diff options
Diffstat (limited to 'nptl/sysdeps/s390/bits/atomic.h')
| -rw-r--r-- | nptl/sysdeps/s390/bits/atomic.h | 78 |
1 files changed, 0 insertions, 78 deletions
diff --git a/nptl/sysdeps/s390/bits/atomic.h b/nptl/sysdeps/s390/bits/atomic.h deleted file mode 100644 index 375ae0d5e7..0000000000 --- a/nptl/sysdeps/s390/bits/atomic.h +++ /dev/null @@ -1,78 +0,0 @@ -/* Copyright (C) 2003 Free Software Foundation, Inc. - This file is part of the GNU C Library. - Contributed by Martin Schwidefsky <schwidefsky@de.ibm.com>, 2003. - - 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, write to the Free - Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA - 02111-1307 USA. */ - -#include <stdint.h> - -typedef int8_t atomic8_t; -typedef uint8_t uatomic8_t; -typedef int_fast8_t atomic_fast8_t; -typedef uint_fast8_t uatomic_fast8_t; - -typedef int16_t atomic16_t; -typedef uint16_t uatomic16_t; -typedef int_fast16_t atomic_fast16_t; -typedef uint_fast16_t uatomic_fast16_t; - -typedef int32_t atomic32_t; -typedef uint32_t uatomic32_t; -typedef int_fast32_t atomic_fast32_t; -typedef uint_fast32_t uatomic_fast32_t; - -typedef int64_t atomic64_t; -typedef uint64_t uatomic64_t; -typedef int_fast64_t atomic_fast64_t; -typedef uint_fast64_t uatomic_fast64_t; - -typedef intptr_t atomicptr_t; -typedef uintptr_t uatomicptr_t; -typedef intmax_t atomic_max_t; -typedef uintmax_t uatomic_max_t; - - -#define __arch_compare_and_exchange_8_acq(mem, newval, oldval) \ - (abort (), 0) - -#define __arch_compare_and_exchange_16_acq(mem, newval, oldval) \ - (abort (), 0) - -#define __arch_compare_and_exchange_32_acq(mem, newval, oldval) \ - ({ unsigned int *__mem = (unsigned int *) (mem); \ - unsigned int __old = (unsigned int) (oldval); \ - unsigned int __cmp = __old; \ - __asm __volatile ("cs %0,%2,%1" \ - : "+d" (__old), "=Q" (*__mem) \ - : "d" (newval), "m" (*__mem) : "cc" ); \ - __cmp != __old; }) - -#ifdef __s390x__ -# define __arch_compare_and_exchange_64_acq(mem, newval, oldval) \ - ({ unsigned long int *__mem = (unsigned long int *) (mem); \ - unsigned long int __old = (unsigned long int) (oldval); \ - unsigned long int __cmp = __old; \ - __asm __volatile ("csg %0,%2,%1" \ - : "+d" (__old), "=Q" (*__mem) \ - : "d" (newval), "m" (*__mem) : "cc" ); \ - __cmp != __old; }) -#else -/* For 31 bit we do not really need 64-bit compare-and-exchange. We can - implement them by use of the csd instruction. The straightforward - implementation causes warnings so we skip the definition for now. */ -# define __arch_compare_and_exchange_64_acq(mem, newval, oldval) \ - (abort (), 0) -#endif |