[cfe-dev] Does #pragma FENV_ACCESS apply to cpu-specific builtins?

[Kevin Neal via cfe-dev]

I'm working on support for clang emitting the new experimental builtins when #pragma STDC FENV_ACCESS ON is enabled. I mostly care about C code currently.

I notice that there are calls to Builder.CreateFAdd() in some of the Neon specific builtins in CGBuiltin.cpp. Does that pragma apply to host-specific, CPU-specific, OS-specific, whatever-specific cases? What's the rule?

--
Kevin P. Neal
SAS/C and SAS/C++ Compiler
Host Research and Development
SAS Institute, Inc.




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