src/share/vm/runtime/atomic.cpp

rev 10933 : 8154736: enhancement of cmpxchg and copy_to_survivor for ppc64
Reviewed-by:
Contributed-by: HORII@jp.ibm.com, mdoerr

*** 55,68 ****
    assert(sizeof(unsigned int) == sizeof(jint), "more work to do");
    return (unsigned int)Atomic::xchg((jint)exchange_value, (volatile jint*)dest);
  }
  
  unsigned Atomic::cmpxchg(unsigned int exchange_value,
!                          volatile unsigned int* dest, unsigned int compare_value) {
    assert(sizeof(unsigned int) == sizeof(jint), "more work to do");
    return (unsigned int)Atomic::cmpxchg((jint)exchange_value, (volatile jint*)dest,
!                                        (jint)compare_value);
  }
  
  jlong Atomic::add(jlong    add_value, volatile jlong*    dest) {
    jlong old = load(dest);
    jlong new_value = old + add_value;
--- 55,69 ----
    assert(sizeof(unsigned int) == sizeof(jint), "more work to do");
    return (unsigned int)Atomic::xchg((jint)exchange_value, (volatile jint*)dest);
  }
  
  unsigned Atomic::cmpxchg(unsigned int exchange_value,
!                            volatile unsigned int* dest, unsigned int compare_value,
!                            memory_order order) {
    assert(sizeof(unsigned int) == sizeof(jint), "more work to do");
    return (unsigned int)Atomic::cmpxchg((jint)exchange_value, (volatile jint*)dest,
!                                        (jint)compare_value, order);
  }
  
  jlong Atomic::add(jlong    add_value, volatile jlong*    dest) {
    jlong old = load(dest);
    jlong new_value = old + add_value;