* dump.c (dequeue_and_dump): Handle RESULT_DECL.

	* ir.texi: Document RESULT_DECL and DECL_RESULT.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@29664 138bc75d-0d04-0410-961f-82ee72b054a4

diff --git a/gcc/cp/ChangeLog b/gcc/cp/ChangeLog
index 0efaa14..ada4959 100644 (file)
--- a/gcc/cp/ChangeLog
+++ b/gcc/cp/ChangeLog
@@ -1,5 +1,8 @@
 1999-09-25  Mark Mitchell  <mark@codesourcery.com>
 
+       * dump.c (dequeue_and_dump): Handle RESULT_DECL.
+       * ir.texi: Document RESULT_DECL and DECL_RESULT.
+
        * cp-tree.h (check_return_expr): New function.
        * decl.c (finish_constructor_body): New function.
        (pushdecl): Put global friend functions in namespace binding

diff --git a/gcc/cp/dump.c b/gcc/cp/dump.c
index 9ddc54f..64d1d21 100644 (file)
--- a/gcc/cp/dump.c
+++ b/gcc/cp/dump.c
@@ -584,6 +584,7 @@ dequeue_and_dump (di)
     case VAR_DECL:
     case PARM_DECL:
     case FIELD_DECL:
+    case RESULT_DECL:
       if (dump_children_p)
        {
          if (TREE_CODE (t) == PARM_DECL)

diff --git a/gcc/cp/ir.texi b/gcc/cp/ir.texi
index e2b58e9..26f4058 100644 (file)
--- a/gcc/cp/ir.texi
+++ b/gcc/cp/ir.texi
@@ -731,6 +731,7 @@ FIXME: Talk about @code{TYPE_NONCOPIED_PARTS}.
 @tindex PARM_DECL
 @tindex FIELD_DECL
 @tindex NAMESPACE_DECL
+@tindex RESULT_DECL
 @tindex TEMPLATE_DECL
 @tindex USING_DECL
 @findex DECL_INITIAL
@@ -792,6 +793,13 @@ the constant is given by @code{DECL_INITIAL} which will be an
 @code{INTEGER_CST} with the same type as the @code{TREE_TYPE} of the
 @code{CONST_DECL}, i.e., an @code{ENUMERAL_TYPE}.
 
+@item RESULT_DECL
+These nodes represent the value returned by a function.  When a value is
+assigned to a @code{RESULT_DECL}, that indicates that the value should
+be returned, via bitwise copy, by the function.  You can use
+@code{DECL_SIZE} and @code{DECL_ALIGN} on a @code{RESULT_DECL}, just as
+with a @code{VAR_DECL}.
+
 @item TYPE_DECL
 These nodes represent @code{typedef} declarations.  The @code{TREE_TYPE}
 is the type declared to have the name given by @code{DECL_NAME}.  In
@@ -988,6 +996,9 @@ This macro returns the @code{PARM_DECL} for the first argument to the
 function.  Subsequent @code{PARM_DECL} nodes can be obtained by
 following the @code{TREE_CHAIN} links.
 
+@item DECL_RESULT
+This macro returns the @code{RESULT_DECL} for the function.
+
 @item TREE_TYPE
 This macro returns the @code{FUNCTION_TYPE} or @code{METHOD_TYPE} for
 the function.