From patchwork Mon Aug 14 05:32:09 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tsukasa OI X-Patchwork-Id: 1820844 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=gcc.gnu.org (client-ip=2620:52:3:1:0:246e:9693:128c; helo=server2.sourceware.org; envelope-from=gcc-patches-bounces+incoming=patchwork.ozlabs.org@gcc.gnu.org; receiver=) Authentication-Results: legolas.ozlabs.org; dkim=pass (1024-bit key; unprotected) header.d=gcc.gnu.org header.i=@gcc.gnu.org header.a=rsa-sha256 header.s=default header.b=TE2Xviop; dkim-atps=neutral Received: from server2.sourceware.org (server2.sourceware.org [IPv6:2620:52:3:1:0:246e:9693:128c]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-384) server-digest SHA384) (No client certificate requested) by legolas.ozlabs.org (Postfix) with ESMTPS id 4RPNMn5cGdz1yfP for ; Mon, 14 Aug 2023 15:32:53 +1000 (AEST) Received: from server2.sourceware.org (localhost [IPv6:::1]) by sourceware.org (Postfix) with ESMTP id 055D8385773F for ; Mon, 14 Aug 2023 05:32:51 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 055D8385773F DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1691991171; bh=AxmDFQ9E3DuVqyR9gyDxscIL+x1NNJTqdaP+QNIAyOA=; h=To:Cc:Subject:Date:In-Reply-To:References:List-Id: List-Unsubscribe:List-Archive:List-Post:List-Help:List-Subscribe: From:Reply-To:From; b=TE2XviopoBFod2Qmd1ivjdgTqf5PQs3r5/49E3f8gQovZHWAX6Nb/lLdzTOlqetbc Q3eBObzkS0I6TJKARPcYXY3X1XBesF4Sjr1pW5ffKjfyhHIcsYmbXkGP63ooC6cNS+ TNx/uK/9fsp60h22fYFnta7Pj5gHmcEYJvtmY7Zo= X-Original-To: gcc-patches@gcc.gnu.org Delivered-To: gcc-patches@gcc.gnu.org Received: from mail-sender-0.a4lg.com (mail-sender-0.a4lg.com [IPv6:2401:2500:203:30b:4000:6bfe:4757:0]) by sourceware.org (Postfix) with ESMTPS id 556753858C3A for ; Mon, 14 Aug 2023 05:32:32 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.2 sourceware.org 556753858C3A Received: from [127.0.0.1] (localhost [127.0.0.1]) by mail-sender-0.a4lg.com (Postfix) with ESMTPSA id 77F08300089; Mon, 14 Aug 2023 05:32:29 +0000 (UTC) To: Tsukasa OI , Kito Cheng , Palmer Dabbelt , Andrew Waterman , Jim Wilson Cc: gcc-patches@gcc.gnu.org Subject: [PATCH 1/2] RISC-V: Add support for the 'Zfa' extension Date: Mon, 14 Aug 2023 05:32:09 +0000 Message-ID: <644737e9d806d1c9f9e5770153780efe8fc363ae.1691991126.git.research_trasio@irq.a4lg.com> In-Reply-To: References: Mime-Version: 1.0 X-Spam-Status: No, score=-12.1 required=5.0 tests=BAYES_00, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, GIT_PATCH_0, SPF_HELO_NONE, SPF_PASS, TXREP 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-Patchwork-Original-From: Tsukasa OI via Gcc-patches From: Tsukasa OI Reply-To: Tsukasa OI Errors-To: gcc-patches-bounces+incoming=patchwork.ozlabs.org@gcc.gnu.org Sender: "Gcc-patches" From: Tsukasa OI This commit adds support for the 'Zfa' extension containing additional floating point instructions, version 0.1 (stable and approved). gcc/ChangeLog: * common/config/riscv/riscv-common.cc (riscv_implied_info): Add implication 'Zfa' -> 'F'. (riscv_ext_version_table) Add support for the 'Zfa' extension. (riscv_ext_flag_table) Set MASK_ZFA if 'Zfa' is available. * config/riscv/riscv-opts.h (MASK_ZFA, TARGET_ZFA): New. --- gcc/common/config/riscv/riscv-common.cc | 3 +++ gcc/config/riscv/riscv-opts.h | 2 ++ 2 files changed, 5 insertions(+) diff --git a/gcc/common/config/riscv/riscv-common.cc b/gcc/common/config/riscv/riscv-common.cc index 21f83f26371f..01d68856bc40 100644 --- a/gcc/common/config/riscv/riscv-common.cc +++ b/gcc/common/config/riscv/riscv-common.cc @@ -121,6 +121,7 @@ static const riscv_implied_info_t riscv_implied_info[] = {"zvksg", "zvks"}, {"zvksg", "zvkg"}, + {"zfa", "f"}, {"zfh", "zfhmin"}, {"zfhmin", "f"}, {"zvfhmin", "zve32f"}, @@ -257,6 +258,7 @@ static const struct riscv_ext_version riscv_ext_version_table[] = {"zvl32768b", ISA_SPEC_CLASS_NONE, 1, 0}, {"zvl65536b", ISA_SPEC_CLASS_NONE, 1, 0}, + {"zfa", ISA_SPEC_CLASS_NONE, 0, 1}, {"zfh", ISA_SPEC_CLASS_NONE, 1, 0}, {"zfhmin", ISA_SPEC_CLASS_NONE, 1, 0}, {"zvfhmin", ISA_SPEC_CLASS_NONE, 1, 0}, @@ -1400,6 +1402,7 @@ static const riscv_ext_flag_table_t riscv_ext_flag_table[] = {"zvl32768b", &gcc_options::x_riscv_zvl_flags, MASK_ZVL32768B}, {"zvl65536b", &gcc_options::x_riscv_zvl_flags, MASK_ZVL65536B}, + {"zfa", &gcc_options::x_riscv_zf_subext, MASK_ZFA}, {"zfhmin", &gcc_options::x_riscv_zf_subext, MASK_ZFHMIN}, {"zfh", &gcc_options::x_riscv_zf_subext, MASK_ZFH}, {"zvfhmin", &gcc_options::x_riscv_zf_subext, MASK_ZVFHMIN}, diff --git a/gcc/config/riscv/riscv-opts.h b/gcc/config/riscv/riscv-opts.h index aeea805b3425..e31ec7c4074a 100644 --- a/gcc/config/riscv/riscv-opts.h +++ b/gcc/config/riscv/riscv-opts.h @@ -249,11 +249,13 @@ enum riscv_entity #define MASK_ZFH (1 << 1) #define MASK_ZVFHMIN (1 << 2) #define MASK_ZVFH (1 << 3) +#define MASK_ZFA (1 << 4) #define TARGET_ZFHMIN ((riscv_zf_subext & MASK_ZFHMIN) != 0) #define TARGET_ZFH ((riscv_zf_subext & MASK_ZFH) != 0) #define TARGET_ZVFHMIN ((riscv_zf_subext & MASK_ZVFHMIN) != 0) #define TARGET_ZVFH ((riscv_zf_subext & MASK_ZVFH) != 0) +#define TARGET_ZFA ((riscv_zf_subext & MASK_ZFA) != 0) #define MASK_ZMMUL (1 << 0) #define TARGET_ZMMUL ((riscv_zm_subext & MASK_ZMMUL) != 0)