< prev index next > src/hotspot/share/gc/shared/c1/barrierSetC1.cpp
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}
LIR_Opr src_klass = gen->new_register(T_METADATA);
if (gen_type_check) {
// We have determined that offset == referent_offset && src != null.
// if (src->_klass->_reference_type == REF_NONE) -> continue
! __ move(new LIR_Address(base_reg, oopDesc::klass_offset_in_bytes(), T_ADDRESS), src_klass);
LIR_Address* reference_type_addr = new LIR_Address(src_klass, in_bytes(InstanceKlass::reference_type_offset()), T_BYTE);
LIR_Opr reference_type = gen->new_register(T_INT);
__ move(reference_type_addr, reference_type);
__ cmp(lir_cond_equal, reference_type, LIR_OprFact::intConst(REF_NONE));
__ branch(lir_cond_equal, cont->label());
}
LIR_Opr src_klass = gen->new_register(T_METADATA);
if (gen_type_check) {
// We have determined that offset == referent_offset && src != null.
// if (src->_klass->_reference_type == REF_NONE) -> continue
! gen->load_klass(base_reg, src_klass, NULL);
LIR_Address* reference_type_addr = new LIR_Address(src_klass, in_bytes(InstanceKlass::reference_type_offset()), T_BYTE);
LIR_Opr reference_type = gen->new_register(T_INT);
__ move(reference_type_addr, reference_type);
__ cmp(lir_cond_equal, reference_type, LIR_OprFact::intConst(REF_NONE));
__ branch(lir_cond_equal, cont->label());
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