Upgrade Boehm GC to 7.2alpha4.

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

diff --git a/src/mm/boehm-gc/libatomic_ops-1.2/src/atomic_ops/sysdeps/ibmc/powerpc.h b/src/mm/boehm-gc/libatomic_ops-1.2/src/atomic_ops/sysdeps/ibmc/powerpc.h
deleted file mode 100644 (file)
index 4a1badb..0000000
--- a/src/mm/boehm-gc/libatomic_ops-1.2/src/atomic_ops/sysdeps/ibmc/powerpc.h
+++ /dev/null
@@ -1,126 +0,0 @@
-/* FIXME.  This is only a placeholder for the AIX compiler.            */
-/* It doesn't work.  Please send a patch.                              */
-/* Memory model documented at http://www-106.ibm.com/developerworks/   */
-/* eserver/articles/archguide.html and (clearer)                       */
-/* http://www-106.ibm.com/developerworks/eserver/articles/powerpc.html. */
-/* There appears to be no implicit ordering between any kind of                */
-/* independent memory references.                                      */
-/* Architecture enforces some ordering based on control dependence.    */
-/* I don't know if that could help.                                    */
-/* Data-dependent loads are always ordered.                            */
-/* Based on the above references, eieio is intended for use on         */
-/* uncached memory, which we don't support.  It does not order loads   */
-/* from cached memory.                                                 */
-/* Thanks to Maged Michael, Doug Lea, and Roger Hoover for helping to  */
-/* track some of this down and correcting my misunderstandings. -HB    */
-
-#include "../all_aligned_atomic_load_store.h"
-
-void AO_sync(void);
-#pragma mc_func AO_sync { "7c0004ac" }
-
-void AO_lwsync(void);
-#pragma mc_func AO_lwsync { "7c2004ac" }
-
-#define AO_nop_write() AO_lwsync()
-#define AO_HAVE_nop_write
-
-#define AO_nop_read() AO_lwsync()
-#define AO_HAVE_nop_read
-
-/* We explicitly specify load_acquire and store_release, since these   */
-/* rely on the fact that lwsync is also a LoadStore barrier.           */
-AO_INLINE AO_t
-AO_load_acquire(const volatile AO_t *addr)
-{
-  AO_t result = *addr;
-  AO_lwsync();
-  return result;
-}
-
-#define AO_HAVE_load_acquire
-
-AO_INLINE void
-AO_store_release(volatile AO_t *addr, AO_t value)
-{
-  AO_lwsync();
-  *addr = value;
-}
-
-#define AO_HAVE_load_acquire
-
-/* This is similar to the code in the garbage collector.  Deleting     */
-/* this and having it synthesized from compare_and_swap would probably */
-/* only cost us a load immediate instruction.                          */
-AO_INLINE AO_TS_VAL_t
-AO_test_and_set(volatile AO_TS_t *addr) {
-# error Implement me
-}
-
-#define AO_have_test_and_set
-
-AO_INLINE AO_TS_VAL_t
-AO_test_and_set_acquire(volatile AO_TS_t *addr) {
-  AO_TS_VAL_t result = AO_test_and_set(addr);
-  AO_lwsync();
-  return result;
-}
-
-#define AO_HAVE_test_and_set_acquire
-
-AO_INLINE AO_TS_VAL_t
-AO_test_and_set_release(volatile AO_TS_t *addr) {
-  AO_lwsync();
-  return AO_test_and_set(addr);
-}
-
-#define AO_HAVE_test_and_set_release
-
-AO_INLINE AO_TS_VAL_t
-AO_test_and_set_full(volatile AO_TS_t *addr) {
-  AO_TS_VAL_t result;
-  AO_lwsync();
-  result = AO_test_and_set(addr);
-  AO_lwsync();
-  return result;
-}
-
-#define AO_HAVE_test_and_set_full
-
-AO_INLINE AO_t
-AO_compare_and_swap(volatile AO_t *addr, AO_t old, AO_t new_val) {
-# error Implement me
-}
-
-#define AO_HAVE_compare_and_swap
-
-AO_INLINE AO_t
-AO_compare_and_swap_acquire(volatile AO_t *addr, AO_t old, AO_t new_val) {
-  AO_t result = AO_compare_and_swap(addr, old, new_val);
-  AO_lwsync();
-  return result;
-}
-
-#define AO_HAVE_compare_and_swap_acquire
-
-AO_INLINE AO_t
-AO_compare_and_swap_release(volatile AO_t *addr, AO_t old, AO_t new_val) {
-  AO_lwsync();
-  return AO_compare_and_swap(addr, old, new_val);
-}
-
-#define AO_HAVE_compare_and_swap_release
-
-AO_INLINE AO_t
-AO_compare_and_swap_full(volatile AO_t *addr, AO_t old, AO_t new_val) {
-  AO_t result;
-  AO_lwsync();
-  result = AO_compare_and_swap(addr, old, new_val);
-  AO_lwsync();
-  return result;
-}
-
-#define AO_HAVE_compare_and_swap_full
-
-/* FIXME: We should also implement fetch_and_add and or primitives     */
-/* directly.                                                           */