AVX2 SIMD

• 8-bit

10/12-bit:

• mc
• intra_pred
• itx
  • 10-bit
  • 12-bit (@another)
    • 4x4 (!1304 (merged))
    • 4x8, 8x4 (!1309 (merged))
    • 4x16, 16x4 (!1318 (merged))
    • 8x8 (!1309 (merged))
    • 8x16, 16x8 (!1322 (merged))
    • 8x32, 32x8 (!1417 (merged))
    • 16x16 (!1356 (merged))
    • 16x32, 32x16
    • 16x64, 64x16
    • 32x32
    • 32x64, 64x32
    • 64x64
• deblock loop_filter
• CDEF
• loop restoration
  • wiener
  • SGR
    • 10-bit
    • 12-bit
• SVC/super_res
• grain