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From: "ro at CeBiTec dot Uni-Bielefeld.DE" <gcc-bugzilla@gcc.gnu.org>
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Subject: [Bug target/102772] [12 regression] g++.dg/torture/pr80334.C FAILs
Date: Fri, 15 Oct 2021 14:29:03 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D102772

--- Comment #4 from ro at CeBiTec dot Uni-Bielefeld.DE <ro at CeBiTec dot U=
ni-Bielefeld.DE> ---
> --- Comment #3 from H.J. Lu <hjl.tools at gmail dot com> ---
> The stack isn't properly realigned.  Please find out which commit caused =
this.

Sure: a reghunt identified

commit 29f0e955c97da002b5adb4e8c9dfd2ea9709e207
Author: H.J. Lu <hjl.tools@gmail.com>
Date:   Mon Aug 2 10:01:46 2021 -0700

    x86: Update piecewise move and store=