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author | Michal Simek <monstr@monstr.eu> | 2007-07-13 21:39:13 +0200 |
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committer | Michal Simek <monstr@monstr.eu> | 2007-07-13 21:39:13 +0200 |
commit | bc2962482b707e44e0b43d20bd4dcf2a40230abb (patch) | |
tree | 751c5e07c5ff0aa7910da0fe33b0a0996bda518c /post/lib_ppc/fpu/20010114-2.c | |
parent | 093172f08d6afb3f34d8a2f26ee0ee874261cf27 (diff) | |
parent | 239f05ee4dd4cfe0b50f251b533dcebe9e67c360 (diff) | |
download | u-boot-imx-bc2962482b707e44e0b43d20bd4dcf2a40230abb.zip u-boot-imx-bc2962482b707e44e0b43d20bd4dcf2a40230abb.tar.gz u-boot-imx-bc2962482b707e44e0b43d20bd4dcf2a40230abb.tar.bz2 |
Merge git://www.denx.de/git/u-boot
Diffstat (limited to 'post/lib_ppc/fpu/20010114-2.c')
-rw-r--r-- | post/lib_ppc/fpu/20010114-2.c | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/post/lib_ppc/fpu/20010114-2.c b/post/lib_ppc/fpu/20010114-2.c new file mode 100644 index 0000000..6e60507 --- /dev/null +++ b/post/lib_ppc/fpu/20010114-2.c @@ -0,0 +1,66 @@ +/* + * Copyright (C) 2007 + * Wolfgang Denk, DENX Software Engineering, wd@denx.de. + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ +/* + * This file is originally a part of the GCC testsuite. + */ + +#include <common.h> + +#ifdef CONFIG_POST + +#include <post.h> + +#if CONFIG_POST & CFG_POST_FPU + +static float rintf (float x) +{ + volatile float TWO23 = 8388608.0; + + if (__builtin_fabs (x) < TWO23) + { + if (x > 0.0) + { + x += TWO23; + x -= TWO23; + } + else if (x < 0.0) + { + x = TWO23 - x; + x = -(x - TWO23); + } + } + + return x; +} + +int fpu_post_test_math2 (void) +{ + if (rintf (-1.5) != -2.0) { + post_log ("Error in FPU math2 test\n"); + return -1; + } + return 0; +} + +#endif /* CONFIG_POST & CFG_POST_FPU */ +#endif /* CONFIG_POST */ |