| 46 | #elif defined(ARM) |
| 47 | unsigned long b, i; |
| 48 | #endif |
| 49 | |
| 50 | #if defined(X86_64) |
| 51 | if ((feature & CPU_FEATURE_CPU_MASK) != CPU_FEATURE_X86) { return 0; } |
| 52 | #elif defined(ARM) |
| 53 | #else |
| 54 | return 0; |
| 55 | #endif |
| 56 | |
| 57 | feature = static_cast<CPUFeature>(~static_cast<uint32_t>(CPUFeature::CPU_MASK) & static_cast<uint32_t>(feature)); |
| 58 | #if defined(_MSC_VER) |
| 59 | #pragma warning(push) |
| 60 | #pragma warning(disable : 4152) |
| 61 | #endif |
| 62 | #if defined(_MSC_VER) |
| 63 | #pragma warning(pop) |
| 64 | #endif |
| 65 | |
| 66 | #if defined(X86_64) |
| 67 | i = (feature >> 16) & 0xff; |
| 68 | r = (feature >> 8) & 0xff; |
| 69 | b = (feature) & 0xff; |
| 70 | |
| 71 | if (i > 7 || r > 3 || b > 31) { return 0; } |
| 72 | |
| 73 | return (duckdb_cpuinfo[(i * 4) + r] >> b) & 1; |
| 74 | #elif defined(ARM) |
| 75 | b = 1 << ((feature & 0xff) - 1); |
| 76 | i = cpuinfo[(feature >> 0x08) & 0xff]; |
| 77 | return (cpuinfo[(feature >> 0x08) & 0xff] & b) == b; |
| 78 | #endif |
| 79 | } |
| 80 | |
| 81 | CpuInfo::CpuInfo() { Initialize(); } |
| 82 | |
| 83 | const std::vector<CPUFeature>& CpuInfo::GetAvailFeatures() const { return avail_features; } |
| 84 | void CpuInfo::Initialize() { |
| 85 | // to make sure CpuFeatureCheck used at least once |
| 86 | CpuFeatureCheck(CPUFeature::FALLBACK); |
| 87 | best_feature = CPUFeature::FALLBACK; |
no outgoing calls
no test coverage detected