diff options
Diffstat (limited to 'gcc/fold-const.c')
| -rw-r--r-- | gcc/fold-const.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/gcc/fold-const.c b/gcc/fold-const.c index 8faf77d8751..33467eb88f2 100644 --- a/gcc/fold-const.c +++ b/gcc/fold-const.c @@ -9528,6 +9528,13 @@ fold_binary (enum tree_code code, tree type, tree op0, tree op1) fold_convert (sizetype, arg1), fold_convert (sizetype, arg0))); + /* index +p PTR -> PTR +p index */ + if (POINTER_TYPE_P (TREE_TYPE (arg1)) + && INTEGRAL_TYPE_P (TREE_TYPE (arg0))) + return fold_build2 (POINTER_PLUS_EXPR, type, + fold_convert (type, arg1), + fold_convert (sizetype, arg0)); + /* (PTR +p B) +p A -> PTR +p (B + A) */ if (TREE_CODE (arg0) == POINTER_PLUS_EXPR) { |