[x265] [PATCH 03 of 11] asm: intra_pred_ang4_33 improved by ~44% over SSE4

[praveen at multicorewareinc.com]

# HG changeset patch
# User Praveen Tiwari <praveen at multicorewareinc.com>
# Date 1427953090 -19800
#      Thu Apr 02 11:08:10 2015 +0530
# Node ID ac65d39da56579d6b45ac09c0ed7a55af4ff1856
# Parent  46a501f29b887264074341b1432135e5539d27c5
asm: intra_pred_ang4_33 improved by ~44% over SSE4

AVX2:
intra_ang_4x4[33]       8.42x    94.09           792.57

SSE4:
intra_ang_4x4[33]       4.71x    167.48          788.59

diff -r 46a501f29b88 -r ac65d39da565 source/common/x86/asm-primitives.cpp
--- a/source/common/x86/asm-primitives.cpp	Thu Apr 02 10:47:20 2015 +0530
+++ b/source/common/x86/asm-primitives.cpp	Thu Apr 02 11:08:10 2015 +0530
@@ -1612,6 +1612,7 @@
         p.cu[BLOCK_4x4].intra_pred[30] = x265_intra_pred_ang4_30_avx2;
         p.cu[BLOCK_4x4].intra_pred[31] = x265_intra_pred_ang4_31_avx2;
         p.cu[BLOCK_4x4].intra_pred[32] = x265_intra_pred_ang4_32_avx2;
+        p.cu[BLOCK_4x4].intra_pred[33] = x265_intra_pred_ang4_33_avx2;
         p.cu[BLOCK_8x8].intra_pred[3] = x265_intra_pred_ang8_3_avx2;
         p.cu[BLOCK_8x8].intra_pred[33] = x265_intra_pred_ang8_33_avx2;
         p.cu[BLOCK_8x8].intra_pred[4] = x265_intra_pred_ang8_4_avx2;
diff -r 46a501f29b88 -r ac65d39da565 source/common/x86/intrapred.h
--- a/source/common/x86/intrapred.h	Thu Apr 02 10:47:20 2015 +0530
+++ b/source/common/x86/intrapred.h	Thu Apr 02 11:08:10 2015 +0530
@@ -180,6 +180,7 @@
 void x265_intra_pred_ang4_30_avx2(pixel* dst, intptr_t dstStride, const pixel* srcPix, int dirMode, int bFilter);
 void x265_intra_pred_ang4_31_avx2(pixel* dst, intptr_t dstStride, const pixel* srcPix, int dirMode, int bFilter);
 void x265_intra_pred_ang4_32_avx2(pixel* dst, intptr_t dstStride, const pixel* srcPix, int dirMode, int bFilter);
+void x265_intra_pred_ang4_33_avx2(pixel* dst, intptr_t dstStride, const pixel* srcPix, int dirMode, int bFilter);
 void x265_intra_pred_ang8_3_avx2(pixel* dst, intptr_t dstStride, const pixel* srcPix, int dirMode, int bFilter);
 void x265_intra_pred_ang8_33_avx2(pixel* dst, intptr_t dstStride, const pixel* srcPix, int dirMode, int bFilter);
 void x265_intra_pred_ang8_4_avx2(pixel* dst, intptr_t dstStride, const pixel* srcPix, int dirMode, int bFilter);
diff -r 46a501f29b88 -r ac65d39da565 source/common/x86/intrapred8.asm
--- a/source/common/x86/intrapred8.asm	Thu Apr 02 10:47:20 2015 +0530
+++ b/source/common/x86/intrapred8.asm	Thu Apr 02 11:08:10 2015 +0530
@@ -515,6 +515,7 @@
 intra_pred4_shuff1:      db 0, 1, 1, 2, 2, 3, 3, 4, 0, 1, 1, 2, 2, 3, 3, 4, 0, 1, 1, 2, 2, 3, 3, 4, 1, 2, 2, 3, 3, 4, 4, 5
 intra_pred4_shuff2:      db 0, 1, 1, 2, 2, 3, 3, 4, 0, 1, 1, 2, 2, 3, 3, 4, 1, 2, 2, 3, 3, 4, 4, 5, 1, 2, 2, 3, 3, 4, 4, 5
 intra_pred4_shuff31:     db 0, 1, 1, 2, 2, 3, 3, 4, 1, 2, 2, 3, 3, 4, 4, 5, 1, 2, 2, 3, 3, 4, 4, 5, 2, 3, 3, 4, 4, 5, 5, 6
+intra_pred4_shuff33:     db 0, 1, 1, 2, 2, 3, 3, 4, 1, 2, 2, 3, 3, 4, 4, 5, 2, 3, 3, 4, 4, 5, 5, 6, 3, 4, 4, 5, 5, 6, 6, 7
 
 c_ang4_mode_27:          db 30, 2, 30, 2, 30, 2, 30, 2, 28, 4, 28, 4, 28, 4, 28, 4, 26, 6, 26, 6, 26, 6, 26, 6, 24, 8, 24, 8, 24, 8, 24, 8
 c_ang4_mode_28:          db 27, 5, 27, 5, 27, 5, 27, 5, 22, 10, 22, 10, 22, 10, 22, 10, 17, 15, 17, 15, 17, 15, 17, 15, 12, 20, 12, 20, 12, 20, 12, 20
@@ -522,6 +523,7 @@
 c_ang4_mode_30:          db 19, 13, 19, 13, 19, 13, 19, 13, 6, 26, 6, 26, 6, 26, 6, 26, 25, 7, 25, 7, 25, 7, 25, 7, 12, 20, 12, 20, 12, 20, 12, 20
 c_ang4_mode_31:          db 15, 17, 15, 17, 15, 17, 15, 17, 30, 2, 30, 2, 30, 2, 30, 2, 13, 19, 13, 19, 13, 19, 13, 19, 28, 4, 28, 4, 28, 4, 28, 4
 c_ang4_mode_32:          db 11, 21, 11, 21, 11, 21, 11, 21, 22, 10, 22, 10, 22, 10, 22, 10, 1, 31, 1, 31, 1, 31, 1, 31, 12, 20, 12, 20, 12, 20, 12, 20
+c_ang4_mode_33:          db 6, 26, 6, 26, 6, 26, 6, 26, 12, 20, 12, 20, 12, 20, 12, 20, 18, 14, 18, 14, 18, 14, 18, 14, 24, 8, 24, 8, 24, 8, 24, 8
 
 ALIGN 32
 ;; (blkSize - 1 - x)
@@ -15578,3 +15580,19 @@
     movd              [r0], xm0
     pextrd            [r0 + r1], xm0, 1
     RET
+
+INIT_YMM avx2
+cglobal intra_pred_ang4_33, 3, 3, 1
+    vbroadcasti128    m0, [r2 + 1]
+    pshufb            m0, [intra_pred4_shuff33]
+    pmaddubsw         m0, [c_ang4_mode_33]
+    pmulhrsw          m0, [pw_1024]
+    packuswb          m0, m0
+
+    movd              [r0], xm0
+    pextrd            [r0 + r1], xm0, 1
+    vextracti128      xm0, m0, 1
+    lea               r0, [r0 + 2 * r1]
+    movd              [r0], xm0
+    pextrd            [r0 + r1], xm0, 1
+    RET