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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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| 45 namespace v8 { | 45 namespace v8 { |
| 46 namespace internal { | 46 namespace internal { |
| 47 | 47 |
| 48 // ----------------------------------------------------------------------------- | 48 // ----------------------------------------------------------------------------- |
| 49 // Implementation of CpuFeatures | 49 // Implementation of CpuFeatures |
| 50 | 50 |
| 51 void CpuFeatures::ProbeImpl(bool cross_compile) { | 51 void CpuFeatures::ProbeImpl(bool cross_compile) { |
| 52 CPU cpu; | 52 CPU cpu; |
| 53 CHECK(cpu.has_sse2()); // SSE2 support is mandatory. | 53 CHECK(cpu.has_sse2()); // SSE2 support is mandatory. |
| 54 CHECK(cpu.has_cmov()); // CMOV support is mandatory. | 54 CHECK(cpu.has_cmov()); // CMOV support is mandatory. |
| 55 supported_ |= OS::CpuFeaturesImpliedByPlatform(); | |
| 56 | 55 |
| 57 // Only use statically determined features for cross compile (snapshot). | 56 // Only use statically determined features for cross compile (snapshot). |
| 58 if (cross_compile) return; | 57 if (cross_compile) return; |
| 59 | 58 |
| 60 if (cpu.has_sse41() && FLAG_enable_sse4_1) supported_ |= 1u << SSE4_1; | 59 if (cpu.has_sse41() && FLAG_enable_sse4_1) supported_ |= 1u << SSE4_1; |
| 61 if (cpu.has_sse3() && FLAG_enable_sse3) supported_ |= 1u << SSE3; | 60 if (cpu.has_sse3() && FLAG_enable_sse3) supported_ |= 1u << SSE3; |
| 62 } | 61 } |
| 63 | 62 |
| 64 | 63 |
| 65 void CpuFeatures::PrintTarget() { } | 64 void CpuFeatures::PrintTarget() { } |
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| 2637 fprintf(coverage_log, "%s\n", file_line); | 2636 fprintf(coverage_log, "%s\n", file_line); |
| 2638 fflush(coverage_log); | 2637 fflush(coverage_log); |
| 2639 } | 2638 } |
| 2640 } | 2639 } |
| 2641 | 2640 |
| 2642 #endif | 2641 #endif |
| 2643 | 2642 |
| 2644 } } // namespace v8::internal | 2643 } } // namespace v8::internal |
| 2645 | 2644 |
| 2646 #endif // V8_TARGET_ARCH_IA32 | 2645 #endif // V8_TARGET_ARCH_IA32 |
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