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111
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1 /* Copyright (C) 2004 Free Software Foundation.
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2
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3 PR other/18665
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4 Verify that -ftrapv doesn't produce bogus results
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5 on 64-bit platforms.
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6
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7 Written by Eric Botcazou */
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8
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9 /* { dg-do run } */
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10 /* { dg-options "-ftrapv" } */
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11 /* { dg-require-effective-target trapping } */
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12
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13 extern void abort(void);
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14 extern int abs(int);
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15 extern long labs(long);
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16
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17 int __attribute__((noinline))
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18 iabsv(int a)
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19 {
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20 return abs(a);
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21 }
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22
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23 int __attribute__((noinline))
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24 iaddv(int a, int b)
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25 {
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26 return a + b;
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27 }
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28
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29 int __attribute__((noinline))
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30 isubv(int a, int b)
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31 {
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32 return a - b;
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33 }
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34
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35 int __attribute__((noinline))
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36 imulv(int a, int b)
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37 {
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38 return a * b;
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39 }
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40
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41 int __attribute__((noinline))
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42 inegv(int a)
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43 {
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44 return -a;
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45 }
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46
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47 long __attribute__((noinline))
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48 labsv(long a)
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49 {
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50 return labs(a);
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51 }
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52
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53 long __attribute__((noinline))
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54 laddv(long a, long b)
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55 {
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56 return a + b;
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57 }
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58
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59 long __attribute__((noinline))
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60 lsubv(long a, long b)
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61 {
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62 return a - b;
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63 }
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64
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65 long __attribute__((noinline))
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66 lmulv(long a, long b)
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67 {
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68 return a * b;
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69 }
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70
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71 long __attribute__((noinline))
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72 lnegv(long a)
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73 {
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74 return -a;
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75 }
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76
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77 int main(void)
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78 {
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79 if (iabsv (-1) != 1)
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80 abort ();
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81
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82 if (iaddv (2,-3) != -1)
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83 abort ();
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84
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85 if (isubv (2,3) != -1)
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86 abort ();
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87
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88 if (imulv (-2,3) != -6)
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89 abort ();
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90
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91 if (inegv (-1) != 1)
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92 abort ();
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93
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94 if (labsv (-1L) != 1L)
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95 abort ();
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96
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97 if (laddv (2L,-3L) != -1L)
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98 abort ();
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99
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100 if (lsubv (2L,3L) != -1L)
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101 abort ();
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102
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103 if (lmulv (-2L,3L) != -6L)
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104 abort ();
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105
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106 if (lnegv (-1L) != 1L)
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107 abort ();
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108
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109 return 0;
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110 }
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