[x265] [PATCH 3 of 3] asm: chroma_hpp[2x16] for i422 - improved 595c->500c

[aasaipriya at multicorewareinc.com]

# HG changeset patch
# User Aasaipriya Chandran <aasaipriya at multicorewareinc.com>
# Date 1429089028 -19800
#      Wed Apr 15 14:40:28 2015 +0530
# Node ID 32f1d60a0e163c371234a89fc88efaca2b1a20cb
# Parent  ad71befbc5eb57cecd53b1a1d16421a9d9863a6f
asm: chroma_hpp[2x16] for i422 - improved 595c->500c

diff -r ad71befbc5eb -r 32f1d60a0e16 source/common/x86/asm-primitives.cpp
--- a/source/common/x86/asm-primitives.cpp	Wed Apr 15 14:39:25 2015 +0530
+++ b/source/common/x86/asm-primitives.cpp	Wed Apr 15 14:40:28 2015 +0530
@@ -2129,6 +2129,7 @@
         //i422 for chroma_hpp
         p.chroma[X265_CSP_I422].pu[CHROMA_422_12x32].filter_hpp = x265_interp_4tap_horiz_pp_12x32_avx2;
         p.chroma[X265_CSP_I422].pu[CHROMA_422_24x64].filter_hpp = x265_interp_4tap_horiz_pp_24x64_avx2;
+        p.chroma[X265_CSP_I422].pu[CHROMA_422_2x16].filter_hpp = x265_interp_4tap_horiz_pp_2x16_avx2;
 
         if ((cpuMask & X265_CPU_BMI1) && (cpuMask & X265_CPU_BMI2))
             p.findPosLast = x265_findPosLast_x64;
diff -r ad71befbc5eb -r 32f1d60a0e16 source/common/x86/ipfilter8.asm
--- a/source/common/x86/ipfilter8.asm	Wed Apr 15 14:39:25 2015 +0530
+++ b/source/common/x86/ipfilter8.asm	Wed Apr 15 14:40:28 2015 +0530
@@ -21903,3 +21903,90 @@
     jnz               .loop
     RET
 
+
+INIT_YMM avx2
+cglobal interp_4tap_horiz_pp_2x16, 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
+
+    mova              m4,            [interp4_hpp_shuf]
+    mova              m5,            [pw_1]
+    dec               r0
+    lea               r4,            [r1 * 3]
+    movq              xm1,           [r0]
+    movhps            xm1,           [r0 + r1]
+    movq              xm2,           [r0 + r1 * 2]
+    movhps            xm2,           [r0 + r4]
+    vinserti128       m1,            m1,          xm2,          1
+    lea               r0,            [r0 + r1 * 4]
+    movq              xm3,           [r0]
+    movhps            xm3,           [r0 + r1]
+    movq              xm2,           [r0 + r1 * 2]
+    movhps            xm2,           [r0 + r4]
+    vinserti128       m3,            m3,          xm2,          1
+
+    pshufb            m1,            m4
+    pshufb            m3,            m4
+    pmaddubsw         m1,            m0
+    pmaddubsw         m3,            m0
+    pmaddwd           m1,            m5
+    pmaddwd           m3,            m5
+    packssdw          m1,            m3
+    pmulhrsw          m1,            [pw_512]
+    vextracti128      xm2,           m1,          1
+    packuswb          xm1,           xm2
+
+    lea               r4,            [r3 * 3]
+    pextrw            [r2],          xm1,         0
+    pextrw            [r2 + r3],     xm1,         1
+    pextrw            [r2 + r3 * 2], xm1,         4
+    pextrw            [r2 + r4],     xm1,         5
+    lea               r2,            [r2 + r3 * 4]
+    pextrw            [r2],          xm1,         2
+    pextrw            [r2 + r3],     xm1,         3
+    pextrw            [r2 + r3 * 2], xm1,         6
+    pextrw            [r2 + r4],     xm1,         7
+    lea               r2,            [r2 + r3 * 4]
+    lea               r0,            [r0 + r1 * 4]
+
+    lea               r4,            [r1 * 3]
+    movq              xm1,           [r0]
+    movhps            xm1,           [r0 + r1]
+    movq              xm2,           [r0 + r1 * 2]
+    movhps            xm2,           [r0 + r4]
+    vinserti128       m1,            m1,          xm2,          1
+    lea               r0,            [r0 + r1 * 4]
+    movq              xm3,           [r0]
+    movhps            xm3,           [r0 + r1]
+    movq              xm2,           [r0 + r1 * 2]
+    movhps            xm2,           [r0 + r4]
+    vinserti128       m3,            m3,          xm2,          1
+
+    pshufb            m1,            m4
+    pshufb            m3,            m4
+    pmaddubsw         m1,            m0
+    pmaddubsw         m3,            m0
+    pmaddwd           m1,            m5
+    pmaddwd           m3,            m5
+    packssdw          m1,            m3
+    pmulhrsw          m1,            [pw_512]
+    vextracti128      xm2,           m1,          1
+    packuswb          xm1,           xm2
+
+    lea               r4,            [r3 * 3]
+    pextrw            [r2],          xm1,         0
+    pextrw            [r2 + r3],     xm1,         1
+    pextrw            [r2 + r3 * 2], xm1,         4
+    pextrw            [r2 + r4],     xm1,         5
+    lea               r2,            [r2 + r3 * 4]
+    pextrw            [r2],          xm1,         2
+    pextrw            [r2 + r3],     xm1,         3
+    pextrw            [r2 + r3 * 2], xm1,         6
+    pextrw            [r2 + r4],     xm1,         7
+    RET