From patchwork Wed Dec 25 02:40:04 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Bibo Mao X-Patchwork-Id: 13920600 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 7B078E7718E for ; Wed, 25 Dec 2024 02:41:24 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1tQHK4-0007TZ-JN; Tue, 24 Dec 2024 21:40:32 -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 1tQHK1-0007RJ-AK; Tue, 24 Dec 2024 21:40:29 -0500 Received: from mail.loongson.cn ([114.242.206.163]) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1tQHJy-0000YW-5n; Tue, 24 Dec 2024 21:40:29 -0500 Received: from loongson.cn (unknown [10.2.5.213]) by gateway (Coremail) with SMTP id _____8DxL62OcGtnLUBaAA--.7334S3; Wed, 25 Dec 2024 10:40:14 +0800 (CST) Received: from localhost.localdomain (unknown [10.2.5.213]) by front1 (Coremail) with SMTP id qMiowMCx3sWJcGtnJV0IAA--.35957S4; Wed, 25 Dec 2024 10:40:13 +0800 (CST) From: Bibo Mao To: Stefan Hajnoczi Cc: qemu-devel@nongnu.org, Song Gao , qemu-stable@nongnu.org, Richard Henderson , =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= Subject: [PULL 2/6] target/loongarch: Use actual operand size with vbsrl check Date: Wed, 25 Dec 2024 10:40:04 +0800 Message-Id: <20241225024008.486236-3-maobibo@loongson.cn> X-Mailer: git-send-email 2.39.3 In-Reply-To: <20241225024008.486236-1-maobibo@loongson.cn> References: <20241225024008.486236-1-maobibo@loongson.cn> MIME-Version: 1.0 X-CM-TRANSID: qMiowMCx3sWJcGtnJV0IAA--.35957S4 X-CM-SenderInfo: xpdruxter6z05rqj20fqof0/ X-Coremail-Antispam: 1Uk129KBjDUn29KB7ZKAUJUUUUU529EdanIXcx71UUUUU7KY7 ZEXasCq-sGcSsGvfJ3UbIjqfuFe4nvWSU5nxnvy29KBjDU0xBIdaVrnUUvcSsGvfC2Kfnx nUUI43ZEXa7xR_UUUUUUUUU== Received-SPF: pass client-ip=114.242.206.163; envelope-from=maobibo@loongson.cn; helo=mail.loongson.cn X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, RCVD_IN_VALIDITY_SAFE_BLOCKED=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 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 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 --- target/loongarch/tcg/insn_trans/trans_vec.c.inc | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/target/loongarch/tcg/insn_trans/trans_vec.c.inc b/target/loongarch/tcg/insn_trans/trans_vec.c.inc index d317dfcc1c..dff92772ad 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; }