diff -r 6c7faa516fc6 -r 4f0635e148c1 hotspot/src/cpu/sparc/vm/c1_CodeStubs_sparc.cpp --- a/hotspot/src/cpu/sparc/vm/c1_CodeStubs_sparc.cpp Mon Aug 20 09:07:21 2012 -0700 +++ b/hotspot/src/cpu/sparc/vm/c1_CodeStubs_sparc.cpp Mon Aug 20 09:58:58 2012 -0700 @@ -435,85 +435,6 @@ } -void G1UnsafeGetObjSATBBarrierStub::emit_code(LIR_Assembler* ce) { - // At this point we know that offset == referent_offset. - // - // So we might have to emit: - // if (src == null) goto continuation. - // - // and we definitely have to emit: - // if (klass(src).reference_type == REF_NONE) goto continuation - // if (!marking_active) goto continuation - // if (pre_val == null) goto continuation - // call pre_barrier(pre_val) - // goto continuation - // - __ bind(_entry); - - assert(src()->is_register(), "sanity"); - Register src_reg = src()->as_register(); - - if (gen_src_check()) { - // The original src operand was not a constant. - // Generate src == null? - if (__ is_in_wdisp16_range(_continuation)) { - __ br_null(src_reg, /*annul*/false, Assembler::pt, _continuation); - } else { - __ cmp(src_reg, G0); - __ brx(Assembler::equal, false, Assembler::pt, _continuation); - } - __ delayed()->nop(); - } - - // Generate src->_klass->_reference_type() == REF_NONE)? - assert(tmp()->is_register(), "sanity"); - Register tmp_reg = tmp()->as_register(); - - __ load_klass(src_reg, tmp_reg); - - Address ref_type_adr(tmp_reg, instanceKlass::reference_type_offset()); - __ ldub(ref_type_adr, tmp_reg); - - // _reference_type field is of type ReferenceType (enum) - assert(REF_NONE == 0, "check this code"); - __ cmp_zero_and_br(Assembler::equal, tmp_reg, _continuation, /*annul*/false, Assembler::pt); - __ delayed()->nop(); - - // Is marking active? - assert(thread()->is_register(), "precondition"); - Register thread_reg = thread()->as_pointer_register(); - - Address in_progress(thread_reg, in_bytes(JavaThread::satb_mark_queue_offset() + - PtrQueue::byte_offset_of_active())); - - if (in_bytes(PtrQueue::byte_width_of_active()) == 4) { - __ ld(in_progress, tmp_reg); - } else { - assert(in_bytes(PtrQueue::byte_width_of_active()) == 1, "Assumption"); - __ ldsb(in_progress, tmp_reg); - } - - __ cmp_zero_and_br(Assembler::equal, tmp_reg, _continuation, /*annul*/false, Assembler::pt); - __ delayed()->nop(); - - // val == null? - assert(val()->is_register(), "Precondition."); - Register val_reg = val()->as_register(); - - if (__ is_in_wdisp16_range(_continuation)) { - __ br_null(val_reg, /*annul*/false, Assembler::pt, _continuation); - } else { - __ cmp(val_reg, G0); - __ brx(Assembler::equal, false, Assembler::pt, _continuation); - } - __ delayed()->nop(); - - __ call(Runtime1::entry_for(Runtime1::Runtime1::g1_pre_barrier_slow_id)); - __ delayed()->mov(val_reg, G4); - __ br(Assembler::always, false, Assembler::pt, _continuation); - __ delayed()->nop(); -} - jbyte* G1PostBarrierStub::_byte_map_base = NULL; jbyte* G1PostBarrierStub::byte_map_base_slow() {