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comparison src/share/vm/utilities/bitMap.hpp @ 809:6e2afda171db

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6849716: BitMap - performance regression introduced with G1 Summary: make verification code visible only in debug builds Reviewed-by: iveresov, ysr, johnc, apetrusenko, tonyp
author jcoomes
date Thu, 11 Jun 2009 13:31:01 -0700
parents 37f87013dfd8
children bd02caa94611
comparison
equal deleted inserted replaced
808:353ba4575581 809:6e2afda171db
91 void clear_large_range_of_words (idx_t beg, idx_t end); 91 void clear_large_range_of_words (idx_t beg, idx_t end);
92 92
93 // The index of the first full word in a range. 93 // The index of the first full word in a range.
94 idx_t word_index_round_up(idx_t bit) const; 94 idx_t word_index_round_up(idx_t bit) const;
95 95
96 // Verification, statistics. 96 // Verification.
97 void verify_index(idx_t index) const; 97 inline void verify_index(idx_t index) const NOT_DEBUG_RETURN;
98 void verify_range(idx_t beg_index, idx_t end_index) const; 98 inline void verify_range(idx_t beg_index, idx_t end_index) const
99 99 NOT_DEBUG_RETURN;
100
101 // Statistics.
100 static idx_t* _pop_count_table; 102 static idx_t* _pop_count_table;
101 static void init_pop_count_table(); 103 static void init_pop_count_table();
102 static idx_t num_set_bits(bm_word_t w); 104 static idx_t num_set_bits(bm_word_t w);
103 static idx_t num_set_bits_from_table(unsigned char c); 105 static idx_t num_set_bits_from_table(unsigned char c);
104 106
285 // Printing 287 // Printing
286 void print_on(outputStream* st) const; 288 void print_on(outputStream* st) const;
287 #endif 289 #endif
288 }; 290 };
289 291
290
291 // Convenience class wrapping BitMap which provides multiple bits per slot. 292 // Convenience class wrapping BitMap which provides multiple bits per slot.
292 class BitMap2D VALUE_OBJ_CLASS_SPEC { 293 class BitMap2D VALUE_OBJ_CLASS_SPEC {
293 public: 294 public:
294 typedef BitMap::idx_t idx_t; // Type used for bit and word indices. 295 typedef BitMap::idx_t idx_t; // Type used for bit and word indices.
295 typedef BitMap::bm_word_t bm_word_t; // Element type of array that 296 typedef BitMap::bm_word_t bm_word_t; // Element type of array that