Hi Segher,
on 2019/11/13 下午6:42, Segher Boessenkool wrote:
> Hi!
>
> On Wed, Nov 13, 2019 at 03:31:11PM +0800, Kewen.Lin wrote:
>> As PR92464 shows, the recent vectorization cost adjustment on load
>> insns is responsible for this regression. It leads the profitable
>> min iteration count to cha
Hi!
On Wed, Nov 13, 2019 at 03:31:11PM +0800, Kewen.Lin wrote:
> As PR92464 shows, the recent vectorization cost adjustment on load
> insns is responsible for this regression. It leads the profitable
> min iteration count to change from 19 to 12. The case happens to
> hit the threshold. By actu
Hi,
As PR92464 shows, the recent vectorization cost adjustment on load
insns is responsible for this regression. It leads the profitable
min iteration count to change from 19 to 12. The case happens to
hit the threshold. By actual runtime performance evaluation, the
vectorized version perform o
