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From: "pinskia at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug tree-optimization/114787] [14 Regression] wrong code at -O1 on
 x86_64-linux-gnu (the generated code hangs)
Date: Sat, 20 Apr 2024 23:03:31 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D114787

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
          Component|target                      |tree-optimization

--- Comment #3 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
(In reply to Andrew Pinski from comment #2)
> The first difference besides prediction/counts on the BB is in the regist=
er
> allocator.
>=20
> The code for aarch64 looks ok too.

So I was wrong (and now even more confused than before). In that sometimes =
even
GCC 13.2.0 code generation is broken. But I don't understand what the
conditions are which cause it (adding -fdump-tree-optimized-all or something
like that seems to cause different code generation).=