[x265] [PATCH] 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 1425897724 -19800
#      Mon Mar 09 16:12:04 2015 +0530
# Node ID eb66c664cd8293c78886c13cd006c9dca2dd0fc1
# Parent  516877467b23101b718e5f62397f52d3014c81bb
chroma_hps[16x16]for i420 avx2 asm code: 1624c->1093c

diff -r 516877467b23 -r eb66c664cd82 source/common/x86/asm-primitives.cpp
--- a/source/common/x86/asm-primitives.cpp	Mon Mar 09 16:09:32 2015 +0530
+++ b/source/common/x86/asm-primitives.cpp	Mon Mar 09 16:12:04 2015 +0530
@@ -1793,6 +1793,7 @@
 
         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_8x8].filter_hps = x265_interp_4tap_horiz_ps_8x8_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 516877467b23 -r eb66c664cd82 source/common/x86/ipfilter8.asm
--- a/source/common/x86/ipfilter8.asm	Mon Mar 09 16:09:32 2015 +0530
+++ b/source/common/x86/ipfilter8.asm	Mon Mar 09 16:12:04 2015 +0530
@@ -1876,6 +1876,58 @@
     movu             [r2],         xm3
 .end
    RET
+
+INIT_YMM avx2 
+cglobal interp_4tap_horiz_ps_16x16, 4,7,6
+    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
+
+    vbroadcasti128     m2,           [pw_1]
+    vbroadcasti128     m5,           [pw_2000]
+    mova               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                 .loop
+    sub                r0 ,         r1
+    add                r6d ,        3
+
+.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
+    psubw             m3,           m5
+
+    vpermq            m3,           m3,          11011000b
+    movu             [r2],         m3
+
+    lea               r2,           [r2 + r3]
+    lea               r0,           [r0 + r1]
+    dec               r6d
+    jnz                .loop
+   RET
+
 ;-----------------------------------------------------------------------------------------------------------------------------
 ;void interp_horiz_ps_c(const pixel* src, intptr_t srcStride, int16_t* dst, intptr_t dstStride, int coeffIdx, int isRowExt)
 ;-----------------------------------------------------------------------------------------------------------------------------