diff options
Diffstat (limited to 'sysdeps/x86/fpu/test-fenv-sse.c')
-rw-r--r-- | sysdeps/x86/fpu/test-fenv-sse.c | 138 |
1 files changed, 0 insertions, 138 deletions
diff --git a/sysdeps/x86/fpu/test-fenv-sse.c b/sysdeps/x86/fpu/test-fenv-sse.c deleted file mode 100644 index 569db9a674..0000000000 --- a/sysdeps/x86/fpu/test-fenv-sse.c +++ /dev/null @@ -1,138 +0,0 @@ -/* Test floating-point environment includes SSE state (bug 16064). - Copyright (C) 2014-2017 Free Software Foundation, Inc. - This file is part of the GNU C Library. - - The GNU C Library is free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 of the License, or (at your option) any later version. - - The GNU C Library 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 - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library; if not, see - <http://www.gnu.org/licenses/>. */ - -#include <cpuid.h> -#include <fenv.h> -#include <float.h> -#include <stdbool.h> -#include <stdio.h> - -static bool -have_sse2 (void) -{ - unsigned int eax, ebx, ecx, edx; - - if (!__get_cpuid (1, &eax, &ebx, &ecx, &edx)) - return false; - - return (edx & bit_SSE2) != 0; -} - -static __attribute__ ((noinline)) int -sse_tests (void) -{ - int ret = 0; - fenv_t base_env; - if (fegetenv (&base_env) != 0) - { - puts ("fegetenv (&base_env) failed"); - return 1; - } - if (fesetround (FE_UPWARD) != 0) - { - puts ("fesetround (FE_UPWARD) failed"); - return 1; - } - if (fesetenv (&base_env) != 0) - { - puts ("fesetenv (&base_env) failed"); - return 1; - } - volatile float a = 1.0f, b = FLT_MIN, c; - c = a + b; - if (c != 1.0f) - { - puts ("fesetenv did not restore rounding mode"); - ret = 1; - } - if (fesetround (FE_DOWNWARD) != 0) - { - puts ("fesetround (FE_DOWNWARD) failed"); - return 1; - } - if (feupdateenv (&base_env) != 0) - { - puts ("feupdateenv (&base_env) failed"); - return 1; - } - volatile float d = -FLT_MIN, e; - e = a + d; - if (e != 1.0f) - { - puts ("feupdateenv did not restore rounding mode"); - ret = 1; - } - if (fesetround (FE_UPWARD) != 0) - { - puts ("fesetround (FE_UPWARD) failed"); - return 1; - } - fenv_t upward_env; - if (feholdexcept (&upward_env) != 0) - { - puts ("feholdexcept (&upward_env) failed"); - return 1; - } - if (fesetround (FE_DOWNWARD) != 0) - { - puts ("fesetround (FE_DOWNWARD) failed"); - return 1; - } - if (fesetenv (&upward_env) != 0) - { - puts ("fesetenv (&upward_env) failed"); - return 1; - } - e = a + d; - if (e != 1.0f) - { - puts ("fesetenv did not restore rounding mode from feholdexcept"); - ret = 1; - } - if (fesetround (FE_UPWARD) != 0) - { - puts ("fesetround (FE_UPWARD) failed"); - return 1; - } - if (fesetenv (FE_DFL_ENV) != 0) - { - puts ("fesetenv (FE_DFL_ENV) failed"); - return 1; - } - c = a + b; - if (c != 1.0f) - { - puts ("fesetenv (FE_DFL_ENV) did not restore rounding mode"); - ret = 1; - } - return ret; -} - -static int -do_test (void) -{ - if (!have_sse2 ()) - { - puts ("CPU does not support SSE2, cannot test"); - return 0; - } - return sse_tests (); -} - -#define TEST_FUNCTION do_test () -#include <test-skeleton.c> |