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111
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1 /* PR tree-optimization/66187 */
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2 /* { dg-do run } */
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3 /* { dg-options "-O2 -fwrapv" } */
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4
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5 __attribute__((noinline, noclone)) int
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6 f0 (unsigned char x, unsigned char y)
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7 {
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8 return (x + y) & 0x2ff;
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9 }
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10
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11 __attribute__((noinline, noclone)) int
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12 f1 (unsigned char x, unsigned char y)
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13 {
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14 return (x - y) & 0x2ff;
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15 }
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16
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17 __attribute__((noinline, noclone)) int
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18 f2 (signed char x, signed char y)
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19 {
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20 return (x + y) & -4;
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21 }
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22
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23 __attribute__((noinline, noclone)) int
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24 f3 (signed char x, signed char y)
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25 {
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26 return (x + y) & 0xf8;
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27 }
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28
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29 __attribute__((noinline, noclone)) int
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30 f4 (signed char x, signed char y)
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31 {
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32 return (x + y) & 0x78;
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33 }
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34
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35 __attribute__((noinline, noclone)) int
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36 f5 (unsigned char x, unsigned char y)
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37 {
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38 int a = x;
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39 int b = y;
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40 int c = a + b;
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41 return c & 0x2ff;
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42 }
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43
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44 __attribute__((noinline, noclone)) int
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45 f6 (unsigned char x, unsigned char y)
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46 {
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47 int a = x;
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48 int b = y;
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49 int c = a - b;
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50 return c & 0x2ff;
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51 }
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52
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53 __attribute__((noinline, noclone)) int
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54 f7 (signed char x, signed char y)
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55 {
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56 int a = x;
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57 int b = y;
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58 int c = a + b;
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59 return c & -4;
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60 }
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61
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62 __attribute__((noinline, noclone)) int
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63 f8 (signed char x, signed char y)
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64 {
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65 int a = x;
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66 int b = y;
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67 int c = a + b;
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68 return c & 0xf8;
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69 }
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70
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71 __attribute__((noinline, noclone)) int
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72 f9 (signed char x, signed char y)
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73 {
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74 int a = x;
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75 int b = y;
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76 int c = a + b;
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77 return c & 0x78;
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78 }
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79
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80 int
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81 main ()
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82 {
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83 if (__SCHAR_MAX__ != 127 || sizeof (int) != 4)
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84 return 0;
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85 if (f0 (0xff, 0xff) != 0xfe
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86 || f1 (0, 1) != 0x2ff
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87 || f2 (-2, 1) != -4
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88 || f3 (-2, 1) != 0xf8
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89 || f4 (-2, 1) != 0x78
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90 || f5 (0xff, 0xff) != 0xfe
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91 || f6 (0, 1) != 0x2ff
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92 || f7 (-2, 1) != -4
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93 || f8 (-2, 1) != 0xf8
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94 || f9 (-2, 1) != 0x78)
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95 __builtin_abort ();
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96 return 0;
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97 }
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