From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id A3B3F3858414; Thu, 11 May 2023 06:52:12 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org A3B3F3858414 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1683787932; bh=qO/xl6462Y9DkbwNERiNA/tfhKWrKKAMgMykaPGfIvw=; h=From:To:Subject:Date:In-Reply-To:References:From; b=iNlWbr34coeIrt98poMyXMZ3ho58g73yR5tKSEO8cnZTXCavzHJZIwlMummS5HfAR M46h0ocsSEmkhbpjjIfr7jD//tKTi+rAz8AIHeF1cCblvx/qNRa/ljQyQ0C6UMvKKE kZP2UGR/HqfXVdM20iJE4m3WMwLvc6MzCQ7aVE8U= From: "haochen.jiang at intel dot com" To: gcc-bugs@gcc.gnu.org Subject: [Bug target/109807] [14 Regression] sse2-mmx-pmaddwd.c met ICE after commit r14-666-g608e7f3ab47 with march=cascadelake Date: Thu, 11 May 2023 06:52:12 +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: 14.0 X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: haochen.jiang at intel dot com 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: 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=3D109807 --- Comment #1 from Haochen Jiang --- I further checked the reason, V2SI should never dropped into that function because we have no pattern under V2SI. I suppose it is because -march=3Dcascadelake will open SSE4.1, with the new pattern, it wrongly dropped into that. -m32 will not ICE since TARGET_MMX_WITH_SSE need 64 bit and won't enable the new pattern.=