33 #include "ci/ciArrayKlass.hpp"

    33 #include "ci/ciArrayKlass.hpp"

    34 #include "ci/ciInstance.hpp"

    34 #include "ci/ciInstance.hpp"

    35 #include "gc/shared/collectedHeap.hpp"

    35 #include "gc/shared/collectedHeap.hpp"

    36 #include "gc/shared/barrierSet.hpp"

    36 #include "gc/shared/barrierSet.hpp"

    37 #include "gc/shared/cardTableBarrierSet.hpp"

    37 #include "gc/shared/cardTableBarrierSet.hpp"

    38 #include "nativeInst_ppc.hpp"

    39 #include "nativeInst_ppc.hpp"

    39 #include "oops/objArrayKlass.hpp"

    41 #include "oops/objArrayKlass.hpp"

    40 #include "runtime/frame.inline.hpp"

    42 #include "runtime/frame.inline.hpp"

    41 #include "runtime/safepointMechanism.inline.hpp"

    43 #include "runtime/safepointMechanism.inline.hpp"

    42 #include "runtime/sharedRuntime.hpp"

    44 #include "runtime/sharedRuntime.hpp"

    43 

    45 

  1235   Register src = addr->base()->as_pointer_register();

  1237   Register src = addr->base()->as_pointer_register();

  1236   Register disp_reg = noreg;

  1238   Register disp_reg = noreg;

  1237   int disp_value = addr->disp();

  1239   int disp_value = addr->disp();

  1238   bool needs_patching = (patch_code != lir_patch_none);

  1240   bool needs_patching = (patch_code != lir_patch_none);

  1239   bool compress_oop = (type == T_ARRAY || type == T_OBJECT) && UseCompressedOops && !wide &&

  1241   bool compress_oop = (type == T_ARRAY || type == T_OBJECT) && UseCompressedOops && !wide &&

  1241   bool load_disp = addr->index()->is_illegal() && !Assembler::is_simm16(disp_value);

  1243   bool load_disp = addr->index()->is_illegal() && !Assembler::is_simm16(disp_value);

  1242   bool use_R29 = compress_oop && load_disp; // Avoid register conflict, also do null check before killing R29.

  1244   bool use_R29 = compress_oop && load_disp; // Avoid register conflict, also do null check before killing R29.

  1243   // Null check for large offsets in LIRGenerator::do_StoreField.

  1245   // Null check for large offsets in LIRGenerator::do_StoreField.

  1244   bool needs_explicit_null_check = !ImplicitNullChecks || use_R29;

  1246   bool needs_explicit_null_check = !ImplicitNullChecks || use_R29;

  1245 

  1247