Upgrade Boehm GC to 7.2alpha4.

[cacao.git] / src / mm / boehm-gc / libatomic_ops-1.2 / src / atomic_ops / sysdeps / acquire_release_volatile.h

diff --git a/src/mm/boehm-gc/libatomic_ops-1.2/src/atomic_ops/sysdeps/acquire_release_volatile.h b/src/mm/boehm-gc/libatomic_ops-1.2/src/atomic_ops/sysdeps/acquire_release_volatile.h
deleted file mode 100644 (file)
index b84dc82..0000000
--- a/src/mm/boehm-gc/libatomic_ops-1.2/src/atomic_ops/sysdeps/acquire_release_volatile.h
+++ /dev/null
@@ -1,64 +0,0 @@
-/*
- * Copyright (c) 2003 Hewlett-Packard Development Company, L.P.
- * 
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- * 
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- * 
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE. 
- */
-
-/*
- * This file adds definitions appropriate for environments in which an AO_t
- * volatile load has acquire semantics, and an AO_t volatile store has release
- * semantics.  This is arguably supposed to be true with the standard Itanium
- * software conventions.
- */
-
-/*
- * Empirically gcc/ia64 does some reordering of ordinary operations around volatiles
- * even when we think it shouldn't.  Gcc 3.3 and earlier could reorder a volatile store
- * with another store.  As of March 2005, gcc pre-4 reused previously computed
- * common subexpressions across a volatile load.
- * Hence we now add compiler barriers for gcc.
- */
-#if !defined(AO_GCC_BARRIER)
-#  if defined(__GNUC__)
-#    define AO_GCC_BARRIER() AO_compiler_barrier()
-#  else
-#    define AO_GCC_BARRIER()
-#  endif
-#endif
-
-AO_INLINE AO_t
-AO_load_acquire(const volatile AO_t *p)
-{
-  AO_t result = *p;
-  /* A normal volatile load generates an ld.acq                */
-  AO_GCC_BARRIER();
-  return result;
-}
-#define AO_HAVE_load_acquire
-
-AO_INLINE void
-AO_store_release(volatile AO_t *p, AO_t val)
-{
-  AO_GCC_BARRIER();
-  /* A normal volatile store generates an st.rel       */
-  *p = val;
-}
-#define AO_HAVE_store_release
-
-