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[2001:8b0:1d0::2]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-432a3688813sm16354555e9.1.2024.11.05.03.19.47 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 05 Nov 2024 03:19:47 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1730806050; x=1731410850; darn=nongnu.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:to:from:from:to:cc:subject:date:message-id :reply-to; bh=B9iPPGInxZFEJeivG1/w0WhkOP2pUxlITSIJKqo2Kuc=; b=GK0tnZQnTpvnX9vPYj2PH43AIf20eEaqUsfox6UPpfojp9NrSOuKq3M5m/VoZKiLxj na2M1fuPqLe78u6TqQ4t/Wgfloj+Pvzamrz/HT8qvsU0t4zgLelw6ApO02b1vTrhfNxo L804kMPK7VzIlgH7fcyHnVPLf/CQW1LFnDq9VqTYuLDdNCw6hRC8nE0gy5EcvWyAyYAv haO3kAZITXYGrxoDTT/ULhanYE1mcytWMpnqktca0+LWJFky6LsurqjrVNqUrFo5JYYN /ulBoT3wj8nFVeUi6W8RF6RsSXISgK0mlDl72xsrZxVRuRuae0DJyLJ+dH/HEXN/7/5s Ic+A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1730806050; x=1731410850; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=B9iPPGInxZFEJeivG1/w0WhkOP2pUxlITSIJKqo2Kuc=; b=pWtR6IaTODbPFuS+2GKbdTmuuW1I+MUXWNWWdUZwtDBvA27OOHaHsdPwAc+n8QPy14 WjfCEOgKUpg7kh1Nu/yBXfABu4ui+fhTpF9YI6gtdEYP6gxLSfluIbn+HMHeISlsZ/UE ocnYM7CiBID9n4hibeShnzEa67tW92BwIEZmfFiXsEZL47TJBOAI7Kq2IIZs6ssl/Mh/ 3ylipe84tWzbKDuVjOo7dtnLk1T2ad9VID2mVlKsOpbeHqxm8yH8PhvAD4Ah1CP9vn3G 2Zp1H5hpXiF0mtsQdJuwkufExQm76DtgvnPJrMWnsSmJ5z7LEpA0ZpVJNr+3QRQn5mv+ b+2g== X-Gm-Message-State: AOJu0YzQNWtZIaXxvbioiNOYZDueY+G04TyoKMDCE4gE+dCj2p8p0rZ4 cFDa37FNbpJAjB7sesOVc966wKdgxl6RcRZqWdqUVbzJ2wTH2npZURGFuvMyc09Nnlp2Z9Hwu3h S X-Google-Smtp-Source: AGHT+IEn6E7yXEFj50GjefAMjWW/EWcA6sBtcmsJNc9vIQ27FsBd8LCo3FK8/BGcqbS+yVLgSwCTGQ== X-Received: by 2002:a05:600c:46c8:b0:42c:b905:2bf9 with SMTP id 5b1f17b1804b1-4319acb17a9mr329518575e9.16.1730805587592; Tue, 05 Nov 2024 03:19:47 -0800 (PST) From: Peter Maydell To: qemu-devel@nongnu.org Subject: [PULL 18/31] target/microblaze: Explicitly set 2-NaN propagation rule Date: Tue, 5 Nov 2024 11:19:22 +0000 Message-Id: <20241105111935.2747034-19-peter.maydell@linaro.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20241105111935.2747034-1-peter.maydell@linaro.org> References: <20241105111935.2747034-1-peter.maydell@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" 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::630; envelope-from=peter.maydell@linaro.org; helo=mail-ej1-x630.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: 1730806073092116600 Set the NaN propagation rule explicitly for the float_status word used in the microblaze target. This is probably not the architecturally correct behaviour, but since this is a no-behaviour-change patch, we leave a TODO note to that effect. Signed-off-by: Peter Maydell Reviewed-by: Philippe Mathieu-Daud=C3=A9 Reviewed-by: Richard Henderson Message-id: 20241025141254.2141506-19-peter.maydell@linaro.org --- target/microblaze/cpu.c | 5 +++++ fpu/softfloat-specialize.c.inc | 3 ++- 2 files changed, 7 insertions(+), 1 deletion(-) diff --git a/target/microblaze/cpu.c b/target/microblaze/cpu.c index 6329a774331..14286deead9 100644 --- a/target/microblaze/cpu.c +++ b/target/microblaze/cpu.c @@ -202,6 +202,11 @@ static void mb_cpu_reset_hold(Object *obj, ResetType t= ype) env->pc =3D cpu->cfg.base_vectors; =20 set_float_rounding_mode(float_round_nearest_even, &env->fp_status); + /* + * TODO: this is probably not the correct NaN propagation rule for + * this architecture. + */ + set_float_2nan_prop_rule(float_2nan_prop_x87, &env->fp_status); =20 #if defined(CONFIG_USER_ONLY) /* start in user mode with interrupts enabled. */ diff --git a/fpu/softfloat-specialize.c.inc b/fpu/softfloat-specialize.c.inc index a5c3e2b8de5..40cbb1ab73b 100644 --- a/fpu/softfloat-specialize.c.inc +++ b/fpu/softfloat-specialize.c.inc @@ -406,7 +406,8 @@ static int pickNaN(FloatClass a_cls, FloatClass b_cls, || defined(TARGET_LOONGARCH64) || defined(TARGET_HPPA) \ || defined(TARGET_S390X) || defined(TARGET_PPC) || defined(TARGET_M68K= ) \ || defined(TARGET_SPARC) || defined(TARGET_XTENSA) \ - || defined(TARGET_I386) || defined(TARGET_ALPHA) + || defined(TARGET_I386) || defined(TARGET_ALPHA) \ + || defined(TARGET_MICROBLAZE) g_assert_not_reached(); #else rule =3D float_2nan_prop_x87; --=20 2.34.1