diff options
Diffstat (limited to 'arm_compute/core/NEON/NEAsymm.inl')
-rw-r--r-- | arm_compute/core/NEON/NEAsymm.inl | 36 |
1 files changed, 35 insertions, 1 deletions
diff --git a/arm_compute/core/NEON/NEAsymm.inl b/arm_compute/core/NEON/NEAsymm.inl index bbce308b35..ce999a5413 100644 --- a/arm_compute/core/NEON/NEAsymm.inl +++ b/arm_compute/core/NEON/NEAsymm.inl @@ -30,4 +30,38 @@ inline int32x4_t rounding_divide_by_pow2(int32x4_t x, int exponent) const int32x4_t fixed_up_x = vqaddq_s32(x, fixup); return vrshlq_s32(fixed_up_x, shift_vec); } -} // namespace arm_compute
\ No newline at end of file + +inline qasymm8x16_t vmlaq_qasymm8(qasymm8x16_t vd, float32x4_t vs, float32x4_t vo) +{ + // Convert uint8 vectors to uint16 vectors + const uint8x8_t vd_low = vget_low_u8(vd); + const uint8x8_t vd_high = vget_high_u8(vd); + uint16x8_t vd_low_u16x8 = vmovl_u8(vd_low); + uint16x8_t vd_high_u16x8 = vmovl_u8(vd_high); + // Convert uint16 vectors to uint32 vectors + uint32x4_t A_u32x4 = vmovl_u16(vget_low_u16(vd_low_u16x8)); + uint32x4_t B_u32x4 = vmovl_u16(vget_high_u16(vd_low_u16x8)); + uint32x4_t C_u32x4 = vmovl_u16(vget_low_u16(vd_high_u16x8)); + uint32x4_t D_u32x4 = vmovl_u16(vget_high_u16(vd_high_u16x8)); + // Convert uint32 vectors to float32 vectors + float32x4_t A_f32x4 = vcvtq_f32_u32(A_u32x4); + float32x4_t B_f32x4 = vcvtq_f32_u32(B_u32x4); + float32x4_t C_f32x4 = vcvtq_f32_u32(C_u32x4); + float32x4_t D_f32x4 = vcvtq_f32_u32(D_u32x4); + // vd = vd*vs + vo + A_f32x4 = vmlaq_f32(vo, A_f32x4, vs); + B_f32x4 = vmlaq_f32(vo, B_f32x4, vs); + C_f32x4 = vmlaq_f32(vo, C_f32x4, vs); + D_f32x4 = vmlaq_f32(vo, D_f32x4, vs); + // Convert float32 vectors to uint32 vectors + A_u32x4 = vcvtq_u32_f32(A_f32x4); + B_u32x4 = vcvtq_u32_f32(B_f32x4); + C_u32x4 = vcvtq_u32_f32(C_f32x4); + D_u32x4 = vcvtq_u32_f32(D_f32x4); + // Convert uint32 vectors to uint16 vectors (with saturation) + vd_low_u16x8 = vcombine_u16(vqmovn_u32(A_u32x4), vqmovn_u32(B_u32x4)); + vd_high_u16x8 = vcombine_u16(vqmovn_u32(C_u32x4), vqmovn_u32(D_u32x4)); + // convert uint16 vectors to uint8 vectors (with saturation) + return vcombine_u8(vqmovn_u16(vd_low_u16x8), vqmovn_u16(vd_high_u16x8)); +} +} // namespace arm_compute |