From patchwork Mon Nov 18 13:32:43 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: guoguangyao X-Patchwork-Id: 13878595 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 9EEEDD49222 for ; Mon, 18 Nov 2024 13:36:38 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1tD1uu-0006lc-0u; Mon, 18 Nov 2024 08:35:48 -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 1tD1uo-0006l6-2e for qemu-devel@nongnu.org; Mon, 18 Nov 2024 08:35:42 -0500 Received: from smtp21.cstnet.cn ([159.226.251.21] helo=cstnet.cn) by eggs.gnu.org with esmtps (TLS1.2:DHE_RSA_AES_256_CBC_SHA1:256) (Exim 4.90_1) (envelope-from ) id 1tD1ug-0004Jc-K2 for qemu-devel@nongnu.org; Mon, 18 Nov 2024 08:35:40 -0500 Received: from localhost.localdomain (unknown [159.226.43.4]) by APP-01 (Coremail) with SMTP id qwCowADHzHx1QjtndjLSAw--.81S2; Mon, 18 Nov 2024 21:35:14 +0800 (CST) From: guoguangyao To: qemu-devel@nongnu.org Cc: gaosong@loongson.cn, guoguangyao Subject: [PATCH] target/loongarch: fix alignment error in tci. Date: Mon, 18 Nov 2024 21:32:43 +0800 Message-Id: <20241118133243.291769-1-guoguangyao18@mails.ucas.ac.cn> X-Mailer: git-send-email 2.34.1 MIME-Version: 1.0 X-CM-TRANSID: qwCowADHzHx1QjtndjLSAw--.81S2 X-Coremail-Antispam: 1UD129KBjvdXoW7Wr13JF4kZFy5AFy5Gw4UJwb_yoWfuFb_Wa 47Gr1Dur48uF1Ivw47t34rJw15GF48GF1YkFWkXws5Kr98XrZxZwsrtwnxAw1j9F4xZr43 AFsFvr9xCryayjkaLaAFLSUrUUUUjb8apTn2vfkv8UJUUUU8Yxn0WfASr-VFAUDa7-sFnT 9fnUUIcSsGvfJTRUUUb48FF20E14v26r1j6r4UM7CY07I20VC2zVCF04k26cxKx2IYs7xG 6rWj6s0DM7CIcVAFz4kK6r1j6r18M28lY4IEw2IIxxk0rwA2F7IY1VAKz4vEj48ve4kI8w A2z4x0Y4vE2Ix0cI8IcVAFwI0_Xr0_Ar1l84ACjcxK6xIIjxv20xvEc7CjxVAFwI0_Gr0_ Cr1l84ACjcxK6I8E87Iv67AKxVW0oVCq3wA2z4x0Y4vEx4A2jsIEc7CjxVAFwI0_GcCE3s 1lnxkEFVAIw20F6cxK64vIFxWle2I262IYc4CY6c8Ij28IcVAaY2xG8wAqx4xG64xvF2IE w4CE5I8CrVC2j2WlYx0E2Ix0cI8IcVAFwI0_Jr0_Jr4lYx0Ex4A2jsIE14v26r4UJVWxJr 1lOx8S6xCaFVCjc4AY6r1j6r4UM4x0Y48IcxkI7VAKI48JM4x0x7Aq67IIx4CEVc8vx2IE rcIFxwCF04k20xvY0x0EwIxGrwCFx2IqxVCFs4IE7xkEbVWUJVW8JwC20s026c02F40E14 v26r1j6r18MI8I3I0E7480Y4vE14v26r106r1rMI8E67AF67kF1VAFwI0_Jrv_JF1lIxkG c2Ij64vIr41lIxAIcVC0I7IYx2IY67AKxVWUJVWUCwCI42IY6xIIjxv20xvEc7CjxVAFwI 0_Jr0_Gr1lIxAIcVCF04k26cxKx2IYs7xG6r1j6r1xMIIF0xvEx4A2jsIE14v26r1j6r4U MIIF0xvEx4A2jsIEc7CjxVAFwI0_Jr0_GrUvcSsGvfC2KfnxnUUI43ZEXa7VUb7DG7UUUU U== X-Originating-IP: [159.226.43.4] X-CM-SenderInfo: 5jxrw35dqj5trrryqzpdlo2hpxfd2hldfou0/ Received-SPF: pass client-ip=159.226.251.21; envelope-from=guoguangyao18@mails.ucas.ac.cn; helo=cstnet.cn X-Spam_score_int: -41 X-Spam_score: -4.2 X-Spam_bar: ---- X-Spam_report: (-4.2 / 5.0 requ) BAYES_00=-1.9, RCVD_IN_DNSWL_MED=-2.3, RCVD_IN_VALIDITY_CERTIFIED_BLOCKED=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, SPF_HELO_PASS=-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 Add alignment and check for fpr in CPUArchState, fix alignment error in tcg interpreter when executing LASX. Signed-off-by: guoguangyao Reviewed-by: Richard Henderson --- target/loongarch/cpu.h | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/target/loongarch/cpu.h b/target/loongarch/cpu.h index 86c86c6c95..f955f9f618 100644 --- a/target/loongarch/cpu.h +++ b/target/loongarch/cpu.h @@ -302,7 +302,7 @@ typedef struct CPUArchState { uint64_t gpr[32]; uint64_t pc; - fpr_t fpr[32]; + fpr_t fpr[32] QEMU_ALIGNED(16); bool cf[8]; uint32_t fcsr0; lbt_t lbt; @@ -487,6 +487,7 @@ static inline void cpu_get_tb_cpu_state(CPULoongArchState *env, vaddr *pc, #define CPU_RESOLVING_TYPE TYPE_LOONGARCH_CPU +QEMU_BUILD_BUG_ON((offsetof(CPULoongArchState, fpr[0]) & (15)) != 0); void loongarch_cpu_post_init(Object *obj); #endif /* LOONGARCH_CPU_H */