CVM_MT_AES_KEY
CNASM_MT2(tmp0, CVM_MT_AES_KEY, 0) /* delay slot */ \
CNASM_MT2(tmp1, CVM_MT_AES_KEY, 1) /* delay slot */ \
CNASM_MT2(tmp2, CVM_MT_AES_KEY, 2) /* delay slot */ \
CNASM_MT2(tmp3, CVM_MT_AES_KEY, 3) \