asm: code for scale2D_64to32 routine
asm: fix the alignment issues occured in sse_ss
asm : assembly code for intra_pred_planar[16x16]
asm: code for pixel_var_32x32 and 64x64 blocks
asm: code for pixel_sse_sp_32xN
asm: code for pixel_sse_sp_48x64
asm: code for pixel_sse_sp_64xN
asm: pixel_sse_ss_24x32 assembly routine
asm: pixel_sse_ss_48x64 assembly routine
asm: pixel_sse_ss_64xN assembly routine
Adding constant tables used for idct4 asm routine
asm: Adding asm routine for idct4
Enable the idct4 asm routine.
asm: code for pixel_sse_sp_8xN
asm: code for pixel_sse_sp_24x32
Merge
intra: fix yasm warning about redefined macro
vec: remove scale2D_64to32, we have asm coverage
vec: remove intra_pred_planar16_sse4, we have asm coverage
Merge with stable