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[X86] Add custom operation actions for f16: FABS, FNEG, and FCOPYSIGN #128877

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Merged
merged 2 commits into from
Feb 27, 2025
Merged

[X86] Add custom operation actions for f16: FABS, FNEG, and FCOPYSIGN #128877

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a3aaae0
[X86] Add custom operation actions for f16: FABS, FNEG, and FCOPYSIGN
StarOne01 Feb 26, 2025
fb5dafe
[X86] Update fp16 libcall tests to use vectorized operations for fcop…
StarOne01 Feb 26, 2025
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3 changes: 3 additions & 0 deletions llvm/lib/Target/X86/X86ISelLowering.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -701,6 +701,9 @@ X86TargetLowering::X86TargetLowering(const X86TargetMachine &TM,
setOperationAction(ISD::FSUB, MVT::f16, Promote);
setOperationAction(ISD::FMUL, MVT::f16, Promote);
setOperationAction(ISD::FDIV, MVT::f16, Promote);
setOperationAction(ISD::FABS, MVT::f16, Custom);
setOperationAction(ISD::FNEG, MVT::f16, Custom);
setOperationAction(ISD::FCOPYSIGN, MVT::f16, Custom);
setOperationAction(ISD::FP_ROUND, MVT::f16, Custom);
setOperationAction(ISD::FP_EXTEND, MVT::f32, Custom);
setOperationAction(ISD::FP_EXTEND, MVT::f64, Custom);
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