call.c (convert_arg_to_ellipsis): Avoid promoting decimal32 to double.

	* call.c (convert_arg_to_ellipsis): Avoid promoting decimal32
	to double.

	* c-c++-common/dfp/func-vararg-alternate-d32.c: Remove XFAIL.
	* c-c++-common/dfp/func-vararg-dfp.c: Ditto.
	* c-c++-common/dfp/func-vararg-mixed.c: Ditto.
	* c-c++-common/dfp/func-vararg-mixed-2.c: Ditto.

From-SVN: r152408

gcc/ChangeLog

+2009-10-02  Janis Johnson  <janis187@us.ibm.com>
+
+	* call.c (convert_arg_to_ellipsis): Avoid promoting decimal32
+	to double.
+
 2009-10-02  Jakub Jelinek  <jakub@redhat.com>
 
 	PR debug/41404

gcc/cp/call.c

@@ -5104,7 +5104,8 @@ convert_arg_to_ellipsis (tree arg)
      promoted type before the call.  */
   if (TREE_CODE (TREE_TYPE (arg)) == REAL_TYPE
       && (TYPE_PRECISION (TREE_TYPE (arg))
-	  < TYPE_PRECISION (double_type_node)))
+	  < TYPE_PRECISION (double_type_node))
+      && !DECIMAL_FLOAT_MODE_P (TYPE_MODE (TREE_TYPE (arg))))
     arg = convert_to_real (double_type_node, arg);
   else if (INTEGRAL_OR_ENUMERATION_TYPE_P (TREE_TYPE (arg)))
     arg = perform_integral_promotions (arg);

gcc/testsuite/ChangeLog

+2009-10-02  Janis Johnson  <janis187@us.ibm.com>
+
+	* c-c++-common/dfp/func-vararg-alternate-d32.c: Remove XFAIL.
+	* c-c++-common/dfp/func-vararg-dfp.c: Ditto.
+	* c-c++-common/dfp/func-vararg-mixed.c: Ditto.
+	* c-c++-common/dfp/func-vararg-mixed-2.c: Ditto.
+
 2009-10-02  Tobias Burnus  <burnus@net-b.de>
 
 	PR fortran/41479

gcc/testsuite/c-c++-common/dfp/func-vararg-alternate-d32.c

-/* { dg-xfail-run-if "32-bit vararg broken" { c++ } { "*" } { "" } } */
 /* Simple test of vararg passing for problematic types with and without
    double values passed between them.  */
 

gcc/testsuite/c-c++-common/dfp/func-vararg-dfp.c

-/* { dg-xfail-run-if "32-bit vararg broken" { c++ } { "*" } { "" } } */
-
 /* C99 6.5.2.2 Function calls.
    Test passing varargs of the decimal float types.  */
 

gcc/testsuite/c-c++-common/dfp/func-vararg-mixed-2.c

 /* { dg-do run { target { { i?86-*-* x86_64-*-* } && ilp32 } } } */
-/* { dg-xfail-run-if "32-bit vararg broken" { c++ } { "*" } { "" } } */
 /* { dg-options "-mpreferred-stack-boundary=2" } */
 
 /* C99 6.5.2.2 Function calls.

gcc/testsuite/c-c++-common/dfp/func-vararg-mixed.c

-/* { dg-xfail-run-if "32-bit vararg broken" { c++ } { "*" } { "" } } */
-
 /* C99 6.5.2.2 Function calls.
    Test passing varargs of the combination of decimal float types and
    other types.  */