diff options
Diffstat (limited to 'gcc/fold-const.c')
| -rw-r--r-- | gcc/fold-const.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/gcc/fold-const.c b/gcc/fold-const.c index 8519e68..22350b9 100644 --- a/gcc/fold-const.c +++ b/gcc/fold-const.c @@ -8247,7 +8247,12 @@ fold_unary (enum tree_code code, tree type, tree op0) case VIEW_CONVERT_EXPR: if (TREE_TYPE (op0) == type) return op0; - if (TREE_CODE (op0) == VIEW_CONVERT_EXPR) + if (TREE_CODE (op0) == VIEW_CONVERT_EXPR + || (TREE_CODE (op0) == NOP_EXPR + && INTEGRAL_TYPE_P (TREE_TYPE (op0)) + && INTEGRAL_TYPE_P (TREE_TYPE (TREE_OPERAND (op0, 0))) + && TYPE_PRECISION (TREE_TYPE (op0)) + == TYPE_PRECISION (TREE_TYPE (TREE_OPERAND (op0, 0))))) return fold_build1 (VIEW_CONVERT_EXPR, type, TREE_OPERAND (op0, 0)); return fold_view_convert_expr (type, op0); |