[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index][Old Index]
Re: CVS commit: src/sys/arch/arm/ep93xx
On Sun, May 25, 2008 at 03:57:22AM +0000, Katsuomi Hamajima wrote:
> Modified Files:
> src/sys/arch/arm/ep93xx: epclk.c
> Log Message:
> speed up an initial value calculation of "remaining" variable in delay().
Are you sure that GCC doesn't do exactly that? For unsigned arithmetic,
GCC will normally use unsigned mul + shift and not a division. It would
be strongly prefered to not have inline assembly here.
Main Index |
Thread Index |