3 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
5 * SPDX-License-Identifier: GPL-2.0+
8 * Test for correctness of composite floating-point comparisons.
9 * Written by Paolo Bonzini, 26th May 2004.
10 * This file is originally a part of the GCC testsuite.
19 #if CONFIG_POST & CONFIG_SYS_POST_FPU
23 #define TEST(c) if ((c) != ok) failed++
24 #define ORD(a, b) (!__builtin_isunordered ((a), (b)))
25 #define UNORD(a, b) (__builtin_isunordered ((a), (b)))
26 #define UNEQ(a, b) (__builtin_isunordered ((a), (b)) || ((a) == (b)))
27 #define UNLT(a, b) (__builtin_isunordered ((a), (b)) || ((a) < (b)))
28 #define UNLE(a, b) (__builtin_isunordered ((a), (b)) || ((a) <= (b)))
29 #define UNGT(a, b) (__builtin_isunordered ((a), (b)) || ((a) > (b)))
30 #define UNGE(a, b) (__builtin_isunordered ((a), (b)) || ((a) >= (b)))
31 #define LTGT(a, b) (__builtin_islessgreater ((a), (b)))
37 static void iuneq (float x, float y, int ok)
41 TEST (UNLE (x, y) && UNGE (x,y));
44 static void ieq (float x, float y, int ok)
46 TEST (ORD (x, y) && UNEQ (x, y));
49 static void iltgt (float x, float y, int ok)
51 TEST (!UNEQ (x, y)); /* Not optimizable. */
52 TEST (LTGT (x, y)); /* Same, __builtin_islessgreater does not trap. */
53 TEST (ORD (x, y) && (UNLT (x, y) || UNGT (x,y)));
56 static void ine (float x, float y, int ok)
58 TEST (UNLT (x, y) || UNGT (x, y));
61 static void iunlt (float x, float y, int ok)
64 TEST (UNORD (x, y) || (x < y));
67 static void ilt (float x, float y, int ok)
69 TEST (ORD (x, y) && UNLT (x, y)); /* Not optimized */
70 TEST ((x <= y) && (x != y));
71 TEST ((x <= y) && (y != x));
72 TEST ((x != y) && (x <= y)); /* Not optimized */
73 TEST ((y != x) && (x <= y)); /* Not optimized */
76 static void iunle (float x, float y, int ok)
79 TEST (UNORD (x, y) || (x <= y));
82 static void ile (float x, float y, int ok)
84 TEST (ORD (x, y) && UNLE (x, y)); /* Not optimized */
85 TEST ((x < y) || (x == y));
86 TEST ((y > x) || (x == y));
87 TEST ((x == y) || (x < y)); /* Not optimized */
88 TEST ((y == x) || (x < y)); /* Not optimized */
91 static void iungt (float x, float y, int ok)
94 TEST (UNORD (x, y) || (x > y));
97 static void igt (float x, float y, int ok)
99 TEST (ORD (x, y) && UNGT (x, y)); /* Not optimized */
100 TEST ((x >= y) && (x != y));
101 TEST ((x >= y) && (y != x));
102 TEST ((x != y) && (x >= y)); /* Not optimized */
103 TEST ((y != x) && (x >= y)); /* Not optimized */
106 static void iunge (float x, float y, int ok)
109 TEST (UNORD (x, y) || (x >= y));
112 static void ige (float x, float y, int ok)
114 TEST (ORD (x, y) && UNGE (x, y)); /* Not optimized */
115 TEST ((x > y) || (x == y));
116 TEST ((y < x) || (x == y));
117 TEST ((x == y) || (x > y)); /* Not optimized */
118 TEST ((y == x) || (x > y)); /* Not optimized */
121 int fpu_post_test_math6 (void)
123 pinf = __builtin_inf ();
124 ninf = -__builtin_inf ();
125 NaN = __builtin_nan ("");
127 iuneq (ninf, pinf, 0);
129 iuneq (pinf, ninf, 0);
138 iltgt (ninf, pinf, 1);
140 iltgt (pinf, ninf, 1);
149 iunlt (NaN, ninf, 1);
150 iunlt (pinf, NaN, 1);
151 iunlt (pinf, ninf, 0);
152 iunlt (pinf, pinf, 0);
153 iunlt (ninf, ninf, 0);
162 iunle (NaN, ninf, 1);
163 iunle (pinf, NaN, 1);
164 iunle (pinf, ninf, 0);
165 iunle (pinf, pinf, 1);
166 iunle (ninf, ninf, 1);
175 iungt (NaN, ninf, 1);
176 iungt (pinf, NaN, 1);
177 iungt (pinf, ninf, 1);
178 iungt (pinf, pinf, 0);
179 iungt (ninf, ninf, 0);
188 iunge (NaN, ninf, 1);
189 iunge (pinf, NaN, 1);
190 iunge (ninf, pinf, 0);
191 iunge (pinf, pinf, 1);
192 iunge (ninf, ninf, 1);
202 post_log ("Error in FPU math6 test\n");
208 #endif /* CONFIG_POST & CONFIG_SYS_POST_FPU */