On Mon, Oct 3, 2011 at 8:02 PM, Richard Henderson wrote:
> On 10/03/2011 11:40 AM, Artem Shinkarov wrote:
>> Currently if vec_perm_ok returns false, we do not try to use a new
>> vshuffle routine. Would it make sense to implement that? The only
>> potential problem I can see is a possible performa
On 10/03/2011 11:40 AM, Artem Shinkarov wrote:
> Currently if vec_perm_ok returns false, we do not try to use a new
> vshuffle routine. Would it make sense to implement that? The only
> potential problem I can see is a possible performance degradation.
> This leads us to the second issue.
Implemen
On Mon, Oct 3, 2011 at 7:07 PM, Richard Henderson wrote:
> On 10/03/2011 10:42 AM, David Miller wrote:
>>> You might have a look at the "Vector Shuffle" thread, where we've been
>>> trying to provide builtin-level access to this feature. We've not added
>>> an rtx-level code for this because so f
