[llvm] [PowerPC] Expand FSINCOS of fp128 (PR #76494)

[Qiu Chaofan via llvm-commits]

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@@ -1176,6 +1176,7 @@ PPCTargetLowering::PPCTargetLowering(const PPCTargetMachine &TM,
       setTruncStoreAction(MVT::f128, MVT::f32, Expand);
 
       // No implementation for these ops for PowerPC.
+      setOperationAction(ISD::FSINCOS, MVT::f128, Expand);
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ecnelises wrote:

Yes, according to https://en.cppreference.com/w/c/numeric/math and nodes defined in ISDOpcodes.h. (they were already tested in f128-arith/round/fma.ll)

https://github.com/llvm/llvm-project/pull/76494