Changes: Christian Thalinger
Edwin Steiner
- $Id: jit.h 5217 2006-08-08 12:46:51Z edwin $
+ $Id: jit.h 5404 2006-09-07 13:29:05Z christian $
*/
#ifndef _JIT_H
#define _JIT_H
+#define NEW_VAR
+
/* forward typedefs ***********************************************************/
typedef struct jitdata jitdata;
typedef struct basicblock basicblock;
typedef struct branchref branchref;
typedef struct instruction instruction;
-typedef struct new_instruction new_instruction;
typedef struct insinfo_inline insinfo_inline;
#if defined(ENABLE_LOOP)
# include "vm/jit/loop/loop.h"
#endif
+#if defined(ENABLE_SSA)
+# include "vm/jit/optimizing/lsra.h"
+#endif
+#if defined(ENABLE_LSRA)
+# include "vm/jit/allocator/lsra.h"
+#endif
#include "vm/jit/verify/typeinfo.h"
-
/* common jit/codegen macros **************************************************/
#if defined(ENABLE_STATISTICS)
#if defined(ENABLE_LOOP)
loopdata *ld;
#endif
+#if defined(ENABLE_SSA) || defined(ENABLE_LSRA)
+ lsradata *ls;
+#endif
u4 flags; /* contains JIT compiler flags */
bool isleafmethod; /* does method call subroutines */
- new_instruction *new_instructions;
+ instruction *new_instructions;
basicblock *new_basicblocks;
s4 *new_basicblockindex;
stackelement *new_stack;
s4 new_basicblockcount;
s4 new_stackcount;
s4 new_c_debug_nr;
- registerdata *new_rd;
+
+#if defined(NEW_VAR)
+ varinfo *var;
+ s4 vartop;
+
+ s4 varcount;
+ s4 localcount;
+ s4 *local_map; /* internal structure to rename(de-coallesc) locals */
+ /* and keep the coalescing info for simplereg. */
+ /* local_map[local_index * 5 + local_type] = */
+ /* new_index in rd->var or LOCAL_UNUSED */
+ s4 *interface_map; /* like local_map for interfaces */
+#endif
};
+#define UNUSED -1
#define JITDATA_FLAG_PARSE 0x00000001
#define JITDATA_FLAG_VERIFY 0x00000002
((jd)->flags & JITDATA_FLAG_VERBOSECALL)
-/************************** stack element structure ***************************/
+/* stack element structure ****************************************************/
/* flags */
/* using the same register/memory location */
#define STKEEP 32 /* to prevent reg_mark_copy to free this */
/* stackslot */
+#define PREALLOC 64 /* preallocated var like for ARGVARS. Used */
+ /* with the new var system */
+#define OUTVAR 128 /* STACKVR flag for new var system */
+
+#define IS_SAVEDVAR(x) ((x) & SAVEDVAR)
+#define IS_INMEMORY(x) ((x) & INMEMORY)
+
/* variable kinds */
/*** s1 operand ***/
typedef union {
+#if defined(NEW_VAR)
+ s4 varindex;
+#else
stackptr var;
s4 localindex;
+#endif
s4 argcount;
} s1_operand_t;
/*** s2 operand ***/
typedef union {
+#if defined(NEW_VAR)
+ s4 varindex;
+ s4 *args;
+#else
stackptr var;
stackptr *args;
+#endif
classref_or_classinfo c;
unresolved_class *uc;
ptrint constval; /* for PUT*CONST */
/*** s3 operand ***/
typedef union {
+#if defined(NEW_VAR)
+ s4 varindex;
+#else
stackptr var;
+#endif
ptrint constval;
classref_or_classinfo c;
constant_FMIref *fmiref;
/*** dst operand ***/
typedef union {
+#if defined(NEW_VAR)
+ s4 varindex;
+#else
stackptr var;
s4 localindex;
+#endif
basicblock *block; /* valid after stack analysis */
branch_target_t *table; /* for TABLESWITCH */
lookup_target_t *lookup; /* for LOOKUPSWITCH */
s4 insindex; /* used between parse and stack */
+#if defined(NEW_VAR)
+ s4 *dupslots; /* for SWAP, DUP* except DUP */
+#else
stackptr *dupslots; /* for SWAP, DUP* except DUP */
+#endif
} dst_operand_t;
/*** flags (32 bits) ***/
#define INS_FLAG_UNRESOLVED 0x01 /* contains unresolved field/meth/class*/
#define INS_FLAG_CLASS 0x02 /* for ACONST with class */
#define INS_FLAG_ARRAY 0x04 /* for CHECKCAST/INSTANCEOF with array */
-#define INS_FLAG_NOCHECK 0x08
+#define INS_FLAG_CHECK 0x08 /* for *ALOAD|*ASTORE: check index */
+ /* for BUILTIN: check exception */
typedef union {
u4 bits;
/*** instruction ***/
-/* The new instruction format for the intermediate representation: */
+/* The instruction format for the intermediate representation: */
-struct new_instruction {
+struct instruction {
u2 opc; /* opcode */
u2 line; /* line number */
#if SIZEOF_VOID_P == 8
#endif
};
-/* XXX This instruction format will become obsolete. */
-
-struct instruction {
- stackptr dst; /* stack index of destination operand stack */
- u2 opc; /* opcode of intermediate code command */
- s4 op1; /* first operand, usually variable number */
- imm_union val; /* immediate constant */
- void *target; /* used for targets of branches and jumps */
- /* and as address for list of targets for */
- /* statements */
- u2 line; /* line number in source file */
-};
#define INSTRUCTION_IS_RESOLVED(iptr) \
- (!((ptrint)(iptr)->target & 0x01)) /* XXX target used temporarily as flag */
-
-#define INSTRUCTION_IS_UNRESOLVED(iptr) \
- ((ptrint)(iptr)->target & 0x01) /* XXX target used temporarily as flag */
-
-#define NEW_INSTRUCTION_IS_RESOLVED(iptr) \
(!((iptr)->flags.bits & INS_FLAG_UNRESOLVED))
-#define NEW_INSTRUCTION_IS_UNRESOLVED(iptr) \
+#define INSTRUCTION_IS_UNRESOLVED(iptr) \
((iptr)->flags.bits & INS_FLAG_UNRESOLVED)
-#define NEW_INSTRUCTION_MUST_CHECK(iptr) \
- (!((iptr)->flags.bits & INS_FLAG_NOCHECK))
+#define INSTRUCTION_MUST_CHECK(iptr) \
+ ((iptr)->flags.bits & INS_FLAG_CHECK)
-#define NEW_INSTRUCTION_GET_FIELDREF(iptr,fref) \
+#define INSTRUCTION_GET_FIELDREF(iptr,fref) \
do { \
if (iptr->flags.bits & INS_FLAG_UNRESOLVED) \
fref = iptr->sx.s23.s3.uf->fieldref; \
fref = iptr->sx.s23.s3.fmiref; \
} while (0)
-#define INSTRUCTION_GET_FIELDREF(iptr,fref) \
- do { \
- if (INSTRUCTION_IS_UNRESOLVED(iptr)) \
- fref = ((unresolved_field *) (iptr)->val.a)->fieldref; \
- else \
- fref = ((constant_FMIref *)(iptr)->val.a); \
- } while (0)
-
-#define NEW_INSTRUCTION_GET_METHODREF(iptr,mref) \
+#define INSTRUCTION_GET_METHODREF(iptr,mref) \
do { \
if (iptr->flags.bits & INS_FLAG_UNRESOLVED) \
mref = iptr->sx.s23.s3.um->methodref; \
mref = iptr->sx.s23.s3.fmiref; \
} while (0)
-#define INSTRUCTION_GET_METHODREF(iptr,mref) \
- do { \
- if (INSTRUCTION_IS_UNRESOLVED(iptr)) \
- mref = ((unresolved_method *) (iptr)->val.a)->methodref; \
- else \
- mref = ((constant_FMIref *)(iptr)->val.a); \
- } while (0)
-
-#define INSTRUCTION_GET_FIELDDESC(iptr,fd) \
- do { \
- if (INSTRUCTION_IS_UNRESOLVED(iptr)) \
- fd = ((unresolved_field *)(iptr)->val.a)->fieldref->parseddesc.fd; \
- else \
- fd = ((constant_FMIref *)(iptr)->val.a)->parseddesc.fd; \
- } while (0)
-
-#define NEW_INSTRUCTION_GET_METHODDESC(iptr, md) \
+#define INSTRUCTION_GET_METHODDESC(iptr, md) \
do { \
if (iptr->flags.bits & INS_FLAG_UNRESOLVED) \
md = iptr->sx.s23.s3.um->methodref->parseddesc.md; \
md = iptr->sx.s23.s3.fmiref->parseddesc.md; \
} while (0)
-#define INSTRUCTION_GET_METHODDESC(iptr,md) \
- do { \
- if (INSTRUCTION_IS_UNRESOLVED(iptr)) \
- md = ((unresolved_method *) (iptr)->val.a)->methodref->parseddesc.md; \
- else \
- md = ((constant_FMIref *)(iptr)->val.a)->parseddesc.md; \
- } while (0)
-
-#define INSTRUCTION_UNRESOLVED_CLASS(iptr) \
- ((unresolved_class *) (iptr)->val.a)
-
-#define INSTRUCTION_UNRESOLVED_METHOD(iptr) \
- ((unresolved_method *) (iptr)->val.a)
-
-#define INSTRUCTION_UNRESOLVED_FIELD(iptr) \
- ((unresolved_field *) (iptr)->val.a)
-
-#define INSTRUCTION_RESOLVED_FMIREF(iptr) \
- ((constant_FMIref *)(iptr)->val.a)
-
-#define INSTRUCTION_RESOLVED_FIELDINFO(iptr) \
- (INSTRUCTION_RESOLVED_FMIREF(iptr)->p.field)
-
-#define INSTRUCTION_RESOLVED_METHODINFO(iptr) \
- (INSTRUCTION_RESOLVED_FMIREF(iptr)->p.method)
-
-#define INSTRUCTION_PUTCONST_TYPE(iptr) \
- ((iptr)[0].op1)
-
-#define INSTRUCTION_PUTCONST_VALUE_ADR(iptr) \
- ((iptr)[0].val.a)
-
-#define INSTRUCTION_PUTCONST_FIELDINFO(iptr) \
- ((fieldinfo *)((iptr)[1].val.a))
-
-#define INSTRUCTION_PUTCONST_FIELDINFO_PTR(iptr) \
- ((fieldinfo **) &((iptr)[1].val.a))
-
-#define INSTRUCTION_PUTCONST_FIELDREF(iptr) \
- ((unresolved_field *)((iptr)[1].target))
-
-/* for ICMD_ACONST */
-
-#define ICMD_ACONST_IS_CLASS(iptr) \
- ((ptrint)(iptr)->target & 0x02) /* XXX target used temporarily as flag */
-
-#define ICMD_ACONST_CLASSREF_OR_CLASSINFO(iptr) \
-(CLASSREF_OR_CLASSINFO((iptr)->val.a))
-
-#define ICMD_ACONST_RESOLVED_CLASSINFO(iptr) \
- ((classinfo *) (iptr)->val.a)
-
-#define ICMD_ACONST_UNRESOLVED_CLASSREF(iptr) \
- ((constant_classref *) (iptr)->val.a)
-
/* additional info structs for special instructions ***************************/
s4 mpc; /* machine code pc at start of block */
stackptr instack; /* stack at begin of basic block */
stackptr outstack; /* stack at end of basic block */
+#if defined(NEW_VAR)
+ s4 *invars; /* array of in-variables at begin of block */
+ s4 *outvars; /* array of out-variables at end of block */
+#else
+ stackptr *invars; /* array of in-variables at begin of block */
+ stackptr *outvars; /* array of out-variables at end of block */
+#endif
s4 indepth; /* stack depth at begin of basic block */
s4 outdepth; /* stack depth end of basic block */
/***************************** register info block ****************************/
extern int stackreq[256];
-
+/* extern int op_needs_saved[256]; */
+/* extern int op_is_pei[256]; */
+#define NEEDS_SAVED 0
+#define PEI 1
+#define OP_DATA_SIZE 2
+extern int op_data[256][OP_DATA_SIZE];
+/* [0..255][NEEDS_SAVED] ... if ICMD needs a SAVEDVAR */
+/* [0..255][PEI] ... if ICMD could throw an exception */
/* function prototypes ********************************************************/