From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id C70A33858C60; Thu, 21 Mar 2024 08:43:06 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org C70A33858C60 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1711010586; bh=Gc9ynOyXTXMdPX7nI5k0kQA8Tzr1iQH4uvcV5yExE1U=; h=From:To:Subject:Date:In-Reply-To:References:From; b=rjpi3CSAnnFD9sdFqEpMLXcH4jPNT+3hrYKevqFaerZ5JMr7q78J3FrjexClXT6pg mDfad4UkwqrlXp89GG7YlOVVCk1pArnS91patiyQQyi87pK023MV+Q2q10axR+ecQr fEIAmgRzVy8V74bIprOyeCTjB9b/Ia7jclwZRSWg= From: "pinskia at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug rtl-optimization/92080] Missed CSE of _mm512_set1_epi8(c) with _mm256_set1_epi8(c) Date: Thu, 21 Mar 2024 08:43:05 +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: 10.0 X-Bugzilla-Keywords: missed-optimization X-Bugzilla-Severity: enhancement X-Bugzilla-Who: pinskia at gcc dot gnu.org X-Bugzilla-Status: NEW 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: In-Reply-To: References: 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: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D92080 --- Comment #11 from Andrew Pinski --- (In reply to Richard Biener from comment #6) > Similar when vectorizing >=20 > int a[4096]; >=20 > void foo () > { > for (int i =3D 1; i < 4095; ++i) > a[i] =3D 42; > } This was actually reported by me in PR 99639 but for aarch64.=