[people/ms/u-boot.git] / post / lib_powerpc / fpu / 20001122-1.c

/*
 * Copyright (C) 2007
 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
 *
 * SPDX-License-Identifier:	GPL-2.0+
 */
/*
 * 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

int fpu_post_test_math1 (void)
{
	volatile double a;
	double c, d;
	volatile double b;

	d = 1.0;

	do
	{
		c = d;
		d = c * 0.5;
		b = 1 + d;
	} while (b != 1.0);

	a = 1.0 + c;

	if (a == 1.0) {
		post_log ("Error in FPU math1 test\n");
		return -1;
	}

	return 0;
}

#endif /* CONFIG_POST & CONFIG_SYS_POST_FPU */
Commit	Line	Data
b4489621 SP	1	/*
	2	* Copyright (C) 2007
	3	* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
	4	*
1a459660	5	* SPDX-License-Identifier: GPL-2.0+
b4489621 SP	6	*/
	7	/*
	8	* This file is originally a part of the GCC testsuite.
	9	*/
	10
	11	#include <common.h>
	12
b4489621 SP	13	#include <post.h>
b4489621 SP	14
ce82ff05 YT	15	GNU_FPOST_ATTR
ce82ff05 YT	16
e009cdeb KG	17	#if CONFIG_POST & CONFIG_SYS_POST_FPU
e009cdeb KG	18
b4489621 SP	19	int fpu_post_test_math1 (void)
b4489621 SP	20	{
944416e0	21	volatile double a;
b4489621 SP	22	double c, d;
	23	volatile double b;
	24
	25	d = 1.0;
b4489621 SP	26
	27	do
	28	{
	29	c = d;
	30	d = c * 0.5;
	31	b = 1 + d;
	32	} while (b != 1.0);
	33
	34	a = 1.0 + c;
	35
	36	if (a == 1.0) {
	37	post_log ("Error in FPU math1 test\n");
	38	return -1;
	39	}
	40
	41	return 0;
	42	}
	43
6d0f6bcf	44	#endif /* CONFIG_POST & CONFIG_SYS_POST_FPU */