1*4684ddb6SLionel Sambuc //===-- fixsfti_test.c - Test __fixsfti -----------------------------------===//
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 __fixsfti for the compiler_rt library.
11*4684ddb6SLionel Sambuc //
12*4684ddb6SLionel Sambuc //===----------------------------------------------------------------------===//
13*4684ddb6SLionel Sambuc
14*4684ddb6SLionel Sambuc #if __x86_64
15*4684ddb6SLionel Sambuc
16*4684ddb6SLionel Sambuc #include "int_lib.h"
17*4684ddb6SLionel Sambuc #include <stdio.h>
18*4684ddb6SLionel Sambuc
19*4684ddb6SLionel Sambuc // Returns: convert a to a signed long long, rounding toward zero.
20*4684ddb6SLionel Sambuc
21*4684ddb6SLionel Sambuc // Assumption: float is a IEEE 32 bit floating point type
22*4684ddb6SLionel Sambuc // su_int is a 32 bit integral type
23*4684ddb6SLionel Sambuc // value in float is representable in ti_int (no range checking performed)
24*4684ddb6SLionel Sambuc
25*4684ddb6SLionel Sambuc // seee eeee emmm mmmm mmmm mmmm mmmm mmmm
26*4684ddb6SLionel Sambuc
27*4684ddb6SLionel Sambuc ti_int __fixsfti(float a);
28*4684ddb6SLionel Sambuc
test__fixsfti(float a,ti_int expected)29*4684ddb6SLionel Sambuc int test__fixsfti(float a, ti_int expected)
30*4684ddb6SLionel Sambuc {
31*4684ddb6SLionel Sambuc ti_int x = __fixsfti(a);
32*4684ddb6SLionel Sambuc if (x != expected)
33*4684ddb6SLionel Sambuc {
34*4684ddb6SLionel Sambuc twords xt;
35*4684ddb6SLionel Sambuc xt.all = x;
36*4684ddb6SLionel Sambuc twords expectedt;
37*4684ddb6SLionel Sambuc expectedt.all = expected;
38*4684ddb6SLionel Sambuc printf("error in __fixsfti(%A) = 0x%.16llX%.16llX, expected 0x%.16llX%.16llX\n",
39*4684ddb6SLionel Sambuc a, xt.s.high, xt.s.low, expectedt.s.high, expectedt.s.low);
40*4684ddb6SLionel Sambuc }
41*4684ddb6SLionel Sambuc return x != expected;
42*4684ddb6SLionel Sambuc }
43*4684ddb6SLionel Sambuc
44*4684ddb6SLionel Sambuc char assumption_1[sizeof(ti_int) == 2*sizeof(di_int)] = {0};
45*4684ddb6SLionel Sambuc char assumption_2[sizeof(su_int)*CHAR_BIT == 32] = {0};
46*4684ddb6SLionel Sambuc char assumption_3[sizeof(float)*CHAR_BIT == 32] = {0};
47*4684ddb6SLionel Sambuc
48*4684ddb6SLionel Sambuc #endif
49*4684ddb6SLionel Sambuc
main()50*4684ddb6SLionel Sambuc int main()
51*4684ddb6SLionel Sambuc {
52*4684ddb6SLionel Sambuc #if __x86_64
53*4684ddb6SLionel Sambuc if (test__fixsfti(0.0F, 0))
54*4684ddb6SLionel Sambuc return 1;
55*4684ddb6SLionel Sambuc
56*4684ddb6SLionel Sambuc if (test__fixsfti(0.5F, 0))
57*4684ddb6SLionel Sambuc return 1;
58*4684ddb6SLionel Sambuc if (test__fixsfti(0.99F, 0))
59*4684ddb6SLionel Sambuc return 1;
60*4684ddb6SLionel Sambuc if (test__fixsfti(1.0F, 1))
61*4684ddb6SLionel Sambuc return 1;
62*4684ddb6SLionel Sambuc if (test__fixsfti(1.5F, 1))
63*4684ddb6SLionel Sambuc return 1;
64*4684ddb6SLionel Sambuc if (test__fixsfti(1.99F, 1))
65*4684ddb6SLionel Sambuc return 1;
66*4684ddb6SLionel Sambuc if (test__fixsfti(2.0F, 2))
67*4684ddb6SLionel Sambuc return 1;
68*4684ddb6SLionel Sambuc if (test__fixsfti(2.01F, 2))
69*4684ddb6SLionel Sambuc return 1;
70*4684ddb6SLionel Sambuc if (test__fixsfti(-0.5F, 0))
71*4684ddb6SLionel Sambuc return 1;
72*4684ddb6SLionel Sambuc if (test__fixsfti(-0.99F, 0))
73*4684ddb6SLionel Sambuc return 1;
74*4684ddb6SLionel Sambuc if (test__fixsfti(-1.0F, -1))
75*4684ddb6SLionel Sambuc return 1;
76*4684ddb6SLionel Sambuc if (test__fixsfti(-1.5F, -1))
77*4684ddb6SLionel Sambuc return 1;
78*4684ddb6SLionel Sambuc if (test__fixsfti(-1.99F, -1))
79*4684ddb6SLionel Sambuc return 1;
80*4684ddb6SLionel Sambuc if (test__fixsfti(-2.0F, -2))
81*4684ddb6SLionel Sambuc return 1;
82*4684ddb6SLionel Sambuc if (test__fixsfti(-2.01F, -2))
83*4684ddb6SLionel Sambuc return 1;
84*4684ddb6SLionel Sambuc
85*4684ddb6SLionel Sambuc if (test__fixsfti(0x1.FFFFFEp+62F, 0x7FFFFF8000000000LL))
86*4684ddb6SLionel Sambuc return 1;
87*4684ddb6SLionel Sambuc if (test__fixsfti(0x1.FFFFFCp+62F, 0x7FFFFF0000000000LL))
88*4684ddb6SLionel Sambuc return 1;
89*4684ddb6SLionel Sambuc
90*4684ddb6SLionel Sambuc if (test__fixsfti(-0x1.FFFFFEp+62F, make_ti(0xFFFFFFFFFFFFFFFFLL,
91*4684ddb6SLionel Sambuc 0x8000008000000000LL)))
92*4684ddb6SLionel Sambuc return 1;
93*4684ddb6SLionel Sambuc if (test__fixsfti(-0x1.FFFFFCp+62F, make_ti(0xFFFFFFFFFFFFFFFFLL,
94*4684ddb6SLionel Sambuc 0x8000010000000000LL)))
95*4684ddb6SLionel Sambuc return 1;
96*4684ddb6SLionel Sambuc
97*4684ddb6SLionel Sambuc if (test__fixsfti(0x1.FFFFFEp+126F, make_ti(0x7FFFFF8000000000LL, 0)))
98*4684ddb6SLionel Sambuc return 1;
99*4684ddb6SLionel Sambuc if (test__fixsfti(0x1.FFFFFCp+126F, make_ti(0x7FFFFF0000000000LL, 0)))
100*4684ddb6SLionel Sambuc return 1;
101*4684ddb6SLionel Sambuc
102*4684ddb6SLionel Sambuc if (test__fixsfti(-0x1.FFFFFEp+126F, make_ti(0x8000008000000000LL, 0)))
103*4684ddb6SLionel Sambuc return 1;
104*4684ddb6SLionel Sambuc if (test__fixsfti(-0x1.FFFFFCp+126F, make_ti(0x8000010000000000LL, 0)))
105*4684ddb6SLionel Sambuc return 1;
106*4684ddb6SLionel Sambuc
107*4684ddb6SLionel Sambuc #else
108*4684ddb6SLionel Sambuc printf("skipped\n");
109*4684ddb6SLionel Sambuc #endif
110*4684ddb6SLionel Sambuc return 0;
111*4684ddb6SLionel Sambuc }
112