Mercurial > hg > truffle
annotate src/share/vm/opto/macro.hpp @ 1602:136b78722a08
6939203: JSR 292 needs method handle constants
Summary: Add new CP types CONSTANT_MethodHandle, CONSTANT_MethodType; extend 'ldc' bytecode.
Reviewed-by: twisti, never
author | jrose |
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date | Wed, 09 Jun 2010 18:50:45 -0700 |
parents | c18cbe5936b8 |
children | f95d63e2154a |
rev | line source |
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0 | 1 /* |
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2 * Copyright (c) 2005, 2008, Oracle and/or its affiliates. All rights reserved. |
0 | 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
4 * | |
5 * This code is free software; you can redistribute it and/or modify it | |
6 * under the terms of the GNU General Public License version 2 only, as | |
7 * published by the Free Software Foundation. | |
8 * | |
9 * This code is distributed in the hope that it will be useful, but WITHOUT | |
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
12 * version 2 for more details (a copy is included in the LICENSE file that | |
13 * accompanied this code). | |
14 * | |
15 * You should have received a copy of the GNU General Public License version | |
16 * 2 along with this work; if not, write to the Free Software Foundation, | |
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
18 * | |
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
0 | 22 * |
23 */ | |
24 | |
25 class AllocateNode; | |
26 class AllocateArrayNode; | |
27 class CallNode; | |
28 class Node; | |
29 class PhaseIterGVN; | |
30 | |
31 class PhaseMacroExpand : public Phase { | |
32 private: | |
33 PhaseIterGVN &_igvn; | |
34 | |
35 // Helper methods roughly modelled after GraphKit: | |
36 Node* top() const { return C->top(); } | |
37 Node* intcon(jint con) const { return _igvn.intcon(con); } | |
38 Node* longcon(jlong con) const { return _igvn.longcon(con); } | |
39 Node* makecon(const Type *t) const { return _igvn.makecon(t); } | |
40 Node* basic_plus_adr(Node* base, int offset) { | |
41 return (offset == 0)? base: basic_plus_adr(base, MakeConX(offset)); | |
42 } | |
43 Node* basic_plus_adr(Node* base, Node* ptr, int offset) { | |
44 return (offset == 0)? ptr: basic_plus_adr(base, ptr, MakeConX(offset)); | |
45 } | |
46 Node* basic_plus_adr(Node* base, Node* offset) { | |
47 return basic_plus_adr(base, base, offset); | |
48 } | |
49 Node* basic_plus_adr(Node* base, Node* ptr, Node* offset) { | |
50 Node* adr = new (C, 4) AddPNode(base, ptr, offset); | |
51 return transform_later(adr); | |
52 } | |
53 Node* transform_later(Node* n) { | |
54 // equivalent to _gvn.transform in GraphKit, Ideal, etc. | |
55 _igvn.register_new_node_with_optimizer(n); | |
56 return n; | |
57 } | |
58 void set_eden_pointers(Node* &eden_top_adr, Node* &eden_end_adr); | |
59 Node* make_load( Node* ctl, Node* mem, Node* base, int offset, | |
60 const Type* value_type, BasicType bt); | |
61 Node* make_store(Node* ctl, Node* mem, Node* base, int offset, | |
62 Node* value, BasicType bt); | |
63 | |
64 // projections extracted from a call node | |
65 ProjNode *_fallthroughproj; | |
66 ProjNode *_fallthroughcatchproj; | |
67 ProjNode *_ioproj_fallthrough; | |
68 ProjNode *_ioproj_catchall; | |
69 ProjNode *_catchallcatchproj; | |
70 ProjNode *_memproj_fallthrough; | |
71 ProjNode *_memproj_catchall; | |
72 ProjNode *_resproj; | |
73 | |
74 | |
75 void expand_allocate(AllocateNode *alloc); | |
76 void expand_allocate_array(AllocateArrayNode *alloc); | |
77 void expand_allocate_common(AllocateNode* alloc, | |
78 Node* length, | |
79 const TypeFunc* slow_call_type, | |
80 address slow_call_address); | |
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81 Node *value_from_mem(Node *mem, BasicType ft, const Type *ftype, const TypeOopPtr *adr_t, Node *alloc); |
247 | 82 Node *value_from_mem_phi(Node *mem, BasicType ft, const Type *ftype, const TypeOopPtr *adr_t, Node *alloc, Node_Stack *value_phis, int level); |
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83 |
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84 bool eliminate_allocate_node(AllocateNode *alloc); |
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85 bool can_eliminate_allocation(AllocateNode *alloc, GrowableArray <SafePointNode *>& safepoints); |
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86 bool scalar_replacement(AllocateNode *alloc, GrowableArray <SafePointNode *>& safepoints_done); |
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87 void process_users_of_allocation(AllocateNode *alloc); |
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88 |
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89 void eliminate_card_mark(Node *cm); |
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90 bool eliminate_locking_node(AbstractLockNode *alock); |
0 | 91 void expand_lock_node(LockNode *lock); |
92 void expand_unlock_node(UnlockNode *unlock); | |
93 | |
94 int replace_input(Node *use, Node *oldref, Node *newref); | |
95 void copy_call_debug_info(CallNode *oldcall, CallNode * newcall); | |
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96 Node* opt_bits_test(Node* ctrl, Node* region, int edge, Node* word, int mask, int bits, bool return_fast_path = false); |
0 | 97 void copy_predefined_input_for_runtime_call(Node * ctrl, CallNode* oldcall, CallNode* call); |
98 CallNode* make_slow_call(CallNode *oldcall, const TypeFunc* slow_call_type, address slow_call, | |
99 const char* leaf_name, Node* slow_path, Node* parm0, Node* parm1); | |
100 void extract_call_projections(CallNode *call); | |
101 | |
102 Node* initialize_object(AllocateNode* alloc, | |
103 Node* control, Node* rawmem, Node* object, | |
104 Node* klass_node, Node* length, | |
105 Node* size_in_bytes); | |
106 | |
107 Node* prefetch_allocation(Node* i_o, | |
108 Node*& needgc_false, Node*& contended_phi_rawmem, | |
109 Node* old_eden_top, Node* new_eden_top, | |
110 Node* length); | |
111 | |
112 public: | |
113
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113 PhaseMacroExpand(PhaseIterGVN &igvn) : Phase(Macro_Expand), _igvn(igvn) { |
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114 _igvn.set_delay_transform(true); |
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115 } |
0 | 116 bool expand_macro_nodes(); |
117 | |
118 }; |