[clang] [llvm] [PowerPC] Support for Packed BCD conversion builtins (PR #142723)

[Lei Huang via cfe-commits]

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@@ -567,6 +567,12 @@ TARGET_BUILTIN(__builtin_altivec_vextsh2w, "V4SiV8Ss", "", "power9-vector")
 TARGET_BUILTIN(__builtin_altivec_vextsh2d, "V2SLLiV8Ss", "", "power9-vector")
 TARGET_BUILTIN(__builtin_altivec_vextsw2d, "V2SLLiV4Si", "", "power9-vector")
 
+// P9 Binary-coded decimal (BCD) builtins.                                                
+TARGET_BUILTIN(__builtin_ppc_national2packed, "V16UcV16UcUc", "t", "power9-vector")
+TARGET_BUILTIN(__builtin_ppc_packed2national, "V16UcV16Uc", "", "power9-vector")
+TARGET_BUILTIN(__builtin_ppc_packed2zoned, "V16UcV16UcUc", "t", "power9-vector")
+TARGET_BUILTIN(__builtin_ppc_zoned2packed, "V16UcV16UcUc", "t", "power9-vector")
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lei137 wrote:

nit: can we move these to just below `// P8 BCD builtins.` so that we have all the bcd builtin def together?

https://github.com/llvm/llvm-project/pull/142723