# <variant> <arch> <flags>
amd64v4     amd64  lm,cmov,cx8,fpu,fxsr,mmx,syscall,sse2,cx16,lahf_lm,popcnt,sse4_1,sse4_2,ssse3,avx,avx2,bmi1,bmi2,f16c,fma,abm,movbe,xsave,avx512f,avx512bw,avx512cd,avx512dq,avx512vl
amd64v3     amd64  lm,cmov,cx8,fpu,fxsr,mmx,syscall,sse2,cx16,lahf_lm,popcnt,sse4_1,sse4_2,ssse3,avx,avx2,bmi1,bmi2,f16c,fma,abm,movbe,xsave
amd64v2     amd64  lm,cmov,cx8,fpu,fxsr,mmx,syscall,sse2,cx16,lahf_lm,popcnt,sse4_1,sse4_2,ssse3
amd64v1     amd64  lm,cmov,cx8,fpu,fxsr,mmx,syscall,sse2