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Re: bb-reorder crashes on potential-fall-through computed jumps


On Feb  7, 2001, Richard Henderson <rth@redhat.com> wrote:

> On Wed, Feb 07, 2001 at 10:16:05AM -0200, Alexandre Oliva wrote:
>> * jump.c (any_cond_computed_jump_p): New.
>> * bb-reorder.c (fixup_reorder_chain): Don't crash on
>> conditional computed jumps.

> Err, I dunno.  I'd think you'd need changes elsewhere to
> make that work.  flow.c in particular.

> I'm interested to know where how these things might be
> generated.  Certainly the generic bits wouldn't create them.

That unfinished experiment with a target without branches to labels
that I mentioned some time ago.

It certainly need additional development to work correctly, but I
thought this might be useful for anyone who might want to pick it from
where I left.

-- 
Alexandre Oliva   Enjoy Guarana', see http://www.ic.unicamp.br/~oliva/
Red Hat GCC Developer                  aoliva@{cygnus.com, redhat.com}
CS PhD student at IC-Unicamp        oliva@{lsd.ic.unicamp.br, gnu.org}
Free Software Evangelist    *Please* write to mailing lists, not to me

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