[x265] [PATCH] asm:intra pred planar8 sse2 high bit

[chen]

right

At 2015-03-05 07:54:17,dtyx265 at gmail.com wrote:
># HG changeset patch
># User David T Yuen <dtyx265 at gmail.com>
># Date 1425513096 28800
># Node ID 243cb00021a3bbc3184cbc2b27a5dbe56d745c51
># Parent  bf095f7deed80f741663edae2b3a90bb4f63a980
>asm:intra pred planar8 sse2 high bit
>
>This replaces c code for systems using ssse3 to sse2 processors
>The code is backported from intrapred planar8 sse4 high bit
>
>./test/TestBench --testbench intrapred | grep intra_planar_8x8
>intra_planar_8x8	3.52x 	 897.48   	 3158.02
>
>note: The sse4 code that this is based on only uses up to sse2 and can probably be improved
>
>diff -r bf095f7deed8 -r 243cb00021a3 source/common/x86/asm-primitives.cpp
>--- a/source/common/x86/asm-primitives.cpp	Tue Mar 03 18:43:49 2015 -0800
>+++ b/source/common/x86/asm-primitives.cpp	Wed Mar 04 15:51:36 2015 -0800
>@@ -874,6 +874,7 @@
>         p.cu[BLOCK_32x32].intra_pred[DC_IDX] = x265_intra_pred_dc32_sse2;
> 
>         p.cu[BLOCK_4x4].intra_pred[PLANAR_IDX] = x265_intra_pred_planar4_sse2;
>+        p.cu[BLOCK_8x8].intra_pred[PLANAR_IDX] = x265_intra_pred_planar8_sse2;
> 
>         p.cu[BLOCK_4x4].sse_ss = x265_pixel_ssd_ss_4x4_mmx2;
>         ALL_LUMA_CU(sse_ss, pixel_ssd_ss, sse2);
>diff -r bf095f7deed8 -r 243cb00021a3 source/common/x86/intrapred16.asm
>--- a/source/common/x86/intrapred16.asm	Tue Mar 03 18:43:49 2015 -0800
>+++ b/source/common/x86/intrapred16.asm	Wed Mar 04 15:51:36 2015 -0800
>@@ -496,6 +496,57 @@
>     movh            [r0 + r1 * 2], m1
>     RET
> 
>+;---------------------------------------------------------------------------------------
>+; void intra_pred_planar(pixel* dst, intptr_t dstStride, pixel*srcPix, int, int filter)
>+;---------------------------------------------------------------------------------------
>+INIT_XMM sse2
>+cglobal intra_pred_planar8, 3,3,5
>+    movu            m1, [r2 + 2]
>+    movu            m2, [r2 + 34]
>+
>+    movd            m3, [r2 + 18]           ; topRight   = above[8];
>+    movd            m4, [r2 + 50]           ; bottomLeft = left[8];
>+
>+    pshuflw         m3, m3, 0
>+    pshuflw         m4, m4, 0
>+    pshufd          m3, m3, 0               ; v_topRight
>+    pshufd          m4, m4, 0               ; v_bottomLeft
>+
>+    pmullw          m3, [multiL]            ; (x + 1) * topRight
>+    pmullw          m0, m1, [pw_planar8_1]  ; (blkSize - 1 - y) * above[x]
>+    paddw           m3, [pw_8]
>+    paddw           m3, m4
>+    paddw           m3, m0
>+    psubw           m4, m1
>+
>+%macro INTRA_PRED_PLANAR_8 1
>+%if (%1 < 4)
>+    pshuflw         m1, m2, 0x55 * %1
>+    pshufd          m1, m1, 0
>+%else
>+    pshufhw         m1, m2, 0x55 * (%1 - 4)
>+    pshufd          m1, m1, 0xAA
>+%endif
>+    pmullw          m1, [pw_planar8_0]
>+    paddw           m1, m3
>+    psraw           m1, 4
>+    movu            [r0], m1
>+%if (%1 < 7)
>+    paddw           m3, m4
>+    lea             r0, [r0 + r1 * 2]
>+%endif
>+%endmacro
>+
>+    INTRA_PRED_PLANAR_8 0
>+    INTRA_PRED_PLANAR_8 1
>+    INTRA_PRED_PLANAR_8 2
>+    INTRA_PRED_PLANAR_8 3
>+    INTRA_PRED_PLANAR_8 4
>+    INTRA_PRED_PLANAR_8 5
>+    INTRA_PRED_PLANAR_8 6
>+    INTRA_PRED_PLANAR_8 7
>+    RET
>+
> ;-----------------------------------------------------------------------------------
> ; void intra_pred_dc(pixel* dst, intptr_t dstStride, pixel* above, int, int filter)
> ;-----------------------------------------------------------------------------------
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