OLD | NEW |
1 // Copyright 2014 the V8 project authors. All rights reserved. | 1 // Copyright 2014 the V8 project authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef V8_COMPILER_GAP_RESOLVER_H_ | 5 #ifndef V8_COMPILER_GAP_RESOLVER_H_ |
6 #define V8_COMPILER_GAP_RESOLVER_H_ | 6 #define V8_COMPILER_GAP_RESOLVER_H_ |
7 | 7 |
8 #include "src/compiler/instruction.h" | 8 #include "src/compiler/instruction.h" |
9 | 9 |
10 namespace v8 { | 10 namespace v8 { |
(...skipping 13 matching lines...) Expand all Loading... |
24 // Assemble swap. | 24 // Assemble swap. |
25 virtual void AssembleSwap(InstructionOperand* source, | 25 virtual void AssembleSwap(InstructionOperand* source, |
26 InstructionOperand* destination) = 0; | 26 InstructionOperand* destination) = 0; |
27 }; | 27 }; |
28 | 28 |
29 explicit GapResolver(Assembler* assembler) : assembler_(assembler) {} | 29 explicit GapResolver(Assembler* assembler) : assembler_(assembler) {} |
30 | 30 |
31 // Resolve a set of parallel moves, emitting assembler instructions. | 31 // Resolve a set of parallel moves, emitting assembler instructions. |
32 void Resolve(ParallelMove* parallel_move) const; | 32 void Resolve(ParallelMove* parallel_move) const; |
33 | 33 |
| 34 enum PushTypeFlag { |
| 35 kImmediatePush = 0x1, |
| 36 kScalarPush = 0x2, |
| 37 kFloat32Push = 0x4, |
| 38 kFloat64Push = 0x8, |
| 39 kFloatPush = kFloat32Push | kFloat64Push |
| 40 }; |
| 41 |
| 42 typedef base::Flags<PushTypeFlag> PushTypeFlags; |
| 43 |
| 44 // Generate a list moves from an instruction that are candidates to be turned |
| 45 // into push instructions on platforms that support them. |
| 46 static void GetPushCompatibleMoves(Zone* zone, Instruction* instr, |
| 47 PushTypeFlags push_type, |
| 48 ZoneVector<MoveOperands*>* pushes); |
| 49 |
34 private: | 50 private: |
35 // Perform the given move, possibly requiring other moves to satisfy | 51 // Perform the given move, possibly requiring other moves to satisfy |
36 // dependencies. | 52 // dependencies. |
37 void PerformMove(ParallelMove* moves, MoveOperands* move) const; | 53 void PerformMove(ParallelMove* moves, MoveOperands* move) const; |
38 | 54 |
39 // Assembler used to emit moves and save registers. | 55 // Assembler used to emit moves and save registers. |
40 Assembler* const assembler_; | 56 Assembler* const assembler_; |
41 }; | 57 }; |
42 | 58 |
43 } // namespace compiler | 59 } // namespace compiler |
44 } // namespace internal | 60 } // namespace internal |
45 } // namespace v8 | 61 } // namespace v8 |
46 | 62 |
47 #endif // V8_COMPILER_GAP_RESOLVER_H_ | 63 #endif // V8_COMPILER_GAP_RESOLVER_H_ |
OLD | NEW |