diff options
Diffstat (limited to 'arm_compute/core/NEON/NEMath.inl')
-rw-r--r-- | arm_compute/core/NEON/NEMath.inl | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/arm_compute/core/NEON/NEMath.inl b/arm_compute/core/NEON/NEMath.inl index f1c9c2024b..a3601f6a25 100644 --- a/arm_compute/core/NEON/NEMath.inl +++ b/arm_compute/core/NEON/NEMath.inl @@ -317,6 +317,39 @@ inline int32_t rounding_divide_by_pow2(int32_t x, int exponent) return (x >> exponent) + ((x & mask) > threshold ? 1 : 0); } +inline float32x4x4_t convert_uint8x16_to_float32x4x4(const uint8x16_t &in) +{ + float32x4x4_t out; + + const auto tmp1 = vmovl_u8(vget_low_u8(in)); + out.val[0] = vcvtq_f32_u32(vmovl_u16(vget_low_u16(tmp1))); + out.val[1] = vcvtq_f32_u32(vmovl_u16(vget_high_u16(tmp1))); + + const auto tmp2 = vmovl_u8(vget_high_u8(in)); + out.val[2] = vcvtq_f32_u32(vmovl_u16(vget_low_u16(tmp2))); + out.val[3] = vcvtq_f32_u32(vmovl_u16(vget_high_u16(tmp2))); + return out; +} + +inline void convert_float32x4x3_to_uint8x8x3(const float32x4x3_t &in1, const float32x4x3_t &in2, uint8x8x3_t &out) +{ + out.val[0] = vqmovn_u16(vcombine_u16(vqmovn_u32(vcvtq_u32_f32(in1.val[0])), + vqmovn_u32(vcvtq_u32_f32(in2.val[0])))); + out.val[1] = vqmovn_u16(vcombine_u16(vqmovn_u32(vcvtq_u32_f32(in1.val[1])), + vqmovn_u32(vcvtq_u32_f32(in2.val[1])))); + out.val[2] = vqmovn_u16(vcombine_u16(vqmovn_u32(vcvtq_u32_f32(in1.val[2])), + vqmovn_u32(vcvtq_u32_f32(in2.val[2])))); +} + +inline void convert_float32x4x4_to_unit8x16(const float32x4x4_t &in, uint8x16_t &out) +{ + const auto low = vcombine_u16(vqmovn_u32(vcvtq_u32_f32(in.val[0])), + vqmovn_u32(vcvtq_u32_f32(in.val[1]))); + const auto high = vcombine_u16(vqmovn_u32(vcvtq_u32_f32(in.val[2])), + vqmovn_u32(vcvtq_u32_f32(in.val[3]))); + out = vcombine_u8(vqmovn_u16(low), vqmovn_u16(high)); +} + #ifdef __ARM_FEATURE_FP16_VECTOR_ARITHMETIC /** Exponent polynomial coefficients */ /** Logarithm polynomial coefficients */ |