36 lines
760 B
C++
36 lines
760 B
C++
#ifndef LUPPP_DENORMALS_H
|
|
#define LUPPP_DENORMALS_H
|
|
|
|
#include <iostream>
|
|
|
|
#include "debug.hxx"
|
|
|
|
#ifdef __SSE__
|
|
/* On Intel set FZ (Flush to Zero) and DAZ (Denormals Are Zero)
|
|
flags to avoid costly denormals */
|
|
#ifdef __SSE3__
|
|
#include <pmmintrin.h>
|
|
inline void AVOIDDENORMALS()
|
|
{
|
|
//std::cout << "Denormals: FZ DAZ using SSE3" << std::endl;
|
|
_MM_SET_FLUSH_ZERO_MODE(_MM_FLUSH_ZERO_ON);
|
|
_MM_SET_DENORMALS_ZERO_MODE(_MM_DENORMALS_ZERO_ON);
|
|
}
|
|
#else
|
|
#include <xmmintrin.h>
|
|
inline void AVOIDDENORMALS()
|
|
{
|
|
//std::cout << "Denormals: FZ" << std::endl;
|
|
_MM_SET_FLUSH_ZERO_MODE(_MM_FLUSH_ZERO_ON);
|
|
}
|
|
#endif //__SSE3__
|
|
|
|
#else
|
|
inline void AVOIDDENORMALS()
|
|
{
|
|
LUPPP_NOTE( "Denormals: Warning! No protection" );
|
|
}
|
|
#endif //__SSE__
|
|
|
|
#endif // LUPPP_DENORMALS_H
|
|
|