On Tue, Apr 10, 2018 at 02:07:32PM +0200, Thomas Gleixner wrote: > On Tue, 10 Apr 2018, Peter Zijlstra wrote: > > Do you have any actual evidence for that? Is there a compiler stupid > > enough to generate code to convert a bool to a 1bit value? > > Sure, if you do: > > > > > > > > + bool tick_stopped : 1; > > which is stupidly allowed by the standard....
The code-gen changes are because of the layout change, not because of the type change.
