File: modti3_test.c

package info (click to toggle)
llvm-toolchain-7 1%3A7.0.1-8
  • links: PTS, VCS
  • area: main
  • in suites: buster
  • size: 733,456 kB
  • sloc: cpp: 3,776,651; ansic: 633,271; asm: 350,301; python: 142,716; objc: 107,612; sh: 22,626; lisp: 11,056; perl: 7,999; pascal: 6,742; ml: 5,537; awk: 3,536; makefile: 2,557; cs: 2,027; xml: 841; ruby: 156
file content (96 lines) | stat: -rw-r--r-- 2,678 bytes parent folder | download | duplicates (4)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
// RUN: %clang_builtins %s %librt -o %t && %run %t
//===-- modti3_test.c - Test __modti3 -------------------------------------===//
//
//                     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 __modti3 for the compiler_rt library.
//
//===----------------------------------------------------------------------===//

#include "int_lib.h"
#include <stdio.h>

#ifdef CRT_HAS_128BIT

// Returns: a % b

COMPILER_RT_ABI ti_int __modti3(ti_int a, ti_int b);

int test__modti3(ti_int a, ti_int b, ti_int expected)
{
    ti_int x = __modti3(a, b);
    if (x != expected)
    {
        twords at;
        at.all = a;
        twords bt;
        bt.all = b;
        twords xt;
        xt.all = x;
        twords expectedt;
        expectedt.all = expected;
        printf("error in __modti3: 0x%.16llX%.16llX %% 0x%.16llX%.16llX = "
               "0x%.16llX%.16llX, expected 0x%.16llX%.16llX\n",
               at.s.high, at.s.low, bt.s.high, bt.s.low, xt.s.high, xt.s.low,
               expectedt.s.high, expectedt.s.low);
    }
    return x != expected;
}

char assumption_1[sizeof(ti_int) == 2*sizeof(di_int)] = {0};

#endif

int main()
{
#ifdef CRT_HAS_128BIT
    if (test__modti3(0, 1, 0))
        return 1;
    if (test__modti3(0, -1, 0))
        return 1;

    if (test__modti3(5, 3, 2))
        return 1;
    if (test__modti3(5, -3, 2))
        return 1;
    if (test__modti3(-5, 3, -2))
        return 1;
    if (test__modti3(-5, -3, -2))
        return 1;

    if (test__modti3(0x8000000000000000LL, 1, 0x0LL))
        return 1;
    if (test__modti3(0x8000000000000000LL, -1, 0x0LL))
        return 1;
    if (test__modti3(0x8000000000000000LL, 2, 0x0LL))
        return 1;
    if (test__modti3(0x8000000000000000LL, -2, 0x0LL))
        return 1;
    if (test__modti3(0x8000000000000000LL, 3, 2))
        return 1;
    if (test__modti3(0x8000000000000000LL, -3, 2))
        return 1;

    if (test__modti3(make_ti(0x8000000000000000LL, 0), 1, 0x0LL))
        return 1;
    if (test__modti3(make_ti(0x8000000000000000LL, 0), -1, 0x0LL))
        return 1;
    if (test__modti3(make_ti(0x8000000000000000LL, 0), 2, 0x0LL))
        return 1;
    if (test__modti3(make_ti(0x8000000000000000LL, 0), -2, 0x0LL))
        return 1;
    if (test__modti3(make_ti(0x8000000000000000LL, 0), 3, -2))
        return 1;
    if (test__modti3(make_ti(0x8000000000000000LL, 0), -3, -2))
        return 1;

#else
    printf("skipped\n");
#endif
    return 0;
}