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1 // Copyright 2011 the V8 project authors. All rights reserved. | 1 // Copyright 2011 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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35 | 35 |
36 #if defined(V8_TARGET_ARCH_X64) | 36 #if defined(V8_TARGET_ARCH_X64) |
37 | 37 |
38 #include "cpu.h" | 38 #include "cpu.h" |
39 #include "macro-assembler.h" | 39 #include "macro-assembler.h" |
40 | 40 |
41 namespace v8 { | 41 namespace v8 { |
42 namespace internal { | 42 namespace internal { |
43 | 43 |
44 void CPU::Setup() { | 44 void CPU::Setup() { |
45 CpuFeatures::Probe(true); | 45 Isolate::Current()->cpu_features()->Probe(true); |
46 if (Serializer::enabled()) { | 46 if (Serializer::enabled()) { |
47 V8::DisableCrankshaft(); | 47 V8::DisableCrankshaft(); |
48 } | 48 } |
49 } | 49 } |
50 | 50 |
51 | 51 |
52 void CPU::FlushICache(void* start, size_t size) { | 52 void CPU::FlushICache(void* start, size_t size) { |
53 // No need to flush the instruction cache on Intel. On Intel instruction | 53 // No need to flush the instruction cache on Intel. On Intel instruction |
54 // cache flushing is only necessary when multiple cores running the same | 54 // cache flushing is only necessary when multiple cores running the same |
55 // code simultaneously. V8 (and JavaScript) is single threaded and when code | 55 // code simultaneously. V8 (and JavaScript) is single threaded and when code |
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77 // __asm { int 3 } | 77 // __asm { int 3 } |
78 __debugbreak(); | 78 __debugbreak(); |
79 #else | 79 #else |
80 asm("int $3"); | 80 asm("int $3"); |
81 #endif | 81 #endif |
82 } | 82 } |
83 | 83 |
84 } } // namespace v8::internal | 84 } } // namespace v8::internal |
85 | 85 |
86 #endif // V8_TARGET_ARCH_X64 | 86 #endif // V8_TARGET_ARCH_X64 |
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