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From: "rguenth at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug tree-optimization/114660] Exponentiating by squaring not
 performed for x * y * y * y * y
Date: Wed, 10 Apr 2024 06:28:25 +0000
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X-Bugzilla-Product: gcc
X-Bugzilla-Component: tree-optimization
X-Bugzilla-Version: 14.0
X-Bugzilla-Keywords: missed-optimization
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D114660

--- Comment #5 from Richard Biener <rguenth at gcc dot gnu.org> ---
For the case in question when x is zero then y can be INT_MAX and thus y * y
already overflow. But x * y * y * y * y * y could be associated as
(x * y) * (y^4).=