Re: * 4 converted to << 2 for networking code

From: antirez (antirez@invece.org)
Date: Wed Jan 10 2001 - 12:03:22 EST


On Wed, Jan 10, 2001 at 09:54:04AM -0500, Brian Gerst wrote:
> This patch isn't really necessary, because GCC will automatically
> convert multiplications and divisions by powers of two to use shifts.

Sure, but since many << 2 already exists in the net kernel code
I feel it's better to use just a format, and it seems more appropriate
to write << 2, just to reflect what we want.
Also some piece of kernel code may be used with compilers that does not
optimize power of two.

antirez
(CC me)

-- 
Salvatore Sanfilippo              |                      <antirez@invece.org>
http://www.kyuzz.org/antirez      |      PGP: finger antirez@tella.alicom.com
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
Please read the FAQ at http://www.tux.org/lkml/



This archive was generated by hypermail 2b29 : Mon Jan 15 2001 - 21:00:26 EST