SR_SPIE
#define SR_USER64 (SR_SPIE | __SHIFTIN(SR_UXL_64, SR_UXL))
#define SR_USER32 (SR_SPIE | __SHIFTIN(SR_UXL_32, SR_UXL))
#define SR_USER (SR_SPIE)
KASSERT(__SHIFTOUT(tf->tf_sr, SR_SPIE) != 0);
KASSERT(__SHIFTOUT(tf->tf_sr, SR_SPIE) != 0);
KASSERT(__SHIFTOUT(tf->tf_sr, SR_SPIE) != 0 ||