[Bug target/101296] Addition of x86 addsub SLP patterned slowed down 433.milc by 12% on znver2 with -Ofast -flto

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101296

--- Comment #4 from Richard Biener <rguenth at gcc dot gnu.org> ---
Disabling vectorization for mult_su3_nn (the one with the vaddsubpd
instructions) still reproduces

433.milc         9180        126       73.1 *    9180        133       69.2 *  

and thus a 5% slowdown.