https://gcc.gnu.org/bugzilla/show_bug.cgi?id=116854
--- Comment #6 from Thiago Macieira <thiago at kde dot org> --- (In reply to Thiago Macieira from comment #5) > The argument was that -march=bdver4 should not imply -mrdrnd, the same way > that we had to fix -march=westmere to -march=haswell not to imply -maes: not > all SKUs have this feature. That's what I had asked the reporters to file > with GCC. https://gcc.gnu.org/git/?p=gcc.git;a=commit;h=c94500335251e83ccee1ef096f0a63e97834258a I did look for where the BDVER4 features were defined so I could just submit a patch, but couldn't find it in 2 minutes, so gave up (unimportant to me).