[Falkor] Enable SW Prefetch.

SW prefetch is good for Falkor.

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

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@305199 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Haicheng Wu 2017-06-12 16:34:19 +00:00
parent 4923776ab2
commit e66f5f3fdd

View File

@ -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;