Hello,
Jan Hubicka via Gcc-patches writes:
> Hi,
> when vectorizing 4 times, we sometimes do
> for
> <4x vectorized body>
> for
> <2x vectorized body>
> for
> <1x vectorized body>
>
> Here the second two fors handling epilogue never iterates.
> Currently vecotrizer thinks
Hi,
when vectorizing 4 times, we sometimes do
for
<4x vectorized body>
for
<2x vectorized body>
for
<1x vectorized body>
Here the second two fors handling epilogue never iterates.
Currently vecotrizer thinks that the middle for itrates twice.
This turns out to be