release mode optimization

[David Nadlinger]

On Thursday, 10 January 2013 at 00:40:21 UTC, Jonathan M Davis 
wrote:
> So clearly, dmd does _not_ optimize out the loop. I have no 
> idea what
> gdc and ldc do though.

Wow, DMD doesn't optimize it away indeed, just confirmed that by 
a look at the assembly.

LDC does delete the loop though, starting at -O1, and I can't 
imagine that GDC wouldn't as well.

David