JH71X0_CLK_MUX_MASK
KASSERT(i <= __SHIFTOUT_MASK(JH71X0_CLK_MUX_MASK));
val &= ~JH71X0_CLK_MUX_MASK;
val |= __SHIFTIN(i, JH71X0_CLK_MUX_MASK);
size_t pindex = __SHIFTOUT(val, JH71X0_CLK_MUX_MASK);
KASSERT(i <= __SHIFTOUT_MASK(JH71X0_CLK_MUX_MASK));
val &= ~JH71X0_CLK_MUX_MASK;
val |= __SHIFTIN(i, JH71X0_CLK_MUX_MASK);
size_t pindex = __SHIFTOUT(val, JH71X0_CLK_MUX_MASK);