From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pg1-x532.google.com (mail-pg1-x532.google.com [IPv6:2607:f8b0:4864:20::532]) by sourceware.org (Postfix) with ESMTPS id F077F3857011 for ; Wed, 18 Nov 2020 03:35:54 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.3.2 sourceware.org F077F3857011 Authentication-Results: sourceware.org; dmarc=none (p=none dis=none) header.from=sifive.com Authentication-Results: sourceware.org; spf=pass smtp.mailfrom=kito.cheng@sifive.com Received: by mail-pg1-x532.google.com with SMTP id t21so250399pgl.3 for ; Tue, 17 Nov 2020 19:35:54 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sifive.com; s=google; h=from:to:subject:date:message-id:reply-to:mime-version :content-transfer-encoding; bh=zSr4EO5kb5xZM79Yu0S0GY7/treyY20yLD+XKEHnNJc=; b=ms+xUbGXnk56RBgIlrBf+zgdCwX/vN9KVTo8TzhFCWXzH5+2O6AxFomdi6p6nAA5NO Xo/3bEXIsmuFvxGz96VxcYu4nJnAuMyq71sbyPlCCbbevdKUABo8BL6LF61wk/8K9BfT jxHFTUQ2SgSNtSCyPE2tBHM4Nmqlyp4/l/N0K7LizMdaLPqQm44iblTKuNRY7fx2pQYZ 59eP0WHW4QQ6RapInd/AKKMvdZBc5IXC42LlpIKrRIqN3Oetktz5+hUiLdIfsoRDnIvB sU4aQKiwuKYchLa7qfq1gZC0kwpkjYkDklkfFcEloYbgudCfkHvk8+R/ZyNqUb9WUvyt 3fkw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:subject:date:message-id:reply-to :mime-version:content-transfer-encoding; bh=zSr4EO5kb5xZM79Yu0S0GY7/treyY20yLD+XKEHnNJc=; b=GaSe3iDCwOfmMon/MkexioqGpwpnj8w+jOvAH92iS0IiPrr/3MsTbT4hOeBxrPbb1u YUJg+IIiVDiPVbkyV+ra1f77koGbYmQ8tGxUZbKDd1Ds+fZMghibmY7805wcULIbAflZ z8NtjFy/p//e7Pz3oNFA0raLNNXMWw/6nAdFiaO2GDw1JYi5QTKFxmym6aZBLaYnYJkS RPDwToQEt5RgwwOWNT3TfNh4Y9e9KzbQnDfVhHq+EN9VN0vgxoL/PznYLsGSEilEOBZ+ REk4/PUPm2bOuY1WnS4E0QuZFO82/UuLYnKnFPsrruh86PFjjQY8pttI1FdwUNdetyUW zXAA== X-Gm-Message-State: AOAM530SsaV9aeHMl+VuAtxIRgUK9zejx1AZfjmN9cnDyIS0fK0DlviD NZ/7aOT3py+aZZt9YzKOpxl+NwVf9CPwUzen X-Google-Smtp-Source: ABdhPJxHvIjjdHZqlak5V3FimTiL6dwk4CIFCWB5+mblUyGH3+tvNGxfs/qQipVm2rbDBWyZjIX21g== X-Received: by 2002:a63:3111:: with SMTP id x17mr6236479pgx.329.1605670553790; Tue, 17 Nov 2020 19:35:53 -0800 (PST) Received: from hsinchu02.internal.sifive.com (114-34-229-221.HINET-IP.hinet.net. [114.34.229.221]) by smtp.gmail.com with ESMTPSA id p19sm581836pjv.32.2020.11.17.19.35.52 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 17 Nov 2020 19:35:53 -0800 (PST) From: Kito Cheng To: newlib@sourceware.org Subject: RISC-V: Implement more machine-specific for libm Date: Wed, 18 Nov 2020 11:35:40 +0800 Message-Id: <20201118033543.74968-1-kito.cheng@sifive.com> X-Mailer: git-send-email 2.29.2 Reply-To: Kito Cheng MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Spam-Status: No, score=-8.0 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 autolearn=ham autolearn_force=no version=3.4.2 X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on server2.sourceware.org X-BeenThere: newlib@sourceware.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Newlib mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 18 Nov 2020 03:35:56 -0000 This patch set has implement more machine-specific for libm with F/D extension, most can be done with one instruction, verified on rv32im, rv32imaf, rv32imafd+ilp32, rv32imafd+ilp32d, rv64im, rv64imaf, rv64gc+lp64 rv64gc+lp64d.