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[PPC] Remove -ppc-loop-prefetch-distance in favor of -prefetch-distance

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After the previous change, this can now be overridden centrally in the
pass.

llvm-svn: 264807
This commit is contained in:
Adam Nemet 2016-03-29 23:45:56 +00:00
parent 352693be9b
commit 858430e4c1
1 changed files with 5 additions and 7 deletions
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12
lib/Target/PowerPC/PPCTargetTransformInfo.cpp
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@ -27,12 +27,6 @@ static cl::opt<unsigned>
CacheLineSize("ppc-loop-prefetch-cache-line", cl::Hidden, cl::init(64),
cl::desc("The loop prefetch cache line size"));
// This seems like a reasonable default for the BG/Q (this pass is enabled, by
// default, only on the BG/Q).
static cl::opt<unsigned>
PrefDist("ppc-loop-prefetch-distance", cl::Hidden, cl::init(300),
cl::desc("The loop prefetch distance"));
//===----------------------------------------------------------------------===//
//
// PPC cost model.
@ -249,7 +243,11 @@ unsigned PPCTTIImpl::getCacheLineSize() {
return CacheLineSize;
}
unsigned PPCTTIImpl::getPrefetchDistance() { return PrefDist; }
unsigned PPCTTIImpl::getPrefetchDistance() {
// This seems like a reasonable default for the BG/Q (this pass is enabled, by
// default, only on the BG/Q).
return 300;
}
unsigned PPCTTIImpl::getMaxInterleaveFactor(unsigned VF) {
unsigned Directive = ST->getDarwinDirective();