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_math1 (void) 36 { 37 volatile double a, *p; 38 double c, d; 39 volatile double b; 40 41 d = 1.0; 42 p = &b; 43 44 do 45 { 46 c = d; 47 d = c * 0.5; 48 b = 1 + d; 49 } while (b != 1.0); 50 51 a = 1.0 + c; 52 53 if (a == 1.0) { 54 post_log ("Error in FPU math1 test\n"); 55 return -1; 56 } 57 58 return 0; 59 } 60 61 #endif /* CONFIG_POST & CONFIG_SYS_POST_FPU */ 62