Author: David Rasmussen
Date: 16:47:37 01/21/03
Go up one level in this thread
On January 21, 2003 at 19:18:34, Sean Mintz wrote:
>>INLINE int FirstBit(const BitBoard bitboard)
>>{
>> __asm
>> {
>> bsf eax,[bitboard+4]
>> xor eax, 32
>> bsf eax,[bitboard]
>> }
>>}
>>
>>INLINE int LastBit(const BitBoard bitboard)
>>{
>> __asm
>> {
>> bsr eax,[bitboard]
>> sub eax,32
>> bsr eax,[bitboard+4]
>> add eax,32
>> }
>>}
>
>I tried using these in crafty and crafty froze up or something. Any ideas why?
These worked for me (although not faster. I guess the compilers were optimizing
the superfluous loads away). The PopCount() on the other hand, does not work for
me.
/David
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