Tweak the pipeline model for Exynos M1
* gcc/config/aarch64/aarch64.c
(exynosm1_tunings): Enable the weak prefetching model.
Committed as r234307.
--
Evandro Menezes
>From a75d875a3c64180c9d6c368e2d87036d70f66036 Mon Sep 17 00:00:00 2001
From: evandro <evandro@138bc75d-0d04-0410-961f-82ee72b054a4>
Date: Thu, 17 Mar 2016 21:20:50 +0000
Subject: [PATCH] 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
---
gcc/ChangeLog | 7 +++++++
gcc/config/aarch64/aarch64.c | 2 +-
2 files changed, 8 insertions(+), 1 deletion(-)
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 4a74494..fc50cb7 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,10 @@
+2016-03-17 Evandro Menezes <[email protected]>
+
+ Tweak the pipeline model for Exynos M1
+
+ * config/aarch64/aarch64.c (exynosm1_tunings): Enable weak prefetching
+ model.
+
2016-03-17 David Malcolm <[email protected]>
PR c/70264
diff --git a/gcc/config/aarch64/aarch64.c b/gcc/config/aarch64/aarch64.c
index 12e498d..ed0daa5 100644
--- 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. */
};
--
1.9.1
