[Buildroot] [PATCH] package/gcc: backport fix for xtensa PR 91880

[Thomas Petazzoni]

On Thu, 26 Sep 2019 14:31:53 -0700
Max Filippov <jcmvbkbc at gmail.com> wrote:

> Xtensa hwloop_optimize segfaults when zero overhead loop is about to be
> inserted as the first instruction of the function.
> Insert zero overhead loop instruction into new basic block before the
> loop when basic block that precedes the loop is empty.
> 
> Signed-off-by: Max Filippov <jcmvbkbc at gmail.com>
> ---
>  .../7.4.0/1003-xtensa-fix-PR-target-91880.patch    | 49 ++++++++++++++++++++++
>  .../8.3.0/0002-xtensa-fix-PR-target-91880.patch    | 49 ++++++++++++++++++++++
>  .../9.2.0/0002-xtensa-fix-PR-target-91880.patch    | 49 ++++++++++++++++++++++
>  3 files changed, 147 insertions(+)
>  create mode 100644 package/gcc/7.4.0/1003-xtensa-fix-PR-target-91880.patch
>  create mode 100644 package/gcc/8.3.0/0002-xtensa-fix-PR-target-91880.patch
>  create mode 100644 package/gcc/9.2.0/0002-xtensa-fix-PR-target-91880.patch

Applied to master, thanks.

Thomas
-- 
Thomas Petazzoni, CTO, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com