[gfortran] Make all labels DECL_ARTIFICIAL

[Steven Bosscher]

On Tuesday 21 December 2004 00:10, Paul Brook wrote:
> On Monday 20 December 2004 21:23, Steven Bosscher wrote:
> > There is absolutely nothing we gain from making Fortran's numeric
> > labels user labels (gdb can't put break points on them), and they
> > for some reason hurt performance.  So the attached patch just all
> > marks them as compiler-generated.  Thoughts?
>
> It'd be nice if we could figure out what "some reason" was, and/or why gdb
> won't set breakpoints on these labels. Last time I brought this up I was
> told that user labels should not effect the optimizers. IMHO labels should
> not affect code quality, and this is an optimizer bug.
>
> Marking them as artificial seems a reasonbale short term workaround.

I've looked at gdb for a while, but don't see how it should be
done.  So for now I've just commited the patch[1], with the typo
fixed that Steve noticed.

Gr.
Steven

http://gcc.gnu.org/ml/fortran/2004-12/msg00196.html