[x265] [PATCH] asm-avx2: filter_p2s[4x4](2.26x), filter_p2s[4x8](3.01x), filter_p2s[4x16](3.00x)

[rajesh at multicorewareinc.com]

# HG changeset patch
# User Rajesh Paulraj<rajesh at multicorewareinc.com>
# Date 1425884017 -19800
#      Mon Mar 09 12:23:37 2015 +0530
# Node ID 7e7f03a4089255c3d2b46d536ff203653510bf3d
# Parent  38ea9788d3e652d6fd53518b3943b636d55bb0b4
asm-avx2: filter_p2s[4x4](2.26x), filter_p2s[4x8](3.01x), filter_p2s[4x16](3.00x)

diff -r 38ea9788d3e6 -r 7e7f03a40892 source/common/x86/asm-primitives.cpp
--- a/source/common/x86/asm-primitives.cpp	Mon Mar 09 11:09:50 2015 +0530
+++ b/source/common/x86/asm-primitives.cpp	Mon Mar 09 12:23:37 2015 +0530
@@ -1479,6 +1479,10 @@
         p.cu[BLOCK_16x16].calcresidual = x265_getResidual16_avx2;
         p.cu[BLOCK_32x32].calcresidual = x265_getResidual32_avx2;
 
+        p.pu[LUMA_4x4].filter_p2s = x265_pixelToShort_4x4_avx2;
+        p.pu[LUMA_4x8].filter_p2s = x265_pixelToShort_4x8_avx2;
+        p.pu[LUMA_4x16].filter_p2s = x265_pixelToShort_4x16_avx2;
+
         p.scale1D_128to64 = x265_scale1D_128to64_avx2;
         p.weight_pp = x265_weight_pp_avx2;
 
diff -r 38ea9788d3e6 -r 7e7f03a40892 source/common/x86/ipfilter8.asm
--- a/source/common/x86/ipfilter8.asm	Mon Mar 09 11:09:50 2015 +0530
+++ b/source/common/x86/ipfilter8.asm	Mon Mar 09 12:23:37 2015 +0530
@@ -5875,6 +5875,51 @@
 PIXEL_WH_4xN 4, 4
 PIXEL_WH_4xN 4, 8
 PIXEL_WH_4xN 4, 16
+
+;-----------------------------------------------------------------------------
+; void pixelToShort(pixel *src, intptr_t srcStride, int16_t *dst)
+;-----------------------------------------------------------------------------
+%macro P2S_H_4xN_avx2 1
+INIT_YMM avx2
+cglobal pixelToShort_4x%1, 3, 5, 6
+
+    ; load height
+    mov             r3d, %1
+
+    ; load constant
+    vbroadcasti128  m4, [pb_128]
+    vbroadcasti128  m5, [tab_c_64_n64]
+
+%rep %1 / 4
+    movd            xm0, [r0]
+    movd            xm1, [r0 + r1]
+    movd            xm2, [r0 + r1 * 2]
+    lea             r4, [r0 + r1 * 2]
+    movd            xm3, [r4 + r1]
+
+    punpckldq       m0, m0, m1
+    punpckldq       m2, m2 , m3
+    punpcklbw       m0, m4
+    punpcklbw       m2, m4
+    vinserti128     m2, m0, xm2, 1
+    pmaddubsw       m2,m5  
+
+    movq            [r2 + FENC_STRIDE * 0], xm2
+    movhps          [r2 + FENC_STRIDE * 2], xm2
+    vextracti128    xm2, m2, 1
+    movq            [r2 + FENC_STRIDE * 4], xm2
+    movhps          [r2 + FENC_STRIDE * 6], xm2
+
+    lea             r0, [r0 + r1 * 4]
+    add             r2, FENC_STRIDE * 8
+
+%endrep
+    RET
+%endmacro
+P2S_H_4xN_avx2 4
+P2S_H_4xN_avx2 8
+P2S_H_4xN_avx2 16
+
 ;-----------------------------------------------------------------------------
 ; void pixelToShort(pixel *src, intptr_t srcStride, int16_t *dst)
 ;-----------------------------------------------------------------------------
diff -r 38ea9788d3e6 -r 7e7f03a40892 source/common/x86/ipfilter8.h
--- a/source/common/x86/ipfilter8.h	Mon Mar 09 11:09:50 2015 +0530
+++ b/source/common/x86/ipfilter8.h	Mon Mar 09 12:23:37 2015 +0530
@@ -646,6 +646,10 @@
 void x265_pixelToShort_24x32_ssse3(const pixel* src, intptr_t srcStride, int16_t* dst);
 void x265_pixelToShort_48x64_ssse3(const pixel* src, intptr_t srcStride, int16_t* dst);
 
+void x265_pixelToShort_4x4_avx2(const pixel* src, intptr_t srcStride, int16_t* dst);
+void x265_pixelToShort_4x8_avx2(const pixel* src, intptr_t srcStride, int16_t* dst);
+void x265_pixelToShort_4x16_avx2(const pixel* src, intptr_t srcStride, int16_t* dst);
+
 #undef LUMA_FILTERS
 #undef LUMA_SP_FILTERS
 #undef LUMA_SS_FILTERS