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[8.43.85.97]) by mx.google.com with ESMTPS id e18-20020a50fb92000000b00522307bf422si11395384edq.467.2023.08.02.23.00.22 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 02 Aug 2023 23:00:22 -0700 (PDT) Received-SPF: pass (google.com: domain of binutils-bounces+ouuuleilei=gmail.com@sourceware.org designates 8.43.85.97 as permitted sender) client-ip=8.43.85.97; Authentication-Results: mx.google.com; dkim=pass header.i=@sourceware.org header.s=default header.b=O4VLPGjD; spf=pass (google.com: domain of binutils-bounces+ouuuleilei=gmail.com@sourceware.org designates 8.43.85.97 as permitted sender) smtp.mailfrom="binutils-bounces+ouuuleilei=gmail.com@sourceware.org"; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=sourceware.org Received: from server2.sourceware.org (localhost [IPv6:::1]) by sourceware.org (Postfix) with ESMTP id B96903858D20 for ; Thu, 3 Aug 2023 06:00:21 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org B96903858D20 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sourceware.org; s=default; t=1691042421; bh=AYVtuutp4i9DGSovo0F+cFrGu5rzWoiW5oxQPYDjuY4=; h=To:Cc:Subject:Date:List-Id:List-Unsubscribe:List-Archive: List-Post:List-Help:List-Subscribe:From:Reply-To:From; b=O4VLPGjDPQfXNE2DS7RBjNQtkYr5fGgVwEFUVkTg0XsJaUnAQ7th2BVv+pg9PZ7W/ pEGSdHPPNBQM4oUdCeky+OAGt/koHOwmUxb2okIW4pdxwDR/SfOKxJQMbxMiyC2wi7 ig39BCP/3y7TJ15SB61wswWh2mNEy2I2NCP5LCn4= X-Original-To: binutils@sourceware.org Delivered-To: binutils@sourceware.org Received: from mail-sender-0.a4lg.com (mail-sender.a4lg.com [153.120.152.154]) by sourceware.org (Postfix) with ESMTPS id 336903858D1E for ; Thu, 3 Aug 2023 06:00:14 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.2 sourceware.org 336903858D1E Received: from [127.0.0.1] (localhost [127.0.0.1]) by mail-sender-0.a4lg.com (Postfix) with ESMTPSA id 7B1EB300089; Thu, 3 Aug 2023 06:00:11 +0000 (UTC) To: Tsukasa OI , Palmer Dabbelt , Andrew Waterman , Jim Wilson , Nelson Chu , Kito Cheng Cc: binutils@sourceware.org Subject: [PATCH] RISC-V: Add support for 'Zvfh' and 'Zvfhmin' Date: Thu, 3 Aug 2023 06:00:03 +0000 Message-ID: Mime-Version: 1.0 X-Spam-Status: No, score=-12.0 required=5.0 tests=BAYES_00, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, GIT_PATCH_0, KAM_MANYTO, 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: binutils@sourceware.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Binutils mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-Patchwork-Original-From: Tsukasa OI via Binutils From: Tsukasa OI Reply-To: Tsukasa OI Errors-To: binutils-bounces+ouuuleilei=gmail.com@sourceware.org Sender: "Binutils" X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1773186499536848952 X-GMAIL-MSGID: 1773186499536848952 From: Tsukasa OI This commit adds support for recently ratified vector FP16 extensions: 'Zvfh' and 'Zvfhmin'. This is based on: Despite not having any new instructions, it will be necessary since those extensions are already implemented in GCC. Note that however, in this commit, following dependencies are implemented. 1. 'Zvfhmin' -> 'Zve32f' 2. 'Zvfh' -> 'Zvfhmin' (not 'Zvfh' -> 'Zve32f' as in the documentation) 3. 'Zvfh' -> 'Zfhmin' This is because the instructions and configurations supported by the 'Zvfh' extension is a strict superset of the 'Zvfhmin' extension and 'Zvfh' -> 'Zve32f' dependency is indirectly derived from that fact. bfd/ChangeLog: * elfxx-riscv.c (riscv_implicit_subsets): Add implications related to 'Zvfh' and 'Zvfhmin' extensions. (riscv_supported_std_z_ext) Add 'Zvfh' and 'Zvfhmin' to the list. --- bfd/elfxx-riscv.c | 5 +++++ 1 file changed, 5 insertions(+) base-commit: 92f46037a0f672d1480f754f76a9bfa0334d099c diff --git a/bfd/elfxx-riscv.c b/bfd/elfxx-riscv.c index 2ce95d90df52..ee4598729480 100644 --- a/bfd/elfxx-riscv.c +++ b/bfd/elfxx-riscv.c @@ -1110,6 +1110,9 @@ static struct riscv_implicit_subset riscv_implicit_subsets[] = {"v", "d", check_implicit_always}, {"v", "zve64d", check_implicit_always}, {"v", "zvl128b", check_implicit_always}, + {"zvfh", "zvfhmin", check_implicit_always}, + {"zvfh", "zfhmin", check_implicit_always}, + {"zvfhmin", "zve32f", check_implicit_always}, {"zve64d", "d", check_implicit_always}, {"zve64d", "zve64f", check_implicit_always}, {"zve64f", "zve32f", check_implicit_always}, @@ -1287,6 +1290,8 @@ static struct riscv_supported_ext riscv_supported_std_z_ext[] = {"zve64d", ISA_SPEC_CLASS_DRAFT, 1, 0, 0 }, {"zvbb", ISA_SPEC_CLASS_DRAFT, 1, 0, 0 }, {"zvbc", ISA_SPEC_CLASS_DRAFT, 1, 0, 0 }, + {"zvfh", ISA_SPEC_CLASS_DRAFT, 1, 0, 0 }, + {"zvfhmin", ISA_SPEC_CLASS_DRAFT, 1, 0, 0 }, {"zvkg", ISA_SPEC_CLASS_DRAFT, 1, 0, 0 }, {"zvkn", ISA_SPEC_CLASS_DRAFT, 1, 0, 0 }, {"zvkng", ISA_SPEC_CLASS_DRAFT, 1, 0, 0 },