From 927411b7ce0b7852fe4f392d8cd4faaa3881f852 Mon Sep 17 00:00:00 2001 From: Anton Korobeynikov Date: Sun, 14 Mar 2010 18:42:24 +0000 Subject: Make default expansion for FP16 <-> FP32 nodes into libcalls git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98501 91177308-0d34-0410-b5e6-96231b3b80d8 --- lib/CodeGen/SelectionDAG/LegalizeDAG.cpp | 8 ++++++++ 1 file changed, 8 insertions(+) (limited to 'lib/CodeGen/SelectionDAG/LegalizeDAG.cpp') diff --git a/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp b/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp index a3175e8..b5af2c1 100644 --- a/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp +++ b/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp @@ -851,6 +851,8 @@ SDValue SelectionDAGLegalize::LegalizeOp(SDValue Op) { case ISD::MERGE_VALUES: case ISD::EH_RETURN: case ISD::FRAME_TO_ARGS_OFFSET: + case ISD::FP16_TO_FP32: + case ISD::FP32_TO_FP16: // These operations lie about being legal: when they claim to be legal, // they should actually be expanded. Action = TLI.getOperationAction(Node->getOpcode(), Node->getValueType(0)); @@ -2636,6 +2638,12 @@ void SelectionDAGLegalize::ExpandNode(SDNode *Node, Results.push_back(ExpandFPLibCall(Node, RTLIB::REM_F32, RTLIB::REM_F64, RTLIB::REM_F80, RTLIB::REM_PPCF128)); break; + case ISD::FP16_TO_FP32: + Results.push_back(ExpandLibCall(RTLIB::FPEXT_F16_F32, Node, false)); + break; + case ISD::FP32_TO_FP16: + Results.push_back(ExpandLibCall(RTLIB::FPROUND_F32_F16, Node, false)); + break; case ISD::ConstantFP: { ConstantFPSDNode *CFP = cast(Node); // Check to see if this FP immediate is already legal. -- cgit v1.1