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Diffstat (limited to 'gcc/ChangeLog')
| -rw-r--r-- | gcc/ChangeLog | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index f485ba64177..4c46e2bbd44 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,6 +1,16 @@ 2019-11-21 Jakub Jelinek <jakub@redhat.com> Backported from mainline + 2019-11-19 Jakub Jelinek <jakub@redhat.com> + + PR middle-end/91450 + * internal-fn.c (expand_mul_overflow): For s1 * s2 -> ur, if one + operand is negative and one non-negative, compare the non-negative + one against 0 rather than comparing s1 & s2 against 0. Otherwise, + don't compare (s1 & s2) == 0, but compare separately both s1 == 0 + and s2 == 0, unless one of them is known to be negative. Remove + tem2 variable, use tem where tem2 has been used before. + 2019-11-08 Jakub Jelinek <jakub@redhat.com> PR c++/92384 |