[x265] [PATCH 03 of 11] asm: intra_pred_ang4_12_sse2

[dtyx265 at gmail.com]

# HG changeset patch
# User David T Yuen <dtyx265 at gmail.com>
# Date 1427916328 25200
# Node ID 57f560a6292c3f693bf6794a1af3a1246d790aed
# Parent  02879e6629a89c9831ed88ed18e6d437b2363bfc
asm: intra_pred_ang4_12_sse2

This is backported from sse4 code and replaces c code.

64-bit

./test/TestBench --testbench intrapred | grep "intra_ang_4x4\[12\]"
intra_ang_4x4[12]	3.65x 	 562.50   	 2052.53

32-bit

./test/TestBench --testbench intrapred | grep "intra_ang_4x4\[12\]"
intra_ang_4x4[12]	4.70x 	 634.99   	 2985.58

diff -r 02879e6629a8 -r 57f560a6292c source/common/x86/asm-primitives.cpp
--- a/source/common/x86/asm-primitives.cpp	Wed Apr 01 12:22:36 2015 -0700
+++ b/source/common/x86/asm-primitives.cpp	Wed Apr 01 12:25:28 2015 -0700
@@ -1206,6 +1206,7 @@
         p.cu[BLOCK_4x4].intra_pred[9] = x265_intra_pred_ang4_9_sse2;
         p.cu[BLOCK_4x4].intra_pred[10] = x265_intra_pred_ang4_10_sse2;
         p.cu[BLOCK_4x4].intra_pred[11] = x265_intra_pred_ang4_11_sse2;
+        p.cu[BLOCK_4x4].intra_pred[12] = x265_intra_pred_ang4_12_sse2;
         p.cu[BLOCK_4x4].intra_pred[26] = x265_intra_pred_ang4_26_sse2;
 
         p.cu[BLOCK_4x4].calcresidual = x265_getResidual4_sse2;
diff -r 02879e6629a8 -r 57f560a6292c source/common/x86/intrapred.h
--- a/source/common/x86/intrapred.h	Wed Apr 01 12:22:36 2015 -0700
+++ b/source/common/x86/intrapred.h	Wed Apr 01 12:25:28 2015 -0700
@@ -57,6 +57,7 @@
 DECL_ANG(4, 9, sse2);
 DECL_ANG(4, 10, sse2);
 DECL_ANG(4, 11, sse2);
+DECL_ANG(4, 12, sse2);
 DECL_ANG(4, 26, sse2);
 
 DECL_ANG(4, 2, ssse3);
diff -r 02879e6629a8 -r 57f560a6292c source/common/x86/intrapred8.asm
--- a/source/common/x86/intrapred8.asm	Wed Apr 01 12:22:36 2015 -0700
+++ b/source/common/x86/intrapred8.asm	Wed Apr 01 12:25:28 2015 -0700
@@ -1635,6 +1635,27 @@
     mova        m7, [r3 +  0 * 16]  ; [30]
     jmp         mangle(private_prefix %+ _ %+ intra_pred_ang4_3 %+ SUFFIX %+ .do_filter4x4)
 
+cglobal intra_pred_ang4_12, 3,5,8
+    xor         r4d, r4d
+    cmp         r3m, byte 24
+    mov         r3d, 8
+    cmove       r3d, r4d
+
+    movd        m1, [r2 + r3 + 1]
+    movh        m0, [r2 - 7]
+    punpcklbw   m1, m1
+    punpcklqdq  m0, m1
+    psrldq      m0, 7
+    punpcklqdq  m0, m0
+    mova        m2, m0
+
+    lea         r3, [pw_ang_table + 20 * 16]
+    mova        m4, [r3 +  7 * 16]  ; [27]
+    mova        m5, [r3 +  2 * 16]  ; [22]
+    mova        m6, [r3 -  3 * 16]  ; [17]
+    mova        m7, [r3 -  8 * 16]  ; [12]
+    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)
 ;---------------------------------------------------------------------------------------------