diff options
Diffstat (limited to 'gcc/tree-object-size.cc')
| -rw-r--r-- | gcc/tree-object-size.cc | 19 |
1 files changed, 3 insertions, 16 deletions
diff --git a/gcc/tree-object-size.cc b/gcc/tree-object-size.cc index a551f2b..2d13ab7 100644 --- a/gcc/tree-object-size.cc +++ b/gcc/tree-object-size.cc @@ -861,12 +861,10 @@ addr_object_size (struct object_size_info *osi, const_tree ptr, 4th argument TYPE_OF_SIZE: A constant 0 with its TYPE being the same as the TYPE of the object referenced by REF_TO_SIZE 6th argument: A constant 0 with the pointer TYPE to the original flexible - array type or pointer field type. + array type. The size of the element can be retrived from the TYPE of the 6th argument - of the call, which is the pointer to the original flexible array type or - the type of the original pointer field. */ - + of the call, which is the pointer to the array type. */ static tree access_with_size_object_size (const gcall *call, int object_size_type) { @@ -876,7 +874,7 @@ access_with_size_object_size (const gcall *call, int object_size_type) gcc_assert (gimple_call_internal_p (call, IFN_ACCESS_WITH_SIZE)); /* The type of the 6th argument type is the pointer TYPE to the original - flexible array type or to the original pointer type. */ + flexible array type. */ tree pointer_to_array_type = TREE_TYPE (gimple_call_arg (call, 5)); gcc_assert (POINTER_TYPE_P (pointer_to_array_type)); tree element_type = TREE_TYPE (TREE_TYPE (pointer_to_array_type)); @@ -1944,17 +1942,6 @@ collect_object_sizes_for (struct object_size_info *osi, tree var) if (TREE_CODE (rhs) == SSA_NAME && POINTER_TYPE_P (TREE_TYPE (rhs))) reexamine = merge_object_sizes (osi, var, rhs); - /* Handle the following stmt #2 to propagate the size from the - stmt #1 to #3: - 1 _1 = .ACCESS_WITH_SIZE (_3, _4, 1, 0, -1, 0B); - 2 _5 = *_1; - 3 _6 = __builtin_dynamic_object_size (_5, 1); - */ - else if (TREE_CODE (rhs) == MEM_REF - && POINTER_TYPE_P (TREE_TYPE (rhs)) - && TREE_CODE (TREE_OPERAND (rhs, 0)) == SSA_NAME - && integer_zerop (TREE_OPERAND (rhs, 1))) - reexamine = merge_object_sizes (osi, var, TREE_OPERAND (rhs, 0)); else expr_object_size (osi, var, rhs); } |