CVS commit: src/sys/sys

[Joerg Sonnenberger <joerg%netbsd.org@localhost>]

Module Name:    src
Committed By:   joerg
Date:           Fri Mar 19 16:48:55 UTC 2010

Modified Files:
        src/sys/sys: bitops.h

Log Message:
Add functions for replacing runtime invariant 32bit unsigned divisions
with simpler full width multiplications and shifts + adds. The main
operations are generally at least 50% faster when serialised and often
better for parallelism as well.


To generate a diff of this commit:
cvs rdiff -u -r1.2 -r1.3 src/sys/sys/bitops.h

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.