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Re: [RFC: Patch, PR 60102] [4.9/4.10 Regression] powerpc fp-bit ices at dwf_regno
- From: "Ulrich Weigand" <uweigand at de dot ibm dot com>
- To: rohitarulraj at freescale dot com
- Cc: macro at codesourcery dot com (Maciej W. Rozycki), edmar at freescale dot com (Edmar Wienskoski), dje dot gcc at gmail dot com (David Edelsohn), gcc-patches at gcc dot gnu dot org (gcc-patches at gcc dot gnu dot org), amodra at gmail dot com (Alan Modra), jakub at redhat dot com (Jakub Jelinek)
- Date: Thu, 9 Oct 2014 15:36:56 +0200 (CEST)
- Subject: Re: [RFC: Patch, PR 60102] [4.9/4.10 Regression] powerpc fp-bit ices at dwf_regno
- Authentication-results: sourceware.org; auth=none
rohitarulraj wrote:
> > -----Original Message-----
> > From: Maciej W. Rozycki [mailto:macro@codesourcery.com]
> > To: Ulrich Weigand
> > Cc: Dharmakan Rohit-B30502; Wienskoski Edmar-RA8797; David Edelsohn; gcc-
> > patches@gcc.gnu.org; Alan Modra; Jakub Jelinek
> > Subject: Re: [RFC: Patch, PR 60102] [4.9/4.10 Regression] powerpc fp-bit
> > ices@dwf_regno
> [snip]
> > >
> > > Rohit, could you verify whether this fixes the SPE problem?
> >=20
> > Thanks for your work, I have applied your change to my 4.9 setup, rebuil=
> t the
> > compiler and smoke-tested it with gdb.base/store.exp and my e500v2 multil=
> ib
> > only; powerpc-linux-gnu target. Unfortunately your patch hasn't changed
> > anything, the same failures remain.
> >=20
> > Just to be sure I haven't missed anything I reverted your change and Roh=
> it's
> > one as well, rebuilt the compiler and rerun this testing and this time al=
> l failures
> > were gone. So it looks like your fix didn't completely cover the damage =
> Rohit's
> > change caused. :(
>
> Ulrich/Maciej,
>
> The patch works for me.
> Tested with GCC v4.9 branch rev 216036 and GCC trunk rev 216027.
Thanks for testing! Can you work with Maciej to find out why he's
seeing different results?
Bye,
Ulrich
--
Dr. Ulrich Weigand
GNU/Linux compilers and toolchain
Ulrich.Weigand@de.ibm.com