153434Sbostic /*- 253434Sbostic * Copyright (c) 1992 The Regents of the University of California. 353434Sbostic * All rights reserved. 453434Sbostic * 553794Sbostic * This software was developed by the Computer Systems Engineering group 653794Sbostic * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and 753794Sbostic * contributed to Berkeley. 853794Sbostic * 953434Sbostic * %sccs.include.redist.c% 1053434Sbostic */ 1153434Sbostic 1253434Sbostic #if defined(LIBC_SCCS) && !defined(lint) 13*54431Sbostic static char sccsid[] = "@(#)cmpdi2.c 5.5 (Berkeley) 06/25/92"; 1453434Sbostic #endif /* LIBC_SCCS and not lint */ 1553434Sbostic 1653794Sbostic #include "quad.h" 1753459Sbostic 1853794Sbostic /* 1953794Sbostic * Return 0, 1, or 2 as a <, =, > b respectively. 2053794Sbostic * Both a and b are considered signed---which means only the high word is 2153794Sbostic * signed. 2253794Sbostic */ 2353794Sbostic int 24*54431Sbostic __cmpdi2(a, b) 25*54431Sbostic quad_t a, b; 2653434Sbostic { 2753794Sbostic union uu aa, bb; 2853434Sbostic 2953794Sbostic aa.q = a; 3053794Sbostic bb.q = b; 3153794Sbostic return (aa.sl[H] < bb.sl[H] ? 0 : aa.sl[H] > bb.sl[H] ? 2 : 3253794Sbostic aa.ul[L] < bb.ul[L] ? 0 : aa.ul[L] > bb.ul[L] ? 2 : 1); 3353434Sbostic } 34