diff options
Diffstat (limited to 'gcc/doc/tm.texi')
| -rw-r--r-- | gcc/doc/tm.texi | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/gcc/doc/tm.texi b/gcc/doc/tm.texi index a7838ff3dc0..1a82bcc99b9 100644 --- a/gcc/doc/tm.texi +++ b/gcc/doc/tm.texi @@ -4076,11 +4076,11 @@ register to be used by the caller for this argument; likewise @code{TARGET_FUNCTION_INCOMING_ARG}, for the called function. @end deftypefn -@deftypefn {Target Hook} bool TARGET_PASS_BY_REFERENCE (cumulative_args_t @var{cum}, machine_mode @var{mode}, const_tree @var{type}, bool @var{named}) -This target hook should return @code{true} if an argument at the +@deftypefn {Target Hook} bool TARGET_PASS_BY_REFERENCE (cumulative_args_t @var{cum}, const function_arg_info @var{&arg}) +This target hook should return @code{true} if argument @var{arg} at the position indicated by @var{cum} should be passed by reference. This predicate is queried after target independent reasons for being -passed by reference, such as @code{TREE_ADDRESSABLE (type)}. +passed by reference, such as @code{TREE_ADDRESSABLE (@var{arg}.type)}. If the hook returns true, a copy of that argument is made in memory and a pointer to the argument is passed instead of the argument itself. |