| // Copyright 2014 the V8 project authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef V8_COMPILER_COMMON_NODE_CACHE_H_ |
| #define V8_COMPILER_COMMON_NODE_CACHE_H_ |
| |
| #include "src/assembler.h" |
| #include "src/compiler/node-cache.h" |
| |
| namespace v8 { |
| namespace internal { |
| namespace compiler { |
| |
| // Bundles various caches for common nodes. |
| class CommonNodeCache V8_FINAL : public ZoneObject { |
| public: |
| explicit CommonNodeCache(Zone* zone) : zone_(zone) {} |
| |
| Node** FindInt32Constant(int32_t value) { |
| return int32_constants_.Find(zone_, value); |
| } |
| |
| Node** FindFloat64Constant(double value) { |
| // We canonicalize double constants at the bit representation level. |
| return float64_constants_.Find(zone_, BitCast<int64_t>(value)); |
| } |
| |
| Node** FindExternalConstant(ExternalReference reference) { |
| return external_constants_.Find(zone_, reference.address()); |
| } |
| |
| Node** FindNumberConstant(double value) { |
| // We canonicalize double constants at the bit representation level. |
| return number_constants_.Find(zone_, BitCast<int64_t>(value)); |
| } |
| |
| Zone* zone() const { return zone_; } |
| |
| private: |
| Int32NodeCache int32_constants_; |
| Int64NodeCache float64_constants_; |
| PtrNodeCache external_constants_; |
| Int64NodeCache number_constants_; |
| Zone* zone_; |
| }; |
| } |
| } |
| } // namespace v8::internal::compiler |
| |
| #endif // V8_COMPILER_COMMON_NODE_CACHE_H_ |