re PR middle-end/78700 (gccgo testcases stack.go, recover.go, crypto/tls fails)

	PR middle-end/78700
	* calls.c (expand_call): Move back call to prepare_call_address.

From-SVN: r243322

gcc/ChangeLog

+2016-12-06  Eric Botcazou  <ebotcazou@adacore.com>
+
+	PR middle-end/78700
+	* calls.c (expand_call): Move back call to prepare_call_address.
+
 2016-12-06  Michael Meissner  <meissner@linux.vnet.ibm.com>
 
 	PR target/78658

gcc/calls.c

@@ -3427,13 +3427,6 @@ expand_call (tree exp, rtx target, int ignore)
       if (STRICT_ALIGNMENT)
 	store_unaligned_arguments_into_pseudos (args, num_actuals);
 
-      /* Prepare the address of the call.  This must be done before any
-	 register parameters is loaded for find_first_parameter_load to
-	 work properly in the presence of descriptors.  */
-      funexp = prepare_call_address (fndecl ? fndecl : fntype, funexp,
-				     static_chain_value, &call_fusage,
-				     reg_parm_seen, flags);
-
       /* Now store any partially-in-registers parm.
 	 This is the last place a block-move can happen.  */
       if (reg_parm_seen)
@@ -3544,6 +3537,9 @@ expand_call (tree exp, rtx target, int ignore)
 	}
 
       after_args = get_last_insn ();
+      funexp = prepare_call_address (fndecl ? fndecl : fntype, funexp,
+				     static_chain_value, &call_fusage,
+				     reg_parm_seen, flags);
       load_register_parameters (args, num_actuals, &call_fusage, flags,
 				pass == 0, &sibcall_failure);