diff options
Diffstat (limited to 'ports/sysdeps/tile/bits/atomic.h')
| -rw-r--r-- | ports/sysdeps/tile/bits/atomic.h | 86 |
1 files changed, 0 insertions, 86 deletions
diff --git a/ports/sysdeps/tile/bits/atomic.h b/ports/sysdeps/tile/bits/atomic.h deleted file mode 100644 index 2cbb086069..0000000000 --- a/ports/sysdeps/tile/bits/atomic.h +++ /dev/null @@ -1,86 +0,0 @@ -/* Copyright (C) 2011-2014 Free Software Foundation, Inc. - This file is part of the GNU C Library. - Contributed by Chris Metcalf <cmetcalf@tilera.com>, 2011. - - 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/>. */ - -/* The sub-architecture headers provide definitions for these macros - that work for "int" and "long" size values only: - - atomic_compare_and_exchange_val_acq() - atomic_exchange_acq() - atomic_exchange_and_add() - atomic_and_val() - atomic_or_val() - atomic_decrement_if_positive() [tilegx only] - - Here we provide generic definitions true for all Tilera chips. */ - -#include <stdint.h> -#include <features.h> - -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; - -/* Barrier macro. */ -#define atomic_full_barrier() __sync_synchronize() - -/* APIs with "release" semantics. */ -#define atomic_compare_and_exchange_val_rel(mem, n, o) \ - ({ \ - atomic_full_barrier (); \ - atomic_compare_and_exchange_val_acq ((mem), (n), (o)); \ - }) -#define atomic_compare_and_exchange_bool_rel(mem, n, o) \ - ({ \ - atomic_full_barrier (); \ - atomic_compare_and_exchange_bool_acq ((mem), (n), (o)); \ - }) -#define atomic_exchange_rel(mem, n) \ - ({ \ - atomic_full_barrier (); \ - atomic_exchange_acq ((mem), (n)); \ - }) - -/* Various macros that should just be synonyms. */ -#define catomic_exchange_and_add atomic_exchange_and_add -#define atomic_and(mem, mask) ((void) atomic_and_val ((mem), (mask))) -#define catomic_and atomic_and -#define atomic_or(mem, mask) ((void) atomic_or_val ((mem), (mask))) -#define catomic_or atomic_or - -/* atomic_bit_test_set in terms of atomic_or_val. */ -#define atomic_bit_test_set(mem, bit) \ - ({ __typeof (*(mem)) __att0_mask = ((__typeof (*(mem))) 1 << (bit)); \ - atomic_or_val ((mem), __att0_mask) & __att0_mask; }) - -/* - * This non-existent symbol is called for unsupporrted sizes, - * indicating a bug in the caller. - */ -extern int __atomic_error_bad_argument_size(void) - __attribute__ ((warning ("bad sizeof atomic argument"))); |