Re: [Qemu-devel] Bug report about x86 'bt' insn

[Nathan Froyd]

On Sat, Nov 06, 2010 at 07:24:39PM +0100, Torbjorn Granlund wrote:
> malc <address@hidden> writes:
> 
>   ZF is undefined according to AMD's 24594.pdf page 69.
>   
> Ah, you're right.  It seems that all existing x86 implementations leave
> ZF alone, though.  (I am not arguing that qeum is broken, the bug is in
> my code.)

FWIW, the Intel manuals (253666, June 2010) state that the ZF flag is
unaffected, not just undefined.

-Nathan