[Bug tree-optimization/85115] Failure to (auto)vectorize sqrtf

rguenth at gcc dot gnu.org gcc-bugzilla@gcc.gnu.org
Thu Mar 29 08:32:00 GMT 2018


https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85115

Richard Biener <rguenth at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |RESOLVED
         Resolution|---                         |INVALID

--- Comment #1 from Richard Biener <rguenth at gcc dot gnu.org> ---
You need -fno-math-errno to vectorize this given we cannot vectorize the
side-effect of setting errno for negative inputs.


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