[PATCH] D52392: [X86] For lzcnt/tzcnt intrinsics use cttz/ctlz intrinsics with zero_undef flag set to false.

Simon Pilgrim via Phabricator via cfe-commits cfe-commits at lists.llvm.org
Sun Sep 23 05:56:38 PDT 2018


RKSimon added a comment.

Are there other targets that would benefit from this and if so should we provide a more generic intrinsic?


Repository:
  rC Clang

https://reviews.llvm.org/D52392





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