FBT_OP_ADD
(FBT_OP_ADD | ((rs) << FBT_FMT3_RS1_SHIFT) | \
(FBT_OP_ADD | ((rs1) << FBT_FMT3_RS1_SHIFT) | \
uint32_t add = (restore & ~FBT_FMT3_OP_MASK) | FBT_OP_ADD;