function.c (assign_parms): For a struct value address passed as first argument...

	* function.c (assign_parms): For a struct value address passed as
	first argument, delay the function's result RTL setup code until
	after the emission of parameter conversions.

From-SVN: r64493

gcc/ChangeLog

+2003-03-17  Olivier Hainque  <hainque@act-europe.fr>
+
+	* function.c (assign_parms): For a struct value address passed as
+	first argument, delay the function's result RTL setup code until
+	after the emission of parameter conversions.
+	
 2003-03-17  Dave Love  <fx@gnu.org>
 	    Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
 

gcc/function.c

@@ -5009,13 +5009,20 @@ assign_parms (fndecl)
 
 	  SET_DECL_RTL (parm, stack_parm);
 	}
+    }
+
+  /* Output all parameter conversion instructions (possibly including calls)
+     now that all parameters have been copied out of hard registers.  */
+  emit_insn (conversion_insns);
 
-      /* If this "parameter" was the place where we are receiving the
-	 function's incoming structure pointer, set up the result.  */
-      if (parm == function_result_decl)
+  /* If we are receiving a struct value address as the first argument, set up
+     the RTL for the function result. As this might require code to convert
+     the transmitted address to Pmode, we do this here to ensure that possible
+     preliminary conversions of the address have been emitted already.  */
+  if (function_result_decl)
     {
       tree result = DECL_RESULT (fndecl);
-	  rtx addr = DECL_RTL (parm);
+      rtx addr = DECL_RTL (function_result_decl);
       rtx x;
       
 #ifdef POINTERS_EXTEND_UNSIGNED
@@ -5027,11 +5034,6 @@ assign_parms (fndecl)
       set_mem_attributes (x, result, 1);
       SET_DECL_RTL (result, x);
     }
-    }
-
-  /* Output all parameter conversion instructions (possibly including calls)
-     now that all parameters have been copied out of hard registers.  */
-  emit_insn (conversion_insns);
 
   last_parm_insn = get_last_insn ();