Re: [PATCH, rs6000] Backport some swap optimization improvements

2017-05-05 Thread Segher Boessenkool
Hi! On Thu, Apr 28, 2016 at 08:28:55PM -0500, Bill Schmidt wrote: > The lack of certain swap optimizations added in GCC 6 has shown up as a > performance issue in some customer code, where the customer is unable to > move off of GCC 5. To accommodate this, I would like to backport these > changes

[PATCH, rs6000] Backport some swap optimization improvements

2016-04-28 Thread Bill Schmidt
Hi, The lack of certain swap optimizations added in GCC 6 has shown up as a performance issue in some customer code, where the customer is unable to move off of GCC 5. To accommodate this, I would like to backport these changes to GCC 5. They have all been burned in on trunk for many months. Th