On Wed, Jun 29, 2011 at 2:58 AM, Fang, Changpeng <changpeng.f...@amd.com> wrote:
> Attached are two patches in gcc 4.7 trunk that we request to backport to 4.6
> branch.
> There are all related to -mvzerupper
>
> 1)
> 0001-Save-the-initial-options-after-checking-vzeroupper.patch
> This patch fixes bug 47315, ICE: in extract_insn, at recog.c:2109
> (unrecognizable insn) with -mvzeroupper and __attribute__((target("avx")))
>
> The patch was committed to trunk: 2011-05-23 H.J. Lu <hongjiu...@intel.com>
>
> The bug still exists in gcc 4.6.1. Backporting this patches would fix it.
>
> 2).
> 0001--config-i386-i386.c-ix86_reorg-Run-move_or_dele.patch
> This patch Run move_or_delete_vzeroupper first, and was committed to trunk:
> 2011-05-04 Uros Bizjak <ubiz...@gmail.com>
>
>
> Is It OK to commit to 4.6 branch?
This is OK for the branch.
Thanks,
Uros.
