src/hotspot/share/gc/shenandoah/shenandoahNumberSeq.cpp

*** 130,140 ****
  BinaryMagnitudeSeq::~BinaryMagnitudeSeq() {
    FREE_C_HEAP_ARRAY(size_t, _mags);
  }
  
  void BinaryMagnitudeSeq::add(size_t val) {
!   Atomic::add(val, &_sum);
  
    int mag = log2_intptr(val) + 1;
  
    // Defensively saturate for product bits:
    if (mag < 0) {
--- 130,140 ----
  BinaryMagnitudeSeq::~BinaryMagnitudeSeq() {
    FREE_C_HEAP_ARRAY(size_t, _mags);
  }
  
  void BinaryMagnitudeSeq::add(size_t val) {
!   Atomic::add(&_sum, val);
  
    int mag = log2_intptr(val) + 1;
  
    // Defensively saturate for product bits:
    if (mag < 0) {
*** 145,155 ****
    if (mag >= BitsPerSize_t) {
      assert (false, "bucket index (%d) overflow for value (" SIZE_FORMAT ")", mag, val);
      mag = BitsPerSize_t - 1;
    }
  
!   Atomic::add((size_t)1, &_mags[mag]);
  }
  
  size_t BinaryMagnitudeSeq::level(int level) const {
    if (0 <= level && level < BitsPerSize_t) {
      return _mags[level];
--- 145,155 ----
    if (mag >= BitsPerSize_t) {
      assert (false, "bucket index (%d) overflow for value (" SIZE_FORMAT ")", mag, val);
      mag = BitsPerSize_t - 1;
    }
  
!   Atomic::add(&_mags[mag], (size_t)1);
  }
  
  size_t BinaryMagnitudeSeq::level(int level) const {
    if (0 <= level && level < BitsPerSize_t) {
      return _mags[level];