[x265] [PATCH] asm: avx2 asm code for 8bpp and 16bpp vesion of scale1D_128to64 module

[chen]

its right now

At 2014-10-21 19:08:00,murugan at multicorewareinc.com wrote:
># HG changeset patch
># User Murugan Vairavel <murugan at multicorewareinc.com>
># Date 1413889610 -19800
>#      Tue Oct 21 16:36:50 2014 +0530
># Node ID be42d70809a9ea0abe95673cc93082540266e1cc
># Parent  e66f78a6df4f7fee71437b6645574b66024574f4
>asm: avx2 asm code for 8bpp and 16bpp vesion of scale1D_128to64 module
>
>diff -r e66f78a6df4f -r be42d70809a9 source/common/x86/asm-primitives.cpp
>--- a/source/common/x86/asm-primitives.cpp	Tue Oct 21 11:51:19 2014 +0530
>+++ b/source/common/x86/asm-primitives.cpp	Tue Oct 21 16:36:50 2014 +0530
>@@ -1444,6 +1444,7 @@
>         p.quant = x265_quant_avx2;
>         p.nquant = x265_nquant_avx2;
>         p.dequant_normal = x265_dequant_normal_avx2;
>+        p.scale1D_128to64 = x265_scale1D_128to64_avx2;
> #if X86_64
>         p.dct[DCT_8x8] = x265_dct8_avx2;
>         p.dct[DCT_16x16] = x265_dct16_avx2;
>@@ -1788,6 +1789,7 @@
>         p.chroma[X265_CSP_I422].copy_ss[CHROMA422_16x24] = x265_blockcopy_ss_16x24_avx;
>         p.chroma[X265_CSP_I422].copy_ss[CHROMA422_16x32] = x265_blockcopy_ss_16x32_avx;
>         p.chroma[X265_CSP_I422].copy_ss[CHROMA422_16x64] = x265_blockcopy_ss_16x64_avx;
>+        p.scale1D_128to64 = x265_scale1D_128to64_avx2;
> 
> #if X86_64
>         p.dct[DCT_8x8] = x265_dct8_avx2;
>diff -r e66f78a6df4f -r be42d70809a9 source/common/x86/pixel-util.h
>--- a/source/common/x86/pixel-util.h	Tue Oct 21 11:51:19 2014 +0530
>+++ b/source/common/x86/pixel-util.h	Tue Oct 21 16:36:50 2014 +0530
>@@ -70,6 +70,7 @@
> float x265_pixel_ssim_end4_avx(int sum0[5][4], int sum1[5][4], int width);
> 
> void x265_scale1D_128to64_ssse3(pixel *, pixel *, intptr_t);
>+void x265_scale1D_128to64_avx2(pixel *, pixel *, intptr_t);
> void x265_scale2D_64to32_ssse3(pixel *, pixel *, intptr_t);
> 
> #define SETUP_CHROMA_PIXELSUB_PS_FUNC(W, H, cpu) \
>diff -r e66f78a6df4f -r be42d70809a9 source/common/x86/pixel-util8.asm
>--- a/source/common/x86/pixel-util8.asm	Tue Oct 21 11:51:19 2014 +0530
>+++ b/source/common/x86/pixel-util8.asm	Tue Oct 21 16:36:50 2014 +0530
>@@ -42,7 +42,7 @@
> mask_ff:   times 16 db 0xff
>            times 16 db 0
> deinterleave_shuf: db 0, 2, 4, 6, 8, 10, 12, 14, 1, 3, 5, 7, 9, 11, 13, 15
>-deinterleave_word_shuf: db 0, 1, 4, 5, 8, 9, 12, 13, 2, 3, 6, 7, 10, 11, 15, 15
>+deinterleave_word_shuf: db 0, 1, 4, 5, 8, 9, 12, 13, 2, 3, 6, 7, 10, 11, 14, 15
> hmul_16p:  times 16 db 1
>            times 8 db 1, -1
> hmulw_16p:  times 8 dw 1
>@@ -53,6 +53,7 @@
> SECTION .text
> 
> cextern pw_1
>+cextern pb_1
> cextern pw_00ff
> cextern pw_2000
> cextern pw_pixel_max
>@@ -3439,6 +3440,67 @@
> %endif
> RET
> 
>+%if HIGH_BIT_DEPTH == 1
>+INIT_YMM avx2
>+cglobal scale1D_128to64, 2, 2, 3
>+    pxor            m2, m2
>+
>+    movu            m0, [r1]
>+    movu            m1, [r1 + 32]
>+    phaddw          m0, m1
>+    pavgw           m0, m2
>+    vpermq          m0, m0, 0xD8
>+    movu            [r0], m0
>+
>+    movu            m0, [r1 + 64]
>+    movu            m1, [r1 + 96]
>+    phaddw          m0, m1
>+    pavgw           m0, m2
>+    vpermq          m0, m0, 0xD8
>+    movu            [r0 + 32], m0
>+
>+    movu            m0, [r1 + 128]
>+    movu            m1, [r1 + 160]
>+    phaddw          m0, m1
>+    pavgw           m0, m2
>+    vpermq          m0, m0, 0xD8
>+    movu            [r0 + 64], m0
>+
>+    movu            m0, [r1 + 192]
>+    movu            m1, [r1 + 224]
>+    phaddw          m0, m1
>+    pavgw           m0, m2
>+    vpermq          m0, m0, 0xD8
>+    movu            [r0 + 96], m0
>+    RET
>+%else ; HIGH_BIT_DEPTH == 0
>+INIT_YMM avx2
>+cglobal scale1D_128to64, 2, 2, 4
>+    pxor            m2, m2
>+    mova            m3, [pb_1]
>+
>+    movu            m0, [r1]
>+    pmaddubsw       m0, m0, m3
>+    pavgw           m0, m2
>+    movu            m1, [r1 + 32]
>+    pmaddubsw       m1, m1, m3
>+    pavgw           m1, m2
>+    packuswb        m0, m1
>+    vpermq          m0, m0, 0xD8
>+    movu            [r0], m0
>+
>+    movu            m0, [r1 + 64]
>+    pmaddubsw       m0, m0, m3
>+    pavgw           m0, m2
>+    movu            m1, [r1 + 96]
>+    pmaddubsw       m1, m1, m3
>+    pavgw           m1, m2
>+    packuswb        m0, m1
>+    vpermq          m0, m0, 0xD8
>+    movu            [r0 + 32], m0
>+    RET
>+%endif
>+
> ;-----------------------------------------------------------------
> ; void scale2D_64to32(pixel *dst, pixel *src, intptr_t stride)
> ;-----------------------------------------------------------------
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