diff options
Diffstat (limited to 'gcc/fold-const.c')
| -rw-r--r-- | gcc/fold-const.c | 15 |
1 files changed, 10 insertions, 5 deletions
diff --git a/gcc/fold-const.c b/gcc/fold-const.c index 719b787..8c0cb1d 100644 --- a/gcc/fold-const.c +++ b/gcc/fold-const.c @@ -8351,11 +8351,16 @@ fold_unary (enum tree_code code, tree type, tree op0) mult_type = type; else mult_type = unsigned_type_for (type); - - tem = fold_build2 (MULT_EXPR, mult_type, - fold_convert (mult_type, TREE_OPERAND (op0, 0)), - fold_convert (mult_type, TREE_OPERAND (op0, 1))); - return fold_convert (type, tem); + + if (TYPE_PRECISION (mult_type) < TYPE_PRECISION (TREE_TYPE (op0))) + { + tem = fold_build2 (MULT_EXPR, mult_type, + fold_convert (mult_type, + TREE_OPERAND (op0, 0)), + fold_convert (mult_type, + TREE_OPERAND (op0, 1))); + return fold_convert (type, tem); + } } tem = fold_convert_const (code, type, op0); |