[x265] [PATCH 4 of 8] asm:intra_pred_ang4_5_sse2

[dtyx265 at gmail.com]

# HG changeset patch
# User David T Yuen <dtyx265 at gmail.com>
# Date 1427140662 25200
# Node ID 19369b122731cd825114718d967c62ade5d7e1df
# Parent  f41f56fc0438049de9c25ef609910af3a22168a4
asm:intra_pred_ang4_5_sse2

This is backported from sse4 code and replaces c code.

64-bit

./test/TestBench --testbench intrapred | grep "intra_ang_4x4\[ 5\]"
intra_ang_4x4[ 5]	2.94x 	 684.47   	 2014.99

32-bit

./test/TestBench --testbench intrapred | grep "intra_ang_4x4\[ 5\]"
intra_ang_4x4[ 5]	3.82x 	 747.48   	 2854.97

diff -r f41f56fc0438 -r 19369b122731 source/common/x86/asm-primitives.cpp
--- a/source/common/x86/asm-primitives.cpp	Mon Mar 23 12:53:22 2015 -0700
+++ b/source/common/x86/asm-primitives.cpp	Mon Mar 23 12:57:42 2015 -0700
@@ -1199,6 +1199,7 @@
         p.cu[BLOCK_4x4].intra_pred[2] = x265_intra_pred_ang4_2_sse2;
         p.cu[BLOCK_4x4].intra_pred[3] = x265_intra_pred_ang4_3_sse2;
         p.cu[BLOCK_4x4].intra_pred[4] = x265_intra_pred_ang4_4_sse2;
+        p.cu[BLOCK_4x4].intra_pred[5] = x265_intra_pred_ang4_5_sse2;
 
         p.cu[BLOCK_4x4].calcresidual = x265_getResidual4_sse2;
         p.cu[BLOCK_8x8].calcresidual = x265_getResidual8_sse2;
diff -r f41f56fc0438 -r 19369b122731 source/common/x86/intrapred.h
--- a/source/common/x86/intrapred.h	Mon Mar 23 12:53:22 2015 -0700
+++ b/source/common/x86/intrapred.h	Mon Mar 23 12:57:42 2015 -0700
@@ -50,6 +50,7 @@
 DECL_ANG(4, 2, sse2);
 DECL_ANG(4, 3, sse2);
 DECL_ANG(4, 4, sse2);
+DECL_ANG(4, 5, sse2);
 
 DECL_ANG(4, 2, ssse3);
 DECL_ANG(4, 3, sse4);
diff -r f41f56fc0438 -r 19369b122731 source/common/x86/intrapred8.asm
--- a/source/common/x86/intrapred8.asm	Mon Mar 23 12:53:22 2015 -0700
+++ b/source/common/x86/intrapred8.asm	Mon Mar 23 12:57:42 2015 -0700
@@ -1240,6 +1240,31 @@
     mova        m7, [r3 +  2 * 16]  ; [20]
     jmp         mangle(private_prefix %+ _ %+ intra_pred_ang4_3 %+ SUFFIX %+ .do_filter4x4)
 
+cglobal intra_pred_ang4_5, 3,5,8
+    xor         r4, r4
+    inc         r4
+    cmp         r3m, byte 31
+    mov         r3, 9
+    cmove       r3, r4
+
+    movh        m0, [r2 + r3]    ; [8 7 6 5 4 3 2 1]
+    mova        m1, m0
+    psrldq      m1, 1           ; [x 8 7 6 5 4 3 2]
+    punpcklbw   m0, m1          ; [x 8 8 7 7 6 6 5 5 4 4 3 3 2 2 1]
+    mova        m1, m0
+    psrldq      m1, 2           ; [x x x x x x x x 6 5 5 4 4 3 3 2]
+    mova        m3, m0
+    psrldq      m3, 4           ; [x x x x x x x x 7 6 6 5 5 4 4 3]
+    punpcklqdq  m0, m1
+    punpcklqdq  m2, m1, m3
+
+    lea         r3, [pw_ang_table + 10 * 16]
+    mova        m4, [r3 +  7 * 16]  ; [17]
+    mova        m5, [r3 -  8 * 16]  ; [ 2]
+    mova        m6, [r3 +  9 * 16]  ; [19]
+    mova        m7, [r3 -  6 * 16]  ; [ 4]
+    jmp         mangle(private_prefix %+ _ %+ intra_pred_ang4_3 %+ SUFFIX %+ .do_filter4x4)
+
 ;---------------------------------------------------------------------------------------------
 ; void intra_pred_dc(pixel* dst, intptr_t dstStride, pixel *srcPix, int dirMode, int bFilter)
 ;---------------------------------------------------------------------------------------------