fmul_fmul
fmul_fmul(b0, t00, z);
fmul_fmul(a0, b0, a0);
fmul_fmul(b0, t00, b0);
fmul_fmul(b1, t01, b1);
fmul_fmul(c0, t01, b1);
fmul_fmul(t01, t01, c0);
fmul_fmul(b1, t01, b1);
fmul_fmul(c, t0, b);
fmul_fmul(t0, t0, c);
fmul_fmul(t0, t0, b);
fmul_fmul(out, t0, a);
fmul_fmul(output, a, b);