<div style="line-height:1.7;color:#000000;font-size:14px;font-family:arial">At 2013-11-07 00:12:47,"Praveen Tiwari" <praveen@multicorewareinc.com> wrote:<BR>
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<DIV class="gmail_quote">---------- Forwarded message ----------<BR>From: <B class="gmail_sendername">chen</B> <SPAN dir="ltr"><<A href="mailto:chenm003@163.com">chenm003@163.com</A>></SPAN><BR>Date: Wed, Nov 6, 2013 at 8:00 PM<BR>Subject: Re: [x265] [PATCH Review Only] asm code for blockcopy_sp, 8x4 partition<BR>To: Development for x265 <<A href="mailto:x265-devel@videolan.org">x265-devel@videolan.org</A>><BR><BR><BR>
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<DIV class="im">>+pshufb m1, m0<BR>>+pshufb m2, m0<BR>>+pshufb m3, m0<BR>>+pshufb m4, m0<BR></DIV>>>packuswb</DIV>
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<DIV>Our C code is not using saturation. For this we have to change our C primitive, probably merge calcrecon.</DIV>
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<DIV>Yes, the C code has not saturation, but we can insert assert() to C code and use packuswb in asm code, it reduce a memory load operator.<BR></DIV></DIV></DIV><BR></DIV></BLOCKQUOTE></div>