lkml.org 
[lkml]   [2008]   [Dec]   [10]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: Re[2]: [PATCH] fork_init: fix division by zero
David Howells writes:

> Ummm... On powerpc, I believe rotate-left would be a division as it does the
> bit-numbering and the bit direction the opposite way to more familiar CPUs
> such as x86.

No. :)

"Left" and "right" are relative to the way those of us humans in the
Western European cultural tradition write numbers, which is
big-endian. So rotate-left always moves bits towards the more
significant end of the word.

Paul.


\
 
 \ /
  Last update: 2008-12-10 22:53    [from the cache]
©2003-2011 Jasper Spaans