324 // range_check also does the null check
325 null_check_info = NULL;
326 }
327 }
328
329 if (GenerateArrayStoreCheck && needs_store_check) {
330 LIR_Opr tmp1 = new_register(objectType);
331 LIR_Opr tmp2 = new_register(objectType);
332 LIR_Opr tmp3 = new_register(objectType);
333
334 CodeEmitInfo* store_check_info = new CodeEmitInfo(range_check_info);
335 __ store_check(val, ary, tmp1, tmp2, tmp3, store_check_info, x->profiled_method(), x->profiled_bci());
336 }
337
338 if (obj_store) {
339 // Needs GC write barriers.
340 pre_barrier(LIR_OprFact::address(array_addr), LIR_OprFact::illegalOpr /* pre_val */,
341 true /* do_load */, false /* patch */, NULL);
342 __ move(val, array_addr, null_check_info);
343 // Seems to be a precise
344 post_barrier(LIR_OprFact::address(array_addr), value.result());
345 } else {
346 LIR_Opr result = maybe_mask_boolean(x, ary, val, null_check_info);
347 __ move(result, array_addr, null_check_info);
348 }
349 }
350
351
352 void LIRGenerator::do_MonitorEnter(MonitorEnter* x) {
353 assert(x->is_pinned(),"");
354 LIRItem obj(x->obj(), this);
355 obj.load_item();
356
357 set_no_result(x);
358
359 // "lock" stores the address of the monitor stack slot, so this is not an oop
360 LIR_Opr lock = new_register(T_INT);
361 // Need a scratch register for biased locking on x86
362 LIR_Opr scratch = LIR_OprFact::illegalOpr;
363 if (UseBiasedLocking) {
364 scratch = new_register(T_INT);
|
324 // range_check also does the null check
325 null_check_info = NULL;
326 }
327 }
328
329 if (GenerateArrayStoreCheck && needs_store_check) {
330 LIR_Opr tmp1 = new_register(objectType);
331 LIR_Opr tmp2 = new_register(objectType);
332 LIR_Opr tmp3 = new_register(objectType);
333
334 CodeEmitInfo* store_check_info = new CodeEmitInfo(range_check_info);
335 __ store_check(val, ary, tmp1, tmp2, tmp3, store_check_info, x->profiled_method(), x->profiled_bci());
336 }
337
338 if (obj_store) {
339 // Needs GC write barriers.
340 pre_barrier(LIR_OprFact::address(array_addr), LIR_OprFact::illegalOpr /* pre_val */,
341 true /* do_load */, false /* patch */, NULL);
342 __ move(val, array_addr, null_check_info);
343 // Seems to be a precise
344 post_barrier(LIR_OprFact::address(array_addr), val);
345 } else {
346 LIR_Opr result = maybe_mask_boolean(x, ary, val, null_check_info);
347 __ move(result, array_addr, null_check_info);
348 }
349 }
350
351
352 void LIRGenerator::do_MonitorEnter(MonitorEnter* x) {
353 assert(x->is_pinned(),"");
354 LIRItem obj(x->obj(), this);
355 obj.load_item();
356
357 set_no_result(x);
358
359 // "lock" stores the address of the monitor stack slot, so this is not an oop
360 LIR_Opr lock = new_register(T_INT);
361 // Need a scratch register for biased locking on x86
362 LIR_Opr scratch = LIR_OprFact::illegalOpr;
363 if (UseBiasedLocking) {
364 scratch = new_register(T_INT);
|