[Mesa-dev] [PATCH 3/4] radeon/llvm: custom lowering for FP_TO_UINT when dst is i1 (bool)

[Tom Stellard]

On Tue, Sep 04, 2012 at 05:04:29PM +0200, Vincent Lejeune wrote:
> Conflicts:
> 	src/gallium/drivers/radeon/R600ISelLowering.cpp
> ---
>  src/gallium/drivers/radeon/R600ISelLowering.cpp | 20 ++++++++++++++++++++
>  src/gallium/drivers/radeon/R600ISelLowering.h   |  6 ++++--
>  2 files changed, 24 insertions(+), 2 deletions(-)
> 
> diff --git a/src/gallium/drivers/radeon/R600ISelLowering.cpp b/src/gallium/drivers/radeon/R600ISelLowering.cpp
> index 2bab51c..5296062 100644
> --- a/src/gallium/drivers/radeon/R600ISelLowering.cpp
> +++ b/src/gallium/drivers/radeon/R600ISelLowering.cpp
> @@ -48,6 +48,7 @@ R600TargetLowering::R600TargetLowering(TargetMachine &TM) :
>  
>    setOperationAction(ISD::SETCC, MVT::i32, Custom);
>    setOperationAction(ISD::SETCC, MVT::f32, Custom);
> +  setOperationAction(ISD::FP_TO_UINT, MVT::i1, Custom);
>    setSchedulingPreference(Sched::VLIW);
>  }
>  
> @@ -330,6 +331,25 @@ SDValue R600TargetLowering::LowerOperation(SDValue Op, SelectionDAG &DAG) const
>    return SDValue();
>  }
>  
> +void R600TargetLowering::ReplaceNodeResults(SDNode *N, SmallVectorImpl<SDValue> &Results, SelectionDAG &DAG) const

Wrap line at 80 characters.

> +{
> +  switch (N->getOpcode()) {
> +  default: return;
> +  case ISD::FP_TO_UINT: Results.push_back(LowerFPTOUINT(N->getOperand(0), DAG));
> +  }
> +}
> +
> +SDValue R600TargetLowering::LowerFPTOUINT(SDValue Op, SelectionDAG &DAG) const
> +{
> +  return DAG.getNode(
> +      ISD::SETCC,
> +      Op.getDebugLoc(),
> +      MVT::i1,
> +      Op, DAG.getConstantFP(0.0f, MVT::f32),
> +      DAG.getCondCode(ISD::SETNE)
> +      );
> +}
> +
>  SDValue R600TargetLowering::LowerBR_CC(SDValue Op, SelectionDAG &DAG) const
>  {
>    SDValue Chain = Op.getOperand(0);
> diff --git a/src/gallium/drivers/radeon/R600ISelLowering.h b/src/gallium/drivers/radeon/R600ISelLowering.h
> index 2eb7edd..49ea272 100644
> --- a/src/gallium/drivers/radeon/R600ISelLowering.h
> +++ b/src/gallium/drivers/radeon/R600ISelLowering.h
> @@ -27,7 +27,9 @@ public:
>    virtual MachineBasicBlock * EmitInstrWithCustomInserter(MachineInstr *MI,
>        MachineBasicBlock * BB) const;
>    virtual SDValue LowerOperation(SDValue Op, SelectionDAG &DAG) const;
> -
> +  void ReplaceNodeResults(SDNode * N,
> +      SmallVectorImpl<SDValue> &Results,
> +      SelectionDAG &DAG) const;
>  private:
>    const R600InstrInfo * TII;
>  
> @@ -48,7 +50,7 @@ private:
>  
>    SDValue LowerSELECT_CC(SDValue Op, SelectionDAG &DAG) const;
>    SDValue LowerSETCC(SDValue Op, SelectionDAG &DAG) const;
> -
> +  SDValue LowerFPTOUINT(SDValue Op, SelectionDAG &DAG) const;
>  };
>  
>  } // End namespace llvm;
> -- 
> 1.7.11.4
> 
> _______________________________________________
> mesa-dev mailing list
> mesa-dev at lists.freedesktop.org
> http://lists.freedesktop.org/mailman/listinfo/mesa-dev