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Re: scalar vector shift expansion problem on 64-bit
- From: Jakub Jelinek <jakub at redhat dot com>
- To: Richard Henderson <rth at redhat dot com>
- Cc: David Miller <davem at davemloft dot net>, gcc at gcc dot gnu dot org
- Date: Fri, 28 Oct 2011 18:50:49 +0200
- Subject: Re: scalar vector shift expansion problem on 64-bit
- References: <20111028.010554.926011603737119372.davem@davemloft.net> <4EAAD343.8070304@redhat.com>
- Reply-to: Jakub Jelinek <jakub at redhat dot com>
On Fri, Oct 28, 2011 at 09:07:31AM -0700, Richard Henderson wrote:
> I think this is the same problem as Jakub is attacking here:
>
> http://gcc.gnu.org/ml/gcc-patches/2011-10/msg02503.html
It has been checked in already. But my patch only deals
with the vector << vector case, vector << scalar (including
vector << scalar implemented using vector << vector) supposedly still
needs fold_const somewhere if the type sizes disagree.
Jakub