60 lines
		
	
	
		
			1.4 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			60 lines
		
	
	
		
			1.4 KiB
		
	
	
	
		
			C
		
	
	
	
/*
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 * Copyright (C) 2007
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 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
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 *
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 * See file CREDITS for list of people who contributed to this
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 * project.
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 *
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 * This program is free software; you can redistribute it and/or
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 * modify it under the terms of the GNU General Public License as
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 * published by the Free Software Foundation; either version 2 of
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 * the License, or (at your option) any later version.
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 *
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 * This program is distributed in the hope that it will be useful,
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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 * GNU General Public License for more details.
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 *
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 * You should have received a copy of the GNU General Public License
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 * along with this program; if not, write to the Free Software
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 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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 * MA 02111-1307 USA
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 */
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/*
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 * This file is originally a part of the GCC testsuite.
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 */
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#include <common.h>
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#include <post.h>
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GNU_FPOST_ATTR
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#if CONFIG_POST & CONFIG_SYS_POST_FPU
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int fpu_post_test_math4 (void)
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{
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	volatile float reale = 1.0f;
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	volatile float oneplus;
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	int i;
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	if (sizeof (float) != 4)
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		return 0;
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	for (i = 0; ; i++)
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	{
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		oneplus = 1.0f + reale;
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		if (oneplus == 1.0f)
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			break;
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		reale = reale / 2.0f;
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	}
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	/* Assumes ieee754 accurate arithmetic above.  */
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	if (i != 24) {
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		post_log ("Error in FPU math4 test\n");
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		return -1;
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	}
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	return 0;
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}
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#endif /* CONFIG_POST & CONFIG_SYS_POST_FPU */
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