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From: "hjl.tools at gmail dot com" <gcc-bugzilla@gcc.gnu.org>
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Subject: [Bug c/98161] [11 Regression] Incorrect stack realignment on
 __force_align_arg_pointer__ with -msse4 by r11-446
Date: Sun, 06 Dec 2020 17:41:54 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D98161

H.J. Lu <hjl.tools at gmail dot com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|[11 Regression] Incorrect   |[11 Regression] Incorrect
                   |stack realignment on        |stack realignment on
                   |__force_align_arg_pointer__ |__force_align_arg_pointer__
                   |+-mavx                      |with -msse4 by r11-446
   Target Milestone|---                         |11.0
                 CC|                            |crazylht at gmail dot com,
                   |                            |hjl.tools at gmail dot com,
                   |                            |wwwhhhyyy333 at gmail dot =
com
             Status|UNCONFIRMED                 |NEW
   Last reconfirmed|                            |2020-12-06
     Ever confirmed|0                           |1

--- Comment #1 from H.J. Lu <hjl.tools at gmail dot com> ---
It is triggered by r11-446. -m32 -msse2 -O2 is OK.  But -m32 -msse4 -O2 is
not.  Hongyu, can you take a look?=