| // REQUIRES-ANY: arm-target-arch,armv6m-target-arch |
| // RUN: %clang_builtins %s %librt -o %t && %run %t |
| //===-- aeabi_uidivmod_test.c - Test __aeabi_uidivmod ---------------------===// |
| // |
| // The LLVM Compiler Infrastructure |
| // |
| // This file is dual licensed under the MIT and the University of Illinois Open |
| // Source Licenses. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| // |
| // This file tests __aeabi_uidivmod for the compiler_rt library. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #include "int_lib.h" |
| #include <stdio.h> |
| |
| #if __arm__ |
| // Based on udivmodsi4_test.c |
| |
| extern du_int __aeabi_uidivmod(su_int a, su_int b); |
| |
| int test__aeabi_uidivmod(su_int a, su_int b, |
| su_int expected_result, su_int expected_rem) |
| { |
| du_int ret = __aeabi_uidivmod(a, b); |
| su_int rem = ret >> 32; |
| si_int result = ret & 0xFFFFFFFF; |
| |
| if (result != expected_result) { |
| printf("error in __aeabi_uidivmod: %u / %u = %u, expected %u\n", |
| a, b, result, expected_result); |
| return 1; |
| } |
| if (rem != expected_rem) { |
| printf("error in __aeabi_uidivmod: %u mod %u = %u, expected %u\n", |
| a, b, rem, expected_rem); |
| return 1; |
| } |
| |
| return 0; |
| } |
| #endif |
| |
| |
| int main() |
| { |
| #if __arm__ |
| if (test__aeabi_uidivmod(0, 1, 0, 0)) |
| return 1; |
| |
| if (test__aeabi_uidivmod(2, 1, 2, 0)) |
| return 1; |
| |
| if (test__aeabi_uidivmod(19, 5, 3, 4)) |
| return 1; |
| |
| if (test__aeabi_uidivmod(0x80000000, 8, 0x10000000, 0)) |
| return 1; |
| |
| if (test__aeabi_uidivmod(0x80000003, 8, 0x10000000, 3)) |
| return 1; |
| #else |
| printf("skipped\n"); |
| #endif |
| |
| return 0; |
| } |