Re: m68k bootstrapping broken

[Bernardo Innocenti <bernie at develer dot com>]

Andreas Schwab wrote:

> > Look at this change between stage2/mkdeps.o and
> > stage3/mkdeps.o:
> >
> > 00000000 <munge>:
> >    0:  4e56 0000       linkw %fp,#0
> >    4:  48e7 3020       moveml %d2-%d3/%a2,%sp@-
> > -   8:  242e 0008       movel %fp@(8),%d2
> > -   c:  2442            moveal %d2,%a2
> > +   8:  246e 0008       moveal %fp@(8),%a2
> > +   c:  240a            movel %a2,%d2
> >    e:  91c8            subal %a0,%a0
> >   10:  1012            moveb %a2@,%d0
> >   12:  6718            beqs 2c <munge+0x2c>
> >
> > Both versions are fine, but I wonder why a different
> > instruction pattern has been generated.
>
> I see such spurious differences from time to time on ia64 as well.  It
> looks like a generic problem.

You mean with a simple crosscompiler?  Then how shall we
interpret it?

I still can't compare intermediate dumps because my build
host is in the middle of another bootstrap :-(

--
 // Bernardo Innocenti - Develer S.r.l., R&D dept.
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