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[2001:8b0:1d0::2]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-4318b57b051sm50104535e9.42.2024.10.25.07.13.11 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 25 Oct 2024 07:13:11 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1729865592; x=1730470392; 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=tMvryF9qkcHmjr/I6qQdi1be4a3BwpUnonGBJuEa1aE=; b=ODYsXzs2oGzg1KOhMmCailOU5vkt1bPS2TGEQXiA+TdVtyXlO5EegJGbAnpW+KMxuh Rili1Yv+mQm5aWsp72XSTnuAioIh3+zcqwP0aXwjDFRbtvOzOH0zjpvB9L7bvDs7WpXN AUfj8e7oM2JUZSA7vdrvmG5T9c0V8tPOVXv0Xey67A6eATfqM/tsw0Y3zxv7cTlFxalF mii0bzftcopxGirixt2HnIWYTTjFyCc11TtBi6m8p97oZvYgCjDPLGmXPswaoqHG5Ddj 91h2C9BsEhg7/x89ABiIfwUXd+V8I/nvpIGWeNYfFyVETbNRNcN45yCkfF3pmNAU08JH G53w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1729865592; x=1730470392; 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=tMvryF9qkcHmjr/I6qQdi1be4a3BwpUnonGBJuEa1aE=; b=vKWL7CPJ4wL7exh5LfXNDlw8fGiPLCdzcem568EAsGAdN2IjBXlXoRxkUpoVoPLnMm NWHnKOfmeB6ZFzR3l6B+iuhk6yOAya7RabvdXd7DoTpwITQb0D6kiOwGfzRSq2hT/TgS mFG0nclpTyyJLXeAwYoARL/54pQe964NDjrFN0KxKMlYoGz0CFh2IOvJjJgctSStpAZn 7ZozidvmZsb/Mh8QmgdMVkzwANP8i/SO1pB2PGCzd1s7Mxqjg21y8CGu9X+CwcfWYvH7 bOwTgejWIflce0MeBcOgn4blSbpEgcMA2R/fhVuyL92qNIfWOsBEGyFLUgL8t0vWoKoP vFEA== X-Forwarded-Encrypted: i=1; AJvYcCXSpcpcq/E8ZQqTCiGvBkzref6jLugofI34lmZkUF/R7YivpRbHzqL6dw8qJNs/YHKEZGSbjUoAByf+@nongnu.org X-Gm-Message-State: AOJu0YyQxGNeQwS3zg9alFRrKLEa3iHqHwh4UDFMGmfjZtJZE5QA8Vmn pVJHRwj7PnEyCJBL6pd8/FqEBkRGRo1FnTLa86iIoev6pXAbn8gVLvGlC/GV37I= X-Google-Smtp-Source: AGHT+IHxNq6/vkQ2TaPaeuuAkFK4+FFHuybPNerZNA0H29NUQ0TotXUp+CFWvnyAmdoq+Iu4Dr5CZg== X-Received: by 2002:a05:600c:19c6:b0:431:4fa0:2e0b with SMTP id 5b1f17b1804b1-4318c754b24mr47132065e9.28.1729865591969; Fri, 25 Oct 2024 07:13:11 -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 18/21] target/microblaze: Explicitly set 2-NaN propagation rule Date: Fri, 25 Oct 2024 15:12:51 +0100 Message-Id: <20241025141254.2141506-19-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: 1729865644587116600 Content-Type: text/plain; charset="utf-8" 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 --- 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