[x265] [PATCH 1 of 3] asm: routines for chroma vsp filter functions for all block sizes

[Steve Borho]

On Tue, Nov 12, 2013 at 5:51 AM, Nabajit Deka
<nabajit at multicorewareinc.com>wrote:

> Thanks. I will modify this part in the next commit.
>

was this dealt with?  I did not see another patch


>
>
> On Tue, Nov 12, 2013 at 5:05 PM, chen <chenm003 at 163.com> wrote:
>
>>
>> >+;-------------------------------------------------------------------------------------------------------------------
>>
>> >+; void interp_4tap_vertical_sp_%1x%2(int16_t *src, intptr_t srcStride, pixel *dst, intptr_t dstStride, int coeffIdx)
>>
>> >+;-------------------------------------------------------------------------------------------------------------------
>> >+%macro FILTER_VER_CHROMA_SP_W2_4R 2
>> >+INIT_XMM ssse3
>> >+cglobal interp_4tap_vert_sp_%1x%2, 5, 7, 6
>> >+
>> >+    add       r1d, r1d
>> >+    sub       r0, r1
>> >+    shl       r4d, 5
>> >+
>> >+%ifdef PIC
>> >+    lea       r5, [tab_ChromaCoeffV]
>> >+    lea       r6, [r5 + r4]
>> >+%else
>> >+    lea       r6, [tab_ChromaCoeffV + r4]
>> >+%endif
>> >+
>> >+    mova      m5, [tab_c_526336]
>> >+
>> >+    mov       r4d, (%2/4)
>> >+
>> >+.loopH
>> >+    PROCESS_CHROMA_SP_W2_4R
>> >+
>> >+    paddd     m0, m5
>> >+    paddd     m2, m5
>> >+
>> >+    psrad     m0, 12
>> >+    psrad     m2, 12
>> >+
>> >+    packssdw  m0, m2
>> >+    packuswb  m0, m0
>> >+
>> >+    pextrw    [r2], m0, 0
>> SSE4.1 instruction
>>
>> >+    pextrw    [r2 + r3], m0, 1
>> >+    pextrw    [r2 + 2 * r3], m0, 2
>> >+    lea       r2, [r2 + 2 * r3]
>> >+    pextrw    [r2 + r3], m0, 3
>>
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>>
>
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-- 
Steve Borho
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