1a47a12beSStefan Roese /* 2a47a12beSStefan Roese * Copyright (C) 2007 3a47a12beSStefan Roese * Wolfgang Denk, DENX Software Engineering, wd@denx.de. 4a47a12beSStefan Roese * 5a47a12beSStefan Roese * See file CREDITS for list of people who contributed to this 6a47a12beSStefan Roese * project. 7a47a12beSStefan Roese * 8a47a12beSStefan Roese * This program is free software; you can redistribute it and/or 9a47a12beSStefan Roese * modify it under the terms of the GNU General Public License as 10a47a12beSStefan Roese * published by the Free Software Foundation; either version 2 of 11a47a12beSStefan Roese * the License, or (at your option) any later version. 12a47a12beSStefan Roese * 13a47a12beSStefan Roese * This program is distributed in the hope that it will be useful, 14a47a12beSStefan Roese * but WITHOUT ANY WARRANTY; without even the implied warranty of 15a47a12beSStefan Roese * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 16a47a12beSStefan Roese * GNU General Public License for more details. 17a47a12beSStefan Roese * 18a47a12beSStefan Roese * You should have received a copy of the GNU General Public License 19a47a12beSStefan Roese * along with this program; if not, write to the Free Software 20a47a12beSStefan Roese * Foundation, Inc., 59 Temple Place, Suite 330, Boston, 21a47a12beSStefan Roese * MA 02111-1307 USA 22a47a12beSStefan Roese */ 23a47a12beSStefan Roese /* 24a47a12beSStefan Roese * This file is originally a part of the GCC testsuite. 25a47a12beSStefan Roese */ 26a47a12beSStefan Roese 27a47a12beSStefan Roese #include <common.h> 28a47a12beSStefan Roese 29a47a12beSStefan Roese #include <post.h> 30a47a12beSStefan Roese 31a47a12beSStefan Roese GNU_FPOST_ATTR 32a47a12beSStefan Roese 33*e009cdebSKumar Gala #if CONFIG_POST & CONFIG_SYS_POST_FPU 34*e009cdebSKumar Gala 35a47a12beSStefan Roese int fpu_post_test_math1 (void) 36a47a12beSStefan Roese { 37a47a12beSStefan Roese volatile double a, *p; 38a47a12beSStefan Roese double c, d; 39a47a12beSStefan Roese volatile double b; 40a47a12beSStefan Roese 41a47a12beSStefan Roese d = 1.0; 42a47a12beSStefan Roese p = &b; 43a47a12beSStefan Roese 44a47a12beSStefan Roese do 45a47a12beSStefan Roese { 46a47a12beSStefan Roese c = d; 47a47a12beSStefan Roese d = c * 0.5; 48a47a12beSStefan Roese b = 1 + d; 49a47a12beSStefan Roese } while (b != 1.0); 50a47a12beSStefan Roese 51a47a12beSStefan Roese a = 1.0 + c; 52a47a12beSStefan Roese 53a47a12beSStefan Roese if (a == 1.0) { 54a47a12beSStefan Roese post_log ("Error in FPU math1 test\n"); 55a47a12beSStefan Roese return -1; 56a47a12beSStefan Roese } 57a47a12beSStefan Roese 58a47a12beSStefan Roese return 0; 59a47a12beSStefan Roese } 60a47a12beSStefan Roese 61a47a12beSStefan Roese #endif /* CONFIG_POST & CONFIG_SYS_POST_FPU */ 62