This is the mail archive of the
gcc-patches@gcc.gnu.org
mailing list for the GCC project.
Re: [PATCH] Fix PR target/70669 (allow __float128 to use direct move)
- 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: Thu, 14 Apr 2016 19:07:16 -0400
- Subject: Re: [PATCH] Fix PR target/70669 (allow __float128 to use direct move)
- Authentication-results: sourceware.org; auth=none
- References: <20160414224317 dot GA6649 at ibm-tiger dot the-meissners dot org>
On Thu, Apr 14, 2016 at 6:43 PM, Michael Meissner
<meissner@linux.vnet.ibm.com> wrote:
> When adding the basic __float128 support, I forgot to enable direct move
> support for moving __float128 between VSX registers and GPR registers.
>
> This patch enables using direct move for __float128 variables on Power8
> systems. I bootstrapped the compiler and found no regressions with this
> patch. Is it ok to apply to the GCC trunk?
>
> [gcc]
> 2016-04-14 Michael Meissner <meissner@linux.vnet.ibm.com>
>
> PR target/70669
> * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add
> direct move handlers for KFmode. Change TFmode handlers test from
> FLOAT128_IEEE_P to FLOAT128_VECTOR_P.
>
> [gcc/testsuite]
> 2016-04-14 Michael Meissner <meissner@linux.vnet.ibm.com>
>
> PR target/70669
> * gcc.target/powerpc/pr70669.c: New test.
Okay.
Thanks, David