macro.hpp revision 66
0N/A/*
0N/A * Copyright 2005-2006 Sun Microsystems, Inc. All Rights Reserved.
0N/A * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
0N/A *
0N/A * This code is free software; you can redistribute it and/or modify it
0N/A * under the terms of the GNU General Public License version 2 only, as
0N/A * published by the Free Software Foundation.
0N/A *
0N/A * This code is distributed in the hope that it will be useful, but WITHOUT
0N/A * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
0N/A * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
0N/A * version 2 for more details (a copy is included in the LICENSE file that
0N/A * accompanied this code).
0N/A *
0N/A * You should have received a copy of the GNU General Public License version
0N/A * 2 along with this work; if not, write to the Free Software Foundation,
0N/A * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
0N/A *
0N/A * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
0N/A * CA 95054 USA or visit www.sun.com if you need additional information or
0N/A * have any questions.
0N/A *
0N/A */
0N/A
0N/Aclass AllocateNode;
0N/Aclass AllocateArrayNode;
0N/Aclass CallNode;
0N/Aclass Node;
0N/Aclass PhaseIterGVN;
0N/A
0N/Aclass PhaseMacroExpand : public Phase {
0N/Aprivate:
0N/A PhaseIterGVN &_igvn;
0N/A
0N/A // Helper methods roughly modelled after GraphKit:
0N/A Node* top() const { return C->top(); }
0N/A Node* intcon(jint con) const { return _igvn.intcon(con); }
0N/A Node* longcon(jlong con) const { return _igvn.longcon(con); }
0N/A Node* makecon(const Type *t) const { return _igvn.makecon(t); }
0N/A Node* basic_plus_adr(Node* base, int offset) {
return (offset == 0)? base: basic_plus_adr(base, MakeConX(offset));
}
Node* basic_plus_adr(Node* base, Node* ptr, int offset) {
return (offset == 0)? ptr: basic_plus_adr(base, ptr, MakeConX(offset));
}
Node* basic_plus_adr(Node* base, Node* offset) {
return basic_plus_adr(base, base, offset);
}
Node* basic_plus_adr(Node* base, Node* ptr, Node* offset) {
Node* adr = new (C, 4) AddPNode(base, ptr, offset);
return transform_later(adr);
}
Node* transform_later(Node* n) {
// equivalent to _gvn.transform in GraphKit, Ideal, etc.
_igvn.register_new_node_with_optimizer(n);
return n;
}
void set_eden_pointers(Node* &eden_top_adr, Node* &eden_end_adr);
Node* make_load( Node* ctl, Node* mem, Node* base, int offset,
const Type* value_type, BasicType bt);
Node* make_store(Node* ctl, Node* mem, Node* base, int offset,
Node* value, BasicType bt);
// projections extracted from a call node
ProjNode *_fallthroughproj;
ProjNode *_fallthroughcatchproj;
ProjNode *_ioproj_fallthrough;
ProjNode *_ioproj_catchall;
ProjNode *_catchallcatchproj;
ProjNode *_memproj_fallthrough;
ProjNode *_memproj_catchall;
ProjNode *_resproj;
void expand_allocate(AllocateNode *alloc);
void expand_allocate_array(AllocateArrayNode *alloc);
void expand_allocate_common(AllocateNode* alloc,
Node* length,
const TypeFunc* slow_call_type,
address slow_call_address);
bool eliminate_locking_node(AbstractLockNode *alock);
void expand_lock_node(LockNode *lock);
void expand_unlock_node(UnlockNode *unlock);
int replace_input(Node *use, Node *oldref, Node *newref);
void copy_call_debug_info(CallNode *oldcall, CallNode * newcall);
Node* opt_iff(Node* region, Node* iff);
void copy_predefined_input_for_runtime_call(Node * ctrl, CallNode* oldcall, CallNode* call);
CallNode* make_slow_call(CallNode *oldcall, const TypeFunc* slow_call_type, address slow_call,
const char* leaf_name, Node* slow_path, Node* parm0, Node* parm1);
void extract_call_projections(CallNode *call);
Node* initialize_object(AllocateNode* alloc,
Node* control, Node* rawmem, Node* object,
Node* klass_node, Node* length,
Node* size_in_bytes);
Node* prefetch_allocation(Node* i_o,
Node*& needgc_false, Node*& contended_phi_rawmem,
Node* old_eden_top, Node* new_eden_top,
Node* length);
public:
PhaseMacroExpand(PhaseIterGVN &igvn) : Phase(Macro_Expand), _igvn(igvn) {}
bool expand_macro_nodes();
};