[PATCH] D38378: [ARM] Optimize {s,u}{add,sub}.with.overflow.

[Evgeny Astigeevich via Phabricator via llvm-commits]

eastig added a comment.

Hi,

The patch caused regressions in LNT benchmarks on Cortex-A9:

SingleSource/Benchmarks/McGill/chomp: 12.79%
MultiSource/Benchmarks/FreeBench/fourinarow/fourinarow: 9.00%

There are also ~10% regressions in our benchmarks on Cortex-M4 and Cortex-M33 due to the patch.

I'm analysing them.

Thanks,
Evgeny Astigeevich


Repository:
  rL LLVM

https://reviews.llvm.org/D38378