1*b9829059Sjoerg //===-- fixunstfdi_test.c - Test __fixunstfdi -----------------------------===//
2*b9829059Sjoerg //
3*b9829059Sjoerg // The LLVM Compiler Infrastructure
4*b9829059Sjoerg //
5*b9829059Sjoerg // This file is dual licensed under the MIT and the University of Illinois Open
6*b9829059Sjoerg // Source Licenses. See LICENSE.TXT for details.
7*b9829059Sjoerg //
8*b9829059Sjoerg //===----------------------------------------------------------------------===//
9*b9829059Sjoerg //
10*b9829059Sjoerg // This file tests __fixunstfdi for the compiler_rt library.
11*b9829059Sjoerg //
12*b9829059Sjoerg //===----------------------------------------------------------------------===//
13*b9829059Sjoerg
14*b9829059Sjoerg #if _ARCH_PPC
15*b9829059Sjoerg
16*b9829059Sjoerg #include "int_lib.h"
17*b9829059Sjoerg #include <stdio.h>
18*b9829059Sjoerg
19*b9829059Sjoerg // Returns: convert a to a unsigned long long, rounding toward zero.
20*b9829059Sjoerg // Negative values all become zero.
21*b9829059Sjoerg
22*b9829059Sjoerg // Assumption: long double is a ppc 128 bit floating point type
23*b9829059Sjoerg // du_int is a 64 bit integral type
24*b9829059Sjoerg // value in long double is representable in du_int or is negative
25*b9829059Sjoerg // (no range checking performed)
26*b9829059Sjoerg
27*b9829059Sjoerg du_int __fixunstfdi(long double a);
28*b9829059Sjoerg
test__fixunstfdi(long double a,du_int expected)29*b9829059Sjoerg int test__fixunstfdi(long double a, du_int expected)
30*b9829059Sjoerg {
31*b9829059Sjoerg du_int x = __fixunstfdi(a);
32*b9829059Sjoerg if (x != expected)
33*b9829059Sjoerg printf("error in __fixunstfdi(%LA) = %llX, expected %llX\n",
34*b9829059Sjoerg a, x, expected);
35*b9829059Sjoerg return x != expected;
36*b9829059Sjoerg }
37*b9829059Sjoerg
38*b9829059Sjoerg char assumption_1[sizeof(du_int) == 2*sizeof(su_int)] = {0};
39*b9829059Sjoerg char assumption_2[sizeof(du_int)*CHAR_BIT == 64] = {0};
40*b9829059Sjoerg char assumption_3[sizeof(long double)*CHAR_BIT == 128] = {0};
41*b9829059Sjoerg
42*b9829059Sjoerg #endif
43*b9829059Sjoerg
main()44*b9829059Sjoerg int main()
45*b9829059Sjoerg {
46*b9829059Sjoerg #if _ARCH_PPC
47*b9829059Sjoerg if (test__fixunstfdi(0.0, 0))
48*b9829059Sjoerg return 1;
49*b9829059Sjoerg
50*b9829059Sjoerg if (test__fixunstfdi(0.5, 0))
51*b9829059Sjoerg return 1;
52*b9829059Sjoerg if (test__fixunstfdi(0.99, 0))
53*b9829059Sjoerg return 1;
54*b9829059Sjoerg if (test__fixunstfdi(1.0, 1))
55*b9829059Sjoerg return 1;
56*b9829059Sjoerg if (test__fixunstfdi(1.5, 1))
57*b9829059Sjoerg return 1;
58*b9829059Sjoerg if (test__fixunstfdi(1.99, 1))
59*b9829059Sjoerg return 1;
60*b9829059Sjoerg if (test__fixunstfdi(2.0, 2))
61*b9829059Sjoerg return 1;
62*b9829059Sjoerg if (test__fixunstfdi(2.01, 2))
63*b9829059Sjoerg return 1;
64*b9829059Sjoerg if (test__fixunstfdi(-0.5, 0))
65*b9829059Sjoerg return 1;
66*b9829059Sjoerg if (test__fixunstfdi(-0.99, 0))
67*b9829059Sjoerg return 1;
68*b9829059Sjoerg if (test__fixunstfdi(-1.0, 0))
69*b9829059Sjoerg return 1;
70*b9829059Sjoerg if (test__fixunstfdi(-1.5, 0))
71*b9829059Sjoerg return 1;
72*b9829059Sjoerg if (test__fixunstfdi(-1.99, 0))
73*b9829059Sjoerg return 1;
74*b9829059Sjoerg if (test__fixunstfdi(-2.0, 0))
75*b9829059Sjoerg return 1;
76*b9829059Sjoerg if (test__fixunstfdi(-2.01, 0))
77*b9829059Sjoerg return 1;
78*b9829059Sjoerg
79*b9829059Sjoerg if (test__fixunstfdi(0x1.FFFFFEp+62, 0x7FFFFF8000000000LL))
80*b9829059Sjoerg return 1;
81*b9829059Sjoerg if (test__fixunstfdi(0x1.FFFFFCp+62, 0x7FFFFF0000000000LL))
82*b9829059Sjoerg return 1;
83*b9829059Sjoerg
84*b9829059Sjoerg if (test__fixunstfdi(-0x1.FFFFFEp+62, 0))
85*b9829059Sjoerg return 1;
86*b9829059Sjoerg if (test__fixunstfdi(-0x1.FFFFFCp+62, 0))
87*b9829059Sjoerg return 1;
88*b9829059Sjoerg
89*b9829059Sjoerg if (test__fixunstfdi(0x1.FFFFFFFFFFFFFp+62, 0x7FFFFFFFFFFFFC00LL))
90*b9829059Sjoerg return 1;
91*b9829059Sjoerg if (test__fixunstfdi(0x1.FFFFFFFFFFFFEp+62, 0x7FFFFFFFFFFFF800LL))
92*b9829059Sjoerg return 1;
93*b9829059Sjoerg
94*b9829059Sjoerg if (test__fixunstfdi(-0x1.FFFFFFFFFFFFFp+62, 0))
95*b9829059Sjoerg return 1;
96*b9829059Sjoerg if (test__fixunstfdi(-0x1.FFFFFFFFFFFFEp+62, 0))
97*b9829059Sjoerg return 1;
98*b9829059Sjoerg
99*b9829059Sjoerg if (test__fixunstfdi(0x1.FFFFFFFFFFFFFFFEp+63L, 0xFFFFFFFFFFFFFFFFLL))
100*b9829059Sjoerg return 1;
101*b9829059Sjoerg if (test__fixunstfdi(0x1.0000000000000002p+63L, 0x8000000000000001LL))
102*b9829059Sjoerg return 1;
103*b9829059Sjoerg if (test__fixunstfdi(0x1.0000000000000000p+63L, 0x8000000000000000LL))
104*b9829059Sjoerg return 1;
105*b9829059Sjoerg if (test__fixunstfdi(0x1.FFFFFFFFFFFFFFFCp+62L, 0x7FFFFFFFFFFFFFFFLL))
106*b9829059Sjoerg return 1;
107*b9829059Sjoerg if (test__fixunstfdi(0x1.FFFFFFFFFFFFFFF8p+62L, 0x7FFFFFFFFFFFFFFELL))
108*b9829059Sjoerg return 1;
109*b9829059Sjoerg
110*b9829059Sjoerg if (test__fixunstfdi(-0x1.0000000000000000p+63L, 0))
111*b9829059Sjoerg return 1;
112*b9829059Sjoerg if (test__fixunstfdi(-0x1.FFFFFFFFFFFFFFFCp+62L, 0))
113*b9829059Sjoerg return 1;
114*b9829059Sjoerg if (test__fixunstfdi(-0x1.FFFFFFFFFFFFFFF8p+62L, 0))
115*b9829059Sjoerg return 1;
116*b9829059Sjoerg
117*b9829059Sjoerg #else
118*b9829059Sjoerg printf("skipped\n");
119*b9829059Sjoerg #endif
120*b9829059Sjoerg return 0;
121*b9829059Sjoerg }
122