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| author | Matt Arsenault <Matthew.Arsenault@amd.com> | 2014-06-18 22:03:45 +0000 |
|---|---|---|
| committer | Matt Arsenault <Matthew.Arsenault@amd.com> | 2014-06-18 22:03:45 +0000 |
| commit | ce09bda96ee00a1024952faf85e3fa01e0d6bc72 (patch) | |
| tree | f631281d32aa381a52ff1664d69520f82b566ce6 /lib | |
| parent | f286d63757ae5d16f8211227a435e6ad4faa2c35 (diff) | |
| download | llvm-ce09bda96ee00a1024952faf85e3fa01e0d6bc72.tar.gz llvm-ce09bda96ee00a1024952faf85e3fa01e0d6bc72.tar.bz2 llvm-ce09bda96ee00a1024952faf85e3fa01e0d6bc72.tar.xz | |
R600: Handle fnearbyint
The difference from rint isn't really relevant here,
so treat them as equivalent. OpenCL doesn't have nearbyint,
so this is sort of pointless other than for completeness.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211229 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/Target/R600/AMDGPUISelLowering.cpp | 12 | ||||
| -rw-r--r-- | lib/Target/R600/AMDGPUISelLowering.h | 1 |
2 files changed, 13 insertions, 0 deletions
diff --git a/lib/Target/R600/AMDGPUISelLowering.cpp b/lib/Target/R600/AMDGPUISelLowering.cpp index 45f1083904..fd24af0624 100644 --- a/lib/Target/R600/AMDGPUISelLowering.cpp +++ b/lib/Target/R600/AMDGPUISelLowering.cpp @@ -325,6 +325,7 @@ AMDGPUTargetLowering::AMDGPUTargetLowering(TargetMachine &TM) : setOperationAction(ISD::FTRUNC, VT, Expand); setOperationAction(ISD::FMUL, VT, Expand); setOperationAction(ISD::FRINT, VT, Expand); + setOperationAction(ISD::FNEARBYINT, VT, Expand); setOperationAction(ISD::FSQRT, VT, Expand); setOperationAction(ISD::FSIN, VT, Expand); setOperationAction(ISD::FSUB, VT, Expand); @@ -334,6 +335,9 @@ AMDGPUTargetLowering::AMDGPUTargetLowering(TargetMachine &TM) : setOperationAction(ISD::FCOPYSIGN, VT, Expand); } + setOperationAction(ISD::FNEARBYINT, MVT::f32, Custom); + setOperationAction(ISD::FNEARBYINT, MVT::f64, Custom); + setTargetDAGCombine(ISD::MUL); setTargetDAGCombine(ISD::SELECT_CC); @@ -501,6 +505,7 @@ SDValue AMDGPUTargetLowering::LowerOperation(SDValue Op, case ISD::FCEIL: return LowerFCEIL(Op, DAG); case ISD::FTRUNC: return LowerFTRUNC(Op, DAG); case ISD::FRINT: return LowerFRINT(Op, DAG); + case ISD::FNEARBYINT: return LowerFNEARBYINT(Op, DAG); case ISD::FFLOOR: return LowerFFLOOR(Op, DAG); case ISD::UINT_TO_FP: return LowerUINT_TO_FP(Op, DAG); @@ -1683,6 +1688,13 @@ SDValue AMDGPUTargetLowering::LowerFRINT(SDValue Op, SelectionDAG &DAG) const { return DAG.getSelect(SL, MVT::f64, Cond, Src, Tmp2); } +SDValue AMDGPUTargetLowering::LowerFNEARBYINT(SDValue Op, SelectionDAG &DAG) const { + // FNEARBYINT and FRINT are the same, except in their handling of FP + // exceptions. Those aren't really meaningful for us, and OpenCL only has + // rint, so just treat them as equivalent. + return DAG.getNode(ISD::FRINT, SDLoc(Op), Op.getValueType(), Op.getOperand(0)); +} + SDValue AMDGPUTargetLowering::LowerFFLOOR(SDValue Op, SelectionDAG &DAG) const { SDLoc SL(Op); SDValue Src = Op.getOperand(0); diff --git a/lib/Target/R600/AMDGPUISelLowering.h b/lib/Target/R600/AMDGPUISelLowering.h index 5be3070f58..b2bb2579dc 100644 --- a/lib/Target/R600/AMDGPUISelLowering.h +++ b/lib/Target/R600/AMDGPUISelLowering.h @@ -54,6 +54,7 @@ private: SDValue LowerFCEIL(SDValue Op, SelectionDAG &DAG) const; SDValue LowerFTRUNC(SDValue Op, SelectionDAG &DAG) const; SDValue LowerFRINT(SDValue Op, SelectionDAG &DAG) const; + SDValue LowerFNEARBYINT(SDValue Op, SelectionDAG &DAG) const; SDValue LowerFFLOOR(SDValue Op, SelectionDAG &DAG) const; SDValue LowerUINT_TO_FP(SDValue Op, SelectionDAG &DAG) const; |