1//===-- fixunstfdi_test.c - Test __fixunstfdi -----------------------------===//
2//
3//                     The LLVM Compiler Infrastructure
4//
5// This file is dual licensed under the MIT and the University of Illinois Open
6// Source Licenses. See LICENSE.TXT for details.
7//
8//===----------------------------------------------------------------------===//
9//
10// This file tests __fixunstfdi for the compiler_rt library.
11//
12//===----------------------------------------------------------------------===//
13
14#if _ARCH_PPC
15
16#include "int_lib.h"
17#include <stdio.h>
18
19// Returns: convert a to a unsigned long long, rounding toward zero.
20//          Negative values all become zero.
21
22// Assumption: long double is a ppc 128 bit floating point type
23//             du_int is a 64 bit integral type
24//             value in long double is representable in du_int or is negative
25//                 (no range checking performed)
26
27du_int __fixunstfdi(long double a);
28
29int test__fixunstfdi(long double a, du_int expected)
30{
31    du_int x = __fixunstfdi(a);
32    if (x != expected)
33        printf("error in __fixunstfdi(%LA) = %llX, expected %llX\n",
34               a, x, expected);
35    return x != expected;
36}
37
38char assumption_1[sizeof(du_int) == 2*sizeof(su_int)] = {0};
39char assumption_2[sizeof(du_int)*CHAR_BIT == 64] = {0};
40char assumption_3[sizeof(long double)*CHAR_BIT == 128] = {0};
41
42#endif
43
44int main()
45{
46#if _ARCH_PPC
47    if (test__fixunstfdi(0.0, 0))
48        return 1;
49
50    if (test__fixunstfdi(0.5, 0))
51        return 1;
52    if (test__fixunstfdi(0.99, 0))
53        return 1;
54    if (test__fixunstfdi(1.0, 1))
55        return 1;
56    if (test__fixunstfdi(1.5, 1))
57        return 1;
58    if (test__fixunstfdi(1.99, 1))
59        return 1;
60    if (test__fixunstfdi(2.0, 2))
61        return 1;
62    if (test__fixunstfdi(2.01, 2))
63        return 1;
64    if (test__fixunstfdi(-0.5, 0))
65        return 1;
66    if (test__fixunstfdi(-0.99, 0))
67        return 1;
68    if (test__fixunstfdi(-1.0, 0))
69        return 1;
70    if (test__fixunstfdi(-1.5, 0))
71        return 1;
72    if (test__fixunstfdi(-1.99, 0))
73        return 1;
74    if (test__fixunstfdi(-2.0, 0))
75        return 1;
76    if (test__fixunstfdi(-2.01, 0))
77        return 1;
78
79    if (test__fixunstfdi(0x1.FFFFFEp+62, 0x7FFFFF8000000000LL))
80        return 1;
81    if (test__fixunstfdi(0x1.FFFFFCp+62, 0x7FFFFF0000000000LL))
82        return 1;
83
84    if (test__fixunstfdi(-0x1.FFFFFEp+62, 0))
85        return 1;
86    if (test__fixunstfdi(-0x1.FFFFFCp+62, 0))
87        return 1;
88
89    if (test__fixunstfdi(0x1.FFFFFFFFFFFFFp+62, 0x7FFFFFFFFFFFFC00LL))
90        return 1;
91    if (test__fixunstfdi(0x1.FFFFFFFFFFFFEp+62, 0x7FFFFFFFFFFFF800LL))
92        return 1;
93
94    if (test__fixunstfdi(-0x1.FFFFFFFFFFFFFp+62, 0))
95        return 1;
96    if (test__fixunstfdi(-0x1.FFFFFFFFFFFFEp+62, 0))
97        return 1;
98
99    if (test__fixunstfdi(0x1.FFFFFFFFFFFFFFFEp+63L, 0xFFFFFFFFFFFFFFFFLL))
100        return 1;
101    if (test__fixunstfdi(0x1.0000000000000002p+63L, 0x8000000000000001LL))
102        return 1;
103    if (test__fixunstfdi(0x1.0000000000000000p+63L, 0x8000000000000000LL))
104        return 1;
105    if (test__fixunstfdi(0x1.FFFFFFFFFFFFFFFCp+62L, 0x7FFFFFFFFFFFFFFFLL))
106        return 1;
107    if (test__fixunstfdi(0x1.FFFFFFFFFFFFFFF8p+62L, 0x7FFFFFFFFFFFFFFELL))
108        return 1;
109
110    if (test__fixunstfdi(-0x1.0000000000000000p+63L, 0))
111        return 1;
112    if (test__fixunstfdi(-0x1.FFFFFFFFFFFFFFFCp+62L, 0))
113        return 1;
114    if (test__fixunstfdi(-0x1.FFFFFFFFFFFFFFF8p+62L, 0))
115        return 1;
116
117#else
118    printf("skipped\n");
119#endif
120   return 0;
121}
122