Re: [Qemu-devel] [5382] hw/apic.c: use bsr and bsf on x86_64

[malc]

On Wed, 1 Oct 2008, Aurelien Jarno wrote:

> Revision: 5382
>          http://svn.sv.gnu.org/viewvc/?view=rev&root=qemu&revision=5382
> Author:   aurel32
> Date:     2008-10-01 21:45:59 +0000 (Wed, 01 Oct 2008)
>
> Log Message:
> -----------
> hw/apic.c: use bsr and bsf on x86_64
>
> (C.W. Betts)
>
> Modified Paths:
> --------------
>    trunk/hw/apic.c

I think this should just be changed to __builtin_ffs or clz and the
requirement to return 0 on 0 dropped (since all the users do check
for 0 anyway).

[..snip..]

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