From ef790ffd56873fddcc9e9d3473af0b2cd82776e7 Mon Sep 17 00:00:00 2001
From: Haicheng Wu <haicheng@codeaurora.org>
Date: Mon, 12 Jun 2017 16:34:19 +0000
Subject: [Falkor] Enable SW Prefetch.

SW prefetch is good for Falkor.

Differential Revision: http://reviews.llvm.org/D34084

llvm-svn: 305199
---
 llvm/lib/Target/AArch64/AArch64Subtarget.cpp | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'llvm/lib')

diff --git a/llvm/lib/Target/AArch64/AArch64Subtarget.cpp b/llvm/lib/Target/AArch64/AArch64Subtarget.cpp
index d3cab1ad339..a9a9d5ce842 100644
--- a/llvm/lib/Target/AArch64/AArch64Subtarget.cpp
+++ b/llvm/lib/Target/AArch64/AArch64Subtarget.cpp
@@ -92,6 +92,10 @@ void AArch64Subtarget::initializeProperties() {
     MaxInterleaveFactor = 4;
     // FIXME: remove this to enable 64-bit SLP if performance looks good.
     MinVectorRegisterBitWidth = 128;
+    CacheLineSize = 128;
+    PrefetchDistance = 820;
+    MinPrefetchStride = 2048;
+    MaxPrefetchIterationsAhead = 8;
     break;
   case Kryo:
     MaxInterleaveFactor = 4;
-- 
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