Message ID | 20210516123431.718318-14-richard.henderson@linaro.org |
---|---|
State | New |
Headers | show
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[189.204.200.163]) by smtp.gmail.com with ESMTPSA id s5sm8500553qkg.88.2021.05.16.05.34.43 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 16 May 2021 05:34:43 -0700 (PDT) From: Richard Henderson <richard.henderson@linaro.org> To: qemu-devel@nongnu.org Subject: [PULL 13/46] target/mips: Set set_default_nan_mode with set_snan_bit_is_one Date: Sun, 16 May 2021 07:33:58 -0500 Message-Id: <20210516123431.718318-14-richard.henderson@linaro.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210516123431.718318-1-richard.henderson@linaro.org> References: <20210516123431.718318-1-richard.henderson@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=2607:f8b0:4864:20::731; envelope-from=richard.henderson@linaro.org; helo=mail-qk1-x731.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: 2.1.23 Precedence: list List-Id: <qemu-devel.nongnu.org> List-Unsubscribe: <https://lists.nongnu.org/mailman/options/qemu-devel>, <mailto:qemu-devel-request@nongnu.org?subject=unsubscribe> List-Archive: <https://lists.nongnu.org/archive/html/qemu-devel> List-Post: <mailto:qemu-devel@nongnu.org> List-Help: <mailto:qemu-devel-request@nongnu.org?subject=help> List-Subscribe: <https://lists.nongnu.org/mailman/listinfo/qemu-devel>, <mailto:qemu-devel-request@nongnu.org?subject=subscribe> Cc: peter.maydell@linaro.org, =?utf-8?q?Alex_Benn=C3=A9e?= <alex.bennee@linaro.org>, David Hildenbrand <david@redhat.com> Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" <qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org> |
Series |
[PULL,01/46] qemu/host-utils: Use __builtin_bitreverseN
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diff --git a/target/mips/fpu_helper.h b/target/mips/fpu_helper.h index 1c2d6d35a7..ad1116e8c1 100644 --- a/target/mips/fpu_helper.h +++ b/target/mips/fpu_helper.h @@ -27,8 +27,14 @@ static inline void restore_flush_mode(CPUMIPSState *env) static inline void restore_snan_bit_mode(CPUMIPSState *env) { - set_snan_bit_is_one((env->active_fpu.fcr31 & (1 << FCR31_NAN2008)) == 0, - &env->active_fpu.fp_status); + bool nan2008 = env->active_fpu.fcr31 & (1 << FCR31_NAN2008); + + /* + * With nan2008, SNaNs are silenced in the usual way. + * Before that, SNaNs are not silenced; default nans are produced. + */ + set_snan_bit_is_one(!nan2008, &env->active_fpu.fp_status); + set_default_nan_mode(!nan2008, &env->active_fpu.fp_status); } static inline void restore_fp_status(CPUMIPSState *env)