diff options
Diffstat (limited to 'sysdeps/powerpc/powerpc32/e500/nofpu/atomic-feclearexcept.c')
-rw-r--r-- | sysdeps/powerpc/powerpc32/e500/nofpu/atomic-feclearexcept.c | 50 |
1 files changed, 0 insertions, 50 deletions
diff --git a/sysdeps/powerpc/powerpc32/e500/nofpu/atomic-feclearexcept.c b/sysdeps/powerpc/powerpc32/e500/nofpu/atomic-feclearexcept.c deleted file mode 100644 index b94d302353..0000000000 --- a/sysdeps/powerpc/powerpc32/e500/nofpu/atomic-feclearexcept.c +++ /dev/null @@ -1,50 +0,0 @@ -/* Clear floating-point exceptions for atomic compound assignment. - e500 version. - Copyright (C) 2004-2019 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 <fenv_libc.h> -#include <stdlib.h> -#include <sysdep.h> -#include <sys/prctl.h> - -void -__atomic_feclearexcept (void) -{ - unsigned int fpescr, old_fpescr; - - /* Get the current state. */ - old_fpescr = fpescr = fegetenv_register (); - - /* Clear the relevant bits. */ - fpescr &= ~SPEFSCR_ALL_EXCEPT; - - /* Put the new state in effect. */ - fesetenv_register (fpescr); - - /* Let the kernel know if the "invalid" or "underflow" bit was - cleared. */ - if (old_fpescr & (SPEFSCR_FINVS | SPEFSCR_FUNFS)) - { - int pflags __attribute__ ((__unused__)), r; - INTERNAL_SYSCALL_DECL (err); - - r = INTERNAL_SYSCALL (prctl, err, 2, PR_GET_FPEXC, &pflags); - if (INTERNAL_SYSCALL_ERROR_P (r, err)) - abort (); - } -} |