diff options
Diffstat (limited to 'gcc/fold-const.c')
| -rw-r--r-- | gcc/fold-const.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/gcc/fold-const.c b/gcc/fold-const.c index 20c94efedef..9a9ea2246c0 100644 --- a/gcc/fold-const.c +++ b/gcc/fold-const.c @@ -6524,9 +6524,11 @@ fold_unary (enum tree_code code, tree type, tree op0) arg0 = op0; if (arg0) { - if (code == NOP_EXPR || code == FLOAT_EXPR || code == CONVERT_EXPR) + if (code == NOP_EXPR || code == CONVERT_EXPR + || code == FLOAT_EXPR || code == ABS_EXPR) { - /* Don't use STRIP_NOPS, because signedness of argument type matters. */ + /* Don't use STRIP_NOPS, because signedness of argument type + matters. */ STRIP_SIGN_NOPS (arg0); } else @@ -10686,6 +10688,9 @@ multiple_of_p (tree type, tree top, tree bottom) int tree_expr_nonnegative_p (tree t) { + if (TYPE_UNSIGNED (TREE_TYPE (t))) + return 1; + switch (TREE_CODE (t)) { case ABS_EXPR: |