On Wed, Dec 01, 2021 at 07:57:53PM +0530, Siddhesh Poyarekar wrote:
> Recognize the __builtin_dynamic_object_size builtin and add paths in the
> object size path to deal with it, but treat it like
> __builtin_object_size for now. Also add tests to provide the same
> testing coverage for the new builtin name.
>
> gcc/ChangeLog:
>
> * builtins.def (BUILT_IN_DYNAMIC_OBJECT_SIZE): New builtin.
> * tree-object-size.h: Move object size type bits enum from
> tree-object-size.c and add new value OST_DYNAMIC.
> * builtins.c (expand_builtin, fold_builtin_2): Handle it.
> (fold_builtin_object_size): Handle new builtin and adjust for
> change to compute_builtin_object_size.
> * tree-object-size.c: Include builtins.h.
> (compute_builtin_object_size): Adjust.
> (early_object_sizes_execute_one,
> dynamic_object_sizes_execute_one): New functions.
> (object_sizes_execute): Rename insert_min_max_p argument to
> early. Handle BUILT_IN_DYNAMIC_OBJECT_SIZE and call the new
> functions.
> doc/extend.texi (__builtin_dynamic_object_size): Document new
> builtin.
>
> gcc/testsuite/ChangeLog:
>
> * g++.dg/ext/builtin-dynamic-object-size1.C: New test.
> * g++.dg/ext/builtin-dynamic-object-size2.C: Likewise.
> * gcc.dg/builtin-dynamic-alloc-size.c: Likewise.
> * gcc.dg/builtin-dynamic-object-size-1.c: Likewise.
> * gcc.dg/builtin-dynamic-object-size-10.c: Likewise.
> * gcc.dg/builtin-dynamic-object-size-11.c: Likewise.
> * gcc.dg/builtin-dynamic-object-size-12.c: Likewise.
> * gcc.dg/builtin-dynamic-object-size-13.c: Likewise.
> * gcc.dg/builtin-dynamic-object-size-14.c: Likewise.
> * gcc.dg/builtin-dynamic-object-size-15.c: Likewise.
> * gcc.dg/builtin-dynamic-object-size-16.c: Likewise.
> * gcc.dg/builtin-dynamic-object-size-17.c: Likewise.
> * gcc.dg/builtin-dynamic-object-size-18.c: Likewise.
> * gcc.dg/builtin-dynamic-object-size-19.c: Likewise.
> * gcc.dg/builtin-dynamic-object-size-2.c: Likewise.
> * gcc.dg/builtin-dynamic-object-size-3.c: Likewise.
> * gcc.dg/builtin-dynamic-object-size-4.c: Likewise.
> * gcc.dg/builtin-dynamic-object-size-5.c: Likewise.
> * gcc.dg/builtin-dynamic-object-size-6.c: Likewise.
> * gcc.dg/builtin-dynamic-object-size-7.c: Likewise.
> * gcc.dg/builtin-dynamic-object-size-8.c: Likewise.
> * gcc.dg/builtin-dynamic-object-size-9.c: Likewise.
> * gcc.dg/builtin-object-size-16.c: Adjust to allow inclusion
> from builtin-dynamic-object-size-16.c.
> * gcc.dg/builtin-object-size-17.c: Likewise.
Ok, thanks.
Jakub
