X86_64_REGISTER_XMM12
_AddSIMDRegister(X86_64_REGISTER_XMM12, "ymm12",
_AddSIMDRegister(X86_64_REGISTER_XMM12, "xmm12",
X86_64_REGISTER_XMM12,
SetXMMRegister(X86_64_REGISTER_XMM12, extended.fp_ymm[12].value,