[x265] [PATCH] asm: chroma_hpp[4x8, 4x16] for i420 avx2 - improved 346c->322c, 610c->586c

[chen]

right

At 2015-03-12 18:08:03,aasaipriya at multicorewareinc.com wrote:
># HG changeset patch
># User Aasaipriya Chandran <aasaipriya at multicorewareinc.com>
># Date 1426154871 -19800
>#      Thu Mar 12 15:37:51 2015 +0530
># Node ID 98ef176469d644d04c000365e35b814fb46e5fee
># Parent  278721e3bf03c19d5a4f893cda5b14675a124096
>asm: chroma_hpp[4x8, 4x16] for i420 avx2 - improved 346c->322c, 610c->586c
>
>diff -r 278721e3bf03 -r 98ef176469d6 source/common/x86/asm-primitives.cpp
>--- a/source/common/x86/asm-primitives.cpp	Thu Mar 12 15:31:42 2015 +0530
>+++ b/source/common/x86/asm-primitives.cpp	Thu Mar 12 15:37:51 2015 +0530
>@@ -1587,6 +1587,8 @@
>         p.chroma[X265_CSP_I420].pu[CHROMA_420_16x16].filter_hpp = x265_interp_4tap_horiz_pp_16x16_avx2;
> 
>         p.chroma[X265_CSP_I420].pu[CHROMA_420_4x2].filter_hpp = x265_interp_4tap_horiz_pp_4x2_avx2;
>+        p.chroma[X265_CSP_I420].pu[CHROMA_420_4x8].filter_hpp = x265_interp_4tap_horiz_pp_4x8_avx2;
>+        p.chroma[X265_CSP_I420].pu[CHROMA_420_4x16].filter_hpp = x265_interp_4tap_horiz_pp_4x16_avx2;
> 
>         p.chroma[X265_CSP_I420].pu[CHROMA_420_32x32].filter_hps = x265_interp_4tap_horiz_ps_32x32_avx2;
>         p.chroma[X265_CSP_I420].pu[CHROMA_420_16x16].filter_hps = x265_interp_4tap_horiz_ps_16x16_avx2;
>diff -r 278721e3bf03 -r 98ef176469d6 source/common/x86/ipfilter8.asm
>--- a/source/common/x86/ipfilter8.asm	Thu Mar 12 15:31:42 2015 +0530
>+++ b/source/common/x86/ipfilter8.asm	Thu Mar 12 15:37:51 2015 +0530
>@@ -1573,6 +1573,68 @@
>     pextrd            [r2+r3],      xm3,     2
>     RET
> 
>+;-------------------------------------------------------------------------------------------------------------
>+; void interp_4tap_horiz_pp_4xN(pixel *src, intptr_t srcStride, int16_t *dst, intptr_t dstStride, int coeffIdx
>+;-------------------------------------------------------------------------------------------------------------
>+%macro IPFILTER_CHROMA_PP_4xN_AVX2 2
>+INIT_YMM avx2 
>+cglobal interp_4tap_horiz_pp_%1x%2, 4,6,6
>+    mov             r4d, r4m
>+
>+%ifdef PIC
>+    lea               r5,           [tab_ChromaCoeff]
>+    vpbroadcastd      m0,           [r5 + r4 * 4]
>+%else
>+    vpbroadcastd      m0,           [tab_ChromaCoeff + r4 * 4]
>+%endif
>+
>+    vpbroadcastd      m2,           [pw_1]
>+    vbroadcasti128    m1,           [tab_Tm]
>+    mov               r4d,          %2
>+    ; register map
>+    ; m0 - interpolate coeff
>+    ; m1 - shuffle order table
>+    ; m2 - constant word 1
>+
>+    dec                r0
>+
>+.loop
>+    sub               r4d,          4
>+    ; Row 0-1
>+    movu              xm3,          [r0]                        ; [x x x x x A 9 8 7 6 5 4 3 2 1 0]
>+    vinserti128       m3,           m3,      [r0 + r1],     1
>+    pshufb            m3,           m1
>+    pmaddubsw         m3,           m0
>+    pmaddwd           m3,           m2
>+
>+    ; Row 2-3
>+    lea               r0,           [r0 + r1 * 2]
>+    movu              xm4,          [r0]                      ; [x x x x x A 9 8 7 6 5 4 3 2 1 0]
>+    vinserti128       m4,           m4,      [r0 + r1],     1
>+    pshufb            m4,           m1
>+    pmaddubsw         m4,           m0
>+    pmaddwd           m4,           m2
>+
>+    packssdw          m3,           m4
>+    pmulhrsw          m3,           [pw_512]
>+    vextracti128      xm4,          m3,                     1
>+    packuswb          xm3,          xm4
>+
>+    movd              [r2],         xm3
>+    pextrd            [r2+r3],      xm3,                    2
>+    lea               r2,           [r2 + r3 * 2]
>+    pextrd            [r2],         xm3,                    1
>+    pextrd            [r2+r3],      xm3,                    3
>+
>+    lea               r0,           [r0 + r1 * 2]
>+    lea               r2,           [r2 + r3 * 2]
>+    test              r4d,          r4d
>+    jnz               .loop
>+    RET
>+%endmacro
>+
>+IPFILTER_CHROMA_PP_4xN_AVX2  4 , 8
>+IPFILTER_CHROMA_PP_4xN_AVX2  4 , 16
> INIT_YMM avx2
> cglobal interp_4tap_horiz_pp_32x32, 4,6,7
>     mov             r4d, r4m
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