Re: [Qemu-devel] bug in popcnt emulation with some register operand(s)?

[malc]

On Thu, 11 Oct 2012, Andriy Gapon wrote:

> on 08/10/2012 12:02 Andriy Gapon said the following:
> > on 08/10/2012 10:52 malc said the following:
> >> On Mon, 8 Oct 2012, Andriy Gapon wrote:
> >>
> >>>
> >>> I am running Qemu (plain, no kvm, etc) on an AMD 10h machine that
> >>> provides popcnt instruction.  Qemu advertises availability of pocnt
> >>> to a guest as well.  What I see in the guest that popcnt
> >>> 0x20(%r12),%r8 instruction actually placed its result into %rax.
> >>> With %rdi and %rax operands the instruction worked fine though.
> >>>
> >>>
> >>
> >> Does following work?
> > 
> > It does!  Thank you very much.
> 
> Do you plan to commit this fix?
> Is there anything that I should do to make that happen (sooner)?
> 

Submit a patch with a well thought out comment and it'll be commited.

[..snip..]

-- 
mailto:address@hidden