From 6b3f41ed88e8e440e11a4fbf20b6600529f80049 Mon Sep 17 00:00:00 2001
From: Dimitry Andric <dim@FreeBSD.org>
Date: Tue, 16 May 2017 19:46:52 +0000
Subject: Vendor import of llvm trunk r303197:
 https://llvm.org/svn/llvm-project/llvm/trunk@303197

---
 lib/Target/AArch64/AArch64Subtarget.cpp | 8 ++++++++
 1 file changed, 8 insertions(+)

(limited to 'lib/Target/AArch64/AArch64Subtarget.cpp')

diff --git a/lib/Target/AArch64/AArch64Subtarget.cpp b/lib/Target/AArch64/AArch64Subtarget.cpp
index abdeac019a18..1c81d34014fd 100644
--- a/lib/Target/AArch64/AArch64Subtarget.cpp
+++ b/lib/Target/AArch64/AArch64Subtarget.cpp
@@ -91,6 +91,8 @@ void AArch64Subtarget::initializeProperties() {
   case Falkor:
     MaxInterleaveFactor = 4;
     VectorInsertExtractBaseCost = 2;
+    // FIXME: remove this to enable 64-bit SLP if performance looks good.
+    MinVectorRegisterBitWidth = 128;
     break;
   case Kryo:
     MaxInterleaveFactor = 4;
@@ -99,6 +101,8 @@ void AArch64Subtarget::initializeProperties() {
     PrefetchDistance = 740;
     MinPrefetchStride = 1024;
     MaxPrefetchIterationsAhead = 11;
+    // FIXME: remove this to enable 64-bit SLP if performance looks good.
+    MinVectorRegisterBitWidth = 128;
     break;
   case ThunderX2T99:
     CacheLineSize = 64;
@@ -108,6 +112,8 @@ void AArch64Subtarget::initializeProperties() {
     PrefetchDistance = 128;
     MinPrefetchStride = 1024;
     MaxPrefetchIterationsAhead = 4;
+    // FIXME: remove this to enable 64-bit SLP if performance looks good.
+    MinVectorRegisterBitWidth = 128;
     break;
   case ThunderX:
   case ThunderXT88:
@@ -116,6 +122,8 @@ void AArch64Subtarget::initializeProperties() {
     CacheLineSize = 128;
     PrefFunctionAlignment = 3;
     PrefLoopAlignment = 2;
+    // FIXME: remove this to enable 64-bit SLP if performance looks good.
+    MinVectorRegisterBitWidth = 128;
     break;
   case CortexA35: break;
   case CortexA53: break;
-- 
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