================
@@ -2839,6 +2845,57 @@ static SDValue
LowerClusterLaunchControlQueryCancel(SDValue Op,
{TryCancelResponse0, TryCancelResponse1});
}
+static SDValue lowerCvtRSIntrinsics(SDValue Op, SelectionDAG &DAG) {
+ SDNode *N = Op.getNode();
+ SDLoc DL(N);
+ SDValue F32Vec = N->getOperand(1);
+ SDValue RBits = N->getOperand(2);
+
+ unsigned IntrinsicID = N->getConstantOperandVal(0);
+
+ uint32_t CvtModeFlag = NVPTX::PTXCvtMode::CvtMode::RS;
+
+ // Extract the 4 float elements from the vector
+ SmallVector<SDValue, 6> Ops;
+ for (unsigned i = 0; i < 4; ++i) {
+ Ops.push_back(DAG.getNode(ISD::EXTRACT_VECTOR_ELT, DL, MVT::f32, F32Vec,
+ DAG.getIntPtrConstant(i, DL)));
+ }
+
+ auto OpSignature =
+ [&]() -> std::pair<NVPTXISD::NodeType, MVT::SimpleValueType> {
+ switch (IntrinsicID) {
+ case Intrinsic::nvvm_f32x4_to_e4m3x4_rs_relu_satfinite:
+ CvtModeFlag |= NVPTX::PTXCvtMode::CvtMode::RELU_FLAG;
+ case Intrinsic::nvvm_f32x4_to_e4m3x4_rs_satfinite:
+ return {NVPTXISD::CVT_E4M3X4_F32X4_RS_SF, MVT::v4i8};
----------------
durga4github wrote:
optional:
I wonder if we can do something better instead of the fall-through case.
May be, return a tuple of 3 items {opcode, MVT, Flag}.
https://github.com/llvm/llvm-project/pull/160494
_______________________________________________
cfe-commits mailing list
[email protected]
https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
