This is the mail archive of the
gcc-patches@gcc.gnu.org
mailing list for the GCC project.
Re: [PATCH] fix target 58587, disable -mvsx-timode for now
- From: David Edelsohn <dje dot gcc at gmail dot com>
- To: Michael Meissner <meissner at linux dot vnet dot ibm dot com>, GCC Patches <gcc-patches at gcc dot gnu dot org>
- Date: Wed, 2 Oct 2013 19:55:28 -0400
- Subject: Re: [PATCH] fix target 58587, disable -mvsx-timode for now
- Authentication-results: sourceware.org; auth=none
- References: <20131002231526 dot GA21977 at ibm-tiger dot the-meissners dot org>
On Wed, Oct 2, 2013 at 7:15 PM, Michael Meissner
<meissner@linux.vnet.ibm.com> wrote:
> This patch disables -mvsx-timode from being set by default because of yet
> another problem with it (PR target 58587, cannot bootstrap with ada and
> --with-cpu=power7). I will need to address this in my later stage of secondary
> reload issues in order to support the ISA 2.07 128-bit integer arithmetic
> instructions that are not implemented yet.
>
> I have verified that this allows the compiler to be bootstrapped with the Ada
> language enabled with default power7 code generation. In addition, I have done
> a normal bootstrap build and encountered no regressions in the patch.
>
> Is this patch ok to install until the real solution is done?
>
> 2013-10-02 Michael Meissner <meissner@linux.vnet.ibm.com>
>
> PR target/58587
> * config/rs6000/rs6000-cpus.def (ISA_2_6_MASKS_SERVER): Turn off
> setting -mvsx-timode by default until the underlying problem is
> fixed.
> (RS6000_CPU, power7 defaults): Likewise.
Okay.
Thanks, David