src/cpu/x86/vm/jniFastGetField_x86_64.cpp

rev 12906 : [mq]: gc_interface

*** 79,89 ****
      __ xorptr(robj, rcounter);                   // obj, since
                                                  // robj ^ rcounter ^ rcounter == robj
                                                  // robj is data dependent on rcounter.
    }
  
!   __ clear_jweak_tag(robj);
  
    __ movptr(robj, Address(robj, 0));             // *obj
    __ mov   (roffset, c_rarg2);
    __ shrptr(roffset, 2);                         // offset
  
--- 79,90 ----
      __ xorptr(robj, rcounter);                   // obj, since
                                                  // robj ^ rcounter ^ rcounter == robj
                                                  // robj is data dependent on rcounter.
    }
  
!   __ testb(robj, JNIHandles::weak_tag_mask);
!   __ jcc (Assembler::notZero, slow);
  
    __ movptr(robj, Address(robj, 0));             // *obj
    __ mov   (roffset, c_rarg2);
    __ shrptr(roffset, 2);                         // offset
  
*** 180,190 ****
      __ xorptr(robj, rcounter);                   // obj, since
                                                  // robj ^ rcounter ^ rcounter == robj
                                                  // robj is data dependent on rcounter.
    }
  
!   __ clear_jweak_tag(robj);
  
    __ movptr(robj, Address(robj, 0));             // *obj
    __ mov   (roffset, c_rarg2);
    __ shrptr(roffset, 2);                         // offset
  
--- 181,192 ----
      __ xorptr(robj, rcounter);                   // obj, since
                                                  // robj ^ rcounter ^ rcounter == robj
                                                  // robj is data dependent on rcounter.
    }
  
!   __ testb(robj, JNIHandles::weak_tag_mask);
!   __ jcc (Assembler::notZero, slow);
  
    __ movptr(robj, Address(robj, 0));             // *obj
    __ mov   (roffset, c_rarg2);
    __ shrptr(roffset, 2);                         // offset