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111
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1 /* Functions shipped in the ppc64 and x86_64 version of libgcc_s.1.dylib
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2 in older Mac OS X versions, preserved for backwards compatibility.
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145
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3 Copyright (C) 2006-2020 Free Software Foundation, Inc.
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111
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4
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5 This file is part of GCC.
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6
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7 GCC is free software; you can redistribute it and/or modify it under
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8 the terms of the GNU General Public License as published by the Free
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9 Software Foundation; either version 3, or (at your option) any later
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10 version.
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11
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12 GCC is distributed in the hope that it will be useful, but WITHOUT ANY
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13 WARRANTY; without even the implied warranty of MERCHANTABILITY or
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14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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15 for more details.
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16
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17 Under Section 7 of GPL version 3, you are granted additional
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18 permissions described in the GCC Runtime Library Exception, version
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19 3.1, as published by the Free Software Foundation.
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20
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21 You should have received a copy of the GNU General Public License and
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22 a copy of the GCC Runtime Library Exception along with this program;
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23 see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
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24 <http://www.gnu.org/licenses/>. */
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25
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26 #if defined (__ppc64__) || defined (__x86_64__)
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27 /* Many of these functions have probably never been used by anyone
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28 anywhere on these targets, but it's hard to prove this, so they're defined
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29 here. None are actually necessary, as demonstrated below by defining
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30 each function using the operation it implements. */
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31
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32 typedef long DI;
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33 typedef unsigned long uDI;
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34 typedef int SI;
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35 typedef unsigned int uSI;
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36 typedef int word_type __attribute__ ((mode (__word__)));
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37
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38 DI __ashldi3 (DI x, word_type c);
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39 DI __ashrdi3 (DI x, word_type c);
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40 int __clzsi2 (uSI x);
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41 word_type __cmpdi2 (DI x, DI y);
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42 int __ctzsi2 (uSI x);
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43 DI __divdi3 (DI x, DI y);
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44 uDI __lshrdi3 (uDI x, word_type c);
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45 DI __moddi3 (DI x, DI y);
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46 DI __muldi3 (DI x, DI y);
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47 DI __negdi2 (DI x);
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48 int __paritysi2 (uSI x);
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49 int __popcountsi2 (uSI x);
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50 word_type __ucmpdi2 (uDI x, uDI y);
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51 uDI __udivdi3 (uDI x, uDI y);
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52 uDI __udivmoddi4 (uDI x, uDI y, uDI *r);
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53 uDI __umoddi3 (uDI x, uDI y);
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54
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55 DI __ashldi3 (DI x, word_type c) { return x << c; }
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56 DI __ashrdi3 (DI x, word_type c) { return x >> c; }
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57 int __clzsi2 (uSI x) { return __builtin_clz (x); }
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58 word_type __cmpdi2 (DI x, DI y) { return x < y ? 0 : x == y ? 1 : 2; }
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59 int __ctzsi2 (uSI x) { return __builtin_ctz (x); }
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60 DI __divdi3 (DI x, DI y) { return x / y; }
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61 uDI __lshrdi3 (uDI x, word_type c) { return x >> c; }
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62 DI __moddi3 (DI x, DI y) { return x % y; }
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63 DI __muldi3 (DI x, DI y) { return x * y; }
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64 DI __negdi2 (DI x) { return -x; }
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65 int __paritysi2 (uSI x) { return __builtin_parity (x); }
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66 int __popcountsi2 (uSI x) { return __builtin_popcount (x); }
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67 word_type __ucmpdi2 (uDI x, uDI y) { return x < y ? 0 : x == y ? 1 : 2; }
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68 uDI __udivdi3 (uDI x, uDI y) { return x / y; }
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69 uDI __udivmoddi4 (uDI x, uDI y, uDI *r) { *r = x % y; return x / y; }
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70 uDI __umoddi3 (uDI x, uDI y) { return x % y; }
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71
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72 #endif /* __ppc64__ || __x86_64__ */
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