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#ifndef ROARING_ISADETECTION_H
#define ROARING_ISADETECTION_H
#if defined(__x86_64__) || defined(_M_AMD64) // x64
#ifndef CROARING_COMPILER_SUPPORTS_AVX512
#ifdef __has_include
// We want to make sure that the AVX-512 functions are only built on compilers
// fully supporting AVX-512.
#if __has_include(<avx512vbmi2intrin.h>)
#define CROARING_COMPILER_SUPPORTS_AVX512 1
#endif // #if __has_include(<avx512vbmi2intrin.h>)
#endif // #ifdef __has_include
// Visual Studio 2019 and up support AVX-512
#ifdef _MSC_VER
#if _MSC_VER >= 1920
#define CROARING_COMPILER_SUPPORTS_AVX512 1
#endif // #if _MSC_VER >= 1920
#endif // #ifdef _MSC_VER
#ifndef CROARING_COMPILER_SUPPORTS_AVX512
#define CROARING_COMPILER_SUPPORTS_AVX512 0
#endif // #ifndef CROARING_COMPILER_SUPPORTS_AVX512
#endif // #ifndef CROARING_COMPILER_SUPPORTS_AVX512
#ifdef __cplusplus
extern "C" {
namespace roaring {
namespace internal {
#endif
enum {
ROARING_SUPPORTS_AVX2 = 1,
ROARING_SUPPORTS_AVX512 = 2,
};
int croaring_hardware_support(void);
#ifdef __cplusplus
}
}
} // extern "C" { namespace roaring { namespace internal {
#endif
#endif // x64
#endif // ROARING_ISADETECTION_H
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