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DateFri, 18 Sep 1998 10:19:13 +0100 (GMT)
FromMatthew Kirkwood <>
SubjectRe: Non-urgent issue with fs/isofs/util.c
On Fri, 18 Sep 1998, Helge Hafting wrote:

> >I don't think we need to be to concerned right now, but changing:
> >         if (((year+2) % 4) == 0 && month > 2)
> >to:
> >             if (((year+2) % 4) == 0 && month > 2 && year != 130) should
> >fix it.

> The equivalent code
>               if (!((year+2) & 3) && month > 2 && year != 130) is probably
> faster.  The somewhat expensive mod operator is 
> replaced by a bitwise "and", that is faster on most platforms.

gcc would do that anyway.

Matthew.


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