[DECODER] : Separate between RV32 & RV64 instruction

Created by: AyoubJalali

Is there an existing CVA6 bug for this?

• I have searched the existing bug issues

Bug Description

Still on the same issue, in the line, REV8 has 2 instr[31:20] value to be valid instrcution, but in fact REV8 is a RV64 instruction if instr.instr[31:20] == 12'b011010111000 & it's a RV32 if instr.instr[31:20] == 12'b011010011000, so it sould add a condition on this to improve CC