ICE in find_reloads

[Jan Hubicka]

> On Sat, 24 Mar 2001, Philipp Thomas wrote:
> 
> > Bernd,
> >
> > CVS gcc as of two days ago failed with an ICE while trying to compile
> > XFree86 4.0.3. All the additional compiler flags don't matter, it's only -O2
> > that triggers it. Any idea what could cause this? Compressed source is
> > attached.
> 
> > In file included from pl_util.c:49:
> > PEXlibint.h:864: warning: function declaration isn't a prototype
> > pl_util.c: In function `PEXMapXCToNPC':
> > pl_util.c:2381: Unable to generate reloads for:
> > (insn 782 783 868 (set (reg:SF 1 edx [233])
> >         (float_truncate:SF (reg/v:DF 61))) 137 {truncdfsf2_3} (nil)
> >     (expr_list:REG_DEAD (reg/v:DF 61)
> >         (nil)))
> > pl_util.c:2381: Internal compiler error in find_reloads, at reload.c:3486
> 
> I haven't tried debugging it.  From the ChangeLogs, this one seems to be the
> most likely candidate:
Just trying to look at it...

Honza
> 
> Thu Mar 22 22:15:59 CET 2001  Jan Hubicka  <jh@suse.cz>
> 
>         (trunc?f?f splitters): Add 64bit versions.
> 
> Bernd