diff options
Diffstat (limited to 'gcc/fold-const.c')
| -rw-r--r-- | gcc/fold-const.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/gcc/fold-const.c b/gcc/fold-const.c index 26d43e41e82..3636a2f34ee 100644 --- a/gcc/fold-const.c +++ b/gcc/fold-const.c @@ -6781,12 +6781,14 @@ fold_sign_changed_comparison (location_t loc, enum tree_code code, tree type, && TREE_TYPE (TREE_OPERAND (arg1, 0)) == inner_type)) return NULL_TREE; - if ((TYPE_UNSIGNED (inner_type) != TYPE_UNSIGNED (outer_type) - || POINTER_TYPE_P (inner_type) != POINTER_TYPE_P (outer_type)) + if (TYPE_UNSIGNED (inner_type) != TYPE_UNSIGNED (outer_type) && code != NE_EXPR && code != EQ_EXPR) return NULL_TREE; + if (POINTER_TYPE_P (inner_type) != POINTER_TYPE_P (outer_type)) + return NULL_TREE; + if (TREE_CODE (arg1) == INTEGER_CST) arg1 = force_fit_type_double (inner_type, tree_to_double_int (arg1), 0, TREE_OVERFLOW (arg1)); |