REGRESSION in 3.2.1-pre on mips-irix6 (and elsewhere) compiling execute/20011219-1.c

[Franz Sirl]

On Thursday 14 November 2002 21:26, Jan Hubicka wrote:
> > >  > From: Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
> > >  >
> > >  > >ChangeLog
> > >  > >
> > >  > >       * flow.c(life_analysis): Update LABEL_NUSES before purging
> > >  > >       dead jumptables.
> > >  >
> > >  > This patch has no effect on powerpc-linux-gnu, both testcases still
> > >  > fail in the same way.
> > >  > Franz.
> > >
> > > That's unfortunate, since on mips-irix6.5 the patch passed 3-stage
> > > bootstrap & testsuite with no regressions.
> >
> > OK, To not let you to fix everything, I wil take a look at the PPC then.
>
> Survived PPC bootstrap.
> I would bet we do ahve function to recognize tablejumps but apparently
> we don't...
>
> Thu Nov 14 13:23:58 MST 2002  JAn Hubicka  <jh@suse.cz>
> 	* jump.c (tablejump_p): New.
> 	* cfgcleanup.c (try_optimize_cfg): Do not merge blocks across tablejump.
> 	* rtl.h (tablejump_p): Declare.

Yes, this patch works fine, thanks. I just checked and it also fixes c++/8592 
on i686-linux-gnu.

Franz.