xref: /OK3568_Linux_fs/u-boot/post/lib_powerpc/fpu/acc1.c (revision 4882a59341e53eb6f0b4789bf948001014eff981) 
1*4882a593Smuzhiyun /*
2*4882a593Smuzhiyun  * Copyright (C) 2007
3*4882a593Smuzhiyun  * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
4*4882a593Smuzhiyun  *
5*4882a593Smuzhiyun  * SPDX-License-Identifier:	GPL-2.0+
6*4882a593Smuzhiyun  */
7*4882a593Smuzhiyun /*
8*4882a593Smuzhiyun  * This file is originally a part of the GCC testsuite.
9*4882a593Smuzhiyun  */
10*4882a593Smuzhiyun 
11*4882a593Smuzhiyun #include <common.h>
12*4882a593Smuzhiyun 
13*4882a593Smuzhiyun #include <post.h>
14*4882a593Smuzhiyun 
15*4882a593Smuzhiyun GNU_FPOST_ATTR
16*4882a593Smuzhiyun 
17*4882a593Smuzhiyun #if CONFIG_POST & CONFIG_SYS_POST_FPU
18*4882a593Smuzhiyun 
func(const double * array)19*4882a593Smuzhiyun static double func (const double *array)
20*4882a593Smuzhiyun {
21*4882a593Smuzhiyun 	double d = *array;
22*4882a593Smuzhiyun 
23*4882a593Smuzhiyun 	if (d == 0.0)
24*4882a593Smuzhiyun 		return d;
25*4882a593Smuzhiyun 	else
26*4882a593Smuzhiyun 		return d + func (array + 1);
27*4882a593Smuzhiyun }
28*4882a593Smuzhiyun 
fpu_post_test_math5(void)29*4882a593Smuzhiyun int fpu_post_test_math5 (void)
30*4882a593Smuzhiyun {
31*4882a593Smuzhiyun 	double values[] = { 0.1e-100, 1.0, -1.0, 0.0 };
32*4882a593Smuzhiyun 
33*4882a593Smuzhiyun 	if (func (values) != 0.1e-100) {
34*4882a593Smuzhiyun 		post_log ("Error in FPU math5 test\n");
35*4882a593Smuzhiyun 		return -1;
36*4882a593Smuzhiyun 	}
37*4882a593Smuzhiyun 	return 0;
38*4882a593Smuzhiyun }
39*4882a593Smuzhiyun 
40*4882a593Smuzhiyun #endif /* CONFIG_POST & CONFIG_SYS_POST_FPU */
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