[x265] [PATCH] aasm-avx2: intra_pred_ang8_27, 41.42x

[praveen at multicorewareinc.com]

# HG changeset patch
# User Praveen Tiwari <praveen at multicorewareinc.com>
# Date 1425559881 -19800
# Node ID 4deeb4cd656ad7166317f6bd8eeb3fa82154cd39
# Parent  60f49deb3fa58bc35ba6e0557259433c01ee43e6
aasm-avx2: intra_pred_ang8_27, 41.42x

intra_ang_8x8[27]       41.42x   370.06          15326.56

diff -r 60f49deb3fa5 -r 4deeb4cd656a source/common/x86/asm-primitives.cpp
--- a/source/common/x86/asm-primitives.cpp	Thu Mar 05 16:06:04 2015 +0530
+++ b/source/common/x86/asm-primitives.cpp	Thu Mar 05 18:21:21 2015 +0530
@@ -1510,6 +1510,7 @@
         p.cu[BLOCK_8x8].intra_pred[29] = x265_intra_pred_ang8_29_avx2;
         p.cu[BLOCK_8x8].intra_pred[8] = x265_intra_pred_ang8_8_avx2;
         p.cu[BLOCK_8x8].intra_pred[28] = x265_intra_pred_ang8_28_avx2;
+        p.cu[BLOCK_8x8].intra_pred[27] = x265_intra_pred_ang8_27_avx2;
 
         // copy_sp primitives
         p.cu[BLOCK_16x16].copy_sp = x265_blockcopy_sp_16x16_avx2;
diff -r 60f49deb3fa5 -r 4deeb4cd656a source/common/x86/intrapred.h
--- a/source/common/x86/intrapred.h	Thu Mar 05 16:06:04 2015 +0530
+++ b/source/common/x86/intrapred.h	Thu Mar 05 18:21:21 2015 +0530
@@ -173,6 +173,7 @@
 void x265_intra_pred_ang8_29_avx2(pixel* dst, intptr_t dstStride, const pixel* srcPix, int dirMode, int bFilter);
 void x265_intra_pred_ang8_8_avx2(pixel* dst, intptr_t dstStride, const pixel* srcPix, int dirMode, int bFilter);
 void x265_intra_pred_ang8_28_avx2(pixel* dst, intptr_t dstStride, const pixel* srcPix, int dirMode, int bFilter);
+void x265_intra_pred_ang8_27_avx2(pixel* dst, intptr_t dstStride, const pixel* srcPix, int dirMode, int bFilter);
 void x265_all_angs_pred_4x4_sse4(pixel *dest, pixel *refPix, pixel *filtPix, int bLuma);
 void x265_all_angs_pred_8x8_sse4(pixel *dest, pixel *refPix, pixel *filtPix, int bLuma);
 void x265_all_angs_pred_16x16_sse4(pixel *dest, pixel *refPix, pixel *filtPix, int bLuma);
diff -r 60f49deb3fa5 -r 4deeb4cd656a source/common/x86/intrapred8.asm
--- a/source/common/x86/intrapred8.asm	Thu Mar 05 16:06:04 2015 +0530
+++ b/source/common/x86/intrapred8.asm	Thu Mar 05 18:21:21 2015 +0530
@@ -2,6 +2,7 @@
 ;* Copyright (C) 2013 x265 project
 ;*
 ;* Authors: Min Chen <chenm003 at 163.com> <min.chen at multicorewareinc.com>
+;*          Praveen Kumar Tiwari <praveen at multicorewareinc.com>
 ;*
 ;* This program is free software; you can redistribute it and/or modify
 ;* it under the terms of the GNU General Public License as published by
@@ -95,6 +96,11 @@
 c_ang8_25_30:         db 7, 25, 7, 25, 7, 25, 7, 25, 7, 25, 7, 25, 7, 25, 7, 25, 2, 30, 2, 30, 2, 30, 2, 30, 2, 30, 2, 30, 2, 30, 2, 30
 c_ang8_3_8:           db 29, 3, 29, 3, 29, 3, 29, 3, 29, 3, 29, 3, 29, 3, 29, 3, 24, 8, 24, 8, 24, 8, 24, 8, 24, 8, 24, 8, 24, 8, 24, 8
 
+c_ang8_2_4:           db 30, 2, 30, 2, 30, 2, 30, 2, 30, 2, 30, 2, 30, 2, 30, 2, 28, 4, 28, 4, 28, 4, 28, 4, 28, 4, 28, 4, 28, 4, 28, 4
+c_ang8_6_8:           db 26, 6, 26, 6, 26, 6, 26, 6, 26, 6, 26, 6, 26, 6, 26, 6, 24, 8, 24, 8, 24, 8, 24, 8, 24, 8, 24, 8, 24, 8, 24, 8
+c_ang8_10_12:         db 22, 10, 22, 10, 22, 10, 22, 10, 22, 10, 22, 10, 22, 10, 22, 10, 20, 12, 20, 12, 20, 12, 20, 12, 20, 12, 20, 12, 20, 12, 20, 12
+c_ang8_14_16:         db 18, 14, 18, 14, 18, 14, 18, 14, 18, 14, 18, 14, 18, 14, 18, 14, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16
+
 ;; (blkSize - 1 - x)
 pw_planar4_0:         dw 3,  2,  1,  0,  3,  2,  1,  0
 pw_planar4_1:         dw 3,  3,  3,  3,  3,  3,  3,  3
@@ -32975,3 +32981,39 @@
     movhps            [r0 + 2 * r1], xm4
     movhps            [r0 + r3], xm2
     RET
+
+INIT_YMM avx2
+cglobal intra_pred_ang8_27, 3, 4, 6
+    mova              m3, [pw_1024]
+    vbroadcasti128    m0, [r2 + 1]
+    movu              m5, [c_ang8_src1_9_1_9]
+
+    pshufb            m1, m0, m5
+    pshufb            m2, m0, m5
+    pshufb            m4, m0, m5
+    pshufb            m0, m5
+
+    pmaddubsw         m1, [c_ang8_2_4]
+    pmulhrsw          m1, m3
+    pmaddubsw         m2, [c_ang8_6_8]
+    pmulhrsw          m2, m3
+    pmaddubsw         m4, [c_ang8_10_12]
+    pmulhrsw          m4, m3
+    pmaddubsw         m0, [c_ang8_14_16]
+    pmulhrsw          m0, m3
+    packuswb          m1, m2
+    packuswb          m4, m0
+
+    lea               r3, [3 * r1]
+    movq              [r0], xm1
+    vextracti128      xm2, m1, 1
+    movq              [r0 + r1], xm2
+    movhps            [r0 + 2 * r1], xm1
+    movhps            [r0 + r3], xm2
+    lea               r0, [r0 + 4 * r1]
+    movq              [r0], xm4
+    vextracti128      xm2, m4, 1
+    movq              [r0 + r1], xm2
+    movhps            [r0 + 2 * r1], xm4
+    movhps            [r0 + r3], xm2
+    RET