From nobody Tue Apr 7 21:27:36 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=1773257878; cv=none; d=zohomail.com; s=zohoarc; b=C8qjRaq1E/r1RkC3qFypAmLKuubGQP3y7xIn2htUvJcGq+HIU99bBRZthq/M45ECDPqjScZLhjSWtjYfi+AzztYXSZ1YubjsbbcIanK1qG0F9NNluvI7HPjgZ+3MvA75PI37ii2sZtDjh8wP0F2UhgTtvMR9nbLgGtZzduPA9/Q= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1773257878; 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=N+P/rPS/DCmvzrCqi1cZ9n9tDzSYGSvBLMks+APIoEdLpf5Kg5llL3hv9hxobozHZUVj/Yji/NoYz1iMAwqhSis3oQfivD6B7Y555BCV1yVQsuGq1AZkzS5Z5ZYEq+Hpp5Jplv5j+qe86uciHZmbRusiZK3dBcTJ4U26VAwsuqc= 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 1773257878067800.6623201019197; Wed, 11 Mar 2026 12:37:58 -0700 (PDT) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1w0PLX-0007kZ-9D; Wed, 11 Mar 2026 15:35:55 -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 1w0PLV-0007j8-5k; Wed, 11 Mar 2026 15:35:53 -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 1w0PLT-00008m-3g; Wed, 11 Mar 2026 15:35:52 -0400 Received: from tsrv.corpit.ru (tsrv.tls.msk.ru [192.168.177.2]) by isrv.corpit.ru (Postfix) with ESMTP id 1C2431920F5; Wed, 11 Mar 2026 22:34:27 +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 5F96837C45A; Wed, 11 Mar 2026 22:35:05 +0300 (MSK) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=tls.msk.ru; s=202602; t=1773257667; bh=E3cGNeFeUOznE9BBJTE5+LSH/VZ5Z74D9SNno9Uqbrg=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=abuf16FW56Hg/3ljW0+24xJCzTgVzqvCoHe5/YYlrHpUxpDTSbyQSvcJrIK/DpstW XDEKgvmuEYvBv1mhTwDC5xYK/834GZWSm3BHbVOwABo4LRxnlbYIyos6T0zviT5Shn FBwWJMd+a/VrFDHHBqC1eL0Z7ER57BXwTOhV6Z3hK2SPWc9Su14A8y3ZlKV4XwtbYG HweruSDKXkPWs3NM9Pr2JMaMmckHSwrO5dE4TCyOHhgOx+YuhkT2H9nrylsDXfc5wG vLhykdywhLCPadbpHAXjFHMNEQlQ+6a0X39KSuBbkNJzrQIrY1MlpyYoyzJsc53/cs zbJ7bLD0IWmwg== From: Michael Tokarev To: qemu-devel@nongnu.org Cc: qemu-stable@nongnu.org, Peter Maydell , Richard Henderson , Michael Tokarev Subject: [Stable-10.2.2 13/53] target/arm/tcg: Allow SVE RAX1 in SME2p1 streaming mode Date: Wed, 11 Mar 2026 22:34:06 +0300 Message-ID: <20260311193449.1096110-13-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: 1773257879823154100 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