fpu_vcksm
fpu_vcksm(16, 20, 16);
fpu_vcksm(17, 21, 17);
fpu_vcksm(18, 22, 18);
fpu_vcksm(19, 23, 19);
fpu_vcksm(16, 20, 16);
fpu_vcksm(17, 21, 17);
fpu_vcksm(16, 20, 16);
fpu_vcksm(16, 20, 16);
fpu_vcksm(18, 19, 18);
fpu_vcksm(16, 17, 16);
fpu_vcksm(16, 18, 16);