1 //===-- subvsi3_test.c - Test __subvsi3 -----------------------------------===//
3 // The LLVM Compiler Infrastructure
5 // This file is dual licensed under the MIT and the University of Illinois Open
6 // Source Licenses. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 // This file tests __subvsi3 for the compiler_rt library.
12 //===----------------------------------------------------------------------===//
20 // Effects: aborts if a - b overflows
22 si_int __subvsi3(si_int a, si_int b);
24 int test__subvsi3(si_int a, si_int b)
26 si_int x = __subvsi3(a, b);
27 si_int expected = a - b;
29 printf("error in test__subvsi3(0x%X, 0x%X) = %d, expected %d\n",
36 // test__subvsi3(0x80000000, 1); // should abort
37 // test__subvsi3(0, 0x80000000); // should abort
38 // test__subvsi3(1, 0x80000000); // should abort
39 // test__subvsi3(0x7FFFFFFF, -1); // should abort
40 // test__subvsi3(-2, 0x7FFFFFFF); // should abort
42 if (test__subvsi3(0x80000000, -1))
44 if (test__subvsi3(0x80000000, 0))
46 if (test__subvsi3(-1, 0x80000000))
48 if (test__subvsi3(0x7FFFFFFF, 1))
50 if (test__subvsi3(0x7FFFFFFF, 0))
52 if (test__subvsi3(1, 0x7FFFFFFF))
54 if (test__subvsi3(0, 0x7FFFFFFF))
56 if (test__subvsi3(-1, 0x7FFFFFFF))