https://gcc.gnu.org/bugzilla/show_bug.cgi?id=117008
--- Comment #8 from Jonathan Wakely <redi at gcc dot gnu.org> --- (In reply to Matt Bentley from comment #5) > (In reply to Andrew Pinski from comment #1) > > Can you provide the output of invoking g++ with -march=native and when > > compiling? > > The .ii files were identical, so did you you mean .o files? I'm guessing Andrew meant the output when you add -v to the compilation command, with and without march=native That would show exactly the instruction sets being enabled by march=native.
