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From: "vries at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug target/96706] [nvptx] compilation failure of pr89663-1.c
Date: Wed, 19 Aug 2020 13:58:16 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D96706

Tom de Vries <vries at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Target|                            |nvptx

--- Comment #1 from Tom de Vries <vries at gcc dot gnu.org> ---
Tentative patch:
...
diff --git a/gcc/config/nvptx/nvptx.c b/gcc/config/nvptx/nvptx.c
index 39d0275493a..7ad9ab326d0 100644
--- a/gcc/config/nvptx/nvptx.c
+++ b/gcc/config/nvptx/nvptx.c
@@ -895,12 +895,12 @@ write_fn_proto (std::stringstream &s, bool is_defn,
      NULL in DECL_ARGUMENTS, for builtin functions without another
        declaration.
      So we have to pick the best one we have.  */
-  tree args =3D TYPE_ARG_TYPES (fntype);
-  bool prototyped =3D true;
+  tree args =3D DECL_ARGUMENTS (decl);
+  bool prototyped =3D false;
   if (!args)
     {
-      args =3D DECL_ARGUMENTS (decl);
-      prototyped =3D false;
+      args =3D TYPE_ARG_TYPES (fntype);
+      prototyped =3D true;
     }

   for (; args; args =3D TREE_CHAIN (args), not_atomic_weak_arg--)
@@ -1304,12 +1304,12 @@ nvptx_declare_function_name (FILE *file, const char
*name, const_tree decl)
     argno =3D write_arg_type (s, 0, argno, ptr_type_node, true);

   /* Declare and initialize incoming arguments.  */
-  tree args =3D TYPE_ARG_TYPES (fntype);
-  bool prototyped =3D true;
+  tree args =3D DECL_ARGUMENTS (decl);
+  bool prototyped =3D false;
   if (!args)
     {
-      args =3D DECL_ARGUMENTS (decl);
-      prototyped =3D false;
+      args =3D TYPE_ARG_TYPES (fntype);
+      prototyped =3D true;
     }

   for (; args !=3D NULL_TREE; args =3D TREE_CHAIN (args))
...=