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 252EC3858C60; Sat,  8 Jul 2023 14:07:58 +0000 (GMT)
DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 252EC3858C60
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org;
	s=default; t=1688825278;
	bh=HlbAIXQed8XEOx/h3pEjtbEc4CSH2tDMEDKmH4JuS2U=;
	h=From:To:Subject:Date:In-Reply-To:References:From;
	b=O03z3jftH04snSxQw0nSAwfkOl3L1mAMkp9rtzjuAHkpMyuTyMbFEqbXzft3pew/2
	 8YzG0/ymFH27oojkL6ArfGuPRwQ4YyEqJIbztc5RG3QijXAyV5JHyi3MplsTRhFSAb
	 Ug9vhE31sn0/7BECFBcoiaNvbYXMBVcGdRrlT/xM=
From: "ubizjak at gmail dot com" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug rtl-optimization/110206] [14 Regression] wrong code with -Os
 -march=cascadelake since r14-1246
Date: Sat, 08 Jul 2023 14:07:57 +0000
X-Bugzilla-Reason: CC
X-Bugzilla-Type: changed
X-Bugzilla-Watch-Reason: None
X-Bugzilla-Product: gcc
X-Bugzilla-Component: rtl-optimization
X-Bugzilla-Version: 14.0
X-Bugzilla-Keywords: needs-bisection, wrong-code
X-Bugzilla-Severity: normal
X-Bugzilla-Who: ubizjak at gmail dot com
X-Bugzilla-Status: NEW
X-Bugzilla-Resolution: 
X-Bugzilla-Priority: P1
X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org
X-Bugzilla-Target-Milestone: 14.0
X-Bugzilla-Flags: 
X-Bugzilla-Changed-Fields: 
Message-ID: <bug-110206-4-1ChUp8KizU@http.gcc.gnu.org/bugzilla/>
In-Reply-To: <bug-110206-4@http.gcc.gnu.org/bugzilla/>
References: <bug-110206-4@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=3D110206

--- Comment #8 from Uro=C5=A1 Bizjak <ubizjak at gmail dot com> ---
The testcase needs __attribute__((noinline)) to supress unwanted constant
propagation with recent gcc.

void
__attribute__((noinline))
foo (U u, u16 c, V *r)
...=