From nobody Sat Apr 5 17:58:19 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=1738114817; cv=none; d=zohomail.com; s=zohoarc; b=jJTgYr57BB30HIeB7l8y/PpIAG5QUqqpqFWEbRAESogookmeJPGHaNrPvcppwMBkojL/VkJcl0lq1mThu8RdKM8/VmXJ5OKOrd9W60LxzjUzlEmM21TSWFO8wbxNeQIe39u3m6n4TFivvVY0Ozy/WLHDffyHfWCgTxdAsiE3Cfk= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1738114817; 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=HYl4PCTFZMV0eYLHMXpsl9mxtIOIi9P6hK3LvJJsFQ8=; b=KrabHkNWffFBIO1csZPxISvsnghhhzVQfBA6OYvCmTOoUNRi6ZW3i1Dy8GpQ+TJRZ28xqT4AyZACmdUuEBryMxM60UbFR55J2JkjW+VlHIzFA1msQytG3ghOTnDPDXM23/nWa2MQc1I+yQpyKJjxs+lx4n0N+P5aZMbBdSVjJgo= 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 173811481753693.26126624145161; Tue, 28 Jan 2025 17:40:17 -0800 (PST) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1tcx3C-00010s-Nc; Tue, 28 Jan 2025 20:39:30 -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 1tcx34-0000xN-V2 for qemu-devel@nongnu.org; Tue, 28 Jan 2025 20:39:22 -0500 Received: from mail-pl1-x634.google.com ([2607:f8b0:4864:20::634]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1tcx33-0003bL-5D for qemu-devel@nongnu.org; Tue, 28 Jan 2025 20:39:22 -0500 Received: by mail-pl1-x634.google.com with SMTP id d9443c01a7336-21669fd5c7cso112548345ad.3 for ; Tue, 28 Jan 2025 17:39:20 -0800 (PST) Received: from stoup.. (71-212-32-190.tukw.qwest.net. [71.212.32.190]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-21da3ea4200sm89341745ad.88.2025.01.28.17.39.19 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 28 Jan 2025 17:39:19 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1738114760; x=1738719560; 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=HYl4PCTFZMV0eYLHMXpsl9mxtIOIi9P6hK3LvJJsFQ8=; b=Vztsb0sfpaA1e+hIGwBC4c4OJATh2qmGOJkxdgk/+glzzasorDrGPGWG5syVKUxs0k hkS4ZVyHD8g91rOm4vtFgoarOOLaokcJ5ydnmF/q4eaMbiWTplEm/TNjBg26ppf+CCLb zLNbrW5CPRuaKeuppaRUmBzacwX7fROeIRcgGHmj1IDffLaLTbq2T4jNtb+EITkU5sDO A1rvPMTruCAwdCO9CvzuaZKAOMWBeREs+cyh63H/7uw/qoedt8eb6JrLd8HT5cdeov3l T0/QqxE0reuaGerTk0Ux564ZnbxWwd3jQKhiOZ1wmxc0NGpI7jviNvy1pZ21+U7W0Qbf WOQg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1738114760; x=1738719560; 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=HYl4PCTFZMV0eYLHMXpsl9mxtIOIi9P6hK3LvJJsFQ8=; b=eLh2bTOlZHS3kLPNdzP6PWWf1gJVGqvR14HnUXXuYlr00a2mp0UI8pd3o/DMARZ1/E a0QM4j0lN8qd/14KWasby2hBovQ/OpzQniqw+2fPF+Hrg4x4YZztIzwIjoLGkJCTSmh8 /6KLyrgrs6Js8OF7SSwYSTditF0GUNZJEvgyQ7F2RGkeWW6rWnFKE1qI/xQOAfthkcta 9bPIkMs+eA9WZBCdvaqh0BcDC+VTRh004T0YCztV6rC+EF8e+eQ1AD36n9aA0LXexM7f N4hS45FBI7Tyh5HF6ZhLhnG8xDwHOmzbbPw2oQ6IiRJdky4xpekWWMB1cwZOGQheF+Iw ULTQ== X-Gm-Message-State: AOJu0YwWttD8UpXKAmMrkJHzIdrlJs/mqGYhvK4NKmEMYLoSO5yZXgpR hGIohUBTS4rtgvwH+C5S5rfosqfvWlsuBdR7a5bZCd5zhSsIwScWsc3zqFjICP6gFrZNKjHW+cF K X-Gm-Gg: ASbGncsiosTgVWZ/L8YOdkEEp1ccDIGz0WSsaII8RTEQL6HeZi5jfEwze5L6PpkXB9p tQ3Oksiv/Z0F4LKMxMpUeE7+TXmcVyx22qB4gD20tfLoxrNJswU31jVRwcvDgHTdHg8dzxANdLk kgzZ6zocXLUkBGKtgozMgYixjKKYTSNtTJSNceJuMErqASi+sWZ1LXTFxvY41ZpxxWUzCYz5iLv +SnCdPH36mpaHG94XdpVttJ+OknpctTVUnfjiCeRowlZqe9fEhGAAMZOzhND4RKW5eu9WtAt27W L+EExp2Aj8evu+GtwdsH7ntzoqqHFaaWwJAOKzRWgP/aEwDbEw== X-Google-Smtp-Source: AGHT+IHE7+Sgjq3k6s5TvGGTonU4ukpF/BjSxEmU4iJ/MMHjPGkV6yXPRVlgRktHgGgjspEbXsWhBA== X-Received: by 2002:a17:902:d54d:b0:215:e98c:c5b5 with SMTP id d9443c01a7336-21dd7c356d3mr23463675ad.1.1738114759883; Tue, 28 Jan 2025 17:39:19 -0800 (PST) From: Richard Henderson To: qemu-devel@nongnu.org Cc: peter.maydell@linaro.org Subject: [PATCH v2 31/34] target/arm: Handle FPCR.AH in sve2_fmlal_zzxw_s Date: Tue, 28 Jan 2025 17:38:54 -0800 Message-ID: <20250129013857.135256-32-richard.henderson@linaro.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20250129013857.135256-1-richard.henderson@linaro.org> References: <20250129013857.135256-1-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::634; envelope-from=richard.henderson@linaro.org; helo=mail-pl1-x634.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, T_SCC_BODY_TEXT_LINE=-0.01 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: 1738114819686019000 Content-Type: text/plain; charset="utf-8" Signed-off-by: Richard Henderson --- target/arm/tcg/vec_helper.c | 15 ++++++++++++--- 1 file changed, 12 insertions(+), 3 deletions(-) diff --git a/target/arm/tcg/vec_helper.c b/target/arm/tcg/vec_helper.c index 9b14885ef2..c716bd774a 100644 --- a/target/arm/tcg/vec_helper.c +++ b/target/arm/tcg/vec_helper.c @@ -2252,23 +2252,32 @@ void HELPER(sve2_fmlal_zzxw_s)(void *vd, void *vn, = void *vm, void *va, CPUARMState *env, uint32_t desc) { intptr_t i, j, oprsz =3D simd_oprsz(desc); - uint16_t negn =3D extract32(desc, SIMD_DATA_SHIFT, 1) << 15; + bool is_s =3D extract32(desc, SIMD_DATA_SHIFT, 1); intptr_t sel =3D extract32(desc, SIMD_DATA_SHIFT + 1, 1) * sizeof(floa= t16); intptr_t idx =3D extract32(desc, SIMD_DATA_SHIFT + 2, 3) * sizeof(floa= t16); float_status *status =3D &env->vfp.fp_status[FPST_A64]; bool fz16 =3D get_flush_inputs_to_zero(&env->vfp.fp_status[FPST_A64_F1= 6]); + int negx =3D 0, negf =3D 0; + + if (is_s) { + if (env->vfp.fpcr & FPCR_AH) { + negf =3D float_muladd_negate_product; + } else { + negx =3D 0x8000; + } + } =20 for (i =3D 0; i < oprsz; i +=3D 16) { float16 mm_16 =3D *(float16 *)(vm + i + idx); float32 mm =3D float16_to_float32_by_bits(mm_16, fz16); =20 for (j =3D 0; j < 16; j +=3D sizeof(float32)) { - float16 nn_16 =3D *(float16 *)(vn + H1_2(i + j + sel)) ^ negn; + float16 nn_16 =3D *(float16 *)(vn + H1_2(i + j + sel)) ^ negx; float32 nn =3D float16_to_float32_by_bits(nn_16, fz16); float32 aa =3D *(float32 *)(va + H1_4(i + j)); =20 *(float32 *)(vd + H1_4(i + j)) =3D - float32_muladd(nn, mm, aa, 0, status); + float32_muladd(nn, mm, aa, negf, status); } } } --=20 2.43.0