[all-commits] [llvm/llvm-project] 64510c: [PPC] Implement BCD assist builtins (#101390)

[Lei Huang via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 64510c1411aff754e1b92659987846aba3a14d53
      https://github.com/llvm/llvm-project/commit/64510c1411aff754e1b92659987846aba3a14d53
  Author: Lei Huang <lei at ca.ibm.com>
  Date:   2024-08-07 (Wed, 07 Aug 2024)

  Changed paths:
    M clang/include/clang/Basic/BuiltinsPPC.def
    M clang/lib/Basic/Targets/PPC.cpp
    M clang/lib/Sema/SemaPPC.cpp
    A clang/test/CodeGen/PowerPC/builtins-bcd-assist.c
    A clang/test/CodeGen/PowerPC/builtins-ppc-bcd-assist.c
    M llvm/include/llvm/IR/IntrinsicsPowerPC.td
    M llvm/lib/Target/PowerPC/PPCInstr64Bit.td
    M llvm/lib/Target/PowerPC/PPCInstrInfo.td
    A llvm/test/CodeGen/PowerPC/builtins-bcd-assist.ll
    A llvm/test/CodeGen/PowerPC/builtins-ppc-bcd-assist.ll

  Log Message:
  -----------
  [PPC] Implement BCD assist builtins (#101390)

Implement BCD assist builtins for XL and GCC compatibility.

GCC compat:
```
unsigned int __builtin_cdtbcd (unsigned int);
unsigned int __builtin_cbcdtd (unsigned int);
unsigned int __builtin_addg6s (unsigned int, unsigned int);
```

64BIT XL compat:
```
long long __cdtbcd (long long); 
long long __cbcdtd (long long); 
long long __addg6s (long long source1, long long source2)
```



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