aarch64_cortex-a53/
aarch64_generic/
arm_cortex-a15_neon-vfpv4/
arm_cortex-a7_neon-vfpv4/
arm_cortex-a9/
i386_pentium4/
mips_24kc/
mipsel_24kc/
mipsel_74kc/
x86_64/