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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_COMMON_NODE_CACHE_H_ | 5 #ifndef V8_COMPILER_COMMON_NODE_CACHE_H_ |
6 #define V8_COMPILER_COMMON_NODE_CACHE_H_ | 6 #define V8_COMPILER_COMMON_NODE_CACHE_H_ |
7 | 7 |
8 #include "src/assembler.h" | 8 #include "src/assembler.h" |
9 #include "src/compiler/node-cache.h" | 9 #include "src/compiler/node-cache.h" |
10 | 10 |
11 namespace v8 { | 11 namespace v8 { |
12 namespace internal { | 12 namespace internal { |
13 namespace compiler { | 13 namespace compiler { |
14 | 14 |
15 // Bundles various caches for common nodes. | 15 // Bundles various caches for common nodes. |
16 class CommonNodeCache FINAL : public ZoneObject { | 16 class CommonNodeCache FINAL : public ZoneObject { |
17 public: | 17 public: |
18 explicit CommonNodeCache(Zone* zone) : zone_(zone) {} | 18 explicit CommonNodeCache(Zone* zone) : zone_(zone) {} |
19 | 19 |
20 Node** FindInt32Constant(int32_t value) { | 20 Node** FindInt32Constant(int32_t value) { |
21 return int32_constants_.Find(zone_, value); | 21 return int32_constants_.Find(zone_, value); |
22 } | 22 } |
23 | 23 |
24 Node** FindFloat64Constant(double value) { | 24 Node** FindFloat64Constant(double value) { |
25 // We canonicalize double constants at the bit representation level. | 25 // We canonicalize double constants at the bit representation level. |
26 return float64_constants_.Find(zone_, BitCast<int64_t>(value)); | 26 return float64_constants_.Find(zone_, bit_cast<int64_t>(value)); |
27 } | 27 } |
28 | 28 |
29 Node** FindExternalConstant(ExternalReference reference) { | 29 Node** FindExternalConstant(ExternalReference reference) { |
30 return external_constants_.Find(zone_, reference.address()); | 30 return external_constants_.Find(zone_, reference.address()); |
31 } | 31 } |
32 | 32 |
33 Node** FindNumberConstant(double value) { | 33 Node** FindNumberConstant(double value) { |
34 // We canonicalize double constants at the bit representation level. | 34 // We canonicalize double constants at the bit representation level. |
35 return number_constants_.Find(zone_, BitCast<int64_t>(value)); | 35 return number_constants_.Find(zone_, bit_cast<int64_t>(value)); |
36 } | 36 } |
37 | 37 |
38 Zone* zone() const { return zone_; } | 38 Zone* zone() const { return zone_; } |
39 | 39 |
40 private: | 40 private: |
41 Int32NodeCache int32_constants_; | 41 Int32NodeCache int32_constants_; |
42 Int64NodeCache float64_constants_; | 42 Int64NodeCache float64_constants_; |
43 PtrNodeCache external_constants_; | 43 PtrNodeCache external_constants_; |
44 Int64NodeCache number_constants_; | 44 Int64NodeCache number_constants_; |
45 Zone* zone_; | 45 Zone* zone_; |
46 }; | 46 }; |
47 } | 47 } |
48 } | 48 } |
49 } // namespace v8::internal::compiler | 49 } // namespace v8::internal::compiler |
50 | 50 |
51 #endif // V8_COMPILER_COMMON_NODE_CACHE_H_ | 51 #endif // V8_COMPILER_COMMON_NODE_CACHE_H_ |
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