Request for testing/help for the LTO branch

[Chris Lattner]

On Jan 27, 2009, at 1:11 PM, Diego Novillo wrote:

> The LTO branch is starting to get some semblance of stability, though
> is by no means in any kind of mergeable state.  I have updated the
> wiki page to reflect the current status (Simon, Rafael, Doug, Cary,
> please make sure I haven't missed anything substantial):
>
> http://gcc.gnu.org/wiki/LinkTimeOptimization

Hi Diego,

Thanks for the summary, it's great to see the progress of the  
project.  Do you have any compile time numbers for LTO so far?  If you  
pick a mid-sided program from spec or even a bootstrap, how much  
slower is LTO than compiling at -O3?

-Chris