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Hi all, I am submitting the following RFC [1] to re-implement -fveclib via OpenMP constructs. The RFC was discussed during a round table at the last LLVM developer meeting, and presented during the BoF [2]. The proposal is published on Phabricator, for the purpose of keeping track of the comments, and it now ready for a review from a wider audience after being polished by Hal Finkel and Hideki

...or the libraries themselves. If they have both headers and objects, keeping all together into one directory is enough. > Option behavior, and interaction with OpenMP > -------------------------------------------- > > `-fveclib=X` > > : The driver transform this into > `-fparse-veclib -D__CLANG_ENABLE_LIBRARY_X=1 -lX`. This is used only > for users that want to vectorize `math.h` functions. Why not just include the header when you use it, instead of include and guard for all cases? > `-fopenmp[-simd]` > > : No vectorization happens other then for those...