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

/*
 * Copyright (C) 2007
 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
 *
 * See file CREDITS for list of people who contributed to this
 * project.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License as
 * published by the Free Software Foundation; either version 2 of
 * the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
 * MA 02111-1307 USA
 */
/*
 * This file is originally a part of the GCC testsuite.
 */

#include <common.h>

#include <post.h>

#if CONFIG_POST & CONFIG_SYS_POST_FPU

GNU_FPOST_ATTR

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

	d = 1.0;
	p = &b;

	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	*
	5	* See file CREDITS for list of people who contributed to this
	6	* project.
	7	*
	8	* This program is free software; you can redistribute it and/or
	9	* modify it under the terms of the GNU General Public License as
	10	* published by the Free Software Foundation; either version 2 of
	11	* the License, or (at your option) any later version.
	12	*
	13	* This program is distributed in the hope that it will be useful,
	14	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	15	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	16	* GNU General Public License for more details.
	17	*
	18	* You should have received a copy of the GNU General Public License
	19	* along with this program; if not, write to the Free Software
	20	* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
	21	* MA 02111-1307 USA
	22	*/
	23	/*
	24	* This file is originally a part of the GCC testsuite.
	25	*/
	26
	27	#include <common.h>
	28
b4489621 SP	29	#include <post.h>
b4489621 SP	30
6d0f6bcf	31	#if CONFIG_POST & CONFIG_SYS_POST_FPU
b4489621	32
ce82ff05 YT	33	GNU_FPOST_ATTR
ce82ff05 YT	34
b4489621 SP	35	int fpu_post_test_math1 (void)
	36	{
	37	volatile double a, *p;
	38	double c, d;
	39	volatile double b;
	40
	41	d = 1.0;
	42	p = &b;
	43
	44	do
	45	{
	46	c = d;
	47	d = c * 0.5;
	48	b = 1 + d;
	49	} while (b != 1.0);
	50
	51	a = 1.0 + c;
	52
	53	if (a == 1.0) {
	54	post_log ("Error in FPU math1 test\n");
	55	return -1;
	56	}
	57
	58	return 0;
	59	}
	60
6d0f6bcf	61	#endif /* CONFIG_POST & CONFIG_SYS_POST_FPU */