Fix ICE in aarch64_float_const_representable_p

2014-06-02  Tom de Vries  <tom@codesourcery.com>

	* config/aarch64/aarch64.c (aarch64_float_const_representable_p): Handle
	case that x has VOIDmode.

From-SVN: r211132

gcc/ChangeLog

+2014-06-02  Tom de Vries  <tom@codesourcery.com>
+
+	* config/aarch64/aarch64.c (aarch64_float_const_representable_p): Handle
+	case that x has VOIDmode.
+
 2014-06-02  Bernd Schmidt  <bernds@codesourcery.com>
 
 	* varasm.c (copy_constant): Delete function.

gcc/config/aarch64/aarch64.c

@@ -8466,6 +8466,9 @@ aarch64_float_const_representable_p (rtx x)
   if (!CONST_DOUBLE_P (x))
     return false;
 
+  if (GET_MODE (x) == VOIDmode)
+    return false;
+
   REAL_VALUE_FROM_CONST_DOUBLE (r, x);
 
   /* We cannot represent infinities, NaNs or +/-zero.  We won't