src/share/vm/gc/parallel/objectStartArray.cpp

rev 9847 : 8146395: Add inline qualifier in oop.hpp and fix inlining in gc files
Summary: Fix remaining issues after 8146401

*** 121,130 ****
--- 121,151 ----
  
  void ObjectStartArray::reset() {
    memset(_blocks_region.start(), clean_block, _blocks_region.byte_size());
  }
  
+ // Optimized for finding the first object that crosses into
+ // a given block. The blocks contain the offset of the last
+ // object in that block. Scroll backwards by one, and the first
+ // object hit should be at the beginning of the block
+ HeapWord* ObjectStartArray::object_start(HeapWord* addr) const {
+   assert_covered_region_contains(addr);
+   jbyte* block = block_for_addr(addr);
+   HeapWord* scroll_forward = offset_addr_for_block(block--);
+   while (scroll_forward > addr) {
+     scroll_forward = offset_addr_for_block(block--);
+   }
+ 
+   HeapWord* next = scroll_forward;
+   while (next <= addr) {
+     scroll_forward = next;
+     next += oop(next)->size();
+   }
+   assert(scroll_forward <= addr, "wrong order for current and arg");
+   assert(addr <= next, "wrong order for arg and next");
+   return scroll_forward;
+ }
  
  bool ObjectStartArray::object_starts_in_range(HeapWord* start_addr,
                                                HeapWord* end_addr) const {
    assert(start_addr <= end_addr,
           "Range is wrong. start_addr (" PTR_FORMAT ") is after end_addr (" PTR_FORMAT ")",