diff options
Diffstat (limited to 'luajit-2.1/src/lj_ir.h')
| -rw-r--r-- | luajit-2.1/src/lj_ir.h | 47 |
1 files changed, 29 insertions, 18 deletions
diff --git a/luajit-2.1/src/lj_ir.h b/luajit-2.1/src/lj_ir.h index 56e1977..34c2785 100644 --- a/luajit-2.1/src/lj_ir.h +++ b/luajit-2.1/src/lj_ir.h @@ -1,6 +1,6 @@ /* ** SSA IR (Intermediate Representation) format. -** Copyright (C) 2005-2015 Mike Pall. See Copyright Notice in luajit.h +** Copyright (C) 2005-2017 Mike Pall. See Copyright Notice in luajit.h */ #ifndef _LJ_IR_H @@ -220,7 +220,7 @@ IRFLDEF(FLENUM) /* SLOAD mode bits, stored in op2. */ #define IRSLOAD_PARENT 0x01 /* Coalesce with parent trace. */ -#define IRSLOAD_FRAME 0x02 /* Load hiword of frame. */ +#define IRSLOAD_FRAME 0x02 /* Load 32 bits of ftsz. */ #define IRSLOAD_TYPECHECK 0x04 /* Needs type check. */ #define IRSLOAD_CONVERT 0x08 /* Number to integer conversion. */ #define IRSLOAD_READONLY 0x10 /* Read-only, omit slot store. */ @@ -294,7 +294,9 @@ LJ_DATA const uint8_t lj_ir_mode[IR__MAX+1]; /* -- IR instruction types ------------------------------------------------ */ -/* Map of itypes to non-negative numbers. ORDER LJ_T. +#define IRTSIZE_PGC (LJ_GC64 ? 8 : 4) + +/* Map of itypes to non-negative numbers and their sizes. ORDER LJ_T. ** LJ_TUPVAL/LJ_TTRACE never appear in a TValue. Use these itypes for ** IRT_P32 and IRT_P64, which never escape the IR. ** The various integers are only used in the IR and can only escape to @@ -302,12 +304,13 @@ LJ_DATA const uint8_t lj_ir_mode[IR__MAX+1]; ** contiguous and next to IRT_NUM (see the typerange macros below). */ #define IRTDEF(_) \ - _(NIL, 4) _(FALSE, 4) _(TRUE, 4) _(LIGHTUD, LJ_64 ? 8 : 4) _(STR, 4) \ - _(P32, 4) _(THREAD, 4) _(PROTO, 4) _(FUNC, 4) _(P64, 8) _(CDATA, 4) \ - _(TAB, 4) _(UDATA, 4) \ + _(NIL, 4) _(FALSE, 4) _(TRUE, 4) _(LIGHTUD, LJ_64 ? 8 : 4) \ + _(STR, IRTSIZE_PGC) _(P32, 4) _(THREAD, IRTSIZE_PGC) _(PROTO, IRTSIZE_PGC) \ + _(FUNC, IRTSIZE_PGC) _(P64, 8) _(CDATA, IRTSIZE_PGC) _(TAB, IRTSIZE_PGC) \ + _(UDATA, IRTSIZE_PGC) \ _(FLOAT, 4) _(NUM, 8) _(I8, 1) _(U8, 1) _(I16, 2) _(U16, 2) \ _(INT, 4) _(U32, 4) _(I64, 8) _(U64, 8) \ - _(SOFTFP, 4) /* There is room for 9 more types. */ + _(SOFTFP, 4) /* There is room for 8 more types. */ /* IR result type and flags (8 bit). */ typedef enum { @@ -318,9 +321,10 @@ IRTDEF(IRTENUM) /* Native pointer type and the corresponding integer type. */ IRT_PTR = LJ_64 ? IRT_P64 : IRT_P32, + IRT_PGC = LJ_GC64 ? IRT_P64 : IRT_P32, + IRT_IGC = LJ_GC64 ? IRT_I64 : IRT_INT, IRT_INTP = LJ_64 ? IRT_I64 : IRT_INT, IRT_UINTP = LJ_64 ? IRT_U64 : IRT_U32, - /* TODO_GC64: major changes required for all uses of IRT_P32. */ /* Additional flags. */ IRT_MARK = 0x20, /* Marker for misc. purposes. */ @@ -408,7 +412,7 @@ static LJ_AINLINE IRType itype2irt(const TValue *tv) static LJ_AINLINE uint32_t irt_toitype_(IRType t) { - lua_assert(!LJ_64 || t != IRT_LIGHTUD); + lua_assert(!LJ_64 || LJ_GC64 || t != IRT_LIGHTUD); if (LJ_DUALNUM && t > IRT_NUM) { return LJ_TISNUM; } else { @@ -521,7 +525,9 @@ typedef uint32_t TRef; ** +-------+-------+---+---+---+---+ ** | op1 | op2 | t | o | r | s | ** +-------+-------+---+---+---+---+ -** | op12/i/gco | ot | prev | (alternative fields in union) +** | op12/i/gco32 | ot | prev | (alternative fields in union) +** +-------+-------+---+---+---+---+ +** | TValue/gco64 | (2nd IR slot for 64 bit constants) ** +---------------+-------+-------+ ** 32 16 16 ** @@ -549,22 +555,27 @@ typedef union IRIns { ) }; int32_t i; /* 32 bit signed integer literal (overlaps op12). */ - GCRef gcr; /* GCobj constant (overlaps op12). */ - MRef ptr; /* Pointer constant (overlaps op12). */ + GCRef gcr; /* GCobj constant (overlaps op12 or entire slot). */ + MRef ptr; /* Pointer constant (overlaps op12 or entire slot). */ + TValue tv; /* TValue constant (overlaps entire slot). */ } IRIns; -/* TODO_GC64: major changes required. */ -#define ir_kgc(ir) check_exp((ir)->o == IR_KGC, gcref((ir)->gcr)) +#define ir_kgc(ir) check_exp((ir)->o == IR_KGC, gcref((ir)[LJ_GC64].gcr)) #define ir_kstr(ir) (gco2str(ir_kgc((ir)))) #define ir_ktab(ir) (gco2tab(ir_kgc((ir)))) #define ir_kfunc(ir) (gco2func(ir_kgc((ir)))) #define ir_kcdata(ir) (gco2cd(ir_kgc((ir)))) -#define ir_knum(ir) check_exp((ir)->o == IR_KNUM, mref((ir)->ptr, cTValue)) -#define ir_kint64(ir) check_exp((ir)->o == IR_KINT64, mref((ir)->ptr,cTValue)) +#define ir_knum(ir) check_exp((ir)->o == IR_KNUM, &(ir)[1].tv) +#define ir_kint64(ir) check_exp((ir)->o == IR_KINT64, &(ir)[1].tv) #define ir_k64(ir) \ - check_exp((ir)->o == IR_KNUM || (ir)->o == IR_KINT64, mref((ir)->ptr,cTValue)) + check_exp((ir)->o == IR_KNUM || (ir)->o == IR_KINT64 || \ + (LJ_GC64 && \ + ((ir)->o == IR_KGC || \ + (ir)->o == IR_KPTR || (ir)->o == IR_KKPTR)), \ + &(ir)[1].tv) #define ir_kptr(ir) \ - check_exp((ir)->o == IR_KPTR || (ir)->o == IR_KKPTR, mref((ir)->ptr, void)) + check_exp((ir)->o == IR_KPTR || (ir)->o == IR_KKPTR, \ + mref((ir)[LJ_GC64].ptr, void)) /* A store or any other op with a non-weak guard has a side-effect. */ static LJ_AINLINE int ir_sideeff(IRIns *ir) |