-/* Copyright (C) 2000, 2002 Free Software Foundation, Inc.
+/* Copyright (C) 2000, 2002, 2003, 2004 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Maciej W. Rozycki <macro@ds2.pg.gda.pl>, 2000.
#include <features.h>
#include <sgidefs.h>
-#include <sys/sysmips.h>
__BEGIN_DECLS
# define _EXTERN_INLINE extern __inline
# endif
-# if (_MIPS_ISA >= _MIPS_ISA_MIPS2)
-
_EXTERN_INLINE int
-_test_and_set (int *p, int v) __THROW
+__NTH (_test_and_set (int *p, int v))
{
int r, t;
__asm__ __volatile__
("/* Inline test and set */\n"
"1:\n\t"
+ ".set push\n\t"
+#if _MIPS_SIM == _ABIO32
+ ".set mips2\n\t"
+#endif
"ll %0,%3\n\t"
"move %1,%4\n\t"
"beq %0,%4,2f\n\t"
"sc %1,%2\n\t"
+ ".set pop\n\t"
"beqz %1,1b\n"
"2:\n\t"
"/* End test and set */"
return r;
}
-# else /* !(_MIPS_ISA >= _MIPS_ISA_MIPS2) */
-
-_EXTERN_INLINE int
-_test_and_set (int *p, int v) __THROW
-{
- return sysmips (MIPS_ATOMIC_SET, (int) p, v, 0);
-}
-
-# endif /* !(_MIPS_ISA >= _MIPS_ISA_MIPS2) */
-
#endif /* __USE_EXTERN_INLINES */
__END_DECLS