src/cpu/sparc/vm/vm_version_sparc.cpp

rev 9595 : imported patch 8133023_vm_init_before_ergo
rev 9596 : [mq]: delta1

*** 33,43 ****
  int VM_Version::_features = VM_Version::unknown_m;
  const char* VM_Version::_features_str = "";
  unsigned int VM_Version::_L2_data_cache_line_size = 0;
  
  void VM_Version::initialize() {
!   _features = determine_features();
    PrefetchCopyIntervalInBytes = prefetch_copy_interval_in_bytes();
    PrefetchScanIntervalInBytes = prefetch_scan_interval_in_bytes();
    PrefetchFieldsAhead         = prefetch_fields_ahead();
  
    // Allocation prefetch settings
--- 33,46 ----
  int VM_Version::_features = VM_Version::unknown_m;
  const char* VM_Version::_features_str = "";
  unsigned int VM_Version::_L2_data_cache_line_size = 0;
  
  void VM_Version::initialize() {
! 
!   assert(_features != VM_Version::unknown_m, "System pre-initialization is not complete.");
!   guarantee(VM_Version::has_v9(), "only SPARC v9 is supported");
! 
    PrefetchCopyIntervalInBytes = prefetch_copy_interval_in_bytes();
    PrefetchScanIntervalInBytes = prefetch_scan_interval_in_bytes();
    PrefetchFieldsAhead         = prefetch_fields_ahead();
  
    // Allocation prefetch settings
*** 58,69 ****
    if (AllocatePrefetchStyle == 3 && !has_blk_init()) {
      warning("BIS instructions are not available on this CPU");
      FLAG_SET_DEFAULT(AllocatePrefetchStyle, 1);
    }
  
-   guarantee(VM_Version::has_v9(), "only SPARC v9 is supported");
- 
    UseSSE = 0; // Only on x86 and x64
  
    _supports_cx8 = has_v9();
    _supports_atomic_getset4 = true; // swap instruction
  
--- 61,70 ----