1*eb7c1594Sagc/* $NetBSD: n_infnan.S,v 1.6 2003/08/07 16:44:45 agc Exp $ */ 2d76e5e0aSragge/* 3d76e5e0aSragge * Copyright (c) 1985, 1993 4d76e5e0aSragge * The Regents of the University of California. All rights reserved. 5d76e5e0aSragge * 6d76e5e0aSragge * Redistribution and use in source and binary forms, with or without 7d76e5e0aSragge * modification, are permitted provided that the following conditions 8d76e5e0aSragge * are met: 9d76e5e0aSragge * 1. Redistributions of source code must retain the above copyright 10d76e5e0aSragge * notice, this list of conditions and the following disclaimer. 11d76e5e0aSragge * 2. Redistributions in binary form must reproduce the above copyright 12d76e5e0aSragge * notice, this list of conditions and the following disclaimer in the 13d76e5e0aSragge * documentation and/or other materials provided with the distribution. 14*eb7c1594Sagc * 3. Neither the name of the University nor the names of its contributors 15d76e5e0aSragge * may be used to endorse or promote products derived from this software 16d76e5e0aSragge * without specific prior written permission. 17d76e5e0aSragge * 18d76e5e0aSragge * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 19d76e5e0aSragge * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 20d76e5e0aSragge * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 21d76e5e0aSragge * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 22d76e5e0aSragge * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 23d76e5e0aSragge * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 24d76e5e0aSragge * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 25d76e5e0aSragge * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 26d76e5e0aSragge * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 27d76e5e0aSragge * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 28d76e5e0aSragge * SUCH DAMAGE. 29d76e5e0aSragge * 30d76e5e0aSragge * @(#)infnan.s 8.1 (Berkeley) 6/4/93 31d76e5e0aSragge */ 32584a2f53Smatt#include <machine/asm.h> 33584a2f53Smatt 34584a2f53Smatt .text 35d76e5e0aSragge_sccsid: 36584a2f53Smatt .asciz "@(#)infnan.s\t1.1 (Berkeley) 8/21/85; 8.1 (ucb.elefunt) 6/4/93" 37d76e5e0aSragge 38d76e5e0aSragge/* 39d76e5e0aSragge * infnan(arg) int arg; 40d76e5e0aSragge * where arg := EDOM if result is NaN 41d76e5e0aSragge * := ERANGE if result is +INF 42d76e5e0aSragge * := -ERANGE if result is -INF 43d76e5e0aSragge * 44d76e5e0aSragge * The Reserved Operand Fault is generated inside of this routine. 45d76e5e0aSragge */ 46d76e5e0aSragge .set EDOM,33 47d76e5e0aSragge .set ERANGE,34 48584a2f53Smatt 49584a2f53SmattENTRY(infnan, 0) 500ce5ca14Smatt cmpl 4(%ap),$ERANGE 51d76e5e0aSragge bneq 1f 52584a2f53Smatt movl $ERANGE,_C_LABEL(errno) 53d76e5e0aSragge brb 2f 54584a2f53Smatt1: movl $EDOM,_C_LABEL(errno) 550ce5ca14Smatt2: emodd $0,$0,$0x8000,%r0,%r0 # generates the reserved operand fault 56d76e5e0aSragge ret 57