11541Srgrimes/*- 21541Srgrimes * Copyright (c) 1992, 1993 31541Srgrimes * The Regents of the University of California. All rights reserved. 41541Srgrimes * 51541Srgrimes * This software was developed by the Computer Systems Engineering group 61541Srgrimes * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and 71541Srgrimes * contributed to Berkeley. 81541Srgrimes * 91541Srgrimes * Redistribution and use in source and binary forms, with or without 101541Srgrimes * modification, are permitted provided that the following conditions 111541Srgrimes * are met: 121541Srgrimes * 1. Redistributions of source code must retain the above copyright 131541Srgrimes * notice, this list of conditions and the following disclaimer. 141541Srgrimes * 2. Redistributions in binary form must reproduce the above copyright 151541Srgrimes * notice, this list of conditions and the following disclaimer in the 161541Srgrimes * documentation and/or other materials provided with the distribution. 171541Srgrimes * 4. Neither the name of the University nor the names of its contributors 181541Srgrimes * may be used to endorse or promote products derived from this software 191541Srgrimes * without specific prior written permission. 201541Srgrimes * 211541Srgrimes * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 221541Srgrimes * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 231541Srgrimes * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 241541Srgrimes * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 251541Srgrimes * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 261541Srgrimes * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 271541Srgrimes * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 281541Srgrimes * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 291541Srgrimes * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 301541Srgrimes * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 311541Srgrimes * SUCH DAMAGE. 321541Srgrimes */ 331541Srgrimes 34116189Sobrien#include <sys/cdefs.h> 35116189Sobrien__FBSDID("$FreeBSD$"); 36116189Sobrien 3747698Sbde#include <libkern/quad.h> 381541Srgrimes 391541Srgrimes/* 401541Srgrimes * Return 0, 1, or 2 as a <, =, > b respectively. 411541Srgrimes * Neither a nor b are considered signed. 421541Srgrimes */ 431541Srgrimesint 441541Srgrimes__ucmpdi2(a, b) 451541Srgrimes u_quad_t a, b; 461541Srgrimes{ 471541Srgrimes union uu aa, bb; 481541Srgrimes 491541Srgrimes aa.uq = a; 501541Srgrimes bb.uq = b; 511541Srgrimes return (aa.ul[H] < bb.ul[H] ? 0 : aa.ul[H] > bb.ul[H] ? 2 : 521541Srgrimes aa.ul[L] < bb.ul[L] ? 0 : aa.ul[L] > bb.ul[L] ? 2 : 1); 531541Srgrimes} 54245840Sandrew 55245840Sandrew#ifdef __ARM_EABI__ 56245840Sandrew/* 57245840Sandrew * Return -1, 0 or 1 as a <, =, > b respectively. 58245840Sandrew */ 59245840Sandrewint 60245840Sandrew__aeabi_ulcmp(unsigned long long a, unsigned long long b) 61245840Sandrew{ 62245840Sandrew return __ucmpdi2(a, b) - 1; 63245840Sandrew} 64245840Sandrew#endif 65245840Sandrew 66