On Mon, Feb 25, 2019 at 06:15:31PM +0100, Peter Zijlstra wrote: > Also, I think at the time we didn't use it because backporting efforts.
This part may have been my fault. I spread a vicious rumor (based on reading docs instead of code) that old versions of GCC don't support '%='. But it's actually been around since GCC 2.8. -- Josh
