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-rw-r--r--sysdeps/mach/mips/machine-lock.h92
1 files changed, 0 insertions, 92 deletions
diff --git a/sysdeps/mach/mips/machine-lock.h b/sysdeps/mach/mips/machine-lock.h
deleted file mode 100644
index eccc720dfa..0000000000
--- a/sysdeps/mach/mips/machine-lock.h
+++ /dev/null
@@ -1,92 +0,0 @@
-/* Machine-specific definition for spin locks.  MIPS version.
-   Copyright (C) 1996, 1997 Free Software Foundation, Inc.
-   This file is part of the GNU C Library.
-
-   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, write to the Free
-   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
-   02111-1307 USA.  */
-
-#ifndef _MACHINE_LOCK_H
-#define	_MACHINE_LOCK_H
-
-/* To get the TAS pseudo-instruction. */
-#include <mach/mips/mips_instruction.h>
-
-/* The type of a spin lock variable.  */
-
-typedef __volatile int __spin_lock_t;
-
-/* Value to initialize `__spin_lock_t' variables to.  */
-
-#define	__SPIN_LOCK_INITIALIZER	0
-
-
-#ifndef _EXTERN_INLINE
-#define _EXTERN_INLINE extern __inline
-#endif
-
-/* Unlock LOCK.  */
-
-_EXTERN_INLINE void
-__spin_unlock (__spin_lock_t *__lock)
-{
-  *__lock = 0;
-}
-
-/* Try to lock LOCK; return nonzero if we locked it, zero if another has.  */
-
-_EXTERN_INLINE int
-__spin_try_lock (register __spin_lock_t *__lock)
-{
-#if (__mips >= 2)
-  int __rtn;
-
-  __asm__ __volatile (".set noreorder");
-#if (__mips64)
-  __asm__ __volatile ("lld %0,0(%1)" : "=r" (__rtn) : "r" (__lock));
-#else
-  __asm__ __volatile ("ll %0,0(%1)" : "=r" (__rtn) : "r" (__lock));
-#endif
-  if (__rtn)
-    return 0;
-  __asm__ __volatile ("move %0,%1" : "=r" (__rtn) : "r" (__lock));
-#if (__mips64)
-  __asm__ __volatile ("scd %0,0(%1)" : "=r" (__rtn) : "r" (__lock));
-#else
-  __asm__ __volatile ("sc %0,0(%1)" : "=r" (__rtn) : "r" (__lock));
-#endif
-  __asm__ __volatile (".set reorder");
-  return __rtn;
-#else
-  register int __rtn __asm__ ("a0");
-
-  /* Use the Mach microkernel's emulated TAS pseudo-instruction.  */
-  __asm__ __volatile (".set noreorder");
-  __asm__ __volatile (".word %1" : "=r" (__rtn) : "i" (op_tas), "0" (__lock));
-  __asm__ __volatile ("nop");
-  __asm__ __volatile (".set reorder");
-  return __rtn ^ (int) __lock;
-#endif
-}
-
-/* Return nonzero if LOCK is locked.  */
-
-_EXTERN_INLINE int
-__spin_lock_locked (__spin_lock_t *__lock)
-{
-  return *__lock != 0;
-}
-
-
-#endif /* machine-lock.h */