src/hotspot/share/memory/allocation.inline.hpp

rev 55678 : 8227597: [fastdbg build] Arena::inc_bytes_allocated should get inlined
Reviewed-by: mbaesken, goetz

*** 32,51 ****
  #include "utilities/globalDefinitions.hpp"
  
  // Explicit C-heap memory management
  
  #ifndef PRODUCT
! // Increments unsigned long value for statistics (not atomic on MP).
  inline void inc_stat_counter(volatile julong* dest, julong add_value) {
! #if defined(SPARC) || defined(X86)
!   // Sparc and X86 have atomic jlong (8 bytes) instructions
!   julong value = Atomic::load(dest);
!   value += add_value;
!   Atomic::store(value, dest);
! #else
!   // possible word-tearing during load/store
    *dest += add_value;
  #endif
  }
  #endif
  
  template <class E>
--- 32,48 ----
  #include "utilities/globalDefinitions.hpp"
  
  // Explicit C-heap memory management
  
  #ifndef PRODUCT
! // Increments unsigned long value for statistics (not atomic on MP, but avoids word-tearing on 32 bit).
  inline void inc_stat_counter(volatile julong* dest, julong add_value) {
! #ifdef _LP64
    *dest += add_value;
+ #else
+   julong value = Atomic::load(dest);
+   Atomic::store(value + add_value, dest);
  #endif
  }
  #endif
  
  template <class E>