diff options
| -rw-r--r-- | target-ppc/op_helper.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/target-ppc/op_helper.c b/target-ppc/op_helper.c index 13c1fbb00f..06a5a561ca 100644 --- a/target-ppc/op_helper.c +++ b/target-ppc/op_helper.c @@ -331,7 +331,8 @@ void do_mulldo (void) uint64_t tl; muls64(&tl, &th, T0, T1); - if (likely(th == 0)) { + /* If th != 0 && th != -1, then we had an overflow */ + if (likely((th + 1) <= 1)) { xer_ov = 0; } else { xer_ov = 1; |