On May  5, 2022, Alexandre Oliva <ol...@adacore.com> wrote:

> for  gcc/ChangeLog

>       PR target/100106
>       * emit-rtl.cc (validate_subreg): Reject a SUBREG of a MEM that
>       requires stricter alignment than MEM's.

> for  gcc/testsuite/ChangeLog

>       PR target/100106
>       * gcc.target/powerpc/pr100106-sa.c: New.

Ping?
https://gcc.gnu.org/pipermail/gcc-patches/2022-May/594166.html

The testcase variant was approved, but the reformatted patch is still
pending review, despite support from Vlad Makarov for the original one;
the suggested separate followup patch, mentioned in the linked email,
turned out to be far more involved than anticipated, and needs further
work, but it's independent from this self-contained fix.

-- 
Alexandre Oliva, happy hacker                https://FSFLA.org/blogs/lxo/
   Free Software Activist                       GNU Toolchain Engineer
Disinformation flourishes because many people care deeply about injustice
but very few check the facts.  Ask me about <https://stallmansupport.org>

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