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From: "rguenth at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug rtl-optimization/115351] [14/15 regression] pointless movs when
 passing by value on x86-64
Date: Wed, 05 Jun 2024 07:10:36 +0000
X-Bugzilla-Reason: CC
X-Bugzilla-Type: changed
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X-Bugzilla-Product: gcc
X-Bugzilla-Component: rtl-optimization
X-Bugzilla-Version: 14.1.0
X-Bugzilla-Keywords: missed-optimization, needs-bisection
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D115351

Richard Biener <rguenth at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Target|                            |x86_64-*-*
            Summary|[14 regression] pointless   |[14/15 regression]
                   |movs when passing by value  |pointless movs when passing
                   |on x86-64                   |by value on x86-64
   Target Milestone|---                         |14.2
     Ever confirmed|0                           |1
             Status|UNCONFIRMED                 |NEW
   Last reconfirmed|                            |2024-06-05
          Component|c++                         |rtl-optimization
           Keywords|                            |missed-optimization,
                   |                            |needs-bisection

--- Comment #1 from Richard Biener <rguenth at gcc dot gnu.org> ---
Confirmed.  The IL we expand from is the same.=