1209878Snwhitehorn/*- 2209878Snwhitehorn * Copyright (c) 2003 David Schultz <das@FreeBSD.ORG> 3209878Snwhitehorn * All rights reserved. 4209878Snwhitehorn * 5209878Snwhitehorn * Redistribution and use in source and binary forms, with or without 6209878Snwhitehorn * modification, are permitted provided that the following conditions 7209878Snwhitehorn * are met: 8209878Snwhitehorn * 1. Redistributions of source code must retain the above copyright 9209878Snwhitehorn * notice, this list of conditions and the following disclaimer. 10209878Snwhitehorn * 2. Redistributions in binary form must reproduce the above copyright 11209878Snwhitehorn * notice, this list of conditions and the following disclaimer in the 12209878Snwhitehorn * documentation and/or other materials provided with the distribution. 13209878Snwhitehorn * 14209878Snwhitehorn * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15209878Snwhitehorn * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16209878Snwhitehorn * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17209878Snwhitehorn * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18209878Snwhitehorn * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19209878Snwhitehorn * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20209878Snwhitehorn * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21209878Snwhitehorn * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22209878Snwhitehorn * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23209878Snwhitehorn * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24209878Snwhitehorn * SUCH DAMAGE. 25209878Snwhitehorn * 26209878Snwhitehorn * $FreeBSD: releng/11.0/lib/libc/powerpc64/_fpmath.h 296113 2016-02-26 20:38:23Z nwhitehorn $ 27209878Snwhitehorn */ 28209878Snwhitehorn 29209878Snwhitehornunion IEEEl2bits { 30209878Snwhitehorn long double e; 31209878Snwhitehorn struct { 32296113Snwhitehorn#if _BYTE_ORDER == _LITTLE_ENDIAN 33296113Snwhitehorn unsigned int manl :32; 34296113Snwhitehorn unsigned int manh :20; 35296113Snwhitehorn unsigned int exp :11; 36296113Snwhitehorn unsigned int sign :1; 37296113Snwhitehorn#else /* _BYTE_ORDER == _LITTLE_ENDIAN */ 38209878Snwhitehorn unsigned int sign :1; 39209878Snwhitehorn unsigned int exp :11; 40209878Snwhitehorn unsigned int manh :20; 41209878Snwhitehorn unsigned int manl :32; 42296113Snwhitehorn#endif 43209878Snwhitehorn } bits; 44209878Snwhitehorn}; 45209878Snwhitehorn 46209878Snwhitehorn#define mask_nbit_l(u) ((void)0) 47209878Snwhitehorn#define LDBL_IMPLICIT_NBIT 48209878Snwhitehorn#define LDBL_NBIT 0 49209878Snwhitehorn 50209878Snwhitehorn#define LDBL_MANH_SIZE 20 51209878Snwhitehorn#define LDBL_MANL_SIZE 32 52209878Snwhitehorn 53209878Snwhitehorn#define LDBL_TO_ARRAY32(u, a) do { \ 54209878Snwhitehorn (a)[0] = (uint32_t)(u).bits.manl; \ 55209878Snwhitehorn (a)[1] = (uint32_t)(u).bits.manh; \ 56209878Snwhitehorn} while(0) 57