From nobody Tue Apr 7 21:44:29 2026 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; 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 ARC-Seal: i=1; a=rsa-sha256; t=1773242305; cv=none; d=zohomail.com; s=zohoarc; b=e21zIVKOmPdULVHgUMrbU8aUIvQEQCLxPnz/oRZL8v8xB8vMcmBhcMv5fKrcW6UQY8ng5v5xqWaemQie4Sz+E/R0SgUDOyB7oK/xty6mWXyQM1I1DqsfEZYoRvRGa+Waf4q9lUw/BRA1ALa5tlFbejc/z25tA6pr5Mco5b9hzJs= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1773242305; h=Content-Transfer-Encoding:Cc:Cc:Date:Date:From:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:Subject:To:To:Message-Id:Reply-To; bh=YIkTZSdBUXUkc3x0t7zCIx3G5zraFIHZDSqMp1iy424=; b=QyhPpvBTe5xzhbT5PU5icBJTkSJlEPtIohiMg4J7NyZ/K552zPIvgsxX1wAe2C7T8rGq7xHpOdPTS0IFyQE59RJI9V84uN0GOJEQEBSmvpXkVb59M3jElBRunHnSOvl0G6gykoX3IbO3iAk1jQfgubJRUwV0cntPVvxYXMBghxQ= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; 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 1773242305355670.2058931774185; Wed, 11 Mar 2026 08:18:25 -0700 (PDT) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1w0LBo-0001Ux-Ht; Wed, 11 Mar 2026 11:09:36 -0400 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 1w0LAK-00055q-VP; Wed, 11 Mar 2026 11:08:09 -0400 Received: from isrv.corpit.ru ([212.248.84.144]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1w0LAJ-0005Sw-DC; Wed, 11 Mar 2026 11:08:04 -0400 Received: from tsrv.corpit.ru (tsrv.tls.msk.ru [192.168.177.2]) by isrv.corpit.ru (Postfix) with ESMTP id DA990191E90; Wed, 11 Mar 2026 18:04:41 +0300 (MSK) Received: from think4mjt.tls.msk.ru (mjtthink.wg.tls.msk.ru [192.168.177.146]) by tsrv.corpit.ru (Postfix) with ESMTP id C8D0237C2D1; Wed, 11 Mar 2026 18:05:19 +0300 (MSK) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=tls.msk.ru; s=202602; t=1773241481; bh=E3cGNeFeUOznE9BBJTE5+LSH/VZ5Z74D9SNno9Uqbrg=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=TEG1gsecXPEhLb/TBppUtkMRVtQtiNx9/fkNtRyzskcUuGAcgOCTU+I3tkShB4mqg PcACnJDtAyZqQ5shGpI+YkcUpHaMuww7UGT/3q8efbm4zoeWbcd0QmDhvzZFrwLr4A uG/GjjBF638O/5l4lHuTHNAtnruIVAQztwaKs7p48m7JmP34bVNAx/JvGqsUfSqPWK qg5KmwR2WiLJd/6fuxkEvFjP7k9rg/Il4pDRmMtDQ1ybU0Pf96p6fM1vRRKw1FSxLm COIiKx6V8yMe8aowlnbHbtHLppTrqp2hkjesRznqpCSg6PjTstGe/v1w8JTjISBkUc HlraiVubJdOCg== From: Michael Tokarev To: qemu-devel@nongnu.org Cc: qemu-stable@nongnu.org, Peter Maydell , Richard Henderson , Michael Tokarev Subject: [Stable-10.1.5 13/46] target/arm/tcg: Allow SVE RAX1 in SME2p1 streaming mode Date: Wed, 11 Mar 2026 18:02:49 +0300 Message-ID: <20260311150327.1084669-13-mjt@tls.msk.ru> X-Mailer: git-send-email 2.47.3 In-Reply-To: References: MIME-Version: 1.0 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=212.248.84.144; envelope-from=mjt@tls.msk.ru; helo=isrv.corpit.ru X-Spam_score_int: -2 X-Spam_score: -0.3 X-Spam_bar: / X-Spam_report: (-0.3 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.819, RCVD_IN_VALIDITY_SAFE_BLOCKED=0.903, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=no autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: qemu development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @tls.msk.ru) X-ZM-MESSAGEID: 1773242307274158500 Content-Type: text/plain; charset="utf-8" From: Peter Maydell The SVE RAX1 instruction is permitted in SME streaming mode starting from SME2p1. We forgot to allow this relaxation when we implemented SME2p1. Cc: qemu-stable@nongnu.org Fixes: 7b1613a1020d2 ("target/arm: Enable FEAT_SME2p1 on -cpu max") Signed-off-by: Peter Maydell Reviewed-by: Richard Henderson Message-id: 20260202133353.2231685-5-peter.maydell@linaro.org (cherry picked from commit 433097a2242120918090201129e5fbb8e16b3e34) Signed-off-by: Michael Tokarev diff --git a/target/arm/tcg/translate-sve.c b/target/arm/tcg/translate-sve.c index d69a2f5d75..76e4a6c52c 100644 --- a/target/arm/tcg/translate-sve.c +++ b/target/arm/tcg/translate-sve.c @@ -7803,8 +7803,17 @@ TRANS_FEAT_NONSTREAMING(SM4E, aa64_sve2_sm4, gen_gve= c_ool_arg_zzz, TRANS_FEAT_NONSTREAMING(SM4EKEY, aa64_sve2_sm4, gen_gvec_ool_arg_zzz, gen_helper_crypto_sm4ekey, a, 0) =20 -TRANS_FEAT_NONSTREAMING(RAX1, aa64_sve2_sha3, gen_gvec_fn_arg_zzz, - gen_gvec_rax1, a) +static bool trans_RAX1(DisasContext *s, arg_RAX1 *a) +{ + if (!dc_isar_feature(aa64_sve2_sha3, s)) { + return false; + } + if (!dc_isar_feature(aa64_sme2p1, s)) { + /* SME2p1 adds this as valid in streaming SVE mode */ + s->is_nonstreaming =3D true; + } + return gen_gvec_fn_arg_zzz(s, gen_gvec_rax1, a); +} =20 TRANS_FEAT(FCVTNT_sh, aa64_sve2, gen_gvec_fpst_arg_zpz, gen_helper_sve2_fcvtnt_sh, a, 0, FPST_A64) --=20 2.47.3