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

@@ -90,11 +90,11 @@
     bool alloc_failure_pending = _alloc_failure_gc.is_set();
     bool explicit_gc_requested = _gc_requested.is_set() &&  is_explicit_gc(_requested_gc_cause);
     bool implicit_gc_requested = _gc_requested.is_set() && !is_explicit_gc(_requested_gc_cause);
 
     // This control loop iteration have seen this much allocations.
-    size_t allocs_seen = Atomic::xchg<size_t>(0, &_allocs_seen);
+    size_t allocs_seen = Atomic::xchg(&_allocs_seen, (size_t)0);
 
     // Choose which GC mode to run in. The block below should select a single mode.
     GCMode mode = none;
     GCCause::Cause cause = GCCause::_last_gc_cause;
     ShenandoahHeap::ShenandoahDegenPoint degen_point = ShenandoahHeap::_degenerated_unset;

@@ -591,11 +591,11 @@
   }
 }
 
 void ShenandoahControlThread::pacing_notify_alloc(size_t words) {
   assert(ShenandoahPacing, "should only call when pacing is enabled");
-  Atomic::add(words, &_allocs_seen);
+  Atomic::add(&_allocs_seen, words);
 }
 
 void ShenandoahControlThread::set_forced_counters_update(bool value) {
   _force_counters_update.set_cond(value);
 }