[PATCH] use build_function_type_list in the frv backend

[Nathan Froyd]

As $SUBJECT suggests.  Tested with cross to frv-elf.  OK to commit?

-Nathan

        * config/frv/frv.c (frv_init_builtins): Delete `endlink' variable.
        Call builtin_function_type_list instead of builtin_function_type.
        (UNARY, BINARY, TRINARY, QUAD): Likewise.

diff --git a/gcc/config/frv/frv.c b/gcc/config/frv/frv.c
index 0913765..564baa0 100644
--- a/gcc/config/frv/frv.c
+++ b/gcc/config/frv/frv.c
@@ -8390,7 +8390,6 @@ static struct builtin_description bdesc_stores[] =
 static void
 frv_init_builtins (void)
 {
-  tree endlink = void_list_node;
   tree accumulator = integer_type_node;
   tree integer = integer_type_node;
   tree voidt = void_type_node;
@@ -8405,24 +8404,18 @@ frv_init_builtins (void)
   tree iacc   = integer_type_node;
 
 #define UNARY(RET, T1) \
-  build_function_type (RET, tree_cons (NULL_TREE, T1, endlink))
+  build_function_type_list (RET, T1, NULL_TREE)
 
 #define BINARY(RET, T1, T2) \
-  build_function_type (RET, tree_cons (NULL_TREE, T1, \
-                           tree_cons (NULL_TREE, T2, endlink)))
+  build_function_type_list (RET, T1, T2, NULL_TREE)
 
 #define TRINARY(RET, T1, T2, T3) \
-  build_function_type (RET, tree_cons (NULL_TREE, T1, \
-                           tree_cons (NULL_TREE, T2, \
-                           tree_cons (NULL_TREE, T3, endlink))))
+  build_function_type_list (RET, T1, T2, T3, NULL_TREE)
 
 #define QUAD(RET, T1, T2, T3, T4) \
-  build_function_type (RET, tree_cons (NULL_TREE, T1, \
-                           tree_cons (NULL_TREE, T2, \
-                           tree_cons (NULL_TREE, T3, \
-                           tree_cons (NULL_TREE, T4, endlink)))))
+  build_function_type_list (RET, T1, T2, T3, NULL_TREE)
 
-  tree void_ftype_void = build_function_type (voidt, endlink);
+  tree void_ftype_void = build_function_type_list (voidt, NULL_TREE);
 
   tree void_ftype_acc = UNARY (voidt, accumulator);
   tree void_ftype_uw4_uw1 = BINARY (voidt, uword4, uword1);