[x265] [PATCH Review Only] chroma_hpp[16x16] for colorspace i420 in avx2: improve 1540c->1246c
aasaipriya at multicorewareinc.com
aasaipriya at multicorewareinc.com
Thu Dec 4 10:28:12 CET 2014
# HG changeset patch
# User Aasaipriya Chandran <aasaipriya at multicorewareinc.com>
# Date 1417684686 -19800
# Thu Dec 04 14:48:06 2014 +0530
# Node ID ada9f34f4a7cc59e101d8af0e6dcac016048308c
# Parent 952f1013ee0ca5aaa25cb597990542fc8dfa8a52
chroma_hpp[16x16] for colorspace i420 in avx2: improve 1540c->1246c
diff -r 952f1013ee0c -r ada9f34f4a7c source/common/x86/asm-primitives.cpp
--- a/source/common/x86/asm-primitives.cpp Thu Dec 04 14:42:09 2014 +0530
+++ b/source/common/x86/asm-primitives.cpp Thu Dec 04 14:48:06 2014 +0530
@@ -1822,6 +1822,8 @@
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;
}
#endif // if HIGH_BIT_DEPTH
diff -r 952f1013ee0c -r ada9f34f4a7c source/common/x86/ipfilter8.asm
--- a/source/common/x86/ipfilter8.asm Thu Dec 04 14:42:09 2014 +0530
+++ b/source/common/x86/ipfilter8.asm Thu Dec 04 14:48:06 2014 +0530
@@ -1243,6 +1243,54 @@
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
+
+ movu m1, [tab_Tm]
+ vpbroadcastd m2, [pw_1]
+
+ ; register map
+ ; m0 - interpolate coeff
+ ; m1 - shuffle order table
+ ; m2 - constant word 1
+
+ mov r4d, 16
+ sub r0, 1
+
+ .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]
+ vextracti128 xm4, m3, 1
+ packuswb xm3, xm4
+ pshufd xm3, xm3, 11011000b
+
+ movu [r2], xm3
+ lea r0, [r0 + r1]
+ lea r2, [r2 + r3]
+ 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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