On Mon, Sep 27, 2021 at 02:55:28PM +0200, Vincent Lefevre wrote: > On 2021-09-17 12:53:25 -0500, Segher Boessenkool wrote: > > For x86 -march=something is the same as -march=native, _if_ the compiler > > knows about your CPU. > - -mabm [disabled] > + -mabm [enabled] So -mcpu=haswell disables ABM? Huh. I do not know the x86 backend very well, but that looks like a bug. > - -maes [disabled] > + -maes [enabled] Here, too. Esp. because the documentation says it 8should* be enabled. Maybe some features are disabled on some Haswell though? > - --param=l1-cache-size= 64 > - --param=l2-cache-size= 512 > + --param=l1-cache-size= 32 > + --param=l2-cache-size= 15360 This I already explained. Segher
