[Bug target/84481] [8/9 Regression] 429.mcf with -O2 regresses by ~6% and ~4%, depending on tuning, on Zen compared to GCC 7.2

[marxin at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84481

--- Comment #3 from Martin Liška <marxin at gcc dot gnu.org> ---
Interesting. Do I understand that correctly that it's due to increasing
addresses of the 3 load instructions: 0x8(%rdx), 0x18(%rdx), 0x30(%rdx) vs.
0x18(%rdx) 0x30(%rdx) 0x8(%rdx) ?