<div style="line-height:1.7;color:#000000;font-size:14px;font-family:arial"><div><br> </div><pre><br>At 2014-11-12 18:56:45,aasaipriya@multicorewareinc.com wrote:
># HG changeset patch
># User Aasaipriya
># Date 1415788047 -19800
># Wed Nov 12 15:57:27 2014 +0530
># Node ID f0a17f2b4c22ff8aa05afb40e3360e5ac03590a6
># Parent 98fb658f3229ab10e808204c265a12e18d71638e
>Luma_hpp[16x16] avx2 asm code : improved 2307c->1695c
>
>diff -r 98fb658f3229 -r f0a17f2b4c22 source/common/x86/asm-primitives.cpp
>--- a/source/common/x86/asm-primitives.cpp Tue Nov 11 19:30:19 2014 +0900
>+++ b/source/common/x86/asm-primitives.cpp Wed Nov 12 15:57:27 2014 +0530
>@@ -1799,6 +1799,7 @@
> p.transpose[BLOCK_64x64] = x265_transpose64_avx2;
> #endif
> p.luma_hpp[LUMA_4x4] = x265_interp_8tap_horiz_pp_4x4_avx2;
>+ p.luma_hpp[LUMA_16x16] = x265_interp_8tap_horiz_pp_16x16_avx2;
> p.luma_vpp[LUMA_4x4] = x265_interp_8tap_vert_pp_4x4_avx2;
> }
> #endif // if HIGH_BIT_DEPTH
>diff -r 98fb658f3229 -r f0a17f2b4c22 source/common/x86/ipfilter8.asm
>--- a/source/common/x86/ipfilter8.asm Tue Nov 11 19:30:19 2014 +0900
>+++ b/source/common/x86/ipfilter8.asm Wed Nov 12 15:57:27 2014 +0530
>@@ -854,6 +854,58 @@
> RET
>
>
>+INIT_YMM avx2
>+cglobal interp_8tap_horiz_pp_16x16, 4,6,8
>+ sub r0, 3
>+ mov r4d, r4m
>+%ifdef PIC
>+ lea r5, [tab_LumaCoeff]
>+ vpbroadcastd m0, [r5 + r4 * 8]
>+ vpbroadcastd m1, [r5 + r4 * 8 + 4]
>+%else
>+ vpbroadcastd m0, [tab_LumaCoeff + r4 * 8]
>+ vpbroadcastd m1, [tab_LumaCoeff + r4 * 8 + 4]
>+%endif
>+ mova m2, [tab_Tm]
>+ movu m3, [tab_Tm + 16]
>+ vpbroadcastd m7, [pw_1]
>+
>+ ; register map
>+ ; m0 , m1 interpolate coeff
>+ ; m2 , m2 shuffle order table
>+ ; m7 - pw_1
>+
>+ mov r4d, 16
>+.loop:
>+ ; Row 0
>+ vbroadcasti128 m4, [r0] ; [x E D C B A 9 8 7 6 5 4 3 2 1 0]
>+ pshufb m5, m4, m3
>+ pshufb m4, m2
>+ pmaddubsw m4, m0
>+ pmaddubsw m5, m1
>+ paddw m4, m5
>+ pmaddwd m4, m7
>+ vbroadcasti128 m5, [r0 + 8] ; second 8 elements in Row0
>+ pshufb m6, m5, m3
>+ pshufb m5, m2
>+ pmaddubsw m5, m0
>+ pmaddubsw m6, m1
>+ paddw m5, m6
>+ pmaddwd m5, m7
>+ packssdw m4, m5 ; [17 16 15 14 07 06 05 04 13 12 11 10 03 02 01 00]
>+ pmulhrsw m4, [pw_512]
</pre><pre>>+ packuswb m4, m4
>+ vpermq m4, m4, 11011000b
>+ pshufd xm4, xm4, 11011000b
>+ movq [r2], xm4
>+ movhps [r2 + 8], xm4
</pre><pre>why split into two write instruction?</pre><pre> </pre><pre>>+ lea r0, [r0 + r1]
>+ lea r2, [r2 + r3]
</pre><pre>add r0, r1</pre><pre>>+ dec r4d
>+ jnz .loop
>+ RET
</pre></div>