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| author | albert <albert@yandex-team.ru> | 2022-02-10 16:48:14 +0300 |
|---|---|---|
| committer | Daniil Cherednik <dcherednik@yandex-team.ru> | 2022-02-10 16:48:14 +0300 |
| commit | 9f25ef3232c288ca664ceee6c376cf64e4349a2e (patch) | |
| tree | b192eaf3150845f7302fafd460a972b0439d6fe5 /util/system/cpu_id.cpp | |
| parent | 6a1e535429145ec1ecfbc5f1efd3c95323261fb5 (diff) | |
| download | ydb-9f25ef3232c288ca664ceee6c376cf64e4349a2e.tar.gz | |
Restoring authorship annotation for <albert@yandex-team.ru>. Commit 1 of 2.
Diffstat (limited to 'util/system/cpu_id.cpp')
| -rw-r--r-- | util/system/cpu_id.cpp | 18 |
1 files changed, 9 insertions, 9 deletions
diff --git a/util/system/cpu_id.cpp b/util/system/cpu_id.cpp index 598c71f4d9..0ae06b2868 100644 --- a/util/system/cpu_id.cpp +++ b/util/system/cpu_id.cpp @@ -60,8 +60,8 @@ bool NX86::CpuId(ui32 op, ui32* res) noexcept { return false; #endif -} - +} + namespace { union TX86CpuInfo { ui32 Info[4]; @@ -80,11 +80,11 @@ namespace { inline TX86CpuInfo(ui32 op, ui32 subOp) noexcept { NX86::CpuId(op, subOp, Info); } - }; + }; static_assert(sizeof(TX86CpuInfo) == 16, "please, fix me"); } - + // https://en.wikipedia.org/wiki/CPUID bool NX86::HaveRDTSCP() noexcept { return (TX86CpuInfo(0x80000001).EDX >> 27) & 1u; @@ -96,8 +96,8 @@ bool NX86::HaveSSE() noexcept { bool NX86::HaveSSE2() noexcept { return (TX86CpuInfo(0x1).EDX >> 26) & 1u; -} - +} + bool NX86::HaveSSE3() noexcept { return TX86CpuInfo(0x1).ECX & 1u; } @@ -116,8 +116,8 @@ bool NX86::HaveSSE41() noexcept { bool NX86::HaveSSE42() noexcept { return (TX86CpuInfo(0x1).ECX >> 20) & 1u; -} - +} + bool NX86::HaveF16C() noexcept { return (TX86CpuInfo(0x1).ECX >> 29) & 1u; } @@ -253,7 +253,7 @@ const char* CpuBrand(ui32* store) noexcept { #endif return (const char*)store; -} +} #define Y_DEF_NAME(X) \ bool NX86::CachedHave##X() noexcept { \ |