diff options
Diffstat (limited to 'llvm/lib/Target/X86/X86ISelDAGToDAG.cpp')
| -rw-r--r-- | llvm/lib/Target/X86/X86ISelDAGToDAG.cpp | 15 |
1 files changed, 8 insertions, 7 deletions
diff --git a/llvm/lib/Target/X86/X86ISelDAGToDAG.cpp b/llvm/lib/Target/X86/X86ISelDAGToDAG.cpp index 846c23f0a09..cb823837785 100644 --- a/llvm/lib/Target/X86/X86ISelDAGToDAG.cpp +++ b/llvm/lib/Target/X86/X86ISelDAGToDAG.cpp @@ -1867,27 +1867,28 @@ SDNode *X86DAGToDAGISel::Select(SDValue N) { } } - unsigned LoReg, HiReg; + unsigned LoReg, HiReg, ClrReg; unsigned ClrOpcode, SExtOpcode; + EVT ClrVT = NVT; switch (NVT.getSimpleVT().SimpleTy) { default: llvm_unreachable("Unsupported VT!"); case MVT::i8: - LoReg = X86::AL; HiReg = X86::AH; + LoReg = X86::AL; ClrReg = HiReg = X86::AH; ClrOpcode = 0; SExtOpcode = X86::CBW; break; case MVT::i16: LoReg = X86::AX; HiReg = X86::DX; - ClrOpcode = X86::MOV16r0; + ClrOpcode = X86::MOV32r0; ClrReg = X86::EDX; ClrVT = MVT::i32; SExtOpcode = X86::CWD; break; case MVT::i32: - LoReg = X86::EAX; HiReg = X86::EDX; + LoReg = X86::EAX; ClrReg = HiReg = X86::EDX; ClrOpcode = X86::MOV32r0; SExtOpcode = X86::CDQ; break; case MVT::i64: - LoReg = X86::RAX; HiReg = X86::RDX; + LoReg = X86::RAX; ClrReg = HiReg = X86::RDX; ClrOpcode = ~0U; // NOT USED. SExtOpcode = X86::CQO; break; @@ -1942,10 +1943,10 @@ SDNode *X86DAGToDAGISel::Select(SDValue N) { MVT::i64, Zero, ClrNode, SubRegNo), 0); } else { - ClrNode = SDValue(CurDAG->getMachineNode(ClrOpcode, dl, NVT), 0); + ClrNode = SDValue(CurDAG->getMachineNode(ClrOpcode, dl, ClrVT), 0); } - InFlag = CurDAG->getCopyToReg(CurDAG->getEntryNode(), dl, HiReg, + InFlag = CurDAG->getCopyToReg(CurDAG->getEntryNode(), dl, ClrReg, ClrNode, InFlag).getValue(1); } } |
