summaryrefslogtreecommitdiffstats
path: root/contrib/libstdc++/config/cpu/sparc/sparc32/bits/atomicity.h
diff options
context:
space:
mode:
Diffstat (limited to 'contrib/libstdc++/config/cpu/sparc/sparc32/bits/atomicity.h')
-rw-r--r--contrib/libstdc++/config/cpu/sparc/sparc32/bits/atomicity.h88
1 files changed, 0 insertions, 88 deletions
diff --git a/contrib/libstdc++/config/cpu/sparc/sparc32/bits/atomicity.h b/contrib/libstdc++/config/cpu/sparc/sparc32/bits/atomicity.h
deleted file mode 100644
index aa639e4..0000000
--- a/contrib/libstdc++/config/cpu/sparc/sparc32/bits/atomicity.h
+++ /dev/null
@@ -1,88 +0,0 @@
-// Low-level functions for atomic operations: Sparc32 version -*- C++ -*-
-
-// Copyright (C) 1999, 2000, 2001 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
-
-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 /* atomicity.h */
OpenPOWER on IntegriCloud