[x265] [PATCH 2 of 9] asm: intrapred dc8 sse2 high bit

Steve Borho steve at borho.org
Fri Mar 6 03:21:33 CET 2015


On 03/06, chen wrote:
>  
> 
> At 2015-03-06 08:19:55,dtyx265 at gmail.com wrote:
> ># HG changeset patch
> ># User David T Yuen <dtyx265 at gmail.com>
> ># Date 1425588355 28800
> ># Node ID 3b2512cba57e1af6ba21c445122a2b5b2efd87dc
> ># Parent  39111ae2fd72824c60f827023bd6b55b92dc1c41
> >asm: intrapred dc8 sse2 high bit
> >
> >This replaces c code for systems using ssse3 to sse2 processors
> >The code is backported from intrapred dc8 sse4 high bit
> >
> >./test/TestBench --testbench intrapred | grep intra_dc_8x8
> >intra_dc_8x8[f=0]	1.64x 	 437.56   	 719.58
> >intra_dc_8x8[f=1]	1.55x 	 747.51   	 1157.56
> >
> >diff -r 39111ae2fd72 -r 3b2512cba57e source/common/x86/asm-primitives.cpp
> >--- a/source/common/x86/asm-primitives.cpp	Thu Mar 05 12:21:23 2015 -0800
> >+++ b/source/common/x86/asm-primitives.cpp	Thu Mar 05 12:45:55 2015 -0800
> >@@ -869,6 +869,7 @@
> >         ALL_LUMA_TU_S(transpose, transpose, sse2);
> > 
> >         p.cu[BLOCK_4x4].intra_pred[DC_IDX] = x265_intra_pred_dc4_sse2;
> >+        p.cu[BLOCK_8x8].intra_pred[DC_IDX] = x265_intra_pred_dc8_sse2;
> > 
> >         p.cu[BLOCK_4x4].intra_pred[PLANAR_IDX] = x265_intra_pred_planar4_sse2;
> > 
> >diff -r 39111ae2fd72 -r 3b2512cba57e source/common/x86/intrapred16.asm
> >--- a/source/common/x86/intrapred16.asm	Thu Mar 05 12:21:23 2015 -0800
> >+++ b/source/common/x86/intrapred16.asm	Thu Mar 05 12:45:55 2015 -0800
> >@@ -161,6 +161,89 @@
> > ;-----------------------------------------------------------------------------------
> > ; void intra_pred_dc(pixel* dst, intptr_t dstStride, pixel* above, int, int filter)
> > ;-----------------------------------------------------------------------------------
> >+INIT_XMM sse2
> >+cglobal intra_pred_dc8, 5, 8, 2
> x86 compatible issue

We don't allow 32bit HIGH_BIT_DEPTH builds

-- 
Steve Borho


More information about the x265-devel mailing list