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src/hotspot/cpu/aarch64/c1_Runtime1_aarch64.cpp
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rev 54670 : Port of valuetypes to aarch64
*** 770,800 ****
}
break;
case new_type_array_id:
case new_object_array_id:
{
Register length = r19; // Incoming
Register klass = r3; // Incoming
Register obj = r0; // Result
if (id == new_type_array_id) {
__ set_info("new_type_array", dont_gc_arguments);
! } else {
__ set_info("new_object_array", dont_gc_arguments);
}
#ifdef ASSERT
// assert object type is really an array of the proper kind
{
Label ok;
Register t0 = obj;
__ ldrw(t0, Address(klass, Klass::layout_helper_offset()));
__ asrw(t0, t0, Klass::_lh_array_tag_shift);
! int tag = ((id == new_type_array_id)
! ? Klass::_lh_array_tag_type_value
! : Klass::_lh_array_tag_obj_value);
__ mov(rscratch1, tag);
__ cmpw(t0, rscratch1);
__ br(Assembler::EQ, ok);
__ stop("assert(is an array klass)");
__ should_not_reach_here();
--- 770,810 ----
}
break;
case new_type_array_id:
case new_object_array_id:
+ case new_value_array_id:
{
Register length = r19; // Incoming
Register klass = r3; // Incoming
Register obj = r0; // Result
if (id == new_type_array_id) {
__ set_info("new_type_array", dont_gc_arguments);
! }
! else if (id == new_object_array_id) {
__ set_info("new_object_array", dont_gc_arguments);
}
+ else {
+ __ set_info("new_value_array", dont_gc_arguments);
+ }
#ifdef ASSERT
// assert object type is really an array of the proper kind
{
Label ok;
Register t0 = obj;
__ ldrw(t0, Address(klass, Klass::layout_helper_offset()));
__ asrw(t0, t0, Klass::_lh_array_tag_shift);
!
! int tag = 0;
! switch (id) {
! case new_type_array_id: tag = Klass::_lh_array_tag_type_value; break;
! case new_object_array_id: tag = Klass::_lh_array_tag_obj_value; break;
! case new_value_array_id: tag = Klass::_lh_array_tag_vt_value; break;
! default: ShouldNotReachHere();
! }
__ mov(rscratch1, tag);
__ cmpw(t0, rscratch1);
__ br(Assembler::EQ, ok);
__ stop("assert(is an array klass)");
__ should_not_reach_here();
*** 850,859 ****
--- 860,870 ----
OopMap* map = save_live_registers(sasm);
int call_offset;
if (id == new_type_array_id) {
call_offset = __ call_RT(obj, noreg, CAST_FROM_FN_PTR(address, new_type_array), klass, length);
} else {
+ // Runtime1::new_object_array handles both object and value arrays
call_offset = __ call_RT(obj, noreg, CAST_FROM_FN_PTR(address, new_object_array), klass, length);
}
oop_maps = new OopMapSet();
oop_maps->add_gc_map(call_offset, map);
*** 885,894 ****
--- 896,944 ----
// r0,: new multi array
__ verify_oop(r0);
}
break;
+ case load_flattened_array_id: // DMS CHECK
+ {
+ StubFrame f(sasm, "load_flattened_array", dont_gc_arguments);
+ OopMap* map = save_live_registers(sasm, 3);
+
+ // Called with store_parameter and not C abi
+
+ f.load_argument(1, r0); // rax,: array
+ f.load_argument(0, r1); // rbx,: index
+ int call_offset = __ call_RT(r0, noreg, CAST_FROM_FN_PTR(address, load_flattened_array), r0, r1);
+
+ oop_maps = new OopMapSet();
+ oop_maps->add_gc_map(call_offset, map);
+ restore_live_registers_except_r0(sasm);
+
+ // rax,: loaded element at array[index]
+ __ verify_oop(r0);
+ }
+ break;
+
+ case store_flattened_array_id: // DMS CHECK
+ {
+ StubFrame f(sasm, "store_flattened_array", dont_gc_arguments);
+ OopMap* map = save_live_registers(sasm, 4);
+
+ // Called with store_parameter and not C abi
+
+ f.load_argument(2, r0); // rax,: array
+ f.load_argument(1, r1); // rbx,: index
+ f.load_argument(0, r2); // rcx,: value
+ int call_offset = __ call_RT(noreg, noreg, CAST_FROM_FN_PTR(address, store_flattened_array), r0, r1, r2);
+
+ oop_maps = new OopMapSet();
+ oop_maps->add_gc_map(call_offset, map);
+ restore_live_registers_except_r0(sasm);
+ }
+ break;
+
+
case register_finalizer_id:
{
__ set_info("register_finalizer", dont_gc_arguments);
// This is called via call_runtime so the arguments
*** 924,938 ****
oop_maps = generate_exception_throw(sasm, CAST_FROM_FN_PTR(address, throw_class_cast_exception), true);
}
break;
case throw_incompatible_class_change_error_id:
! { StubFrame f(sasm, "throw_incompatible_class_cast_exception", dont_gc_arguments);
oop_maps = generate_exception_throw(sasm, CAST_FROM_FN_PTR(address, throw_incompatible_class_change_error), false);
}
break;
case slow_subtype_check_id:
{
// Typical calling sequence:
// __ push(klass_RInfo); // object klass or other subclass
// __ push(sup_k_RInfo); // array element klass or other superclass
--- 974,994 ----
oop_maps = generate_exception_throw(sasm, CAST_FROM_FN_PTR(address, throw_class_cast_exception), true);
}
break;
case throw_incompatible_class_change_error_id:
! { StubFrame f(sasm, "throw_incompatible_class_change_exception", dont_gc_arguments);
oop_maps = generate_exception_throw(sasm, CAST_FROM_FN_PTR(address, throw_incompatible_class_change_error), false);
}
break;
+ case throw_illegal_monitor_state_exception_id:
+ { StubFrame f(sasm, "throw_illegal_monitor_state_exception", dont_gc_arguments);
+ oop_maps = generate_exception_throw(sasm, CAST_FROM_FN_PTR(address, throw_illegal_monitor_state_exception), false);
+ }
+ break;
+
case slow_subtype_check_id:
{
// Typical calling sequence:
// __ push(klass_RInfo); // object klass or other subclass
// __ push(sup_k_RInfo); // array element klass or other superclass
*** 1120,1139 ****
__ far_jump(RuntimeAddress(deopt_blob->unpack_with_reexecution()));
}
break;
- default:
{ StubFrame f(sasm, "unimplemented entry", dont_gc_arguments);
__ mov(r0, (int)id);
__ call_RT(noreg, noreg, CAST_FROM_FN_PTR(address, unimplemented_entry), r0);
__ should_not_reach_here();
}
break;
}
}
return oop_maps;
}
#undef __
--- 1176,1198 ----
__ far_jump(RuntimeAddress(deopt_blob->unpack_with_reexecution()));
}
break;
+ default: // DMS CHECK: we come here with id:0 and id:32 during VM intialization, should it be fixed?
+ // tty->print_cr("DMS id %d not handled", id);
{ StubFrame f(sasm, "unimplemented entry", dont_gc_arguments);
__ mov(r0, (int)id);
__ call_RT(noreg, noreg, CAST_FROM_FN_PTR(address, unimplemented_entry), r0);
__ should_not_reach_here();
}
break;
}
}
+
+
return oop_maps;
}
#undef __
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