dec_op_inst_nxt.saddr1 <= instr_spl.reg_src1_addr;
dec_op_inst_nxt.saddr2 <= instr_spl.reg_src2_addr;
dec_op_inst_nxt.daddr <= (others => '0');
dec_op_inst_nxt.saddr1 <= instr_spl.reg_src1_addr;
dec_op_inst_nxt.saddr2 <= instr_spl.reg_src2_addr;
dec_op_inst_nxt.daddr <= (others => '0');