equal
deleted
inserted
replaced
42 |
42 |
43 void CardTableBarrierSetAssembler::gen_write_ref_array_post_barrier(MacroAssembler* masm, DecoratorSet decorators, |
43 void CardTableBarrierSetAssembler::gen_write_ref_array_post_barrier(MacroAssembler* masm, DecoratorSet decorators, |
44 Register addr, Register count, Register tmp) { |
44 Register addr, Register count, Register tmp) { |
45 CardTableBarrierSet* ctbs = barrier_set_cast<CardTableBarrierSet>(BarrierSet::barrier_set()); |
45 CardTableBarrierSet* ctbs = barrier_set_cast<CardTableBarrierSet>(BarrierSet::barrier_set()); |
46 CardTable* ct = ctbs->card_table(); |
46 CardTable* ct = ctbs->card_table(); |
47 assert(sizeof(*ct->byte_map_base()) == sizeof(jbyte), "adjust this code"); |
|
48 assert_different_registers(addr, count, tmp); |
47 assert_different_registers(addr, count, tmp); |
49 |
48 |
50 Label L_loop, L_done; |
49 Label L_loop, L_done; |
51 |
50 |
52 __ cmp_and_br_short(count, 0, Assembler::equal, Assembler::pt, L_done); // zero count - nothing to do |
51 __ cmp_and_br_short(count, 0, Assembler::equal, Assembler::pt, L_done); // zero count - nothing to do |
68 |
67 |
69 __ BIND(L_done); |
68 __ BIND(L_done); |
70 } |
69 } |
71 |
70 |
72 void CardTableBarrierSetAssembler::card_table_write(MacroAssembler* masm, |
71 void CardTableBarrierSetAssembler::card_table_write(MacroAssembler* masm, |
73 jbyte* byte_map_base, |
72 CardTable::CardValue* byte_map_base, |
74 Register tmp, Register obj) { |
73 Register tmp, Register obj) { |
75 __ srlx(obj, CardTable::card_shift, obj); |
74 __ srlx(obj, CardTable::card_shift, obj); |
76 assert(tmp != obj, "need separate temp reg"); |
75 assert(tmp != obj, "need separate temp reg"); |
77 __ set((address) byte_map_base, tmp); |
76 __ set((address) byte_map_base, tmp); |
78 __ stb(G0, tmp, obj); |
77 __ stb(G0, tmp, obj); |