From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id 8D9F53858C36; Tue, 27 Feb 2024 08:28:05 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 8D9F53858C36 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1709022485; bh=qEW/zU1O9SIwYxj6c44icJ9NYbjhArVyM81ZfIjMJ1U=; h=From:To:Subject:Date:In-Reply-To:References:From; b=PabqWHZf8mbCAS3pRRBui9WRKuj4CAek+rlDbxqJ7xPGfn6kbcq0m0sAx21engvAc cSmt7jJw3aREtgNOyGLMckHpEbCdoWTnvhcfangMqSNbTmK+XC+VPWEYZep9yYYY4o blWKIDazgJZz+d6Vx8/Ct6CROYd0hXWcB207nXLc= From: "pinskia at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug target/98532] Use load/store pairs for 2-element vector in memory permutes Date: Tue, 27 Feb 2024 08:27:59 +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: 11.0 X-Bugzilla-Keywords: missed-optimization X-Bugzilla-Severity: enhancement X-Bugzilla-Who: pinskia at gcc dot gnu.org X-Bugzilla-Status: RESOLVED X-Bugzilla-Resolution: FIXED X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org X-Bugzilla-Target-Milestone: 12.0 X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: resolution target_milestone bug_status 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=3D98532 Andrew Pinski changed: What |Removed |Added ---------------------------------------------------------------------------- Resolution|--- |FIXED Target Milestone|--- |12.0 Status|NEW |RESOLVED --- Comment #4 from Andrew Pinski --- Fixed by enabling SLP at -O2. Though this could be improved without the SLP. _1 =3D BIT_FIELD_REF <*a_4(D), 64, 64>; _2 =3D BIT_FIELD_REF <*a_4(D), 64, 0>; tmp_5 =3D {_1, _2}; Could be turned into VEC_PERM<*a_4(D), {1, 0}> earlier on. But I doubt tha= t it will matter so much really.=