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[Falkor] Enable SW Prefetch.

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SW prefetch is good for Falkor.

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

llvm-svn: 305199
This commit is contained in:
Haicheng Wu 2017-06-12 16:34:19 +00:00
parent f10fa09f6f
commit 20d2f0ba58
1 changed files with 4 additions and 0 deletions
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4
lib/Target/AArch64/AArch64Subtarget.cpp
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@ -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;