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From: Janis Johnson <janis187@us.ibm.com>
To: nobody@gcc.gnu.org
Cc: gcc-prs@gcc.gnu.org,
Subject: Re: optimization/5968: flow.c ICE compiling 254.gap on ia64 with -O2 -funroll-loops
Date: Thu, 14 Mar 2002 15:06:00 -0000 [thread overview]
Message-ID: <20020314230602.20256.qmail@sources.redhat.com> (raw)
The following reply was made to PR optimization/5968; it has been noted by GNATS.
From: Janis Johnson <janis187@us.ibm.com>
To: law@redhat.com
Cc: janis187@us.ibm.com, gcc-gnats@gcc.gnu.org
Subject: Re: optimization/5968: flow.c ICE compiling 254.gap on ia64 with -O2 -funroll-loops
Date: Thu, 14 Mar 2002 15:00:52 -0800
On Thu, Mar 14, 2002 at 03:44:08PM -0700, law@redhat.com wrote:
> In message <20020314222241.8465.qmail@sources.redhat.com>, janis187@us.ibm.com
> writes:
> >
> > >Number: 5968
> > >Category: optimization
> > >Synopsis: flow.c ICE compiling 254.gap on ia64 with -O2 -funroll-loop
> > s
> > >Class: ice-on-legal-code
> > >Submitter-Id: net
> > >Arrival-Date: Thu Mar 14 14:26:01 PST 2002
> > >Release: gcc version 3.1 20020314 (prerelease)
> > >Environment:
> > Itanium, Red Hat Linux release 7.1.94 (Roswell)
> > >Description:
> > GCC 3.1 prerelease gets an ICE compiling 254.gap from SPEC
> > CPU2000 with "-O2 -funroll-loops" on ia64-unknown-linux-gnu.
> > Compiler output is:
> >
> > bug.c: In function `f':
> > bug.c:49: Attempt to delete prologue/epilogue insn:
> > (insn 553 551 555 (set (reg:DI 333 ar.lc)
> > (reg:DI 34 r35)) -1 (nil)
> > (nil))
> > bug.c:49: Internal compiler error in propagate_one_insn, at flow.c:1573
> There's a reasonable chance this patch from Jakub will fix your problem.
> It was approved by Richard this afternoon.
>
> > PR optimization/5891
> > * unroll.c (copy_loop_body) [CALL_INSN]: Copy SIBLING_CALL_P flag.
I should have mentioned in the PR that although this appears to be the
same as the bug described in PR 5891, it occurs even with Jakub's fix
for 5891.
Janis
next reply other threads:[~2002-03-14 23:06 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-03-14 15:06 Janis Johnson [this message]
-- strict thread matches above, loose matches on Subject: below --
2002-03-18 15:38 jakub
2002-03-15 11:06 Janis Johnson
2002-03-15 5:44 jakub
2002-03-14 19:20 jakub
2002-03-14 14:46 law
2002-03-14 14:26 janis187
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