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Re: REGRESSION in 3.2.1-pre on mips-irix6 (and elsewhere) compiling execute/20011219-1.c
- From: Franz Sirl <Franz dot Sirl-kernel at lauterbach dot com>
- To: Jan Hubicka <jh at suse dot cz>
- Cc: "Kaveh R. Ghazi" <ghazi at caip dot rutgers dot edu>,graham dot stott at btinternet dot com,David dot Billinghurst at riotinto dot com,gcc-bugs at gcc dot gnu dot org,gcc at gcc dot gnu dot org,mark at codesourcery dot com
- Date: Sat, 16 Nov 2002 01:14:47 +0100
- Subject: Re: REGRESSION in 3.2.1-pre on mips-irix6 (and elsewhere) compiling execute/20011219-1.c
- References: <200211130711.CAA03837@caip.rutgers.edu> <20021114180951.GC2786@kam.mff.cuni.cz> <20021114202606.GI2786@kam.mff.cuni.cz>
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.