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Re: g++ 2.95.2 on powerpc
- To: Franz Sirl <Franz dot Sirl-kernel at lauterbach dot com>
- Subject: Re: g++ 2.95.2 on powerpc
- From: Geoff Keating <geoffk at geoffk dot org>
- Date: 13 Nov 2000 13:12:38 -0800
- CC: gcc-patches at gcc dot gnu dot org
- References: <4vk8hlufrn.fsf@darbujan.fzu.cz> <jmg0s8flt3.fsf@envy.cygnus.com> <00111321565300.02383@enzo.bigblue.local>
Franz Sirl <Franz.Sirl-kernel@lauterbach.com> writes:
> On Thursday 27 April 2000 02:07, Geoff Keating wrote:
> > Anyway, I will check in a modified version of the testcase as
> > gcc.c-torture/execute/loop-5.c, since obviously this code doesn't get
> > tickled enough.
> >
> > 2000-04-26 Geoff Keating <geoffk@cygnus.com>
> >
> > * loop.c (basic_induction_var): If a REG is set from something
> > that is not a biv, then the REG is not a biv. Even if it is
> > earlier set from something that is a biv.
>
> Geoff,
>
> Bernd noticed me that I accidentally committed this patch with my checkin of
>
> 2000-09-29 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
>
> * loop.c (check_final_value): A GIV is not replaceable if used
> before set.
>
> Any reason why your patch was never committed? Do we still need it? If the
> patch is still OK, I'll just add your ChangeLog entry, otherwise I will
> revert my accidental checkin.
Since loop-5 seemed to pass before, I think the patch may not be
needed. There was substantial work fixing things like this recently.
If you happen to know that the patch does fix a bug, then leave it in;
otherwise take it out.
--
- Geoffrey Keating <geoffk@geoffk.org>