From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id 0E6793858C52; Sun, 17 Mar 2024 10:39:47 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 0E6793858C52 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sourceware.org; s=default; t=1710671988; bh=d0CBFnrWjiTPPSxqF2/PC2oaQjknSnHdkKNtqDq0gHo=; h=From:To:Subject:Date:In-Reply-To:References:From; b=S9OJ15mu4p8NPoxuUVmlKLe/26vPA/mfI79Ujl0zWMvkjVlfN2tS85yf1kPtcuYwo QtefRZwmAMHdQXnFWxwAXhIzSpbrx8GEe6qRd7ystPMQHLOONJLMyzkugrR6TLEECM 2aYtCF1Uf8nsTjkIaeJIITVmSHOhrPii/qaNdjro= From: "hjl.tools at gmail dot com" To: glibc-bugs@sourceware.org Subject: [Bug dynamic-link/31501] _dl_tlsdesc_dynamic_xsavec may clobber %rbx Date: Sun, 17 Mar 2024 10:39:47 +0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: glibc X-Bugzilla-Component: dynamic-link X-Bugzilla-Version: 2.40 X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: hjl.tools at gmail dot com X-Bugzilla-Status: ASSIGNED X-Bugzilla-Resolution: X-Bugzilla-Priority: P2 X-Bugzilla-Assigned-To: hjl.tools at gmail dot com X-Bugzilla-Target-Milestone: 2.40 X-Bugzilla-Flags: security- 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://sourceware.org/bugzilla/ Auto-Submitted: auto-generated MIME-Version: 1.0 List-Id: https://sourceware.org/bugzilla/show_bug.cgi?id=3D31501 --- Comment #3 from H.J. Lu --- (In reply to Florian Weimer from comment #2) > An attempt to rebuild GCC with -mtls-dialect=3Dgnu2 resulted its LTO plug= in > crashing randomly, fortunately during the GCC build itself. The builder h= ad > AVX-512 support. We are not sure yet if the problem can happen with AVX2 > only. Intel ABC machines won't crash. But my testcase may crash on AMD AVX machines. Can someone try my testcase on AMD? --=20 You are receiving this mail because: You are on the CC list for the bug.=