[PATCH] D15408: [AArch64/LoopUnrollRuntime] Don't avoid high-cost trip count computation on the AArch64

[Junmo Park via llvm-commits]

flyingforyou added a comment.

Thanks Adam.

I just wan to say on AArch64, division cost is not high for forgiving unrolling oppotunity.
so I just agreed with

> we unroll a lot, and the benefits of unrolling are more significant, so we're more able to tolerate the expense, on average, of adivision to compute the trip count.


I just ran Single & MultiSource Benchmarks. I am not sure that I can run SPEC or not in a few days.

I am curious about performance regression on Cyclone. Is this patch harmful for Cyclone or Twister?

-Junmo


http://reviews.llvm.org/D15408