src/hotspot/cpu/ppc/gc/g1/g1BarrierSetAssembler_ppc.cpp

rev 56646 : 8231757: [ppc] Fix VerifyOops. Errors show since 8231058.
Summary: Also make the checks print the wrong value and where a failure occurred.

*** 333,348 ****
    __ clrrdi(tmp1, value, JNIHandles::weak_tag_size);
    __ andi_(tmp2, value, JNIHandles::weak_tag_mask);
    __ ld(value, 0, tmp1);      // Resolve (untagged) jobject.
  
    __ beq(CCR0, not_weak);     // Test for jweak tag.
!   __ verify_oop(value);
    g1_write_barrier_pre(masm, IN_NATIVE | ON_PHANTOM_OOP_REF,
                         noreg, noreg, value,
                         tmp1, tmp2, needs_frame);
    __ bind(not_weak);
!   __ verify_oop(value);
    __ bind(done);
  }
  
  #ifdef COMPILER1
  
--- 333,348 ----
    __ clrrdi(tmp1, value, JNIHandles::weak_tag_size);
    __ andi_(tmp2, value, JNIHandles::weak_tag_mask);
    __ ld(value, 0, tmp1);      // Resolve (untagged) jobject.
  
    __ beq(CCR0, not_weak);     // Test for jweak tag.
!   __ verify_oop(value, FILE_AND_LINE);
    g1_write_barrier_pre(masm, IN_NATIVE | ON_PHANTOM_OOP_REF,
                         noreg, noreg, value,
                         tmp1, tmp2, needs_frame);
    __ bind(not_weak);
!   __ verify_oop(value, FILE_AND_LINE);
    __ bind(done);
  }
  
  #ifdef COMPILER1