diff options
| -rw-r--r-- | target-mips/translate.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/target-mips/translate.c b/target-mips/translate.c index b3ae2cc..55e6290 100644 --- a/target-mips/translate.c +++ b/target-mips/translate.c @@ -1240,6 +1240,12 @@ static void gen_arith (CPUState *env, DisasContext *ctx, uint32_t opc, return; } GEN_LOAD_REG_TN(T0, rs); + /* Specialcase the conventional move operation. */ + if (rt == 0 && (opc == OPC_ADDU || opc == OPC_DADDU + || opc == OPC_SUBU || opc == OPC_DSUBU)) { + GEN_STORE_TN_REG(rd, T0); + return; + } GEN_LOAD_REG_TN(T1, rt); switch (opc) { case OPC_ADD: |