diff options
| author | Eric Botcazou <ebotcazou@adacore.com> | 2018-07-04 12:56:48 +0000 |
|---|---|---|
| committer | Eric Botcazou <ebotcazou@gcc.gnu.org> | 2018-07-04 12:56:48 +0000 |
| commit | 04f8c98c5137cf912095bc623e09b34616fc2fe8 (patch) | |
| tree | 727d0a38f6a8fda63eed7cca05fc53d467ea0508 | |
| parent | aacd59e7513d1de99a12f2794353f2d548c929d4 (diff) | |
| download | gcc-04f8c98c5137cf912095bc623e09b34616fc2fe8.zip gcc-04f8c98c5137cf912095bc623e09b34616fc2fe8.tar.gz gcc-04f8c98c5137cf912095bc623e09b34616fc2fe8.tar.bz2 | |
re PR middle-end/86380 (incorrect comparison in function choose_multiplier)
PR middle-end/86380
* expmed.c (choose_multiplier): Fix incorrect comparison with mask.
From-SVN: r262401
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/expmed.c | 2 |
2 files changed, 6 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 5ff1601..b898915 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2018-07-04 Eric Botcazou <ebotcazou@adacore.com> + + PR middle-end/86380 + * expmed.c (choose_multiplier): Fix incorrect comparison with mask. + 2018-07-04 Aldy Hernandez <aldyh@redhat.com> * tree-vrp.c (extract_range_from_binary_expr_1): Initialize diff --git a/gcc/expmed.c b/gcc/expmed.c index 4c74e7dc..b01e194 100644 --- a/gcc/expmed.c +++ b/gcc/expmed.c @@ -3678,7 +3678,7 @@ choose_multiplier (unsigned HOST_WIDE_INT d, int n, int precision, { unsigned HOST_WIDE_INT mask = (HOST_WIDE_INT_1U << n) - 1; *multiplier_ptr = mhigh.to_uhwi () & mask; - return mhigh.to_uhwi () >= mask; + return mhigh.to_uhwi () > mask; } else { |