diff options
Diffstat (limited to 'src/lj_jit.h')
| -rw-r--r-- | src/lj_jit.h | 18 |
1 files changed, 17 insertions, 1 deletions
diff --git a/src/lj_jit.h b/src/lj_jit.h index 4b51bae..10900bf 100644 --- a/src/lj_jit.h +++ b/src/lj_jit.h @@ -290,6 +290,16 @@ typedef struct ScEvEntry { uint8_t dir; /* Direction. 1: +, 0: -. */ } ScEvEntry; +/* Reverse bytecode map (IRRef -> PC). Only for selected instructions. */ +typedef struct RBCHashEntry { + MRef pc; /* Bytecode PC. */ + GCRef pt; /* Prototype. */ + IRRef ref; /* IR reference. */ +} RBCHashEntry; + +/* Number of slots in the reverse bytecode hash table. Must be a power of 2. */ +#define RBCHASH_SLOTS 8 + /* 128 bit SIMD constants. */ enum { LJ_KSIMD_ABS, @@ -364,12 +374,14 @@ typedef struct jit_State { PostProc postproc; /* Required post-processing after execution. */ #if LJ_SOFTFP || (LJ_32 && LJ_HASFFI) - int needsplit; /* Need SPLIT pass. */ + uint8_t needsplit; /* Need SPLIT pass. */ #endif + uint8_t retryrec; /* Retry recording. */ GCRef *trace; /* Array of traces. */ TraceNo freetrace; /* Start of scan for next free trace. */ MSize sizetrace; /* Size of trace array. */ + TValue *ktracep; /* Pointer to K64Array slot with GCtrace pointer. */ IRRef1 chain[IR__MAX]; /* IR instruction skip-list chain anchors. */ TRef slot[LJ_MAX_JSLOTS+LJ_STACK_EXTRA]; /* Stack slot map. */ @@ -382,6 +394,10 @@ typedef struct jit_State { uint32_t penaltyslot; /* Round-robin index into penalty slots. */ uint32_t prngstate; /* PRNG state. */ +#ifdef LUAJIT_ENABLE_TABLE_BUMP + RBCHashEntry rbchash[RBCHASH_SLOTS]; /* Reverse bytecode map. */ +#endif + BPropEntry bpropcache[BPROP_SLOTS]; /* Backpropagation cache slots. */ uint32_t bpropslot; /* Round-robin index into bpropcache slots. */ |