diff options
Diffstat (limited to 'llvm/lib/Target/PowerPC/PPCTargetTransformInfo.cpp')
| -rw-r--r-- | llvm/lib/Target/PowerPC/PPCTargetTransformInfo.cpp | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/llvm/lib/Target/PowerPC/PPCTargetTransformInfo.cpp b/llvm/lib/Target/PowerPC/PPCTargetTransformInfo.cpp index cd86dabd5ab..b60c07c3672 100644 --- a/llvm/lib/Target/PowerPC/PPCTargetTransformInfo.cpp +++ b/llvm/lib/Target/PowerPC/PPCTargetTransformInfo.cpp @@ -21,6 +21,12 @@ using namespace llvm; static cl::opt<bool> DisablePPCConstHoist("disable-ppc-constant-hoisting", cl::desc("disable constant hoisting on PPC"), cl::init(false), cl::Hidden); +// This is currently only used for the data prefetch pass which is only enabled +// for BG/Q by default. +static cl::opt<unsigned> +CacheLineSize("ppc-loop-prefetch-cache-line", cl::Hidden, cl::init(64), + cl::desc("The loop prefetch cache line size")); + //===----------------------------------------------------------------------===// // // PPC cost model. @@ -230,6 +236,12 @@ unsigned PPCTTIImpl::getRegisterBitWidth(bool Vector) { } +unsigned PPCTTIImpl::getCacheLineSize() { + // This is currently only used for the data prefetch pass which is only + // enabled for BG/Q by default. + return CacheLineSize; +} + unsigned PPCTTIImpl::getMaxInterleaveFactor(unsigned VF) { unsigned Directive = ST->getDarwinDirective(); // The 440 has no SIMD support, but floating-point instructions |
