[x265] [PATCH 10 of 18] asm: intra_pred_ang4_26_sse2 16-bit

Steve Borho steve at borho.org
Sat Apr 4 19:15:22 CEST 2015


On 04/04, chen wrote:
> At 2015-04-04 00:24:41,dtyx265 at gmail.com wrote:
> ># HG changeset patch
> ># User David T Yuen <dtyx265 at gmail.com>
> ># Date 1428076210 25200
> ># Node ID 89cf1dc260ad91eba0f4edcacc784be0959636b5
> ># Parent  95c50ede466fa24a1ff13e5203305b35392a5f64
> >asm: intra_pred_ang4_26_sse2 16-bit
> >
> >This is backported from sse4 code and replaces c code.
> >
> >./test/TestBench --testbench intrapred | grep "intra_ang_4x4\[26\]"
> >intra_ang_4x4[26]	3.76x 	 200.35   	 754.13
> >
> >diff -r 95c50ede466f -r 89cf1dc260ad source/common/x86/asm-primitives.cpp
> >--- a/source/common/x86/asm-primitives.cpp	Fri Apr 03 08:46:08 2015 -0700
> >+++ b/source/common/x86/asm-primitives.cpp	Fri Apr 03 08:50:10 2015 -0700
> >@@ -891,6 +891,7 @@
> >         p.cu[BLOCK_4x4].intra_pred[8] = x265_intra_pred_ang4_8_sse2;
> >         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[26] = x265_intra_pred_ang4_26_sse2;
> >         p.cu[BLOCK_4x4].intra_pred[27] = x265_intra_pred_ang4_9_sse2;
> >         p.cu[BLOCK_4x4].intra_pred[28] = x265_intra_pred_ang4_8_sse2;
> >         p.cu[BLOCK_4x4].intra_pred[29] = x265_intra_pred_ang4_7_sse2;
> >diff -r 95c50ede466f -r 89cf1dc260ad source/common/x86/intrapred16.asm
> >--- a/source/common/x86/intrapred16.asm	Fri Apr 03 08:46:08 2015 -0700
> >+++ b/source/common/x86/intrapred16.asm	Fri Apr 03 08:50:10 2015 -0700
> >@@ -946,6 +946,42 @@
> >     movh        [r0],           m0
> >     RET
> > 
> >+cglobal intra_pred_ang4_26, 3,3,3
> >+    movh        m0,             [r2 + 2]            ; [8 7 6 5 4 3 2 1]
> >+    add         r1,             r1
> r1d?

please send any additional fixes as new patches based on these commits.
I have a bug-fix for soemthing else queued after these locally and I
prefer for its hash to not change.

> >+    ; store
> >+    movh        [r0],           m0
> >+    movh        [r0 + r1],      m0
> >+    movh        [r0 + r1 * 2],  m0
> >+    lea         r3,             [r1 * 3]
> >+    movh        [r0 + r3],      m0
> >+
> >+    ; filter
> >+    cmp         r4m,            byte 0
> >+    jz         .quit
> >+
> >+    pshuflw     m0,             m0, 0x00
> >+    movd        m2,             [r2]
> >+    pshuflw     m2,             m2, 0x00
> >+    movh        m1,             [r2 + 18]
> >+    psubw       m1,             m2
> >+    psraw       m1,             1
> >+    paddw       m0,             m1
> >+    pxor        m1,             m1
> >+    pmaxsw      m0,             m1
> >+    pminsw      m0,             [pw_1023]
> >+
> >+    movh        r2,             m0
> >+    mov         [r0],           r2w
> >+    shr         r2,             16
> >+    mov         [r0 + r1],      r2w
> >+    shr         r2,             16
> >+    mov         [r0 + r1 * 2],  r2w
> >+    shr         r2,             16
> >+    mov         [r0 + r3],      r2w
> >+.quit:
> >+    RET
> >+
> > ;-----------------------------------------------------------------------------------
> > ; void intra_pred_dc(pixel* dst, intptr_t dstStride, pixel* above, int, int filter)
> > ;-----------------------------------------------------------------------------------
> >_______________________________________________
> >x265-devel mailing list
> >x265-devel at videolan.org
> >https://mailman.videolan.org/listinfo/x265-devel

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-- 
Steve Borho


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