diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index b4cb443985d..a3899ee4d4d 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,5 +1,8 @@
 Fri Apr 21 13:30:26 2000  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
 
+	* gengenrtl.c (gencode): Write obstack_alloc_rtx function start
+	in proper format.
+
 	* cse.c (cse_insn): In (set REG0 REG1) case, remove a REG_EQUAL
 	note for REG1.
 
diff --git a/gcc/gengenrtl.c b/gcc/gengenrtl.c
index 1519914edf0..26450a9e750 100644
--- a/gcc/gengenrtl.c
+++ b/gcc/gengenrtl.c
@@ -360,7 +360,8 @@ gencode ()
   puts ("#include \"ggc.h\"\n\n");
   puts ("extern struct obstack *rtl_obstack;\n\n");
   puts ("static rtx obstack_alloc_rtx PARAMS ((int length));\n");
-  puts ("static rtx obstack_alloc_rtx (length)\n");
+  puts ("static rtx\n");
+  puts ("obstack_alloc_rtx (length)\n");
   puts ("     register int length;\n{\n");
   puts ("  rtx rt = (rtx) obstack_alloc (rtl_obstack, length);\n\n");
   puts ("  memset(rt, 0, sizeof(struct rtx_def) - sizeof(rtunion));\n\n");