66 lines · c
1// RUN: %clang_builtins %s %librt -o %t && %run %t2// REQUIRES: librt_has_ucmpdi23 4#include "int_lib.h"5#include <stdio.h>6 7// Returns: if (a < b) returns 08// if (a == b) returns 19// if (a > b) returns 210 11COMPILER_RT_ABI si_int __ucmpdi2(du_int a, du_int b);12 13int test__ucmpdi2(du_int a, du_int b, si_int expected)14{15 si_int x = __ucmpdi2(a, b);16 if (x != expected)17 printf("error in __ucmpdi2(0x%llX, 0x%llX) = %d, expected %d\n",18 a, b, x, expected);19 return x != expected;20}21 22int main()23{24 if (test__ucmpdi2(0, 0, 1))25 return 1;26 if (test__ucmpdi2(1, 1, 1))27 return 1;28 if (test__ucmpdi2(2, 2, 1))29 return 1;30 if (test__ucmpdi2(0x7FFFFFFF, 0x7FFFFFFF, 1))31 return 1;32 if (test__ucmpdi2(0x80000000, 0x80000000, 1))33 return 1;34 if (test__ucmpdi2(0x80000001, 0x80000001, 1))35 return 1;36 if (test__ucmpdi2(0xFFFFFFFF, 0xFFFFFFFF, 1))37 return 1;38 if (test__ucmpdi2(0x000000010000000LL, 0x000000010000000LL, 1))39 return 1;40 if (test__ucmpdi2(0xFFFFFFFFFFFFFFFFLL, 0xFFFFFFFFFFFFFFFFLL, 1))41 return 1;42 43 if (test__ucmpdi2(0x0000000200000002LL, 0x0000000300000001LL, 0))44 return 1;45 if (test__ucmpdi2(0x0000000200000002LL, 0x0000000300000002LL, 0))46 return 1;47 if (test__ucmpdi2(0x0000000200000002LL, 0x0000000300000003LL, 0))48 return 1;49 50 if (test__ucmpdi2(0x0000000200000002LL, 0x0000000100000001LL, 2))51 return 1;52 if (test__ucmpdi2(0x0000000200000002LL, 0x0000000100000002LL, 2))53 return 1;54 if (test__ucmpdi2(0x0000000200000002LL, 0x0000000100000003LL, 2))55 return 1;56 57 if (test__ucmpdi2(0x0000000200000002LL, 0x0000000200000001LL, 2))58 return 1;59 if (test__ucmpdi2(0x0000000200000002LL, 0x0000000200000002LL, 1))60 return 1;61 if (test__ucmpdi2(0x0000000200000002LL, 0x0000000200000003LL, 0))62 return 1;63 64 return 0;65}66