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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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53 3, // rdx | 53 3, // rdx |
54 1, // rbx | 54 1, // rbx |
55 -1, // rsp Stack pointer. | 55 -1, // rsp Stack pointer. |
56 -1, // rbp Frame pointer. | 56 -1, // rbp Frame pointer. |
57 -1, // rsi Context. | 57 -1, // rsi Context. |
58 4, // rdi | 58 4, // rdi |
59 5, // r8 | 59 5, // r8 |
60 6, // r9 | 60 6, // r9 |
61 -1, // r10 Scratch register. | 61 -1, // r10 Scratch register. |
62 8, // r11 | 62 8, // r11 |
63 9, // r12 | 63 -1, // r12 Smi constant. |
64 -1, // r13 Roots array. This is callee saved. | 64 -1, // r13 Roots array. This is callee saved. |
65 7, // r14 | 65 7, // r14 |
66 -1 // r15 Smi constant register. | 66 9 // r15 |
67 }; | 67 }; |
68 return kNumbers[reg.code()]; | 68 return kNumbers[reg.code()]; |
69 } | 69 } |
70 | 70 |
71 | 71 |
72 Register RegisterAllocator::ToRegister(int num) { | 72 Register RegisterAllocator::ToRegister(int num) { |
73 ASSERT(num >= 0 && num < kNumRegisters); | 73 ASSERT(num >= 0 && num < kNumRegisters); |
74 const Register kRegisters[] = | 74 const Register kRegisters[] = |
75 { rax, rbx, rcx, rdx, rdi, r8, r9, r14, r11, r12 }; | 75 { rax, rbx, rcx, rdx, rdi, r8, r9, r14, r11, r15 }; |
76 return kRegisters[num]; | 76 return kRegisters[num]; |
77 } | 77 } |
78 | 78 |
79 | 79 |
80 void RegisterAllocator::Initialize() { | 80 void RegisterAllocator::Initialize() { |
81 Reset(); | 81 Reset(); |
82 // The non-reserved rdi register is live on JS function entry. | 82 // The non-reserved rdi register is live on JS function entry. |
83 Use(rdi); // JS function. | 83 Use(rdi); // JS function. |
84 } | 84 } |
85 } } // namespace v8::internal | 85 } } // namespace v8::internal |
86 | 86 |
87 #endif // V8_X64_REGISTER_ALLOCATOR_X64_INL_H_ | 87 #endif // V8_X64_REGISTER_ALLOCATOR_X64_INL_H_ |
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