[PATCH] D34084: [Falkor] Enable SW Prefetch.

[Haicheng Wu via Phabricator via llvm-commits]

haicheng created this revision.
Herald added a subscriber: javed.absar.

SW prefetch is good for Falkor.


Repository:
  rL LLVM

https://reviews.llvm.org/D34084

Files:
  lib/Target/AArch64/AArch64Subtarget.cpp


Index: lib/Target/AArch64/AArch64Subtarget.cpp
===================================================================
--- lib/Target/AArch64/AArch64Subtarget.cpp
+++ lib/Target/AArch64/AArch64Subtarget.cpp
@@ -92,6 +92,10 @@
     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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