From ad3453cf2d235b8fdbbef92be4951ca29c0a2521 Mon Sep 17 00:00:00 2001 From: Bruno Cardoso Lopes Date: Tue, 9 Aug 2011 05:48:01 +0000 Subject: Handle sitofp between v4f64 <- v4i32. Fix PR10559 llvm-svn: 137114 --- llvm/lib/Target/X86/X86ISelLowering.cpp | 22 +++++++++++++++++++++- 1 file changed, 21 insertions(+), 1 deletion(-) (limited to 'llvm/lib/Target/X86/X86ISelLowering.cpp') diff --git a/llvm/lib/Target/X86/X86ISelLowering.cpp b/llvm/lib/Target/X86/X86ISelLowering.cpp index 71b23e2ccb0..b8197edb2b1 100644 --- a/llvm/lib/Target/X86/X86ISelLowering.cpp +++ b/llvm/lib/Target/X86/X86ISelLowering.cpp @@ -969,6 +969,9 @@ X86TargetLowering::X86TargetLowering(X86TargetMachine &TM) setOperationAction(ISD::SINT_TO_FP, MVT::v8i32, Legal); setOperationAction(ISD::FP_ROUND, MVT::v4f32, Legal); + // sint_to_fp between different vector types needs custom handling + setOperationAction(ISD::SINT_TO_FP, MVT::v4i32, Custom); + setOperationAction(ISD::CONCAT_VECTORS, MVT::v4f64, Custom); setOperationAction(ISD::CONCAT_VECTORS, MVT::v4i64, Custom); setOperationAction(ISD::CONCAT_VECTORS, MVT::v8f32, Custom); @@ -7078,6 +7081,24 @@ SDValue X86TargetLowering::LowerShiftParts(SDValue Op, SelectionDAG &DAG) const SDValue X86TargetLowering::LowerSINT_TO_FP(SDValue Op, SelectionDAG &DAG) const { EVT SrcVT = Op.getOperand(0).getValueType(); + EVT DstVT = Op.getValueType(); + DebugLoc dl = Op.getDebugLoc(); + + if (SrcVT.isVector() && DstVT.isVector()) { + unsigned SrcVTSize = SrcVT.getSizeInBits(); + unsigned DstVTSize = DstVT.getSizeInBits(); + + // Support directly by the target + if (SrcVTSize == DstVTSize) + return Op; + + // Handle v4f64 = sitofp v4i32 + if (DstVT != MVT::v4f64 && SrcVT != MVT::v4i32) + return SDValue(); + + SDValue V = DAG.getNode(ISD::SINT_TO_FP, dl, MVT::v4f32, Op.getOperand(0)); + return DAG.getNode(ISD::FP_EXTEND, dl, DstVT, V); + } if (SrcVT.isVector()) return SDValue(); @@ -7094,7 +7115,6 @@ SDValue X86TargetLowering::LowerSINT_TO_FP(SDValue Op, return Op; } - DebugLoc dl = Op.getDebugLoc(); unsigned Size = SrcVT.getSizeInBits()/8; MachineFunction &MF = DAG.getMachineFunction(); int SSFI = MF.getFrameInfo()->CreateStackObject(Size, Size, false); -- cgit v1.2.3