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 5427 2006-09-08 16:07:48Z 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 */
93 typedef struct interface_info interface_info;
95 struct interface_info {
101 /* jitdata ********************************************************************/
104 methodinfo *m; /* methodinfo of the method compiled */
108 #if defined(ENABLE_LOOP)
111 #if defined(ENABLE_SSA) || defined(ENABLE_LSRA)
115 u4 flags; /* contains JIT compiler flags */
116 bool isleafmethod; /* does method call subroutines */
118 instruction *new_instructions;
119 basicblock *new_basicblocks;
120 s4 *new_basicblockindex;
121 stackelement *new_stack;
122 s4 new_instructioncount;
123 s4 new_basicblockcount;
132 s4 *local_map; /* internal structure to rename(de-coallesc) locals */
133 /* and keep the coalescing info for simplereg. */
134 /* local_map[local_index * 5 + local_type] = */
135 /* new_index in rd->var or UNUSED */
136 interface_info *interface_map;
141 #define JITDATA_FLAG_PARSE 0x00000001
142 #define JITDATA_FLAG_VERIFY 0x00000002
144 #define JITDATA_FLAG_INSTRUMENT 0x00000004
146 #define JITDATA_FLAG_IFCONV 0x00000008
147 #define JITDATA_FLAG_REORDER 0x00000010
149 #define JITDATA_FLAG_SHOWINTERMEDIATE 0x20000000
150 #define JITDATA_FLAG_SHOWDISASSEMBLE 0x40000000
151 #define JITDATA_FLAG_VERBOSECALL 0x80000000
154 #define JITDATA_HAS_FLAG_PARSE(jd) \
155 ((jd)->flags & JITDATA_FLAG_PARSE)
157 #define JITDATA_HAS_FLAG_VERIFY(jd) \
158 ((jd)->flags & JITDATA_FLAG_VERIFY)
160 #define JITDATA_HAS_FLAG_INSTRUMENT(jd) \
161 ((jd)->flags & JITDATA_FLAG_INSTRUMENT)
163 #define JITDATA_HAS_FLAG_IFCONV(jd) \
164 ((jd)->flags & JITDATA_FLAG_IFCONV)
166 #define JITDATA_HAS_FLAG_REORDER(jd) \
167 ((jd)->flags & JITDATA_FLAG_REORDER)
169 #define JITDATA_HAS_FLAG_SHOWINTERMEDIATE(jd) \
170 ((jd)->flags & JITDATA_FLAG_SHOWINTERMEDIATE)
172 #define JITDATA_HAS_FLAG_SHOWDISASSEMBLE(jd) \
173 ((jd)->flags & JITDATA_FLAG_SHOWDISASSEMBLE)
175 #define JITDATA_HAS_FLAG_VERBOSECALL(jd) \
176 ((jd)->flags & JITDATA_FLAG_VERBOSECALL)
179 /* stack element structure ****************************************************/
183 #define SAVEDVAR 1 /* variable has to survive method invocations */
184 #define INMEMORY 2 /* variable stored in memory */
185 #define SAVEDTMP 4 /* temporary variable using a saved register */
186 #define TMPARG 8 /* temporary variable using a arg register */
187 #define STCOPY 16 /* there is another stackslot alive "below" */
188 /* using the same register/memory location */
189 #define STKEEP 32 /* to prevent reg_mark_copy to free this */
191 #define PREALLOC 64 /* preallocated var like for ARGVARS. Used */
192 /* with the new var system */
193 #define OUTVAR 128 /* STACKVR flag for new var system */
195 #define IS_SAVEDVAR(x) ((x) & SAVEDVAR)
196 #define IS_INMEMORY(x) ((x) & INMEMORY)
201 #define UNDEFVAR 0 /* stack slot will become temp during regalloc*/
202 #define TEMPVAR 1 /* stack slot is temp register */
203 #define STACKVAR 2 /* stack slot is numbered stack slot */
204 #define LOCALVAR 3 /* stack slot is local variable */
205 #define ARGVAR 4 /* stack slot is argument variable */
208 struct stackelement {
209 stackptr prev; /* pointer to next element towards bottom */
210 s4 type; /* slot type of stack element */
211 #ifdef ENABLE_VERIFIER
212 typeinfo typeinfo; /* info on reference types */
214 s4 flags; /* flags (SAVED, INMEMORY) */
215 s4 varkind; /* kind of variable or register */
216 s4 varnum; /* number of variable */
217 s4 regoff; /* register number or memory offset */
221 /**************************** instruction structure ***************************/
223 /* branch_target_t: used in TABLESWITCH tables */
226 s4 insindex; /* used between parse and stack */
227 basicblock *block; /* used from stack analysis onwards */
230 /* lookup_target_t: used in LOOKUPSWITCH tables */
233 s4 value; /* case value */
234 branch_target_t target; /* branch target, see above */
259 classref_or_classinfo c;
260 unresolved_class *uc;
261 ptrint constval; /* for PUT*CONST */
262 s4 tablelow; /* for TABLESWITCH */
263 u4 lookupcount; /* for LOOKUPSWITCH */
275 classref_or_classinfo c;
276 constant_FMIref *fmiref;
277 unresolved_method *um;
278 unresolved_field *uf;
279 insinfo_inline *inlineinfo; /* for INLINE_START/END */
280 s4 tablehigh; /* for TABLESWITCH */
281 branch_target_t lookupdefault; /* for LOOKUPSWITCH */
282 branch_target_t jsrtarget; /* for JSR */
283 struct builtintable_entry *bte;
286 /*** val operand ***/
294 java_objectheader *stringconst; /* for ACONST with string */
295 classref_or_classinfo c; /* for ACONST with class */
298 /*** dst operand ***/
307 basicblock *block; /* valid after stack analysis */
308 branch_target_t *table; /* for TABLESWITCH */
309 lookup_target_t *lookup; /* for LOOKUPSWITCH */
310 s4 insindex; /* used between parse and stack */
312 s4 *dupslots; /* for SWAP, DUP* except DUP */
314 stackptr *dupslots; /* for SWAP, DUP* except DUP */
318 /*** flags (32 bits) ***/
320 #define INS_FLAG_UNRESOLVED 0x01 /* contains unresolved field/meth/class*/
321 #define INS_FLAG_CLASS 0x02 /* for ACONST with class */
322 #define INS_FLAG_ARRAY 0x04 /* for CHECKCAST/INSTANCEOF with array */
323 #define INS_FLAG_CHECK 0x08 /* for *ALOAD|*ASTORE: check index */
324 /* for BUILTIN: check exception */
328 struct { /* fields: */
331 u1 type; /* TYPE_* constant for fields */
332 u1 argcount; /* XXX does u1 suffice? */
333 /* for MULTIANEWARRAY and */
335 } f; /* XXX these could be made smaller */
336 /* only MULTIANEWARRAY needs the argcount */
340 bool unresolved:1; /* field/method is unresolved */
341 bool nocheck :1; /* don't check array access */
342 bool branch :1; /* branch to dst.target */
353 /*** instruction ***/
355 /* The instruction format for the intermediate representation: */
359 u2 line; /* line number */
360 #if SIZEOF_VOID_P == 8
361 flags_operand_t flags; /* 4 bytes */
363 s1_operand_t s1; /* pointer-size */
366 s2_operand_t s2; /* pointer-size */
367 s3_operand_t s3; /* pointer-size */
369 val_operand_t val; /* long-size */
371 dst_operand_t dst; /* pointer-size */
372 #if SIZEOF_VOID_P == 4
373 flags_operand_t flags; /* 4 bytes */
378 #define INSTRUCTION_IS_RESOLVED(iptr) \
379 (!((iptr)->flags.bits & INS_FLAG_UNRESOLVED))
381 #define INSTRUCTION_IS_UNRESOLVED(iptr) \
382 ((iptr)->flags.bits & INS_FLAG_UNRESOLVED)
384 #define INSTRUCTION_MUST_CHECK(iptr) \
385 ((iptr)->flags.bits & INS_FLAG_CHECK)
387 #define INSTRUCTION_GET_FIELDREF(iptr,fref) \
389 if (iptr->flags.bits & INS_FLAG_UNRESOLVED) \
390 fref = iptr->sx.s23.s3.uf->fieldref; \
392 fref = iptr->sx.s23.s3.fmiref; \
395 #define INSTRUCTION_GET_METHODREF(iptr,mref) \
397 if (iptr->flags.bits & INS_FLAG_UNRESOLVED) \
398 mref = iptr->sx.s23.s3.um->methodref; \
400 mref = iptr->sx.s23.s3.fmiref; \
403 #define INSTRUCTION_GET_METHODDESC(iptr, md) \
405 if (iptr->flags.bits & INS_FLAG_UNRESOLVED) \
406 md = iptr->sx.s23.s3.um->methodref->parseddesc.md; \
408 md = iptr->sx.s23.s3.fmiref->parseddesc.md; \
412 /* additional info structs for special instructions ***************************/
414 /* for ICMD_INLINE_START and ICMD_INLINE_END */
416 struct insinfo_inline {
417 methodinfo *method; /* the inlined method starting/ending here */
418 methodinfo *outer; /* the outer method suspended/resumed here */
419 s4 startmpc; /* machine code offset of start of inlining */
420 s4 synclocal; /* local index used for synchronization */
421 bool synchronize; /* true if synchronization is needed */
424 /* basicblock *****************************************************************/
433 #define BBTYPECHECK_UNDEF 2
434 #define BBTYPECHECK_REACHED 3
436 #define BBTYPE_STD 0 /* standard basic block type */
437 #define BBTYPE_EXH 1 /* exception handler basic block type */
438 #define BBTYPE_SBR 2 /* subroutine basic block type */
440 #define BBFLAG_REPLACEMENT 0x01 /* put a replacement point at the start */
442 /* XXX basicblock wastes quite a lot of memory by having four flag fields */
443 /* (flags, bitflags, type and lflags). Probably the last three could be */
444 /* combined without loss of efficiency. The first one could be combined with */
445 /* the others by using bitfields. */
448 s4 nr; /* basic block number */
449 s4 flags; /* used during stack analysis, init with -1 */
450 s4 bitflags; /* OR of BBFLAG_... constants, init with 0 */
451 s4 type; /* basic block type (std, xhandler, subroutine*/
452 instruction *iinstr; /* pointer to intermediate code instructions */
453 s4 icount; /* number of intermediate code instructions */
454 s4 mpc; /* machine code pc at start of block */
455 stackptr instack; /* stack at begin of basic block */
456 stackptr outstack; /* stack at end of basic block */
458 s4 *invars; /* array of in-variables at begin of block */
459 s4 *outvars; /* array of out-variables at end of block */
461 stackptr *invars; /* array of in-variables at begin of block */
462 stackptr *outvars; /* array of out-variables at end of block */
464 s4 indepth; /* stack depth at begin of basic block */
465 s4 outdepth; /* stack depth end of basic block */
469 basicblock **predecessors; /* array of predecessor basic blocks */
470 basicblock **successors; /* array of successor basic blocks */
472 branchref *branchrefs; /* list of branches to be patched */
474 basicblock *next; /* used to build a BB list (instead of array) */
475 s4 lflags; /* used during loop copying, init with 0 */
476 basicblock *copied_to; /* points to the copy of this basic block */
477 /* when loop nodes are copied */
478 stackptr stack; /* start of stack array for this block */
479 /* (see doc/stack.txt) */
480 methodinfo *method; /* method this block belongs to */
484 /* Macro for initializing newly allocated basic block's. It does not
485 need to zero fields, as we zero out the whole basic block array. */
487 #define BASICBLOCK_INIT(bptr,m) \
491 bptr->type = BBTYPE_STD; \
492 bptr->method = (m); \
493 bptr->nr = (m)->c_debug_nr++; \
497 /* branchref *****************************************************************/
500 s4 branchpos; /* patching position in code segment */
501 branchref *next; /* next element in branchref list */
505 /********** op1 values for ACONST instructions ********************************/
507 #define ACONST_LOAD 0 /* ACONST_NULL or LDC instruction */
508 #define ACONST_BUILTIN 1 /* constant argument for a builtin function call */
511 /********** JavaVM operation codes (sorted) and instruction lengths ***********/
513 extern char *icmd_names[256];
514 extern char *opcode_names[256];
515 extern int jcommandsize[256];
520 #define JAVA_ACONST_NULL 1
521 #define ICMD_ACONST 1 /* val.a = constant */
523 #define JAVA_ICONST_M1 2
524 #define ICMD_CHECKNULL 2
526 #define JAVA_ICONST_0 3
527 #define ICMD_ICONST 3 /* val.i = constant */
529 #define JAVA_ICONST_1 4
530 #define ICMD_CHECKNULL_POP 4
532 #define JAVA_ICONST_2 5
533 #define ICMD_IDIVPOW2 5 /* val.i = constant */
535 #define JAVA_ICONST_3 6
536 #define ICMD_LDIVPOW2 6 /* val.l = constant */
538 #define JAVA_ICONST_4 7
540 #define JAVA_ICONST_5 8
542 #define JAVA_LCONST_0 9
543 #define ICMD_LCONST 9 /* val.l = constant */
545 #define JAVA_LCONST_1 10
546 #define ICMD_LCMPCONST 10 /* val.l = constant */
548 #define JAVA_FCONST_0 11
549 #define ICMD_FCONST 11 /* val.f = constant */
551 #define JAVA_FCONST_1 12
553 #define JAVA_FCONST_2 13
555 #define JAVA_DCONST_0 14
556 #define ICMD_DCONST 14 /* val.d = constant */
558 #define JAVA_DCONST_1 15
561 #define JAVA_BIPUSH 16
564 #define JAVA_SIPUSH 17
570 #define JAVA_LDC2W 20
572 /* order of LOAD instructions must be */
573 /* equal to order of TYPE_* defines */
574 #define JAVA_ILOAD 21
575 #define ICMD_ILOAD 21 /* op1 = local variable */
577 #define JAVA_LLOAD 22
578 #define ICMD_LLOAD 22 /* op1 = local variable */
580 #define JAVA_FLOAD 23
581 #define ICMD_FLOAD 23 /* op1 = local variable */
583 #define JAVA_DLOAD 24
584 #define ICMD_DLOAD 24 /* op1 = local variable */
586 #define JAVA_ALOAD 25
587 #define ICMD_ALOAD 25 /* op1 = local variable */
589 #define JAVA_ILOAD_0 26
590 #define ICMD_IADDCONST 26 /* val.i = constant */
592 #define JAVA_ILOAD_1 27
593 #define ICMD_ISUBCONST 27 /* val.i = constant */
595 #define JAVA_ILOAD_2 28
596 #define ICMD_IMULCONST 28 /* val.i = constant */
598 #define JAVA_ILOAD_3 29
599 #define ICMD_IANDCONST 29 /* val.i = constant */
601 #define JAVA_LLOAD_0 30
602 #define ICMD_IORCONST 30 /* val.i = constant */
604 #define JAVA_LLOAD_1 31
605 #define ICMD_IXORCONST 31 /* val.i = constant */
607 #define JAVA_LLOAD_2 32
608 #define ICMD_ISHLCONST 32 /* val.i = constant */
610 #define JAVA_LLOAD_3 33
611 #define ICMD_ISHRCONST 33 /* val.i = constant */
613 #define JAVA_FLOAD_0 34
614 #define ICMD_IUSHRCONST 34 /* val.i = constant */
616 #define JAVA_FLOAD_1 35
617 #define ICMD_IREMPOW2 35 /* val.i = constant */
619 #define JAVA_FLOAD_2 36
620 #define ICMD_LADDCONST 36 /* val.l = constant */
622 #define JAVA_FLOAD_3 37
623 #define ICMD_LSUBCONST 37 /* val.l = constant */
625 #define JAVA_DLOAD_0 38
626 #define ICMD_LMULCONST 38 /* val.l = constant */
628 #define JAVA_DLOAD_1 39
629 #define ICMD_LANDCONST 39 /* val.l = constant */
631 #define JAVA_DLOAD_2 40
632 #define ICMD_LORCONST 40 /* val.l = constant */
634 #define JAVA_DLOAD_3 41
635 #define ICMD_LXORCONST 41 /* val.l = constant */
637 #define JAVA_ALOAD_0 42
638 #define ICMD_LSHLCONST 42 /* val.l = constant */
640 #define JAVA_ALOAD_1 43
641 #define ICMD_LSHRCONST 43 /* val.l = constant */
643 #define JAVA_ALOAD_2 44
644 #define ICMD_LUSHRCONST 44 /* val.l = constant */
646 #define JAVA_ALOAD_3 45
647 #define ICMD_LREMPOW2 45 /* val.l = constant */
649 #define JAVA_IALOAD 46
650 #define ICMD_IALOAD 46
652 #define JAVA_LALOAD 47
653 #define ICMD_LALOAD 47
655 #define JAVA_FALOAD 48
656 #define ICMD_FALOAD 48
658 #define JAVA_DALOAD 49
659 #define ICMD_DALOAD 49
661 #define JAVA_AALOAD 50
662 #define ICMD_AALOAD 50
664 #define JAVA_BALOAD 51
665 #define ICMD_BALOAD 51
667 #define JAVA_CALOAD 52
668 #define ICMD_CALOAD 52
670 #define JAVA_SALOAD 53
671 #define ICMD_SALOAD 53
673 /* order of STORE instructions must be*/
674 /* equal to order of TYPE_* defines */
675 #define JAVA_ISTORE 54
676 #define ICMD_ISTORE 54 /* op1 = local variable */
678 #define JAVA_LSTORE 55
679 #define ICMD_LSTORE 55 /* op1 = local variable */
681 #define JAVA_FSTORE 56
682 #define ICMD_FSTORE 56 /* op1 = local variable */
684 #define JAVA_DSTORE 57
685 #define ICMD_DSTORE 57 /* op1 = local variable */
687 #define JAVA_ASTORE 58
688 #define ICMD_ASTORE 58 /* op1 = local variable */
690 #define JAVA_ISTORE_0 59
691 #define ICMD_IF_LEQ 59 /* op1 = target JavaVM pc, val.l */
693 #define JAVA_ISTORE_1 60
694 #define ICMD_IF_LNE 60 /* op1 = target JavaVM pc, val.l */
696 #define JAVA_ISTORE_2 61
697 #define ICMD_IF_LLT 61 /* op1 = target JavaVM pc, val.l */
699 #define JAVA_ISTORE_3 62
700 #define ICMD_IF_LGE 62 /* op1 = target JavaVM pc, val.l */
702 #define JAVA_LSTORE_0 63
703 #define ICMD_IF_LGT 63 /* op1 = target JavaVM pc, val.l */
705 #define JAVA_LSTORE_1 64
706 #define ICMD_IF_LLE 64 /* op1 = target JavaVM pc, val.l */
708 #define JAVA_LSTORE_2 65
709 #define ICMD_IF_LCMPEQ 65 /* op1 = target JavaVM pc */
711 #define JAVA_LSTORE_3 66
712 #define ICMD_IF_LCMPNE 66 /* op1 = target JavaVM pc */
714 #define JAVA_FSTORE_0 67
715 #define ICMD_IF_LCMPLT 67 /* op1 = target JavaVM pc */
717 #define JAVA_FSTORE_1 68
718 #define ICMD_IF_LCMPGE 68 /* op1 = target JavaVM pc */
720 #define JAVA_FSTORE_2 69
721 #define ICMD_IF_LCMPGT 69 /* op1 = target JavaVM pc */
723 #define JAVA_FSTORE_3 70
724 #define ICMD_IF_LCMPLE 70 /* op1 = target JavaVM pc */
726 #define JAVA_DSTORE_0 71
728 #define JAVA_DSTORE_1 72
730 #define JAVA_DSTORE_2 73
732 #define JAVA_DSTORE_3 74
734 #define JAVA_ASTORE_0 75
736 #define JAVA_ASTORE_1 76
738 #define JAVA_ASTORE_2 77
740 #define JAVA_ASTORE_3 78
742 #define JAVA_IASTORE 79
743 #define ICMD_IASTORE 79
745 #define JAVA_LASTORE 80
746 #define ICMD_LASTORE 80
748 #define JAVA_FASTORE 81
749 #define ICMD_FASTORE 81
751 #define JAVA_DASTORE 82
752 #define ICMD_DASTORE 82
754 #define JAVA_AASTORE 83
755 #define ICMD_AASTORE 83
757 #define JAVA_BASTORE 84
758 #define ICMD_BASTORE 84
760 #define JAVA_CASTORE 85
761 #define ICMD_CASTORE 85
763 #define JAVA_SASTORE 86
764 #define ICMD_SASTORE 86
775 #define JAVA_DUP_X1 90
776 #define ICMD_DUP_X1 90
778 #define JAVA_DUP_X2 91
779 #define ICMD_DUP_X2 91
784 #define JAVA_DUP2_X1 93
785 #define ICMD_DUP2_X1 93
787 #define JAVA_DUP2_X2 94
788 #define ICMD_DUP2_X2 94
805 #define JAVA_ISUB 100
806 #define ICMD_ISUB 100
808 #define JAVA_LSUB 101
809 #define ICMD_LSUB 101
811 #define JAVA_FSUB 102
812 #define ICMD_FSUB 102
814 #define JAVA_DSUB 103
815 #define ICMD_DSUB 103
817 #define JAVA_IMUL 104
818 #define ICMD_IMUL 104
820 #define JAVA_LMUL 105
821 #define ICMD_LMUL 105
823 #define JAVA_FMUL 106
824 #define ICMD_FMUL 106
826 #define JAVA_DMUL 107
827 #define ICMD_DMUL 107
829 #define JAVA_IDIV 108
830 #define ICMD_IDIV 108
832 #define JAVA_LDIV 109
833 #define ICMD_LDIV 109
835 #define JAVA_FDIV 110
836 #define ICMD_FDIV 110
838 #define JAVA_DDIV 111
839 #define ICMD_DDIV 111
841 #define JAVA_IREM 112
842 #define ICMD_IREM 112
844 #define JAVA_LREM 113
845 #define ICMD_LREM 113
847 #define JAVA_FREM 114
848 #define ICMD_FREM 114
850 #define JAVA_DREM 115
851 #define ICMD_DREM 115
853 #define JAVA_INEG 116
854 #define ICMD_INEG 116
856 #define JAVA_LNEG 117
857 #define ICMD_LNEG 117
859 #define JAVA_FNEG 118
860 #define ICMD_FNEG 118
862 #define JAVA_DNEG 119
863 #define ICMD_DNEG 119
865 #define JAVA_ISHL 120
866 #define ICMD_ISHL 120
868 #define JAVA_LSHL 121
869 #define ICMD_LSHL 121
871 #define JAVA_ISHR 122
872 #define ICMD_ISHR 122
874 #define JAVA_LSHR 123
875 #define ICMD_LSHR 123
877 #define JAVA_IUSHR 124
878 #define ICMD_IUSHR 124
880 #define JAVA_LUSHR 125
881 #define ICMD_LUSHR 125
883 #define JAVA_IAND 126
884 #define ICMD_IAND 126
886 #define JAVA_LAND 127
887 #define ICMD_LAND 127
895 #define JAVA_IXOR 130
896 #define ICMD_IXOR 130
898 #define JAVA_LXOR 131
899 #define ICMD_LXOR 131
901 #define JAVA_IINC 132
902 #define ICMD_IINC 132 /* op1 = local variable, val.i = constant */
940 #define JAVA_INT2BYTE 145
941 #define ICMD_INT2BYTE 145
943 #define JAVA_INT2CHAR 146
944 #define ICMD_INT2CHAR 146
946 #define JAVA_INT2SHORT 147
947 #define ICMD_INT2SHORT 147
949 #define JAVA_LCMP 148
950 #define ICMD_LCMP 148
952 #define JAVA_FCMPL 149
953 #define ICMD_FCMPL 149
955 #define JAVA_FCMPG 150
956 #define ICMD_FCMPG 150
958 #define JAVA_DCMPL 151
959 #define ICMD_DCMPL 151
961 #define JAVA_DCMPG 152
962 #define ICMD_DCMPG 152
964 #define JAVA_IFEQ 153
965 #define ICMD_IFEQ 153 /* op1 = target JavaVM pc, val.i */
967 #define JAVA_IFNE 154
968 #define ICMD_IFNE 154 /* op1 = target JavaVM pc, val.i */
970 #define JAVA_IFLT 155
971 #define ICMD_IFLT 155 /* op1 = target JavaVM pc, val.i */
973 #define JAVA_IFGE 156
974 #define ICMD_IFGE 156 /* op1 = target JavaVM pc, val.i */
976 #define JAVA_IFGT 157
977 #define ICMD_IFGT 157 /* op1 = target JavaVM pc, val.i */
979 #define JAVA_IFLE 158
980 #define ICMD_IFLE 158 /* op1 = target JavaVM pc, val.i */
982 #define JAVA_IF_ICMPEQ 159
983 #define ICMD_IF_ICMPEQ 159 /* op1 = target JavaVM pc */
985 #define JAVA_IF_ICMPNE 160
986 #define ICMD_IF_ICMPNE 160 /* op1 = target JavaVM pc */
988 #define JAVA_IF_ICMPLT 161
989 #define ICMD_IF_ICMPLT 161 /* op1 = target JavaVM pc */
991 #define JAVA_IF_ICMPGE 162
992 #define ICMD_IF_ICMPGE 162 /* op1 = target JavaVM pc */
994 #define JAVA_IF_ICMPGT 163
995 #define ICMD_IF_ICMPGT 163 /* op1 = target JavaVM pc */
997 #define JAVA_IF_ICMPLE 164
998 #define ICMD_IF_ICMPLE 164 /* op1 = target JavaVM pc */
1000 #define JAVA_IF_ACMPEQ 165
1001 #define ICMD_IF_ACMPEQ 165 /* op1 = target JavaVM pc */
1003 #define JAVA_IF_ACMPNE 166
1004 #define ICMD_IF_ACMPNE 166 /* op1 = target JavaVM pc */
1006 #define JAVA_GOTO 167
1007 #define ICMD_GOTO 167 /* op1 = target JavaVM pc */
1009 #define JAVA_JSR 168
1010 #define ICMD_JSR 168 /* op1 = target JavaVM pc */
1012 #define JAVA_RET 169
1013 #define ICMD_RET 169 /* op1 = local variable */
1015 #define JAVA_TABLESWITCH 170
1016 #define ICMD_TABLESWITCH 170 /* val.a = pointer to s4 table */
1017 /* length must be computed */
1018 #define JAVA_LOOKUPSWITCH 171
1019 #define ICMD_LOOKUPSWITCH 171 /* val.a = pointer to s4 table */
1020 /* length must be computed */
1021 #define JAVA_IRETURN 172
1022 #define ICMD_IRETURN 172
1024 #define JAVA_LRETURN 173
1025 #define ICMD_LRETURN 173
1027 #define JAVA_FRETURN 174
1028 #define ICMD_FRETURN 174
1030 #define JAVA_DRETURN 175
1031 #define ICMD_DRETURN 175
1033 #define JAVA_ARETURN 176
1034 #define ICMD_ARETURN 176
1036 #define JAVA_RETURN 177
1037 #define ICMD_RETURN 177
1039 #define JAVA_GETSTATIC 178
1040 #define ICMD_GETSTATIC 178 /* op1 = type, val.a = field address */
1042 #define JAVA_PUTSTATIC 179
1043 #define ICMD_PUTSTATIC 179 /* op1 = type, val.a = field address */
1045 #define JAVA_GETFIELD 180
1046 #define ICMD_GETFIELD 180 /* op1 = type, val.i = field offset */
1048 #define JAVA_PUTFIELD 181
1049 #define ICMD_PUTFIELD 181 /* op1 = type, val.i = field offset */
1051 #define JAVA_INVOKEVIRTUAL 182
1052 #define ICMD_INVOKEVIRTUAL 182 /* val.a = method info pointer */
1054 #define JAVA_INVOKESPECIAL 183
1055 #define ICMD_INVOKESPECIAL 183 /* val.a = method info pointer */
1057 #define JAVA_INVOKESTATIC 184
1058 #define ICMD_INVOKESTATIC 184 /* val.a = method info pointer */
1060 #define JAVA_INVOKEINTERFACE 185
1061 #define ICMD_INVOKEINTERFACE 185 /* val.a = method info pointer */
1065 #define JAVA_NEW 187
1066 #define ICMD_NEW 187 /* op1 = 1, val.a = class pointer */
1068 #define JAVA_NEWARRAY 188
1069 #define ICMD_NEWARRAY 188 /* op1 = basic type */
1071 #define JAVA_ANEWARRAY 189
1072 #define ICMD_ANEWARRAY 189 /* op1 = 0, val.a = array pointer */
1073 /* op1 = 1, val.a = class pointer */
1074 #define JAVA_ARRAYLENGTH 190
1075 #define ICMD_ARRAYLENGTH 190
1077 #define JAVA_ATHROW 191
1078 #define ICMD_ATHROW 191
1080 #define JAVA_CHECKCAST 192
1081 #define ICMD_CHECKCAST 192 /* op1 = 0, val.a = array pointer */
1082 /* op1 = 1, val.a = class pointer */
1083 #define JAVA_INSTANCEOF 193
1084 #define ICMD_INSTANCEOF 193 /* op1 = 0, val.a = array pointer */
1085 /* op1 = 1, val.a = class pointer */
1086 #define JAVA_MONITORENTER 194
1087 #define ICMD_MONITORENTER 194
1089 #define JAVA_MONITOREXIT 195
1090 #define ICMD_MONITOREXIT 195
1092 #define JAVA_WIDE 196
1094 #define JAVA_MULTIANEWARRAY 197
1095 #define ICMD_MULTIANEWARRAY 197 /* op1 = dimension, val.a = array */
1097 #define JAVA_IFNULL 198
1098 #define ICMD_IFNULL 198 /* op1 = target JavaVM pc */
1100 #define JAVA_IFNONNULL 199
1101 #define ICMD_IFNONNULL 199 /* op1 = target JavaVM pc */
1103 #define JAVA_GOTO_W 200
1105 #define JAVA_JSR_W 201
1107 #define JAVA_BREAKPOINT 202
1111 #define ICMD_IASTORECONST 204
1112 #define ICMD_LASTORECONST 205
1113 #define ICMD_FASTORECONST 206
1114 #define ICMD_DASTORECONST 207
1115 #define ICMD_AASTORECONST 208
1116 #define ICMD_BASTORECONST 209
1117 #define ICMD_CASTORECONST 210
1118 #define ICMD_SASTORECONST 211
1120 #define ICMD_PUTSTATICCONST 212
1121 #define ICMD_PUTFIELDCONST 213
1123 #define ICMD_IMULPOW2 214
1124 #define ICMD_LMULPOW2 215
1126 #define ICMD_IF_FCMPEQ 216
1127 #define ICMD_IF_FCMPNE 217
1129 #define ICMD_IF_FCMPL_LT 218
1130 #define ICMD_IF_FCMPL_GE 219
1131 #define ICMD_IF_FCMPL_GT 220
1132 #define ICMD_IF_FCMPL_LE 221
1134 #define ICMD_IF_FCMPG_LT 222
1135 #define ICMD_IF_FCMPG_GE 223
1136 #define ICMD_IF_FCMPG_GT 224
1137 #define ICMD_IF_FCMPG_LE 225
1139 #define ICMD_IF_DCMPEQ 226
1140 #define ICMD_IF_DCMPNE 227
1142 #define ICMD_IF_DCMPL_LT 228
1143 #define ICMD_IF_DCMPL_GE 229
1144 #define ICMD_IF_DCMPL_GT 230
1145 #define ICMD_IF_DCMPL_LE 231
1147 #define ICMD_IF_DCMPG_LT 232
1148 #define ICMD_IF_DCMPG_GE 233
1149 #define ICMD_IF_DCMPG_GT 234
1150 #define ICMD_IF_DCMPG_LE 235
1152 #define ICMD_INLINE_START 251 /* instruction before inlined method */
1153 #define ICMD_INLINE_END 252 /* instruction after inlined method */
1154 #define ICMD_INLINE_GOTO 253 /* jump to caller of inlined method */
1156 #define ICMD_BUILTIN 255 /* internal opcode */
1159 /******************* description of JavaVM instructions ***********************/
1163 /***************************** register types *********************************/
1165 #define REG_RES 0 /* reserved register for OS or code generator */
1166 #define REG_RET 1 /* return value register */
1167 #define REG_EXC 2 /* exception value register */
1168 #define REG_SAV 3 /* (callee) saved register */
1169 #define REG_TMP 4 /* scratch temporary register (caller saved) */
1170 #define REG_ARG 5 /* argument register (caller saved) */
1172 #define REG_END -1 /* last entry in tables */
1174 #define PARAMMODE_NUMBERED 0
1175 #define PARAMMODE_STUFFED 1
1178 /***************************** register info block ****************************/
1180 extern int stackreq[256];
1181 /* extern int op_needs_saved[256]; */
1182 /* extern int op_is_pei[256]; */
1183 #define NEEDS_SAVED 0
1185 #define OP_DATA_SIZE 2
1186 extern int op_data[256][OP_DATA_SIZE];
1187 /* [0..255][NEEDS_SAVED] ... if ICMD needs a SAVEDVAR */
1188 /* [0..255][PEI] ... if ICMD could throw an exception */
1190 /* function prototypes ********************************************************/
1192 /* compiler initialisation */
1193 void jit_init(void);
1195 /* compiler finalisation */
1196 void jit_close(void);
1198 /* compile a method with jit compiler */
1199 u1 *jit_compile(methodinfo *m);
1200 u1 *jit_recompile(methodinfo *m);
1202 /* patch the method entrypoint */
1203 u1 *jit_asm_compile(methodinfo *m, u1 *mptr, u1 *sp, u1 *ra);
1205 s4 jit_complement_condition(s4 opcode);
1207 /* machine dependent functions */
1208 #if defined(ENABLE_JIT)
1211 u1 *md_get_method_patch_address(u1 *ra, stackframeinfo *sfi, u1 *mptr);
1213 void md_cacheflush(u1 *addr, s4 nbytes);
1214 void md_icacheflush(u1 *addr, s4 nbytes);
1215 void md_dcacheflush(u1 *addr, s4 nbytes);
1218 #if defined(ENABLE_INTRP)
1219 void intrp_md_init(void);
1226 * These are local overrides for various environment variables in Emacs.
1227 * Please do not remove this and leave it at the end of the file, where
1228 * Emacs will automagically detect them.
1229 * ---------------------------------------------------------------------
1232 * indent-tabs-mode: t
1236 * vim:noexpandtab:sw=4:ts=4: