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From: "rguenth at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug target/94567] [10 Regression] wrong code at -O2 and -O3 on
 x86_64-linux-gnu
Date: Tue, 14 Apr 2020 11:48:01 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D94567

--- Comment #4 from Richard Biener <rguenth at gcc dot gnu.org> ---
Wonder if the simplest thing is to turn the zero_extract into a zero_extend
so we can maintain the and in SImode.  And whether combine will ever
generate a zero_extract that extracts the SImode MSB.=