src/share/vm/opto/macro.hpp

changeset 435
a61af66fc99e
child 501
6dbf1a175d6b
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/src/share/vm/opto/macro.hpp	Sat Dec 01 00:00:00 2007 +0000
     1.3 @@ -0,0 +1,107 @@
     1.4 +/*
     1.5 + * Copyright 2005-2006 Sun Microsystems, Inc.  All Rights Reserved.
     1.6 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
     1.7 + *
     1.8 + * This code is free software; you can redistribute it and/or modify it
     1.9 + * under the terms of the GNU General Public License version 2 only, as
    1.10 + * published by the Free Software Foundation.
    1.11 + *
    1.12 + * This code is distributed in the hope that it will be useful, but WITHOUT
    1.13 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
    1.14 + * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
    1.15 + * version 2 for more details (a copy is included in the LICENSE file that
    1.16 + * accompanied this code).
    1.17 + *
    1.18 + * You should have received a copy of the GNU General Public License version
    1.19 + * 2 along with this work; if not, write to the Free Software Foundation,
    1.20 + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
    1.21 + *
    1.22 + * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
    1.23 + * CA 95054 USA or visit www.sun.com if you need additional information or
    1.24 + * have any questions.
    1.25 + *
    1.26 + */
    1.27 +
    1.28 +class  AllocateNode;
    1.29 +class  AllocateArrayNode;
    1.30 +class  CallNode;
    1.31 +class  Node;
    1.32 +class  PhaseIterGVN;
    1.33 +
    1.34 +class PhaseMacroExpand : public Phase {
    1.35 +private:
    1.36 +  PhaseIterGVN &_igvn;
    1.37 +
    1.38 +  // Helper methods roughly modelled after GraphKit:
    1.39 +  Node* top()                   const { return C->top(); }
    1.40 +  Node* intcon(jint con)        const { return _igvn.intcon(con); }
    1.41 +  Node* longcon(jlong con)      const { return _igvn.longcon(con); }
    1.42 +  Node* makecon(const Type *t)  const { return _igvn.makecon(t); }
    1.43 +  Node* basic_plus_adr(Node* base, int offset) {
    1.44 +    return (offset == 0)? base: basic_plus_adr(base, MakeConX(offset));
    1.45 +  }
    1.46 +  Node* basic_plus_adr(Node* base, Node* ptr, int offset) {
    1.47 +    return (offset == 0)? ptr: basic_plus_adr(base, ptr, MakeConX(offset));
    1.48 +  }
    1.49 +  Node* basic_plus_adr(Node* base, Node* offset) {
    1.50 +    return basic_plus_adr(base, base, offset);
    1.51 +  }
    1.52 +  Node* basic_plus_adr(Node* base, Node* ptr, Node* offset) {
    1.53 +    Node* adr = new (C, 4) AddPNode(base, ptr, offset);
    1.54 +    return transform_later(adr);
    1.55 +  }
    1.56 +  Node* transform_later(Node* n) {
    1.57 +    // equivalent to _gvn.transform in GraphKit, Ideal, etc.
    1.58 +    _igvn.register_new_node_with_optimizer(n);
    1.59 +    return n;
    1.60 +  }
    1.61 +  void set_eden_pointers(Node* &eden_top_adr, Node* &eden_end_adr);
    1.62 +  Node* make_load( Node* ctl, Node* mem, Node* base, int offset,
    1.63 +                   const Type* value_type, BasicType bt);
    1.64 +  Node* make_store(Node* ctl, Node* mem, Node* base, int offset,
    1.65 +                   Node* value, BasicType bt);
    1.66 +
    1.67 +  // projections extracted from a call node
    1.68 +  ProjNode *_fallthroughproj;
    1.69 +  ProjNode *_fallthroughcatchproj;
    1.70 +  ProjNode *_ioproj_fallthrough;
    1.71 +  ProjNode *_ioproj_catchall;
    1.72 +  ProjNode *_catchallcatchproj;
    1.73 +  ProjNode *_memproj_fallthrough;
    1.74 +  ProjNode *_memproj_catchall;
    1.75 +  ProjNode *_resproj;
    1.76 +
    1.77 +
    1.78 +  void expand_allocate(AllocateNode *alloc);
    1.79 +  void expand_allocate_array(AllocateArrayNode *alloc);
    1.80 +  void expand_allocate_common(AllocateNode* alloc,
    1.81 +                              Node* length,
    1.82 +                              const TypeFunc* slow_call_type,
    1.83 +                              address slow_call_address);
    1.84 +  void eliminate_locking_node(AbstractLockNode *alock);
    1.85 +  void expand_lock_node(LockNode *lock);
    1.86 +  void expand_unlock_node(UnlockNode *unlock);
    1.87 +
    1.88 +  int replace_input(Node *use, Node *oldref, Node *newref);
    1.89 +  void copy_call_debug_info(CallNode *oldcall, CallNode * newcall);
    1.90 +  Node* opt_iff(Node* region, Node* iff);
    1.91 +  void copy_predefined_input_for_runtime_call(Node * ctrl, CallNode* oldcall, CallNode* call);
    1.92 +  CallNode* make_slow_call(CallNode *oldcall, const TypeFunc* slow_call_type, address slow_call,
    1.93 +                       const char* leaf_name, Node* slow_path, Node* parm0, Node* parm1);
    1.94 +  void extract_call_projections(CallNode *call);
    1.95 +
    1.96 +  Node* initialize_object(AllocateNode* alloc,
    1.97 +                          Node* control, Node* rawmem, Node* object,
    1.98 +                          Node* klass_node, Node* length,
    1.99 +                          Node* size_in_bytes);
   1.100 +
   1.101 +  Node* prefetch_allocation(Node* i_o,
   1.102 +                            Node*& needgc_false, Node*& contended_phi_rawmem,
   1.103 +                            Node* old_eden_top, Node* new_eden_top,
   1.104 +                            Node* length);
   1.105 +
   1.106 +public:
   1.107 +  PhaseMacroExpand(PhaseIterGVN &igvn) : Phase(Macro_Expand), _igvn(igvn) {}
   1.108 +  bool expand_macro_nodes();
   1.109 +
   1.110 +};

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