[clang] [llvm] [PowerPC] Add BCDCOPYSIGN and BCDSETSIGN Instruction Support (PR #144874)

[Aditi Medhane via cfe-commits]

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@@ -580,6 +580,8 @@ TARGET_BUILTIN(__builtin_ppc_bcdsub_p, "iiV16UcV16Uc", "",
                "isa-v207-instructions")
 
 // P9 Binary-coded decimal (BCD) builtins.                                     
           
+TARGET_BUILTIN(__builtin_ppc_bcdcopysign, "V16UcV16UcV16Uc", "", 
"power9-vector")
+TARGET_BUILTIN(__builtin_ppc_bcdsetsign, "V16UcV16UcUc", "t", "power9-vector")
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AditiRM wrote:

Will implement this in the next NFC patch as discussed.

https://github.com/llvm/llvm-project/pull/144874
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