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

*** 79,89 ****
  
    for (CodeBlob *cb = CodeCache::first_blob(_heap); cb != NULL; cb = CodeCache::next_blob(_heap, cb)) {
      int current = count++;
      if ((current & stride_mask) == 0) {
        process_block = (current >= _claimed_idx) &&
!                       (Atomic::cmpxchg(current + stride, &_claimed_idx, current) == current);
      }
      if (process_block) {
        if (cb->is_alive()) {
          f->do_code_blob(cb);
  #ifdef ASSERT
--- 79,89 ----
  
    for (CodeBlob *cb = CodeCache::first_blob(_heap); cb != NULL; cb = CodeCache::next_blob(_heap, cb)) {
      int current = count++;
      if ((current & stride_mask) == 0) {
        process_block = (current >= _claimed_idx) &&
!                       (Atomic::cmpxchg(&_claimed_idx, current, current + stride) == current);
      }
      if (process_block) {
        if (cb->is_alive()) {
          f->do_code_blob(cb);
  #ifdef ASSERT
*** 262,272 ****
  
    GrowableArray<ShenandoahNMethod*>* list = ShenandoahCodeRoots::_recorded_nms;
  
    size_t max = (size_t)list->length();
    while (_claimed < max) {
!     size_t cur = Atomic::add(stride, &_claimed) - stride;
      size_t start = cur;
      size_t end = MIN2(cur + stride, max);
      if (start >= max) break;
  
      for (size_t idx = start; idx < end; idx++) {
--- 262,272 ----
  
    GrowableArray<ShenandoahNMethod*>* list = ShenandoahCodeRoots::_recorded_nms;
  
    size_t max = (size_t)list->length();
    while (_claimed < max) {
!     size_t cur = Atomic::add(&_claimed, stride) - stride;
      size_t start = cur;
      size_t end = MIN2(cur + stride, max);
      if (start >= max) break;
  
      for (size_t idx = start; idx < end; idx++) {