diff --git a/aom_dsp/aom_dsp.cmake b/aom_dsp/aom_dsp.cmake
index f61af74..6c1d89e 100644
--- a/aom_dsp/aom_dsp.cmake
+++ b/aom_dsp/aom_dsp.cmake
@@ -81,6 +81,7 @@
     "${AOM_ROOT}/aom_dsp/x86/intrapred_avx2.c"
     "${AOM_ROOT}/aom_dsp/x86/inv_txfm_avx2.c"
     "${AOM_ROOT}/aom_dsp/x86/common_avx2.h"
+    "${AOM_ROOT}/aom_dsp/x86/convolve_avx2.h"
     "${AOM_ROOT}/aom_dsp/x86/inv_txfm_common_avx2.h"
     "${AOM_ROOT}/aom_dsp/x86/txfm_common_avx2.h")
 
diff --git a/aom_dsp/x86/convolve_avx2.h b/aom_dsp/x86/convolve_avx2.h
index f4ea91e..80a6067 100644
--- a/aom_dsp/x86/convolve_avx2.h
+++ b/aom_dsp/x86/convolve_avx2.h
@@ -33,4 +33,101 @@
   6, 7, 7, 8, 8, 9, 9, 10, 10, 11, 11, 12, 12, 13, 13, 14
 };
 
+static INLINE void prepare_coeffs(const InterpFilterParams *const filter_params,
+                                  const int subpel_q4,
+                                  __m256i *const coeffs /* [4] */) {
+  const int16_t *const filter = av1_get_interp_filter_subpel_kernel(
+      *filter_params, subpel_q4 & SUBPEL_MASK);
+  const __m128i coeffs_8 = _mm_loadu_si128((__m128i *)filter);
+  const __m256i filter_coeffs = _mm256_broadcastsi128_si256(coeffs_8);
+
+  // right shift all filter co-efficients by 1 to reduce the bits required.
+  // This extra right shift will be taken care of at the end while rounding
+  // the result.
+  // Since all filter co-efficients are even, this change will not affect the
+  // end result
+  assert(_mm_test_all_zeros(_mm_and_si128(coeffs_8, _mm_set1_epi16(1)),
+                            _mm_set1_epi16(0xffff)));
+
+  const __m256i coeffs_1 = _mm256_srai_epi16(filter_coeffs, 1);
+
+  // coeffs 0 1 0 1 0 1 0 1
+  coeffs[0] = _mm256_shuffle_epi8(coeffs_1, _mm256_set1_epi16(0x0200u));
+  // coeffs 2 3 2 3 2 3 2 3
+  coeffs[1] = _mm256_shuffle_epi8(coeffs_1, _mm256_set1_epi16(0x0604u));
+  // coeffs 4 5 4 5 4 5 4 5
+  coeffs[2] = _mm256_shuffle_epi8(coeffs_1, _mm256_set1_epi16(0x0a08u));
+  // coeffs 6 7 6 7 6 7 6 7
+  coeffs[3] = _mm256_shuffle_epi8(coeffs_1, _mm256_set1_epi16(0x0e0cu));
+}
+
+static INLINE void prepare_coeffs_y_2d(
+    const InterpFilterParams *const filter_params_y, const int subpel_y_q4,
+    __m256i *const coeffs /* [4] */) {
+  const int16_t *y_filter = av1_get_interp_filter_subpel_kernel(
+      *filter_params_y, subpel_y_q4 & SUBPEL_MASK);
+
+  const __m128i coeffs_y8 = _mm_loadu_si128((__m128i *)y_filter);
+  const __m256i coeffs_y = _mm256_broadcastsi128_si256(coeffs_y8);
+
+  // coeffs 0 1 0 1 0 1 0 1
+  coeffs[0] = _mm256_shuffle_epi32(coeffs_y, 0x00);
+  // coeffs 2 3 2 3 2 3 2 3
+  coeffs[1] = _mm256_shuffle_epi32(coeffs_y, 0x55);
+  // coeffs 4 5 4 5 4 5 4 5
+  coeffs[2] = _mm256_shuffle_epi32(coeffs_y, 0xaa);
+  // coeffs 6 7 6 7 6 7 6 7
+  coeffs[3] = _mm256_shuffle_epi32(coeffs_y, 0xff);
+}
+
+static INLINE __m256i convolve(const __m256i *const s,
+                               const __m256i *const coeffs) {
+  const __m256i res_01 = _mm256_maddubs_epi16(s[0], coeffs[0]);
+  const __m256i res_23 = _mm256_maddubs_epi16(s[1], coeffs[1]);
+  const __m256i res_45 = _mm256_maddubs_epi16(s[2], coeffs[2]);
+  const __m256i res_67 = _mm256_maddubs_epi16(s[3], coeffs[3]);
+
+  // order: 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
+  const __m256i res = _mm256_add_epi16(_mm256_add_epi16(res_01, res_45),
+                                       _mm256_add_epi16(res_23, res_67));
+
+  return res;
+}
+
+static INLINE __m256i convolve_y_2d(const __m256i *const s,
+                                    const __m256i *const coeffs) {
+  const __m256i res_0 = _mm256_madd_epi16(s[0], coeffs[0]);
+  const __m256i res_1 = _mm256_madd_epi16(s[1], coeffs[1]);
+  const __m256i res_2 = _mm256_madd_epi16(s[2], coeffs[2]);
+  const __m256i res_3 = _mm256_madd_epi16(s[3], coeffs[3]);
+
+  const __m256i res = _mm256_add_epi32(_mm256_add_epi32(res_0, res_1),
+                                       _mm256_add_epi32(res_2, res_3));
+
+  return res;
+}
+
+static INLINE __m256i convolve_x(const __m256i data,
+                                 const __m256i *const coeffs,
+                                 const __m256i *const filt) {
+  __m256i s[4];
+
+  s[0] = _mm256_shuffle_epi8(data, filt[0]);
+  s[1] = _mm256_shuffle_epi8(data, filt[1]);
+  s[2] = _mm256_shuffle_epi8(data, filt[2]);
+  s[3] = _mm256_shuffle_epi8(data, filt[3]);
+
+  return convolve(s, coeffs);
+}
+
+static INLINE void add_store_aligned(CONV_BUF_TYPE *const dst,
+                                     const __m256i *const res,
+                                     const __m256i *const avg_mask) {
+  __m256i d;
+  d = _mm256_load_si256((__m256i *)dst);
+  d = _mm256_and_si256(d, *avg_mask);
+  d = _mm256_add_epi32(d, *res);
+  _mm256_store_si256((__m256i *)dst, d);
+}
+
 #endif