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[174.21.67.243]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-7490a69f3e2sm6479842b3a.159.2025.06.22.14.35.10 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 22 Jun 2025 14:35:10 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1750628111; x=1751232911; darn=nongnu.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=86Re1mOlDXK3rV70IB71Kb0iZF4aZZETKbM675Pw+4M=; b=XitLb92pwHXvG+bscnt5Wrvn60ZHrYhNGplQx20GfZaQJ995BmyZHUmhd3wp1LPAsN ZDq+CVRkoMimPNDoMUGN295hSS6X/hYlKFckO/hliov43OvT+OoqzReEEc9iT02ZKxxJ V8WbzX8IR3xuWNo+0ee/1IK3nBmpuR/UwsqQFqITy2ZsjbQYNwevr8vQklOrY9buV5Ea vJTV7f1aM+D71Y/qRO8xE/vWa5atdgrAmaDnymlzMNXBmgGjEdkFCtHvRNmzgGp/gG65 WsttyRCDRT0orBSeRolnZR2p2C7HMEQWVVojLhIbyoLFIW91vCfluGSPHbmQoDSiXy35 Lphw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1750628111; x=1751232911; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=86Re1mOlDXK3rV70IB71Kb0iZF4aZZETKbM675Pw+4M=; b=i80QCJCFhY88hW/czB0x5NNlMM6xK0cqsf4WW4P46iDY7KflPZZClBeDqkvoi3wLfw wsQ37+3WAw0NjOoLYP0dlcwvR1X7rPAD70CwGqGFjU2tpjNNiQFhTzbS73cL1rEfTVbe ufe8rHUyRJ+fnRZRUIdOPr+m677oAqtPOgbgBp5wLaFZHm9klSc+C065Y/0E4CaashiU KHGq34L4Nm1Fu4Ro9Fzozd639IEj79nISXOP6hxBC/BCf8w4ve2aCjg2sapC5Zu21EKI k4iJQnw/g071ObJc4kB5qGDH1n5eR5IHS84B4oAjT9C9f2tJSs7fB63ujlszLPbQUk39 rAxA== X-Gm-Message-State: AOJu0YzqUgLtFdJucS5d5ZUIhjOOwdjLBOntDgMI2bNwkTA7/YB5THBd r4XTXA6iHtguXZVosM2PW4YurjOp/82eTOJF3PPu/95Y3aJ8a7sn/SkZq6WcvsKXNckwjL+Cp89 GbySRpFw= X-Gm-Gg: ASbGncv92Wgaq5cbORs6H7BMfrlSlyJvD/cxQjRAGYa4OrqiW3mhhrvEFGYM2bHiofi wXcHPHq5oa6BqlJ1+MjjfuJnGgKsZdmsZgXXRf4LRs3suKVeFhJXnpEKrmlW+Wlc10hsvmT3PGM DZ73Qnoj1vueIsSMr0Exs/LjAk8PdTytlWeDZL6wQ7/wWL/Q2wUM44/njzINIgx+CDT6WbfIAHv ixH3yw3CEDdCG30iIDPVoeYFw5cSkfXltvxTS2jaSZnr9g8leGB25aVAIlXzlqHnJeI32E3Njua beLfJRwVx+gEIpQtw3lhip35srU4+GDk+KdFj1knCm4VRFfDZKUp2ZfLNOFPkF4/mDhfFBzO8UR YErwO90dlGfS54aIlMa/Y X-Google-Smtp-Source: AGHT+IGWXn0tGx9ZkmlFvyWLXoZCfFvDJnw8XWdMy/mjGHhIuCfgqEaBqBu/W6eQM25EonSY7kXxyg== X-Received: by 2002:a05:6a00:1393:b0:736:9f2e:1357 with SMTP id d2e1a72fcca58-7490f592146mr13183724b3a.12.1750628111021; Sun, 22 Jun 2025 14:35:11 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Cc: qemu-stable@nongnu.org Subject: [PATCH v2 1/3] target/arm: Fix SME vs AdvSIMD exception priority Date: Sun, 22 Jun 2025 14:35:07 -0700 Message-ID: <20250622213509.277798-2-richard.henderson@linaro.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20250622213509.277798-1-richard.henderson@linaro.org> References: <20250622213509.277798-1-richard.henderson@linaro.org> 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=2607:f8b0:4864:20::430; envelope-from=richard.henderson@linaro.org; helo=mail-pf1-x430.google.com 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, RCVD_IN_DNSWL_NONE=-0.0001, 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+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @linaro.org) X-ZM-MESSAGEID: 1750628193305116600 Content-Type: text/plain; charset="utf-8" We failed to raise an exception when sme_excp_el =3D=3D 0 and fp_excp_el =3D=3D 1. Cc: qemu-stable@nongnu.org Fixes: 3d74825f4d6 ("target/arm: Add SME enablement checks") Signed-off-by: Richard Henderson Reviewed-by: Peter Maydell --- target/arm/tcg/translate-a64.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/target/arm/tcg/translate-a64.c b/target/arm/tcg/translate-a64.c index ac80f572a2..bb49a2ce90 100644 --- a/target/arm/tcg/translate-a64.c +++ b/target/arm/tcg/translate-a64.c @@ -1494,7 +1494,8 @@ bool sme_enabled_check(DisasContext *s) * to be zero when fp_excp_el has priority. This is because we need * sme_excp_el by itself for cpregs access checks. */ - if (!s->fp_excp_el || s->sme_excp_el < s->fp_excp_el) { + if (s->sme_excp_el + && (!s->fp_excp_el || s->sme_excp_el <=3D s->fp_excp_el)) { bool ret =3D sme_access_check(s); s->fp_access_checked =3D (ret ? 1 : -1); return ret; --=20 2.43.0 From nobody Sat Nov 15 14:51:55 2025 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; dmarc=pass(p=none dis=none) header.from=linaro.org ARC-Seal: i=1; a=rsa-sha256; t=1750628165; cv=none; d=zohomail.com; s=zohoarc; b=Q9JHyJdtO0VTSK5DRCvLGEcxPojWj1givOsknyJ1F0c+E2pqkwbn3OOi/FYGpC7TaILtmbGuD88Y5KC1N/3WU2uVjVE942dXUQVhNWzCfwlc9UGmm5sTJBX5ePeXqcPHG2bvs4FUyu3I60uf3QbJk8rCfA6w7O6JLy9am2kQRwg= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1750628165; 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=17xvLC+f5hSIzSCO1us1OyV/XIgcsWpXj5v+pXI85Z8=; b=JDityGk0d9tpfep0/p+QxRsho3d5yGt+ZeLlhL7u8KBqtQlx8hUqt2UpSIKEylFyxbcFTzj+dalrlfN/NzA8ZZf/DXQsXH4gHPT+fuDEKKyvvwDLga1B9mW6sB46HwuDzw6c3pmGHf19xDhYfYLRloMbimW6RLg0zNV/Z6igaRE= 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; dmarc=pass header.from= (p=none dis=none) Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1750628164995837.977337174577; Sun, 22 Jun 2025 14:36:04 -0700 (PDT) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1uTSLQ-0007SP-UC; Sun, 22 Jun 2025 17:35:20 -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 1uTSLN-0007Rm-U2 for qemu-devel@nongnu.org; Sun, 22 Jun 2025 17:35:18 -0400 Received: from mail-pf1-x42e.google.com ([2607:f8b0:4864:20::42e]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1uTSLL-000594-Nb for qemu-devel@nongnu.org; Sun, 22 Jun 2025 17:35:17 -0400 Received: by mail-pf1-x42e.google.com with SMTP id d2e1a72fcca58-7425bd5a83aso2937848b3a.0 for ; Sun, 22 Jun 2025 14:35:13 -0700 (PDT) Received: from stoup.. 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[174.21.67.243]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-7490a69f3e2sm6479842b3a.159.2025.06.22.14.35.11 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 22 Jun 2025 14:35:11 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1750628112; x=1751232912; darn=nongnu.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=17xvLC+f5hSIzSCO1us1OyV/XIgcsWpXj5v+pXI85Z8=; b=ICDHXmS5tNmBKFeMe2XvHuaADMwjW4+EroNvCKqA1YF7yJS0aul/v6nWWoYAn5L8e5 BsmZAsJ+UsMAYvM/F2Y9uo2TpV79iLjxnxhMryYjG/hJDQDycdJ7LoJbZHDWSCY8f4aT MkbEnR2a+72fiOY0DX7fuMi1XP7mGPgkCMohBDXZf8BUBh5CBfGFigacEcQPqLHRXYnK CRchC0iaUHzVBDSnCCxeeXkDr2b5EjhRpu4ZNrbhPVYbjbx+z0MMrMD3FC7oUCTj6rD1 Yyw3X3K5IFwmkouRaaRa3JqADlB+qxHiAvw0ptbv96PQD3YvhTziGMVJdwhvLmoQQ+ls kFkg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1750628112; x=1751232912; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=17xvLC+f5hSIzSCO1us1OyV/XIgcsWpXj5v+pXI85Z8=; b=dypC1pczSa+QRiBmR9CPJdSFi5ZUglhDxNFD5OfTBnITzTyQR0K7w8Xf93FdMknjFg IKZh4DjQFccQ7HG/k20qissEnq1uy+bLe0/2I67qfefNb6pTn1snwIp4NT4/IQ+EnR31 bkXJ1GCGSb0KIGwcoz8FRycNGf8GOxagSbn+gBC7HpUtIjvcPMFet0MhJvddUYyz5cu2 pMQM61VrqwursweN+tk98ZOecCoPYXBRrPw+xp6ZXPnM7vOLzuLlj7iBDHXL+J5+jFRC znJuCBGL457Ifto309h4OdSAPnF7/18BNhQso6d+fsoa2Y02Ya/7Z85u17FCwVaOCBuH N2gA== X-Gm-Message-State: AOJu0Yy1L69jGPYrHvv9g8t0AEgJo/BpMe5+Ay7fGlVgysdPJ8yD+fcx 1yRPJM3RtM11+ZhxTT83D/SlxGQq/mfxquoUaZ0aDYazYveVbAElOm1diVMrFZ/Yr2xVD3NCvQZ XkJ5k63s= X-Gm-Gg: ASbGncvHNZUqKDrCzabnLXRpZ0LY/9540WBs144/pLjO9IzS8E4DiTGYssTsDZ2r25s GgbzFzF1DTNLxRsKd6OdVpSsKjctg7GyPZXTRjbXfNHmcwBcaJTJHkVnqFRz5+v0dxN7nQT2krp 4AKOTqmpt+/Ct8xExVBc/TMKPhDvLTNmOY7hwIGK9SSaQ8RKWavtnWkLqzwuntpQH816a9ll7uL hHAONR0X0ayzpIW5ntXt/ulqyNlzjVc3syKZKCP09knxcig/zBvWtL8eHDDCQepy5jD1ATXWS/p aLliAqNTM0TtIN/dlRXfHewrlJZpNc93TDaO5vAeSYCxD+FgmHltUOLWN+3ie4jXKlFP9TrmxO9 nFUqxWm7s7nOvGGVzCVDY X-Google-Smtp-Source: AGHT+IFwXaPGFo5khC1rNYPAfW+vPMgMVkgCjovQwA/KSUNuG5ki25mY/AmAZIOAZ0mLdIsTZiwj3Q== X-Received: by 2002:a05:6300:4ce:10b0:220:2741:cb1f with SMTP id adf61e73a8af0-2202741cd68mr10228934637.41.1750628111707; Sun, 22 Jun 2025 14:35:11 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Cc: qemu-stable@nongnu.org Subject: [PATCH v2 2/3] target/arm: Fix sve_access_check for SME Date: Sun, 22 Jun 2025 14:35:08 -0700 Message-ID: <20250622213509.277798-3-richard.henderson@linaro.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20250622213509.277798-1-richard.henderson@linaro.org> References: <20250622213509.277798-1-richard.henderson@linaro.org> 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=2607:f8b0:4864:20::42e; envelope-from=richard.henderson@linaro.org; helo=mail-pf1-x42e.google.com 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, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=unavailable 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+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @linaro.org) X-ZM-MESSAGEID: 1750628167330116600 Content-Type: text/plain; charset="utf-8" Do not assume SME implies SVE. Ensure that the non-streaming check is present along the SME path, since it is not implied by sme_*_enabled_check. Cc: qemu-stable@nongnu.org Signed-off-by: Richard Henderson Reviewed-by: Peter Maydell --- target/arm/tcg/translate-a64.c | 27 +++++++++++++++++++-------- 1 file changed, 19 insertions(+), 8 deletions(-) diff --git a/target/arm/tcg/translate-a64.c b/target/arm/tcg/translate-a64.c index bb49a2ce90..d7b0c81773 100644 --- a/target/arm/tcg/translate-a64.c +++ b/target/arm/tcg/translate-a64.c @@ -1387,11 +1387,8 @@ static bool fp_access_check_only(DisasContext *s) return true; } =20 -static bool fp_access_check(DisasContext *s) +static bool nonstreaming_check(DisasContext *s) { - if (!fp_access_check_only(s)) { - return false; - } if (s->sme_trap_nonstreaming && s->is_nonstreaming) { gen_exception_insn(s, 0, EXCP_UDEF, syn_smetrap(SME_ET_Streaming, false)); @@ -1400,6 +1397,11 @@ static bool fp_access_check(DisasContext *s) return true; } =20 +static bool fp_access_check(DisasContext *s) +{ + return fp_access_check_only(s) && nonstreaming_check(s); +} + /* * Return <0 for non-supported element sizes, with MO_16 controlled by * FEAT_FP16; return 0 for fp disabled; otherwise return >0 for success. @@ -1450,11 +1452,20 @@ static int fp_access_check_vector_hsd(DisasContext = *s, bool is_q, MemOp esz) */ bool sve_access_check(DisasContext *s) { - if (s->pstate_sm || !dc_isar_feature(aa64_sve, s)) { - bool ret; + bool ret; =20 - assert(dc_isar_feature(aa64_sme, s)); - ret =3D sme_sm_enabled_check(s); + switch (dc_isar_feature(aa64_sme, s)) { + case true: + if (s->pstate_sm) { + ret =3D sme_enabled_check(s); + } else if (!dc_isar_feature(aa64_sve, s)) { + ret =3D sme_sm_enabled_check(s); + } else { + break; + } + if (ret) { + ret =3D nonstreaming_check(s); + } s->sve_access_checked =3D (ret ? 1 : -1); return ret; } --=20 2.43.0 From nobody Sat Nov 15 14:51:55 2025 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; dmarc=pass(p=none dis=none) header.from=linaro.org ARC-Seal: i=1; a=rsa-sha256; t=1750628175; cv=none; d=zohomail.com; s=zohoarc; b=T9GPCJLnH7O82bYJx1XInfIubkn/YBhvYTHVEWxWhBzFmVb/jdvDLZaf/JFOw03A9msgHOs72YMdLQnNERJ+9uHRTz0BI9zzl+Fx88gyQNCKm5FzR8HTE9v8pwS3JuhsRXltkBfzqubYAq41iIur0aAy0aDwSCpAV0t0VjbeDJs= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1750628175; 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=BENvMcJ/CrRAcx3dIG/qU4Ltg1Ex80eRTSFUmTUQVxM=; b=RE0YXgW+ncvvVd6VXpoW+FQTXj27GbRdCX65x1sLPFniZycvfviz9CdJxnlv7zp9sBGxJnmcIHpUxrRJw5wxo2lmCeccNKo0ayfrR93/J7jnSpirtrdhCI3UpT2h6lDC0YMFH64Hqs6EJTNMVa1AmC0as7Sg3BnNHRyhCCkwvto= 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; dmarc=pass header.from= (p=none dis=none) Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1750628175706319.5857494203866; Sun, 22 Jun 2025 14:36:15 -0700 (PDT) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1uTSLR-0007SZ-RZ; Sun, 22 Jun 2025 17:35:21 -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 1uTSLM-0007RU-PW for qemu-devel@nongnu.org; Sun, 22 Jun 2025 17:35:17 -0400 Received: from mail-pf1-x42e.google.com ([2607:f8b0:4864:20::42e]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1uTSLL-00059E-7i for qemu-devel@nongnu.org; Sun, 22 Jun 2025 17:35:16 -0400 Received: by mail-pf1-x42e.google.com with SMTP id d2e1a72fcca58-748f54dfa5fso2397143b3a.2 for ; Sun, 22 Jun 2025 14:35:13 -0700 (PDT) Received: from stoup.. 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[174.21.67.243]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-7490a69f3e2sm6479842b3a.159.2025.06.22.14.35.11 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 22 Jun 2025 14:35:12 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1750628112; x=1751232912; darn=nongnu.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=BENvMcJ/CrRAcx3dIG/qU4Ltg1Ex80eRTSFUmTUQVxM=; b=snn7Z2HKO2RK7aWRvO3ThQ2eGH/Od6yt25U3RJCL5pT44dhoTEJ17ia54ZIUIOmSbY 3wiPZzMBishCIkA6t5LasVrV4QUBrasVOfPexCeB/L7s9IuZPaJQLhM8E/ipyj2x5rfO jvocc3n6eZu9BVM4hmtLtAl0A7jM7RClvhz21kALvmppGVXa4QEahKhn2NdG2QAhODjb FU4zKb/vTN86VbT4uaX/5cu8uGroVqlKTE3Zspo3J3fh1tYIb3m8EnbPWAOj641Gb6wa +51JRvk1At5NwfrojaUxT0DCuFF0Wbqwcyo6KWKJFkXMuDhPCJS7Os9aILficliUzb9X 8SOA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1750628112; x=1751232912; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=BENvMcJ/CrRAcx3dIG/qU4Ltg1Ex80eRTSFUmTUQVxM=; b=E7jB8neyvgevtDEecuX9JHK6eTmmDlmm1NB0o7c7kk3RNsfjAKgLt/yn2pt/oTqOzG xl/jDKE798yBsZqgga9m0ADW4W9TdkNXsRwJIOkqAxr0YWgogjE7fzEsWVefbiQo2BXx jNnpjrVTWTkIzmbMY18YfcovXqwy3K98HSRxSvLJtDzh64oFIl1kSKQm2XEXlh4ODC/w nwGEyvQ8bt1M5IKCqMPZGyBx5hMh7MMtO314/RSEw/+A+pYnTRpZXd92oLpJL1fFRDbR 93nkgxh2WmYEP3B6TWNd5WHJOc99VfI0QFbpTMzaeXoZzovdfmVts4uxJ5uqs9gmYbwY Vgig== X-Gm-Message-State: AOJu0YxXPTp13bmLlsIYpgDNH8u0cm6r1STFLpqZ8Eo7QV6Uk1iYr9sS cZO8IQXXPYy19VWMS6sMbZ8S3axM59dPwWGWfdqtfXILVAZyii7IsnW+F/iR5JyAamAiRXPQVYF wg9Sq5+U= X-Gm-Gg: ASbGnct9TS+nDjh2PRbjdtQZwvbpw2awGmzTIo8ojom0SU0OZk5T5QXgFfxQoTuoHqi o6QiLi5cHMae5OwakuXxphUKgs8b7kS5PvGZ57rK9oayF9K2mz1/8Jr4qeBbfs2VKkHgLS0xJnV qNP9l4ujTq+BmzsOu7JNKjagBs4hYrkO7xkEimmXlblUTSsymdg+tsTqjJ4Jvu+bUzaQOI09E70 X8jPgvSK8p1JcdJhQf5T8L642OLfMGAcYHpi8k1MsiHhgdmaxchNbVx9HPg6V+VBc2fIW9dlYaf JOEZT3kmaYXkS0FKb4TbmoiX3y132XK64W0uaWDVkMGGnodS9Ftd/i6YeAG0SYb7zvrlXkEheHH nQwIdM3tezXdWDQ2DYH+P X-Google-Smtp-Source: AGHT+IFu5DeUwoY0lxd4ROH38wfdULG5gOmq4L48NevPVf02WfCNdHI6cLo03xsyZHRw4H9+lxYUhQ== X-Received: by 2002:a05:6a00:4b56:b0:748:e1e4:71ec with SMTP id d2e1a72fcca58-7490da69762mr15236322b3a.12.1750628112419; Sun, 22 Jun 2025 14:35:12 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Cc: qemu-stable@nongnu.org Subject: [PATCH v2 3/3] target/arm: Fix 128-bit element ZIP, UZP, TRN Date: Sun, 22 Jun 2025 14:35:09 -0700 Message-ID: <20250622213509.277798-4-richard.henderson@linaro.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20250622213509.277798-1-richard.henderson@linaro.org> References: <20250622213509.277798-1-richard.henderson@linaro.org> 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=2607:f8b0:4864:20::42e; envelope-from=richard.henderson@linaro.org; helo=mail-pf1-x42e.google.com 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, RCVD_IN_DNSWL_NONE=-0.0001, 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+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @linaro.org) X-ZM-MESSAGEID: 1750628177248116600 Content-Type: text/plain; charset="utf-8" We missed the instructions UDEF when the vector size is too small. We missed marking the instructions non-streaming with SME. Cc: qemu-stable@nongnu.org Signed-off-by: Richard Henderson --- target/arm/tcg/translate-sve.c | 43 ++++++++++++++++++++++++---------- 1 file changed, 30 insertions(+), 13 deletions(-) diff --git a/target/arm/tcg/translate-sve.c b/target/arm/tcg/translate-sve.c index f3cf028cb9..588a5b006b 100644 --- a/target/arm/tcg/translate-sve.c +++ b/target/arm/tcg/translate-sve.c @@ -2352,6 +2352,23 @@ TRANS_FEAT(PUNPKHI, aa64_sve, do_perm_pred2, a, 1, g= en_helper_sve_punpk_p) *** SVE Permute - Interleaving Group */ =20 +static bool do_interleave_q(DisasContext *s, gen_helper_gvec_3 *fn, + arg_rrr_esz *a, int data) +{ + if (sve_access_check(s)) { + unsigned vsz =3D vec_full_reg_size(s); + if (vsz < 32) { + unallocated_encoding(s); + } else { + tcg_gen_gvec_3_ool(vec_full_reg_offset(s, a->rd), + vec_full_reg_offset(s, a->rn), + vec_full_reg_offset(s, a->rm), + vsz, vsz, data, fn); + } + } + return true; +} + static gen_helper_gvec_3 * const zip_fns[4] =3D { gen_helper_sve_zip_b, gen_helper_sve_zip_h, gen_helper_sve_zip_s, gen_helper_sve_zip_d, @@ -2361,11 +2378,11 @@ TRANS_FEAT(ZIP1_z, aa64_sve, gen_gvec_ool_arg_zzz, TRANS_FEAT(ZIP2_z, aa64_sve, gen_gvec_ool_arg_zzz, zip_fns[a->esz], a, vec_full_reg_size(s) / 2) =20 -TRANS_FEAT(ZIP1_q, aa64_sve_f64mm, gen_gvec_ool_arg_zzz, - gen_helper_sve2_zip_q, a, 0) -TRANS_FEAT(ZIP2_q, aa64_sve_f64mm, gen_gvec_ool_arg_zzz, - gen_helper_sve2_zip_q, a, - QEMU_ALIGN_DOWN(vec_full_reg_size(s), 32) / 2) +TRANS_FEAT_NONSTREAMING(ZIP1_q, aa64_sve_f64mm, do_interleave_q, + gen_helper_sve2_zip_q, a, 0) +TRANS_FEAT_NONSTREAMING(ZIP2_q, aa64_sve_f64mm, do_interleave_q, + gen_helper_sve2_zip_q, a, + QEMU_ALIGN_DOWN(vec_full_reg_size(s), 32) / 2) =20 static gen_helper_gvec_3 * const uzp_fns[4] =3D { gen_helper_sve_uzp_b, gen_helper_sve_uzp_h, @@ -2377,10 +2394,10 @@ TRANS_FEAT(UZP1_z, aa64_sve, gen_gvec_ool_arg_zzz, TRANS_FEAT(UZP2_z, aa64_sve, gen_gvec_ool_arg_zzz, uzp_fns[a->esz], a, 1 << a->esz) =20 -TRANS_FEAT(UZP1_q, aa64_sve_f64mm, gen_gvec_ool_arg_zzz, - gen_helper_sve2_uzp_q, a, 0) -TRANS_FEAT(UZP2_q, aa64_sve_f64mm, gen_gvec_ool_arg_zzz, - gen_helper_sve2_uzp_q, a, 16) +TRANS_FEAT_NONSTREAMING(UZP1_q, aa64_sve_f64mm, do_interleave_q, + gen_helper_sve2_uzp_q, a, 0) +TRANS_FEAT_NONSTREAMING(UZP2_q, aa64_sve_f64mm, do_interleave_q, + gen_helper_sve2_uzp_q, a, 16) =20 static gen_helper_gvec_3 * const trn_fns[4] =3D { gen_helper_sve_trn_b, gen_helper_sve_trn_h, @@ -2392,10 +2409,10 @@ TRANS_FEAT(TRN1_z, aa64_sve, gen_gvec_ool_arg_zzz, TRANS_FEAT(TRN2_z, aa64_sve, gen_gvec_ool_arg_zzz, trn_fns[a->esz], a, 1 << a->esz) =20 -TRANS_FEAT(TRN1_q, aa64_sve_f64mm, gen_gvec_ool_arg_zzz, - gen_helper_sve2_trn_q, a, 0) -TRANS_FEAT(TRN2_q, aa64_sve_f64mm, gen_gvec_ool_arg_zzz, - gen_helper_sve2_trn_q, a, 16) +TRANS_FEAT_NONSTREAMING(TRN1_q, aa64_sve_f64mm, do_interleave_q, + gen_helper_sve2_trn_q, a, 0) +TRANS_FEAT_NONSTREAMING(TRN2_q, aa64_sve_f64mm, do_interleave_q, + gen_helper_sve2_trn_q, a, 16) =20 /* *** SVE Permute Vector - Predicated Group --=20 2.43.0