1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172
|
/* PR tree-optimization/95527 */
/* { dg-do compile } */
/* { dg-options "-O2 -fdump-tree-optimized" } */
/* { dg-final { scan-tree-dump-times "return 0;" 4 "optimized" } } */
/* { dg-final { scan-tree-dump-times "return 18;" 4 "optimized" } } */
/* { dg-final { scan-tree-dump-times "a_\[0-9]*\\\(D\\\) == 0" 1 "optimized" } } */
int
f1 (int a)
{
return __builtin_ffs (a) == 0;
}
/* { dg-final { scan-tree-dump-times "b_\[0-9]*\\\(D\\\) != 0" 1 "optimized" } } */
int
f2 (int b)
{
return __builtin_ffs (b) != 0;
}
int
f3 (int x)
{
return __builtin_ffs (x) == -1;
}
int
f4 (int x)
{
return 17 + (__builtin_ffs (x) != -1);
}
int
f5 (int x)
{
return __builtin_ffs (x) == __SIZEOF_INT__ * __CHAR_BIT__ + 1;
}
int
f6 (int x)
{
return 17 + (__builtin_ffs (x) != __SIZEOF_INT__ * __CHAR_BIT__ + 1);
}
/* { dg-final { scan-tree-dump-times "c_\[0-9]*\\\(D\\\) & 63" 1 "optimized" } } */
/* { dg-final { scan-tree-dump-times "== 32" 1 "optimized" } } */
int
f7 (int c)
{
return __builtin_ffs (c) == 6;
}
/* { dg-final { scan-tree-dump-times "d_\[0-9]*\\\(D\\\) & 16383" 1 "optimized" } } */
/* { dg-final { scan-tree-dump-times "!= 8192" 1 "optimized" } } */
int
f8 (int d)
{
return __builtin_ffs (d) != 14;
}
/* { dg-final { scan-tree-dump-times "e_\[0-9]*\\\(D\\\) == -9223372036854775808" 1 "optimized" { target lp64 } } } */
/* { dg-final { scan-tree-dump-times "e_\[0-9]*\\\(D\\\) == -2147483648" 1 "optimized" { target ilp32 } } } */
int
f9 (long int e)
{
return __builtin_ffsl (e) == __SIZEOF_LONG__ * __CHAR_BIT__;
}
/* { dg-final { scan-tree-dump-times "f_\[0-9]*\\\(D\\\) != -9223372036854775808" 1 "optimized" } } */
int
f10 (long long int f)
{
return __builtin_ffsll (f) != __SIZEOF_LONG_LONG__ * __CHAR_BIT__;
}
/* { dg-final { scan-tree-dump-times "g_\[0-9]*\\\(D\\\) != 0" 1 "optimized" } } */
int
f11 (long long int g)
{
return __builtin_ffsll (g) > 0;
}
/* { dg-final { scan-tree-dump-times "h_\[0-9]*\\\(D\\\) == 0" 1 "optimized" } } */
int
f12 (int h)
{
return __builtin_ffs (h) <= 0;
}
int
f13 (int x)
{
return 17 + (__builtin_ffs (x) > -1);
}
int
f14 (int x)
{
return __builtin_ffs (x) <= -1;
}
int
f15 (int x)
{
return __builtin_ffs (x) > __SIZEOF_INT__ * __CHAR_BIT__;
}
int
f16 (int x)
{
return 17 + (__builtin_ffs (x) <= __SIZEOF_INT__ * __CHAR_BIT__);
}
/* { dg-final { scan-tree-dump-times "i_\[0-9]*\\\(D\\\) & 63" 1 "optimized" } } */
/* { dg-final { scan-tree-dump-times "i_\[0-9]*\\\(D\\\) != 0" 1 "optimized" } } */
int
f17 (int i)
{
return __builtin_ffs (i) > 6;
}
/* { dg-final { scan-tree-dump-times "j_\[0-9]*\\\(D\\\) & 4095" 1 "optimized" } } */
/* { dg-final { scan-tree-dump-times "j_\[0-9]*\\\(D\\\) == 0" 1 "optimized" } } */
int
f18 (int j)
{
return __builtin_ffs (j) <= 12;
}
/* { dg-final { scan-tree-dump-times "k_\[0-9]*\\\(D\\\) == -2147483648" 1 "optimized" { target int32 } } } */
int
f19 (int k)
{
return __builtin_ffs (k) > __SIZEOF_INT__ * __CHAR_BIT__ - 1;
}
/* { dg-final { scan-tree-dump-times "l_\[0-9]*\\\(D\\\) != -2147483648" 1 "optimized" { target int32 } } } */
int
f20 (int l)
{
return __builtin_ffs (l) <= __SIZEOF_INT__ * __CHAR_BIT__ - 1;
}
/* { dg-final { scan-tree-dump-times "m_\[0-9]*\\\(D\\\) & 1073741823" 1 "optimized" { target int32 } } } */
/* { dg-final { scan-tree-dump-times "m_\[0-9]*\\\(D\\\) != 0" 1 "optimized" } } */
int
f21 (int m)
{
return __builtin_ffs (m) > __SIZEOF_INT__ * __CHAR_BIT__ - 2;
}
/* { dg-final { scan-tree-dump-times "n_\[0-9]*\\\(D\\\) & 1073741823" 1 "optimized" { target int32 } } } */
/* { dg-final { scan-tree-dump-times "n_\[0-9]*\\\(D\\\) == 0" 1 "optimized" } } */
int
f22 (int n)
{
return __builtin_ffs (n) <= __SIZEOF_INT__ * __CHAR_BIT__ - 2;
}
|