[x265] [PATCH Review Only] asm: chroma_hpp[4x4] for colorspace i420 in avx2 improve 217c->192c
aasaipriya at multicorewareinc.com
aasaipriya at multicorewareinc.com
Wed Dec 10 11:59:21 CET 2014
# HG changeset patch
# User Aasaipriya Chandran <aasaipriya at multicorewareinc.com>
# Date 1418209141 -19800
# Wed Dec 10 16:29:01 2014 +0530
# Node ID 0afb5685cab0ea8a12164d64684d599d5cfe3678
# Parent 29489f2fc2c7edfeb56bb0f6421d19f14d25491a
asm: chroma_hpp[4x4] for colorspace i420 in avx2 improve 217c->192c
diff -r 29489f2fc2c7 -r 0afb5685cab0 source/common/x86/asm-primitives.cpp
--- a/source/common/x86/asm-primitives.cpp Tue Dec 09 12:54:40 2014 -0600
+++ b/source/common/x86/asm-primitives.cpp Wed Dec 10 16:29:01 2014 +0530
@@ -1874,6 +1874,7 @@
p.luma_hpp[LUMA_48x64] = x265_interp_8tap_horiz_pp_48x64_avx2;
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.luma_vpp[LUMA_4x4] = x265_interp_8tap_vert_pp_4x4_avx2;
diff -r 29489f2fc2c7 -r 0afb5685cab0 source/common/x86/ipfilter8.asm
--- a/source/common/x86/ipfilter8.asm Tue Dec 09 12:54:40 2014 -0600
+++ b/source/common/x86/ipfilter8.asm Wed Dec 10 16:29:01 2014 +0530
@@ -179,6 +179,8 @@
const interp4_shuf, times 2 db 0, 1, 8, 9, 4, 5, 12, 13, 2, 3, 10, 11, 6, 7, 14, 15
+interp4_hpp_shuf: times 2 db 0, 1, 2, 3, 1, 2, 3, 4, 2, 3, 4, 5, 3, 4, 5, 6
+
SECTION .text
cextern pb_128
@@ -1403,6 +1405,51 @@
jnz .loop
RET
+INIT_YMM avx2
+cglobal interp_4tap_horiz_pp_4x4, 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]
+
+ ; register map
+ ; m0 - interpolate coeff
+ ; m1 - shuffle order table
+ ; m2 - constant word 1
+
+ dec r0
+
+ ; Row 0-1
+ vbroadcasti128 m3, [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, [interp4_hpp_shuf]
+ pmaddubsw m3, m0
+ pmaddwd m3, m2
+
+ ; Row 2-3
+ lea r0, [r0 + r1 * 2]
+ vbroadcasti128 m4, [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, [interp4_hpp_shuf]
+ pmaddubsw m4, m0
+ pmaddwd m4, m2
+
+ packssdw m3, m4
+ pmulhrsw m3, [pw_512]
+ vextracti128 xm4, m3, 1
+ packuswb xm3, xm4
+ lea r0, [r3 * 3]
+ movd [r2], xm3
+ pextrd [r2+r3], xm3, 2
+ pextrd [r2+r3*2], xm3, 1
+ pextrd [r2+r0], xm3, 3
+ RET
+
;--------------------------------------------------------------------------------------------------------------
; void interp_8tap_horiz_pp_%1x%2(pixel *src, intptr_t srcStride, pixel *dst, intptr_t dstStride, int coeffIdx)
;--------------------------------------------------------------------------------------------------------------
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