| // Copyright 2018 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_CODEGEN_X64_CONSTANTS_X64_H_ |
| #define V8_CODEGEN_X64_CONSTANTS_X64_H_ |
| |
| #include "src/common/globals.h" |
| |
| namespace v8 { |
| namespace internal { |
| // Actual value of root register is offset from the root array's start |
| // to take advantage of negative displacement values. |
| // TODO(sigurds): Choose best value. |
| // TODO(ishell): Choose best value for ptr-compr. |
| constexpr int kRootRegisterBias = kSystemPointerSize == kTaggedSize ? 128 : 0; |
| |
| constexpr size_t kMaxPCRelativeCodeRangeInMB = 2048; |
| } // namespace internal |
| } // namespace v8 |
| |
| #endif // V8_CODEGEN_X64_CONSTANTS_X64_H_ |
