function.c (expand_function_start): Set DECL_REGISTER on a pseudo used for DECL_RESULT.

        * function.c (expand_function_start): Set DECL_REGISTER on
        a pseudo used for DECL_RESULT.

From-SVN: r40896

gcc/ChangeLog

+2001-03-27  Richard Henderson  <rth@redhat.com>
+
+	* function.c (expand_function_start): Set DECL_REGISTER on
+	a pseudo used for DECL_RESULT.
+
 2001-03-27  Stan Shebs  <shebs@apple.com>
 
 	* objc/objc-act.c (objc_init): Use dump_base_name.

gcc/function.c

@@ -6387,10 +6387,13 @@ expand_function_start (subr, parms_have_cleanups)
 #endif
 
       SET_DECL_RTL (DECL_RESULT (subr), gen_reg_rtx (mode));
+      /* Needed because we may need to move this to memory
+	 in case it's a named return value whose address is taken.  */
+      DECL_REGISTER (DECL_RESULT (subr)) = 1;
     }
   else
-    /* Scalar, returned in a register.  */
     {
+      /* Scalar, returned in a register.  */
       SET_DECL_RTL (DECL_RESULT (subr),
 		    hard_function_value (TREE_TYPE (DECL_RESULT (subr)), 
 					 subr, 1));