optabs.c (init_one_libfunc): Gen a FUNCTION_DECL for use by ENCODE_SECTION_INFO...

        * optabs.c (init_one_libfunc): Gen a FUNCTION_DECL for use by
        ENCODE_SECTION_INFO; get SYMBOL_REF from make_decl_rtl.

From-SVN: r45737

gcc/ChangeLog

 2001-09-21  Richard Henderson  <rth@redhat.com>
 
+	* optabs.c (init_one_libfunc): Gen a FUNCTION_DECL for use by
+	ENCODE_SECTION_INFO; get SYMBOL_REF from make_decl_rtl.
+
+2001-09-21  Richard Henderson  <rth@redhat.com>
+
 	* rtl.h (LCT_RETURNS_TWICE): New.
 	* calls.c (emit_call_1): Set current_function_calls_setjmp for
 	ECF_RETURNS_TWICE.

gcc/optabs.c

@@ -4687,9 +4687,17 @@ rtx
 init_one_libfunc (name)
      register const char *name;
 {
-  name = ggc_strdup (name);
-
-  return gen_rtx_SYMBOL_REF (Pmode, name);
+  /* Create a FUNCTION_DECL that can be passed to ENCODE_SECTION_INFO.  */
+  /* ??? We don't have any type information except for this is
+     a function.  See if error_mark_node is good enough.  */
+  tree decl = build_decl (FUNCTION_DECL, get_identifier (name),
+			  error_mark_node);
+  DECL_ARTIFICIAL (decl) = 1;
+  DECL_EXTERNAL (decl) = 1;
+  TREE_PUBLIC (decl) = 1;
+
+  /* Return the symbol_ref from the mem rtx.  */
+  return XEXP (DECL_RTL (decl), 0);
 }
 
 /* Mark ARG (which is really an OPTAB *) for GC.  */