OLD | NEW |
| (Empty) |
1 // Copyright 2011 the V8 project authors. All rights reserved. | |
2 // Use of this source code is governed by a BSD-style license that can be | |
3 // found in the LICENSE file. | |
4 | |
5 #ifndef V8_X64_LITHIUM_GAP_RESOLVER_X64_H_ | |
6 #define V8_X64_LITHIUM_GAP_RESOLVER_X64_H_ | |
7 | |
8 #include "src/lithium.h" | |
9 | |
10 namespace v8 { | |
11 namespace internal { | |
12 | |
13 class LCodeGen; | |
14 class LGapResolver; | |
15 | |
16 class LGapResolver final BASE_EMBEDDED { | |
17 public: | |
18 explicit LGapResolver(LCodeGen* owner); | |
19 | |
20 // Resolve a set of parallel moves, emitting assembler instructions. | |
21 void Resolve(LParallelMove* parallel_move); | |
22 | |
23 private: | |
24 // Build the initial list of moves. | |
25 void BuildInitialMoveList(LParallelMove* parallel_move); | |
26 | |
27 // Perform the move at the moves_ index in question (possibly requiring | |
28 // other moves to satisfy dependencies). | |
29 void PerformMove(int index); | |
30 | |
31 // Emit a move and remove it from the move graph. | |
32 void EmitMove(int index); | |
33 | |
34 // Execute a move by emitting a swap of two operands. The move from | |
35 // source to destination is removed from the move graph. | |
36 void EmitSwap(int index); | |
37 | |
38 // Verify the move list before performing moves. | |
39 void Verify(); | |
40 | |
41 LCodeGen* cgen_; | |
42 | |
43 // List of moves not yet resolved. | |
44 ZoneList<LMoveOperands> moves_; | |
45 }; | |
46 | |
47 } // namespace internal | |
48 } // namespace v8 | |
49 | |
50 #endif // V8_X64_LITHIUM_GAP_RESOLVER_X64_H_ | |
OLD | NEW |