annotate libgcc/divmod.c @ 111:04ced10e8804

gcc 7
author kono
date Fri, 27 Oct 2017 22:46:09 +0900
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children 84e7813d76e9
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1 /* Copyright (C) 2000-2017 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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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 long udivmodsi4 ();
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25
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26 long
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27 __divsi3 (long a, long b)
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28 {
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29 int neg = 0;
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30 long res;
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31
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32 if (a < 0)
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33 {
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34 a = -a;
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35 neg = !neg;
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36 }
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37
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38 if (b < 0)
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39 {
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40 b = -b;
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41 neg = !neg;
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42 }
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43
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44 res = udivmodsi4 (a, b, 0);
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45
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46 if (neg)
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47 res = -res;
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48
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49 return res;
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50 }
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51
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52 long
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53 __modsi3 (long a, long b)
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54 {
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55 int neg = 0;
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56 long res;
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57
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58 if (a < 0)
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59 {
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60 a = -a;
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61 neg = 1;
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62 }
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63
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64 if (b < 0)
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65 b = -b;
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66
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67 res = udivmodsi4 (a, b, 1);
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68
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69 if (neg)
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70 res = -res;
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71
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72 return res;
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73 }