1418 // Increment the register. Set carry flag.
1419 addptr(data, DataLayout::counter_increment);
1420 // If the increment causes the counter to overflow, pull back by 1.
1421 sbbptr(data, (int32_t)0);
1422 }
1423 }
1424
1425
1426 void InterpreterMacroAssembler::increment_mdp_data_at(Register mdp_in,
1427 Register reg,
1428 int constant,
1429 bool decrement) {
1430 Address data(mdp_in, reg, Address::times_1, constant);
1431
1432 increment_mdp_data_at(data, decrement);
1433 }
1434
1435 void InterpreterMacroAssembler::set_mdp_flag_at(Register mdp_in,
1436 int flag_byte_constant) {
1437 assert(ProfileInterpreter, "must be profiling interpreter");
1438 int header_offset = in_bytes(DataLayout::header_offset());
1439 int header_bits = DataLayout::flag_mask_to_header_mask(flag_byte_constant);
1440 // Set the flag
1441 orl(Address(mdp_in, header_offset), header_bits);
1442 }
1443
1444
1445
1446 void InterpreterMacroAssembler::test_mdp_data_at(Register mdp_in,
1447 int offset,
1448 Register value,
1449 Register test_value_out,
1450 Label& not_equal_continue) {
1451 assert(ProfileInterpreter, "must be profiling interpreter");
1452 if (test_value_out == noreg) {
1453 cmpptr(value, Address(mdp_in, offset));
1454 } else {
1455 // Put the test value into a register, so caller can use it:
1456 movptr(test_value_out, Address(mdp_in, offset));
1457 cmpptr(test_value_out, value);
1458 }
1459 jcc(Assembler::notEqual, not_equal_continue);
1460 }
1461
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1418 // Increment the register. Set carry flag.
1419 addptr(data, DataLayout::counter_increment);
1420 // If the increment causes the counter to overflow, pull back by 1.
1421 sbbptr(data, (int32_t)0);
1422 }
1423 }
1424
1425
1426 void InterpreterMacroAssembler::increment_mdp_data_at(Register mdp_in,
1427 Register reg,
1428 int constant,
1429 bool decrement) {
1430 Address data(mdp_in, reg, Address::times_1, constant);
1431
1432 increment_mdp_data_at(data, decrement);
1433 }
1434
1435 void InterpreterMacroAssembler::set_mdp_flag_at(Register mdp_in,
1436 int flag_byte_constant) {
1437 assert(ProfileInterpreter, "must be profiling interpreter");
1438 int header_offset = in_bytes(DataLayout::flags_offset());
1439 int header_bits = flag_byte_constant;
1440 // Set the flag
1441 orb(Address(mdp_in, header_offset), header_bits);
1442 }
1443
1444
1445
1446 void InterpreterMacroAssembler::test_mdp_data_at(Register mdp_in,
1447 int offset,
1448 Register value,
1449 Register test_value_out,
1450 Label& not_equal_continue) {
1451 assert(ProfileInterpreter, "must be profiling interpreter");
1452 if (test_value_out == noreg) {
1453 cmpptr(value, Address(mdp_in, offset));
1454 } else {
1455 // Put the test value into a register, so caller can use it:
1456 movptr(test_value_out, Address(mdp_in, offset));
1457 cmpptr(test_value_out, value);
1458 }
1459 jcc(Assembler::notEqual, not_equal_continue);
1460 }
1461
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