diff options
Diffstat (limited to 'lib/Target/PowerPC/PPCISelLowering.cpp')
| -rw-r--r-- | lib/Target/PowerPC/PPCISelLowering.cpp | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/lib/Target/PowerPC/PPCISelLowering.cpp b/lib/Target/PowerPC/PPCISelLowering.cpp index f0e8b11a3d9..26e9f13f9ff 100644 --- a/lib/Target/PowerPC/PPCISelLowering.cpp +++ b/lib/Target/PowerPC/PPCISelLowering.cpp @@ -12264,6 +12264,11 @@ SDValue PPCTargetLowering::PerformDAGCombine(SDNode *N, N->getOperand(1).getValueType() == MVT::i16 || (Subtarget.hasLDBRX() && Subtarget.isPPC64() && N->getOperand(1).getValueType() == MVT::i64))) { + // STBRX can only handle simple types. + EVT mVT = cast<StoreSDNode>(N)->getMemoryVT(); + if (mVT.isExtended()) + break; + SDValue BSwapOp = N->getOperand(1).getOperand(0); // Do an any-extend to 32-bits if this is a half-word input. if (BSwapOp.getValueType() == MVT::i16) @@ -12271,7 +12276,6 @@ SDValue PPCTargetLowering::PerformDAGCombine(SDNode *N, // If the type of BSWAP operand is wider than stored memory width // it need to be shifted to the right side before STBRX. - EVT mVT = cast<StoreSDNode>(N)->getMemoryVT(); if (Op1VT.bitsGT(mVT)) { int Shift = Op1VT.getSizeInBits() - mVT.getSizeInBits(); BSwapOp = DAG.getNode(ISD::SRL, dl, Op1VT, BSwapOp, |