From nobody Sat Nov 23 20:44:50 2024 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=1729865696; cv=none; d=zohomail.com; s=zohoarc; b=msLvipuNwiGJrA37QJmfU+EzQ5+V3TVQkG9v4ZR65qlDCDVvP1mVQLmWEUYnBVjhuvyrEHqf4xujEOxcw5oGIl/Z1yyMU+LfzTdmtEb1ILdrWZ68dgq+jkEtm/6sACbPNnx5zRdzfX7UW3Cg59UM4LZ1LOT2Eub0Ka4rR545OOk= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1729865696; 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=E/5hJDm1PODLj3BAsIJIpQ+juZ5PqFngoiMdJEv0hac=; b=BkXIW8oN2o3uGyrlyA5Xba00F/KxYBvLU3CylUj6rvPf+FHn7wbi3gpUqEkng+1Bxloy9OaZkO3KXcKS6qAUGZ3Bt2AB6WJnCciLKuAWXfJKWfKG0XwRk/PQ4HIywA49/PTIGJk1IlPYXfqsDnj2yP4mR2+3xAAOOrY0bufjkgg= 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 1729865695965182.1910742319683; Fri, 25 Oct 2024 07:14:55 -0700 (PDT) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1t4L4B-0004Pe-JD; Fri, 25 Oct 2024 10:13:27 -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 1t4L43-0004Fw-AK for qemu-devel@nongnu.org; Fri, 25 Oct 2024 10:13:19 -0400 Received: from mail-wm1-x32d.google.com ([2a00:1450:4864:20::32d]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1t4L3u-0007s9-3t for qemu-devel@nongnu.org; Fri, 25 Oct 2024 10:13:19 -0400 Received: by mail-wm1-x32d.google.com with SMTP id 5b1f17b1804b1-4315f24a6bbso20447695e9.1 for ; Fri, 25 Oct 2024 07:13:09 -0700 (PDT) Received: from orth.archaic.org.uk (orth.archaic.org.uk. [2001:8b0:1d0::2]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-4318b57b051sm50104535e9.42.2024.10.25.07.13.07 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 25 Oct 2024 07:13:08 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1729865588; x=1730470388; 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=E/5hJDm1PODLj3BAsIJIpQ+juZ5PqFngoiMdJEv0hac=; b=iGqzg3SGOcUBSb+jS5N/ka49+o0NzhSKJbFBct29sn1YiHgr9TSVZ2rZfMEHqLncIG OH1IKB/4rBMqTux9/E7xFfwBGDj6uVzN+nJ0hOl4tyObJAiFDl7/Y+rU4PTqYCbr5YQ6 veRiXQloO9kh2o4VI8511uRmDhWo0ha86aVn4t00FWCZ3/Nmiftumo8WrDwt9QFRCzOC 0yusKc4avkLprT4u+CrLubuOkzvK4wMPqIQL6RHt2vi0oj0sl4+8zyS5vpuI7IUXqGfO NhrpJ4qhUXLEKFwVp+zsa+D5zGEplIfhjOerWk3Om4Q6AtnWJdxShMrOjnpLKz3YMZKt G6cw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1729865588; x=1730470388; 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=E/5hJDm1PODLj3BAsIJIpQ+juZ5PqFngoiMdJEv0hac=; b=iL9n/9c4K6T98TbEa1UIQnLiB9i97935ekBrUUNXo8PkvzDlRSv4OfB68KldyPLW+V K9E3NyWtrXv8zXnMjcqkXhfkzOuykBCFz30ui3sTkPuqrwlLvsNQl4pcIA8ckJwdS482 3eSAE6dWce/oaD+uKlplwW4I7TmAvEmLbWZnivtf1YDy0MnD2bENhyhzvWz/pOPMUllz kw0zgHIQzD2bQ4dPT5khXp11ORaa0lzp1s8dGzhM0rwtmkEFiGHur4s0zED3+JOkpZgw xMSj2L5iPQXYLVjCG7x1RmDaqpF8B0uLgDRC5+oHV3y6y4tj+Yd3TdwRF9UTht0n/s0j HAig== X-Forwarded-Encrypted: i=1; AJvYcCWIAj0+aoSxkWDLClvE8jx8PuUhb8M1Lff0Bet8koTc4dNfus2/6kQR2ZRKnn0QHnMFAiK8K/HeevtT@nongnu.org X-Gm-Message-State: AOJu0YzgertamRzUXR9+VGJSU2gK83IKqjgBNjFOu+WjTEkUERqPdMS0 4bwVZKb00RDwyx3TZtSCFzcRuhYt9Z19hugrow7HZ32PX9pZ4UMzN39iPKZ7fyA= X-Google-Smtp-Source: AGHT+IFtr8tPLlxe4AzE9S1JUVvrPqyWHnFA5MwdtS48wd3RFQvCTT4NKQGzOSE7PL2RdlkvdzSAaw== X-Received: by 2002:a05:600c:5011:b0:430:54a4:5b03 with SMTP id 5b1f17b1804b1-4318c6e0175mr46337875e9.6.1729865588576; Fri, 25 Oct 2024 07:13:08 -0700 (PDT) From: Peter Maydell To: qemu-arm@nongnu.org, qemu-devel@nongnu.org Cc: =?UTF-8?q?Alex=20Benn=C3=A9e?= , Richard Henderson , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Song Gao , Eduardo Habkost , "Edgar E. Iglesias" , Jiaxun Yang , Aleksandar Rikalo , Stafford Horne , Nicholas Piggin , Daniel Henrique Barboza , Yoshinori Sato , David Hildenbrand , Ilya Leoshkevich , Thomas Huth , Mark Cave-Ayland , Artyom Tarasenko , Max Filippov , qemu-ppc@nongnu.org, qemu-s390x@nongnu.org Subject: [PATCH 14/21] target/xtensa: Explicitly set 2-NaN propagation rule Date: Fri, 25 Oct 2024 15:12:47 +0100 Message-Id: <20241025141254.2141506-15-peter.maydell@linaro.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20241025141254.2141506-1-peter.maydell@linaro.org> References: <20241025141254.2141506-1-peter.maydell@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=2a00:1450:4864:20::32d; envelope-from=peter.maydell@linaro.org; helo=mail-wm1-x32d.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: 1729865696700116600 Content-Type: text/plain; charset="utf-8" Set the NaN propagation rule explicitly in xtensa_use_first_nan(). (When we convert the softfloat pickNaNMulAdd routine to also select a NaN propagation rule at runtime, we will be able to remove the use_first_nan flag because the propagation rules will handle everything.) Signed-off-by: Peter Maydell Reviewed-by: Max Filippov Reviewed-by: Philippe Mathieu-Daud=C3=A9 Reviewed-by: Richard Henderson --- target/xtensa/fpu_helper.c | 2 ++ fpu/softfloat-specialize.c.inc | 12 +----------- 2 files changed, 3 insertions(+), 11 deletions(-) diff --git a/target/xtensa/fpu_helper.c b/target/xtensa/fpu_helper.c index 50a5efa65e2..f2d212d05df 100644 --- a/target/xtensa/fpu_helper.c +++ b/target/xtensa/fpu_helper.c @@ -60,6 +60,8 @@ static const struct { void xtensa_use_first_nan(CPUXtensaState *env, bool use_first) { set_use_first_nan(use_first, &env->fp_status); + set_float_2nan_prop_rule(use_first ? float_2nan_prop_ab : float_2nan_p= rop_ba, + &env->fp_status); } =20 void HELPER(wur_fpu2k_fcr)(CPUXtensaState *env, uint32_t v) diff --git a/fpu/softfloat-specialize.c.inc b/fpu/softfloat-specialize.c.inc index 8bc95187178..b050c5eb04a 100644 --- a/fpu/softfloat-specialize.c.inc +++ b/fpu/softfloat-specialize.c.inc @@ -405,18 +405,8 @@ static int pickNaN(FloatClass a_cls, FloatClass b_cls, || defined(TARGET_TRICORE) || defined(TARGET_ARM) || defined(TARGET_MI= PS) \ || defined(TARGET_LOONGARCH64) || defined(TARGET_HPPA) \ || defined(TARGET_S390X) || defined(TARGET_PPC) || defined(TARGET_M68K= ) \ - || defined(TARGET_SPARC) + || defined(TARGET_SPARC) || defined(TARGET_XTENSA) g_assert_not_reached(); -#elif defined(TARGET_XTENSA) - /* - * Xtensa has two NaN propagation modes. - * Which one is active is controlled by float_status::use_first_na= n. - */ - if (status->use_first_nan) { - rule =3D float_2nan_prop_ab; - } else { - rule =3D float_2nan_prop_ba; - } #else rule =3D float_2nan_prop_x87; #endif --=20 2.34.1