xref: /minix3/sys/external/bsd/compiler_rt/dist/test/Unit/divsi3_test.c (revision 4684ddb6aab0b36791c8099bc705d6140b3d05d0)
1*4684ddb6SLionel Sambuc //===-- divsi3_test.c - Test __divsi3 -------------------------------------===//
2*4684ddb6SLionel Sambuc //
3*4684ddb6SLionel Sambuc //                     The LLVM Compiler Infrastructure
4*4684ddb6SLionel Sambuc //
5*4684ddb6SLionel Sambuc // This file is dual licensed under the MIT and the University of Illinois Open
6*4684ddb6SLionel Sambuc // Source Licenses. See LICENSE.TXT for details.
7*4684ddb6SLionel Sambuc //
8*4684ddb6SLionel Sambuc //===----------------------------------------------------------------------===//
9*4684ddb6SLionel Sambuc //
10*4684ddb6SLionel Sambuc // This file tests __divsi3 for the compiler_rt library.
11*4684ddb6SLionel Sambuc //
12*4684ddb6SLionel Sambuc //===----------------------------------------------------------------------===//
13*4684ddb6SLionel Sambuc 
14*4684ddb6SLionel Sambuc #include "int_lib.h"
15*4684ddb6SLionel Sambuc #include <stdio.h>
16*4684ddb6SLionel Sambuc 
17*4684ddb6SLionel Sambuc // Returns: a / b
18*4684ddb6SLionel Sambuc 
19*4684ddb6SLionel Sambuc si_int __divsi3(si_int a, si_int b);
20*4684ddb6SLionel Sambuc 
test__divsi3(si_int a,si_int b,si_int expected)21*4684ddb6SLionel Sambuc int test__divsi3(si_int a, si_int b, si_int expected)
22*4684ddb6SLionel Sambuc {
23*4684ddb6SLionel Sambuc     si_int x = __divsi3(a, b);
24*4684ddb6SLionel Sambuc     if (x != expected)
25*4684ddb6SLionel Sambuc         printf("error in __divsi3: %d / %d = %d, expected %d\n",
26*4684ddb6SLionel Sambuc                a, b, x, expected);
27*4684ddb6SLionel Sambuc     return x != expected;
28*4684ddb6SLionel Sambuc }
29*4684ddb6SLionel Sambuc 
main()30*4684ddb6SLionel Sambuc int main()
31*4684ddb6SLionel Sambuc {
32*4684ddb6SLionel Sambuc     if (test__divsi3(0, 1, 0))
33*4684ddb6SLionel Sambuc         return 1;
34*4684ddb6SLionel Sambuc     if (test__divsi3(0, -1, 0))
35*4684ddb6SLionel Sambuc         return 1;
36*4684ddb6SLionel Sambuc 
37*4684ddb6SLionel Sambuc     if (test__divsi3(2, 1, 2))
38*4684ddb6SLionel Sambuc         return 1;
39*4684ddb6SLionel Sambuc     if (test__divsi3(2, -1, -2))
40*4684ddb6SLionel Sambuc         return 1;
41*4684ddb6SLionel Sambuc     if (test__divsi3(-2, 1, -2))
42*4684ddb6SLionel Sambuc         return 1;
43*4684ddb6SLionel Sambuc     if (test__divsi3(-2, -1, 2))
44*4684ddb6SLionel Sambuc         return 1;
45*4684ddb6SLionel Sambuc 
46*4684ddb6SLionel Sambuc     if (test__divsi3(0x80000000, 1, 0x80000000))
47*4684ddb6SLionel Sambuc         return 1;
48*4684ddb6SLionel Sambuc     if (test__divsi3(0x80000000, -1, 0x80000000))
49*4684ddb6SLionel Sambuc         return 1;
50*4684ddb6SLionel Sambuc     if (test__divsi3(0x80000000, -2, 0x40000000))
51*4684ddb6SLionel Sambuc         return 1;
52*4684ddb6SLionel Sambuc     if (test__divsi3(0x80000000, 2, 0xC0000000))
53*4684ddb6SLionel Sambuc         return 1;
54*4684ddb6SLionel Sambuc 
55*4684ddb6SLionel Sambuc     return 0;
56*4684ddb6SLionel Sambuc }
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