src/cpu/sparc/vm/sparc.ad

rev 2575 : imported patch membar2
rev 2576 : imported patch membar3

*** 6603,6614 ****
    ins_encode( enc_membar_acquire );
    ins_pipe(long_memory_op);
  %}
  
  instruct membar_acquire_lock() %{
!   match(MemBarAcquire);
!   predicate(Matcher::prior_fast_lock(n));
    ins_cost(0);
  
    size(0);
    format %{ "!MEMBAR-acquire (CAS in prior FastLock so empty encoding)" %}
    ins_encode( );
--- 6603,6613 ----
    ins_encode( enc_membar_acquire );
    ins_pipe(long_memory_op);
  %}
  
  instruct membar_acquire_lock() %{
!   match(MemBarAcquireLock);
    ins_cost(0);
  
    size(0);
    format %{ "!MEMBAR-acquire (CAS in prior FastLock so empty encoding)" %}
    ins_encode( );
*** 6624,6635 ****
    ins_encode( enc_membar_release );
    ins_pipe(long_memory_op);
  %}
  
  instruct membar_release_lock() %{
!   match(MemBarRelease);
!   predicate(Matcher::post_fast_unlock(n));
    ins_cost(0);
  
    size(0);
    format %{ "!MEMBAR-release (CAS in succeeding FastUnlock so empty encoding)" %}
    ins_encode( );
--- 6623,6633 ----
    ins_encode( enc_membar_release );
    ins_pipe(long_memory_op);
  %}
  
  instruct membar_release_lock() %{
!   match(MemBarReleaseLock);
    ins_cost(0);
  
    size(0);
    format %{ "!MEMBAR-release (CAS in succeeding FastUnlock so empty encoding)" %}
    ins_encode( );