diff options
Diffstat (limited to 'sysdeps/microblaze/atomic-machine.h')
| -rw-r--r-- | sysdeps/microblaze/atomic-machine.h | 11 |
1 files changed, 4 insertions, 7 deletions
diff --git a/sysdeps/microblaze/atomic-machine.h b/sysdeps/microblaze/atomic-machine.h index af7acacc96..5ff5d16d75 100644 --- a/sysdeps/microblaze/atomic-machine.h +++ b/sysdeps/microblaze/atomic-machine.h @@ -1,4 +1,4 @@ -/* Copyright (C) 2003-2016 Free Software Foundation, Inc. +/* Copyright (C) 2003-2018 Free Software Foundation, Inc. This file is part of the GNU C Library. @@ -38,6 +38,9 @@ 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 1 + /* Microblaze does not have byte and halfword forms of load and reserve and store conditional. So for microblaze we stub out the 8- and 16-bit forms. */ @@ -47,12 +50,6 @@ typedef uintmax_t uatomic_max_t; #define __arch_compare_and_exchange_bool_16_acq(mem, newval, oldval) \ (abort (), 0) -#define __arch_compare_and_exchange_bool_8_rel(mem, newval, oldval) \ - (abort (), 0) - -#define __arch_compare_and_exchange_bool_16_rel(mem, newval, oldval) \ - (abort (), 0) - #define __arch_compare_and_exchange_val_32_acq(mem, newval, oldval) \ ({ \ __typeof (*(mem)) __tmp; \ |