message: Fix for AVX2 implementation of v_check_any(), v_check_all() intrinsics
diff: @@ -1231,19 +1231,16 @@ inline int v_signmask(const v_int16x16& a)
  inline int v_signmask(const v_uint16x16& a)
  { return v_signmask(v_reinterpret_as_s16(a)); }
  -inline int v_signmask(const v_int32x8& a)
  -{
  - v_int16x16 a16 = v_pack(a, a);
  - return v_signmask(v_pack(a16, a16)) & 0xFF;
  -}
  -inline int v_signmask(const v_uint32x8& a)
  -{ return v_signmask(v_reinterpret_as_s32(a)); }
  -
  inline int v_signmask(const v_float32x8& a)
  { return _mm256_movemask_ps(a.val); }
  inline int v_signmask(const v_float64x4& a)
  { return _mm256_movemask_pd(a.val); }
  +inline int v_signmask(const v_int32x8& a)
  +{ return v_signmask(v_reinterpret_as_f32(a)); }
  +inline int v_signmask(const v_uint32x8& a)
  +{ return v_signmask(v_reinterpret_as_f32(a)); }
  +
  inline int v_scan_forward(const v_int8x32& a) { return trailingZeros32(v_signmask(v_reinterpret_as_s8(a))); }
  inline int v_scan_forward(const v_uint8x32& a) { return trailingZeros32(v_signmask(v_reinterpret_as_s8(a))); }
  inline int v_scan_forward(const v_int16x16& a) { return trailingZeros32(v_signmask(v_reinterpret_as_s8(a))) / 2; }
  @@ -1270,10 +1267,10 @@ inline int v_scan_forward(const v_float64x4& a) { return trailingZeros32(v_signm
  OPENCV_HAL_IMPL_AVX_CHECK(v_uint8x32, OPENCV_HAL_1ST, -1)
  OPENCV_HAL_IMPL_AVX_CHECK(v_int8x32, OPENCV_HAL_1ST, -1)
  -OPENCV_HAL_IMPL_AVX_CHECK(v_uint16x16, OPENCV_HAL_AND, (int)0xaaaa)
  -OPENCV_HAL_IMPL_AVX_CHECK(v_int16x16, OPENCV_HAL_AND, (int)0xaaaa)
  -OPENCV_HAL_IMPL_AVX_CHECK(v_uint32x8, OPENCV_HAL_AND, (int)0x8888)
  -OPENCV_HAL_IMPL_AVX_CHECK(v_int32x8, OPENCV_HAL_AND, (int)0x8888)
  +OPENCV_HAL_IMPL_AVX_CHECK(v_uint16x16, OPENCV_HAL_AND, (int)0xaaaaaaaa)
  +OPENCV_HAL_IMPL_AVX_CHECK(v_int16x16, OPENCV_HAL_AND, (int)0xaaaaaaaa)
  +OPENCV_HAL_IMPL_AVX_CHECK(v_uint32x8, OPENCV_HAL_AND, (int)0x88888888)
  +OPENCV_HAL_IMPL_AVX_CHECK(v_int32x8, OPENCV_HAL_AND, (int)0x88888888)
  #define OPENCV_HAL_IMPL_AVX_CHECK_FLT(_Tpvec, allmask) \
  inline bool v_check_all(const _Tpvec& a) \
  