in which values are returned. */
#define __arch_compare_and_exchange_xxx_8_int(mem, newval, oldval, rel, acq) \
- (abort (), __prev = __cmp = 0)
+ (abort (), __prev = 0, __cmp = 0)
#define __arch_compare_and_exchange_xxx_16_int(mem, newval, oldval, rel, acq) \
- (abort (), __prev = __cmp = 0)
+ (abort (), __prev = 0, __cmp = 0)
#define __arch_compare_and_exchange_xxx_32_int(mem, newval, oldval, rel, acq) \
__asm__ __volatile__ ( \
#if _MIPS_SIM == _ABIO32
/* We can't do an atomic 64-bit operation in O32. */
#define __arch_compare_and_exchange_xxx_64_int(mem, newval, oldval, rel, acq) \
- (abort (), __prev = __cmp = 0)
+ (abort (), __prev = 0, __cmp = 0)
#else
#define __arch_compare_and_exchange_xxx_64_int(mem, newval, oldval, rel, acq) \
__asm__ __volatile__ ("\n" \
successful or not. */
#define __arch_compare_and_exchange_val_8_int(mem, new, old, rel, acq) \
-({ __typeof (*mem) __prev attribute_unused; int __cmp; \
+({ __typeof (*mem) __prev attribute_unused; int __cmp attribute_unused; \
__arch_compare_and_exchange_xxx_8_int(mem, new, old, rel, acq); \
(__typeof (*mem))__prev; })
#define __arch_compare_and_exchange_val_16_int(mem, new, old, rel, acq) \
-({ __typeof (*mem) __prev attribute_unused; int __cmp; \
+({ __typeof (*mem) __prev attribute_unused; int __cmp attribute_unused; \
__arch_compare_and_exchange_xxx_16_int(mem, new, old, rel, acq); \
(__typeof (*mem))__prev; })
#define __arch_compare_and_exchange_val_32_int(mem, new, old, rel, acq) \
-({ __typeof (*mem) __prev attribute_unused; int __cmp; \
+({ __typeof (*mem) __prev attribute_unused; int __cmp attribute_unused; \
__arch_compare_and_exchange_xxx_32_int(mem, new, old, rel, acq); \
(__typeof (*mem))__prev; })
#define __arch_compare_and_exchange_val_64_int(mem, new, old, rel, acq) \
-({ __typeof (*mem) __prev attribute_unused; int __cmp; \
+({ __typeof (*mem) __prev attribute_unused; int __cmp attribute_unused; \
__arch_compare_and_exchange_xxx_64_int(mem, new, old, rel, acq); \
(__typeof (*mem))__prev; })
#define lll_futex_timed_wait(futexp, val, timespec, private) \
({ \
INTERNAL_SYSCALL_DECL (__err); \
- long int __ret; \
+ long int __ret attribute_unused; \
__ret = INTERNAL_SYSCALL (futex, __err, 4, (long) (futexp), \
__lll_private_flag (FUTEX_WAIT, private), \
(val), (timespec)); \
#define lll_futex_wake(futexp, nr, private) \
({ \
INTERNAL_SYSCALL_DECL (__err); \
- long int __ret; \
+ long int __ret attribute_unused; \
__ret = INTERNAL_SYSCALL (futex, __err, 4, (long) (futexp), \
__lll_private_flag (FUTEX_WAKE, private), \
(nr), 0); \
#define lll_futex_requeue(futexp, nr_wake, nr_move, mutex, val, private) \
({ \
INTERNAL_SYSCALL_DECL (__err); \
- long int __ret; \
+ long int __ret attribute_unused; \
__ret = INTERNAL_SYSCALL (futex, __err, 6, (long) (futexp), \
__lll_private_flag (FUTEX_CMP_REQUEUE, private),\
(nr_wake), (nr_move), (mutex), (val)); \
#define lll_futex_wake_unlock(futexp, nr_wake, nr_wake2, futexp2, private) \
({ \
INTERNAL_SYSCALL_DECL (__err); \
- long int __ret; \
+ long int __ret attribute_unused; \
\
__ret = INTERNAL_SYSCALL (futex, __err, 6, (futexp), \
__lll_private_flag (FUTEX_WAKE_OP, private), \