RFC: #pragma optimization_level

[Joe Buck]

On Sat, Apr 02, 2005 at 08:29:48PM +0200, Gerald Pfeifer wrote:
> On Fri, 1 Apr 2005, Joe Buck wrote:
> > Unfortunately, where there is a good argument for not using empty loops
> > as busy-waits, at one time it was documented GCC behavior that it would
> > work, so we can't really blame the users for trusting the doc.
> 
> However, it's really a looong time since we clarified that:
> 
>   Mon Dec 28 19:26:32 1998  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>
> 
>         * gcc.texi (Non-bugs): ``Empty'' loops will be optimized away in
>         the future; indeed that already happens in some cases.

You forget that I am as old as the hills. :-)