ClickHouse/src/Functions/TargetSpecific.cpp
Alexey Milovidov 8100423b7e Style
2020-06-21 21:47:16 +03:00

43 lines
1.0 KiB
C++

#include <Functions/TargetSpecific.h>
#include <Common/CpuId.h>
namespace DB
{
UInt32 getSupportedArchs()
{
UInt32 result = 0;
if (Cpu::CpuFlagsCache::have_SSE42)
result |= static_cast<UInt32>(TargetArch::SSE42);
if (Cpu::CpuFlagsCache::have_AVX)
result |= static_cast<UInt32>(TargetArch::AVX);
if (Cpu::CpuFlagsCache::have_AVX2)
result |= static_cast<UInt32>(TargetArch::AVX2);
if (Cpu::CpuFlagsCache::have_AVX512F)
result |= static_cast<UInt32>(TargetArch::AVX512F);
return result;
}
bool isArchSupported(TargetArch arch)
{
static UInt32 arches = getSupportedArchs();
return arch == TargetArch::Default || (arches & static_cast<UInt32>(arch));
}
String toString(TargetArch arch)
{
switch (arch)
{
case TargetArch::Default: return "default";
case TargetArch::SSE42: return "sse42";
case TargetArch::AVX: return "avx";
case TargetArch::AVX2: return "avx2";
case TargetArch::AVX512F: return "avx512f";
}
__builtin_unreachable();
}
}