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Re: purge_addressof bootstrap failure (was fix opt/8634)
- From: Zdenek Dvorak <rakdver at atrey dot karlin dot mff dot cuni dot cz>
- To: Janis Johnson <janis187 at us dot ibm dot com>
- Cc: David Edelsohn <dje at watson dot ibm dot com>,Richard Henderson <rth at redhat dot com>, gcc-patches at gcc dot gnu dot org,gcc at gcc dot gnu dot org
- Date: Wed, 9 Apr 2003 21:10:06 +0200
- Subject: Re: purge_addressof bootstrap failure (was fix opt/8634)
- References: <20030407214230.GN9659@redhat.com> <200304091452.KAA15154@makai.watson.ibm.com> <20030409083407.A1308@us.ibm.com>
Hello,
> > The follow-up patch
> >
> > * function.c (postponed_insns): New.
> > (purge_addressof_1): Postpone processing of insns if addressofs
> > are not put into stack.
> > (purge_addressof): Process postponed insns.
> >
> > introduced a bootstrap failure on AIX:
> >
> > /gcc/dje/build/powerpc-ibm-aix4.3.3.0-20030408/powerpc-ibm-aix4.3.3.0/pthread/libstdc++-v3/include/bits/istream.tcc: In
> > function `std::basic_istream<_CharT, _Traits>&
> > std::operator>>(std::basic_istream<_CharT, _Traits>&,
> > std::basic_string<_CharT, _Traits, _Alloc>&) [with _CharT = char, _Traits =
> > std::char_traits<char>, _Alloc = std::allocator<char>]':
> > /gcc/dje/src/libstdc++-v3/src/misc-inst.cc:47: instantiated from here
> > /gcc/dje/build/powerpc-ibm-aix4.3.3.0-20030408/powerpc-ibm-aix4.3.3.0/pthread/libstdc++-v3/include/bits/istream.tcc:1137: internal compiler error: RTL
> > flag check: CONST_OR_PURE_CALL_P used with unexpected rtx code `insn_list'
> > in sched_analyze, at sched-deps.c:1274
>
> I see the same thing on powerpc-unknown-linux-gnu and
> powerpc64-unknown-linux-gnu.
it could be seen everywhere :-( I have fixed it already.
Zdenek