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1 /*- |
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2 * Copyright (c) 2002, 2003 David Schultz <das@FreeBSD.ORG> |
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3 * All rights reserved. |
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4 * |
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5 * Redistribution and use in source and binary forms, with or without |
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6 * modification, are permitted provided that the following conditions |
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7 * are met: |
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8 * 1. Redistributions of source code must retain the above copyright |
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9 * notice, this list of conditions and the following disclaimer. |
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10 * 2. Redistributions in binary form must reproduce the above copyright |
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11 * notice, this list of conditions and the following disclaimer in the |
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12 * documentation and/or other materials provided with the distribution. |
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13 * |
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14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND |
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15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE |
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18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
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19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
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20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
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21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
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22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
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23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
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24 * SUCH DAMAGE. |
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25 * |
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26 * $FreeBSD: src/lib/libc/arm/_fpmath.h,v 1.4 2005/03/20 00:53:52 cognet Exp $ |
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27 */ |
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28 |
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29 union IEEEl2bits { |
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30 long double e; |
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31 struct { |
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32 #ifndef __ARMEB__ |
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33 unsigned int manl :32; |
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34 unsigned int manh :20; |
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35 unsigned int exp :11; |
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36 unsigned int sign :1; |
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37 #else |
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38 unsigned int sign :1; |
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39 unsigned int exp :11; |
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40 unsigned int manh :20; |
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41 unsigned int manl :32; |
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42 #endif |
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43 } bits; |
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44 }; |
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45 |
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46 #define LDBL_NBIT 0 |
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47 #define mask_nbit_l(u) ((void)0) |
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48 |
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49 #define LDBL_MANH_SIZE 32 |
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50 #define LDBL_MANL_SIZE 32 |
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51 |
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52 #define LDBL_TO_ARRAY32(u, a) do { \ |
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53 (a)[0] = (uint32_t)(u).bits.manl; \ |
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54 (a)[1] = (uint32_t)(u).bits.manh; \ |
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55 } while(0) |