[x265] [PATCH] asm: chroma_hpp[16x16] for colorspace i420 in avx2 improve 1540c->1000c
aasaipriya at multicorewareinc.com
aasaipriya at multicorewareinc.com
Tue Dec 9 10:32:02 CET 2014
# HG changeset patch
# User Aasaipriya Chandran <aasaipriya at multicorewareinc.com>
# Date 1418117443 -19800
# Tue Dec 09 15:00:43 2014 +0530
# Node ID f39fbe401e29e280d05503a518eb25b18b574a60
# Parent 680279f6c90e9dff83624264b24a3577aa48e638
asm: chroma_hpp[16x16] for colorspace i420 in avx2 improve 1540c->1000c
diff -r 680279f6c90e -r f39fbe401e29 source/common/x86/asm-primitives.cpp
--- a/source/common/x86/asm-primitives.cpp Tue Dec 09 12:58:28 2014 +0530
+++ b/source/common/x86/asm-primitives.cpp Tue Dec 09 15:00:43 2014 +0530
@@ -1875,6 +1875,7 @@
p.chroma[X265_CSP_I420].filter_hpp[CHROMA_4x4] = x265_interp_4tap_horiz_pp_4x4_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_16x16] = x265_interp_4tap_horiz_pp_16x16_avx2;
p.luma_vpp[LUMA_4x4] = x265_interp_8tap_vert_pp_4x4_avx2;
diff -r 680279f6c90e -r f39fbe401e29 source/common/x86/ipfilter8.asm
--- a/source/common/x86/ipfilter8.asm Tue Dec 09 12:58:28 2014 +0530
+++ b/source/common/x86/ipfilter8.asm Tue Dec 09 15:00:43 2014 +0530
@@ -1455,6 +1455,70 @@
pextrd [r2+r0], xm3, 3
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
+
+ movu m1, [tab_Tm]
+ vpbroadcastd m2, [pw_1]
+
+ ; register map
+ ; m0 - interpolate coeff
+ ; m1 - shuffle order table
+ ; m2 - constant word 1
+
+ sub r0, 1
+ 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 + 8] ; [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, [pw_512]
+ ;lea r0, [r0 + r1 * 2]
+
+ ; 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 + 8] ; [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, [pw_512]
+
+ packuswb m3, m4
+ mova m5, [interp_4tap_8x8_horiz_shuf]
+ vpermd m3, m5, m3
+ 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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