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36 #ifndef GMX_SIMD_IMPL_X86_SSE4_1_SIMD_FLOAT_H
37 #define GMX_SIMD_IMPL_X86_SSE4_1_SIMD_FLOAT_H
41 #include <smmintrin.h>
43 #include "gromacs/simd/impl_x86_sse2/impl_x86_sse2_simd_float.h"
49 static inline std::int32_t gmx_simdcall
52 return _mm_extract_epi32(a
.simdInternal_
, index
);
55 static inline SimdFloat
56 maskzRsqrt(SimdFloat x
, SimdFBool m
)
59 x
.simdInternal_
= _mm_blendv_ps(_mm_set1_ps(1.0F
), x
.simdInternal_
, m
.simdInternal_
);
62 _mm_and_ps(_mm_rsqrt_ps(x
.simdInternal_
), m
.simdInternal_
)
66 static inline SimdFloat
67 maskzRcp(SimdFloat x
, SimdFBool m
)
70 x
.simdInternal_
= _mm_blendv_ps(_mm_set1_ps(1.0F
), x
.simdInternal_
, m
.simdInternal_
);
73 _mm_and_ps(_mm_rcp_ps(x
.simdInternal_
), m
.simdInternal_
)
77 static inline SimdFloat gmx_simdcall
81 _mm_round_ps(x
.simdInternal_
, _MM_FROUND_NINT
)
85 static inline SimdFloat gmx_simdcall
89 _mm_round_ps(x
.simdInternal_
, _MM_FROUND_TRUNC
)
93 static inline SimdFloat gmx_simdcall
94 blend(SimdFloat a
, SimdFloat b
, SimdFBool sel
)
97 _mm_blendv_ps(a
.simdInternal_
, b
.simdInternal_
, sel
.simdInternal_
)
101 static inline SimdFInt32 gmx_simdcall
102 operator*(SimdFInt32 a
, SimdFInt32 b
)
105 _mm_mullo_epi32(a
.simdInternal_
, b
.simdInternal_
)
109 static inline SimdFInt32 gmx_simdcall
110 blend(SimdFInt32 a
, SimdFInt32 b
, SimdFIBool sel
)
113 _mm_blendv_epi8(a
.simdInternal_
, b
.simdInternal_
, sel
.simdInternal_
)
117 template <MathOptimization opt
= MathOptimization::Safe
>
118 static inline SimdFloat gmx_simdcall
119 ldexp(SimdFloat value
, SimdFInt32 exponent
)
121 const __m128i exponentBias
= _mm_set1_epi32(127);
124 iExponent
= _mm_add_epi32(exponent
.simdInternal_
, exponentBias
);
126 if (opt
== MathOptimization::Safe
)
128 // Make sure biased argument is not negative
129 iExponent
= _mm_max_epi32(iExponent
, _mm_setzero_si128());
132 iExponent
= _mm_slli_epi32( iExponent
, 23);
135 _mm_mul_ps(value
.simdInternal_
, _mm_castsi128_ps(iExponent
))
141 #endif // GMX_SIMD_IMPL_X86_SSE4_1_SIMD_FLOAT_H