Re: limited register renaming at -O2

[Andreas Tobler <toa at pop dot agri dot ch>]

Hi Jan,

I think you forgot an @end table in invoke.texi. Unfortunately I don't
know where. Bootstrap is failing :-)

Andreas

Jan Hubicka wrote:
invoke.texi
> +
> + @table @gcctabopt
> + @item -fmessy-debugging
> + @opindex fmessy-debugging
> + Some optimizations can be stronger if compiler give up ability to generate
> + at least approximately usefull debug information for optimized programs.
> + These transformation are not done when @option{-g} switch is not specified,
> + as politics is to get the code with @option{-g} and without equivalent,
> + except for debugging section.
> +
> + This optimization enables such transformations.  It is still compatible with
> + @option{-g}, but debugging resulting programs will be even higher challenge.
> 
>   @table @gcctabopt
>   @item -fstrength-reduce