From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id A8FC73858D34; Fri, 22 Mar 2024 10:46:25 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org A8FC73858D34 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1711104385; bh=wa+04aiyReawSqJ5UMBXX1caBTU3VniseyH0HLkvhnY=; h=From:To:Subject:Date:In-Reply-To:References:From; b=EkCGHEa0pyEl//2KXN2Ql+2Xw+hD5vRDJsUHmoPrP1jfwUHdVvuvEE14nHxrTIv6w HQGoTVqahk1hYJ3Lrxz7t9WbNGvqhkDJNI4Jj3fNRKDBBbYSNDWNOID/Nnc/flbGfq 7R33CrzZGIBx1XNcWqUpVIqxDsqosA44HOuFPNkc= From: "jakub at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug middle-end/111683] [11/12/13/14 Regression] Incorrect answer when using SSE2 intrinsics with -O3 since r7-3163-g973625a04b3d9351f2485e37f7d3382af2aed87e Date: Fri, 22 Mar 2024 10:46:25 +0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: middle-end X-Bugzilla-Version: 10.2.1 X-Bugzilla-Keywords: wrong-code X-Bugzilla-Severity: normal X-Bugzilla-Who: jakub at gcc dot gnu.org X-Bugzilla-Status: NEW X-Bugzilla-Resolution: X-Bugzilla-Priority: P2 X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org X-Bugzilla-Target-Milestone: 11.5 X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: attachments.isobsolete attachments.created 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=3D111683 Jakub Jelinek changed: What |Removed |Added ---------------------------------------------------------------------------- Attachment #57768|0 |1 is obsolete| | --- Comment #22 from Jakub Jelinek --- Created attachment 57769 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=3D57769&action=3Dedit gcc14-pr111683.patch Actually for bit-fields, TREE_TYPE on the ref is the underlying type, so ei= ther we'd need to somehow better try to understand the actual reference size in = that case, or simply look throught the BIT_FIELD_REF COMPONENT_REFs.=