420 public:
421 SafePointScalarObjectNode(const TypeOopPtr* tp,
422 #ifdef ASSERT
423 AllocateNode* alloc,
424 #endif
425 uint first_index, uint n_fields);
426 virtual int Opcode() const;
427 virtual uint ideal_reg() const;
428 virtual const RegMask &in_RegMask(uint) const;
429 virtual const RegMask &out_RegMask() const;
430 virtual uint match_edge(uint idx) const;
431
432 uint first_index() const { return _first_index; }
433 uint n_fields() const { return _n_fields; }
434 DEBUG_ONLY(AllocateNode* alloc() const { return _alloc; })
435
436 // SafePointScalarObject should be always pinned to the control edge
437 // of the SafePoint node for which it was generated.
438 virtual bool pinned() const; // { return true; }
439
440 virtual uint size_of() const { return sizeof(*this); }
441
442 // Assumes that "this" is an argument to a safepoint node "s", and that
443 // "new_call" is being created to correspond to "s". But the difference
444 // between the start index of the jvmstates of "new_call" and "s" is
445 // "jvms_adj". Produce and return a SafePointScalarObjectNode that
446 // corresponds appropriately to "this" in "new_call". Assumes that
447 // "sosn_map" is a map, specific to the translation of "s" to "new_call",
448 // mapping old SafePointScalarObjectNodes to new, to avoid multiple copies.
449 SafePointScalarObjectNode* clone(int jvms_adj, Dict* sosn_map) const;
450
451 #ifndef PRODUCT
452 virtual void dump_spec(outputStream *st) const;
453 #endif
454 };
455
456 //------------------------------CallNode---------------------------------------
457 // Call nodes now subsume the function of debug nodes at callsites, so they
458 // contain the functionality of a full scope chain of debug nodes.
459 class CallNode : public SafePointNode {
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420 public:
421 SafePointScalarObjectNode(const TypeOopPtr* tp,
422 #ifdef ASSERT
423 AllocateNode* alloc,
424 #endif
425 uint first_index, uint n_fields);
426 virtual int Opcode() const;
427 virtual uint ideal_reg() const;
428 virtual const RegMask &in_RegMask(uint) const;
429 virtual const RegMask &out_RegMask() const;
430 virtual uint match_edge(uint idx) const;
431
432 uint first_index() const { return _first_index; }
433 uint n_fields() const { return _n_fields; }
434 DEBUG_ONLY(AllocateNode* alloc() const { return _alloc; })
435
436 // SafePointScalarObject should be always pinned to the control edge
437 // of the SafePoint node for which it was generated.
438 virtual bool pinned() const; // { return true; }
439
440 // SafePointScalarObject depends on the SafePoint node
441 // for which it was generated.
442 virtual bool depends_only_on_test() const; // { return false; }
443
444 virtual uint size_of() const { return sizeof(*this); }
445
446 // Assumes that "this" is an argument to a safepoint node "s", and that
447 // "new_call" is being created to correspond to "s". But the difference
448 // between the start index of the jvmstates of "new_call" and "s" is
449 // "jvms_adj". Produce and return a SafePointScalarObjectNode that
450 // corresponds appropriately to "this" in "new_call". Assumes that
451 // "sosn_map" is a map, specific to the translation of "s" to "new_call",
452 // mapping old SafePointScalarObjectNodes to new, to avoid multiple copies.
453 SafePointScalarObjectNode* clone(int jvms_adj, Dict* sosn_map) const;
454
455 #ifndef PRODUCT
456 virtual void dump_spec(outputStream *st) const;
457 #endif
458 };
459
460 //------------------------------CallNode---------------------------------------
461 // Call nodes now subsume the function of debug nodes at callsites, so they
462 // contain the functionality of a full scope chain of debug nodes.
463 class CallNode : public SafePointNode {
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