[Bug target/111768] X86: -march=native does not support alder lake big.little cache infor correctly

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111768

--- Comment #9 from Alexander Monakov <amonakov at gcc dot gnu.org> ---
(In reply to Arsen Arsenović from comment #8)
> indeed (but I believe it did happen with Alder Lake already, by accident,
> with AVX512 on P-cores but not on E-cores).

AFAIK on those Alder Lake CPUs you could only get AVX-512 by disabling E-cores
in the BIOS, so you couldn't boot in a configuration when both E-cores are
available and AVX-512 on P-cores is available.