builtins.c (expand_builtin_thread_pointer): Create a new target when the target is NULL.

2014-02-25  Andrew Pinski  <apinski@cavium.com>

	* builtins.c (expand_builtin_thread_pointer): Create a new target
	when the target is NULL.

From-SVN: r208163

gcc/ChangeLog

+2014-02-25  Andrew Pinski  <apinski@cavium.com>
+
+	* builtins.c (expand_builtin_thread_pointer): Create a new target
+	when the target is NULL.
+
 2014-02-25  Vladimir Makarov  <vmakarov@redhat.com>
 
 	PR rtl-optimization/60317

gcc/builtins.c

@@ -5712,7 +5712,10 @@ expand_builtin_thread_pointer (tree exp, rtx target)
   if (icode != CODE_FOR_nothing)
     {
       struct expand_operand op;
-      if (!REG_P (target) || GET_MODE (target) != Pmode)
+      /* If the target is not sutitable then create a new target. */
+      if (target == NULL_RTX
+	  || !REG_P (target)
+	  || GET_MODE (target) != Pmode)
 	target = gen_reg_rtx (Pmode);
       create_output_operand (&op, target, Pmode);
       expand_insn (icode, 1, &op);