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comparison src/share/vm/opto/chaitin.cpp @ 7196:2aff40cb4703

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7092905: C2: Keep track of the number of dead nodes Summary: keep an (almost) accurate running count of the reachable (live) flow graph nodes. Reviewed-by: kvn, twisti, jrose, vlivanov
author bharadwaj
date Tue, 27 Nov 2012 17:24:15 -0800
parents e626685e9f6c
children 8373c19be854
comparison
equal deleted inserted replaced
7195:2cd5e15048e6 7196:2aff40cb4703
1493 if( cisc->oper_input_base() > 1 && mach->oper_input_base() <= 1 ) { 1493 if( cisc->oper_input_base() > 1 && mach->oper_input_base() <= 1 ) {
1494 assert( cisc->oper_input_base() == 2, "Only adding one edge"); 1494 assert( cisc->oper_input_base() == 2, "Only adding one edge");
1495 cisc->ins_req(1,src); // Requires a memory edge 1495 cisc->ins_req(1,src); // Requires a memory edge
1496 } 1496 }
1497 b->_nodes.map(j,cisc); // Insert into basic block 1497 b->_nodes.map(j,cisc); // Insert into basic block
1498 n->subsume_by(cisc); // Correct graph 1498 n->subsume_by(cisc, C); // Correct graph
1499 // 1499 //
1500 ++_used_cisc_instructions; 1500 ++_used_cisc_instructions;
1501 #ifndef PRODUCT 1501 #ifndef PRODUCT
1502 if( TraceCISCSpill ) { 1502 if( TraceCISCSpill ) {
1503 tty->print(" cisc-instr: "); 1503 tty->print(" cisc-instr: ");