diff options
Diffstat (limited to 'llvm')
| -rw-r--r-- | llvm/lib/Target/PowerPC/PPCISelDAGToDAG.cpp | 28 |
1 files changed, 17 insertions, 11 deletions
diff --git a/llvm/lib/Target/PowerPC/PPCISelDAGToDAG.cpp b/llvm/lib/Target/PowerPC/PPCISelDAGToDAG.cpp index 08d86388b94..1790e0ca909 100644 --- a/llvm/lib/Target/PowerPC/PPCISelDAGToDAG.cpp +++ b/llvm/lib/Target/PowerPC/PPCISelDAGToDAG.cpp @@ -1087,17 +1087,23 @@ SDOperand PPC32DAGToDAGISel::Select(SDOperand Op) { SDOperand CCReg = SelectCC(Select(N->getOperand(0)), Select(N->getOperand(1)), CC); SDOperand IntCR; - if (TLI.getTargetMachine().getSubtarget<PPCSubtarget>().isGigaProcessor()) { - IntCR = CurDAG->getTargetNode(PPC::MFOCRF, MVT::i32, CCReg); - } else { - assert(0 && "Not imp yet!"); - // FIXME: HOW DO WE DO THIS?? -#if 0 - //SDOperand CR7Op = CurDAG->getCopyToReg(); - BuildMI(BB, PPC::MCRF, 1, PPC::CR7).addReg(CCReg); - BuildMI(BB, PPC::MFCR, 0, IntCR); -#endif - } + + // Force the ccreg into CR7. + SDOperand CR7Reg = CurDAG->getRegister(PPC::CR7, MVT::i32); + + std::vector<MVT::ValueType> VTs; + VTs.push_back(MVT::Other); + VTs.push_back(MVT::Flag); // NONSTANDARD CopyToReg node: defines a flag + std::vector<SDOperand> Ops; + Ops.push_back(CurDAG->getEntryNode()); + Ops.push_back(CR7Reg); + Ops.push_back(CCReg); + CCReg = CurDAG->getNode(ISD::CopyToReg, VTs, Ops).getValue(1); + + if (TLI.getTargetMachine().getSubtarget<PPCSubtarget>().isGigaProcessor()) + IntCR = CurDAG->getTargetNode(PPC::MFOCRF, MVT::i32, CR7Reg, CCReg); + else + IntCR = CurDAG->getTargetNode(PPC::MFCR, MVT::i32, CCReg); if (!Inv) { CurDAG->SelectNodeTo(N, MVT::i32, PPC::RLWINM, IntCR, |
