diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 3c629efaf11c..22dd022b6bab 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2016-02-23  Evandro Menezes  <e.menezes@samsung.com>
+
+        * config/aarch64/aarch64.c (exynosm1_tunings): Enable the Newton
+        series for reciprocal square root in Exynos M1.
+
 2016-02-23  Martin Sebor  <msebor@redhat.com>
 
 	PR c/69759
diff --git a/gcc/config/aarch64/aarch64.c b/gcc/config/aarch64/aarch64.c
index 923a4b315428..dc3dfeac7ad2 100644
--- a/gcc/config/aarch64/aarch64.c
+++ b/gcc/config/aarch64/aarch64.c
@@ -538,7 +538,7 @@ static const struct tune_params exynosm1_tunings =
   48,	/* max_case_values.  */
   64,	/* cache_line_size.  */
   tune_params::AUTOPREFETCHER_OFF, /* autoprefetcher_model.  */
-  (AARCH64_EXTRA_TUNE_NONE) /* tune_flags.  */
+  (AARCH64_EXTRA_TUNE_RECIP_SQRT) /* tune_flags.  */
 };
 
 static const struct tune_params thunderx_tunings =