diff options
Diffstat (limited to 'sysdeps/sparc/sparc32/sparcv9/atomic-machine.h')
| -rw-r--r-- | sysdeps/sparc/sparc32/sparcv9/atomic-machine.h | 108 |
1 files changed, 0 insertions, 108 deletions
diff --git a/sysdeps/sparc/sparc32/sparcv9/atomic-machine.h b/sysdeps/sparc/sparc32/sparcv9/atomic-machine.h deleted file mode 100644 index 8d64f0729a..0000000000 --- a/sysdeps/sparc/sparc32/sparcv9/atomic-machine.h +++ /dev/null @@ -1,108 +0,0 @@ -/* Atomic operations. sparcv9 version. - Copyright (C) 2003-2019 Free Software Foundation, Inc. - This file is part of the GNU C Library. - Contributed by Jakub Jelinek <jakub@redhat.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, see - <https://www.gnu.org/licenses/>. */ - -#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 __HAVE_64B_ATOMICS 0 -#define USE_ATOMIC_COMPILER_BUILTINS 0 - -/* XXX Is this actually correct? */ -#define ATOMIC_EXCHANGE_USES_CAS 0 - - -#define __arch_compare_and_exchange_val_8_acq(mem, newval, oldval) \ - (abort (), (__typeof (*mem)) 0) - -#define __arch_compare_and_exchange_val_16_acq(mem, newval, oldval) \ - (abort (), (__typeof (*mem)) 0) - -#define __arch_compare_and_exchange_val_32_acq(mem, newval, oldval) \ -({ \ - __typeof (*(mem)) __acev_tmp; \ - __typeof (mem) __acev_mem = (mem); \ - if (__builtin_constant_p (oldval) && (oldval) == 0) \ - __asm __volatile ("cas [%3], %%g0, %0" \ - : "=r" (__acev_tmp), "=m" (*__acev_mem) \ - : "m" (*__acev_mem), "r" (__acev_mem), \ - "0" (newval) : "memory"); \ - else \ - __asm __volatile ("cas [%4], %2, %0" \ - : "=r" (__acev_tmp), "=m" (*__acev_mem) \ - : "r" (oldval), "m" (*__acev_mem), "r" (__acev_mem), \ - "0" (newval) : "memory"); \ - __acev_tmp; }) - -/* This can be implemented if needed. */ -#define __arch_compare_and_exchange_val_64_acq(mem, newval, oldval) \ - (abort (), (__typeof (*mem)) 0) - -#define atomic_exchange_acq(mem, newvalue) \ - ({ __typeof (*(mem)) __oldval; \ - __typeof (mem) __memp = (mem); \ - __typeof (*(mem)) __value = (newvalue); \ - \ - if (sizeof (*(mem)) == 4) \ - __asm ("swap %0, %1" \ - : "=m" (*__memp), "=r" (__oldval) \ - : "m" (*__memp), "1" (__value) : "memory"); \ - else \ - abort (); \ - __oldval; }) - -#define atomic_compare_and_exchange_val_24_acq(mem, newval, oldval) \ - atomic_compare_and_exchange_val_acq (mem, newval, oldval) - -#define atomic_exchange_24_rel(mem, newval) \ - atomic_exchange_rel (mem, newval) - -#define atomic_full_barrier() \ - __asm __volatile ("membar #LoadLoad | #LoadStore" \ - " | #StoreLoad | #StoreStore" : : : "memory") -#define atomic_read_barrier() \ - __asm __volatile ("membar #LoadLoad | #LoadStore" : : : "memory") -#define atomic_write_barrier() \ - __asm __volatile ("membar #LoadStore | #StoreStore" : : : "memory") - -extern void __cpu_relax (void); -#define atomic_spin_nop() __cpu_relax () |