[x265] [PATCH] asm: code for scale1D_128to64 routine

[chen]

>+;-----------------------------------------------------------------
>+; void scale1D_128to64(pixel *dst, pixel *src, intptr_t /*stride*/)
>+;-----------------------------------------------------------------
>+INIT_XMM ssse3
>+cglobal scale1D_128to64, 3, 3, 8, dest, src1, stride
you use two parameters and register, but declare is 3
 
>+
>+    mova        m7,      [deinterleave_shuf]
>+
>+    movu        m0,      [r1]
>+    palignr     m1,      m0,    1
>+    movu        m2,      [r1 + 16]
>+    palignr     m3,      m2,    1
>+    movu        m4,      [r1 + 32]
>+    palignr     m5,      m4,    1
>+    movu        m6,      [r1 + 48]
>+
>+    pavgb       m0,      m1
>+
>+    palignr     m1,      m6,    1
>+
>+    pavgb       m2,      m3
>+    pavgb       m4,      m5
>+    pavgb       m6,      m1
>+
>+    pshufb      m0,      m0,    m7
>+    pshufb      m2,      m2,    m7
>+    pshufb      m4,      m4,    m7
>+    pshufb      m6,      m6,    m7
>+
>+    punpcklqdq    m0,           m2
>+    movu          [r0],         m0
>+    punpcklqdq    m4,           m6
>+    movu          [r0 + 16],    m4
>+
>+    movu        m0,      [r1 + 64]
>+    palignr     m1,      m0,    1
>+    movu        m2,      [r1 + 80]
>+    palignr     m3,      m2,    1
>+    movu        m4,      [r1 + 96]
>+    palignr     m5,      m4,    1
>+    movu        m6,      [r1 + 112]
>+
>+    pavgb       m0,      m1
>+
>+    palignr     m1,      m6,    1
>+
>+    pavgb       m2,      m3
>+    pavgb       m4,      m5
>+    pavgb       m6,      m1
>+
>+    pshufb      m0,      m0,    m7
>+    pshufb      m2,      m2,    m7
>+    pshufb      m4,      m4,    m7
>+    pshufb      m6,      m6,    m7
>+
>+    punpcklqdq    m0,           m2
>+    movu          [r0 + 32],    m0
>+    punpcklqdq    m4,           m6
>+    movu          [r0 + 48],    m4
>+
>+RET
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://mailman.videolan.org/pipermail/x265-devel/attachments/20131114/5d74a5a8/attachment-0001.html>