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