Tweak the pipeline model for Exynos M1

	* gcc/config/aarch64/aarch64.c
	(exynosm1_tunings): Enable the weak prefetching model.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@234307 138bc75d-0d04-0410-961f-82ee72b054a4

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 4a74494a4cb907ab21492218420e14ba844c1bcd..fc50cb7a203dabebf98a658ba01ff85fe18c4e15 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,10 @@
+2016-03-17  Evandro Menezes  <e.menezes@samsung.com>
+       
+       Tweak the pipeline model for Exynos M1
+
+       * config/aarch64/aarch64.c (exynosm1_tunings):  Enable weak prefetching
+       model.
+
 2016-03-17  David Malcolm  <dmalcolm@redhat.com>
 
        PR c/70264

diff --git a/gcc/config/aarch64/aarch64.c b/gcc/config/aarch64/aarch64.c
index 12e498d238c2c1a41e3d8ae9dec874eb91d87d68..ed0daa529368280a19dc56bf91616b5483b34519 100644 (file)
--- a/gcc/config/aarch64/aarch64.c
+++ b/gcc/config/aarch64/aarch64.c
@@ -537,7 +537,7 @@ static const struct tune_params exynosm1_tunings =
   2,   /* min_div_recip_mul_df.  */
   48,  /* max_case_values.  */
   64,  /* cache_line_size.  */
-  tune_params::AUTOPREFETCHER_OFF, /* autoprefetcher_model.  */
+  tune_params::AUTOPREFETCHER_WEAK, /* autoprefetcher_model.  */
   (AARCH64_EXTRA_TUNE_APPROX_RSQRT) /* tune_flags.  */
 };