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Re: scalar vector shift expansion problem on 64-bit
- From: Richard Henderson <rth at redhat dot com>
- To: David Miller <davem at davemloft dot net>
- Cc: gcc at gcc dot gnu dot org
- Date: Fri, 28 Oct 2011 09:07:31 -0700
- Subject: Re: scalar vector shift expansion problem on 64-bit
- References: <20111028.010554.926011603737119372.davem@davemloft.net>
On 10/27/2011 10:05 PM, David Miller wrote:
>
> I'm getting an ICE on 64-bit sparc for some vector test cases but
> I'm not sure where the fix belongs.
>
> When the compiler expands a vecor shift by scalar into a vector
> shift by a vector it uses expand_vector_broadcast(), which has
> a comment which states...
I think this is the same problem as Jakub is attacking here:
http://gcc.gnu.org/ml/gcc-patches/2011-10/msg02503.html
It's been approved, but I believe .cz has a bank holiday today.
If that patch doesn't solve your problem, lemme know and I'll
have another look at it.
r~