[Bug target/49244] __sync or __atomic builtins will not emit 'lock bts/btr/btc'

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=49244

Jakub Jelinek <jakub at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |ASSIGNED
           Assignee|unassigned at gcc dot gnu.org      |jakub at gcc dot gnu.org

--- Comment #11 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Created attachment 38379
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=38379&action=edit
gcc7-pr49244.patch

Untested fix.