| // SPDX-License-Identifier: GPL-2.0+ | |
| /* | |
| * Copyright (C) 2007 | |
| * Wolfgang Denk, DENX Software Engineering, [email protected]. | |
| */ | |
| /* | |
| * This file is originally a part of the GCC testsuite. | |
| */ | |
| #include <common.h> | |
| #include <post.h> | |
| GNU_FPOST_ATTR | |
| #if CONFIG_POST & CONFIG_SYS_POST_FPU | |
| int fpu_post_test_math3 (void) | |
| { | |
| volatile long double dfrom = 1.1; | |
| volatile long double m1; | |
| volatile long double m2; | |
| volatile unsigned long mant_long; | |
| m1 = dfrom / 2.0; | |
| m2 = m1 * 4294967296.0; | |
| mant_long = ((unsigned long) m2) & 0xffffffff; | |
| if (mant_long != 0x8ccccccc) { | |
| post_log ("Error in FPU math3 test\n"); | |
| return -1; | |
| } | |
| return 0; | |
| } | |
| #endif /* CONFIG_POST & CONFIG_SYS_POST_FPU */ |