On 05/31/2011 10:04 PM, Mans Rullgard wrote:
> Prior to ARMv6, the destination registers of the SMULL instruction
> must be distinct from the first source register.  Marking the
> output early-clobber ensures it is allocated unique registers.
> 
> This restriction is dropped in ARMv6 and later, so allowing overlap
> between input and output registers there might give better code.
> 
> Signed-off-by: Mans Rullgard <[email protected]>
> ---
>  libavcodec/arm/mathops.h |   14 +++++++++++---
>  1 files changed, 11 insertions(+), 3 deletions(-)


Ok


-- 

Luca Barbato
Gentoo/linux
http://dev.gentoo.org/~lu_zero

_______________________________________________
libav-devel mailing list
[email protected]
https://lists.libav.org/mailman/listinfo/libav-devel

Reply via email to