[Bug tree-optimization/62041] vector fneg codegen uses a subtract instead of an xor (x86-64)

[glisse at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=62041

Marc Glisse <glisse at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
          Component|rtl-optimization            |tree-optimization

--- Comment #5 from Marc Glisse <glisse at gcc dot gnu.org> ---
Patch posted
https://gcc.gnu.org/ml/gcc-patches/2019-06/msg00503.html