KSU_USER
case KSU_USER:
UASM_i_LA(&p, GPR_K0, ST0_EXL | KSU_USER | ST0_BEV | ST0_KX_IF_64);
uasm_i_addiu(&p, GPR_K0, GPR_ZERO, ST0_EXL | KSU_USER | ST0_IE | ST0_KX_IF_64);
uasm_i_addiu(&p, GPR_AT, GPR_ZERO, ~(ST0_EXL | KSU_USER | ST0_IE));
uasm_i_ori(&p, GPR_V1, GPR_V1, ST0_EXL | KSU_USER | ST0_IE);
case KSU_USER: