From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <gcc-bugzilla@gcc.gnu.org>
Received: by sourceware.org (Postfix, from userid 48)
	id 398203858C98; Thu,  4 Apr 2024 23:35:26 +0000 (GMT)
DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 398203858C98
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org;
	s=default; t=1712273726;
	bh=8rAoQUOP2iLSbSpgelou/PiG0a+1FxSmHLWgsS5uxZM=;
	h=From:To:Subject:Date:In-Reply-To:References:From;
	b=xZuvGiy4ky8xTfBSmHAbt+SbFHSucwqeY+7+gCjPOlJVU+cKoC8rHiZLBRLY5CbhE
	 71mE74GevjMAGHpWCLbYf1nsGa1JHtHpeBuGD9jWZ+M34j/HdOu/jq1Rfj9V49B+8n
	 FPYWpGZSHNGT3UJlF3B0BfyE0MqKlDynn8s1m8uY=
From: "absoler at smail dot nju.edu.cn" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug target/114595] rtl-expand emit redundant store for bitwise-and
 expression
Date: Thu, 04 Apr 2024 23:35:26 +0000
X-Bugzilla-Reason: CC
X-Bugzilla-Type: changed
X-Bugzilla-Watch-Reason: None
X-Bugzilla-Product: gcc
X-Bugzilla-Component: target
X-Bugzilla-Version: 13.2.0
X-Bugzilla-Keywords: 
X-Bugzilla-Severity: normal
X-Bugzilla-Who: absoler at smail dot nju.edu.cn
X-Bugzilla-Status: UNCONFIRMED
X-Bugzilla-Resolution: 
X-Bugzilla-Priority: P3
X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org
X-Bugzilla-Target-Milestone: ---
X-Bugzilla-Flags: 
X-Bugzilla-Changed-Fields: 
Message-ID: <bug-114595-4-b5wlrmwDLf@http.gcc.gnu.org/bugzilla/>
In-Reply-To: <bug-114595-4@http.gcc.gnu.org/bugzilla/>
References: <bug-114595-4@http.gcc.gnu.org/bugzilla/>
Content-Type: text/plain; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable
X-Bugzilla-URL: http://gcc.gnu.org/bugzilla/
Auto-Submitted: auto-generated
MIME-Version: 1.0
List-Id: <gcc-bugs.sourceware.org>

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D114595

--- Comment #1 from absoler at smail dot nju.edu.cn ---
gcc-4's result:
```
func_1():
        movl    g1(%rip), %eax
        andl    $1, %eax
        movb    %al, g2(%rip)
        movl    %eax, g3(%rip)
        ret
```=