| // REQUIRES-ANY: arm-target-arch,armv6m-target-arch |
| // RUN: %clang_builtins %s %librt -o %t && %run %t |
| //===-- aeabi_idivmod_test.c - Test __aeabi_idivmod -----------------------===// |
| // |
| // 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_idivmod for the compiler_rt library. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #include "int_lib.h" |
| #include <stdio.h> |
| |
| #if __arm__ |
| // Based on divmodsi4_test.c |
| |
| extern du_int __aeabi_idivmod(si_int a, si_int b); |
| |
| int test__aeabi_idivmod(si_int a, si_int b, |
| si_int expected_result, si_int expected_rem) |
| { |
| si_int rem; |
| du_int ret = __aeabi_idivmod(a, b); |
| rem = ret >> 32; |
| si_int result = ret & 0xFFFFFFFF; |
| if (result != expected_result) { |
| printf("error in __aeabi_idivmod: %d / %d = %d, expected %d\n", |
| a, b, result, expected_result); |
| return 1; |
| } |
| if (rem != expected_rem) { |
| printf("error in __aeabi_idivmod: %d mod %d = %d, expected %d\n", |
| a, b, rem, expected_rem); |
| return 1; |
| } |
| |
| return 0; |
| } |
| #endif |
| |
| |
| int main() |
| { |
| #if __arm__ |
| if (test__aeabi_idivmod(0, 1, 0, 0)) |
| return 1; |
| if (test__aeabi_idivmod(0, -1, 0, 0)) |
| return 1; |
| |
| if (test__aeabi_idivmod(2, 1, 2, 0)) |
| return 1; |
| if (test__aeabi_idivmod(2, -1, -2, 0)) |
| return 1; |
| if (test__aeabi_idivmod(-2, 1, -2, 0)) |
| return 1; |
| if (test__aeabi_idivmod(-2, -1, 2, 0)) |
| return 1; |
| |
| if (test__aeabi_idivmod(7, 5, 1, 2)) |
| return 1; |
| if (test__aeabi_idivmod(-7, 5, -1, -2)) |
| return 1; |
| if (test__aeabi_idivmod(19, 5, 3, 4)) |
| return 1; |
| if (test__aeabi_idivmod(19, -5, -3, 4)) |
| return 1; |
| |
| if (test__aeabi_idivmod(0x80000000, 8, 0xf0000000, 0)) |
| return 1; |
| if (test__aeabi_idivmod(0x80000007, 8, 0xf0000001, -1)) |
| return 1; |
| #else |
| printf("skipped\n"); |
| #endif |
| |
| return 0; |
| } |