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| 1 // Copyright (c) 1994-2006 Sun Microsystems Inc. | 1 // Copyright (c) 1994-2006 Sun Microsystems Inc. |
| 2 // All Rights Reserved. | 2 // All Rights Reserved. |
| 3 // | 3 // |
| 4 // Redistribution and use in source and binary forms, with or without | 4 // Redistribution and use in source and binary forms, with or without |
| 5 // modification, are permitted provided that the following conditions | 5 // modification, are permitted provided that the following conditions |
| 6 // are met: | 6 // are met: |
| 7 // | 7 // |
| 8 // - Redistributions of source code must retain the above copyright notice, | 8 // - Redistributions of source code must retain the above copyright notice, |
| 9 // this list of conditions and the following disclaimer. | 9 // this list of conditions and the following disclaimer. |
| 10 // | 10 // |
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| 63 | 63 |
| 64 // Display features. | 64 // Display features. |
| 65 static void PrintFeatures(); | 65 static void PrintFeatures(); |
| 66 | 66 |
| 67 // Check whether a feature is supported by the target CPU. | 67 // Check whether a feature is supported by the target CPU. |
| 68 static bool IsSupported(CpuFeature f) { | 68 static bool IsSupported(CpuFeature f) { |
| 69 ASSERT(initialized_); | 69 ASSERT(initialized_); |
| 70 return Check(f, supported_); | 70 return Check(f, supported_); |
| 71 } | 71 } |
| 72 | 72 |
| 73 static bool IsFoundByRuntimeProbingOnly(CpuFeature f) { | |
| 74 ASSERT(initialized_); | |
| 75 return Check(f, found_by_runtime_probing_only_); | |
| 76 } | |
| 77 | |
| 78 static bool IsSafeForSnapshot(Isolate* isolate, CpuFeature f) { | 73 static bool IsSafeForSnapshot(Isolate* isolate, CpuFeature f) { |
| 79 return Check(f, cross_compile_) || | 74 return Check(f, cross_compile_) || |
| 80 (IsSupported(f) && | 75 (IsSupported(f) && |
| 81 (!Serializer::enabled(isolate) || !IsFoundByRuntimeProbingOnly(f))); | 76 !(Serializer::enabled(isolate) && |
| 77 Check(f, found_by_runtime_probing_only_))); |
| 82 } | 78 } |
| 83 | 79 |
| 84 static unsigned cache_line_size() { return cache_line_size_; } | 80 static unsigned cache_line_size() { return cache_line_size_; } |
| 85 | 81 |
| 86 static bool VerifyCrossCompiling() { | 82 static bool VerifyCrossCompiling() { |
| 87 return cross_compile_ == 0; | 83 return cross_compile_ == 0; |
| 88 } | 84 } |
| 89 | 85 |
| 90 static bool VerifyCrossCompiling(CpuFeature f) { | 86 static bool VerifyCrossCompiling(CpuFeature f) { |
| 91 unsigned mask = flag2set(f); | 87 unsigned mask = flag2set(f); |
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| 1696 public: | 1692 public: |
| 1697 explicit EnsureSpace(Assembler* assembler) { | 1693 explicit EnsureSpace(Assembler* assembler) { |
| 1698 assembler->CheckBuffer(); | 1694 assembler->CheckBuffer(); |
| 1699 } | 1695 } |
| 1700 }; | 1696 }; |
| 1701 | 1697 |
| 1702 | 1698 |
| 1703 } } // namespace v8::internal | 1699 } } // namespace v8::internal |
| 1704 | 1700 |
| 1705 #endif // V8_ARM_ASSEMBLER_ARM_H_ | 1701 #endif // V8_ARM_ASSEMBLER_ARM_H_ |
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