f = constant */
509 #define JAVA_FCONST_1 12
511 #define JAVA_FCONST_2 13
513 #define JAVA_DCONST_0 14
514 #define ICMD_DCONST 14 /* val.d = constant */
516 #define JAVA_DCONST_1 15
518 #define JAVA_BIPUSH 16
520 #define JAVA_SIPUSH 17
526 #define JAVA_LDC2W 20
528 /* order of LOAD instructions must be */
529 /* equal to order of TYPE_* defines */
530 #define JAVA_ILOAD 21
531 #define ICMD_ILOAD 21 /* op1 = local variable */
533 #define JAVA_LLOAD 22
534 #define ICMD_LLOAD 22 /* op1 = local variable */
536 #define JAVA_FLOAD 23
537 #define ICMD_FLOAD 23 /* op1 = local variable */
539 #define JAVA_DLOAD 24
540 #define ICMD_DLOAD 24 /* op1 = local variable */
542 #define JAVA_ALOAD 25
543 #define ICMD_ALOAD 25 /* op1 = local variable */
545 #define JAVA_ILOAD_0 26
546 #define ICMD_IADDCONST 26 /* val.i = constant */
548 #define JAVA_ILOAD_1 27
549 #define ICMD_ISUBCONST 27 /* val.i = constant */
551 #define JAVA_ILOAD_2 28
552 #define ICMD_IMULCONST 28 /* val.i = constant */
554 #define JAVA_ILOAD_3 29
555 #define ICMD_IANDCONST 29 /* val.i = constant */
557 #define JAVA_LLOAD_0 30
558 #define ICMD_IORCONST 30 /* val.i = constant */
560 #define JAVA_LLOAD_1 31
561 #define ICMD_IXORCONST 31 /* val.i = constant */
563 #define JAVA_LLOAD_2 32
564 #define ICMD_ISHLCONST 32 /* val.i = constant */
566 #define JAVA_LLOAD_3 33
567 #define ICMD_ISHRCONST 33 /* val.i = constant */
569 #define JAVA_FLOAD_0 34
570 #define ICMD_IUSHRCONST 34 /* val.i = constant */
572 #define JAVA_FLOAD_1 35
573 #define ICMD_IREMPOW2 35 /* val.i = constant */
575 #define JAVA_FLOAD_2 36
576 #define ICMD_LADDCONST 36 /* val.l = constant */
578 #define JAVA_FLOAD_3 37
579 #define ICMD_LSUBCONST 37 /* val.l = constant */
581 #define JAVA_DLOAD_0 38
582 #define ICMD_LMULCONST 38 /* val.l = constant */
584 #define JAVA_DLOAD_1 39
585 #define ICMD_LANDCONST 39 /* val.l = constant */
587 #define JAVA_DLOAD_2 40
588 #define ICMD_LORCONST 40 /* val.l = constant */
590 #define JAVA_DLOAD_3 41
591 #define ICMD_LXORCONST 41 /* val.l = constant */
593 #define JAVA_ALOAD_0 42
594 #define ICMD_LSHLCONST 42 /* val.l = constant */
596 #define JAVA_ALOAD_1 43
597 #define ICMD_LSHRCONST 43 /* val.l = constant */
599 #define JAVA_ALOAD_2 44
600 #define ICMD_LUSHRCONST 44 /* val.l = constant */
602 #define JAVA_ALOAD_3 45
603 #define ICMD_LREMPOW2 45 /* val.l = constant */
605 #define JAVA_IALOAD 46
606 #define ICMD_IALOAD 46
608 #define JAVA_LALOAD 47
609 #define ICMD_LALOAD 47
611 #define JAVA_FALOAD 48
612 #define ICMD_FALOAD 48
614 #define JAVA_DALOAD 49
615 #define ICMD_DALOAD 49
617 #define JAVA_AALOAD 50
618 #define ICMD_AALOAD 50
620 #define JAVA_BALOAD 51
621 #define ICMD_BALOAD 51
623 #define JAVA_CALOAD 52
624 #define ICMD_CALOAD 52
626 #define JAVA_SALOAD 53
627 #define ICMD_SALOAD 53
629 /* order of STORE instructions must be*/
630 /* equal to order of TYPE_* defines */
631 #define JAVA_ISTORE 54
632 #define ICMD_ISTORE 54 /* op1 = local variable */
634 #define JAVA_LSTORE 55
635 #define ICMD_LSTORE 55 /* op1 = local variable */
637 #define JAVA_FSTORE 56
638 #define ICMD_FSTORE 56 /* op1 = local variable */
640 #define JAVA_DSTORE 57
641 #define ICMD_DSTORE 57 /* op1 = local variable */
643 #define JAVA_ASTORE 58
644 #define ICMD_ASTORE 58 /* op1 = local variable */
646 #define JAVA_ISTORE_0 59
647 #define ICMD_IF_LEQ 59 /* op1 = target JavaVM pc, val.l */
649 #define JAVA_ISTORE_1 60
650 #define ICMD_IF_LNE 60 /* op1 = target JavaVM pc, val.l */
652 #define JAVA_ISTORE_2 61
653 #define ICMD_IF_LLT 61 /* op1 = target JavaVM pc, val.l */
655 #define JAVA_ISTORE_3 62
656 #define ICMD_IF_LGE 62 /* op1 = target JavaVM pc, val.l */
658 #define JAVA_LSTORE_0 63
659 #define ICMD_IF_LGT 63 /* op1 = target JavaVM pc, val.l */
661 #define JAVA_LSTORE_1 64
662 #define ICMD_IF_LLE 64 /* op1 = target JavaVM pc, val.l */
664 #define JAVA_LSTORE_2 65
665 #define ICMD_IF_LCMPEQ 65 /* op1 = target JavaVM pc */
667 #define JAVA_LSTORE_3 66
668 #define ICMD_IF_LCMPNE 66 /* op1 = target JavaVM pc */
670 #define JAVA_FSTORE_0 67
671 #define ICMD_IF_LCMPLT 67 /* op1 = target JavaVM pc */
673 #define JAVA_FSTORE_1 68
674 #define ICMD_IF_LCMPGE 68 /* op1 = target JavaVM pc */
676 #define JAVA_FSTORE_2 69
677 #define ICMD_IF_LCMPGT 69 /* op1 = target JavaVM pc */
679 #define JAVA_FSTORE_3 70
680 #define ICMD_IF_LCMPLE 70 /* op1 = target JavaVM pc */
682 #define JAVA_DSTORE_0 71
684 #define JAVA_DSTORE_1 72
686 #define JAVA_DSTORE_2 73
688 #define JAVA_DSTORE_3 74
690 #define JAVA_ASTORE_0 75
692 #define JAVA_ASTORE_1 76
694 #define JAVA_ASTORE_2 77
696 #define JAVA_ASTORE_3 78
698 #define JAVA_IASTORE 79
699 #define ICMD_IASTORE 79
701 #define JAVA_LASTORE 80
702 #define ICMD_LASTORE 80
704 #define JAVA_FASTORE 81
705 #define ICMD_FASTORE 81
707 #define JAVA_DASTORE 82
708 #define ICMD_DASTORE 82
710 #define JAVA_AASTORE 83
711 #define ICMD_AASTORE 83
713 #define JAVA_BASTORE 84
714 #define ICMD_BASTORE 84
716 #define JAVA_CASTORE 85
717 #define ICMD_CASTORE 85
719 #define JAVA_SASTORE 86
720 #define ICMD_SASTORE 86
731 #define JAVA_DUP_X1 90
732 #define ICMD_DUP_X1 90
734 #define JAVA_DUP_X2 91
735 #define ICMD_DUP_X2 91
740 #define JAVA_DUP2_X1 93
741 #define ICMD_DUP2_X1 93
743 #define JAVA_DUP2_X2 94
744 #define ICMD_DUP2_X2 94
761 #define JAVA_ISUB 100
762 #define ICMD_ISUB 100
764 #define JAVA_LSUB 101
765 #define ICMD_LSUB 101
767 #define JAVA_FSUB 102
768 #define ICMD_FSUB 102
770 #define JAVA_DSUB 103
771 #define ICMD_DSUB 103
773 #define JAVA_IMUL 104
774 #define ICMD_IMUL 104
776 #define JAVA_LMUL 105
777 #define ICMD_LMUL 105
779 #define JAVA_FMUL 106
780 #define ICMD_FMUL 106
782 #define JAVA_DMUL 107
783 #define ICMD_DMUL 107
785 #define JAVA_IDIV 108
786 #define ICMD_IDIV 108
788 #define JAVA_LDIV 109
789 #define ICMD_LDIV 109
791 #define JAVA_FDIV 110
792 #define ICMD_FDIV 110
794 #define JAVA_DDIV 111
795 #define ICMD_DDIV 111
797 #define JAVA_IREM 112
798 #define ICMD_IREM 112
800 #define JAVA_LREM 113
801 #define ICMD_LREM 113
803 #define JAVA_FREM 114
804 #define ICMD_FREM 114
806 #define JAVA_DREM 115
807 #define ICMD_DREM 115
809 #define JAVA_INEG 116
810 #define ICMD_INEG 116
812 #define JAVA_LNEG 117
813 #define ICMD_LNEG 117
815 #define JAVA_FNEG 118
816 #define ICMD_FNEG 118
818 #define JAVA_DNEG 119
819 #define ICMD_DNEG 119
821 #define JAVA_ISHL 120
822 #define ICMD_ISHL 120
824 #define JAVA_LSHL 121
825 #define ICMD_LSHL 121
827 #define JAVA_ISHR 122
828 #define ICMD_ISHR 122
830 #define JAVA_LSHR 123
831 #define ICMD_LSHR 123
833 #define JAVA_IUSHR 124
834 #define ICMD_IUSHR 124
836 #define JAVA_LUSHR 125
837 #define ICMD_LUSHR 125
839 #define JAVA_IAND 126
840 #define ICMD_IAND 126
842 #define JAVA_LAND 127
843 #define ICMD_LAND 127
851 #define JAVA_IXOR 130
852 #define ICMD_IXOR 130
854 #define JAVA_LXOR 131
855 #define ICMD_LXOR 131
857 #define JAVA_IINC 132
858 #define ICMD_IINC 132 /* op1 = local variable, val.i = constant */
896 #define JAVA_INT2BYTE 145
897 #define ICMD_INT2BYTE 145
899 #define JAVA_INT2CHAR 146
900 #define ICMD_INT2CHAR 146
902 #define JAVA_INT2SHORT 147
903 #define ICMD_INT2SHORT 147
905 #define JAVA_LCMP 148
906 #define ICMD_LCMP 148
908 #define JAVA_FCMPL 149
909 #define ICMD_FCMPL 149
911 #define JAVA_FCMPG 150
912 #define ICMD_FCMPG 150
914 #define JAVA_DCMPL 151
915 #define ICMD_DCMPL 151
917 #define JAVA_DCMPG 152
918 #define ICMD_DCMPG 152
920 #define JAVA_IFEQ 153
921 #define ICMD_IFEQ 153 /* op1 = target JavaVM pc, val.i */
923 #define JAVA_IFNE 154
924 #define ICMD_IFNE 154 /* op1 = target JavaVM pc, val.i */
926 #define JAVA_IFLT 155
927 #define ICMD_IFLT 155 /* op1 = target JavaVM pc, val.i */
929 #define JAVA_IFGE 156
930 #define ICMD_IFGE 156 /* op1 = target JavaVM pc, val.i */
932 #define JAVA_IFGT 157
933 #define ICMD_IFGT 157 /* op1 = target JavaVM pc, val.i */
935 #define JAVA_IFLE 158
936 #define ICMD_IFLE 158 /* op1 = target JavaVM pc, val.i */
938 #define JAVA_IF_ICMPEQ 159
939 #define ICMD_IF_ICMPEQ 159 /* op1 = target JavaVM pc */
941 #define JAVA_IF_ICMPNE 160
942 #define ICMD_IF_ICMPNE 160 /* op1 = target JavaVM pc */
944 #define JAVA_IF_ICMPLT 161
945 #define ICMD_IF_ICMPLT 161 /* op1 = target JavaVM pc */
947 #define JAVA_IF_ICMPGE 162
948 #define ICMD_IF_ICMPGE 162 /* op1 = target JavaVM pc */
950 #define JAVA_IF_ICMPGT 163
951 #define ICMD_IF_ICMPGT 163 /* op1 = target JavaVM pc */
953 #define JAVA_IF_ICMPLE 164
954 #define ICMD_IF_ICMPLE 164 /* op1 = target JavaVM pc */
956 #define JAVA_IF_ACMPEQ 165
957 #define ICMD_IF_ACMPEQ 165 /* op1 = target JavaVM pc */
959 #define JAVA_IF_ACMPNE 166
960 #define ICMD_IF_ACMPNE 166 /* op1 = target JavaVM pc */
962 #define JAVA_GOTO 167
963 #define ICMD_GOTO 167 /* op1 = target JavaVM pc */
966 #define ICMD_JSR 168 /* op1 = target JavaVM pc */
969 #define ICMD_RET 169 /* op1 = local variable */
971 #define JAVA_TABLESWITCH 170
972 #define ICMD_TABLESWITCH 170 /* val.a = pointer to s4 table */
973 /* length must be computed */
974 #define JAVA_LOOKUPSWITCH 171
975 #define ICMD_LOOKUPSWITCH 171 /* val.a = pointer to s4 table */
976 /* length must be computed */
977 #define JAVA_IRETURN 172
978 #define ICMD_IRETURN 172
980 #define JAVA_LRETURN 173
981 #define ICMD_LRETURN 173
983 #define JAVA_FRETURN 174
984 #define ICMD_FRETURN 174
986 #define JAVA_DRETURN 175
987 #define ICMD_DRETURN 175
989 #define JAVA_ARETURN 176
990 #define ICMD_ARETURN 176
992 #define JAVA_RETURN 177
993 #define ICMD_RETURN 177
995 #define JAVA_GETSTATIC 178
996 #define ICMD_GETSTATIC 178 /* op1 = type, val.a = field address */
998 #define JAVA_PUTSTATIC 179
999 #define ICMD_PUTSTATIC 179 /* op1 = type, val.a = field address */
1001 #define JAVA_GETFIELD 180
1002 #define ICMD_GETFIELD 180 /* op1 = type, val.i = field offset */
1004 #define JAVA_PUTFIELD 181
1005 #define ICMD_PUTFIELD 181 /* op1 = type, val.i = field offset */
1007 #define JAVA_INVOKEVIRTUAL 182
1008 #define ICMD_INVOKEVIRTUAL 182 /* val.a = method info pointer */
1010 #define JAVA_INVOKESPECIAL 183
1011 #define ICMD_INVOKESPECIAL 183 /* val.a = method info pointer */
1013 #define JAVA_INVOKESTATIC 184
1014 #define ICMD_INVOKESTATIC 184 /* val.a = method info pointer */
1016 #define JAVA_INVOKEINTERFACE 185
1017 #define ICMD_INVOKEINTERFACE 185 /* val.a = method info pointer */
1021 #define JAVA_NEW 187
1022 #define ICMD_NEW 187 /* op1 = 1, val.a = class pointer */
1024 #define JAVA_NEWARRAY 188
1025 #define ICMD_NEWARRAY 188 /* op1 = basic type */
1027 #define JAVA_ANEWARRAY 189
1028 #define ICMD_ANEWARRAY 189 /* op1 = 0, val.a = array pointer */
1029 /* op1 = 1, val.a = class pointer */
1030 #define JAVA_ARRAYLENGTH 190
1031 #define ICMD_ARRAYLENGTH 190
1033 #define JAVA_ATHROW 191
1034 #define ICMD_ATHROW 191
1036 #define JAVA_CHECKCAST 192
1037 #define ICMD_CHECKCAST 192 /* op1 = 0, val.a = array pointer */
1038 /* op1 = 1, val.a = class pointer */
1039 #define JAVA_INSTANCEOF 193
1040 #define ICMD_INSTANCEOF 193 /* op1 = 0, val.a = array pointer */
1041 /* op1 = 1, val.a = class pointer */
1042 #define JAVA_MONITORENTER 194
1043 #define ICMD_MONITORENTER 194
1045 #define JAVA_MONITOREXIT 195
1046 #define ICMD_MONITOREXIT 195
1048 #define JAVA_WIDE 196
1050 #define JAVA_MULTIANEWARRAY 197
1051 #define ICMD_MULTIANEWARRAY 197 /* op1 = dimension, val.a = array */
1053 #define JAVA_IFNULL 198
1054 #define ICMD_IFNULL 198 /* op1 = target JavaVM pc */
1056 #define JAVA_IFNONNULL 199
1057 #define ICMD_IFNONNULL 199 /* op1 = target JavaVM pc */
1059 #define JAVA_GOTO_W 200
1061 #define JAVA_JSR_W 201
1063 #define JAVA_BREAKPOINT 202
1067 #define ICMD_IASTORECONST 204
1068 #define ICMD_LASTORECONST 205
1069 #define ICMD_FASTORECONST 206
1070 #define ICMD_DASTORECONST 207
1071 #define ICMD_AASTORECONST 208
1072 #define ICMD_BASTORECONST 209
1073 #define ICMD_CASTORECONST 210
1074 #define ICMD_SASTORECONST 211
1076 #define ICMD_PUTSTATICCONST 212
1077 #define ICMD_PUTFIELDCONST 213
1079 #define ICMD_IMULPOW2 214
1080 #define ICMD_LMULPOW2 215
1082 #define ICMD_IF_FCMPEQ 216
1083 #define ICMD_IF_FCMPNE 217
1085 #define ICMD_IF_FCMPL_LT 218
1086 #define ICMD_IF_FCMPL_GE 219
1087 #define ICMD_IF_FCMPL_GT 220
1088 #define ICMD_IF_FCMPL_LE 221
1090 #define ICMD_IF_FCMPG_LT 222
1091 #define ICMD_IF_FCMPG_GE 223
1092 #define ICMD_IF_FCMPG_GT 224
1093 #define ICMD_IF_FCMPG_LE 225
1095 #define ICMD_IF_DCMPEQ 226
1096 #define ICMD_IF_DCMPNE 227
1098 #define ICMD_IF_DCMPL_LT 228
1099 #define ICMD_IF_DCMPL_GE 229
1100 #define ICMD_IF_DCMPL_GT 230
1101 #define ICMD_IF_DCMPL_LE 231
1103 #define ICMD_IF_DCMPG_LT 232
1104 #define ICMD_IF_DCMPG_GE 233
1105 #define ICMD_IF_DCMPG_GT 234
1106 #define ICMD_IF_DCMPG_LE 235
1108 #define ICMD_INLINE_START 251 /* instruction before inlined method */
1109 #define ICMD_INLINE_END 252 /* instruction after inlined method */
1110 #define ICMD_INLINE_GOTO 253 /* jump to caller of inlined method */
1112 #define ICMD_BUILTIN 255 /* internal opcode */
1115 /******************* description of JavaVM instructions ***********************/
1119 /***************************** register types *********************************/
1121 #define REG_RES 0 /* reserved register for OS or code generator */
1122 #define REG_RET 1 /* return value register */
1123 #define REG_EXC 2 /* exception value register */
1124 #define REG_SAV 3 /* (callee) saved register */
1125 #define REG_TMP 4 /* scratch temporary register (caller saved) */
1126 #define REG_ARG 5 /* argument register (caller saved) */
1128 #define REG_END -1 /* last entry in tables */
1130 #define PARAMMODE_NUMBERED 0
1131 #define PARAMMODE_STUFFED 1
1134 /***************************** register info block ****************************/
1136 extern int stackreq[256];
1137 /* extern int op_needs_saved[256]; */
1138 /* extern int op_is_pei[256]; */
1139 #define NEEDS_SAVED 0
1141 #define OP_DATA_SIZE 2
1142 extern int op_data[256][OP_DATA_SIZE];
1143 /* [0..255][NEEDS_SAVED] ... if ICMD needs a SAVEDVAR */
1144 /* [0..255][PEI] ... if ICMD could throw an exception */
1146 /* function prototypes ********************************************************/
1148 /* compiler initialisation */
1149 void jit_init(void);
1151 /* compiler finalisation */
1152 void jit_close(void);
1154 /* compile a method with jit compiler */
1155 u1 *jit_compile(methodinfo *m);
1156 u1 *jit_recompile(methodinfo *m);
1158 /* patch the method entrypoint */
1159 u1 *jit_asm_compile(methodinfo *m, u1 *mptr, u1 *sp, u1 *ra);
1161 s4 jit_complement_condition(s4 opcode);
1163 /* machine dependent functions */
1164 #if defined(ENABLE_JIT)
1167 u1 *md_get_method_patch_address(u1 *ra, stackframeinfo *sfi, u1 *mptr);
1169 void md_cacheflush(u1 *addr, s4 nbytes);
1170 void md_icacheflush(u1 *addr, s4 nbytes);
1171 void md_dcacheflush(u1 *addr, s4 nbytes);
1174 #if defined(ENABLE_INTRP)
1175 void intrp_md_init(void);
1182 * These are local overrides for various environment variables in Emacs.
1183 * Please do not remove this and leave it at the end of the file, where
1184 * Emacs will automagically detect them.
1185 * ---------------------------------------------------------------------
1188 * indent-tabs-mode: t
1192 * vim:noexpandtab:sw=4:ts=4: