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 5407 2006-09-07 14:24:00Z edwin $
43 /* forward typedefs ***********************************************************/
45 typedef struct jitdata jitdata;
46 typedef struct stackelement stackelement;
47 typedef stackelement *stackptr;
48 typedef struct basicblock basicblock;
49 typedef struct branchref branchref;
50 typedef struct instruction instruction;
51 typedef struct insinfo_inline insinfo_inline;
57 #include "toolbox/chain.h"
58 #include "vm/global.h"
59 #include "vm/method.h"
60 #include "vm/references.h"
61 #include "vm/resolve.h"
62 #include "vm/statistics.h"
63 #include "vm/jit/codegen-common.h"
64 #include "vm/jit/reg.h"
65 #include "vm/jit/stacktrace.h"
67 #if defined(ENABLE_INLINING)
68 # include "vm/jit/inline/inline.h"
71 #if defined(ENABLE_LOOP)
72 # include "vm/jit/loop/loop.h"
74 #if defined(ENABLE_SSA)
75 # include "vm/jit/optimizing/lsra.h"
77 #if defined(ENABLE_LSRA)
78 # include "vm/jit/allocator/lsra.h"
81 #include "vm/jit/verify/typeinfo.h"
83 /* common jit/codegen macros **************************************************/
85 #if defined(ENABLE_STATISTICS)
86 # define COUNT(x) (x)++
87 # define COUNT_SPILLS count_spills++
89 # define COUNT(x) /* nothing */
90 # define COUNT_SPILLS /* nothing */
94 /* jitdata ********************************************************************/
97 methodinfo *m; /* methodinfo of the method compiled */
101 #if defined(ENABLE_LOOP)
104 #if defined(ENABLE_SSA) || defined(ENABLE_LSRA)
108 u4 flags; /* contains JIT compiler flags */
109 bool isleafmethod; /* does method call subroutines */
111 instruction *new_instructions;
112 basicblock *new_basicblocks;
113 s4 *new_basicblockindex;
114 stackelement *new_stack;
115 s4 new_instructioncount;
116 s4 new_basicblockcount;
126 s4 *local_map; /* internal structure to rename(de-coallesc) locals */
127 /* and keep the coalescing info for simplereg. */
128 /* local_map[local_index * 5 + local_type] = */
129 /* new_index in rd->var or LOCAL_UNUSED */
130 s4 *interface_map; /* like local_map for interfaces */
136 #define JITDATA_FLAG_PARSE 0x00000001
137 #define JITDATA_FLAG_VERIFY 0x00000002
139 #define JITDATA_FLAG_INSTRUMENT 0x00000004
141 #define JITDATA_FLAG_IFCONV 0x00000008
142 #define JITDATA_FLAG_REORDER 0x00000010
144 #define JITDATA_FLAG_SHOWINTERMEDIATE 0x20000000
145 #define JITDATA_FLAG_SHOWDISASSEMBLE 0x40000000
146 #define JITDATA_FLAG_VERBOSECALL 0x80000000
149 #define JITDATA_HAS_FLAG_PARSE(jd) \
150 ((jd)->flags & JITDATA_FLAG_PARSE)
152 #define JITDATA_HAS_FLAG_VERIFY(jd) \
153 ((jd)->flags & JITDATA_FLAG_VERIFY)
155 #define JITDATA_HAS_FLAG_INSTRUMENT(jd) \
156 ((jd)->flags & JITDATA_FLAG_INSTRUMENT)
158 #define JITDATA_HAS_FLAG_IFCONV(jd) \
159 ((jd)->flags & JITDATA_FLAG_IFCONV)
161 #define JITDATA_HAS_FLAG_REORDER(jd) \
162 ((jd)->flags & JITDATA_FLAG_REORDER)
164 #define JITDATA_HAS_FLAG_SHOWINTERMEDIATE(jd) \
165 ((jd)->flags & JITDATA_FLAG_SHOWINTERMEDIATE)
167 #define JITDATA_HAS_FLAG_SHOWDISASSEMBLE(jd) \
168 ((jd)->flags & JITDATA_FLAG_SHOWDISASSEMBLE)
170 #define JITDATA_HAS_FLAG_VERBOSECALL(jd) \
171 ((jd)->flags & JITDATA_FLAG_VERBOSECALL)
174 /* stack element structure ****************************************************/
178 #define SAVEDVAR 1 /* variable has to survive method invocations */
179 #define INMEMORY 2 /* variable stored in memory */
180 #define SAVEDTMP 4 /* temporary variable using a saved register */
181 #define TMPARG 8 /* temporary variable using a arg register */
182 #define STCOPY 16 /* there is another stackslot alive "below" */
183 /* using the same register/memory location */
184 #define STKEEP 32 /* to prevent reg_mark_copy to free this */
186 #define PREALLOC 64 /* preallocated var like for ARGVARS. Used */
187 /* with the new var system */
188 #define OUTVAR 128 /* STACKVR flag for new var system */
190 #define IS_SAVEDVAR(x) ((x) & SAVEDVAR)
191 #define IS_INMEMORY(x) ((x) & INMEMORY)
196 #define UNDEFVAR 0 /* stack slot will become temp during regalloc*/
197 #define TEMPVAR 1 /* stack slot is temp register */
198 #define STACKVAR 2 /* stack slot is numbered stack slot */
199 #define LOCALVAR 3 /* stack slot is local variable */
200 #define ARGVAR 4 /* stack slot is argument variable */
203 struct stackelement {
204 stackptr prev; /* pointer to next element towards bottom */
205 s4 type; /* slot type of stack element */
206 #ifdef ENABLE_VERIFIER
207 typeinfo typeinfo; /* info on reference types */
209 s4 flags; /* flags (SAVED, INMEMORY) */
210 s4 varkind; /* kind of variable or register */
211 s4 varnum; /* number of variable */
212 s4 regoff; /* register number or memory offset */
216 /**************************** instruction structure ***************************/
218 /* branch_target_t: used in TABLESWITCH tables */
221 s4 insindex; /* used between parse and stack */
222 basicblock *block; /* used from stack analysis onwards */
225 /* lookup_target_t: used in LOOKUPSWITCH tables */
228 s4 value; /* case value */
229 branch_target_t target; /* branch target, see above */
254 classref_or_classinfo c;
255 unresolved_class *uc;
256 ptrint constval; /* for PUT*CONST */
257 s4 tablelow; /* for TABLESWITCH */
258 u4 lookupcount; /* for LOOKUPSWITCH */
270 classref_or_classinfo c;
271 constant_FMIref *fmiref;
272 unresolved_method *um;
273 unresolved_field *uf;
274 insinfo_inline *inlineinfo; /* for INLINE_START/END */
275 s4 tablehigh; /* for TABLESWITCH */
276 branch_target_t lookupdefault; /* for LOOKUPSWITCH */
277 branch_target_t jsrtarget; /* for JSR */
278 struct builtintable_entry *bte;
281 /*** val operand ***/
289 java_objectheader *stringconst; /* for ACONST with string */
290 classref_or_classinfo c; /* for ACONST with class */
293 /*** dst operand ***/
302 basicblock *block; /* valid after stack analysis */
303 branch_target_t *table; /* for TABLESWITCH */
304 lookup_target_t *lookup; /* for LOOKUPSWITCH */
305 s4 insindex; /* used between parse and stack */
307 s4 *dupslots; /* for SWAP, DUP* except DUP */
309 stackptr *dupslots; /* for SWAP, DUP* except DUP */
313 /*** flags (32 bits) ***/
315 #define INS_FLAG_UNRESOLVED 0x01 /* contains unresolved field/meth/class*/
316 #define INS_FLAG_CLASS 0x02 /* for ACONST with class */
317 #define INS_FLAG_ARRAY 0x04 /* for CHECKCAST/INSTANCEOF with array */
318 #define INS_FLAG_CHECK 0x08 /* for *ALOAD|*ASTORE: check index */
319 /* for BUILTIN: check exception */
323 struct { /* fields: */
326 u1 type; /* TYPE_* constant for fields */
327 u1 argcount; /* XXX does u1 suffice? */
328 /* for MULTIANEWARRAY and */
330 } f; /* XXX these could be made smaller */
331 /* only MULTIANEWARRAY needs the argcount */
335 bool unresolved:1; /* field/method is unresolved */
336 bool nocheck :1; /* don't check array access */
337 bool branch :1; /* branch to dst.target */
348 /*** instruction ***/
350 /* The instruction format for the intermediate representation: */
354 u2 line; /* line number */
355 #if SIZEOF_VOID_P == 8
356 flags_operand_t flags; /* 4 bytes */
358 s1_operand_t s1; /* pointer-size */
361 s2_operand_t s2; /* pointer-size */
362 s3_operand_t s3; /* pointer-size */
364 val_operand_t val; /* long-size */
366 dst_operand_t dst; /* pointer-size */
367 #if SIZEOF_VOID_P == 4
368 flags_operand_t flags; /* 4 bytes */
373 #define INSTRUCTION_IS_RESOLVED(iptr) \
374 (!((iptr)->flags.bits & INS_FLAG_UNRESOLVED))
376 #define INSTRUCTION_IS_UNRESOLVED(iptr) \
377 ((iptr)->flags.bits & INS_FLAG_UNRESOLVED)
379 #define INSTRUCTION_MUST_CHECK(iptr) \
380 ((iptr)->flags.bits & INS_FLAG_CHECK)
382 #define INSTRUCTION_GET_FIELDREF(iptr,fref) \
384 if (iptr->flags.bits & INS_FLAG_UNRESOLVED) \
385 fref = iptr->sx.s23.s3.uf->fieldref; \
387 fref = iptr->sx.s23.s3.fmiref; \
390 #define INSTRUCTION_GET_METHODREF(iptr,mref) \
392 if (iptr->flags.bits & INS_FLAG_UNRESOLVED) \
393 mref = iptr->sx.s23.s3.um->methodref; \
395 mref = iptr->sx.s23.s3.fmiref; \
398 #define INSTRUCTION_GET_METHODDESC(iptr, md) \
400 if (iptr->flags.bits & INS_FLAG_UNRESOLVED) \
401 md = iptr->sx.s23.s3.um->methodref->parseddesc.md; \
403 md = iptr->sx.s23.s3.fmiref->parseddesc.md; \
407 /* additional info structs for special instructions ***************************/
409 /* for ICMD_INLINE_START and ICMD_INLINE_END */
411 struct insinfo_inline {
412 methodinfo *method; /* the inlined method starting/ending here */
413 methodinfo *outer; /* the outer method suspended/resumed here */
414 s4 startmpc; /* machine code offset of start of inlining */
415 s4 synclocal; /* local index used for synchronization */
416 bool synchronize; /* true if synchronization is needed */
419 /* basicblock *****************************************************************/
428 #define BBTYPECHECK_UNDEF 2
429 #define BBTYPECHECK_REACHED 3
431 #define BBTYPE_STD 0 /* standard basic block type */
432 #define BBTYPE_EXH 1 /* exception handler basic block type */
433 #define BBTYPE_SBR 2 /* subroutine basic block type */
435 #define BBFLAG_REPLACEMENT 0x01 /* put a replacement point at the start */
437 /* XXX basicblock wastes quite a lot of memory by having four flag fields */
438 /* (flags, bitflags, type and lflags). Probably the last three could be */
439 /* combined without loss of efficiency. The first one could be combined with */
440 /* the others by using bitfields. */
443 s4 nr; /* basic block number */
444 s4 flags; /* used during stack analysis, init with -1 */
445 s4 bitflags; /* OR of BBFLAG_... constants, init with 0 */
446 s4 type; /* basic block type (std, xhandler, subroutine*/
447 instruction *iinstr; /* pointer to intermediate code instructions */
448 s4 icount; /* number of intermediate code instructions */
449 s4 mpc; /* machine code pc at start of block */
450 stackptr instack; /* stack at begin of basic block */
451 stackptr outstack; /* stack at end of basic block */
453 s4 *invars; /* array of in-variables at begin of block */
454 s4 *outvars; /* array of out-variables at end of block */
456 stackptr *invars; /* array of in-variables at begin of block */
457 stackptr *outvars; /* array of out-variables at end of block */
459 s4 indepth; /* stack depth at begin of basic block */
460 s4 outdepth; /* stack depth end of basic block */
464 basicblock **predecessors; /* array of predecessor basic blocks */
465 basicblock **successors; /* array of successor basic blocks */
467 branchref *branchrefs; /* list of branches to be patched */
469 basicblock *next; /* used to build a BB list (instead of array) */
470 s4 lflags; /* used during loop copying, init with 0 */
471 basicblock *copied_to; /* points to the copy of this basic block */
472 /* when loop nodes are copied */
473 stackptr stack; /* start of stack array for this block */
474 /* (see doc/stack.txt) */
475 methodinfo *method; /* method this block belongs to */
479 /* Macro for initializing newly allocated basic block's. It does not
480 need to zero fields, as we zero out the whole basic block array. */
482 #define BASICBLOCK_INIT(bptr,m) \
486 bptr->type = BBTYPE_STD; \
487 bptr->method = (m); \
488 bptr->nr = (m)->c_debug_nr++; \
492 /* branchref *****************************************************************/
495 s4 branchpos; /* patching position in code segment */
496 branchref *next; /* next element in branchref list */
500 /********** op1 values for ACONST instructions ********************************/
502 #define ACONST_LOAD 0 /* ACONST_NULL or LDC instruction */
503 #define ACONST_BUILTIN 1 /* constant argument for a builtin function call */
506 /********** JavaVM operation codes (sorted) and instruction lengths ***********/
508 extern char *icmd_names[256];
509 extern char *opcode_names[256];
510 extern int jcommandsize[256];
515 #define JAVA_ACONST_NULL 1
516 #define ICMD_ACONST 1 /* val.a = constant */
518 #define JAVA_ICONST_M1 2
519 #define ICMD_CHECKNULL 2
521 #define JAVA_ICONST_0 3
522 #define ICMD_ICONST 3 /* val.i = constant */
524 #define JAVA_ICONST_1 4
525 #define ICMD_CHECKNULL_POP 4
527 #define JAVA_ICONST_2 5
528 #define ICMD_IDIVPOW2 5 /* val.i = constant */
530 #define JAVA_ICONST_3 6
531 #define ICMD_LDIVPOW2 6 /* val.l = constant */
533 #define JAVA_ICONST_4 7
535 #define JAVA_ICONST_5 8
537 #define JAVA_LCONST_0 9
538 #define ICMD_LCONST 9 /* val.l = constant */
540 #define JAVA_LCONST_1 10
541 #define ICMD_LCMPCONST 10 /* val.l = constant */
543 #define JAVA_FCONST_0 11
544 #define ICMD_FCONST 11 /* val.f = constant */
546 #define JAVA_FCONST_1 12
548 #define JAVA_FCONST_2 13
550 #define JAVA_DCONST_0 14
551 #define ICMD_DCONST 14 /* val.d = constant */
553 #define JAVA_DCONST_1 15
556 #define JAVA_BIPUSH 16
559 #define JAVA_SIPUSH 17
565 #define JAVA_LDC2W 20
567 /* order of LOAD instructions must be */
568 /* equal to order of TYPE_* defines */
569 #define JAVA_ILOAD 21
570 #define ICMD_ILOAD 21 /* op1 = local variable */
572 #define JAVA_LLOAD 22
573 #define ICMD_LLOAD 22 /* op1 = local variable */
575 #define JAVA_FLOAD 23
576 #define ICMD_FLOAD 23 /* op1 = local variable */
578 #define JAVA_DLOAD 24
579 #define ICMD_DLOAD 24 /* op1 = local variable */
581 #define JAVA_ALOAD 25
582 #define ICMD_ALOAD 25 /* op1 = local variable */
584 #define JAVA_ILOAD_0 26
585 #define ICMD_IADDCONST 26 /* val.i = constant */
587 #define JAVA_ILOAD_1 27
588 #define ICMD_ISUBCONST 27 /* val.i = constant */
590 #define JAVA_ILOAD_2 28
591 #define ICMD_IMULCONST 28 /* val.i = constant */
593 #define JAVA_ILOAD_3 29
594 #define ICMD_IANDCONST 29 /* val.i = constant */
596 #define JAVA_LLOAD_0 30
597 #define ICMD_IORCONST 30 /* val.i = constant */
599 #define JAVA_LLOAD_1 31
600 #define ICMD_IXORCONST 31 /* val.i = constant */
602 #define JAVA_LLOAD_2 32
603 #define ICMD_ISHLCONST 32 /* val.i = constant */
605 #define JAVA_LLOAD_3 33
606 #define ICMD_ISHRCONST 33 /* val.i = constant */
608 #define JAVA_FLOAD_0 34
609 #define ICMD_IUSHRCONST 34 /* val.i = constant */
611 #define JAVA_FLOAD_1 35
612 #define ICMD_IREMPOW2 35 /* val.i = constant */
614 #define JAVA_FLOAD_2 36
615 #define ICMD_LADDCONST 36 /* val.l = constant */
617 #define JAVA_FLOAD_3 37
618 #define ICMD_LSUBCONST 37 /* val.l = constant */
620 #define JAVA_DLOAD_0 38
621 #define ICMD_LMULCONST 38 /* val.l = constant */
623 #define JAVA_DLOAD_1 39
624 #define ICMD_LANDCONST 39 /* val.l = constant */
626 #define JAVA_DLOAD_2 40
627 #define ICMD_LORCONST 40 /* val.l = constant */
629 #define JAVA_DLOAD_3 41
630 #define ICMD_LXORCONST 41 /* val.l = constant */
632 #define JAVA_ALOAD_0 42
633 #define ICMD_LSHLCONST 42 /* val.l = constant */
635 #define JAVA_ALOAD_1 43
636 #define ICMD_LSHRCONST 43 /* val.l = constant */
638 #define JAVA_ALOAD_2 44
639 #define ICMD_LUSHRCONST 44 /* val.l = constant */
641 #define JAVA_ALOAD_3 45
642 #define ICMD_LREMPOW2 45 /* val.l = constant */
644 #define JAVA_IALOAD 46
645 #define ICMD_IALOAD 46
647 #define JAVA_LALOAD 47
648 #define ICMD_LALOAD 47
650 #define JAVA_FALOAD 48
651 #define ICMD_FALOAD 48
653 #define JAVA_DALOAD 49
654 #define ICMD_DALOAD 49
656 #define JAVA_AALOAD 50
657 #define ICMD_AALOAD 50
659 #define JAVA_BALOAD 51
660 #define ICMD_BALOAD 51
662 #define JAVA_CALOAD 52
663 #define ICMD_CALOAD 52
665 #define JAVA_SALOAD 53
666 #define ICMD_SALOAD 53
668 /* order of STORE instructions must be*/
669 /* equal to order of TYPE_* defines */
670 #define JAVA_ISTORE 54
671 #define ICMD_ISTORE 54 /* op1 = local variable */
673 #define JAVA_LSTORE 55
674 #define ICMD_LSTORE 55 /* op1 = local variable */
676 #define JAVA_FSTORE 56
677 #define ICMD_FSTORE 56 /* op1 = local variable */
679 #define JAVA_DSTORE 57
680 #define ICMD_DSTORE 57 /* op1 = local variable */
682 #define JAVA_ASTORE 58
683 #define ICMD_ASTORE 58 /* op1 = local variable */
685 #define JAVA_ISTORE_0 59
686 #define ICMD_IF_LEQ 59 /* op1 = target JavaVM pc, val.l */
688 #define JAVA_ISTORE_1 60
689 #define ICMD_IF_LNE 60 /* op1 = target JavaVM pc, val.l */
691 #define JAVA_ISTORE_2 61
692 #define ICMD_IF_LLT 61 /* op1 = target JavaVM pc, val.l */
694 #define JAVA_ISTORE_3 62
695 #define ICMD_IF_LGE 62 /* op1 = target JavaVM pc, val.l */
697 #define JAVA_LSTORE_0 63
698 #define ICMD_IF_LGT 63 /* op1 = target JavaVM pc, val.l */
700 #define JAVA_LSTORE_1 64
701 #define ICMD_IF_LLE 64 /* op1 = target JavaVM pc, val.l */
703 #define JAVA_LSTORE_2 65
704 #define ICMD_IF_LCMPEQ 65 /* op1 = target JavaVM pc */
706 #define JAVA_LSTORE_3 66
707 #define ICMD_IF_LCMPNE 66 /* op1 = target JavaVM pc */
709 #define JAVA_FSTORE_0 67
710 #define ICMD_IF_LCMPLT 67 /* op1 = target JavaVM pc */
712 #define JAVA_FSTORE_1 68
713 #define ICMD_IF_LCMPGE 68 /* op1 = target JavaVM pc */
715 #define JAVA_FSTORE_2 69
716 #define ICMD_IF_LCMPGT 69 /* op1 = target JavaVM pc */
718 #define JAVA_FSTORE_3 70
719 #define ICMD_IF_LCMPLE 70 /* op1 = target JavaVM pc */
721 #define JAVA_DSTORE_0 71
723 #define JAVA_DSTORE_1 72
725 #define JAVA_DSTORE_2 73
727 #define JAVA_DSTORE_3 74
729 #define JAVA_ASTORE_0 75
731 #define JAVA_ASTORE_1 76
733 #define JAVA_ASTORE_2 77
735 #define JAVA_ASTORE_3 78
737 #define JAVA_IASTORE 79
738 #define ICMD_IASTORE 79
740 #define JAVA_LASTORE 80
741 #define ICMD_LASTORE 80
743 #define JAVA_FASTORE 81
744 #define ICMD_FASTORE 81
746 #define JAVA_DASTORE 82
747 #define ICMD_DASTORE 82
749 #define JAVA_AASTORE 83
750 #define ICMD_AASTORE 83
752 #define JAVA_BASTORE 84
753 #define ICMD_BASTORE 84
755 #define JAVA_CASTORE 85
756 #define ICMD_CASTORE 85
758 #define JAVA_SASTORE 86
759 #define ICMD_SASTORE 86
770 #define JAVA_DUP_X1 90
771 #define ICMD_DUP_X1 90
773 #define JAVA_DUP_X2 91
774 #define ICMD_DUP_X2 91
779 #define JAVA_DUP2_X1 93
780 #define ICMD_DUP2_X1 93
782 #define JAVA_DUP2_X2 94
783 #define ICMD_DUP2_X2 94
800 #define JAVA_ISUB 100
801 #define ICMD_ISUB 100
803 #define JAVA_LSUB 101
804 #define ICMD_LSUB 101
806 #define JAVA_FSUB 102
807 #define ICMD_FSUB 102
809 #define JAVA_DSUB 103
810 #define ICMD_DSUB 103
812 #define JAVA_IMUL 104
813 #define ICMD_IMUL 104
815 #define JAVA_LMUL 105
816 #define ICMD_LMUL 105
818 #define JAVA_FMUL 106
819 #define ICMD_FMUL 106
821 #define JAVA_DMUL 107
822 #define ICMD_DMUL 107
824 #define JAVA_IDIV 108
825 #define ICMD_IDIV 108
827 #define JAVA_LDIV 109
828 #define ICMD_LDIV 109
830 #define JAVA_FDIV 110
831 #define ICMD_FDIV 110
833 #define JAVA_DDIV 111
834 #define ICMD_DDIV 111
836 #define JAVA_IREM 112
837 #define ICMD_IREM 112
839 #define JAVA_LREM 113
840 #define ICMD_LREM 113
842 #define JAVA_FREM 114
843 #define ICMD_FREM 114
845 #define JAVA_DREM 115
846 #define ICMD_DREM 115
848 #define JAVA_INEG 116
849 #define ICMD_INEG 116
851 #define JAVA_LNEG 117
852 #define ICMD_LNEG 117
854 #define JAVA_FNEG 118
855 #define ICMD_FNEG 118
857 #define JAVA_DNEG 119
858 #define ICMD_DNEG 119
860 #define JAVA_ISHL 120
861 #define ICMD_ISHL 120
863 #define JAVA_LSHL 121
864 #define ICMD_LSHL 121
866 #define JAVA_ISHR 122
867 #define ICMD_ISHR 122
869 #define JAVA_LSHR 123
870 #define ICMD_LSHR 123
872 #define JAVA_IUSHR 124
873 #define ICMD_IUSHR 124
875 #define JAVA_LUSHR 125
876 #define ICMD_LUSHR 125
878 #define JAVA_IAND 126
879 #define ICMD_IAND 126
881 #define JAVA_LAND 127
882 #define ICMD_LAND 127
890 #define JAVA_IXOR 130
891 #define ICMD_IXOR 130
893 #define JAVA_LXOR 131
894 #define ICMD_LXOR 131
896 #define JAVA_IINC 132
897 #define ICMD_IINC 132 /* op1 = local variable, val.i = constant */
935 #define JAVA_INT2BYTE 145
936 #define ICMD_INT2BYTE 145
938 #define JAVA_INT2CHAR 146
939 #define ICMD_INT2CHAR 146
941 #define JAVA_INT2SHORT 147
942 #define ICMD_INT2SHORT 147
944 #define JAVA_LCMP 148
945 #define ICMD_LCMP 148
947 #define JAVA_FCMPL 149
948 #define ICMD_FCMPL 149
950 #define JAVA_FCMPG 150
951 #define ICMD_FCMPG 150
953 #define JAVA_DCMPL 151
954 #define ICMD_DCMPL 151
956 #define JAVA_DCMPG 152
957 #define ICMD_DCMPG 152
959 #define JAVA_IFEQ 153
960 #define ICMD_IFEQ 153 /* op1 = target JavaVM pc, val.i */
962 #define JAVA_IFNE 154
963 #define ICMD_IFNE 154 /* op1 = target JavaVM pc, val.i */
965 #define JAVA_IFLT 155
966 #define ICMD_IFLT 155 /* op1 = target JavaVM pc, val.i */
968 #define JAVA_IFGE 156
969 #define ICMD_IFGE 156 /* op1 = target JavaVM pc, val.i */
971 #define JAVA_IFGT 157
972 #define ICMD_IFGT 157 /* op1 = target JavaVM pc, val.i */
974 #define JAVA_IFLE 158
975 #define ICMD_IFLE 158 /* op1 = target JavaVM pc, val.i */
977 #define JAVA_IF_ICMPEQ 159
978 #define ICMD_IF_ICMPEQ 159 /* op1 = target JavaVM pc */
980 #define JAVA_IF_ICMPNE 160
981 #define ICMD_IF_ICMPNE 160 /* op1 = target JavaVM pc */
983 #define JAVA_IF_ICMPLT 161
984 #define ICMD_IF_ICMPLT 161 /* op1 = target JavaVM pc */
986 #define JAVA_IF_ICMPGE 162
987 #define ICMD_IF_ICMPGE 162 /* op1 = target JavaVM pc */
989 #define JAVA_IF_ICMPGT 163
990 #define ICMD_IF_ICMPGT 163 /* op1 = target JavaVM pc */
992 #define JAVA_IF_ICMPLE 164
993 #define ICMD_IF_ICMPLE 164 /* op1 = target JavaVM pc */
995 #define JAVA_IF_ACMPEQ 165
996 #define ICMD_IF_ACMPEQ 165 /* op1 = target JavaVM pc */
998 #define JAVA_IF_ACMPNE 166
999 #define ICMD_IF_ACMPNE 166 /* op1 = target JavaVM pc */
1001 #define JAVA_GOTO 167
1002 #define ICMD_GOTO 167 /* op1 = target JavaVM pc */
1004 #define JAVA_JSR 168
1005 #define ICMD_JSR 168 /* op1 = target JavaVM pc */
1007 #define JAVA_RET 169
1008 #define ICMD_RET 169 /* op1 = local variable */
1010 #define JAVA_TABLESWITCH 170
1011 #define ICMD_TABLESWITCH 170 /* val.a = pointer to s4 table */
1012 /* length must be computed */
1013 #define JAVA_LOOKUPSWITCH 171
1014 #define ICMD_LOOKUPSWITCH 171 /* val.a = pointer to s4 table */
1015 /* length must be computed */
1016 #define JAVA_IRETURN 172
1017 #define ICMD_IRETURN 172
1019 #define JAVA_LRETURN 173
1020 #define ICMD_LRETURN 173
1022 #define JAVA_FRETURN 174
1023 #define ICMD_FRETURN 174
1025 #define JAVA_DRETURN 175
1026 #define ICMD_DRETURN 175
1028 #define JAVA_ARETURN 176
1029 #define ICMD_ARETURN 176
1031 #define JAVA_RETURN 177
1032 #define ICMD_RETURN 177
1034 #define JAVA_GETSTATIC 178
1035 #define ICMD_GETSTATIC 178 /* op1 = type, val.a = field address */
1037 #define JAVA_PUTSTATIC 179
1038 #define ICMD_PUTSTATIC 179 /* op1 = type, val.a = field address */
1040 #define JAVA_GETFIELD 180
1041 #define ICMD_GETFIELD 180 /* op1 = type, val.i = field offset */
1043 #define JAVA_PUTFIELD 181
1044 #define ICMD_PUTFIELD 181 /* op1 = type, val.i = field offset */
1046 #define JAVA_INVOKEVIRTUAL 182
1047 #define ICMD_INVOKEVIRTUAL 182 /* val.a = method info pointer */
1049 #define JAVA_INVOKESPECIAL 183
1050 #define ICMD_INVOKESPECIAL 183 /* val.a = method info pointer */
1052 #define JAVA_INVOKESTATIC 184
1053 #define ICMD_INVOKESTATIC 184 /* val.a = method info pointer */
1055 #define JAVA_INVOKEINTERFACE 185
1056 #define ICMD_INVOKEINTERFACE 185 /* val.a = method info pointer */
1060 #define JAVA_NEW 187
1061 #define ICMD_NEW 187 /* op1 = 1, val.a = class pointer */
1063 #define JAVA_NEWARRAY 188
1064 #define ICMD_NEWARRAY 188 /* op1 = basic type */
1066 #define JAVA_ANEWARRAY 189
1067 #define ICMD_ANEWARRAY 189 /* op1 = 0, val.a = array pointer */
1068 /* op1 = 1, val.a = class pointer */
1069 #define JAVA_ARRAYLENGTH 190
1070 #define ICMD_ARRAYLENGTH 190
1072 #define JAVA_ATHROW 191
1073 #define ICMD_ATHROW 191
1075 #define JAVA_CHECKCAST 192
1076 #define ICMD_CHECKCAST 192 /* op1 = 0, val.a = array pointer */
1077 /* op1 = 1, val.a = class pointer */
1078 #define JAVA_INSTANCEOF 193
1079 #define ICMD_INSTANCEOF 193 /* op1 = 0, val.a = array pointer */
1080 /* op1 = 1, val.a = class pointer */
1081 #define JAVA_MONITORENTER 194
1082 #define ICMD_MONITORENTER 194
1084 #define JAVA_MONITOREXIT 195
1085 #define ICMD_MONITOREXIT 195
1087 #define JAVA_WIDE 196
1089 #define JAVA_MULTIANEWARRAY 197
1090 #define ICMD_MULTIANEWARRAY 197 /* op1 = dimension, val.a = array */
1092 #define JAVA_IFNULL 198
1093 #define ICMD_IFNULL 198 /* op1 = target JavaVM pc */
1095 #define JAVA_IFNONNULL 199
1096 #define ICMD_IFNONNULL 199 /* op1 = target JavaVM pc */
1098 #define JAVA_GOTO_W 200
1100 #define JAVA_JSR_W 201
1102 #define JAVA_BREAKPOINT 202
1106 #define ICMD_IASTORECONST 204
1107 #define ICMD_LASTORECONST 205
1108 #define ICMD_FASTORECONST 206
1109 #define ICMD_DASTORECONST 207
1110 #define ICMD_AASTORECONST 208
1111 #define ICMD_BASTORECONST 209
1112 #define ICMD_CASTORECONST 210
1113 #define ICMD_SASTORECONST 211
1115 #define ICMD_PUTSTATICCONST 212
1116 #define ICMD_PUTFIELDCONST 213
1118 #define ICMD_IMULPOW2 214
1119 #define ICMD_LMULPOW2 215
1121 #define ICMD_IF_FCMPEQ 216
1122 #define ICMD_IF_FCMPNE 217
1124 #define ICMD_IF_FCMPL_LT 218
1125 #define ICMD_IF_FCMPL_GE 219
1126 #define ICMD_IF_FCMPL_GT 220
1127 #define ICMD_IF_FCMPL_LE 221
1129 #define ICMD_IF_FCMPG_LT 222
1130 #define ICMD_IF_FCMPG_GE 223
1131 #define ICMD_IF_FCMPG_GT 224
1132 #define ICMD_IF_FCMPG_LE 225
1134 #define ICMD_IF_DCMPEQ 226
1135 #define ICMD_IF_DCMPNE 227
1137 #define ICMD_IF_DCMPL_LT 228
1138 #define ICMD_IF_DCMPL_GE 229
1139 #define ICMD_IF_DCMPL_GT 230
1140 #define ICMD_IF_DCMPL_LE 231
1142 #define ICMD_IF_DCMPG_LT 232
1143 #define ICMD_IF_DCMPG_GE 233
1144 #define ICMD_IF_DCMPG_GT 234
1145 #define ICMD_IF_DCMPG_LE 235
1147 #define ICMD_INLINE_START 251 /* instruction before inlined method */
1148 #define ICMD_INLINE_END 252 /* instruction after inlined method */
1149 #define ICMD_INLINE_GOTO 253 /* jump to caller of inlined method */
1151 #define ICMD_BUILTIN 255 /* internal opcode */
1154 /******************* description of JavaVM instructions ***********************/
1158 /***************************** register types *********************************/
1160 #define REG_RES 0 /* reserved register for OS or code generator */
1161 #define REG_RET 1 /* return value register */
1162 #define REG_EXC 2 /* exception value register */
1163 #define REG_SAV 3 /* (callee) saved register */
1164 #define REG_TMP 4 /* scratch temporary register (caller saved) */
1165 #define REG_ARG 5 /* argument register (caller saved) */
1167 #define REG_END -1 /* last entry in tables */
1169 #define PARAMMODE_NUMBERED 0
1170 #define PARAMMODE_STUFFED 1
1173 /***************************** register info block ****************************/
1175 extern int stackreq[256];
1176 /* extern int op_needs_saved[256]; */
1177 /* extern int op_is_pei[256]; */
1178 #define NEEDS_SAVED 0
1180 #define OP_DATA_SIZE 2
1181 extern int op_data[256][OP_DATA_SIZE];
1182 /* [0..255][NEEDS_SAVED] ... if ICMD needs a SAVEDVAR */
1183 /* [0..255][PEI] ... if ICMD could throw an exception */
1185 /* function prototypes ********************************************************/
1187 /* compiler initialisation */
1188 void jit_init(void);
1190 /* compiler finalisation */
1191 void jit_close(void);
1193 /* compile a method with jit compiler */
1194 u1 *jit_compile(methodinfo *m);
1195 u1 *jit_recompile(methodinfo *m);
1197 /* patch the method entrypoint */
1198 u1 *jit_asm_compile(methodinfo *m, u1 *mptr, u1 *sp, u1 *ra);
1200 s4 jit_complement_condition(s4 opcode);
1202 /* machine dependent functions */
1203 #if defined(ENABLE_JIT)
1206 u1 *md_get_method_patch_address(u1 *ra, stackframeinfo *sfi, u1 *mptr);
1208 void md_cacheflush(u1 *addr, s4 nbytes);
1209 void md_icacheflush(u1 *addr, s4 nbytes);
1210 void md_dcacheflush(u1 *addr, s4 nbytes);
1213 #if defined(ENABLE_INTRP)
1214 void intrp_md_init(void);
1221 * These are local overrides for various environment variables in Emacs.
1222 * Please do not remove this and leave it at the end of the file, where
1223 * Emacs will automagically detect them.
1224 * ---------------------------------------------------------------------
1227 * indent-tabs-mode: t
1231 * vim:noexpandtab:sw=4:ts=4: