diff options
Diffstat (limited to 'linuxthreads/sysdeps/mips/pspinlock.c')
| -rw-r--r-- | linuxthreads/sysdeps/mips/pspinlock.c | 17 |
1 files changed, 3 insertions, 14 deletions
diff --git a/linuxthreads/sysdeps/mips/pspinlock.c b/linuxthreads/sysdeps/mips/pspinlock.c index 1aa372b4b8..7dd66af2c4 100644 --- a/linuxthreads/sysdeps/mips/pspinlock.c +++ b/linuxthreads/sysdeps/mips/pspinlock.c @@ -19,12 +19,9 @@ #include <errno.h> #include <pthread.h> -#include <sgidefs.h> #include <sys/tas.h> #include "internals.h" -#if (_MIPS_ISA >= _MIPS_ISA_MIPS2) - /* This implementation is similar to the one used in the Linux kernel. */ int __pthread_spin_lock (pthread_spinlock_t *lock) @@ -34,10 +31,13 @@ __pthread_spin_lock (pthread_spinlock_t *lock) asm volatile ("\t\t\t# spin_lock\n" "1:\n\t" + ".set push\n\t" + ".set mips2\n\t" "ll %1,%3\n\t" "li %2,1\n\t" "bnez %1,1b\n\t" "sc %2,%0\n\t" + ".set pop\n\t" "beqz %2,1b" : "=m" (*lock), "=&r" (tmp1), "=&r" (tmp2) : "m" (*lock) @@ -46,17 +46,6 @@ __pthread_spin_lock (pthread_spinlock_t *lock) return 0; } -#else /* !(_MIPS_ISA >= _MIPS_ISA_MIPS2) */ - -int -__pthread_spin_lock (pthread_spinlock_t *lock) -{ - while (_test_and_set ((int *) lock, 1)); - return 0; -} - -#endif /* !(_MIPS_ISA >= _MIPS_ISA_MIPS2) */ - weak_alias (__pthread_spin_lock, pthread_spin_lock) |