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[Bug rtl-optimization/25569] [4.2 Regression] FAIL: gfortran.dg/g77/20010610.f -O3 -fomit-frame-pointer -funroll-loops
- From: "law at redhat dot com" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 13 Mar 2006 21:45:56 -0000
- Subject: [Bug rtl-optimization/25569] [4.2 Regression] FAIL: gfortran.dg/g77/20010610.f -O3 -fomit-frame-pointer -funroll-loops
- References: <bug-25569-276@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #9 from law at redhat dot com 2006-03-13 21:45 -------
Subject: Re: [4.2 Regression] FAIL:
gfortran.dg/g77/20010610.f -O3 -fomit-frame-pointer -funroll-loops
On Mon, 2006-03-13 at 21:31 +0000, dave at hiauly1 dot hia dot nrc dot
ca wrote:
>
> ------- Comment #8 from dave at hiauly1 dot hia dot nrc dot ca 2006-03-13 21:30 -------
> Subject: Re: [4.2 Regression] FAIL: gfortran.dg/g77/20010610.f -O3
> -fomit-frame-pointer -funroll-loops
>
> > > r108425 | law | 2005-12-12 19:59:16 +0000 (Mon, 12 Dec 2005)
> > What I suspect is going on here is that we've got a latent
> > bug in the RTL IV code. The patches referenced above merely
> > expose instances of that underlying latent bug.
>
> We have the following IV bug still open on the PA:
> http://gcc.gnu.org/bugzilla/show_bug.cgi?id=26244
Thanks. I doubt the problems in 26244 and 25569 are related.
26244 is a code generation error apparently related to loop
invariant code motion, 25569 is an ICE due to unrolling.
Jeff
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=25569