[decoder] fixed error with decoding slli type instructions

4 years ago · 3f11cd84ca
parent f3959be843
commit 3f11cd84ca
1 changed files with 1 additions and 2 deletions
--- a/riscemu/decoder/formats.py
+++ b/riscemu/decoder/formats.py
@ -96,8 +96,7 @@ def decode_j(ins: int) -> List[Union[str, int]]:
 def decode_i_shamt(ins: int) -> List[Union[str, int]]:
    if funct3(ins) in (1, 5):
        return [RISCV_REGS[rd(ins)], RISCV_REGS[rs1(ins)], rs2(ins)]
-    else:
+    return decode_i(ins)
        return [RISCV_REGS[rd(ins)], RISCV_REGS[rs1(ins)], imm110(ins)]
 INSTRUCTION_ARGS_DECODER: Dict[int, Callable[[int], List[Union[str, int]]]] = {