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  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 */
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