annotate libgcc/config/libbid/_td_to_usi.c @ 0:a06113de4d67

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author kent <kent@cr.ie.u-ryukyu.ac.jp>
date Fri, 17 Jul 2009 14:47:48 +0900
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kent <kent@cr.ie.u-ryukyu.ac.jp>
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1 /* Copyright (C) 2007, 2009 Free Software Foundation, Inc.
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2
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3 This file is part of GCC.
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4
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5 GCC is free software; you can redistribute it and/or modify it under
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6 the terms of the GNU General Public License as published by the Free
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7 Software Foundation; either version 3, or (at your option) any later
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8 version.
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9
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10 GCC is distributed in the hope that it will be useful, but WITHOUT ANY
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11 WARRANTY; without even the implied warranty of MERCHANTABILITY or
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12 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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13 for more details.
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14
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15 Under Section 7 of GPL version 3, you are granted additional
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kent <kent@cr.ie.u-ryukyu.ac.jp>
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16 permissions described in the GCC Runtime Library Exception, version
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17 3.1, as published by the Free Software Foundation.
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18
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19 You should have received a copy of the GNU General Public License and
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20 a copy of the GCC Runtime Library Exception along with this program;
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21 see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
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22 <http://www.gnu.org/licenses/>. */
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23
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24 #include "bid_conf.h"
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25 #include "bid_functions.h"
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26 #include "bid_gcc_intrinsics.h"
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28 USItype
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29 __bid_fixunstdsi (_Decimal128 x) {
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30 USItype res = 0xbaddbadd;
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31 union decimal128 ux;
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33 ux.d = x;
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34 res = __bid128_to_uint32_xint (ux.i);
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36 if (res == 0x80000000) res = 0; // for NaNs too
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37 return (res);
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38 }
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