diff options
Diffstat (limited to 'sysdeps/mips/tst-mode-switch-3.c')
-rw-r--r-- | sysdeps/mips/tst-mode-switch-3.c | 93 |
1 files changed, 0 insertions, 93 deletions
diff --git a/sysdeps/mips/tst-mode-switch-3.c b/sysdeps/mips/tst-mode-switch-3.c deleted file mode 100644 index 405eacdf5a..0000000000 --- a/sysdeps/mips/tst-mode-switch-3.c +++ /dev/null @@ -1,93 +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 <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <unistd.h> -#include <setjmp.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 between a setjmp and longjmp do - not corrupt the state of callee-saved registers. */ - -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 jmp_buf env; -float check1 = 2.0; -double check2 = 3.0; - -static int -do_test (void) -{ - int i; - int result = 0; - - for (i = 0 ; i < 7 ; i++) - { - int retval; - register float test1 __asm ("$f20"); - register double test2 __asm ("$f22"); - - /* Hide what we are doing to $f20 and $f22 from the compiler. */ - __asm __volatile ("l.s %0,%2\n" - "l.d %1,%3\n" - : "=f" (test1), "=f" (test2) - : "m" (check1), "m" (check2)); - - retval = setjmp (env); - - /* Make sure the compiler knows we want to access the variables - via the named registers again. */ - __asm __volatile ("" : : "f" (test1), "f" (test2)); - - if (test1 != check1 || test2 != check2) - { - printf ("Corrupt register detected: $20 %f = %f, $22 %f = %f\n", - test1, check1, test2, check2); - result = 1; - } - - if (retval == 0) - { - if (prctl (PR_SET_FP_MODE, mode[i % 6]) != 0 - && errno != ENOTSUP) - { - printf ("prctl PR_SET_FP_MODE failed: %m"); - exit (1); - } - longjmp (env, 0); - } - } - - return result; -} - -#define TEST_FUNCTION do_test () -#include "../../test-skeleton.c" |