diff options
Diffstat (limited to 'llvm/lib/Target/PowerPC')
| -rw-r--r-- | llvm/lib/Target/PowerPC/PPCTargetTransformInfo.cpp | 4 | 
1 files changed, 4 insertions, 0 deletions
| diff --git a/llvm/lib/Target/PowerPC/PPCTargetTransformInfo.cpp b/llvm/lib/Target/PowerPC/PPCTargetTransformInfo.cpp index f94d1eab097..2f1bceaa481 100644 --- a/llvm/lib/Target/PowerPC/PPCTargetTransformInfo.cpp +++ b/llvm/lib/Target/PowerPC/PPCTargetTransformInfo.cpp @@ -401,6 +401,10 @@ int PPCTTIImpl::getMemoryOpCost(unsigned Opcode, Type *Src, unsigned Alignment,    if (IsVSXType || (ST->hasVSX() && IsAltivecType))      return Cost; +  // Newer PPC supports unaligned memory access. +  if (TLI->allowsMisalignedMemoryAccesses(LT.second, 0)) +    return Cost; +    // PPC in general does not support unaligned loads and stores. They'll need    // to be decomposed based on the alignment factor. | 

