[PATCH] D53928: Enable builtins necessary for SLEEF [AArch64] vectorized trigonometry libm functions

[Stefan Teleman via Phabricator via cfe-commits]

steleman updated this revision to Diff 172638.
steleman added a comment.

- changed the -fveclib=<X> argument value to 'sleefgnuabi'.
- added atan2 and pow.
- spreadsheet with comparison between libm and sleef is here:

https://docs.google.com/spreadsheets/d/1lcpESCnuzEoTl_XHBqE9FLL0tXJB_tZGR8yciCx1yjg/edit?usp=sharing

- comprehensive test case in C with timings is here:

https://drive.google.com/open?id=1PGKRUdL29_ANoYebOo3Q59syhKp_mNSj


https://reviews.llvm.org/D53928

Files:
  include/clang/Basic/Builtins.def
  include/clang/Driver/Options.td
  include/clang/Frontend/CodeGenOptions.h
  lib/CodeGen/BackendUtil.cpp
  lib/CodeGen/CGBuiltin.cpp
  lib/Frontend/CompilerInvocation.cpp

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