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 29 #include <post.h> 30 31 #if CONFIG_POST & CONFIG_SYS_POST_FPU 32 33 GNU_FPOST_ATTR 34 35 int fpu_post_test_math3 (void) 36 { 37 volatile long double dfrom = 1.1; 38 volatile long double m1; 39 volatile long double m2; 40 volatile unsigned long mant_long; 41 42 m1 = dfrom / 2.0; 43 m2 = m1 * 4294967296.0; 44 mant_long = ((unsigned long) m2) & 0xffffffff; 45 46 if (mant_long != 0x8ccccccc) { 47 post_log ("Error in FPU math3 test\n"); 48 return -1; 49 } 50 return 0; 51 } 52 53 #endif /* CONFIG_POST & CONFIG_SYS_POST_FPU */ 54