diff options
Diffstat (limited to 'sysdeps/mips/tst-mode-switch-1.c')
-rw-r--r-- | sysdeps/mips/tst-mode-switch-1.c | 126 |
1 files changed, 0 insertions, 126 deletions
diff --git a/sysdeps/mips/tst-mode-switch-1.c b/sysdeps/mips/tst-mode-switch-1.c deleted file mode 100644 index cdfa5aa859..0000000000 --- a/sysdeps/mips/tst-mode-switch-1.c +++ /dev/null @@ -1,126 +0,0 @@ -/* 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 <errno.h> -#include <pthread.h> -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <unistd.h> -#include <limits.h> -#include <sys/prctl.h> - -#if __mips_fpr != 0 || _MIPS_SPFPSET != 16 -# error This test requires -mfpxx -mno-odd-spreg -#endif - -/* This test verifies that mode changes do not clobber register state - in other threads. */ - -static volatile int finished; -static int mode[6] = - { - 0, - PR_FP_MODE_FR, - PR_FP_MODE_FR | PR_FP_MODE_FRE, - PR_FP_MODE_FR, - 0, - PR_FP_MODE_FR | PR_FP_MODE_FRE - }; - -static void * -thread_function (void * arg __attribute__ ((unused))) -{ - volatile int i = 0; - volatile float f = 0.0; - volatile double d = 0.0; - - while (!finished) - { - if ((float) i != f || (double) i != d) - { - printf ("unexpected value: i(%d) f(%f) d(%f)\n", i, f, d); - exit (1); - } - - if (i == 100) - { - i = 0; - f = 0.0; - d = 0.0; - } - - i++; - f++; - d++; - } - return NULL; -} - -static int -do_test (void) -{ - int count = sysconf (_SC_NPROCESSORS_ONLN); - if (count <= 0) - count = 1; - count *= 4; - - pthread_t th[count]; - int i; - int result = 0; - - for (i = 0; i < count; ++i) - if (pthread_create (&th[i], NULL, thread_function, 0) != 0) - { - printf ("creation of thread %d failed\n", i); - exit (1); - } - - for (i = 0 ; i < 1000000 ; i++) - { - if (prctl (PR_SET_FP_MODE, mode[i % 6]) != 0 - && errno != ENOTSUP) - { - printf ("prctl PR_SET_FP_MODE failed: %m\n"); - exit (1); - } - } - - finished = 1; - - for (i = 0; i < count; ++i) - { - void *v; - if (pthread_join (th[i], &v) != 0) - { - printf ("join of thread %d failed\n", i); - result = 1; - } - else if (v != NULL) - { - printf ("join %d successful, but child failed\n", i); - result = 1; - } - else - printf ("join %d successful\n", i); - } - - return result; -} - -#define TEST_FUNCTION do_test () -#include "../../test-skeleton.c" |