From patchwork Mon Jan 27 14:17:26 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Michael Tokarev X-Patchwork-Id: 13951485 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 12306C02188 for ; Mon, 27 Jan 2025 14:24:24 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1tcQ1J-0007tB-4W; Mon, 27 Jan 2025 09:23:21 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1tcQ1D-0007Le-Rr; Mon, 27 Jan 2025 09:23:16 -0500 Received: from isrv.corpit.ru ([86.62.121.231]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1tcQ1B-0002uM-Ou; Mon, 27 Jan 2025 09:23:15 -0500 Received: from localhost.tls.msk.ru (mjt.wg.tls.msk.ru [192.168.177.130]) by isrv.corpit.ru (Postfix) with ESMTP id E16AEE0F52; Mon, 27 Jan 2025 17:22:47 +0300 (MSK) Received: by localhost.tls.msk.ru (Postfix, from userid 1000) id 76D3A51D7A; Mon, 27 Jan 2025 17:18:03 +0300 (MSK) From: Michael Tokarev To: qemu-devel@nongnu.org Cc: qemu-stable@nongnu.org, Bibo Mao , Richard Henderson , =?utf-8?q?Philippe_Mathie?= =?utf-8?q?u-Daud=C3=A9?= , Michael Tokarev Subject: [Stable-9.2.1 12/41] target/loongarch: Use actual operand size with vbsrl check Date: Mon, 27 Jan 2025 17:17:26 +0300 Message-Id: <20250127141803.3514882-12-mjt@tls.msk.ru> X-Mailer: git-send-email 2.39.5 In-Reply-To: References: MIME-Version: 1.0 Received-SPF: pass client-ip=86.62.121.231; envelope-from=mjt@tls.msk.ru; helo=isrv.corpit.ru X-Spam_score_int: -68 X-Spam_score: -6.9 X-Spam_bar: ------ X-Spam_report: (-6.9 / 5.0 requ) BAYES_00=-1.9, RCVD_IN_DNSWL_HI=-5, RCVD_IN_VALIDITY_CERTIFIED_BLOCKED=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org From: Bibo Mao Hardcoded 32 bytes is used for vbsrl emulation check, there is problem when options lsx=on,lasx=off is used for vbsrl.v instruction in TCG mode. It injects LASX exception rather LSX exception. Here actual operand size is used. Cc: qemu-stable@nongnu.org Fixes: df97f338076 ("target/loongarch: Implement xvreplve xvinsve0 xvpickve") Signed-off-by: Bibo Mao Reviewed-by: Richard Henderson Reviewed-by: Philippe Mathieu-Daudé (cherry picked from commit d41989e7548397b469ec9c7be4cee699321a317e) Signed-off-by: Michael Tokarev diff --git a/target/loongarch/tcg/insn_trans/trans_vec.c.inc b/target/loongarch/tcg/insn_trans/trans_vec.c.inc index 92b1d22e28..ba5ca98a33 100644 --- a/target/loongarch/tcg/insn_trans/trans_vec.c.inc +++ b/target/loongarch/tcg/insn_trans/trans_vec.c.inc @@ -5126,7 +5126,7 @@ static bool do_vbsrl_v(DisasContext *ctx, arg_vv_i *a, uint32_t oprsz) { int i, ofs; - if (!check_vec(ctx, 32)) { + if (!check_vec(ctx, oprsz)) { return true; }