1 /*
2  * Copyright (C) 2007
3  * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
4  *
5  * SPDX-License-Identifier:	GPL-2.0+
6  */
7 /*
8  * This file is originally a part of the GCC testsuite.
9  */
10 
11 #include <common.h>
12 
13 #include <post.h>
14 
15 GNU_FPOST_ATTR
16 
17 #if CONFIG_POST & CONFIG_SYS_POST_FPU
18 
19 int fpu_post_test_math3 (void)
20 {
21 	volatile long double dfrom = 1.1;
22 	volatile long double m1;
23 	volatile long double m2;
24 	volatile unsigned long mant_long;
25 
26 	m1 = dfrom / 2.0;
27 	m2 = m1 * 4294967296.0;
28 	mant_long = ((unsigned long) m2) & 0xffffffff;
29 
30 	if (mant_long != 0x8ccccccc) {
31 		post_log ("Error in FPU math3 test\n");
32 		return -1;
33 	}
34 	return 0;
35 }
36 
37 #endif /* CONFIG_POST & CONFIG_SYS_POST_FPU */
38