calls.c (expand_call): Add missing guard to code handling return of non-BLKmode structures in MSB.

	* calls.c (expand_call): Add missing guard to code handling return
	of non-BLKmode structures in MSB.
	* function.c (expand_function_end): Likewise.

From-SVN: r197003

gcc/ChangeLog

 2013-03-23  Eric Botcazou  <ebotcazou@adacore.com>
 
+	* calls.c (expand_call): Add missing guard to code handling return
+	of non-BLKmode structures in MSB.
+	* function.c (expand_function_end): Likewise.
+
+2013-03-23  Eric Botcazou  <ebotcazou@adacore.com>
+
 	* combine.c (try_combine): Adjust comment.  Do not add the set of
 	insn #0 if the destination indirectly is set or dies in insn #2.
 	Tidy up code to distribute a new note.

gcc/calls.c

@@ -3171,7 +3171,9 @@ expand_call (tree exp, rtx target, int ignore)
 	 group load/store machinery below.  */
       if (!structure_value_addr
 	  && !pcc_struct_value
+	  && TYPE_MODE (rettype) != VOIDmode
 	  && TYPE_MODE (rettype) != BLKmode
+	  && REG_P (valreg)
 	  && targetm.calls.return_in_msb (rettype))
 	{
 	  if (shift_return_value (TYPE_MODE (rettype), false, valreg))

gcc/function.c

@@ -5093,6 +5093,7 @@ expand_function_end (void)
 	     amount.  BLKmode results are handled using the group load/store
 	     machinery.  */
 	  if (TYPE_MODE (TREE_TYPE (decl_result)) != BLKmode
+	      && REG_P (real_decl_rtl)
 	      && targetm.calls.return_in_msb (TREE_TYPE (decl_result)))
 	    {
 	      emit_move_insn (gen_rtx_REG (GET_MODE (decl_rtl),