Because this is a host module.
Alex Ionescu wrote:
> Well why this then? They should be intrinsics...
>
> On 2009-12-07, at 8:43 PM, Timo Kreuzer wrote:
>
>
>>>> +unsigned char BitScanForward(ULONG * Index, unsigned long Mask)
>>>> +{
>>>> + *Index = 0;
>>>> + while (Mask && ((Mask & 1) == 0))
>>>> + {
>>>> + Mask >>= 1;
>>>> + ++(*Index);
>>>> + }
>>>> + return Mask ? 1 : 0;
>>>> +}
>>>> +
>>>> +unsigned char BitScanReverse(ULONG * const Index, unsigned long Mask)
>>>> +{
>>>> + *Index = 0;
>>>> + while (Mask && ((Mask & (1 << 31)) == 0))
>>>> + {
>>>> + Mask <<= 1;
>>>> + ++(*Index);
>>>> + }
>>>> + return Mask ? 1 : 0;
>>>> +}
>>>>
>
> Best regards,
> Alex Ionescu
>
>
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>
>
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