Available CPUs for this target:
native - Select the CPU of the current host (currently haswell).
amdfam10
athlon
athlon-4
athlon-fx
athlon-mp
athlon-tbird
athlon-xp
athlon64
athlon64-sse3
atom
barcelona
bdver1
bdver2
bdver3
bdver4
bonnell
broadwell
btver1
btver2
c3
c3-2
cannonlake
cascadelake
cooperlake
core-avx-i
core-avx2
core2
corei7
corei7-avx
generic
geode
goldmont
goldmont-plus
haswell
i386
i486
i586
i686
icelake-client
icelake-server
ivybridge
k6
k6-2
k6-3
k8
k8-sse3
knl
knm
lakemont
nehalem
nocona
opteron
opteron-sse3
penryn
pentium
pentium-m
pentium-mmx
pentium2
pentium3
pentium3m
pentium4
pentium4m
pentiumpro
prescott
sandybridge
silvermont
skx
skylake
skylake-avx512
slm
tremont
westmere
winchip-c6
winchip2
x86-64
yonah
znver1
znver2