x86/itx: Add 4x16, 16x4 12bpc AVX2 transforms
inv_txfm_add_4x16_adst_adst_0_12bpc_c: 1799.1
inv_txfm_add_4x16_adst_adst_0_12bpc_avx2: 178.8
inv_txfm_add_4x16_adst_adst_1_12bpc_c: 1795.0
inv_txfm_add_4x16_adst_adst_1_12bpc_avx2: 179.1
inv_txfm_add_4x16_adst_adst_2_12bpc_c: 1806.6
inv_txfm_add_4x16_adst_adst_2_12bpc_avx2: 179.3
inv_txfm_add_4x16_adst_dct_0_12bpc_c: 1824.8
inv_txfm_add_4x16_adst_dct_0_12bpc_avx2: 166.8
inv_txfm_add_4x16_adst_dct_1_12bpc_c: 1828.2
inv_txfm_add_4x16_adst_dct_1_12bpc_avx2: 166.7
inv_txfm_add_4x16_adst_dct_2_12bpc_c: 1830.9
inv_txfm_add_4x16_adst_dct_2_12bpc_avx2: 165.6
inv_txfm_add_4x16_adst_flipadst_0_12bpc_c: 1797.9
inv_txfm_add_4x16_adst_flipadst_0_12bpc_avx2: 179.6
inv_txfm_add_4x16_adst_flipadst_1_12bpc_c: 1795.9
inv_txfm_add_4x16_adst_flipadst_1_12bpc_avx2: 180.6
inv_txfm_add_4x16_adst_flipadst_2_12bpc_c: 1791.6
inv_txfm_add_4x16_adst_flipadst_2_12bpc_avx2: 180.1
inv_txfm_add_4x16_adst_identity_0_12bpc_c: 1163.7
inv_txfm_add_4x16_adst_identity_0_12bpc_avx2: 78.6
inv_txfm_add_4x16_adst_identity_1_12bpc_c: 1163.4
inv_txfm_add_4x16_adst_identity_1_12bpc_avx2: 78.9
inv_txfm_add_4x16_adst_identity_2_12bpc_c: 1164.3
inv_txfm_add_4x16_adst_identity_2_12bpc_avx2: 78.8
inv_txfm_add_4x16_dct_adst_0_12bpc_c: 1914.8
inv_txfm_add_4x16_dct_adst_0_12bpc_avx2: 177.0
inv_txfm_add_4x16_dct_adst_1_12bpc_c: 1904.8
inv_txfm_add_4x16_dct_adst_1_12bpc_avx2: 177.3
inv_txfm_add_4x16_dct_adst_2_12bpc_c: 1905.4
inv_txfm_add_4x16_dct_adst_2_12bpc_avx2: 176.4
inv_txfm_add_4x16_dct_dct_0_12bpc_c: 217.1
inv_txfm_add_4x16_dct_dct_0_12bpc_avx2: 26.6
inv_txfm_add_4x16_dct_dct_1_12bpc_c: 1955.1
inv_txfm_add_4x16_dct_dct_1_12bpc_avx2: 162.3
inv_txfm_add_4x16_dct_dct_2_12bpc_c: 1948.9
inv_txfm_add_4x16_dct_dct_2_12bpc_avx2: 162.2
inv_txfm_add_4x16_dct_flipadst_0_12bpc_c: 1922.8
inv_txfm_add_4x16_dct_flipadst_0_12bpc_avx2: 180.6
inv_txfm_add_4x16_dct_flipadst_1_12bpc_c: 1919.7
inv_txfm_add_4x16_dct_flipadst_1_12bpc_avx2: 180.1
inv_txfm_add_4x16_dct_flipadst_2_12bpc_c: 1912.0
inv_txfm_add_4x16_dct_flipadst_2_12bpc_avx2: 180.1
inv_txfm_add_4x16_dct_identity_0_12bpc_c: 1276.4
inv_txfm_add_4x16_dct_identity_0_12bpc_avx2: 75.4
inv_txfm_add_4x16_dct_identity_1_12bpc_c: 1277.5
inv_txfm_add_4x16_dct_identity_1_12bpc_avx2: 75.4
inv_txfm_add_4x16_dct_identity_2_12bpc_c: 1270.1
inv_txfm_add_4x16_dct_identity_2_12bpc_avx2: 75.3
inv_txfm_add_4x16_flipadst_adst_0_12bpc_c: 1802.8
inv_txfm_add_4x16_flipadst_adst_0_12bpc_avx2: 180.8
inv_txfm_add_4x16_flipadst_adst_1_12bpc_c: 1804.8
inv_txfm_add_4x16_flipadst_adst_1_12bpc_avx2: 180.7
inv_txfm_add_4x16_flipadst_adst_2_12bpc_c: 1800.6
inv_txfm_add_4x16_flipadst_adst_2_12bpc_avx2: 181.2
inv_txfm_add_4x16_flipadst_dct_0_12bpc_c: 1842.5
inv_txfm_add_4x16_flipadst_dct_0_12bpc_avx2: 165.1
inv_txfm_add_4x16_flipadst_dct_1_12bpc_c: 1837.8
inv_txfm_add_4x16_flipadst_dct_1_12bpc_avx2: 164.4
inv_txfm_add_4x16_flipadst_dct_2_12bpc_c: 1841.6
inv_txfm_add_4x16_flipadst_dct_2_12bpc_avx2: 166.1
inv_txfm_add_4x16_flipadst_flipadst_0_12bpc_c: 1812.4
inv_txfm_add_4x16_flipadst_flipadst_0_12bpc_avx2: 182.0
inv_txfm_add_4x16_flipadst_flipadst_1_12bpc_c: 1803.9
inv_txfm_add_4x16_flipadst_flipadst_1_12bpc_avx2: 181.2
inv_txfm_add_4x16_flipadst_flipadst_2_12bpc_c: 1809.9
inv_txfm_add_4x16_flipadst_flipadst_2_12bpc_avx2: 183.2
inv_txfm_add_4x16_flipadst_identity_0_12bpc_c: 1170.5
inv_txfm_add_4x16_flipadst_identity_0_12bpc_avx2: 78.4
inv_txfm_add_4x16_flipadst_identity_1_12bpc_c: 1172.1
inv_txfm_add_4x16_flipadst_identity_1_12bpc_avx2: 80.0
inv_txfm_add_4x16_flipadst_identity_2_12bpc_c: 1170.9
inv_txfm_add_4x16_flipadst_identity_2_12bpc_avx2: 78.6
inv_txfm_add_4x16_identity_adst_0_12bpc_c: 1705.4
inv_txfm_add_4x16_identity_adst_0_12bpc_avx2: 162.6
inv_txfm_add_4x16_identity_adst_1_12bpc_c: 1714.5
inv_txfm_add_4x16_identity_adst_1_12bpc_avx2: 162.6
inv_txfm_add_4x16_identity_adst_2_12bpc_c: 1703.1
inv_txfm_add_4x16_identity_adst_2_12bpc_avx2: 162.5
inv_txfm_add_4x16_identity_dct_0_12bpc_c: 1775.0
inv_txfm_add_4x16_identity_dct_0_12bpc_avx2: 150.5
inv_txfm_add_4x16_identity_dct_1_12bpc_c: 1753.0
inv_txfm_add_4x16_identity_dct_1_12bpc_avx2: 150.6
inv_txfm_add_4x16_identity_dct_2_12bpc_c: 1759.6
inv_txfm_add_4x16_identity_dct_2_12bpc_avx2: 149.8
inv_txfm_add_4x16_identity_flipadst_0_12bpc_c: 1727.5
inv_txfm_add_4x16_identity_flipadst_0_12bpc_avx2: 160.3
inv_txfm_add_4x16_identity_flipadst_1_12bpc_c: 1739.8
inv_txfm_add_4x16_identity_flipadst_1_12bpc_avx2: 160.9
inv_txfm_add_4x16_identity_flipadst_2_12bpc_c: 1728.3
inv_txfm_add_4x16_identity_flipadst_2_12bpc_avx2: 159.9
inv_txfm_add_4x16_identity_identity_0_12bpc_c: 1098.6
inv_txfm_add_4x16_identity_identity_0_12bpc_avx2: 60.4
inv_txfm_add_4x16_identity_identity_1_12bpc_c: 1095.4
inv_txfm_add_4x16_identity_identity_1_12bpc_avx2: 61.3
inv_txfm_add_4x16_identity_identity_2_12bpc_c: 1111.6
inv_txfm_add_4x16_identity_identity_2_12bpc_avx2: 60.6
inv_txfm_add_16x4_adst_adst_0_12bpc_c: 1756.6
inv_txfm_add_16x4_adst_adst_0_12bpc_avx2: 182.4
inv_txfm_add_16x4_adst_adst_1_12bpc_c: 1756.0
inv_txfm_add_16x4_adst_adst_1_12bpc_avx2: 182.5
inv_txfm_add_16x4_adst_adst_2_12bpc_c: 1763.2
inv_txfm_add_16x4_adst_adst_2_12bpc_avx2: 182.4
inv_txfm_add_16x4_adst_dct_0_12bpc_c: 1863.6
inv_txfm_add_16x4_adst_dct_0_12bpc_avx2: 176.0
inv_txfm_add_16x4_adst_dct_1_12bpc_c: 1864.1
inv_txfm_add_16x4_adst_dct_1_12bpc_avx2: 176.0
inv_txfm_add_16x4_adst_dct_2_12bpc_c: 1861.3
inv_txfm_add_16x4_adst_dct_2_12bpc_avx2: 176.0
inv_txfm_add_16x4_adst_flipadst_0_12bpc_c: 1768.6
inv_txfm_add_16x4_adst_flipadst_0_12bpc_avx2: 184.1
inv_txfm_add_16x4_adst_flipadst_1_12bpc_c: 1768.8
inv_txfm_add_16x4_adst_flipadst_1_12bpc_avx2: 184.5
inv_txfm_add_16x4_adst_flipadst_2_12bpc_c: 1769.3
inv_txfm_add_16x4_adst_flipadst_2_12bpc_avx2: 184.7
inv_txfm_add_16x4_adst_identity_0_12bpc_c: 1686.6
inv_txfm_add_16x4_adst_identity_0_12bpc_avx2: 145.4
inv_txfm_add_16x4_adst_identity_1_12bpc_c: 1685.8
inv_txfm_add_16x4_adst_identity_1_12bpc_avx2: 145.8
inv_txfm_add_16x4_adst_identity_2_12bpc_c: 1681.7
inv_txfm_add_16x4_adst_identity_2_12bpc_avx2: 145.8
inv_txfm_add_16x4_dct_adst_0_12bpc_c: 1783.4
inv_txfm_add_16x4_dct_adst_0_12bpc_avx2: 167.7
inv_txfm_add_16x4_dct_adst_1_12bpc_c: 1789.1
inv_txfm_add_16x4_dct_adst_1_12bpc_avx2: 167.9
inv_txfm_add_16x4_dct_adst_2_12bpc_c: 1788.0
inv_txfm_add_16x4_dct_adst_2_12bpc_avx2: 169.8
inv_txfm_add_16x4_dct_dct_0_12bpc_c: 209.5
inv_txfm_add_16x4_dct_dct_0_12bpc_avx2: 21.6
inv_txfm_add_16x4_dct_dct_1_12bpc_c: 1894.3
inv_txfm_add_16x4_dct_dct_1_12bpc_avx2: 156.8
inv_txfm_add_16x4_dct_dct_2_12bpc_c: 1892.0
inv_txfm_add_16x4_dct_dct_2_12bpc_avx2: 156.8
inv_txfm_add_16x4_dct_flipadst_0_12bpc_c: 1784.7
inv_txfm_add_16x4_dct_flipadst_0_12bpc_avx2: 167.2
inv_txfm_add_16x4_dct_flipadst_1_12bpc_c: 1796.7
inv_txfm_add_16x4_dct_flipadst_1_12bpc_avx2: 168.6
inv_txfm_add_16x4_dct_flipadst_2_12bpc_c: 1788.9
inv_txfm_add_16x4_dct_flipadst_2_12bpc_avx2: 168.9
inv_txfm_add_16x4_dct_identity_0_12bpc_c: 1712.7
inv_txfm_add_16x4_dct_identity_0_12bpc_avx2: 128.8
inv_txfm_add_16x4_dct_identity_1_12bpc_c: 1714.8
inv_txfm_add_16x4_dct_identity_1_12bpc_avx2: 128.8
inv_txfm_add_16x4_dct_identity_2_12bpc_c: 1710.2
inv_txfm_add_16x4_dct_identity_2_12bpc_avx2: 128.8
inv_txfm_add_16x4_flipadst_adst_0_12bpc_c: 1763.6
inv_txfm_add_16x4_flipadst_adst_0_12bpc_avx2: 186.6
inv_txfm_add_16x4_flipadst_adst_1_12bpc_c: 1761.1
inv_txfm_add_16x4_flipadst_adst_1_12bpc_avx2: 185.6
inv_txfm_add_16x4_flipadst_adst_2_12bpc_c: 1761.8
inv_txfm_add_16x4_flipadst_adst_2_12bpc_avx2: 187.0
inv_txfm_add_16x4_flipadst_dct_0_12bpc_c: 1864.4
inv_txfm_add_16x4_flipadst_dct_0_12bpc_avx2: 176.8
inv_txfm_add_16x4_flipadst_dct_1_12bpc_c: 1862.7
inv_txfm_add_16x4_flipadst_dct_1_12bpc_avx2: 176.8
inv_txfm_add_16x4_flipadst_dct_2_12bpc_c: 1860.2
inv_txfm_add_16x4_flipadst_dct_2_12bpc_avx2: 176.8
inv_txfm_add_16x4_flipadst_flipadst_0_12bpc_c: 1760.4
inv_txfm_add_16x4_flipadst_flipadst_0_12bpc_avx2: 185.3
inv_txfm_add_16x4_flipadst_flipadst_1_12bpc_c: 1761.8
inv_txfm_add_16x4_flipadst_flipadst_1_12bpc_avx2: 185.3
inv_txfm_add_16x4_flipadst_flipadst_2_12bpc_c: 1766.5
inv_txfm_add_16x4_flipadst_flipadst_2_12bpc_avx2: 184.9
inv_txfm_add_16x4_flipadst_identity_0_12bpc_c: 1673.0
inv_txfm_add_16x4_flipadst_identity_0_12bpc_avx2: 143.1
inv_txfm_add_16x4_flipadst_identity_1_12bpc_c: 1673.2
inv_txfm_add_16x4_flipadst_identity_1_12bpc_avx2: 143.1
inv_txfm_add_16x4_flipadst_identity_2_12bpc_c: 1681.6
inv_txfm_add_16x4_flipadst_identity_2_12bpc_avx2: 143.2
inv_txfm_add_16x4_identity_adst_0_12bpc_c: 1128.7
inv_txfm_add_16x4_identity_adst_0_12bpc_avx2: 102.8
inv_txfm_add_16x4_identity_adst_1_12bpc_c: 1131.3
inv_txfm_add_16x4_identity_adst_1_12bpc_avx2: 101.3
inv_txfm_add_16x4_identity_adst_2_12bpc_c: 1127.5
inv_txfm_add_16x4_identity_adst_2_12bpc_avx2: 99.1
inv_txfm_add_16x4_identity_dct_0_12bpc_c: 1228.3
inv_txfm_add_16x4_identity_dct_0_12bpc_avx2: 88.3
inv_txfm_add_16x4_identity_dct_1_12bpc_c: 1220.5
inv_txfm_add_16x4_identity_dct_1_12bpc_avx2: 88.0
inv_txfm_add_16x4_identity_dct_2_12bpc_c: 1227.3
inv_txfm_add_16x4_identity_dct_2_12bpc_avx2: 88.1
inv_txfm_add_16x4_identity_flipadst_0_12bpc_c: 1142.4
inv_txfm_add_16x4_identity_flipadst_0_12bpc_avx2: 100.3
inv_txfm_add_16x4_identity_flipadst_1_12bpc_c: 1134.1
inv_txfm_add_16x4_identity_flipadst_1_12bpc_avx2: 100.3
inv_txfm_add_16x4_identity_flipadst_2_12bpc_c: 1136.4
inv_txfm_add_16x4_identity_flipadst_2_12bpc_avx2: 100.3
inv_txfm_add_16x4_identity_identity_0_12bpc_c: 1056.1
inv_txfm_add_16x4_identity_identity_0_12bpc_avx2: 61.6
inv_txfm_add_16x4_identity_identity_1_12bpc_c: 1064.6
inv_txfm_add_16x4_identity_identity_1_12bpc_avx2: 62.9
inv_txfm_add_16x4_identity_identity_2_12bpc_c: 1067.5
inv_txfm_add_16x4_identity_identity_2_12bpc_avx2: 63.5