Fix incorrect natural vector size on Zen4

[abadams]

No description provided.

[abadams]

Looks like the function is marked .func instead of .entry in the ptx now, which results in it being dead-stripped by the ptx compiler. I'll see if I can find out what we're supposed to be doing

[mcourteaux]

Looks like the function is marked .func instead of .entry in the ptx now, which results in it being dead-stripped by the ptx compiler. I'll see if I can find out what we're supposed to be doing

Thanks. It's been bugging me for a week now, and I can't do anything about it :P

[abadams]

Oops, I actually meant to leave that comment in your PR, but yeah, it's the same issue