archive/jdk
1
0
Fork 0
mirror of https://github.com/openjdk/jdk.git synced 2025-09-20 19:14:38 +02:00
Code Issues Projects Releases Packages Wiki Activity Actions

8024921: PPC64 (part 113): Extend Load and Store nodes to know about memory ordering

Browse source 
Add a field to C2 LoadNode and StoreNode classes which indicates whether the load/store should do an acquire/release on platforms which support it.

Reviewed-by: kvn
This commit is contained in:
Goetz Lindenmaier 2013-11-15 11:05:32 -08:00
parent d8b9e9f681
commit 13b13f5259
17 changed files with 351 additions and 255 deletions
Download patch file Download diff file Expand all files Collapse all files

14
hotspot/src/share/vm/opto/parse2.cpp
View file

@ -50,7 +50,7 @@ void Parse::array_load(BasicType elem_type) {
if (stopped()) return; // guaranteed null or range check
dec_sp(2); // Pop array and index
const TypeAryPtr* adr_type = TypeAryPtr::get_array_body_type(elem_type);
Node* ld = make_load(control(), adr, elem, elem_type, adr_type);
Node* ld = make_load(control(), adr, elem, elem_type, adr_type, MemNode::unordered);
push(ld);
}
@ -62,7 +62,7 @@ void Parse::array_store(BasicType elem_type) {
Node* val = pop();
dec_sp(2); // Pop array and index
const TypeAryPtr* adr_type = TypeAryPtr::get_array_body_type(elem_type);
store_to_memory(control(), adr, val, elem_type, adr_type);
store_to_memory(control(), adr, val, elem_type, adr_type, StoreNode::release_if_reference(elem_type));
}
@ -1720,14 +1720,14 @@ void Parse::do_one_bytecode() {
a = array_addressing(T_LONG, 0);
if (stopped()) return; // guaranteed null or range check
dec_sp(2); // Pop array and index
push_pair(make_load(control(), a, TypeLong::LONG, T_LONG, TypeAryPtr::LONGS));
push_pair(make_load(control(), a, TypeLong::LONG, T_LONG, TypeAryPtr::LONGS, MemNode::unordered));
break;
}
case Bytecodes::_daload: {
a = array_addressing(T_DOUBLE, 0);
if (stopped()) return; // guaranteed null or range check
dec_sp(2); // Pop array and index
push_pair(make_load(control(), a, Type::DOUBLE, T_DOUBLE, TypeAryPtr::DOUBLES));
push_pair(make_load(control(), a, Type::DOUBLE, T_DOUBLE, TypeAryPtr::DOUBLES, MemNode::unordered));
break;
}
case Bytecodes::_bastore: array_store(T_BYTE); break;
@ -1744,7 +1744,7 @@ void Parse::do_one_bytecode() {
a = pop(); // the array itself
const TypeOopPtr* elemtype = _gvn.type(a)->is_aryptr()->elem()->make_oopptr();
const TypeAryPtr* adr_type = TypeAryPtr::OOPS;
Node* store = store_oop_to_array(control(), a, d, adr_type, c, elemtype, T_OBJECT);
Node* store = store_oop_to_array(control(), a, d, adr_type, c, elemtype, T_OBJECT, MemNode::release);
break;
}
case Bytecodes::_lastore: {
@ -1752,7 +1752,7 @@ void Parse::do_one_bytecode() {
if (stopped()) return; // guaranteed null or range check
c = pop_pair();
dec_sp(2); // Pop array and index
store_to_memory(control(), a, c, T_LONG, TypeAryPtr::LONGS);
store_to_memory(control(), a, c, T_LONG, TypeAryPtr::LONGS, MemNode::unordered);
break;
}
case Bytecodes::_dastore: {
@ -1761,7 +1761,7 @@ void Parse::do_one_bytecode() {
c = pop_pair();
dec_sp(2); // Pop array and index
c = dstore_rounding(c);
store_to_memory(control(), a, c, T_DOUBLE, TypeAryPtr::DOUBLES);
store_to_memory(control(), a, c, T_DOUBLE, TypeAryPtr::DOUBLES, MemNode::unordered);
break;
}
case Bytecodes::_getfield: