krh , Englisch
@krh@fosstodon.org avatar

TFW you're reading the compiler source to find out what kind of code to generate to trigger the optimization...

karolherbst ,
@karolherbst@chaos.social avatar

@krh isn't that the auto-vectorization programming model?

krh OP ,
@krh@fosstodon.org avatar

@karolherbst That's exactly what it is. And it can't generate vpmaskmovd, from an unrolled masked load loop. It only recognizes masking off the tail-end of an array.

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