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icedtea7-hotspot-pointer-comparison.patch (1600B)

    

  1. --- openjdk.orig/hotspot/src/share/vm/opto/lcm.cpp      2021-12-06 12:25:52.743843656 +0000
  2. +++ openjdk/hotspot/src/share/vm/opto/lcm.cpp           2021-12-06 12:26:05.814241520 +0000
  3. @@ -60,7 +60,7 @@
  4.  // Check whether val is not-null-decoded compressed oop,
  5.  // i.e. will grab into the base of the heap if it represents NULL.
  6.  static bool accesses_heap_base_zone(Node *val) {
  7. -  if (UseCompressedOops && Universe::narrow_oop_base() > 0) {
  8. +  if (UseCompressedOops && (Universe::narrow_oop_base() != 0)) {
  9.      if (val && val->is_Mach()) {
  10.          if (val->as_Mach()->ideal_Opcode() == Op_DecodeN) {
  11.            // This assumes all Decodes with TypePtr::NotNull are matched to nodes that
  12. --- openjdk.orig/hotspot/src/share/vm/runtime/virtualspace.cpp  2021-12-06 13:08:11.976366383 +0000
  13. +++ openjdk/hotspot/src/share/vm/runtime/virtualspace.cpp       2021-12-06 13:08:34.377048681 +0000
  14. @@ -527,7 +527,7 @@
  15.                  (UseCompressedOops && (Universe::narrow_oop_base() != NULL) &&
  16.                   Universe::narrow_oop_use_implicit_null_checks()) ?
  17.                    lcm(os::vm_page_size(), alignment) : 0) {
  18. -  if (base() > 0) {
  19. +  if (base() != 0) {
  20.      MemTracker::record_virtual_memory_type((address)base(), mtJavaHeap);
  21.    }
  22.  
  23. @@ -546,7 +546,7 @@
  24.                  (UseCompressedOops && (Universe::narrow_oop_base() != NULL) &&
  25.                   Universe::narrow_oop_use_implicit_null_checks()) ?
  26.                    lcm(os::vm_page_size(), prefix_align) : 0) {
  27. -  if (base() > 0) {
  28. +  if (base() != 0) {
  29.      MemTracker::record_virtual_memory_type((address)base(), mtJavaHeap);
  30.    }
  31.