qiucf added a comment.
In D158066#4601785 <https://reviews.llvm.org/D158066#4601785>, @nemanjai wrote:
> It should be perfectly fine to provide pre-defined macros for these to match
> GCC on PowerPC. The reason we went with the macro solution is to avoid
> polluting the builtins namespace for other targets.
>
> Also, please add some C++ tests for these PPC wrappers so that we aren't
> surprised again when someone tries to use these in their C++ code.
It seems these macros do not always work for all PowerPC targets:
// -target=ppc64le -mcpu=power9 do not work
// -target=ppc64le-unknown-linux-gnu -mcpu=power9 work
long calldarn(void) { return __darn(); }
Repository:
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https://reviews.llvm.org/D158066/new/
https://reviews.llvm.org/D158066
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