[x265] [PATCH] asm: assembly code for pixel_sad_64x32

[chen]

>+    pxor  m0,  m0
>+    mov   r4,  32
>+.loop
>+
>+    sub   r4,  8
>+    cmp   r4,  8
>+
>+jnz .loop
+    PROCESS_SAD_64x4
+    lea   r2,  [r2 + r3]
+    lea   r0,  [r0 + r1]

1. below is short:
 mov r4, 3
dec r4
jnz loop
 
2. line jnz need ident
 
3. why don't include PROCESS_SAD_64x4 that after jnz into loop
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