From nobody Tue Feb 10 21:40:11 2026 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=fail; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1637779979560235.360645694989; Wed, 24 Nov 2021 10:52:59 -0800 (PST) Received: from localhost ([::1]:43522 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1mpxO5-0008Gi-Dn for importer@patchew.org; Wed, 24 Nov 2021 13:52:57 -0500 Received: from eggs.gnu.org ([209.51.188.92]:48720) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mpx5M-0006N4-Nk for qemu-devel@nongnu.org; Wed, 24 Nov 2021 13:33:36 -0500 Received: from mail.xen0n.name ([115.28.160.31]:43478 helo=mailbox.box.xen0n.name) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mpx5K-0004hA-Ie for qemu-devel@nongnu.org; Wed, 24 Nov 2021 13:33:36 -0500 Received: from ld50.lan (unknown [101.88.31.179]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) (No client certificate requested) by mailbox.box.xen0n.name (Postfix) with ESMTPSA id B61B460AF2; Thu, 25 Nov 2021 02:33:26 +0800 (CST) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=xen0n.name; s=mail; t=1637778806; bh=CErMEkdepVZXKcmYTnltj6hmnjHlJAN3lTT1it71TrU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=o8OJhWZ5yZrrgdXrQbcZTQkZUUgLUEESZupqPuEND1+xmBLTIYS8KUZEFwkj51Vqr ilX3jY4+qp+XfRr/bHVdjmvx0AbTCesdGh3kiUK12dP314NrcFNsvmS6JtLTTFRTWF vljGZcb8+NqkEsFkRUbnm80xJ6+4GV/dwdvImsWY= From: WANG Xuerui To: qemu-devel@nongnu.org Subject: [PATCH for-7.0 v8 08/31] tcg/loongarch64: Implement the memory barrier op Date: Thu, 25 Nov 2021 02:32:08 +0800 Message-Id: <20211124183231.1503090-9-git@xen0n.name> X-Mailer: git-send-email 2.34.0 In-Reply-To: <20211124183231.1503090-1-git@xen0n.name> References: <20211124183231.1503090-1-git@xen0n.name> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=115.28.160.31; envelope-from=git@xen0n.name; helo=mailbox.box.xen0n.name X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, 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: , Cc: Peter Maydell , XiaoJuan Yang , Richard Henderson , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Laurent Vivier , WANG Xuerui , =?UTF-8?q?Alex=20Benn=C3=A9e?= , Song Gao Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) X-ZM-MESSAGEID: 1637779980451100001 Signed-off-by: WANG Xuerui Reviewed-by: Richard Henderson Reviewed-by: Philippe Mathieu-Daud=C3=A9 --- tcg/loongarch64/tcg-target.c.inc | 32 ++++++++++++++++++++++++++++++++ 1 file changed, 32 insertions(+) diff --git a/tcg/loongarch64/tcg-target.c.inc b/tcg/loongarch64/tcg-target.= c.inc index fbacaef862..f12955723d 100644 --- a/tcg/loongarch64/tcg-target.c.inc +++ b/tcg/loongarch64/tcg-target.c.inc @@ -234,3 +234,35 @@ static bool patch_reloc(tcg_insn_unit *code_ptr, int t= ype, g_assert_not_reached(); } } + +#include "tcg-insn-defs.c.inc" + +/* + * TCG intrinsics + */ + +static void tcg_out_mb(TCGContext *s, TCGArg a0) +{ + /* Baseline LoongArch only has the full barrier, unfortunately. */ + tcg_out_opc_dbar(s, 0); +} + +/* + * Entry-points + */ + +static void tcg_out_op(TCGContext *s, TCGOpcode opc, + const TCGArg args[TCG_MAX_OP_ARGS], + const int const_args[TCG_MAX_OP_ARGS]) +{ + TCGArg a0 =3D args[0]; + + switch (opc) { + case INDEX_op_mb: + tcg_out_mb(s, a0); + break; + + default: + g_assert_not_reached(); + } +} --=20 2.34.0