[PATCH] D21535: [Kryo] Enable loop prefetcher.

[Haicheng Wu via llvm-commits]

haicheng created this revision.
haicheng added reviewers: mcrosier, mssimpso.
haicheng added a subscriber: llvm-commits.
haicheng set the repository for this revision to rL LLVM.
Herald added a subscriber: mcrosier.

SW prefetcher is beneficial to Kryo.

Repository:
  rL LLVM

http://reviews.llvm.org/D21535

Files:
  lib/Target/AArch64/AArch64Subtarget.cpp

Index: lib/Target/AArch64/AArch64Subtarget.cpp
===================================================================
--- lib/Target/AArch64/AArch64Subtarget.cpp
+++ lib/Target/AArch64/AArch64Subtarget.cpp
@@ -70,6 +70,10 @@
   case Kryo:
     MaxInterleaveFactor = 4;
     VectorInsertExtractBaseCost = 2;
+    CacheLineSize = 128;
+    PrefetchDistance = 740;
+    MinPrefetchStride = 1024;
+    MaxPrefetchIterationsAhead = 11;
     break;
   case Vulcan: break;
   case CortexA35: break;


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