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1 // Copyright 2013 the V8 project authors. All rights reserved. | 1 // Copyright 2013 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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50 // There are no optional features for ARM64. | 50 // There are no optional features for ARM64. |
51 return false; | 51 return false; |
52 }; | 52 }; |
53 | 53 |
54 static bool IsFoundByRuntimeProbingOnly(CpuFeature f) { | 54 static bool IsFoundByRuntimeProbingOnly(CpuFeature f) { |
55 ASSERT(initialized_); | 55 ASSERT(initialized_); |
56 // There are no optional features for ARM64. | 56 // There are no optional features for ARM64. |
57 return false; | 57 return false; |
58 } | 58 } |
59 | 59 |
60 static bool IsSafeForSnapshot(CpuFeature f) { | 60 static bool IsSafeForSnapshot(Isolate* isolate, CpuFeature f) { |
61 return (IsSupported(f) && | 61 return (IsSupported(f) && |
62 (!Serializer::enabled() || !IsFoundByRuntimeProbingOnly(f))); | 62 (!Serializer::enabled(isolate) || !IsFoundByRuntimeProbingOnly(f))); |
63 } | 63 } |
64 | 64 |
65 // I and D cache line size in bytes. | 65 // I and D cache line size in bytes. |
66 static unsigned dcache_line_size(); | 66 static unsigned dcache_line_size(); |
67 static unsigned icache_line_size(); | 67 static unsigned icache_line_size(); |
68 | 68 |
69 static unsigned supported_; | 69 static unsigned supported_; |
70 | 70 |
71 static bool VerifyCrossCompiling() { | 71 static bool VerifyCrossCompiling() { |
72 // There are no optional features for ARM64. | 72 // There are no optional features for ARM64. |
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100 | 100 |
101 static unsigned cross_compile_; | 101 static unsigned cross_compile_; |
102 | 102 |
103 friend class PlatformFeatureScope; | 103 friend class PlatformFeatureScope; |
104 DISALLOW_COPY_AND_ASSIGN(CpuFeatures); | 104 DISALLOW_COPY_AND_ASSIGN(CpuFeatures); |
105 }; | 105 }; |
106 | 106 |
107 } } // namespace v8::internal | 107 } } // namespace v8::internal |
108 | 108 |
109 #endif // V8_ARM64_CPU_ARM64_H_ | 109 #endif // V8_ARM64_CPU_ARM64_H_ |
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