[Bug target/48986] Missed optimization in atomic decrement on x86/x64

[jakub at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48986

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|                            |FIXED

--- Comment #6 from Jakub Jelinek <jakub at gcc dot gnu.org> 2011-05-17 07:43:33 UTC ---
Fixed on the trunk, on the 4.6 branch just small improvement for
__sync_add_and_fetch (p, -1) == 0.