__ lw(reg, FieldMemOperand(scratch1, Map::kPrototypeOffset));
} else {
Register map_reg = scratch1;
+ __ lw(map_reg, FieldMemOperand(reg, HeapObject::kMapOffset));
if (depth != 1 || check == CHECK_ALL_MAPS) {
- // CheckMap implicitly loads the map of |reg| into |map_reg|.
- __ CheckMap(reg, map_reg, current_map, miss, DONT_DO_SMI_CHECK);
- } else {
- __ lw(map_reg, FieldMemOperand(reg, HeapObject::kMapOffset));
+ Handle<WeakCell> cell = Map::WeakCellForMap(current_map);
+ __ CmpWeakValue(scratch2, map_reg, cell);
+ __ Branch(miss, ne, scratch2, Operand(zero_reg));
}
// Check access rights to the global object. This has to happen after
if (depth != 0 || check == CHECK_ALL_MAPS) {
// Check the holder map.
- __ CheckMap(reg, scratch1, current_map, miss, DONT_DO_SMI_CHECK);
+ __ lw(scratch1, FieldMemOperand(reg, HeapObject::kMapOffset));
+ Handle<WeakCell> cell = Map::WeakCellForMap(current_map);
+ __ CmpWeakValue(scratch2, scratch1, cell);
+ __ Branch(miss, ne, scratch2, Operand(zero_reg));
}
// Perform security check for access to the global object.
__ ld(reg, FieldMemOperand(scratch1, Map::kPrototypeOffset));
} else {
Register map_reg = scratch1;
+ __ ld(map_reg, FieldMemOperand(reg, HeapObject::kMapOffset));
if (depth != 1 || check == CHECK_ALL_MAPS) {
- // CheckMap implicitly loads the map of |reg| into |map_reg|.
- __ CheckMap(reg, map_reg, current_map, miss, DONT_DO_SMI_CHECK);
- } else {
- __ ld(map_reg, FieldMemOperand(reg, HeapObject::kMapOffset));
+ Handle<WeakCell> cell = Map::WeakCellForMap(current_map);
+ __ CmpWeakValue(scratch2, map_reg, cell);
+ __ Branch(miss, ne, scratch2, Operand(zero_reg));
}
// Check access rights to the global object. This has to happen after
if (depth != 0 || check == CHECK_ALL_MAPS) {
// Check the holder map.
- __ CheckMap(reg, scratch1, current_map, miss, DONT_DO_SMI_CHECK);
+ __ ld(scratch1, FieldMemOperand(reg, HeapObject::kMapOffset));
+ Handle<WeakCell> cell = Map::WeakCellForMap(current_map);
+ __ CmpWeakValue(scratch2, scratch1, cell);
+ __ Branch(miss, ne, scratch2, Operand(zero_reg));
}
// Perform security check for access to the global object.