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[Falkor] Enable SW Prefetch.
ClosedPublic

Authored by haicheng on Jun 10 2017, 2:58 PM.

Reviewers

mcrosier
gberry

Commits

Summary

SW prefetch is good for Falkor.

LGTM, Haicheng.

In the future, it's not necessary to post patches that only impact our target. These type of changes can be reviewed internally.

This revision is now accepted and ready to land.Jun 12 2017, 6:32 AM

This revision was automatically updated to reflect the committed changes.

Path

Size

llvm/

trunk/

lib/

Target/

AArch64/

4 lines

Show First 20 Lines • Show All 86 Lines • ▼ Show 20 Lines	case ExynosM1:
MaxJumpTableSize = 8;		MaxJumpTableSize = 8;
PrefFunctionAlignment = 4;		PrefFunctionAlignment = 4;
PrefLoopAlignment = 3;		PrefLoopAlignment = 3;
break;		break;
case Falkor:		case Falkor:
MaxInterleaveFactor = 4;		MaxInterleaveFactor = 4;
// FIXME: remove this to enable 64-bit SLP if performance looks good.		// FIXME: remove this to enable 64-bit SLP if performance looks good.
MinVectorRegisterBitWidth = 128;		MinVectorRegisterBitWidth = 128;
		CacheLineSize = 128;
		PrefetchDistance = 820;
		MinPrefetchStride = 2048;
		MaxPrefetchIterationsAhead = 8;
break;		break;
case Kryo:		case Kryo:
MaxInterleaveFactor = 4;		MaxInterleaveFactor = 4;
VectorInsertExtractBaseCost = 2;		VectorInsertExtractBaseCost = 2;
CacheLineSize = 128;		CacheLineSize = 128;
PrefetchDistance = 740;		PrefetchDistance = 740;
MinPrefetchStride = 1024;		MinPrefetchStride = 1024;
MaxPrefetchIterationsAhead = 11;		MaxPrefetchIterationsAhead = 11;
▲ Show 20 Lines • Show All 193 Lines • Show Last 20 Lines