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| 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 |
| 3 // found in the LICENSE file. |
| 4 |
| 5 #ifndef V8_COMPILER_COMMON_NODE_CACHE_H_ |
| 6 #define V8_COMPILER_COMMON_NODE_CACHE_H_ |
| 7 |
| 8 #include "src/assembler.h" |
| 9 #include "src/compiler/node-cache.h" |
| 10 |
| 11 namespace v8 { |
| 12 namespace internal { |
| 13 namespace compiler { |
| 14 |
| 15 // Bundles various caches for common nodes. |
| 16 class CommonNodeCache V8_FINAL : public ZoneObject { |
| 17 public: |
| 18 explicit CommonNodeCache(Zone* zone) : zone_(zone) {} |
| 19 |
| 20 Node** FindInt32Constant(int32_t value) { |
| 21 return int32_constants_.Find(zone_, value); |
| 22 } |
| 23 |
| 24 Node** FindFloat64Constant(double value) { |
| 25 // We canonicalize double constants at the bit representation level. |
| 26 return float64_constants_.Find(zone_, BitCast<int64_t>(value)); |
| 27 } |
| 28 |
| 29 Node** FindExternalConstant(ExternalReference reference) { |
| 30 return external_constants_.Find(zone_, reference.address()); |
| 31 } |
| 32 |
| 33 Node** FindNumberConstant(double value) { |
| 34 // We canonicalize double constants at the bit representation level. |
| 35 return number_constants_.Find(zone_, BitCast<int64_t>(value)); |
| 36 } |
| 37 |
| 38 Zone* zone() const { return zone_; } |
| 39 |
| 40 private: |
| 41 Int32NodeCache int32_constants_; |
| 42 Int64NodeCache float64_constants_; |
| 43 PtrNodeCache external_constants_; |
| 44 Int64NodeCache number_constants_; |
| 45 Zone* zone_; |
| 46 }; |
| 47 } |
| 48 } |
| 49 } // namespace v8::internal::compiler |
| 50 |
| 51 #endif // V8_COMPILER_COMMON_NODE_CACHE_H_ |
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