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[COMMITTED,AArch64] Tweak the pipeline model for Exynos M1

Message ID 56EB2E89.3040400@samsung.com
State New
Headers show

Commit Message

Evandro Menezes March 17, 2016, 10:24 p.m. UTC 
Tweak the pipeline model for Exynos M1

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

Committed as r234307.
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Patch

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  <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 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