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comparison src/share/vm/opto/chaitin.cpp @ 168:7793bd37a336

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6705887: Compressed Oops: generate x64 addressing and implicit null checks with narrow oops Summary: Generate addresses and implicit null checks with narrow oops to avoid decoding. Reviewed-by: jrose, never
author kvn
date Thu, 29 May 2008 12:04:14 -0700
parents ba764ed4b6f2
children d1605aabd0a1
comparison
equal deleted inserted replaced
167:feeb96a45707 168:7793bd37a336
1383 if( cisc->oper_input_base() > 1 && mach->oper_input_base() <= 1 ) { 1383 if( cisc->oper_input_base() > 1 && mach->oper_input_base() <= 1 ) {
1384 assert( cisc->oper_input_base() == 2, "Only adding one edge"); 1384 assert( cisc->oper_input_base() == 2, "Only adding one edge");
1385 cisc->ins_req(1,src); // Requires a memory edge 1385 cisc->ins_req(1,src); // Requires a memory edge
1386 } 1386 }
1387 b->_nodes.map(j,cisc); // Insert into basic block 1387 b->_nodes.map(j,cisc); // Insert into basic block
1388 n->replace_by(cisc); // Correct graph 1388 n->subsume_by(cisc); // Correct graph
1389 // 1389 //
1390 ++_used_cisc_instructions; 1390 ++_used_cisc_instructions;
1391 #ifndef PRODUCT 1391 #ifndef PRODUCT
1392 if( TraceCISCSpill ) { 1392 if( TraceCISCSpill ) {
1393 tty->print(" cisc-instr: "); 1393 tty->print(" cisc-instr: ");