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Fix declarations of _BitScanForward/_BitScanReverse.

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Reported by Mumin Guler.
This commit is contained in:
Mike Pall 2019-12-08 19:42:49 +01:00
parent 46a1b268eb
commit 41a25efc80
1 changed files with 4 additions and 4 deletions
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8
src/lj_def.h
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@ -254,19 +254,19 @@ static LJ_AINLINE uint32_t lj_fls(uint32_t x)
return _CountLeadingZeros(x) ^ 31;
}
#else
unsigned char _BitScanForward(uint32_t *, unsigned long);
unsigned char _BitScanReverse(uint32_t *, unsigned long);
unsigned char _BitScanForward(unsigned long *, unsigned long);
unsigned char _BitScanReverse(unsigned long *, unsigned long);
#pragma intrinsic(_BitScanForward)
#pragma intrinsic(_BitScanReverse)
static LJ_AINLINE uint32_t lj_ffs(uint32_t x)
{
uint32_t r; _BitScanForward(&r, x); return r;
unsigned long r; _BitScanForward(&r, x); return (uint32_t)r;
}
static LJ_AINLINE uint32_t lj_fls(uint32_t x)
{
uint32_t r; _BitScanReverse(&r, x); return r;
unsigned long r; _BitScanReverse(&r, x); return (uint32_t)r;
}
#endif