diff options
Diffstat (limited to 'sysdeps/m68k')
| -rw-r--r-- | sysdeps/m68k/coldfire/atomic-machine.h | 3 | ||||
| -rw-r--r-- | sysdeps/m68k/m680x0/m68020/atomic-machine.h | 3 | ||||
| -rw-r--r-- | sysdeps/m68k/nptl/pthread_spin_lock.c | 24 |
3 files changed, 6 insertions, 24 deletions
diff --git a/sysdeps/m68k/coldfire/atomic-machine.h b/sysdeps/m68k/coldfire/atomic-machine.h index 9aeb993487..d2e4a1f15d 100644 --- a/sysdeps/m68k/coldfire/atomic-machine.h +++ b/sysdeps/m68k/coldfire/atomic-machine.h @@ -53,6 +53,9 @@ typedef uintmax_t uatomic_max_t; #define __HAVE_64B_ATOMICS 1 #define USE_ATOMIC_COMPILER_BUILTINS 0 +/* XXX Is this actually correct? */ +#define ATOMIC_EXCHANGE_USES_CAS 1 + /* The only basic operation needed is compare and exchange. */ #define atomic_compare_and_exchange_val_acq(mem, newval, oldval) \ ({ __typeof (mem) __gmemp = (mem); \ diff --git a/sysdeps/m68k/m680x0/m68020/atomic-machine.h b/sysdeps/m68k/m680x0/m68020/atomic-machine.h index 00dc22d79d..83238f51de 100644 --- a/sysdeps/m68k/m680x0/m68020/atomic-machine.h +++ b/sysdeps/m68k/m680x0/m68020/atomic-machine.h @@ -47,6 +47,9 @@ typedef uintmax_t uatomic_max_t; #define __HAVE_64B_ATOMICS 1 #define USE_ATOMIC_COMPILER_BUILTINS 0 +/* XXX Is this actually correct? */ +#define ATOMIC_EXCHANGE_USES_CAS 1 + #define __arch_compare_and_exchange_val_8_acq(mem, newval, oldval) \ ({ __typeof (*(mem)) __ret; \ __asm __volatile ("cas%.b %0,%2,%1" \ diff --git a/sysdeps/m68k/nptl/pthread_spin_lock.c b/sysdeps/m68k/nptl/pthread_spin_lock.c deleted file mode 100644 index 62795f4cd2..0000000000 --- a/sysdeps/m68k/nptl/pthread_spin_lock.c +++ /dev/null @@ -1,24 +0,0 @@ -/* Copyright (C) 2010-2017 Free Software Foundation, Inc. - This file is part of the GNU C Library. - Contributed by Maxim Kuvyrkov <maxim@codesourcery.com>, 2010. - - 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/>. */ - -#define SPIN_LOCK_READS_BETWEEN_CMPXCHG 1000 - -/* We can't use the normal "#include <nptl/pthread_spin_lock.c>" because - it will resolve to this very file. Using "sysdeps/.." as reference to the - top level directory does the job. */ -#include <sysdeps/../nptl/pthread_spin_lock.c> |