projects / J-u-boot.git / blame
| Commit | Line | Data |
|---|---|---|
| b4489621 SP |
1 | /* |
| 2 | * Copyright (C) 2007 | |
| 3 | * Wolfgang Denk, DENX Software Engineering, [email protected]. | |
| 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 | ||
| b4489621 SP |
29 | #include <post.h> |
| 30 | ||
| ce82ff05 YT |
31 | GNU_FPOST_ATTR |
| 32 | ||
| e009cdeb KG |
33 | #if CONFIG_POST & CONFIG_SYS_POST_FPU |
| 34 | ||
| b4489621 SP |
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 | ||
| 6d0f6bcf | 53 | #endif /* CONFIG_POST & CONFIG_SYS_POST_FPU */ |