X86_64_REGISTER_XMM15
_AddSIMDRegister(X86_64_REGISTER_XMM15, "ymm15",
_AddSIMDRegister(X86_64_REGISTER_XMM15, "xmm15",
X86_64_REGISTER_XMM15,
SetXMMRegister(X86_64_REGISTER_XMM15, extended.fp_ymm[15].value,