re PR other/12081 (Gcc can't be compiled with -mregparm=3)

	PR other/12081
	config/rs6000/rs6000.c (gen_2arg_fn_t): Remove typedef.
	(rs6000_emit_swdiv, rs6000_emit_swrsqrt): Don't cast result of GEN_FCN
	to gen_2arg_fn_t.

From-SVN: r201580

gcc/ChangeLog

+2013-08-07  Oleg Endo <olegendo@gcc.gnu.org>
+
+	PR other/12081
+	config/rs6000/rs6000.c (gen_2arg_fn_t): Remove typedef.
+	(rs6000_emit_swdiv, rs6000_emit_swrsqrt): Don't cast result of GEN_FCN
+	to gen_2arg_fn_t.
+
 2013-08-07  Eric Botcazou  <ebotcazou@adacore.com>
 
 	* rtl.h (update_alignments): Declare.

gcc/config/rs6000/rs6000.c

@@ -284,9 +284,6 @@ static struct
   { "rsqrtd",	 (RECIP_DF_RSQRT | RECIP_V2DF_RSQRT) },
 };
 
-/* 2 argument gen function typedef.  */
-typedef rtx (*gen_2arg_fn_t) (rtx, rtx, rtx);
-
 /* Pointer to function (in rs6000-c.c) that can define or undefine target
    macros that have changed.  Languages that don't support the preprocessor
    don't link in rs6000-c.c, so we can't call it directly.  */
@@ -28139,7 +28136,7 @@ rs6000_emit_swdiv (rtx dst, rtx n, rtx d, bool note_p)
     passes++;
 
   enum insn_code code = optab_handler (smul_optab, mode);
-  gen_2arg_fn_t gen_mul = (gen_2arg_fn_t) GEN_FCN (code);
+  insn_gen_fn gen_mul = GEN_FCN (code);
 
   gcc_assert (code != CODE_FOR_nothing);
 
@@ -28217,7 +28214,7 @@ rs6000_emit_swrsqrt (rtx dst, rtx src)
   int i;
   rtx halfthree;
   enum insn_code code = optab_handler (smul_optab, mode);
-  gen_2arg_fn_t gen_mul = (gen_2arg_fn_t) GEN_FCN (code);
+  insn_gen_fn gen_mul = GEN_FCN (code);
 
   gcc_assert (code != CODE_FOR_nothing);