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Make checkptrGC() actually work.

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Neither LJ_64 nor LJ_GC64 are defined when lj_def.h is included.
So we'll need to use lazy C macro evaluation.
This commit is contained in:
Mike Pall 2017-02-18 22:47:19 +01:00
parent 5aa0201374
commit 6bf3e4d6e6
1 changed files with 3 additions and 8 deletions
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11
src/lj_def.h
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@ -97,6 +97,7 @@ typedef unsigned int uintptr_t;
#define u32ptr(p) ((uint32_t)(intptr_t)(void *)(p))
#define i64ptr(p) ((int64_t)(intptr_t)(void *)(p))
#define u64ptr(p) ((uint64_t)(intptr_t)(void *)(p))
#define igcptr(p) (LJ_GC64 ? i64ptr(p) : i32ptr(p))
#define checki8(x) ((x) == (int32_t)(int8_t)(x))
#define checku8(x) ((x) == (int32_t)(uint8_t)(x))
@ -105,14 +106,8 @@ typedef unsigned int uintptr_t;
#define checki32(x) ((x) == (int32_t)(x))
#define checku32(x) ((x) == (uint32_t)(x))
#define checkptr32(x) ((uintptr_t)(x) == (uint32_t)(uintptr_t)(x))
#define checkptr47(x) (((uint64_t)(x) >> 47) == 0)
#if LJ_GC64
#define checkptrGC(x) (checkptr47((x)))
#elif LJ_64
#define checkptrGC(x) (checkptr32((x)))
#else
#define checkptrGC(x) 1
#endif
#define checkptr47(x) (((uint64_t)(uintptr_t)(x) >> 47) == 0)
#define checkptrGC(x) (LJ_GC64 ? checkptr47((x)) : LJ_64 ? checkptr32((x)) :1)
/* Every half-decent C compiler transforms this into a rotate instruction. */
#define lj_rol(x, n) (((x)<<(n)) | ((x)>>(-(int)(n)&(8*sizeof(x)-1))))