[x265] [PATCH Review only] asm: code for transpose4x4 routine

[chen]

good!


At 2013-11-18 22:24:12,murugan at multicorewareinc.com wrote:
># HG changeset patch
># User Murugan Vairavel <murugan at multicorewareinc.com>
># Date 1384784621 -19800
>#      Mon Nov 18 19:53:41 2013 +0530
># Node ID d24c22e915afd33a122326516b41eecf7e055934
># Parent  a4735d0fe4759c72a3af408a43723f219688eeb4
>asm: code for transpose4x4 routine
>
>diff -r a4735d0fe475 -r d24c22e915af source/common/x86/asm-primitives.cpp
>--- a/source/common/x86/asm-primitives.cpp	Mon Nov 18 18:59:20 2013 +0530
>+++ b/source/common/x86/asm-primitives.cpp	Mon Nov 18 19:53:41 2013 +0530
>@@ -545,6 +545,7 @@
>         p.calcrecon[BLOCK_8x8] = x265_calcRecons8_sse2;
>         p.calcresidual[BLOCK_4x4] = x265_getResidual4_sse2;
>         p.calcresidual[BLOCK_8x8] = x265_getResidual8_sse2;
>+        p.transpose[BLOCK_4x4] = x265_transpose4_sse2;
>     }
>     if (cpuMask & X265_CPU_SSSE3)
>     {
>diff -r a4735d0fe475 -r d24c22e915af source/common/x86/pixel-a.asm
>--- a/source/common/x86/pixel-a.asm	Mon Nov 18 18:59:20 2013 +0530
>+++ b/source/common/x86/pixel-a.asm	Mon Nov 18 19:53:41 2013 +0530
>@@ -8340,3 +8340,25 @@
>     jnz    .loop
> 
> RET
>+
>+;-----------------------------------------------------------------
>+; void transpose_4x4(pixel *dst, pixel *src, intptr_t stride)
>+;-----------------------------------------------------------------
>+INIT_XMM sse2
>+cglobal transpose4, 3, 3, 4, dest, src, stride
>+
>+    movd         m0,    [r1]
>+    movd         m1,    [r1 + r2]
>+    movd         m2,    [r1 + 2 * r2]
>+
>+    lea          r1,    [r1 + 2 * r2]
>+
>+    movd         m3,    [r1 + r2]
>+
>+    punpcklbw    m0,    m1
>+    punpcklbw    m2,    m3
>+    punpcklwd    m0,    m2
>+
>+    movu         [r0],    m0
>+
>+RET
>diff -r a4735d0fe475 -r d24c22e915af source/common/x86/pixel.h
>--- a/source/common/x86/pixel.h	Mon Nov 18 18:59:20 2013 +0530
>+++ b/source/common/x86/pixel.h	Mon Nov 18 19:53:41 2013 +0530
>@@ -365,5 +365,6 @@
> void x265_getResidual8_sse2(pixel *fenc, pixel *pred, int16_t *residual, intptr_t stride);
> void x265_getResidual16_sse4(pixel *fenc, pixel *pred, int16_t *residual, intptr_t stride);
> void x265_getResidual32_sse4(pixel *fenc, pixel *pred, int16_t *residual, intptr_t stride);
>+void x265_transpose4_sse2(pixel *dest, pixel *src, intptr_t stride);
> 
> #endif // ifndef X265_I386_PIXEL_H
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