https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66594
--- Comment #4 from ktkachov at gcc dot gnu.org --- (In reply to David Malcolm from comment #2) > (In reply to Andrew Pinski from comment #1) > > This should be true on all targets which have -mcpu=native (or > > -march=native). Note x86 options are not always the same on x86 vs arm vs > > aarch64 vs ppc. > > Thanks. > > Is there a way to express > "give me the most specialized possible code for the current host"? > in a manner that's consistent across all supported hosts? > (e.g. in the "specs" language?) > > e.g. "-march=native -mcpu=native -mtune=native" A note that the meaning of march/mcpu/mtune may differ among targets. For arm and aarch64, for example, the preferred option is -mcpu, which is the combination of march+mtune
