1/* $NetBSD: fpsetmask.c,v 1.3 2002/01/13 21:45:48 thorpej Exp $ */ 2 3/* 4 * Copyright (c) 1999 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Dan Winship. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution.
| 1/* $NetBSD: fpsetmask.c,v 1.3 2002/01/13 21:45:48 thorpej Exp $ */ 2 3/* 4 * Copyright (c) 1999 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Dan Winship. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution.
|
18 * 3. All advertising materials mentioning features or use of this software 19 * must display the following acknowledgement: 20 * This product includes software developed by the NetBSD 21 * Foundation, Inc. and its contributors. 22 * 4. Neither the name of The NetBSD Foundation nor the names of its 23 * contributors may be used to endorse or promote products derived 24 * from this software without specific prior written permission.
| |
25 * 26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 36 * POSSIBILITY OF SUCH DAMAGE. 37 * 38 */ 39 40#include <sys/cdefs.h>
| 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 * 31 */ 32 33#include <sys/cdefs.h>
|
41__FBSDID("$FreeBSD: head/lib/libc/powerpc64/gen/fpsetmask.c 209878 2010-07-10 14:45:03Z nwhitehorn $");
| 34__FBSDID("$FreeBSD: head/lib/libc/powerpc64/gen/fpsetmask.c 251091 2013-05-29 01:54:10Z emaste $");
|
42 43#include <sys/types.h> 44#include <ieeefp.h> 45 46#ifndef _SOFT_FLOAT 47fp_except_t 48fpsetmask(fp_except_t mask) 49{ 50 u_int64_t fpscr; 51 fp_rnd_t old; 52 53 __asm__("mffs %0" : "=f"(fpscr)); 54 old = (fp_rnd_t)((fpscr >> 3) & 0x1f); 55 fpscr = (fpscr & 0xffffff07) | (mask << 3); 56 __asm__ __volatile("mtfsf 0xff,%0" :: "f"(fpscr)); 57 return (old); 58} 59#endif
| 35 36#include <sys/types.h> 37#include <ieeefp.h> 38 39#ifndef _SOFT_FLOAT 40fp_except_t 41fpsetmask(fp_except_t mask) 42{ 43 u_int64_t fpscr; 44 fp_rnd_t old; 45 46 __asm__("mffs %0" : "=f"(fpscr)); 47 old = (fp_rnd_t)((fpscr >> 3) & 0x1f); 48 fpscr = (fpscr & 0xffffff07) | (mask << 3); 49 __asm__ __volatile("mtfsf 0xff,%0" :: "f"(fpscr)); 50 return (old); 51} 52#endif
|