361 int adr_idx,
362 bool require_atomic_access) {
363 assert(adr_idx != Compile::AliasIdxTop, "use other store_to_memory factory" );
364 const TypePtr* adr_type = NULL;
365 debug_only(adr_type = C->get_adr_type(adr_idx));
366 Node *mem = memory(adr_idx);
367 Node* st;
368 if (require_atomic_access && bt == T_LONG) {
369 st = StoreLNode::make_atomic(C, ctl, mem, adr, adr_type, val);
370 } else {
371 st = StoreNode::make(_gvn, ctl, mem, adr, adr_type, val, bt);
372 }
373 st = transform(st);
374 set_memory(st, adr_idx);
375
376 return st;
377 }
378
379 // Card mark store. Must be ordered so that it will come after the store of
380 // the oop.
381 Node* IdealKit::storeCM(Node* ctl, Node* adr, Node *val, Node* oop_store,
382 BasicType bt,
383 int adr_idx) {
384 assert(adr_idx != Compile::AliasIdxTop, "use other store_to_memory factory" );
385 const TypePtr* adr_type = NULL;
386 debug_only(adr_type = C->get_adr_type(adr_idx));
387 Node *mem = memory(adr_idx);
388
389 // Add required edge to oop_store, optimizer does not support precedence edges.
390 // Convert required edge to precedence edge before allocation.
391 Node* st = new (C, 5) StoreCMNode(ctl, mem, adr, adr_type, val, oop_store);
392
393 st = transform(st);
394 set_memory(st, adr_idx);
395
396 return st;
397 }
398
399 //---------------------------- do_memory_merge --------------------------------
400 // The memory from one merging cvstate needs to be merged with the memory for another
401 // join cvstate. If the join cvstate doesn't have a merged memory yet then we
402 // can just copy the state from the merging cvstate
403
404 // Merge one slow path into the rest of memory.
405 void IdealKit::do_memory_merge(Node* merging, Node* join) {
406
407 // Get the region for the join state
408 Node* join_region = join->in(TypeFunc::Control);
409 assert(join_region != NULL, "join region must exist");
410 if (join->in(TypeFunc::Memory) == NULL ) {
411 join->set_req(TypeFunc::Memory, merging->in(TypeFunc::Memory));
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361 int adr_idx,
362 bool require_atomic_access) {
363 assert(adr_idx != Compile::AliasIdxTop, "use other store_to_memory factory" );
364 const TypePtr* adr_type = NULL;
365 debug_only(adr_type = C->get_adr_type(adr_idx));
366 Node *mem = memory(adr_idx);
367 Node* st;
368 if (require_atomic_access && bt == T_LONG) {
369 st = StoreLNode::make_atomic(C, ctl, mem, adr, adr_type, val);
370 } else {
371 st = StoreNode::make(_gvn, ctl, mem, adr, adr_type, val, bt);
372 }
373 st = transform(st);
374 set_memory(st, adr_idx);
375
376 return st;
377 }
378
379 // Card mark store. Must be ordered so that it will come after the store of
380 // the oop.
381 Node* IdealKit::storeCM(Node* ctl, Node* adr, Node *val, Node* oop_store, int oop_adr_idx,
382 BasicType bt,
383 int adr_idx) {
384 assert(adr_idx != Compile::AliasIdxTop, "use other store_to_memory factory" );
385 const TypePtr* adr_type = NULL;
386 debug_only(adr_type = C->get_adr_type(adr_idx));
387 Node *mem = memory(adr_idx);
388
389 // Add required edge to oop_store, optimizer does not support precedence edges.
390 // Convert required edge to precedence edge before allocation.
391 Node* st = new (C, 5) StoreCMNode(ctl, mem, adr, adr_type, val, oop_store, oop_adr_idx);
392
393 st = transform(st);
394 set_memory(st, adr_idx);
395
396 return st;
397 }
398
399 //---------------------------- do_memory_merge --------------------------------
400 // The memory from one merging cvstate needs to be merged with the memory for another
401 // join cvstate. If the join cvstate doesn't have a merged memory yet then we
402 // can just copy the state from the merging cvstate
403
404 // Merge one slow path into the rest of memory.
405 void IdealKit::do_memory_merge(Node* merging, Node* join) {
406
407 // Get the region for the join state
408 Node* join_region = join->in(TypeFunc::Control);
409 assert(join_region != NULL, "join region must exist");
410 if (join->in(TypeFunc::Memory) == NULL ) {
411 join->set_req(TypeFunc::Memory, merging->in(TypeFunc::Memory));
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