| // RUN: %clang_builtins %s %librt -o %t && %run %t |
| // REQUIRES: librt_has_ctzsi2 |
| |
| #include "int_lib.h" |
| #include <stdio.h> |
| |
| // Returns: the number of trailing 0-bits |
| |
| // Precondition: a != 0 |
| |
| COMPILER_RT_ABI int __ctzsi2(si_int a); |
| |
| int test__ctzsi2(si_int a, int expected) |
| { |
| int x = __ctzsi2(a); |
| if (x != expected) |
| printf("error in __ctzsi2(0x%X) = %d, expected %d\n", a, x, expected); |
| return x != expected; |
| } |
| |
| char assumption_1[sizeof(di_int) == 2*sizeof(si_int)] = {0}; |
| char assumption_2[sizeof(si_int)*CHAR_BIT == 32] = {0}; |
| |
| int main() |
| { |
| // if (test__ctzsi2(0x00000000, 32)) // undefined |
| // return 1; |
| if (test__ctzsi2(0x00000001, 0)) |
| return 1; |
| if (test__ctzsi2(0x00000002, 1)) |
| return 1; |
| if (test__ctzsi2(0x00000003, 0)) |
| return 1; |
| if (test__ctzsi2(0x00000004, 2)) |
| return 1; |
| if (test__ctzsi2(0x00000005, 0)) |
| return 1; |
| if (test__ctzsi2(0x00000006, 1)) |
| return 1; |
| if (test__ctzsi2(0x00000007, 0)) |
| return 1; |
| if (test__ctzsi2(0x00000008, 3)) |
| return 1; |
| if (test__ctzsi2(0x00000009, 0)) |
| return 1; |
| if (test__ctzsi2(0x0000000A, 1)) |
| return 1; |
| if (test__ctzsi2(0x0000000B, 0)) |
| return 1; |
| if (test__ctzsi2(0x0000000C, 2)) |
| return 1; |
| if (test__ctzsi2(0x0000000D, 0)) |
| return 1; |
| if (test__ctzsi2(0x0000000E, 1)) |
| return 1; |
| if (test__ctzsi2(0x0000000F, 0)) |
| return 1; |
| if (test__ctzsi2(0x00000010, 4)) |
| return 1; |
| if (test__ctzsi2(0x00000012, 1)) |
| return 1; |
| if (test__ctzsi2(0x00000013, 0)) |
| return 1; |
| if (test__ctzsi2(0x00000014, 2)) |
| return 1; |
| if (test__ctzsi2(0x00000015, 0)) |
| return 1; |
| if (test__ctzsi2(0x00000016, 1)) |
| return 1; |
| if (test__ctzsi2(0x00000017, 0)) |
| return 1; |
| if (test__ctzsi2(0x00000018, 3)) |
| return 1; |
| if (test__ctzsi2(0x00000019, 0)) |
| return 1; |
| if (test__ctzsi2(0x0000001A, 1)) |
| return 1; |
| if (test__ctzsi2(0x0000001B, 0)) |
| return 1; |
| if (test__ctzsi2(0x0000001C, 2)) |
| return 1; |
| if (test__ctzsi2(0x0000001D, 0)) |
| return 1; |
| if (test__ctzsi2(0x0000001E, 1)) |
| return 1; |
| if (test__ctzsi2(0x0000001F, 0)) |
| return 1; |
| if (test__ctzsi2(0x00000020, 5)) |
| return 1; |
| if (test__ctzsi2(0x00000022, 1)) |
| return 1; |
| if (test__ctzsi2(0x00000023, 0)) |
| return 1; |
| if (test__ctzsi2(0x00000024, 2)) |
| return 1; |
| if (test__ctzsi2(0x00000025, 0)) |
| return 1; |
| if (test__ctzsi2(0x00000026, 1)) |
| return 1; |
| if (test__ctzsi2(0x00000027, 0)) |
| return 1; |
| if (test__ctzsi2(0x00000028, 3)) |
| return 1; |
| if (test__ctzsi2(0x00000029, 0)) |
| return 1; |
| if (test__ctzsi2(0x0000002A, 1)) |
| return 1; |
| if (test__ctzsi2(0x0000002B, 0)) |
| return 1; |
| if (test__ctzsi2(0x0000002C, 2)) |
| return 1; |
| if (test__ctzsi2(0x0000002D, 0)) |
| return 1; |
| if (test__ctzsi2(0x0000002E, 1)) |
| return 1; |
| if (test__ctzsi2(0x0000002F, 0)) |
| return 1; |
| if (test__ctzsi2(0x00000030, 4)) |
| return 1; |
| if (test__ctzsi2(0x00000032, 1)) |
| return 1; |
| if (test__ctzsi2(0x00000033, 0)) |
| return 1; |
| if (test__ctzsi2(0x00000034, 2)) |
| return 1; |
| if (test__ctzsi2(0x00000035, 0)) |
| return 1; |
| if (test__ctzsi2(0x00000036, 1)) |
| return 1; |
| if (test__ctzsi2(0x00000037, 0)) |
| return 1; |
| if (test__ctzsi2(0x00000038, 3)) |
| return 1; |
| if (test__ctzsi2(0x00000039, 0)) |
| return 1; |
| if (test__ctzsi2(0x0000003A, 1)) |
| return 1; |
| if (test__ctzsi2(0x0000003B, 0)) |
| return 1; |
| if (test__ctzsi2(0x0000003C, 2)) |
| return 1; |
| if (test__ctzsi2(0x0000003D, 0)) |
| return 1; |
| if (test__ctzsi2(0x0000003E, 1)) |
| return 1; |
| if (test__ctzsi2(0x0000003F, 0)) |
| return 1; |
| if (test__ctzsi2(0x00000040, 6)) |
| return 1; |
| if (test__ctzsi2(0x00000042, 1)) |
| return 1; |
| if (test__ctzsi2(0x00000043, 0)) |
| return 1; |
| if (test__ctzsi2(0x00000044, 2)) |
| return 1; |
| if (test__ctzsi2(0x00000045, 0)) |
| return 1; |
| if (test__ctzsi2(0x00000046, 1)) |
| return 1; |
| if (test__ctzsi2(0x00000047, 0)) |
| return 1; |
| if (test__ctzsi2(0x00000048, 3)) |
| return 1; |
| if (test__ctzsi2(0x00000049, 0)) |
| return 1; |
| if (test__ctzsi2(0x0000004A, 1)) |
| return 1; |
| if (test__ctzsi2(0x0000004B, 0)) |
| return 1; |
| if (test__ctzsi2(0x0000004C, 2)) |
| return 1; |
| if (test__ctzsi2(0x0000004D, 0)) |
| return 1; |
| if (test__ctzsi2(0x0000004E, 1)) |
| return 1; |
| if (test__ctzsi2(0x0000004F, 0)) |
| return 1; |
| if (test__ctzsi2(0x00000050, 4)) |
| return 1; |
| if (test__ctzsi2(0x00000052, 1)) |
| return 1; |
| if (test__ctzsi2(0x00000053, 0)) |
| return 1; |
| if (test__ctzsi2(0x00000054, 2)) |
| return 1; |
| if (test__ctzsi2(0x00000055, 0)) |
| return 1; |
| if (test__ctzsi2(0x00000056, 1)) |
| return 1; |
| if (test__ctzsi2(0x00000057, 0)) |
| return 1; |
| if (test__ctzsi2(0x00000058, 3)) |
| return 1; |
| if (test__ctzsi2(0x00000059, 0)) |
| return 1; |
| if (test__ctzsi2(0x0000005A, 1)) |
| return 1; |
| if (test__ctzsi2(0x0000005B, 0)) |
| return 1; |
| if (test__ctzsi2(0x0000005C, 2)) |
| return 1; |
| if (test__ctzsi2(0x0000005D, 0)) |
| return 1; |
| if (test__ctzsi2(0x0000005E, 1)) |
| return 1; |
| if (test__ctzsi2(0x0000005F, 0)) |
| return 1; |
| if (test__ctzsi2(0x00000060, 5)) |
| return 1; |
| if (test__ctzsi2(0x00000062, 1)) |
| return 1; |
| if (test__ctzsi2(0x00000063, 0)) |
| return 1; |
| if (test__ctzsi2(0x00000064, 2)) |
| return 1; |
| if (test__ctzsi2(0x00000065, 0)) |
| return 1; |
| if (test__ctzsi2(0x00000066, 1)) |
| return 1; |
| if (test__ctzsi2(0x00000067, 0)) |
| return 1; |
| if (test__ctzsi2(0x00000068, 3)) |
| return 1; |
| if (test__ctzsi2(0x00000069, 0)) |
| return 1; |
| if (test__ctzsi2(0x0000006A, 1)) |
| return 1; |
| if (test__ctzsi2(0x0000006B, 0)) |
| return 1; |
| if (test__ctzsi2(0x0000006C, 2)) |
| return 1; |
| if (test__ctzsi2(0x0000006D, 0)) |
| return 1; |
| if (test__ctzsi2(0x0000006E, 1)) |
| return 1; |
| if (test__ctzsi2(0x0000006F, 0)) |
| return 1; |
| if (test__ctzsi2(0x00000070, 4)) |
| return 1; |
| if (test__ctzsi2(0x00000072, 1)) |
| return 1; |
| if (test__ctzsi2(0x00000073, 0)) |
| return 1; |
| if (test__ctzsi2(0x00000074, 2)) |
| return 1; |
| if (test__ctzsi2(0x00000075, 0)) |
| return 1; |
| if (test__ctzsi2(0x00000076, 1)) |
| return 1; |
| if (test__ctzsi2(0x00000077, 0)) |
| return 1; |
| if (test__ctzsi2(0x00000078, 3)) |
| return 1; |
| if (test__ctzsi2(0x00000079, 0)) |
| return 1; |
| if (test__ctzsi2(0x0000007A, 1)) |
| return 1; |
| if (test__ctzsi2(0x0000007B, 0)) |
| return 1; |
| if (test__ctzsi2(0x0000007C, 2)) |
| return 1; |
| if (test__ctzsi2(0x0000007D, 0)) |
| return 1; |
| if (test__ctzsi2(0x0000007E, 1)) |
| return 1; |
| if (test__ctzsi2(0x0000007F, 0)) |
| return 1; |
| if (test__ctzsi2(0x00000080, 7)) |
| return 1; |
| if (test__ctzsi2(0x00000082, 1)) |
| return 1; |
| if (test__ctzsi2(0x00000083, 0)) |
| return 1; |
| if (test__ctzsi2(0x00000084, 2)) |
| return 1; |
| if (test__ctzsi2(0x00000085, 0)) |
| return 1; |
| if (test__ctzsi2(0x00000086, 1)) |
| return 1; |
| if (test__ctzsi2(0x00000087, 0)) |
| return 1; |
| if (test__ctzsi2(0x00000088, 3)) |
| return 1; |
| if (test__ctzsi2(0x00000089, 0)) |
| return 1; |
| if (test__ctzsi2(0x0000008A, 1)) |
| return 1; |
| if (test__ctzsi2(0x0000008B, 0)) |
| return 1; |
| if (test__ctzsi2(0x0000008C, 2)) |
| return 1; |
| if (test__ctzsi2(0x0000008D, 0)) |
| return 1; |
| if (test__ctzsi2(0x0000008E, 1)) |
| return 1; |
| if (test__ctzsi2(0x0000008F, 0)) |
| return 1; |
| if (test__ctzsi2(0x00000090, 4)) |
| return 1; |
| if (test__ctzsi2(0x00000092, 1)) |
| return 1; |
| if (test__ctzsi2(0x00000093, 0)) |
| return 1; |
| if (test__ctzsi2(0x00000094, 2)) |
| return 1; |
| if (test__ctzsi2(0x00000095, 0)) |
| return 1; |
| if (test__ctzsi2(0x00000096, 1)) |
| return 1; |
| if (test__ctzsi2(0x00000097, 0)) |
| return 1; |
| if (test__ctzsi2(0x00000098, 3)) |
| return 1; |
| if (test__ctzsi2(0x00000099, 0)) |
| return 1; |
| if (test__ctzsi2(0x0000009A, 1)) |
| return 1; |
| if (test__ctzsi2(0x0000009B, 0)) |
| return 1; |
| if (test__ctzsi2(0x0000009C, 2)) |
| return 1; |
| if (test__ctzsi2(0x0000009D, 0)) |
| return 1; |
| if (test__ctzsi2(0x0000009E, 1)) |
| return 1; |
| if (test__ctzsi2(0x0000009F, 0)) |
| return 1; |
| if (test__ctzsi2(0x000000A0, 5)) |
| return 1; |
| if (test__ctzsi2(0x000000A2, 1)) |
| return 1; |
| if (test__ctzsi2(0x000000A3, 0)) |
| return 1; |
| if (test__ctzsi2(0x000000A4, 2)) |
| return 1; |
| if (test__ctzsi2(0x000000A5, 0)) |
| return 1; |
| if (test__ctzsi2(0x000000A6, 1)) |
| return 1; |
| if (test__ctzsi2(0x000000A7, 0)) |
| return 1; |
| if (test__ctzsi2(0x000000A8, 3)) |
| return 1; |
| if (test__ctzsi2(0x000000A9, 0)) |
| return 1; |
| if (test__ctzsi2(0x000000AA, 1)) |
| return 1; |
| if (test__ctzsi2(0x000000AB, 0)) |
| return 1; |
| if (test__ctzsi2(0x000000AC, 2)) |
| return 1; |
| if (test__ctzsi2(0x000000AD, 0)) |
| return 1; |
| if (test__ctzsi2(0x000000AE, 1)) |
| return 1; |
| if (test__ctzsi2(0x000000AF, 0)) |
| return 1; |
| if (test__ctzsi2(0x000000B0, 4)) |
| return 1; |
| if (test__ctzsi2(0x000000B2, 1)) |
| return 1; |
| if (test__ctzsi2(0x000000B3, 0)) |
| return 1; |
| if (test__ctzsi2(0x000000B4, 2)) |
| return 1; |
| if (test__ctzsi2(0x000000B5, 0)) |
| return 1; |
| if (test__ctzsi2(0x000000B6, 1)) |
| return 1; |
| if (test__ctzsi2(0x000000B7, 0)) |
| return 1; |
| if (test__ctzsi2(0x000000B8, 3)) |
| return 1; |
| if (test__ctzsi2(0x000000B9, 0)) |
| return 1; |
| if (test__ctzsi2(0x000000BA, 1)) |
| return 1; |
| if (test__ctzsi2(0x000000BB, 0)) |
| return 1; |
| if (test__ctzsi2(0x000000BC, 2)) |
| return 1; |
| if (test__ctzsi2(0x000000BD, 0)) |
| return 1; |
| if (test__ctzsi2(0x000000BE, 1)) |
| return 1; |
| if (test__ctzsi2(0x000000BF, 0)) |
| return 1; |
| if (test__ctzsi2(0x000000C0, 6)) |
| return 1; |
| if (test__ctzsi2(0x000000C2, 1)) |
| return 1; |
| if (test__ctzsi2(0x000000C3, 0)) |
| return 1; |
| if (test__ctzsi2(0x000000C4, 2)) |
| return 1; |
| if (test__ctzsi2(0x000000C5, 0)) |
| return 1; |
| if (test__ctzsi2(0x000000C6, 1)) |
| return 1; |
| if (test__ctzsi2(0x000000C7, 0)) |
| return 1; |
| if (test__ctzsi2(0x000000C8, 3)) |
| return 1; |
| if (test__ctzsi2(0x000000C9, 0)) |
| return 1; |
| if (test__ctzsi2(0x000000CA, 1)) |
| return 1; |
| if (test__ctzsi2(0x000000CB, 0)) |
| return 1; |
| if (test__ctzsi2(0x000000CC, 2)) |
| return 1; |
| if (test__ctzsi2(0x000000CD, 0)) |
| return 1; |
| if (test__ctzsi2(0x000000CE, 1)) |
| return 1; |
| if (test__ctzsi2(0x000000CF, 0)) |
| return 1; |
| if (test__ctzsi2(0x000000D0, 4)) |
| return 1; |
| if (test__ctzsi2(0x000000D2, 1)) |
| return 1; |
| if (test__ctzsi2(0x000000D3, 0)) |
| return 1; |
| if (test__ctzsi2(0x000000D4, 2)) |
| return 1; |
| if (test__ctzsi2(0x000000D5, 0)) |
| return 1; |
| if (test__ctzsi2(0x000000D6, 1)) |
| return 1; |
| if (test__ctzsi2(0x000000D7, 0)) |
| return 1; |
| if (test__ctzsi2(0x000000D8, 3)) |
| return 1; |
| if (test__ctzsi2(0x000000D9, 0)) |
| return 1; |
| if (test__ctzsi2(0x000000DA, 1)) |
| return 1; |
| if (test__ctzsi2(0x000000DB, 0)) |
| return 1; |
| if (test__ctzsi2(0x000000DC, 2)) |
| return 1; |
| if (test__ctzsi2(0x000000DD, 0)) |
| return 1; |
| if (test__ctzsi2(0x000000DE, 1)) |
| return 1; |
| if (test__ctzsi2(0x000000DF, 0)) |
| return 1; |
| if (test__ctzsi2(0x000000E0, 5)) |
| return 1; |
| if (test__ctzsi2(0x000000E2, 1)) |
| return 1; |
| if (test__ctzsi2(0x000000E3, 0)) |
| return 1; |
| if (test__ctzsi2(0x000000E4, 2)) |
| return 1; |
| if (test__ctzsi2(0x000000E5, 0)) |
| return 1; |
| if (test__ctzsi2(0x000000E6, 1)) |
| return 1; |
| if (test__ctzsi2(0x000000E7, 0)) |
| return 1; |
| if (test__ctzsi2(0x000000E8, 3)) |
| return 1; |
| if (test__ctzsi2(0x000000E9, 0)) |
| return 1; |
| if (test__ctzsi2(0x000000EA, 1)) |
| return 1; |
| if (test__ctzsi2(0x000000EB, 0)) |
| return 1; |
| if (test__ctzsi2(0x000000EC, 2)) |
| return 1; |
| if (test__ctzsi2(0x000000ED, 0)) |
| return 1; |
| if (test__ctzsi2(0x000000EE, 1)) |
| return 1; |
| if (test__ctzsi2(0x000000EF, 0)) |
| return 1; |
| if (test__ctzsi2(0x000000F0, 4)) |
| return 1; |
| if (test__ctzsi2(0x000000F2, 1)) |
| return 1; |
| if (test__ctzsi2(0x000000F3, 0)) |
| return 1; |
| if (test__ctzsi2(0x000000F4, 2)) |
| return 1; |
| if (test__ctzsi2(0x000000F5, 0)) |
| return 1; |
| if (test__ctzsi2(0x000000F6, 1)) |
| return 1; |
| if (test__ctzsi2(0x000000F7, 0)) |
| return 1; |
| if (test__ctzsi2(0x000000F8, 3)) |
| return 1; |
| if (test__ctzsi2(0x000000F9, 0)) |
| return 1; |
| if (test__ctzsi2(0x000000FA, 1)) |
| return 1; |
| if (test__ctzsi2(0x000000FB, 0)) |
| return 1; |
| if (test__ctzsi2(0x000000FC, 2)) |
| return 1; |
| if (test__ctzsi2(0x000000FD, 0)) |
| return 1; |
| if (test__ctzsi2(0x000000FE, 1)) |
| return 1; |
| if (test__ctzsi2(0x000000FF, 0)) |
| return 1; |
| |
| if (test__ctzsi2(0x00000100, 8)) |
| return 1; |
| if (test__ctzsi2(0x00000200, 9)) |
| return 1; |
| if (test__ctzsi2(0x00000400, 10)) |
| return 1; |
| if (test__ctzsi2(0x00000800, 11)) |
| return 1; |
| if (test__ctzsi2(0x00001000, 12)) |
| return 1; |
| if (test__ctzsi2(0x00002000, 13)) |
| return 1; |
| if (test__ctzsi2(0x00004000, 14)) |
| return 1; |
| if (test__ctzsi2(0x00008000, 15)) |
| return 1; |
| if (test__ctzsi2(0x00010000, 16)) |
| return 1; |
| if (test__ctzsi2(0x00020000, 17)) |
| return 1; |
| if (test__ctzsi2(0x00040000, 18)) |
| return 1; |
| if (test__ctzsi2(0x00080000, 19)) |
| return 1; |
| if (test__ctzsi2(0x00100000, 20)) |
| return 1; |
| if (test__ctzsi2(0x00200000, 21)) |
| return 1; |
| if (test__ctzsi2(0x00400000, 22)) |
| return 1; |
| if (test__ctzsi2(0x00800000, 23)) |
| return 1; |
| if (test__ctzsi2(0x01000000, 24)) |
| return 1; |
| if (test__ctzsi2(0x02000000, 25)) |
| return 1; |
| if (test__ctzsi2(0x04000000, 26)) |
| return 1; |
| if (test__ctzsi2(0x08000000, 27)) |
| return 1; |
| if (test__ctzsi2(0x10000000, 28)) |
| return 1; |
| if (test__ctzsi2(0x20000000, 29)) |
| return 1; |
| if (test__ctzsi2(0x40000000, 30)) |
| return 1; |
| if (test__ctzsi2(0x80000000, 31)) |
| return 1; |
| |
| return 0; |
| } |
