Mercurial > hg > graal-jvmci-8
diff src/share/vm/oops/generateOopMap.hpp @ 342:37f87013dfd8
6711316: Open source the Garbage-First garbage collector
Summary: First mercurial integration of the code for the Garbage-First garbage collector.
Reviewed-by: apetrusenko, iveresov, jmasa, sgoldman, tonyp, ysr
| author | ysr |
|---|---|
| date | Thu, 05 Jun 2008 15:57:56 -0700 |
| parents | a61af66fc99e |
| children | 98cb887364d3 |
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--- a/src/share/vm/oops/generateOopMap.hpp Wed Jun 04 13:51:09 2008 -0700 +++ b/src/share/vm/oops/generateOopMap.hpp Thu Jun 05 15:57:56 2008 -0700 @@ -341,16 +341,22 @@ BasicBlock * _basic_blocks; // Array of basicblock info int _gc_points; int _bb_count; - uintptr_t * _bb_hdr_bits; + BitMap _bb_hdr_bits; // Basicblocks methods void initialize_bb (); void mark_bbheaders_and_count_gc_points(); - bool is_bb_header (int bci) const { return (_bb_hdr_bits[bci >> LogBitsPerWord] & ((uintptr_t)1 << (bci & (BitsPerWord-1)))) != 0; } + bool is_bb_header (int bci) const { + return _bb_hdr_bits.at(bci); + } int gc_points () const { return _gc_points; } int bb_count () const { return _bb_count; } - void set_bbmark_bit (int bci); - void clear_bbmark_bit (int bci); + void set_bbmark_bit (int bci) { + _bb_hdr_bits.at_put(bci, true); + } + void clear_bbmark_bit (int bci) { + _bb_hdr_bits.at_put(bci, false); + } BasicBlock * get_basic_block_at (int bci) const; BasicBlock * get_basic_block_containing (int bci) const; void interp_bb (BasicBlock *bb);