21  * questions.
  22  */
  23 
  24 #include "precompiled.hpp"
  25 #include "c1/c1_LIR.hpp"
  26 #include "c1/c1_LIRGenerator.hpp"
  27 #include "c1/c1_CodeStubs.hpp"
  28 #include "gc/z/c1/zBarrierSetC1.hpp"
  29 #include "gc/z/zBarrierSet.hpp"
  30 #include "gc/z/zBarrierSetAssembler.hpp"
  31 #include "gc/z/zThreadLocalData.hpp"
  32 #include "utilities/macros.hpp"
  33 
  34 ZLoadBarrierStubC1::ZLoadBarrierStubC1(LIRAccess& access, LIR_Opr ref, address runtime_stub) :
  35     _decorators(access.decorators()),
  36     _ref_addr(access.resolved_addr()),
  37     _ref(ref),
  38     _tmp(LIR_OprFact::illegalOpr),
  39     _runtime_stub(runtime_stub) {
  40 



  41   // Allocate tmp register if needed
  42   if (!_ref_addr->is_register()) {
  43     assert(_ref_addr->is_address(), "Must be an address");
  44     if (_ref_addr->as_address_ptr()->index()->is_valid() ||
  45         _ref_addr->as_address_ptr()->disp() != 0) {
  46       // Has index or displacement, need tmp register to load address into
  47       _tmp = access.gen()->new_pointer_register();
  48     } else {
  49       // No index or displacement, address available in base register
  50       _ref_addr = _ref_addr->as_address_ptr()->base();
  51     }
  52   }
  53 
  54   assert(_ref->is_register(), "Must be a register");
  55   assert(_ref_addr->is_register() != _tmp->is_register(), "Only one should be a register");
  56 }
  57 
  58 DecoratorSet ZLoadBarrierStubC1::decorators() const {
  59   return _decorators;
  60 }
  61 
  62 LIR_Opr ZLoadBarrierStubC1::ref() const {
  63   return _ref;
  64 }
  65 
  66 LIR_Opr ZLoadBarrierStubC1::ref_addr() const {
  67   return _ref_addr;
  68 }
  69 
  70 LIR_Opr ZLoadBarrierStubC1::tmp() const {
  71   return _tmp;
  72 }
  73 
  74 address ZLoadBarrierStubC1::runtime_stub() const {
  75   return _runtime_stub;

  21  * questions.
  22  */
  23 
  24 #include "precompiled.hpp"
  25 #include "c1/c1_LIR.hpp"
  26 #include "c1/c1_LIRGenerator.hpp"
  27 #include "c1/c1_CodeStubs.hpp"
  28 #include "gc/z/c1/zBarrierSetC1.hpp"
  29 #include "gc/z/zBarrierSet.hpp"
  30 #include "gc/z/zBarrierSetAssembler.hpp"
  31 #include "gc/z/zThreadLocalData.hpp"
  32 #include "utilities/macros.hpp"
  33 
  34 ZLoadBarrierStubC1::ZLoadBarrierStubC1(LIRAccess& access, LIR_Opr ref, address runtime_stub) :
  35     _decorators(access.decorators()),
  36     _ref_addr(access.resolved_addr()),
  37     _ref(ref),
  38     _tmp(LIR_OprFact::illegalOpr),
  39     _runtime_stub(runtime_stub) {
  40 
  41   assert(_ref_addr->is_address(), "Must be an address");
  42   assert(_ref->is_register(), "Must be a register");
  43 
  44   // Allocate tmp register if needed
  45   if (_ref_addr->as_address_ptr()->index()->is_valid() ||
  46       _ref_addr->as_address_ptr()->disp() != 0) {
  47     // Has index or displacement, need tmp register to load address into
  48     _tmp = access.gen()->new_pointer_register();






  49   }



  50 }
  51 
  52 DecoratorSet ZLoadBarrierStubC1::decorators() const {
  53   return _decorators;
  54 }
  55 
  56 LIR_Opr ZLoadBarrierStubC1::ref() const {
  57   return _ref;
  58 }
  59 
  60 LIR_Opr ZLoadBarrierStubC1::ref_addr() const {
  61   return _ref_addr;
  62 }
  63 
  64 LIR_Opr ZLoadBarrierStubC1::tmp() const {
  65   return _tmp;
  66 }
  67 
  68 address ZLoadBarrierStubC1::runtime_stub() const {
  69   return _runtime_stub;