[Bug tree-optimization/70577] [6 regression] tree-ssa/prefetch-5.c scan-tree-dump-times aprefetch failures

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70577

--- Comment #9 from Richard Biener <rguenth at gcc dot gnu.org> ---
(In reply to Kirill Yukhin from comment #8)
> This commit caused miscompare of spec2000/178.galgel on
> -march=skylake-avx512 (-Ofast -flto -funroll-loops):
>                    Newton iteration #  0    Maximal derivative = 0.1526E-07
>                    Newton iteration #  0    Maximal derivative = 0.3901E-07

Please file a separate bugreport for this.