src/share/vm/opto/chaitin.cpp

rev 5903 : 8033260: assert(lrg._area >= 0.0) failed: negative spill area
Summary: Change type from float to double on block frequency, and add check for +Inf - +Inf operation
Reviewed-by:

*** 208,218 ****
    , _trace_spilling(TraceSpilling || C->method_has_option("TraceSpilling"))
  #endif
  {
    NOT_PRODUCT( Compile::TracePhase t3("ctorChaitin", &_t_ctorChaitin, TimeCompiler); )
  
!   _high_frequency_lrg = MIN2(float(OPTO_LRG_HIGH_FREQ), _cfg.get_outer_loop_frequency());
  
    // Build a list of basic blocks, sorted by frequency
    _blks = NEW_RESOURCE_ARRAY(Block *, _cfg.number_of_blocks());
    // Experiment with sorting strategies to speed compilation
    double  cutoff = BLOCK_FREQUENCY(1.0); // Cutoff for high frequency bucket
--- 208,218 ----
    , _trace_spilling(TraceSpilling || C->method_has_option("TraceSpilling"))
  #endif
  {
    NOT_PRODUCT( Compile::TracePhase t3("ctorChaitin", &_t_ctorChaitin, TimeCompiler); )
  
!   _high_frequency_lrg = MIN2(double(OPTO_LRG_HIGH_FREQ), _cfg.get_outer_loop_frequency());
  
    // Build a list of basic blocks, sorted by frequency
    _blks = NEW_RESOURCE_ARRAY(Block *, _cfg.number_of_blocks());
    // Experiment with sorting strategies to speed compilation
    double  cutoff = BLOCK_FREQUENCY(1.0); // Cutoff for high frequency bucket