Imported gcc-4.4.3

[msp430-gcc.git] / libstdc++-v3 / config / cpu / sparc / bits / atomicity.h

diff --git a/libstdc++-v3/config/cpu/sparc/bits/atomicity.h b/libstdc++-v3/config/cpu/sparc/bits/atomicity.h
deleted file mode 100644 (file)
index 23804db..0000000
--- a/libstdc++-v3/config/cpu/sparc/bits/atomicity.h
+++ /dev/null
@@ -1,131 +0,0 @@
-// Low-level functions for atomic operations: Sparc version  -*- C++ -*-
-
-// Copyright (C) 1999, 2000, 2001, 2002 Free Software Foundation, Inc.
-//
-// This file is part of the GNU ISO C++ Library.  This library is free
-// software; you can redistribute it and/or modify it under the
-// terms of the GNU General Public License as published by the
-// Free Software Foundation; either version 2, or (at your option)
-// any later version.
-
-// This 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 General Public License for more details.
-
-// You should have received a copy of the GNU General Public License along
-// with this library; see the file COPYING.  If not, write to the Free
-// Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
-// USA.
-
-// As a special exception, you may use this file as part of a free software
-// library without restriction.  Specifically, if other files instantiate
-// templates or use macros or inline functions from this file, or you compile
-// this file and link it with other files to produce an executable, this
-// file does not by itself cause the resulting executable to be covered by
-// the GNU General Public License.  This exception does not however
-// invalidate any other reasons why the executable file might be covered by
-// the GNU General Public License.
-
-#ifndef _BITS_ATOMICITY_H
-#define _BITS_ATOMICITY_H      1
-
-#ifdef __arch64__
-
-typedef long _Atomic_word;
-
-static inline _Atomic_word
-__attribute__ ((__unused__))
-__exchange_and_add (volatile _Atomic_word *__mem, int __val)
-{
-  _Atomic_word __tmp1, __tmp2;
-
-  __asm__ __volatile__("1:     ldx     [%2], %0\n\t"
-                      "        add     %0, %3, %1\n\t"
-                      "        casx    [%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 _Atomic_word* __mem, int __val)
-{
-  _Atomic_word __tmp1, __tmp2;
-
-  __asm__ __volatile__("1:     ldx     [%2], %0\n\t"
-                      "        add     %0, %3, %1\n\t"
-                      "        casx    [%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");
-}
-
-#else /* __arch32__ */
-
-typedef int _Atomic_word;
-
-template <int __inst>
-struct __Atomicity_lock
-{
-  static unsigned char _S_atomicity_lock;
-};
-
-template <int __inst>
-unsigned char __Atomicity_lock<__inst>::_S_atomicity_lock = 0;
-
-template unsigned char __Atomicity_lock<0>::_S_atomicity_lock;
-
-static int
-__attribute__ ((__unused__))
-__exchange_and_add (volatile _Atomic_word* __mem, int __val)
-{
-  _Atomic_word __result, __tmp;
-
-  __asm__ __volatile__("1:     ldstub  [%1], %0\n\t"
-                      "        cmp     %0, 0\n\t"
-                      "        bne     1b\n\t"
-                      "         nop"
-                      : "=&r" (__tmp)
-                      : "r" (&__Atomicity_lock<0>::_S_atomicity_lock)
-                      : "memory");
-  __result = *__mem;
-  *__mem += __val;
-  __asm__ __volatile__("stb    %%g0, [%0]"
-                      : /* no outputs */
-                      : "r" (&__Atomicity_lock<0>::_S_atomicity_lock)
-                      : "memory");
-  return __result;
-}
-
-static void
-__attribute__ ((__unused__))
-__atomic_add (volatile _Atomic_word* __mem, int __val)
-{
-  _Atomic_word __tmp;
-
-  __asm__ __volatile__("1:     ldstub  [%1], %0\n\t"
-                      "        cmp     %0, 0\n\t"
-                      "        bne     1b\n\t"
-                      "         nop"
-                      : "=&r" (__tmp)
-                      : "r" (&__Atomicity_lock<0>::_S_atomicity_lock)
-                      : "memory");
-  *__mem += __val;
-  __asm__ __volatile__("stb    %%g0, [%0]"
-                      : /* no outputs */
-                      : "r" (&__Atomicity_lock<0>::_S_atomicity_lock)
-                      : "memory");
-}
-
-#endif /* __arch32__ */
-
-#endif /* atomicity.h */