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annotate libgcc/config/rx/rx-abi-functions.c @ 55:77e2b8dfacca gcc-4.4.5

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update it from 4.4.3 to 4.5.0
author ryoma <e075725@ie.u-ryukyu.ac.jp>
date Fri, 12 Feb 2010 23:39:51 +0900
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children 04ced10e8804
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rev   line source
55
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1 /* RX C ABI functions
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2 Copyright (C) 2009 Free Software Foundation, Inc.
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3 Contributed by Red Hat.
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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
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8 it under the terms of the GNU General Public License as published by
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9 the Free Software Foundation; either version 3, or (at your option)
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10 any later version.
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11
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12 GCC is distributed in the hope that it will be useful,
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13 but WITHOUT ANY WARRANTY; without even the implied warranty of
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14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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15 GNU General Public License 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
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22 along with GCC; see the file COPYING3. If not see
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23 <http://www.gnu.org/licenses/>. */
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24
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25
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26 /* The RX C ABI includes the specification of a set of compiler support
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27 functions. Libgcc2 includes some of them, although the names have to
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28 be changed (see rx-abi.h), and the rest are defined here.
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29
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30 FIXME: Given that FINE_GRAINED_LIBRARIES is defined we ought to consider
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31 compiling this file multiple times with one function per iteration being
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32 compiled. */
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33
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34 #ifdef __RX_64BIT_DOUBLES__
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35
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36 int _COM_CMPLTd (double a, double b) { return __ltdf2 (a, b) == -1; }
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37 int _COM_CMPGTd (double a, double b) { return __gtdf2 (a, b) == 1; }
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38 int _COM_CMPLEd (double a, double b) { return __ledf2 (a, b) != 1; }
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39 int _COM_CMPGEd (double a, double b) { return __gedf2 (a, b) != -1; }
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40 int _COM_CMPEQd (double a, double b) { return __eqdf2 (a, b) == 0; }
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41 int _COM_CMPNEd (double a, double b) { return __nedf2 (a, b) != 0; }
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42
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43 int _COM_CMPLTf (double, double) __attribute__ ((weak, alias ("_COM_CMPLTd")));
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44 int _COM_CMPGTf (double, double) __attribute__ ((weak, alias ("_COM_CMPGTd")));
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45 int _COM_CMPLEf (double, double) __attribute__ ((weak, alias ("_COM_CMPLEd")));
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46 int _COM_CMPGEf (double, double) __attribute__ ((weak, alias ("_COM_CMPGEd")));
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47 int _COM_CMPEQf (double, double) __attribute__ ((weak, alias ("_COM_CMPEQd")));
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48 int _COM_CMPNEf (double, double) __attribute__ ((weak, alias ("_COM_CMPNEd")));
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49
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50 #else /* 32-bit doubles. */
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51
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52 double _COM_CONVfd (float a) { return a; }
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53 float _COM_CONVdf (double a) { return a; }
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54
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55 int _COM_CMPLTd (double a, double b) __attribute__ ((weak, alias ("_COM_CMPLTf")));
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56 int _COM_CMPGTd (double a, double b) __attribute__ ((weak, alias ("_COM_CMPGTf")));
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57 int _COM_CMPLEd (double a, double b) __attribute__ ((weak, alias ("_COM_CMPLEf")));
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58 int _COM_CMPGEd (double a, double b) __attribute__ ((weak, alias ("_COM_CMPGEf")));
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59 int _COM_CMPEQd (double a, double b) __attribute__ ((weak, alias ("_COM_CMPEQf")));
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60 int _COM_CMPNEd (double a, double b) __attribute__ ((weak, alias ("_COM_CMPNEf")));
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61
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62 signed long long _COM_CONVd64s (double a) { return (signed long long) a; }
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63 unsigned long long _COM_CONVd64u (double a) { return (unsigned long long) a; }
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64
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65 int _COM_CMPLTf (float a, float b) { return __ltsf2 (a, b) == -1; }
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66 int _COM_CMPGTf (float a, float b) { return __gtsf2 (a, b) == 1; }
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67 int _COM_CMPLEf (float a, float b) { return __lesf2 (a, b) != 1; }
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68 int _COM_CMPGEf (float a, float b) { return __gesf2 (a, b) != -1; }
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69 int _COM_CMPEQf (float a, float b) { return __eqsf2 (a, b) == 0; }
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70 int _COM_CMPNEf (float a, float b) { return __nesf2 (a, b) != 0; }
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71
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72 #endif /* 64-bit vs 32-bit doubles. */
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73
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74 double _COM_CONV64sd (signed long long a) { return (double) a; }
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75 double _COM_CONV64ud (unsigned long long a) { return (double) a; }
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76
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77 extern int __cmpdi2 (long long, long long);
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78 extern int __ucmpdi2 (long long, long long);
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79
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80 int _COM_CMPLT64s (long long a, long long b) { return __cmpdi2 (a, b) == 0; }
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81 int _COM_CMPLT64u (long long a, long long b) { return __ucmpdi2 (a, b) == 0; }
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82 int _COM_CMPGT64s (long long a, long long b) { return __cmpdi2 (a, b) == 2; }
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83 int _COM_CMPGT64u (long long a, long long b) { return __ucmpdi2 (a, b) == 2; }
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84 int _COM_CMPLE64s (long long a, long long b) { return __cmpdi2 (a, b) != 2; }
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85 int _COM_CMPLE64u (long long a, long long b) { return __ucmpdi2 (a, b) != 2; }
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86 int _COM_CMPGE64s (long long a, long long b) { return __cmpdi2 (a, b) != 0; }
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87 int _COM_CMPGE64u (long long a, long long b) { return __ucmpdi2 (a, b) != 0; }
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88 int _COM_CMPEQ64 (long long a, long long b) { return __cmpdi2 (a, b) == 1; }
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89 int _COM_CMPNE64 (long long a, long long b) { return __cmpdi2 (a, b) != 1; }
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90