[x265] [PATCH] denoise_dct: avx2 asm code

[chen]

right, just miss ident

At 2014-09-18 18:00:39,praveen at multicorewareinc.com wrote:
># HG changeset patch
># User Praveen Tiwari
># Date 1411034418 -19800
># Node ID e723ecc1e5c99c451cbc8034514b9dc590a2d4ef
># Parent  c4b689f6050231e99b9663b7504cd7fff90bdafb
>denoise_dct: avx2 asm code
>
>diff -r c4b689f60502 -r e723ecc1e5c9 source/common/x86/asm-primitives.cpp
>--- a/source/common/x86/asm-primitives.cpp	Thu Sep 18 15:11:26 2014 +0530
>+++ b/source/common/x86/asm-primitives.cpp	Thu Sep 18 15:30:18 2014 +0530
>@@ -1738,7 +1738,7 @@
>         p.cvt32to16_shl[BLOCK_8x8] = x265_cvt32to16_shl_8_avx2;
>         p.cvt32to16_shl[BLOCK_16x16] = x265_cvt32to16_shl_16_avx2;
>         p.cvt32to16_shl[BLOCK_32x32] = x265_cvt32to16_shl_32_avx2;
>-        //p.denoiseDct = x265_denoise_dct_avx2;
>+        p.denoiseDct = x265_denoise_dct_avx2;
>         p.dct[DCT_4x4] = x265_dct4_avx2;
>         p.quant = x265_quant_avx2;
>         p.nquant = x265_nquant_avx2;
>diff -r c4b689f60502 -r e723ecc1e5c9 source/common/x86/dct8.asm
>--- a/source/common/x86/dct8.asm	Thu Sep 18 15:11:26 2014 +0530
>+++ b/source/common/x86/dct8.asm	Thu Sep 18 15:30:18 2014 +0530
>@@ -1082,24 +1082,26 @@
>     RET
> 
> INIT_YMM avx2
>-cglobal denoise_dct, 4,4,4
>-    pxor      m3, m3
>-    movsxdifnidn r3, r3d
>+cglobal denoise_dct, 4, 4, 6
>+    pxor     m5,  m5
>+    shr      r3d, 3
> .loop:
>-    mova      m1, [r0+r3*2-mmsize]
>-    pabsw     m0, m1
>-    psubusw   m2, m0, [r2+r3*2-mmsize]
>-    vpermq    m0, m0, q3120
>-    psignw    m2, m1
>-    mova [r0+r3*2-mmsize], m2
>-    punpcklwd m1, m0, m3
>-    punpckhwd m0, m3
>-    paddd     m1, [r1+r3*4-2*mmsize]
>-    paddd     m0, [r1+r3*4-1*mmsize]
>-    mova      [r1+r3*4-2*mmsize], m1
>-    mova      [r1+r3*4-1*mmsize], m0
>-    sub       r3, mmsize/2
>-    jg .loop
>+    mova     m0, [r0]
>+    pabsd    m1, m0
>+    mova     m2, [r1]
>+    paddd    m2, m1
>+    mova     [r1], m2
>+    pmovzxwd m3, [r2]
>+    psubd    m1, m3
>+    pcmpgtd  m4, m1, m5
>+    pand     m1, m4
>+    psignd   m1, m0
>+    mova     [r0], m1
>+    add      r0, 32
>+    add      r1, 32
>+    add      r2, 16
>+    dec      r3d
>+    jnz .loop
>     RET
> 
> 
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