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Re: Linux/ia64 failed to bootstrap
- From: Rainer Orth <ro at TechFak dot Uni-Bielefeld dot DE>
- To: Rainer Orth <ro at TechFak dot Uni-Bielefeld dot DE>
- Cc: "H. J. Lu" <hjl at lucon dot org>, gcc at gcc dot gnu dot org, Richard Sandiford <rsandifo at redhat dot com>, Eric Botcazou <ebotcazou at libertysurf dot fr>
- Date: 27 Jun 2003 15:46:41 +0200
- Subject: Re: Linux/ia64 failed to bootstrap
- References: <20030626215107.GA26454@lucon.org> <yddu1acpkak.fsf@xayide.TechFak.Uni-Bielefeld.DE>
Rainer Orth <ro@techfak.uni-bielefeld.de> writes:
> "H. J. Lu" <hjl@lucon.org> writes:
>
> > Today's mainline failed to bootstrap on Linux/ia64. Stage1 compiler
> > is pretty much broken. All generated .c files are different. Has
> > anyone else seen it?
>
> I'm getting a bootstrap failure on alpha-dec-osf5.1: insn-attrtab.c is
> different between stages.
Richard Sandiford pointed out in private mail that this patch
2003-06-18 Eric Botcazou <ebotcazou@libertysurf.fr>
PR optimization/11210
* fold-const (decode_field_reference): Strip only NOPs
that don't affect the sign.
http://gcc.gnu.org/ml/gcc-patches/2003-06/msg02094.html
is likely the culprit. Reverting it allowed me to continue bootstrap on
alpha-dec-osf5.1: the insn-attrtab.c differences between stages vanished.
Rainer
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Rainer Orth, Faculty of Technology, Bielefeld University