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Diffstat (limited to 'nptl/sysdeps/powerpc/bits/atomic.h')
| -rw-r--r-- | nptl/sysdeps/powerpc/bits/atomic.h | 116 |
1 files changed, 0 insertions, 116 deletions
diff --git a/nptl/sysdeps/powerpc/bits/atomic.h b/nptl/sysdeps/powerpc/bits/atomic.h deleted file mode 100644 index af6156389f..0000000000 --- a/nptl/sysdeps/powerpc/bits/atomic.h +++ /dev/null @@ -1,116 +0,0 @@ -/* Atomic operations. PowerPC version. - Copyright (C) 2003 Free Software Foundation, Inc. - This file is part of the GNU C Library. - Contributed by Paul Mackerras <paulus@au.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) - -#ifdef UP -#define __ARCH_ACQ_INSTR "" -#define __ARCH_REL_INSTR "" -#else -#define __ARCH_ACQ_INSTR "isync" -#define __ARCH_REL_INSTR "sync" -#endif - -/* - * XXX At present these have both acquire and release semantics. - * Ultimately we should do separate _acq and _rel versions. - */ - -/* - * XXX this may not work properly on 64-bit if the register - * containing oldval has the high half non-zero for some reason. - */ -#define __arch_compare_and_exchange_32_acq(mem, newval, oldval) \ -({ \ - unsigned int __tmp; \ - __asm __volatile (__ARCH_REL_INSTR "\n" \ - "1: lwarx %0,0,%1\n" \ - " subf. %0,%2,%0\n" \ - " bne 2f\n" \ - " stwcx. %3,0,%1\n" \ - " bne- 1b\n" \ - "2: " __ARCH_ACQ_INSTR \ - : "=&r" (__tmp) \ - : "r" (mem), "r" (oldval), "r" (newval) \ - : "cr0", "memory"); \ - __tmp != 0; \ -}) - -#ifdef __powerpc64__ -#define __arch_compare_and_exchange_64_acq(mem, newval, oldval) \ -({ \ - unsigned long __tmp; \ - __asm __volatile (__ARCH_REL_INSTR "\n" \ - "1: ldarx %0,0,%1\n" \ - " subf. %0,%2,%0\n" \ - " bne 2f\n" \ - " stdcx. %3,0,%1\n" \ - " bne- 1b\n" \ - "2: " __ARCH_ACQ_INSTR \ - : "=&r" (__tmp) \ - : "r" (mem), "r" (oldval), "r" (newval) \ - : "cr0", "memory"); \ - __tmp != 0; \ -}) - -#else /* powerpc32 */ -#define __arch_compare_and_exchange_64_acq(mem, newval, oldval) \ - (abort (), 0) -#endif - -#define atomic_full_barrier() __asm ("sync" ::: "memory") -#ifdef __powerpc64__ -#define atomic_read_barrier() __asm ("lwsync" ::: "memory") -#else -#define atomic_read_barrier() __asm ("sync" ::: "memory") -#endif -#define atomic_write_barrier() __asm ("eieio" ::: "memory") |