D7
D7 = 1.98412698412698412699085805424661471e-4L,
x * (D7 + x * (D8 + x * (D9 + x * (D10 +
tf->tf_regs[D7] = 0;
gr[_REG_D7] = frame->f_regs[D7];
frame->f_regs[D7] = gr[_REG_D7];