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Side by Side Diff: src/x64/register-allocator-x64.h

Issue 125131: X64 platform: Add more register allocator functions. (Closed) Base URL: http://v8.googlecode.com/svn/branches/bleeding_edge/
Patch Set: '' Created 11 years, 6 months ago
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1 // Copyright 2009 the V8 project authors. All rights reserved. 1 // Copyright 2009 the V8 project authors. All rights reserved.
2 // Redistribution and use in source and binary forms, with or without 2 // Redistribution and use in source and binary forms, with or without
3 // modification, are permitted provided that the following conditions are 3 // modification, are permitted provided that the following conditions are
4 // met: 4 // met:
5 // 5 //
6 // * Redistributions of source code must retain the above copyright 6 // * Redistributions of source code must retain the above copyright
7 // notice, this list of conditions and the following disclaimer. 7 // notice, this list of conditions and the following disclaimer.
8 // * Redistributions in binary form must reproduce the above 8 // * Redistributions in binary form must reproduce the above
9 // copyright notice, this list of conditions and the following 9 // copyright notice, this list of conditions and the following
10 // disclaimer in the documentation and/or other materials provided 10 // disclaimer in the documentation and/or other materials provided
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28 #ifndef V8_X64_REGISTER_ALLOCATOR_X64_H_ 28 #ifndef V8_X64_REGISTER_ALLOCATOR_X64_H_
29 #define V8_X64_REGISTER_ALLOCATOR_X64_H_ 29 #define V8_X64_REGISTER_ALLOCATOR_X64_H_
30 30
31 namespace v8 { 31 namespace v8 {
32 namespace internal { 32 namespace internal {
33 33
34 class RegisterAllocatorConstants : public AllStatic { 34 class RegisterAllocatorConstants : public AllStatic {
35 public: 35 public:
36 // Register allocation is not yet implemented on x64, but C++ 36 // Register allocation is not yet implemented on x64, but C++
37 // forbids 0-length arrays so we use 1 as the number of registers. 37 // forbids 0-length arrays so we use 1 as the number of registers.
38 static const int kNumRegisters = 16; 38 static const int kNumRegisters = 12;
39 static const int kInvalidRegister = -1; 39 static const int kInvalidRegister = -1;
40 }; 40 };
41 41
42 42
43 } } // namespace v8::internal 43 } } // namespace v8::internal
44 44
45 #endif // V8_X64_REGISTER_ALLOCATOR_X64_H_ 45 #endif // V8_X64_REGISTER_ALLOCATOR_X64_H_
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