Merging Graphite to trunk

[Joseph S. Myers]

On Thu, 30 Jul 2009, Jack Howarth wrote:

> Sebastian,
>    Do you intend to have the graphite flags enabled by default at -O2
> for gcc 4.5? If so would that be limited to -fgraphite-identity or 
> would it include any of the other graphite loop optimization flags?

Options requiring special libraries that are not mandatory for building 
GCC cannot be enabled by default at any -O option (only at options that 
give an error if GCC was built without those libraries), and there is no 
consensus so far for making those libraries mandatory.

-- 
Joseph S. Myers
joseph@codesourcery.com