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

[dave]

On 03/04/2015 07:12 PM, Steve Borho wrote:
> On 03/04, 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
> this one is missing a funcdef
The funcdef is in the 8-bit patch
>
>> 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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