[people/ms/u-boot.git] / post / lib_ppc / fpu / 980619-1.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

int fpu_post_test_math4 (void)
{
	volatile float reale = 1.0f;
	volatile float oneplus;
	int i;

	if (sizeof (float) != 4)
		return 0;

	for (i = 0; ; i++)
	{
		oneplus = 1.0f + reale;
		if (oneplus == 1.0f)
			break;
		reale = reale / 2.0f;
	}
	/* Assumes ieee754 accurate arithmetic above.  */
	if (i != 24) {
		post_log ("Error in FPU math4 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 SP	32
	33	int fpu_post_test_math4 (void)
	34	{
	35	volatile float reale = 1.0f;
	36	volatile float oneplus;
	37	int i;
	38
	39	if (sizeof (float) != 4)
	40	return 0;
	41
	42	for (i = 0; ; i++)
	43	{
	44	oneplus = 1.0f + reale;
	45	if (oneplus == 1.0f)
	46	break;
	47	reale = reale / 2.0f;
	48	}
	49	/* Assumes ieee754 accurate arithmetic above. */
	50	if (i != 24) {
	51	post_log ("Error in FPU math4 test\n");
	52	return -1;
	53	}
	54	return 0;
	55	}
	56
6d0f6bcf	57	#endif /* CONFIG_POST & CONFIG_SYS_POST_FPU */