[Bug target/114860] [14/15 regression] [aarch64] 511.povray regresses by ~5.5% with -O3 -flto -march=native -mcpu=neoverse-v2 since r14-10014-ga2f4be3dae04fa

[tnfchris at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114860

--- Comment #1 from Tamar Christina <tnfchris at gcc dot gnu.org> ---
Hmm

I Am unable to reproduce this with -O3 - flto -mcpu=neoverse-v2 on a
neoverse-v2 machine.

Is any other option required?

Also that code was new in gcc 14 and was partially reverted due to register
allocation issue.

So if there is a performance difference it's a miss optimization and not a
regression