erichkeane added inline comments.
================ Comment at: clang/docs/UsersManual.rst:1393 + + Allow substitution of approximate calculations for functions. + Defaults to ``-fno-approx-func``. ---------------- masoud.ataei wrote: > erichkeane wrote: > > This seems pretty incomplete to me, I have no idea what it does from this > > description. Can you elaborate? > If I didn't miss to say it is about math function calls, then I guess it > would be more clear. > ``` > Allow substitution of approximate calculations for math function calls. > ``` > This option just adds `afn` fast-math flag to the function calls and in > backend the math function call can be replaced by an approximate calculation > (either another math function call or not). > https://llvm.org/docs/LangRef.html#fast-math-flags allow substitution of approximate calculations for math function with what? I'm not clear as to what this does still. I'm not sure that I get what the 'afn' documentation means there either. Typically we'd want the clang frontend flags to be more accurate/descriptive than the LLVM-IR documentation. Repository: rG LLVM Github Monorepo CHANGES SINCE LAST ACTION https://reviews.llvm.org/D106191/new/ https://reviews.llvm.org/D106191 _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
