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-rw-r--r--sysdeps/powerpc/powerpc64/atomicity.h132
1 files changed, 0 insertions, 132 deletions
diff --git a/sysdeps/powerpc/powerpc64/atomicity.h b/sysdeps/powerpc/powerpc64/atomicity.h
deleted file mode 100644
index b9d0de0..0000000
--- a/sysdeps/powerpc/powerpc64/atomicity.h
+++ /dev/null
@@ -1,132 +0,0 @@
-/* Low-level functions for atomic operations. PowerPC64 version.
- Copyright (C) 1997, 1998, 1999, 2000, 2002 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 _ATOMICITY_H
-#define _ATOMICITY_H 1
-
-#include <inttypes.h>
-
-#if BROKEN_PPC_ASM_CR0
-# define __ATOMICITY_INLINE /* nothing */
-#else
-# define __ATOMICITY_INLINE inline
-#endif
-
-static __ATOMICITY_INLINE int
-__attribute__ ((unused))
-exchange_and_add (volatile uint32_t *mem, int val)
-{
- int tmp, result;
- __asm__ ("\n\
-0: lwarx %0,0,%2 \n\
- add%I3 %1,%0,%3 \n\
- stwcx. %1,0,%2 \n\
- bne- 0b \n\
-" : "=&b"(result), "=&r"(tmp) : "r" (mem), "Ir"(val) : "cr0", "memory");
- return result;
-}
-
-static __ATOMICITY_INLINE void
-__attribute__ ((unused))
-atomic_add_long (volatile long *mem, int val)
-{
- int tmp;
- __asm__ ("\n\
-0: ldarx %0,0,%1 \n\
- add%I2 %0,%0,%2 \n\
- stdcx. %0,0,%1 \n\
- bne- 0b \n\
-" : "=&b"(tmp) : "r" (mem), "Ir"(val) : "cr0", "memory");
-}
-
-
-static __ATOMICITY_INLINE int
-__attribute__ ((unused))
-exchange_and_add_long (volatile long *mem, int val)
-{
- int tmp, result;
- __asm__ ("\n\
-0: ldarx %0,0,%2 \n\
- add%I3 %1,%0,%3 \n\
- stdcx. %1,0,%2 \n\
- bne- 0b \n\
-" : "=&b"(result), "=&r"(tmp) : "r" (mem), "Ir"(val) : "cr0", "memory");
- return result;
-}
-
-static __ATOMICITY_INLINE void
-__attribute__ ((unused))
-atomic_add (volatile uint32_t *mem, int val)
-{
- 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" (mem), "Ir"(val) : "cr0", "memory");
-}
-
-static __ATOMICITY_INLINE int
-__attribute__ ((unused))
-compare_and_swap (volatile long int *p, long int oldval, long int newval)
-{
- int result;
- __asm__ ("\n\
-0: ldarx %0,0,%1 \n\
- sub%I2c. %0,%0,%2 \n\
- cntlzw %0,%0 \n\
- bne- 1f \n\
- stdcx. %3,0,%1 \n\
- bne- 0b \n\
-1: \n\
-" : "=&b"(result) : "r"(p), "Ir"(oldval), "r"(newval) : "cr0", "memory");
- return result >> 5;
-}
-
-static __ATOMICITY_INLINE long int
-__attribute__ ((unused))
-always_swap (volatile long int *p, long int newval)
-{
- long int result;
- __asm__ ("\n\
-0: ldarx %0,0,%1 \n\
- stdcx. %2,0,%1 \n\
- bne- 0b \n\
-" : "=&r"(result) : "r"(p), "r"(newval) : "cr0", "memory");
- return result;
-}
-
-static __ATOMICITY_INLINE int
-__attribute__ ((unused))
-test_and_set (volatile long int *p, long int newval)
-{
- int result;
- __asm__ ("\n\
-0: ldarx %0,0,%1 \n\
- cmpdi %0,0 \n\
- bne- 1f \n\
- stdcx. %2,0,%1 \n\
- bne- 0b \n\
-1: \n\
-" : "=&r"(result) : "r"(p), "r"(newval) : "cr0", "memory");
- return result;
-}
-
-#endif /* atomicity.h */