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<div><br></div><pre><br>At 2015-04-02 02:52:19,dtyx265@gmail.com wrote:
># HG changeset patch
># User David T Yuen <dtyx265@gmail.com>
># Date 1427912953 25200
># Node ID 25841da128d711bdabcb260bbc665ab97fd67baa
># Parent fc6b5f8bbcc8283e5b4fd88d41b8c313b002a198
>asm: intra_pred_ang4_6_sse2 improved ~3% 612.49 -> 592.50 with nits and tweaks
>
>Changed r3 and r4 to r3d and r4d
>tweaked unpacking for performance
>
>diff -r fc6b5f8bbcc8 -r 25841da128d7 source/common/x86/intrapred8.asm
>--- a/source/common/x86/intrapred8.asm Wed Apr 01 11:21:40 2015 -0700
>+++ b/source/common/x86/intrapred8.asm Wed Apr 01 11:29:13 2015 -0700
>@@ -1460,16 +1460,15 @@
> jmp mangle(private_prefix %+ _ %+ intra_pred_ang4_3 %+ SUFFIX %+ .do_filter4x4)
>
> cglobal intra_pred_ang4_6, 3,5,8
>- xor r4, r4
>- inc r4
>+ xor r4d, r4d
>+ inc r4d
> cmp r3m, byte 30
>- mov r3, 9
>- cmove r3, r4
>+ mov r3d, 9
>+ cmove r3d, r4d
>
> 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]
>+ punpcklbw m0, m0
>+ psrldq m0, 1 ; [x 8 7 6 5 4 3 2]
comment mistake</pre></div>