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Date: Fri, 05 Jun 2015 09:24:49 -0600
From: Eric Blake <eblake@redhat.com>
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Subject: Re: [Qemu-devel] [PULL 00/40] ppc patch queue 2015-06-03
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To: Peter Maydell <peter.maydell@linaro.org>, Alexander Graf <agraf@suse.de>
Cc: "qemu-ppc@nongnu.org" <qemu-ppc@nongnu.org>, QEMU Developers <qemu-devel@nongnu.org>, Michael Roth <mdroth@linux.vnet.ibm.com>

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On 06/05/2015 07:33 AM, Peter Maydell wrote:
> On 3 June 2015 at 22:45, Alexander Graf <agraf@suse.de> wrote:
>> Hi Peter,
>>
>> This is my current patch queue for ppc.  Please pull.
>=20
> This is applied, but can you fix the clang sanitizer warnings,
> please?
>=20
> hw/ppc/spapr_drc.c:59:24: runtime error: left shift of negative value -=
1
> hw/ppc/spapr_drc.c:587:19: runtime error: left shift of negative value =
-1
>=20
> Problem looks to be in:
> #define DRC_INDEX_ID_MASK (~(~0 << DRC_INDEX_TYPE_SHIFT))
>=20
> which is doing left shifts on a negative signed number.

Might be as simple as using ~0U instead of ~0.

--=20
Eric Blake   eblake redhat com    +1-919-301-3266
Libvirt virtualization library http://libvirt.org


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