From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-lf1-x129.google.com (mail-lf1-x129.google.com [IPv6:2a00:1450:4864:20::129]) by sourceware.org (Postfix) with ESMTPS id 76C733858C42 for ; Fri, 26 Apr 2024 09:13:25 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.2 sourceware.org 76C733858C42 Authentication-Results: sourceware.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: sourceware.org; spf=pass smtp.mailfrom=gmail.com ARC-Filter: OpenARC Filter v1.0.0 sourceware.org 76C733858C42 Authentication-Results: server2.sourceware.org; arc=none smtp.remote-ip=2a00:1450:4864:20::129 ARC-Seal: i=1; a=rsa-sha256; d=sourceware.org; s=key; t=1714122807; cv=none; b=xYQOkmtFHZl+8wlcIkv4CaBnkZjQi3oj2P8X53cT11GP1mO1GSxKFYmUd1A1PHRurVjQKqhJ4hWPeCvtRqfNBKOI7Vaz7wlqqQAsOUEyxAfK8/0i2UB8PWiWuxXKo1VcRjWgF23XwysLc/QMEjW1JYcrgFOAkBgBu2dYaVgLlGw= ARC-Message-Signature: i=1; a=rsa-sha256; d=sourceware.org; s=key; t=1714122807; c=relaxed/simple; bh=eBxh5tzPRFEy0HVUH8/Od68+T6zkq1ZH98myFSpdnoQ=; h=DKIM-Signature:MIME-Version:From:Date:Message-ID:Subject:To; b=k8QVRAeJmX8h5JjoJ6zwZQmhWk5VM/o/w5tTekuk6gznFKvAGmQlTQ5akIi/23hgV/NPFpG5RROeuI+mpUiIMkEM1DA273TN3b9QcrdG8FMD7hHtBBx08ksNjknpKsCjhNzFTeYBaUZCzp/n2GoBjr0ROQ7j2vYUSn5V4BdToKo= ARC-Authentication-Results: i=1; server2.sourceware.org Received: by mail-lf1-x129.google.com with SMTP id 2adb3069b0e04-518931f8d23so2052310e87.3 for ; Fri, 26 Apr 2024 02:13:25 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1714122804; x=1714727604; darn=gcc.gnu.org; h=content-transfer-encoding:cc:to:subject:message-id:date:from :in-reply-to:references:mime-version:from:to:cc:subject:date :message-id:reply-to; bh=h7ecGW5iPmO5f0Ku7gqStE7XpR/SZ2YU1vEWNVM16Zw=; b=LyW+PaQuQit8SvkDskAWCAlChH/5TJxnBny517+cprKyEJ08eONLs2eCtQSaxfVsyl Jr2v24HHx7eqxfFMmdWF+Os6iKE+NXSjDaRCnSlIPFX8/HX5qFg2YOlx62D8+bmT954H M0Mjn3Zyl2sdZIU8O0Ge5vMLl1dQyazhmaYJJK9aKNzCZm/l9Amt53uKGpF7gtLcEmAC N4S44/TpupYFcIPPzcsMftGwGadYPwQV2s5tzIRGjoCX3b5K8JLgm2r7Nu+EHNJULPDz V15QTFOqi1oan2WWMbq/htObXp2AAc9OCxhdYYsWHm+CQF8Cxj/n7dn8XNe7XDj5OHy7 85hw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1714122804; x=1714727604; h=content-transfer-encoding:cc:to:subject:message-id:date:from :in-reply-to:references:mime-version:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=h7ecGW5iPmO5f0Ku7gqStE7XpR/SZ2YU1vEWNVM16Zw=; b=WROYeNJdnyHvsE97QM18de4SEp8pb/XCE/fuIklBTtHy3UczlhU1QnkBidxRLF35B6 7HueIRUSCimYLXYwsdkPBVAC2D6DYI0iJj81XoobURd+lJC7D3h8AztKnysIkOF5w3yI DQdq3cd5+sXgZb8JuEQp2MjYkmhO7Aly/ZEfbZjgZFXRhfNfijy18w8I9lb5L+5Xio7T 7+V98Rd80vnmOYE+mIrctOY7kpgXFOf6TaFCgHGyGSNwpzsw5OXg5PMOiXlpyA2H7Xoz dh/Vh+KEuN86260ebCP6xOEhcq/jSxCcZ2Wq5rudxQpK+ymBvfc0qXcNuTBzpq25M+Os shiA== X-Gm-Message-State: AOJu0Yw6NnNvgEznJ3N3r9Smo6CPwpj1z8DOORdGlsOael8IHWN9PiHf 8aP6YKtlrap8gig8MQLK8bftPZ3er6yOXrp6N/NX6Ra9J9bDz+v00/B6ZDlxPWhb8zS8rtATmSg d3BRXNXlbwiFSqE+7Djc4nQ3kwe0cmFFL X-Google-Smtp-Source: AGHT+IH8IDyec2Xe9pXzU5na5UR95mYE374YXBwxj+ck44H1ymR7TiWtrKYQY10vIJ+AJzKiMqzLGWVexScc37G43kg= X-Received: by 2002:a2e:84c7:0:b0:2d6:db84:5e93 with SMTP id q7-20020a2e84c7000000b002d6db845e93mr1085573ljh.47.1714122803478; Fri, 26 Apr 2024 02:13:23 -0700 (PDT) MIME-Version: 1.0 References: <20240426090128.3722605-1-haochen.jiang@intel.com> In-Reply-To: <20240426090128.3722605-1-haochen.jiang@intel.com> From: Uros Bizjak Date: Fri, 26 Apr 2024 11:13:11 +0200 Message-ID: Subject: Re: [PATCH] i386: Fix array index overflow in pr105354-2.c To: Haochen Jiang Cc: gcc-patches@gcc.gnu.org, hongtao.liu@intel.com Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Spam-Status: No, score=-7.7 required=5.0 tests=BAYES_00,DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,FREEMAIL_FROM,GIT_PATCH_0,KAM_SHORT,RCVD_IN_DNSWL_NONE,SPF_HELO_NONE,SPF_PASS,TXREP autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on server2.sourceware.org List-Id: On Fri, Apr 26, 2024 at 11:03=E2=80=AFAM Haochen Jiang wrote: > > Hi all, > > The array index should not be over 8 for v8hi, or it will fail > under -O0 or using -fstack-protector. > > This patch aims to fix that, which is mentioned in PR110621. > > Commit as obvious and backport to GCC13. > > Thx, > Haochen > > gcc/testsuite/ChangeLog: > > PR target/110621 > * gcc.target/i386/pr105354-2.c: As mentioned. Please note that the ChangeLog entry gets copied into the relevant ChangeLog file independently of the commit message. So, the above entry will be copied to gcc/testsuite/ChangeLog without any reference to what was mentioned. Uros. > --- > gcc/testsuite/gcc.target/i386/pr105354-2.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/gcc/testsuite/gcc.target/i386/pr105354-2.c b/gcc/testsuite/g= cc.target/i386/pr105354-2.c > index b78b62e1e7e..1c592e84860 100644 > --- a/gcc/testsuite/gcc.target/i386/pr105354-2.c > +++ b/gcc/testsuite/gcc.target/i386/pr105354-2.c > @@ -17,7 +17,7 @@ sse2_test (void) > b.a[i] =3D i + 16; > res_ab.a[i] =3D 0; > exp_ab.a[i] =3D -1; > - if (i <=3D 8) > + if (i < 8) > { > c.a[i] =3D i; > d.a[i] =3D i + 8; > -- > 2.31.1 >