validFloatVectorRegister
else if (registers.validFloatVectorRegister(i))
assert(validFloatVectorRegister(num));
assert(validFloatVectorRegister(num));
assert(validFloatVectorRegister(num));
assert(validFloatVectorRegister(num));
assert(validFloatVectorRegister(num));
assert(validFloatVectorRegister(num));