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Reduce non-numeric tag range by bumping up 64 bit lightud tag.

master
Mike Pall 2010-01-18 00:42:34 +01:00
parent 379b8c5fe4
commit 32969abe40
1 changed files with 6 additions and 6 deletions
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12
src/lj_obj.h
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@ -152,7 +152,7 @@ typedef const TValue cTValue;
** ---MSW---.---LSW---
** primitive types | itype | |
** lightuserdata | itype | void * | (32 bit platforms)
** lightuserdata |fffc| void * | (64 bit platforms, 48 bit pointers)
** lightuserdata |ffff| void * | (64 bit platforms, 47 bit pointers)
** GC objects | itype | GCRef |
** number -------double------
**
@ -177,7 +177,7 @@ typedef const TValue cTValue;
#define LJ_TNUMX (-13)
#if LJ_64
#define LJ_TISNUM ((uint32_t)0xfff80000)
#define LJ_TISNUM ((uint32_t)0xfffeffff)
#else
#define LJ_TISNUM ((uint32_t)LJ_TNUMX)
#endif
@ -196,7 +196,7 @@ typedef const TValue cTValue;
#define tvistrue(o) (itype(o) == LJ_TTRUE)
#define tvisbool(o) (tvisfalse(o) || tvistrue(o))
#if LJ_64
#define tvislightud(o) ((itype(o) >> 16) == LJ_TLIGHTUD)
#define tvislightud(o) ((itype(o) >> 15) == -2)
#else
#define tvislightud(o) (itype(o) == LJ_TLIGHTUD)
#endif
@ -234,7 +234,7 @@ typedef const TValue cTValue;
#define boolV(o) check_exp(tvisbool(o), (LJ_TFALSE - (o)->it))
#if LJ_64
#define lightudV(o) check_exp(tvislightud(o), \
(void *)((o)->u64 & U64x(0000ffff,ffffffff)))
(void *)((o)->u64 & U64x(00007fff,ffffffff)))
#else
#define lightudV(o) check_exp(tvislightud(o), gcrefp((o)->gcr, void))
#endif
@ -254,9 +254,9 @@ typedef const TValue cTValue;
#if LJ_64
#define checklightudptr(L, p) \
(((uint64_t)(p) >> 48) ? (lj_err_msg(L, LJ_ERR_BADLU), NULL) : (p))
(((uint64_t)(p) >> 47) ? (lj_err_msg(L, LJ_ERR_BADLU), NULL) : (p))
#define setlightudV(o, x) \
((o)->u64 = (uint64_t)(x) | (((uint64_t)LJ_TLIGHTUD) << 48))
((o)->u64 = (uint64_t)(x) | (((uint64_t)0xffff) << 48))
#define setcont(o, x) \
((o)->u64 = (uint64_t)(x) - (uint64_t)lj_vm_asm_begin)
#else