diff options
| -rw-r--r-- | lib/Target/X86/X86ISelLowering.cpp | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/lib/Target/X86/X86ISelLowering.cpp b/lib/Target/X86/X86ISelLowering.cpp index c0001c0f97..5835ae33ae 100644 --- a/lib/Target/X86/X86ISelLowering.cpp +++ b/lib/Target/X86/X86ISelLowering.cpp @@ -600,6 +600,9 @@ X86TargetLowering::X86TargetLowering(TargetMachine &TM) // Custom lower build_vector, vector_shuffle, and extract_vector_elt. for (unsigned VT = (unsigned)MVT::v16i8; VT != (unsigned)MVT::v2i64; VT++) { + // Do not attempt to custom lower non-power-of-2 vectors + if (!isPowerOf2_32(MVT::getVectorNumElements(VT))) + continue; setOperationAction(ISD::BUILD_VECTOR, (MVT::ValueType)VT, Custom); setOperationAction(ISD::VECTOR_SHUFFLE, (MVT::ValueType)VT, Custom); setOperationAction(ISD::EXTRACT_VECTOR_ELT, (MVT::ValueType)VT, Custom); |