diff options
Diffstat (limited to 'gcc/expmed.c')
| -rw-r--r-- | gcc/expmed.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/gcc/expmed.c b/gcc/expmed.c index fea859a18c1..8e8a63917a1 100644 --- a/gcc/expmed.c +++ b/gcc/expmed.c @@ -4176,6 +4176,9 @@ expand_divmod (int rem_flag, enum tree_code code, enum machine_mode mode, HOST_WIDE_INT d = INTVAL (op1); unsigned HOST_WIDE_INT abs_d; + /* Since d might be INT_MIN, we have to cast to + unsigned HOST_WIDE_INT before negating to avoid + undefined signed overflow. */ abs_d = (d >= 0 ? (unsigned HOST_WIDE_INT) d : - (unsigned HOST_WIDE_INT) d); |
