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authorAndreas Schwab <schwab@suse.de>2003-03-22 21:01:29 +0000
committerAndreas Schwab <schwab@suse.de>2003-03-22 21:01:29 +0000
commitfaa58057464d9635e4ad9528dd1e4d5d79f2dd84 (patch)
tree344e754a981c33f7d61edede9c509288aafdafea /sysdeps/m68k/m68020
parent50c10df1afb11bb0533388ffe95a22d8dd873f2a (diff)
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* sysdeps/m68k/m68020/bits/atomic.h: New file.
	* sysdeps/m68k/m68020/atomicity.h: Removed.
Diffstat (limited to 'sysdeps/m68k/m68020')
-rw-r--r--sysdeps/m68k/m68020/atomicity.h64
1 files changed, 0 insertions, 64 deletions
diff --git a/sysdeps/m68k/m68020/atomicity.h b/sysdeps/m68k/m68020/atomicity.h
deleted file mode 100644
index 4649480867..0000000000
--- a/sysdeps/m68k/m68020/atomicity.h
+++ /dev/null
@@ -1,64 +0,0 @@
-/* Low-level functions for atomic operations.  m680x0 version, x >= 2.
-   Copyright (C) 1997 Free Software Foundation, Inc.
-   Contributed by Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>.
-   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 _ATOMICITY_H
-#define _ATOMICITY_H	1
-
-#include <inttypes.h>
-
-
-static inline int
-__attribute__ ((unused))
-exchange_and_add (volatile uint32_t *mem, int val)
-{
-  register int result = *mem;
-  register int temp;
-  __asm__ __volatile__ ("1: move%.l %0,%1;"
-			"   add%.l %2,%1;"
-			"   cas%.l %0,%1,%3;"
-			"   jbne 1b"
-			: "=d" (result), "=&d" (temp)
-			: "d" (val), "m" (*mem), "0" (result) : "memory");
-  return result;
-}
-
-static inline void
-__attribute__ ((unused))
-atomic_add (volatile uint32_t *mem, int val)
-{
-  /* XXX Use cas here as well?  */
-  __asm__ __volatile__ ("add%.l %0,%1"
-			: : "id" (val), "m" (*mem) : "memory");
-}
-
-static inline int
-__attribute__ ((unused))
-compare_and_swap (volatile long int *p, long int oldval, long int newval)
-{
-  char ret;
-  long int readval;
-
-  __asm__ __volatile__ ("cas%.l %2,%3,%1; seq %0"
-                        : "=dm" (ret), "=m" (*p), "=d" (readval)
-                        : "d" (newval), "m" (*p), "2" (oldval));
-  return ret;
-}
-
-#endif /* atomicity.h */