[thirdparty/u-boot.git] / post / lib_powerpc / fpu / 20010114-2.c

// SPDX-License-Identifier: GPL-2.0+
/*
 * Copyright (C) 2007
 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
 */
/*
 * This file is originally a part of the GCC testsuite.
 */

#include <common.h>

#include <post.h>

GNU_FPOST_ATTR

#if CFG_POST & CFG_SYS_POST_FPU

static float rintf (float x)
{
	volatile float TWO23 = 8388608.0;

	if (__builtin_fabs (x) < TWO23)
	{
		if (x > 0.0)
		{
			x += TWO23;
			x -= TWO23;
		}
		else if (x < 0.0)
		{
			x = TWO23 - x;
			x = -(x - TWO23);
		}
	}

	return x;
}

int fpu_post_test_math2 (void)
{
	if (rintf (-1.5) != -2.0) {
		post_log ("Error in FPU math2 test\n");
		return -1;
	}
	return 0;
}

#endif /* CFG_POST & CFG_SYS_POST_FPU */
Commit	Line	Data
83d290c5	1	// SPDX-License-Identifier: GPL-2.0+
b4489621 SP	2	/*
	3	* Copyright (C) 2007
	4	* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
b4489621 SP	5	*/
	6	/*
	7	* This file is originally a part of the GCC testsuite.
	8	*/
	9
	10	#include <common.h>
	11
b4489621 SP	12	#include <post.h>
b4489621 SP	13
ce82ff05 YT	14	GNU_FPOST_ATTR
ce82ff05 YT	15
1e019503	16	#if CFG_POST & CFG_SYS_POST_FPU
e009cdeb	17
b4489621 SP	18	static float rintf (float x)
	19	{
	20	volatile float TWO23 = 8388608.0;
	21
	22	if (__builtin_fabs (x) < TWO23)
	23	{
	24	if (x > 0.0)
	25	{
	26	x += TWO23;
	27	x -= TWO23;
	28	}
	29	else if (x < 0.0)
	30	{
	31	x = TWO23 - x;
	32	x = -(x - TWO23);
	33	}
	34	}
	35
	36	return x;
	37	}
	38
	39	int fpu_post_test_math2 (void)
	40	{
	41	if (rintf (-1.5) != -2.0) {
	42	post_log ("Error in FPU math2 test\n");
	43	return -1;
	44	}
	45	return 0;
	46	}
	47
1e019503	48	#endif /* CFG_POST & CFG_SYS_POST_FPU */