[x265] [PATCH Review Only] asm: chroma_hpp[16x16] for colorspace i420 in avx2 improve 1540c->969c
aasaipriya at multicorewareinc.com
aasaipriya at multicorewareinc.com
Mon Dec 15 09:47:37 CET 2014
# HG changeset patch
# User Aasaipriya Chandran <aasaipriya at multicorewareinc.com>
# Date 1418633240 -19800
# Mon Dec 15 14:17:20 2014 +0530
# Node ID 515fc94b5db9af22b21ab893dd2526184b6a3994
# Parent 7483a6ba07940d085ee040c334d5725c7cbf1e13
asm: chroma_hpp[16x16] for colorspace i420 in avx2 improve 1540c->969c
diff -r 7483a6ba0794 -r 515fc94b5db9 source/common/x86/asm-primitives.cpp
--- a/source/common/x86/asm-primitives.cpp Mon Dec 15 14:12:40 2014 +0530
+++ b/source/common/x86/asm-primitives.cpp Mon Dec 15 14:17:20 2014 +0530
@@ -1876,6 +1876,7 @@
p.chroma[X265_CSP_I420].filter_hpp[CHROMA_8x8] = x265_interp_4tap_horiz_pp_8x8_avx2;
p.chroma[X265_CSP_I420].filter_hpp[CHROMA_4x4] = x265_interp_4tap_horiz_pp_4x4_avx2;
p.chroma[X265_CSP_I420].filter_hpp[CHROMA_32x32] = x265_interp_4tap_horiz_pp_32x32_avx2;
+ p.chroma[X265_CSP_I420].filter_hpp[CHROMA_16x16] = x265_interp_4tap_horiz_pp_16x16_avx2;
p.luma_vpp[LUMA_4x4] = x265_interp_8tap_vert_pp_4x4_avx2;
diff -r 7483a6ba0794 -r 515fc94b5db9 source/common/x86/ipfilter8.asm
--- a/source/common/x86/ipfilter8.asm Mon Dec 15 14:12:40 2014 +0530
+++ b/source/common/x86/ipfilter8.asm Mon Dec 15 14:17:20 2014 +0530
@@ -1511,6 +1511,66 @@
dec r4d
jnz .loop
RET
+
+INIT_YMM avx2
+cglobal interp_4tap_horiz_pp_16x16, 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
+
+ mova m6, [pw_512]
+ mova m1, [interp4_horiz_shuf1]
+ vpbroadcastd m2, [pw_1]
+
+ ; register map
+ ; m0 - interpolate coeff
+ ; m1 - shuffle order table
+ ; m2 - constant word 1
+
+ dec r0
+ mov r4d, 8
+
+.loop:
+ ; Row 0
+ vbroadcasti128 m3, [r0] ; [x x x x x A 9 8 7 6 5 4 3 2 1 0]
+ pshufb m3, m1
+ pmaddubsw m3, m0
+ pmaddwd m3, m2
+ vbroadcasti128 m4, [r0 + 4] ; [x x x x x A 9 8 7 6 5 4 3 2 1 0]
+ pshufb m4, m1
+ pmaddubsw m4, m0
+ pmaddwd m4, m2
+ packssdw m3, m4
+ pmulhrsw m3, m6
+
+ ; Row 1
+ vbroadcasti128 m4, [r0 + r1] ; [x x x x x A 9 8 7 6 5 4 3 2 1 0]
+ pshufb m4, m1
+ pmaddubsw m4, m0
+ pmaddwd m4, m2
+ vbroadcasti128 m5, [r0 + r1 + 4] ; [x x x x x A 9 8 7 6 5 4 3 2 1 0]
+ pshufb m5, m1
+ pmaddubsw m5, m0
+ pmaddwd m5, m2
+ packssdw m4, m5
+ pmulhrsw m4, m6
+
+ packuswb m3, m4
+ vpermq m3, m3, 11011000b
+
+ vextracti128 xm4, m3, 1
+ movu [r2], xm3
+ movu [r2 + r3], xm4
+ lea r2, [r2 + r3 * 2]
+ lea r0, [r0 + r1 * 2]
+ dec r4d
+ jnz .loop
+ RET
;--------------------------------------------------------------------------------------------------------------
; void interp_8tap_horiz_pp_%1x%2(pixel *src, intptr_t srcStride, pixel *dst, intptr_t dstStride, int coeffIdx)
;--------------------------------------------------------------------------------------------------------------
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