diff options
| -rw-r--r-- | target-mips/translate.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/target-mips/translate.c b/target-mips/translate.c index cd0cf8b655..0883782b8c 100644 --- a/target-mips/translate.c +++ b/target-mips/translate.c @@ -19525,7 +19525,9 @@ static void decode_opc(CPUMIPSState *env, DisasContext *ctx) #if defined(TARGET_MIPS64) /* OPC_DAUI */ check_mips_64(ctx); - if (rt != 0) { + if (rs == 0) { + generate_exception(ctx, EXCP_RI); + } else if (rt != 0) { TCGv t0 = tcg_temp_new(); gen_load_gpr(t0, rs); tcg_gen_addi_tl(cpu_gpr[rt], t0, imm << 16); |