[x265] [PATCH Review Only] chroma_hps[16x16]for i420 avx2 asm code: 1624c->1093c

[aasaipriya at multicorewareinc.com]

# HG changeset patch
# User Aasaipriya Chandran <aasaipriya at multicorewareinc.com>
# Date 1425629985 -19800
#      Fri Mar 06 13:49:45 2015 +0530
# Node ID 52f29a8cdecf7a3b5930b640c2b507c4f11b017a
# Parent  29d4d0251f06777190867d9de35c43379a414342
chroma_hps[16x16]for i420 avx2 asm code: 1624c->1093c

diff -r 29d4d0251f06 -r 52f29a8cdecf source/common/x86/asm-primitives.cpp
--- a/source/common/x86/asm-primitives.cpp	Fri Mar 06 13:46:52 2015 +0530
+++ b/source/common/x86/asm-primitives.cpp	Fri Mar 06 13:49:45 2015 +0530
@@ -1792,6 +1792,7 @@
         p.chroma[X265_CSP_I420].pu[CHROMA_420_16x16].filter_hpp = x265_interp_4tap_horiz_pp_16x16_avx2;
 
         p.chroma[X265_CSP_I420].pu[CHROMA_420_4x4].filter_hps = x265_interp_4tap_horiz_ps_4x4_avx2;
+        p.chroma[X265_CSP_I420].pu[CHROMA_420_16x16].filter_hps = x265_interp_4tap_horiz_ps_16x16_avx2;
 
         p.pu[LUMA_4x4].luma_vps = x265_interp_8tap_vert_ps_4x4_avx2;
 
diff -r 29d4d0251f06 -r 52f29a8cdecf source/common/x86/ipfilter8.asm
--- a/source/common/x86/ipfilter8.asm	Fri Mar 06 13:46:52 2015 +0530
+++ b/source/common/x86/ipfilter8.asm	Fri Mar 06 13:49:45 2015 +0530
@@ -1806,6 +1806,61 @@
     RET
 
 
+;-----------------------------------------------------------------------------------------------------------------------------
+; void interp_4tap_horiz_ps_16x16(pixel *src, intptr_t srcStride, int16_t *dst, intptr_t dstStride, int coeffIdx, int isRowExt)
+;-----------------------------------------------------------------------------------------------------------------------------;
+INIT_YMM avx2 
+cglobal interp_4tap_horiz_ps_16x16, 4,7,5
+    mov             r4d, r4m
+    mov             r5d, r5m
+    add             r3d, r3d
+
+%ifdef PIC
+    lea               r6,           [tab_ChromaCoeff]
+    vpbroadcastd      m0,           [r6 + r4 * 4]
+%else
+    vpbroadcastd      m0,           [tab_ChromaCoeff + r4 * 4]
+%endif
+
+    vpbroadcastd      m2,           [pw_1]
+    movu              m1,           [tab_Tm]
+
+    ; register map
+    ; m0 - interpolate coeff
+    ; m1 - shuffle order table
+    ; m2 - constant word 1
+    mov                r6d,         16
+    dec                r0
+    cmp                r5m,         byte 0
+    je                 .label
+    sub                r0 ,         r1
+    add                r6d ,        3
+
+.label
+    ; 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
+
+    ; Row 1
+    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
+    psubw             m3,           [pw_2000]
+
+    vpermq            m3,           m3,          11011000b
+    movu             [r2],         m3
+
+    lea               r2,           [r2 + r3]
+    lea               r0,           [r0 + r1]
+    dec               r6d
+    jnz                .label
+   RET
+
 ;-----------------------------------------------------------------------------------------------------------------------------
 ;void interp_horiz_ps_c(const pixel* src, intptr_t srcStride, int16_t* dst, intptr_t dstStride, int coeffIdx, int isRowExt)
 ;-----------------------------------------------------------------------------------------------------------------------------