diff options
Diffstat (limited to 'post/lib_ppc/fpu/mul-subnormal-single-1.c')
| -rw-r--r-- | post/lib_ppc/fpu/mul-subnormal-single-1.c | 102 |
1 files changed, 0 insertions, 102 deletions
diff --git a/post/lib_ppc/fpu/mul-subnormal-single-1.c b/post/lib_ppc/fpu/mul-subnormal-single-1.c deleted file mode 100644 index 1f3732d924..0000000000 --- a/post/lib_ppc/fpu/mul-subnormal-single-1.c +++ /dev/null @@ -1,102 +0,0 @@ -/* - * 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. - * Check that certain subnormal numbers (formerly known as denormalized - * numbers) are rounded to within 0.5 ulp. PR other/14354. - */ - -#include <common.h> - -#include <post.h> - -#if CONFIG_POST & CONFIG_SYS_POST_FPU - -GNU_FPOST_ATTR - -union uf -{ - unsigned int u; - float f; -}; - -static float -u2f (unsigned int v) -{ - union uf u; - u.u = v; - return u.f; -} - -static unsigned int -f2u (float v) -{ - union uf u; - u.f = v; - return u.u; -} - -static int ok = 1; - -static void -tstmul (unsigned int ux, unsigned int uy, unsigned int ur) -{ - float x = u2f (ux); - float y = u2f (uy); - - if (f2u (x * y) != ur) - /* Set a variable rather than aborting here, to simplify tracing when - several computations are wrong. */ - ok = 0; -} - -/* We don't want to make this const and static, or else we risk inlining - causing the test to fold as constants at compile-time. */ -struct -{ - unsigned int p1, p2, res; -} static volatile expected[] = -{ - {0xfff, 0x3f800400, 0xfff}, - {0xf, 0x3fc88888, 0x17}, - {0xf, 0x3f844444, 0xf} -}; - -int fpu_post_test_math7 (void) -{ - unsigned int i; - - for (i = 0; i < sizeof (expected) / sizeof (expected[0]); i++) - { - tstmul (expected[i].p1, expected[i].p2, expected[i].res); - tstmul (expected[i].p2, expected[i].p1, expected[i].res); - } - - if (!ok) { - post_log ("Error in FPU math7 test\n"); - return -1; - } - return 0; -} - -#endif /* CONFIG_POST & CONFIG_SYS_POST_FPU */ |
