From patchwork Thu Jul 12 10:26:21 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Zong Li X-Patchwork-Id: 942892 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (mailfrom) smtp.mailfrom=sourceware.org (client-ip=209.132.180.131; helo=sourceware.org; envelope-from=libc-alpha-return-94198-incoming=patchwork.ozlabs.org@sourceware.org; receiver=) Authentication-Results: ozlabs.org; dmarc=none (p=none dis=none) header.from=andestech.com Authentication-Results: ozlabs.org; dkim=pass (1024-bit key; secure) header.d=sourceware.org header.i=@sourceware.org header.b="X2Rov67J"; dkim-atps=neutral Received: from sourceware.org (server1.sourceware.org [209.132.180.131]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 41RBwM5qVbz9ryt for ; Thu, 12 Jul 2018 20:28:03 +1000 (AEST) DomainKey-Signature: a=rsa-sha1; c=nofws; d=sourceware.org; h=list-id :list-unsubscribe:list-subscribe:list-archive:list-post :list-help:sender:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-type; q=dns; s=default; b=Q/tYK gRYlAddA/GKEgseKzaqUf+eAqg76scCBB/P1470mPlkVT/f7WDC734LgFeZEw8fo 65FbUltYBYG/82OtHEzfJlOeAVeZMHz55gHtiWARtIc9+iknWovfPnNeDIiRS8kk PNNj5nrLvjons66X70AbsNGpvVEiDcUDoaWYTY= DKIM-Signature: v=1; a=rsa-sha1; c=relaxed; d=sourceware.org; h=list-id :list-unsubscribe:list-subscribe:list-archive:list-post :list-help:sender:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-type; s=default; bh=FRmMzMgpYUu UCJAjP1BN4YA1TeQ=; b=X2Rov67JyQIkTHDgprpB18AGGkIBfFlEjSJqpFo0Fxf 7Ze29fvqQh8RIbFFkHqSwI1B7wFEMnlKgKSyhhDXbwGNFdI6NB96TXEHTCJn9HaJ ONl7q/XaYsrCBBSVjKulmZFuSg6DqCUxbVNUnHXC1DR5/lFGmmWpMKQ5600nmB/0 = Received: (qmail 78139 invoked by alias); 12 Jul 2018 10:27:31 -0000 Mailing-List: contact libc-alpha-help@sourceware.org; run by ezmlm Precedence: bulk List-Id: List-Unsubscribe: List-Subscribe: List-Archive: List-Post: List-Help: , Sender: libc-alpha-owner@sourceware.org Delivered-To: mailing list libc-alpha@sourceware.org Received: (qmail 78017 invoked by uid 89); 12 Jul 2018 10:27:30 -0000 Authentication-Results: sourceware.org; auth=none X-Spam-SWARE-Status: No, score=-26.4 required=5.0 tests=AWL, BAYES_00, GIT_PATCH_0, GIT_PATCH_1, GIT_PATCH_2, GIT_PATCH_3, KAM_MANYTO, KAM_SHORT, RCVD_IN_DNSWL_NONE, SPF_PASS autolearn=ham version=3.3.2 spammy= X-HELO: ATCSQR.andestech.com From: Zong Li To: , , , , , CC: , Zong Li Subject: [PATCH 5/9] RISC-V: Hard float support for the 32 bit Date: Thu, 12 Jul 2018 18:26:21 +0800 Message-ID: In-Reply-To: References: MIME-Version: 1.0 X-DNSRBL: X-MAIL: ATCSQR.andestech.com w6CASTua016725 This patch contains hardware floating-point support for the RV32IF and RV32IFD. --- sysdeps/riscv/rv32/rvd/s_lrint.c | 31 +++++++++++++++++++++++++++++++ sysdeps/riscv/rv32/rvd/s_lround.c | 31 +++++++++++++++++++++++++++++++ sysdeps/riscv/rv32/rvf/s_lrintf.c | 31 +++++++++++++++++++++++++++++++ sysdeps/riscv/rv32/rvf/s_lroundf.c | 31 +++++++++++++++++++++++++++++++ 4 files changed, 124 insertions(+) create mode 100644 sysdeps/riscv/rv32/rvd/s_lrint.c create mode 100644 sysdeps/riscv/rv32/rvd/s_lround.c create mode 100644 sysdeps/riscv/rv32/rvf/s_lrintf.c create mode 100644 sysdeps/riscv/rv32/rvf/s_lroundf.c diff --git a/sysdeps/riscv/rv32/rvd/s_lrint.c b/sysdeps/riscv/rv32/rvd/s_lrint.c new file mode 100644 index 0000000..4d5bdbc --- /dev/null +++ b/sysdeps/riscv/rv32/rvd/s_lrint.c @@ -0,0 +1,31 @@ +/* lrint(). RISC-V version. + Copyright (C) 2017-2018 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library. If not, see + . */ + +#include +#include +#include + +long int +__lrint (double x) +{ + int32_t res; + asm ("fcvt.w.d %0, %1" : "=r" (res) : "f" (x)); + return res; +} + +libm_alias_double (__lrint, lrint) diff --git a/sysdeps/riscv/rv32/rvd/s_lround.c b/sysdeps/riscv/rv32/rvd/s_lround.c new file mode 100644 index 0000000..f5d9cf2 --- /dev/null +++ b/sysdeps/riscv/rv32/rvd/s_lround.c @@ -0,0 +1,31 @@ +/* lround(). RISC-V version. + Copyright (C) 2017-2018 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library. If not, see + . */ + +#include +#include +#include + +long int +__lround (double x) +{ + int32_t res; + asm ("fcvt.w.d %0, %1, rmm" : "=r" (res) : "f" (x)); + return res; +} + +libm_alias_double (__lround, lround) diff --git a/sysdeps/riscv/rv32/rvf/s_lrintf.c b/sysdeps/riscv/rv32/rvf/s_lrintf.c new file mode 100644 index 0000000..08d44fa --- /dev/null +++ b/sysdeps/riscv/rv32/rvf/s_lrintf.c @@ -0,0 +1,31 @@ +/* lrintf(). RISC-V version. + Copyright (C) 2017-2018 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library. If not, see + . */ + +#include +#include +#include + +long int +__lrintf (float x) +{ + int32_t res; + asm ("fcvt.w.s %0, %1" : "=r" (res) : "f" (x)); + return res; +} + +libm_alias_float (__lrint, lrint) diff --git a/sysdeps/riscv/rv32/rvf/s_lroundf.c b/sysdeps/riscv/rv32/rvf/s_lroundf.c new file mode 100644 index 0000000..f31b432 --- /dev/null +++ b/sysdeps/riscv/rv32/rvf/s_lroundf.c @@ -0,0 +1,31 @@ +/* lroundf(). RISC-V version. + Copyright (C) 2017-2018 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library. If not, see + . */ + +#include +#include +#include + +long int +__lroundf (float x) +{ + int32_t res; + asm ("fcvt.w.s %0, %1, rmm" : "=r" (res) : "f" (x)); + return res; +} + +libm_alias_float (__lround, lround)