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-rw-r--r--sysdeps/powerpc/bits/atomic.h84
1 files changed, 0 insertions, 84 deletions
diff --git a/sysdeps/powerpc/bits/atomic.h b/sysdeps/powerpc/bits/atomic.h
deleted file mode 100644
index 5ba19cd0..00000000
--- a/sysdeps/powerpc/bits/atomic.h
+++ /dev/null
@@ -1,84 +0,0 @@
-/* Atomic operations. PowerPC version.
- Copyright (C) 2003 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 Library General Public License as
- published by the Free Software Foundation; either version 2 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
- Library General Public License for more details.
-
- You should have received a copy of the GNU Library General Public
- License along with the GNU C Library; see the file COPYING.LIB. If not,
- write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- Boston, MA 02111-1307, USA. */
-
-#ifndef _BITS_ATOMIC_H
-#define _BITS_ATOMIC_H 1
-
-typedef __volatile int __atomic_t;
-
-static inline void
-__atomic_inc (__atomic_t *__var)
-{
- int tmp;
- __asm__ ("\n\
-0: lwarx %0,0,%1 \n\
- add%I2 %0,%0,%2 \n\
- stwcx. %0,0,%1 \n\
- bne- 0b \n\
-" : "=&b"(tmp) : "r" (__var), "Ir"(1) : "cr0", "memory");
-}
-
-static inline void
-__atomic_dec (__atomic_t *__var)
-{
- int tmp;
- __asm__ ("\n\
-0: lwarx %0,0,%1 \n\
- add%I2 %0,%0,%2 \n\
- stwcx. %0,0,%1 \n\
- bne- 0b \n\
-" : "=&b"(tmp) : "r" (__var), "Ir"(-1) : "cr0", "memory");
-}
-
-static inline int
-__atomic_dec_and_test (__atomic_t *__var)
-{
- unsigned char __ret;
-
-#if 0
- __asm__ __volatile ("lock; decl %0; sete %1"
- : "=m" (*__var), "=qm" (__ret) : "m" (*__var));
-#endif
- return __ret != 0;
-}
-
-/* We assume that an __atomicptr_t is only used for pointers to
- word-aligned objects, and use the lowest bit for a simple lock. */
-typedef __volatile int * __atomicptr_t;
-
-/* Actually we don't implement that yet, and assume that we run on
- something that has the i486 instruction set. */
-static inline int
-__atomicptr_compare_and_swap (__atomicptr_t *__ptr, void *__oldval,
- void * __newval)
-{
- int __ret;
- __asm__ ("\n\
-0: lwarx %0,0,%1 \n\
- sub%I2c. %0,%0,%2 \n\
- cntlzw %0,%0 \n\
- bne- 1f \n\
- stwcx. %3,0,%1 \n\
- bne- 0b \n\
-1: \n\
-" : "=&b"(__ret) : "r"(__ptr), "Ir"(__oldval), "r"(__newval) : "cr0", "memory");
- return __ret >> 5;
-}
-
-#endif