diff options
Diffstat (limited to 'sysdeps/tile/tilegx/bits')
| -rw-r--r-- | sysdeps/tile/tilegx/bits/atomic.h | 60 |
1 files changed, 0 insertions, 60 deletions
diff --git a/sysdeps/tile/tilegx/bits/atomic.h b/sysdeps/tile/tilegx/bits/atomic.h deleted file mode 100644 index e75efb1c41..0000000000 --- a/sysdeps/tile/tilegx/bits/atomic.h +++ /dev/null @@ -1,60 +0,0 @@ -/* Copyright (C) 2011-2015 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/>. */ - -#ifndef _BITS_ATOMIC_H -#define _BITS_ATOMIC_H 1 - -#include <arch/spr_def.h> - -#ifdef _LP64 -# define __HAVE_64B_ATOMICS 1 -#else -/* tilegx32 does have 64-bit atomics, but assumptions in the semaphore - code mean that unaligned 64-bit atomics will be used if this symbol - is true, and unaligned atomics are not supported on tile. */ -# define __HAVE_64B_ATOMICS 0 -#endif - -#define USE_ATOMIC_COMPILER_BUILTINS 0 - -/* Pick appropriate 8- or 4-byte instruction. */ -#define __atomic_update(mem, v, op) \ - ((__typeof (*(mem))) (__typeof (*(mem) - *(mem))) \ - ((sizeof (*(mem)) == 8) ? \ - __insn_##op ((void *) (mem), (int64_t) (__typeof((v) - (v))) (v)) : \ - (sizeof (*(mem)) == 4) ? \ - __insn_##op##4 ((void *) (mem), (int32_t) (__typeof ((v) - (v))) (v)) : \ - __atomic_error_bad_argument_size())) - -#define atomic_compare_and_exchange_val_acq(mem, n, o) \ - ({ __insn_mtspr (SPR_CMPEXCH_VALUE, (int64_t) (__typeof ((o) - (o))) (o)); \ - __atomic_update (mem, n, cmpexch); }) -#define atomic_exchange_acq(mem, newvalue) \ - __atomic_update (mem, newvalue, exch) -#define atomic_exchange_and_add(mem, value) \ - __atomic_update (mem, value, fetchadd) -#define atomic_and_val(mem, mask) \ - __atomic_update (mem, mask, fetchand) -#define atomic_or_val(mem, mask) \ - __atomic_update (mem, mask, fetchor) -#define atomic_decrement_if_positive(mem) \ - __atomic_update (mem, -1, fetchaddgez) - -#include <sysdeps/tile/bits/atomic.h> - -#endif /* bits/atomic.h */ |