1b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch// Copyright 2014 the V8 project authors. All rights reserved. 2b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch// Use of this source code is governed by a BSD-style license that can be 3b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch// found in the LICENSE file. 4b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch 5b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch#ifndef V8_COMPILER_COMMON_NODE_CACHE_H_ 6b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch#define V8_COMPILER_COMMON_NODE_CACHE_H_ 7b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch 8b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch#include "src/assembler.h" 9b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch#include "src/compiler/node-cache.h" 10b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch 11b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdochnamespace v8 { 12b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdochnamespace internal { 13b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdochnamespace compiler { 14b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch 15b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch// Bundles various caches for common nodes. 16b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdochclass CommonNodeCache FINAL : public ZoneObject { 17b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch public: 18b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch explicit CommonNodeCache(Zone* zone) : zone_(zone) {} 19b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch 20b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch Node** FindInt32Constant(int32_t value) { 21b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch return int32_constants_.Find(zone_, value); 22b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch } 23b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch 24b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch Node** FindFloat64Constant(double value) { 25b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch // We canonicalize double constants at the bit representation level. 26b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch return float64_constants_.Find(zone_, bit_cast<int64_t>(value)); 27b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch } 28b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch 29b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch Node** FindExternalConstant(ExternalReference reference) { 30b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch return external_constants_.Find(zone_, reference.address()); 31b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch } 32b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch 33b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch Node** FindNumberConstant(double value) { 34b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch // We canonicalize double constants at the bit representation level. 35b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch return number_constants_.Find(zone_, bit_cast<int64_t>(value)); 36b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch } 37b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch 38b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch Zone* zone() const { return zone_; } 39b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch 40b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch private: 41b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch Int32NodeCache int32_constants_; 42b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch Int64NodeCache float64_constants_; 43b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch PtrNodeCache external_constants_; 44b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch Int64NodeCache number_constants_; 45b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch Zone* zone_; 46b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch}; 47b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch} 48b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch} 49b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch} // namespace v8::internal::compiler 50b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch 51b8a8cc1952d61a2f3a2568848933943a543b5d3eBen Murdoch#endif // V8_COMPILER_COMMON_NODE_CACHE_H_ 52