[people/ms/u-boot.git] / post / lib_powerpc / fpu / 20010226-1.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_math3 (void)
{
	volatile long double dfrom = 1.1;
	volatile long double m1;
	volatile long double m2;
	volatile unsigned long mant_long;

	m1 = dfrom / 2.0;
	m2 = m1 * 4294967296.0;
	mant_long = ((unsigned long) m2) & 0xffffffff;

	if (mant_long != 0x8ccccccc) {
		post_log ("Error in FPU math3 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_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
6d0f6bcf	37	#endif /* CONFIG_POST & CONFIG_SYS_POST_FPU */