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[SOFT386]

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Improve the performance of Soft386CalculateParity.


svn path=/branches/ntvdm/; revision=60621
This commit is contained in:
Aleksandar Andrejevic 2013-10-11 20:54:46 +00:00
parent da5b8fc439
commit 8dff09c37a
1 changed files with 1 additions and 4 deletions
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5
lib/soft386/common.inl
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@ -436,10 +436,7 @@ FORCEINLINE
BOOLEAN
Soft386CalculateParity(UCHAR Number)
{
Number ^= Number >> 1;
Number ^= Number >> 2;
Number ^= Number >> 4;
return !(Number & 1);
return (0x9669 >> ((Number & 0x0F) ^ (Number >> 4))) & 1;
}
FORCEINLINE