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From: "gjl at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug rtl-optimization/90706] [10/11/12/13 Regression] Useless code
 generated for stack / register operations on AVR
Date: Sat, 04 Mar 2023 13:45:18 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D90706

Georg-Johann Lay <gjl at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
      Known to work|                            |8.5.0

--- Comment #19 from Georg-Johann Lay <gjl at gcc dot gnu.org> ---
(In reply to CVS Commits from comment #18)
> https://gcc.gnu.org/g:2639f9d2313664e6b4ed2f8131fefa60aeeb0518
>=20
> commit r13-6424-g2639f9d2313664e6b4ed2f8131fefa60aeeb0518
> Author: Vladimir N. Makarov <vmakarov@redhat.com>
> Date:   Thu Mar 2 16:29:05 2023 -0500
>=20
>     IRA: Use minimal cost for hard register movement

Thank you; the code looks clean now. (For my test case from comment #16 I
needed -fno-split wide-types which is a different story).

Is there any chance your fix will be back-ported?=