From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pj1-x1033.google.com (mail-pj1-x1033.google.com [IPv6:2607:f8b0:4864:20::1033]) by sourceware.org (Postfix) with ESMTPS id 72F153858C53 for ; Wed, 10 Aug 2022 15:44:29 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.1 sourceware.org 72F153858C53 Authentication-Results: sourceware.org; dmarc=none (p=none dis=none) header.from=sifive.com Authentication-Results: sourceware.org; spf=pass smtp.mailfrom=sifive.com Received: by mail-pj1-x1033.google.com with SMTP id a8so15126084pjg.5 for ; Wed, 10 Aug 2022 08:44:29 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sifive.com; s=google; h=content-transfer-encoding:mime-version:message-id:date:subject:to :from:from:to:cc; bh=Q+N5egh6E2jTKJ3Vt0mqC/wluHG2aCvDyDFmzysRXbw=; b=B+vsv3Iam62Ri3zaNj+oGA0OhSZIoo3LoGhtsjvWnrnqKD/HidBf6Bap9nsWoHi/8q zQhndKWKWOdCE6Pgm2SbLBD1qK01S8a839WGu53jVtB4I6xab5JEgnrCy/gK5xSOfb4K zVoW/AjpPHAF4U3sAq1upBGmRG996RdT3dO4Vt6u3LafNaLBgC1A7EBzGfu0cY9CPyEb 2ky9GRLhCZ9EeNXOuw52LZzxgHnE4Z9xdqbceIhCfHGd72EuQwkWuO9QVVZ64mX/T84S OD837Po8nv5jLQMD7rfK8rQ1K5mmlzleKDf0MiEYuzm/iJvhtLBMJQJEqkVHSCdrOdNE uU+w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:mime-version:message-id:date:subject:to :from:x-gm-message-state:from:to:cc; bh=Q+N5egh6E2jTKJ3Vt0mqC/wluHG2aCvDyDFmzysRXbw=; b=iHdeKbTA4aE76k8r63mxqxRTJcdbsG98gZJlBhBxAgIPdbf6YaeyW4T+qeyXHRHsZe qYYN1vOIt76TsFDQVzJ9Yf0T8Ko4MrGqe2QcMCK/5ZnQ3BJ96FTbUW+6ufaVLUhSyA5T EEzQh7Hki8kKfPBc5jF4ooekeNKervnn1Ncfp7OdFh7L921E+NZaS1ClOLS93g1hGg11 poJQvhKbBORf1uPV/zU3i4YY3aSz45+bsAsG1Dsdf/IicJLBOEEp3sNw6XYjTXvGdO0b D2x4dAaRxB0+DPdxgjvZWiS4UcPVLRS/JVpLIqeu0TcmjFkxT4ANypP/7st3LGdX+kXf GjPA== X-Gm-Message-State: ACgBeo1x2r1F6i0lMETwvvJkYVj/jzEoO07sEQoN3UHN/IDBgrrazS+F x74+hLARmgfuo9NLOgMoMPLTrIeZ03Nsfw== X-Google-Smtp-Source: AA6agR68/GzWy4wUdesqAJ9aBZgDe4gMdLw8sqjweIVR9qCKROqJZS2uRb5UZLFpTkXTh0tbjnwfyw== X-Received: by 2002:a17:90a:590e:b0:1f1:afeb:996 with SMTP id k14-20020a17090a590e00b001f1afeb0996mr4236722pji.205.1660146268191; Wed, 10 Aug 2022 08:44:28 -0700 (PDT) Received: from hsinchu02.internal.sifive.com (59-124-168-89.hinet-ip.hinet.net. [59.124.168.89]) by smtp.gmail.com with ESMTPSA id t17-20020a170902e1d100b0016d8b0dfd61sm12926896pla.178.2022.08.10.08.44.26 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 10 Aug 2022 08:44:27 -0700 (PDT) From: Kito Cheng To: gcc-patches@gcc.gnu.org, kito.cheng@gmail.com, jim.wilson.gcc@gmail.com, palmer@dabbelt.com, andrew@sifive.com, juzhe.zhong@rivai.ai, joseph@codesourcery.com Subject: [PATCH 0/2] RISC-V: Support _Float16 type and implement zfh and zfhmin extension Date: Wed, 10 Aug 2022 23:44:21 +0800 Message-Id: <20220810154423.100994-1-kito.cheng@sifive.com> X-Mailer: git-send-email 2.37.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Spam-Status: No, score=-7.2 required=5.0 tests=BAYES_00, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, DKIM_VALID_EF, RCVD_IN_DNSWL_NONE, SPF_HELO_NONE, SPF_PASS, TXREP, T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on server2.sourceware.org X-BeenThere: gcc-patches@gcc.gnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Gcc-patches mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 10 Aug 2022 15:44:32 -0000 This patch set implements Zfh and Zfhmin, adds soft-float for _Float16, and enables _Float16 type in C++ mode. Zfh and Zfhmin are extensions for IEEE half precision, both are ratified in Jan. 2022[1] v2 Changes: Fix mangling for C++ mode to fit the RISC-V psABI spec. [1] https://github.com/riscv/riscv-isa-manual/commit/b35a54079e0da11740ce5b1e6db999d1d5172768