================
@@ -711,6 +711,13 @@ SystemZTargetLowering::SystemZTargetLowering(const
TargetMachine &TM,
setOperationAction(ISD::BITCAST, MVT::f32, Custom);
}
+ // Expand FP16 <=> FP32 conversions to libcalls and handle FP16 loads and
+ // stores in GPRs.
+ setOperationAction(ISD::FP16_TO_FP, MVT::f32, Expand);
+ setOperationAction(ISD::FP_TO_FP16, MVT::f32, Expand);
+ setLoadExtAction(ISD::EXTLOAD, MVT::f32, MVT::f16, Expand);
+ setTruncStoreAction(MVT::f32, MVT::f16, Expand);
----------------
uweigand wrote:
Do we need to support *both* the conversion operations *and* the
truncate/extend?
https://github.com/llvm/llvm-project/pull/109164
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