10bfee928SRuslan Bukin/*- 2af19cc59SRuslan Bukin * Copyright (c) 2015-2017 Ruslan Bukin <br@bsdpad.com> 3*524b018dSAlex Richardson * Copyright (c) 2021 Alex Richardson <arichardson@FreeBSD.org> 40bfee928SRuslan Bukin * All rights reserved. 50bfee928SRuslan Bukin * 60bfee928SRuslan Bukin * Portions of this software were developed by SRI International and the 70bfee928SRuslan Bukin * University of Cambridge Computer Laboratory under DARPA/AFRL contract 80bfee928SRuslan Bukin * FA8750-10-C-0237 ("CTSRD"), as part of the DARPA CRASH research programme. 90bfee928SRuslan Bukin * 100bfee928SRuslan Bukin * Portions of this software were developed by the University of Cambridge 110bfee928SRuslan Bukin * Computer Laboratory as part of the CTSRD Project, with support from the 120bfee928SRuslan Bukin * UK Higher Education Innovation Fund (HEIF). 130bfee928SRuslan Bukin * 14*524b018dSAlex Richardson * This work was supported by Innovate UK project 105694, "Digital Security 15*524b018dSAlex Richardson * by Design (DSbD) Technology Platform Prototype". 16*524b018dSAlex Richardson * 170bfee928SRuslan Bukin * Redistribution and use in source and binary forms, with or without 180bfee928SRuslan Bukin * modification, are permitted provided that the following conditions 190bfee928SRuslan Bukin * are met: 200bfee928SRuslan Bukin * 1. Redistributions of source code must retain the above copyright 210bfee928SRuslan Bukin * notice, this list of conditions and the following disclaimer. 220bfee928SRuslan Bukin * 2. Redistributions in binary form must reproduce the above copyright 230bfee928SRuslan Bukin * notice, this list of conditions and the following disclaimer in the 240bfee928SRuslan Bukin * documentation and/or other materials provided with the distribution. 250bfee928SRuslan Bukin * 260bfee928SRuslan Bukin * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 270bfee928SRuslan Bukin * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 280bfee928SRuslan Bukin * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 290bfee928SRuslan Bukin * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 300bfee928SRuslan Bukin * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 310bfee928SRuslan Bukin * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 320bfee928SRuslan Bukin * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 330bfee928SRuslan Bukin * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 340bfee928SRuslan Bukin * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 350bfee928SRuslan Bukin * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 360bfee928SRuslan Bukin * SUCH DAMAGE. 370bfee928SRuslan Bukin */ 380bfee928SRuslan Bukin 390bfee928SRuslan Bukin#include <machine/asm.h> 400bfee928SRuslan BukinENTRY(fabs) 41*524b018dSAlex Richardson#ifdef __riscv_float_abi_double 420bfee928SRuslan Bukin fabs.d fa0, fa0 43*524b018dSAlex Richardson#else 44*524b018dSAlex Richardson slli a0, a0, 1 45*524b018dSAlex Richardson srli a0, a0, 1 46*524b018dSAlex Richardson#endif 470bfee928SRuslan Bukin ret 480bfee928SRuslan BukinEND(fabs) 49