[simplify-rtx] Fix unused variable warning in simplify_cond_clz_ctz on some targets

	* simplify-rtx.c (simplify_cond_clz_ctz): Delete 'mode' local
	variable.

From-SVN: r237180

gcc/ChangeLog

+2016-06-07  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
+
+	* simplify-rtx.c (simplify_cond_clz_ctz): Delete 'mode' local
+	variable.
+
 2016-06-07  Jakub Jelinek  <jakub@redhat.com>
 
 	* config/i386/sse.md (avx_vec_concat<mode>): Add v=v,vm and

gcc/simplify-rtx.c

@@ -5301,9 +5301,10 @@ simplify_cond_clz_ctz (rtx x, rtx_code cmp_code, rtx true_val, rtx false_val)
     return NULL_RTX;
 
   HOST_WIDE_INT op_val;
-  machine_mode mode = GET_MODE (on_nonzero);
-  if (((op_code == CLZ && CLZ_DEFINED_VALUE_AT_ZERO (mode, op_val))
-	|| (op_code == CTZ && CTZ_DEFINED_VALUE_AT_ZERO (mode, op_val)))
+  if (((op_code == CLZ
+	&& CLZ_DEFINED_VALUE_AT_ZERO (GET_MODE (on_nonzero), op_val))
+      || (op_code == CTZ
+	  && CTZ_DEFINED_VALUE_AT_ZERO (GET_MODE (on_nonzero), op_val)))
       && op_val == INTVAL (on_zero))
     return on_nonzero;