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diff src/share/vm/opto/parse2.cpp @ 14429:2113136690bc

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8024921: PPC64 (part 113): Extend Load and Store nodes to know about memory ordering Summary: 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
author goetz
date Fri, 15 Nov 2013 11:05:32 -0800
parents b2ee5dc63353
children abec000618bf
line wrap: on
line diff
--- a/src/share/vm/opto/parse2.cpp	Thu Nov 07 11:47:11 2013 +0100
+++ b/src/share/vm/opto/parse2.cpp	Fri Nov 15 11:05:32 2013 -0800
@@ -50,7 +50,7 @@
   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 @@
   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 @@
     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 @@
     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 @@
     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 @@
     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: