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src/hotspot/cpu/sparc/c1_LIRGenerator_sparc.cpp
BarrierSetC1
}
}
LIR_Address* LIRGenerator::emit_array_address(LIR_Opr array_opr, LIR_Opr index_opr,
! BasicType type, bool needs_card_mark) {
int elem_size = type2aelembytes(type);
int shift = exact_log2(elem_size);
LIR_Opr base_opr;
intx offset = arrayOopDesc::base_offset_in_bytes(type);
}
}
LIR_Address* LIRGenerator::emit_array_address(LIR_Opr array_opr, LIR_Opr index_opr,
! BasicType type) {
int elem_size = type2aelembytes(type);
int shift = exact_log2(elem_size);
LIR_Opr base_opr;
intx offset = arrayOopDesc::base_offset_in_bytes(type);
***************
__ add(base_opr, array_opr, base_opr);
} else {
__ add(index_opr, array_opr, base_opr);
}
}
! if (needs_card_mark) {
! LIR_Opr ptr = new_pointer_register();
! __ add(base_opr, LIR_OprFact::intptrConst(offset), ptr);
! return new LIR_Address(ptr, type);
! } else {
! return new LIR_Address(base_opr, offset, type);
! }
}
LIR_Opr LIRGenerator::load_immediate(int x, BasicType type) {
LIR_Opr r;
if (type == T_LONG) {
__ add(base_opr, array_opr, base_opr);
} else {
__ add(index_opr, array_opr, base_opr);
}
}
!
! return new LIR_Address(base_opr, offset, type);
}
LIR_Opr LIRGenerator::load_immediate(int x, BasicType type) {
LIR_Opr r;
if (type == T_LONG) {
***************
} else {
__ move(item, new LIR_Address(sp_opr, in_bytes(offset_from_sp), t));
}
}
//----------------------------------------------------------------------
// visitor functions
//----------------------------------------------------------------------
-
- void LIRGenerator::do_StoreIndexed(StoreIndexed* x) {
- assert(x->is_pinned(),"");
- bool needs_range_check = x->compute_needs_range_check();
- bool use_length = x->length() != NULL;
- bool obj_store = x->elt_type() == T_ARRAY || x->elt_type() == T_OBJECT;
- bool needs_store_check = obj_store && (x->value()->as_Constant() == NULL ||
- !get_jobject_constant(x->value())->is_null_object() ||
- x->should_profile());
-
- LIRItem array(x->array(), this);
- LIRItem index(x->index(), this);
- LIRItem value(x->value(), this);
- LIRItem length(this);
-
- array.load_item();
- index.load_nonconstant();
-
- if (use_length && needs_range_check) {
- length.set_instruction(x->length());
- length.load_item();
- }
- if (needs_store_check || x->check_boolean()) {
- value.load_item();
- } else {
- value.load_for_store(x->elt_type());
- }
-
- set_no_result(x);
-
- // the CodeEmitInfo must be duplicated for each different
- // LIR-instruction because spilling can occur anywhere between two
- // instructions and so the debug information must be different
- CodeEmitInfo* range_check_info = state_for(x);
- CodeEmitInfo* null_check_info = NULL;
- if (x->needs_null_check()) {
- null_check_info = new CodeEmitInfo(range_check_info);
- }
-
- // emit array address setup early so it schedules better
- LIR_Address* array_addr = emit_array_address(array.result(), index.result(), x->elt_type(), obj_store);
-
- if (GenerateRangeChecks && needs_range_check) {
- if (use_length) {
- __ cmp(lir_cond_belowEqual, length.result(), index.result());
- __ branch(lir_cond_belowEqual, T_INT, new RangeCheckStub(range_check_info, index.result()));
- } else {
- array_range_check(array.result(), index.result(), null_check_info, range_check_info);
- // range_check also does the null check
- null_check_info = NULL;
- }
- }
-
- if (GenerateArrayStoreCheck && needs_store_check) {
- LIR_Opr tmp1 = FrameMap::G1_opr;
- LIR_Opr tmp2 = FrameMap::G3_opr;
- LIR_Opr tmp3 = FrameMap::G5_opr;
-
- CodeEmitInfo* store_check_info = new CodeEmitInfo(range_check_info);
- __ store_check(value.result(), array.result(), tmp1, tmp2, tmp3, store_check_info, x->profiled_method(), x->profiled_bci());
- }
-
- if (obj_store) {
- // Needs GC write barriers.
- pre_barrier(LIR_OprFact::address(array_addr), LIR_OprFact::illegalOpr /* pre_val */,
- true /* do_load */, false /* patch */, NULL);
- }
- LIR_Opr result = maybe_mask_boolean(x, array.result(), value.result(), null_check_info);
- __ move(result, array_addr, null_check_info);
- if (obj_store) {
- // Precise card mark
- post_barrier(LIR_OprFact::address(array_addr), value.result());
- }
- }
-
-
void LIRGenerator::do_MonitorEnter(MonitorEnter* x) {
assert(x->is_pinned(),"");
LIRItem obj(x->obj(), this);
obj.load_item();
} else {
__ move(item, new LIR_Address(sp_opr, in_bytes(offset_from_sp), t));
}
}
+ void LIRGenerator::array_store_check(LIR_Opr value, LIR_Opr array, CodeEmitInfo* store_check_info, ciMethod* profiled_method, int profiled_bci) {
+ LIR_Opr tmp1 = FrameMap::G1_opr;
+ LIR_Opr tmp2 = FrameMap::G3_opr;
+ LIR_Opr tmp3 = FrameMap::G5_opr;
+ __ store_check(value, array, tmp1, tmp2, tmp3, store_check_info, profiled_method, profiled_bci);
+ }
+
//----------------------------------------------------------------------
// visitor functions
//----------------------------------------------------------------------
void LIRGenerator::do_MonitorEnter(MonitorEnter* x) {
assert(x->is_pinned(),"");
LIRItem obj(x->obj(), this);
obj.load_item();
***************
} else {
Unimplemented();
}
}
!
! void LIRGenerator::do_CompareAndSwap(Intrinsic* x, ValueType* type) {
! assert(x->number_of_arguments() == 4, "wrong type");
! LIRItem obj (x->argument_at(0), this); // object
! LIRItem offset(x->argument_at(1), this); // offset of field
! LIRItem cmp (x->argument_at(2), this); // value to compare with field
! LIRItem val (x->argument_at(3), this); // replace field with val if matches cmp
!
! // Use temps to avoid kills
LIR_Opr t1 = FrameMap::G1_opr;
LIR_Opr t2 = FrameMap::G3_opr;
! LIR_Opr addr = new_pointer_register();
!
! // get address of field
! obj.load_item();
! offset.load_item();
! cmp.load_item();
! val.load_item();
!
! __ add(obj.result(), offset.result(), addr);
!
! if (type == objectType) { // Write-barrier needed for Object fields.
! pre_barrier(addr, LIR_OprFact::illegalOpr /* pre_val */,
! true /* do_load */, false /* patch */, NULL);
! }
!
! if (type == objectType)
! __ cas_obj(addr, cmp.result(), val.result(), t1, t2);
! else if (type == intType)
! __ cas_int(addr, cmp.result(), val.result(), t1, t2);
! else if (type == longType)
! __ cas_long(addr, cmp.result(), val.result(), t1, t2);
! else {
! ShouldNotReachHere();
}
- // generate conditional move of boolean result
- LIR_Opr result = rlock_result(x);
__ cmove(lir_cond_equal, LIR_OprFact::intConst(1), LIR_OprFact::intConst(0),
! result, as_BasicType(type));
! if (type == objectType) { // Write-barrier needed for Object fields.
! // Precise card mark since could either be object or array
! post_barrier(addr, val.result());
}
}
void LIRGenerator::do_MathIntrinsic(Intrinsic* x) {
switch (x->id()) {
case vmIntrinsics::_dabs:
case vmIntrinsics::_dsqrt: {
} else {
Unimplemented();
}
}
! LIR_Opr LIRGenerator::atomic_cmpxchg(BasicType type, LIR_Opr addr, LIRItem& cmp_value, LIRItem& new_value) {
! LIR_Opr result = new_register(T_INT);
LIR_Opr t1 = FrameMap::G1_opr;
LIR_Opr t2 = FrameMap::G3_opr;
! cmp_value.load_item();
! new_value.load_item();
! if (type == T_OBJECT || type == T_ARRAY) {
! __ cas_obj(addr->as_address_ptr()->base(), cmp_value.result(), new_value.result(), t1, t2);
! } else if (type == T_INT) {
! __ cas_int(addr->as_address_ptr()->base(), cmp_value.result(), new_value.result(), t1, t2);
! } else if (type == T_LONG) {
! __ cas_long(addr->as_address_ptr()->base(), cmp_value.result(), new_value.result(), t1, t2);
! } else {
! Unimplemented();
}
__ cmove(lir_cond_equal, LIR_OprFact::intConst(1), LIR_OprFact::intConst(0),
! result, type);
! return result;
! }
!
! LIR_Opr LIRGenerator::atomic_xchg(BasicType type, LIR_Opr addr, LIRItem& value) {
! bool is_obj = type == T_OBJECT || type == T_ARRAY;
! LIR_Opr result = new_register(type);
! LIR_Opr tmp = LIR_OprFact::illegalOpr;
!
! value.load_item();
!
! if (is_obj) {
! tmp = FrameMap::G3_opr;
}
+
+ // Because we want a 2-arg form of xchg
+ __ move(value.result(), result);
+ __ xchg(addr, result, result, tmp);
+ return result;
}
+ LIR_Opr LIRGenerator::atomic_add(BasicType type, LIR_Opr addr, LIRItem& value) {
+ Unimplemented();
+ return LIR_OprFact::illegalOpr;
+ }
void LIRGenerator::do_MathIntrinsic(Intrinsic* x) {
switch (x->id()) {
case vmIntrinsics::_dabs:
case vmIntrinsics::_dsqrt: {
***************
void LIRGenerator::volatile_field_load(LIR_Address* address, LIR_Opr result,
CodeEmitInfo* info) {
__ load(address, result, info);
}
-
-
- void LIRGenerator::put_Object_unsafe(LIR_Opr src, LIR_Opr offset, LIR_Opr data,
- BasicType type, bool is_volatile) {
- LIR_Opr base_op = src;
- LIR_Opr index_op = offset;
-
- bool is_obj = (type == T_ARRAY || type == T_OBJECT);
- {
- if (type == T_BOOLEAN) {
- type = T_BYTE;
- }
- LIR_Address* addr;
- if (type == T_ARRAY || type == T_OBJECT) {
- LIR_Opr tmp = new_pointer_register();
- __ add(base_op, index_op, tmp);
- addr = new LIR_Address(tmp, type);
- } else {
- addr = new LIR_Address(base_op, index_op, type);
- }
-
- if (is_obj) {
- pre_barrier(LIR_OprFact::address(addr), LIR_OprFact::illegalOpr /* pre_val */,
- true /* do_load */, false /* patch */, NULL);
- // _bs->c1_write_barrier_pre(this, LIR_OprFact::address(addr));
- }
- __ move(data, addr);
- if (is_obj) {
- // This address is precise
- post_barrier(LIR_OprFact::address(addr), data);
- }
- }
- }
-
-
- void LIRGenerator::get_Object_unsafe(LIR_Opr dst, LIR_Opr src, LIR_Opr offset,
- BasicType type, bool is_volatile) {
- {
- LIR_Address* addr = new LIR_Address(src, offset, type);
- __ load(addr, dst);
- }
- }
-
- void LIRGenerator::do_UnsafeGetAndSetObject(UnsafeGetAndSetObject* x) {
- BasicType type = x->basic_type();
- LIRItem src(x->object(), this);
- LIRItem off(x->offset(), this);
- LIRItem value(x->value(), this);
-
- src.load_item();
- value.load_item();
- off.load_nonconstant();
-
- LIR_Opr dst = rlock_result(x, type);
- LIR_Opr data = value.result();
- bool is_obj = (type == T_ARRAY || type == T_OBJECT);
- LIR_Opr offset = off.result();
-
- // Because we want a 2-arg form of xchg
- __ move(data, dst);
-
- assert (!x->is_add() && (type == T_INT || (is_obj && UseCompressedOops)), "unexpected type");
- LIR_Address* addr;
- if (offset->is_constant()) {
-
- jlong l = offset->as_jlong();
- assert((jlong)((jint)l) == l, "offset too large for constant");
- jint c = (jint)l;
- addr = new LIR_Address(src.result(), c, type);
- } else {
- addr = new LIR_Address(src.result(), offset, type);
- }
-
- LIR_Opr tmp = LIR_OprFact::illegalOpr;
- LIR_Opr ptr = LIR_OprFact::illegalOpr;
-
- if (is_obj) {
- // Do the pre-write barrier, if any.
- // barriers on sparc don't work with a base + index address
- tmp = FrameMap::G3_opr;
- ptr = new_pointer_register();
- __ add(src.result(), off.result(), ptr);
- pre_barrier(ptr, LIR_OprFact::illegalOpr /* pre_val */,
- true /* do_load */, false /* patch */, NULL);
- }
- __ xchg(LIR_OprFact::address(addr), dst, dst, tmp);
- if (is_obj) {
- // Seems to be a precise address
- post_barrier(ptr, data);
- }
- }
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