diff options
Diffstat (limited to 'src/gallium/drivers/radeon/R600ISelLowering.cpp')
| -rw-r--r-- | src/gallium/drivers/radeon/R600ISelLowering.cpp | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/src/gallium/drivers/radeon/R600ISelLowering.cpp b/src/gallium/drivers/radeon/R600ISelLowering.cpp index 9c92498bfdc..844e071a066 100644 --- a/src/gallium/drivers/radeon/R600ISelLowering.cpp +++ b/src/gallium/drivers/radeon/R600ISelLowering.cpp @@ -31,6 +31,8 @@ R600TargetLowering::R600TargetLowering(TargetMachine &TM) : addRegisterClass(MVT::i32, &AMDGPU::R600_Reg32RegClass); computeRegisterProperties(); + setOperationAction(ISD::BR_CC, MVT::i32, Custom); + setOperationAction(ISD::FSUB, MVT::f32, Expand); setOperationAction(ISD::ROTL, MVT::i32, Custom); @@ -273,12 +275,39 @@ SDValue R600TargetLowering::LowerOperation(SDValue Op, SelectionDAG &DAG) const { switch (Op.getOpcode()) { default: return AMDGPUTargetLowering::LowerOperation(Op, DAG); + case ISD::BR_CC: return LowerBR_CC(Op, DAG); case ISD::ROTL: return LowerROTL(Op, DAG); case ISD::SELECT_CC: return LowerSELECT_CC(Op, DAG); case ISD::SETCC: return LowerSETCC(Op, DAG); } } +SDValue R600TargetLowering::LowerBR_CC(SDValue Op, SelectionDAG &DAG) const +{ + SDValue Chain = Op.getOperand(0); + SDValue CC = Op.getOperand(1); + SDValue LHS = Op.getOperand(2); + SDValue RHS = Op.getOperand(3); + SDValue JumpT = Op.getOperand(4); + SDValue CmpValue; + SDValue Result; + CmpValue = DAG.getNode( + ISD::SELECT_CC, + Op.getDebugLoc(), + MVT::i32, + LHS, RHS, + DAG.getConstant(-1, MVT::i32), + DAG.getConstant(0, MVT::i32), + CC); + Result = DAG.getNode( + AMDILISD::BRANCH_COND, + CmpValue.getDebugLoc(), + MVT::Other, Chain, + JumpT, CmpValue); + return Result; +} + + SDValue R600TargetLowering::LowerROTL(SDValue Op, SelectionDAG &DAG) const { DebugLoc DL = Op.getDebugLoc(); |