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From: "pinskia at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug target/114211] [13/14 Regression] wrong code with -O
 -fno-tree-coalesce-vars
Date: Sat, 02 Mar 2024 20:59:35 +0000
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X-Bugzilla-Type: changed
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X-Bugzilla-Product: gcc
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X-Bugzilla-Version: 14.0
X-Bugzilla-Keywords: wrong-code
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X-Bugzilla-Target-Milestone: 13.3
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D114211

Andrew Pinski <pinskia at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
   Last reconfirmed|                            |2024-03-02
   Target Milestone|---                         |13.3
          Component|middle-end                  |target
             Status|UNCONFIRMED                 |NEW
     Ever confirmed|0                           |1

--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
The difference with/without -fno-tree-coalesce-vars is just the expansion f=
rom
gimple to RTL does not reuse psedu-registers for variables which could have
been coalesced.=