* sysdeps/sparc/sparc32/bits/atomic.h: New file.

[glibc.git] / sysdeps / sparc / sparc64 / atomicity.h

diff --git a/sysdeps/sparc/sparc64/atomicity.h b/sysdeps/sparc/sparc64/atomicity.h
index 4d2ca52487418901fb2b80e34e678a5ad37c0298..e69de29bb2d1d6434b8b29ae775ad8c2e48c5391 100644 (file)
--- a/sysdeps/sparc/sparc64/atomicity.h
+++ b/sysdeps/sparc/sparc64/atomicity.h
@@ -1,82 +0,0 @@
-/* Low-level functions for atomic operations.  Sparc64 version.
-   Copyright (C) 1999 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 _ATOMICITY_H
-#define _ATOMICITY_H   1
-
-#include <inttypes.h>
-
-static inline int
-__attribute__ ((unused))
-exchange_and_add (volatile uint32_t *mem, int val)
-{
-  uint32_t tmp1, tmp2;
-
-  __asm__ __volatile__("1:     lduw    [%2], %0\n\t"
-                      "        add     %0, %3, %1\n\t"
-                      "        cas     [%2], %0, %1\n\t"
-                      "        sub     %0, %1, %0\n\t"
-                      "        brnz,pn %0, 1b\n\t"
-                      "         nop"
-                      : "=&r" (tmp1), "=&r" (tmp2)
-                      : "r" (mem), "r" (val)
-                      : "memory");
-  return tmp2;
-}
-
-static inline void
-__attribute__ ((unused))
-atomic_add (volatile uint32_t *mem, int val)
-{
-  uint32_t tmp1, tmp2;
-
-  __asm__ __volatile__("1:     lduw    [%2], %0\n\t"
-                      "        add     %0, %3, %1\n\t"
-                      "        cas     [%2], %0, %1\n\t"
-                      "        sub     %0, %1, %0\n\t"
-                      "        brnz,pn %0, 1b\n\t"
-                      "         nop"
-                      : "=&r" (tmp1), "=&r" (tmp2)
-                      : "r" (mem), "r" (val)
-                      : "memory");
-}
-
-static inline int
-__attribute__ ((unused))
-compare_and_swap (volatile long int *p, long int oldval, long int newval)
-{
-  register long int tmp, tmp2;
-
-  __asm__ __volatile__("1:     ldx     [%4], %0\n\t"
-                      "        mov     %2, %1\n\t"
-                      "        cmp     %0, %3\n\t"
-                      "        bne,a,pn %%xcc, 2f\n\t"
-                      "         mov    0, %0\n\t"
-                      "        casx    [%4], %0, %1\n\t"
-                      "        sub     %0, %1, %0\n\t"
-                      "        brnz,pn %0, 1b\n\t"
-                      "         mov    1, %0\n\t"
-                      "2:"
-                      : "=&r" (tmp), "=&r" (tmp2)
-                      : "r" (newval), "r" (oldval), "r" (p)
-                      : "memory");
-  return tmp;
-}
-
-#endif /* atomicity.h */