src/gromacs/simd/impl_x86_sse2/impl_x86_sse2_definitions.h

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  35
  36 #ifndef GMX_SIMD_IMPL_X86_SSE2_DEFINITIONS_H
  37 #define GMX_SIMD_IMPL_X86_SSE2_DEFINITIONS_H
  38
  39 // Capability definitions for SSE2.
  40 #define GMX_SIMD                                1
  41 #define GMX_SIMD_HAVE_FLOAT                     1
  42 #define GMX_SIMD_HAVE_DOUBLE                    1
  43 #define GMX_SIMD_HAVE_LOADU                     1
  44 #define GMX_SIMD_HAVE_STOREU                    1
  45 #define GMX_SIMD_HAVE_LOGICAL                   1
  46 #define GMX_SIMD_HAVE_FMA                       0
  47 #define GMX_SIMD_HAVE_FINT32_EXTRACT            1  // No SSE2 instruction, but use shifts
  48 #define GMX_SIMD_HAVE_FINT32_LOGICAL            1
  49 #define GMX_SIMD_HAVE_FINT32_ARITHMETICS        1
  50 #define GMX_SIMD_HAVE_DINT32_EXTRACT            1  // No SSE2 instruction, but use shifts
  51 #define GMX_SIMD_HAVE_DINT32_LOGICAL            1
  52 #define GMX_SIMD_HAVE_DINT32_ARITHMETICS        1
  53 #define GMX_SIMD_HAVE_NATIVE_COPYSIGN_FLOAT     0
  54 #define GMX_SIMD_HAVE_NATIVE_RSQRT_ITER_FLOAT   0
  55 #define GMX_SIMD_HAVE_NATIVE_RCP_ITER_FLOAT     0
  56 #define GMX_SIMD_HAVE_NATIVE_LOG_FLOAT          0
  57 #define GMX_SIMD_HAVE_NATIVE_EXP2_FLOAT         0
  58 #define GMX_SIMD_HAVE_NATIVE_EXP_FLOAT          0
  59 #define GMX_SIMD_HAVE_NATIVE_COPYSIGN_DOUBLE    0
  60 #define GMX_SIMD_HAVE_NATIVE_RSQRT_ITER_DOUBLE  0
  61 #define GMX_SIMD_HAVE_NATIVE_RCP_ITER_DOUBLE    0
  62 #define GMX_SIMD_HAVE_NATIVE_LOG_DOUBLE         0
  63 #define GMX_SIMD_HAVE_NATIVE_EXP2_DOUBLE        0
  64 #define GMX_SIMD_HAVE_NATIVE_EXP_DOUBLE         0
  65 #define GMX_SIMD_HAVE_GATHER_LOADU_BYSIMDINT_TRANSPOSE_FLOAT   1
  66 #define GMX_SIMD_HAVE_GATHER_LOADU_BYSIMDINT_TRANSPOSE_DOUBLE  1
  67 #define GMX_SIMD_HAVE_HSIMD_UTIL_FLOAT          0  // No need for half-simd, width is 4
  68 #define GMX_SIMD_HAVE_HSIMD_UTIL_DOUBLE         0  // No need for half-simd, width is 2
  69
  70 #define GMX_SIMD4_HAVE_FLOAT                    1
  71 #define GMX_SIMD4_HAVE_DOUBLE                   0
  72
  73 // Implementation details
  74 #define GMX_SIMD_FLOAT_WIDTH                    4
  75 #define GMX_SIMD_DOUBLE_WIDTH                   2
  76 #define GMX_SIMD_FINT32_WIDTH                   4
  77 #define GMX_SIMD_DINT32_WIDTH                   2
  78 #define GMX_SIMD4_WIDTH                         4
  79 #define GMX_SIMD_ALIGNMENT                     16 // Bytes (4*single or 2*double)
  80 #define GMX_SIMD_RSQRT_BITS                    11
  81 #define GMX_SIMD_RCP_BITS                      11
  82
  83 #endif // GMX_SIMD_IMPL_X86_SSE2_DEFINITIONS_H