[Bug target/69274] [6 Regression] 435.gromacs performance regression after r231814 on x86 Haswell and bdver2

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69274

--- Comment #7 from Richard Biener <rguenth at gcc dot gnu.org> ---
So the main question remains - why's the patch not a no-op on x86_64.