[Barrelfish-users] SIMD instructions should be disabled when building elver

[Kornilios Kourtis]

Hi,

On Mon, Apr 29, 2013 at 08:21:52PM +0000, Chothia  Zaheer wrote:
> Hi,
> 
> I wonder whether the same might happen in other cases (AVX) and whether
> it makes sense to instead pass something like '-march=i386'?
> 
> (On a loosely-related note: I previously tried running a Clang-built version of
> Barrelfish but the early boot sequence would repeat in an infinite loop. That
> issue is now also fixed so thanks!)

> > From: Wang Nan [mailto:wangnan0 at huawei.com]
> > Sent: 29 April 2013 08:12
> > To: barrelfish-users at lists.inf.ethz.ch
> > Subject: [Barrelfish-users] SIMD instructions should be disabled when building
> > elver
> > 
> > Hi,
> > I propose a small patch which disables SIMD instructions when building elver
> > for x86_64:
[snip]
> > 
> > I discoverd that some gcc generages SIMD instructions for elver, which causes
> > problems, because when elver processing the kernel, SIMD feature is disabled.
> > 

Thanks for the patch! -- I've applied it on my tree so it will be
included in our next release.

Zaheer: that's good news!

cheers,
Kornilios.

-- 
Kornilios Kourtis