lkml.org 
[lkml]   [2014]   [Sep]   [19]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: [PATCH 2/2] powerpc32: add support for csum_add()
From
Date
Christophe Leroy <christophe.leroy@c-s.fr> wrote on 2014/09/19 15:57:56:
> Subject: [PATCH 2/2] powerpc32: add support for csum_add()
>
> The C version of csum_add() as defined in include/net/checksum.h gives
the
> following assembly:
> 0: 7c 04 1a 14 add r0,r4,r3
> 4: 7c 64 00 10 subfc r3,r4,r0
> 8: 7c 63 19 10 subfe r3,r3,r3
> c: 7c 63 00 50 subf r3,r3,r0
>
> include/net/checksum.h also offers the possibility to define an arch
specific
> function.
> This patch provides a ppc32 specific csum_add() inline function.
>
> Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
>
> ---

Ouch, this is still so. Back in 2010 I reported this to gcc:
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=43892

Anyway,
Acked-by: Joakim Tjernlund <Joakim.Tjernlund@transmode.se>


\
 
 \ /
  Last update: 2014-09-19 18:01    [W:2.162 / U:0.996 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site