compare-fp-1.c
4.38 KB
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
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
/*
* Copyright (C) 2007
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
*
* SPDX-License-Identifier: GPL-2.0+
*/
/*
* Test for correctness of composite floating-point comparisons.
* Written by Paolo Bonzini, 26th May 2004.
* This file is originally a part of the GCC testsuite.
*/
#include <common.h>
#include <post.h>
GNU_FPOST_ATTR
#if CONFIG_POST & CONFIG_SYS_POST_FPU
static int failed;
#define TEST(c) if ((c) != ok) failed++
#define ORD(a, b) (!__builtin_isunordered ((a), (b)))
#define UNORD(a, b) (__builtin_isunordered ((a), (b)))
#define UNEQ(a, b) (__builtin_isunordered ((a), (b)) || ((a) == (b)))
#define UNLT(a, b) (__builtin_isunordered ((a), (b)) || ((a) < (b)))
#define UNLE(a, b) (__builtin_isunordered ((a), (b)) || ((a) <= (b)))
#define UNGT(a, b) (__builtin_isunordered ((a), (b)) || ((a) > (b)))
#define UNGE(a, b) (__builtin_isunordered ((a), (b)) || ((a) >= (b)))
#define LTGT(a, b) (__builtin_islessgreater ((a), (b)))
static float pinf;
static float ninf;
static float NaN;
static void iuneq (float x, float y, int ok)
{
TEST (UNEQ (x, y));
TEST (!LTGT (x, y));
TEST (UNLE (x, y) && UNGE (x,y));
}
static void ieq (float x, float y, int ok)
{
TEST (ORD (x, y) && UNEQ (x, y));
}
static void iltgt (float x, float y, int ok)
{
TEST (!UNEQ (x, y)); /* Not optimizable. */
TEST (LTGT (x, y)); /* Same, __builtin_islessgreater does not trap. */
TEST (ORD (x, y) && (UNLT (x, y) || UNGT (x,y)));
}
static void ine (float x, float y, int ok)
{
TEST (UNLT (x, y) || UNGT (x, y));
}
static void iunlt (float x, float y, int ok)
{
TEST (UNLT (x, y));
TEST (UNORD (x, y) || (x < y));
}
static void ilt (float x, float y, int ok)
{
TEST (ORD (x, y) && UNLT (x, y)); /* Not optimized */
TEST ((x <= y) && (x != y));
TEST ((x <= y) && (y != x));
TEST ((x != y) && (x <= y)); /* Not optimized */
TEST ((y != x) && (x <= y)); /* Not optimized */
}
static void iunle (float x, float y, int ok)
{
TEST (UNLE (x, y));
TEST (UNORD (x, y) || (x <= y));
}
static void ile (float x, float y, int ok)
{
TEST (ORD (x, y) && UNLE (x, y)); /* Not optimized */
TEST ((x < y) || (x == y));
TEST ((y > x) || (x == y));
TEST ((x == y) || (x < y)); /* Not optimized */
TEST ((y == x) || (x < y)); /* Not optimized */
}
static void iungt (float x, float y, int ok)
{
TEST (UNGT (x, y));
TEST (UNORD (x, y) || (x > y));
}
static void igt (float x, float y, int ok)
{
TEST (ORD (x, y) && UNGT (x, y)); /* Not optimized */
TEST ((x >= y) && (x != y));
TEST ((x >= y) && (y != x));
TEST ((x != y) && (x >= y)); /* Not optimized */
TEST ((y != x) && (x >= y)); /* Not optimized */
}
static void iunge (float x, float y, int ok)
{
TEST (UNGE (x, y));
TEST (UNORD (x, y) || (x >= y));
}
static void ige (float x, float y, int ok)
{
TEST (ORD (x, y) && UNGE (x, y)); /* Not optimized */
TEST ((x > y) || (x == y));
TEST ((y < x) || (x == y));
TEST ((x == y) || (x > y)); /* Not optimized */
TEST ((y == x) || (x > y)); /* Not optimized */
}
int fpu_post_test_math6 (void)
{
pinf = __builtin_inf ();
ninf = -__builtin_inf ();
NaN = __builtin_nan ("");
iuneq (ninf, pinf, 0);
iuneq (NaN, NaN, 1);
iuneq (pinf, ninf, 0);
iuneq (1, 4, 0);
iuneq (3, 3, 1);
iuneq (5, 2, 0);
ieq (1, 4, 0);
ieq (3, 3, 1);
ieq (5, 2, 0);
iltgt (ninf, pinf, 1);
iltgt (NaN, NaN, 0);
iltgt (pinf, ninf, 1);
iltgt (1, 4, 1);
iltgt (3, 3, 0);
iltgt (5, 2, 1);
ine (1, 4, 1);
ine (3, 3, 0);
ine (5, 2, 1);
iunlt (NaN, ninf, 1);
iunlt (pinf, NaN, 1);
iunlt (pinf, ninf, 0);
iunlt (pinf, pinf, 0);
iunlt (ninf, ninf, 0);
iunlt (1, 4, 1);
iunlt (3, 3, 0);
iunlt (5, 2, 0);
ilt (1, 4, 1);
ilt (3, 3, 0);
ilt (5, 2, 0);
iunle (NaN, ninf, 1);
iunle (pinf, NaN, 1);
iunle (pinf, ninf, 0);
iunle (pinf, pinf, 1);
iunle (ninf, ninf, 1);
iunle (1, 4, 1);
iunle (3, 3, 1);
iunle (5, 2, 0);
ile (1, 4, 1);
ile (3, 3, 1);
ile (5, 2, 0);
iungt (NaN, ninf, 1);
iungt (pinf, NaN, 1);
iungt (pinf, ninf, 1);
iungt (pinf, pinf, 0);
iungt (ninf, ninf, 0);
iungt (1, 4, 0);
iungt (3, 3, 0);
iungt (5, 2, 1);
igt (1, 4, 0);
igt (3, 3, 0);
igt (5, 2, 1);
iunge (NaN, ninf, 1);
iunge (pinf, NaN, 1);
iunge (ninf, pinf, 0);
iunge (pinf, pinf, 1);
iunge (ninf, ninf, 1);
iunge (1, 4, 0);
iunge (3, 3, 1);
iunge (5, 2, 1);
ige (1, 4, 0);
ige (3, 3, 1);
ige (5, 2, 1);
if (failed) {
post_log ("Error in FPU math6 test\n");
return -1;
}
return 0;
}
#endif /* CONFIG_POST & CONFIG_SYS_POST_FPU */