[x265] [PATCH] asm: avx2 asm code for dct4

[chen]

At 2014-09-01 18:04:19,dnyaneshwar at multicorewareinc.com wrote:
># HG changeset patch
># User Dnyaneshwar G dnyaneshwar at multicorewareinc.com>
># Date 1409565805 -19800
>#      Mon Sep 01 15:33:25 2014 +0530
># Node ID 3da801ede69d028c24ded368a3c7a14efd07b34a
># Parent  c5624effb73c74e63fd2e42d2a48ea4490074dce
>asm: avx2 asm code for dct4
>
+    vbroadcasti128  m7, [pd_128]
in next time, you may try mov+vpbroadcastd, it reduce one memory operator, in DCT4, you need not to modify it.
the patch seem right, I will verify it tomorrow, my laptop CPU haven't AVX2.
 
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