diff options
Diffstat (limited to 'sysdeps/x86_64/multiarch/test-multiarch.c')
-rw-r--r-- | sysdeps/x86_64/multiarch/test-multiarch.c | 96 |
1 files changed, 0 insertions, 96 deletions
diff --git a/sysdeps/x86_64/multiarch/test-multiarch.c b/sysdeps/x86_64/multiarch/test-multiarch.c deleted file mode 100644 index 2782803e73..0000000000 --- a/sysdeps/x86_64/multiarch/test-multiarch.c +++ /dev/null @@ -1,96 +0,0 @@ -/* Test CPU feature data. - This file is part of the GNU C Library. - Copyright (C) 2012-2020 Free Software Foundation, Inc. - - 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 - <https://www.gnu.org/licenses/>. */ - -#include <cpu-features.h> -#include <stdio.h> -#include <stdlib.h> -#include <string.h> - -static char *cpu_flags; - -/* Search for flags in /proc/cpuinfo and store line - in cpu_flags. */ -void -get_cpuinfo (void) -{ - FILE *f; - char *line = NULL; - size_t len = 0; - ssize_t read; - - f = fopen ("/proc/cpuinfo", "r"); - if (f == NULL) - { - printf ("cannot open /proc/cpuinfo\n"); - exit (1); - } - - while ((read = getline (&line, &len, f)) != -1) - { - if (strncmp (line, "flags", 5) == 0) - { - cpu_flags = strdup (line); - break; - } - } - fclose (f); - free (line); -} - -int -check_proc (const char *proc_name, int flag, const char *name) -{ - int found = 0; - - printf ("Checking %s:\n", name); - printf (" init-arch %d\n", flag); - if (strstr (cpu_flags, proc_name) != NULL) - found = 1; - printf (" cpuinfo (%s) %d\n", proc_name, found); - - if (found != flag) - printf (" *** failure ***\n"); - - return (found != flag); -} - -static int -do_test (int argc, char **argv) -{ - int fails; - - get_cpuinfo (); - fails = check_proc ("avx", CPU_FEATURE_USABLE (AVX), - "CPU_FEATURE_USABLE (AVX)"); - fails += check_proc ("fma4", CPU_FEATURE_USABLE (FMA4), - "CPU_FEATURE_USABLE (FMA4)"); - fails += check_proc ("sse4_2", CPU_FEATURE_USABLE (SSE4_2), - "CPU_FEATURE_USABLE (SSE4_2)"); - fails += check_proc ("sse4_1", CPU_FEATURE_USABLE (SSE4_1) - , "CPU_FEATURE_USABLE (SSE4_1)"); - fails += check_proc ("ssse3", CPU_FEATURE_USABLE (SSSE3), - "CPU_FEATURE_USABLE (SSSE3)"); - fails += check_proc ("popcnt", CPU_FEATURE_USABLE (POPCNT), - "CPU_FEATURE_USABLE (POPCNT)"); - - printf ("%d differences between /proc/cpuinfo and glibc code.\n", fails); - - return (fails != 0); -} - -#include "../../../test-skeleton.c" |