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[Bug bootstrap/48161] [4.6 regression] hppa*-*-* will not bootstrap on 4.6 branch with release checking
- From: "rguenth at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Thu, 17 Mar 2011 15:37:27 +0000
- Subject: [Bug bootstrap/48161] [4.6 regression] hppa*-*-* will not bootstrap on 4.6 branch with release checking
- Auto-submitted: auto-generated
- References: <bug-48161-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48161
--- Comment #10 from Richard Guenther <rguenth at gcc dot gnu.org> 2011-03-17 15:37:24 UTC ---
(In reply to comment #9)
> Ah, it isn't any difference between --enable-checking=release and
> --enable-checking=yes behavior of cc1, but instead just that haifa-sched.i is
> different.
>
> We are expanding
> D.2070_29 = &MEM[(struct V *)0B].v[D.2034_30]{lb: 0 sz: 12};
> and expand that as (plus (const_int 0) (reg)).
Which doesn't sound wrong ;) Maybe simplification doesn't deal properly
with pointer constants? Well ... on RTL we can't distinguish pointer
constants from non-pointer constants ...