se_sp
uintptr_t se_sp;
nsep->se_sp = fsip->fsi_sp;
sep->se_sp = NULL;
ASSERT3P(sep->se_sp, ==, sp);
sep->se_sp = NULL;
sfxge_t *sp = sep->se_sp;
sfxge_t *sp = sep->se_sp;
sfxge_t *sp = sep->se_sp;
sfxge_t *sp = sep->se_sp;
sfxge_t *sp = sep->se_sp;
sfxge_t *sp = sep->se_sp;
sfxge_t *sp = sep->se_sp;
sfxge_t *sp = sep->se_sp;
sfxge_t *sp = sep->se_sp;
sep->se_sp = sp;