__builtin_dynamic_object_size is missing from the full list of builtins,
so add it. Also mention it alongside __builtin_object_size in the
passes description.
gcc/ChangeLog:
* doc/extend.texi (__builtin_dynamic_object_size): Document
builtin.
* doc/passes.texi
(Optimize calls to @code{__builtin_object_size}): Also mention
__builtin_dynamic_object_size.
Signed-off-by: Siddhesh Poyarekar <siddh...@gotplt.org>
---
gcc/doc/extend.texi | 10 ++++++++--
gcc/doc/passes.texi | 11 ++++++-----
2 files changed, 14 insertions(+), 7 deletions(-)
diff --git a/gcc/doc/extend.texi b/gcc/doc/extend.texi
index d3812fa55b0..608ff54f845 100644
--- a/gcc/doc/extend.texi
+++ b/gcc/doc/extend.texi
@@ -14291,8 +14291,14 @@ and GCC does not issue a warning.
@end deftypefn
@deftypefn {Built-in Function}{size_t} __builtin_object_size (const void *
@var{ptr}, int @var{type})
-Returns the size of an object pointed to by @var{ptr}. @xref{Object Size
-Checking}, for a detailed description of the function.
+Returns a constant size estimate of an object pointed to by @var{ptr}.
+@xref{Object Size Checking}, for a detailed description of the function.
+@end deftypefn
+
+@deftypefn {Built-in Function}{size_t} __builtin_dynamic_object_size (const
void * @var{ptr}, int @var{type})
+Similar to @code{__builtin_object_size} except that the return value
+need not be a constant. @xref{Object Size Checking}, for a detailed
+description of the function.
@end deftypefn
@deftypefn {Built-in Function} double __builtin_huge_val (void)
diff --git a/gcc/doc/passes.texi b/gcc/doc/passes.texi
index 9e8b4f50ad6..d649db72bbe 100644
--- a/gcc/doc/passes.texi
+++ b/gcc/doc/passes.texi
@@ -843,12 +843,13 @@ foo()}, this pass tries to change the call so that the
address of
pass is located in @code{tree-nrv.cc} and is described by
@code{pass_return_slot}.
-@item Optimize calls to @code{__builtin_object_size}
+@item Optimize calls to @code{__builtin_object_size} or
+@code{__builtin_dynamic_object_size}
-This is a propagation pass similar to CCP that tries to remove calls
-to @code{__builtin_object_size} when the size of the object can be
-computed at compile-time. This pass is located in
-@file{tree-object-size.cc} and is described by
+This is a propagation pass similar to CCP that tries to remove calls to
+@code{__builtin_object_size} or @code{__builtin_dynamic_object_size}
+when the size of the object can be computed at compile-time. This pass
+is located in @file{tree-object-size.cc} and is described by
@code{pass_object_sizes}.
@item Loop invariant motion
--
2.38.1
