<html xmlns:v="urn:schemas-microsoft-com:vml" xmlns:o="urn:schemas-microsoft-com:office:office" xmlns:w="urn:schemas-microsoft-com:office:word" xmlns:st1="urn:schemas-microsoft-com:office:smarttags" xmlns="http://www.w3.org/TR/REC-html40"> <head> <META HTTP-EQUIV="Content-Type" CONTENT="text/html; charset=us-ascii"> <meta name=Generator content="Microsoft Word 11 (filtered medium)"> <o:SmartTagType namespaceuri="urn:schemas-microsoft-com:office:smarttags" name="City"/> <o:SmartTagType namespaceuri="urn:schemas-microsoft-com:office:smarttags" name="place"/>  <style>  </style>  </head> <body lang=EN-US link=blue vlink=purple> <div class=Section1> Markus:<o:p></o:p> <o:p> </o:p>      Our phone use Intel XScale:  Intel Wireless MMX 2 Coprocessor. <a href="http://download.intel.com/design/intelxscale/31451001.pdf">http://download.intel.com/design/intelxscale/31451001.pdf</a><o:p></o:p>      Can we make pixman-0.10.0 work with this WMMX2?<o:p></o:p> <o:p> </o:p>       Thanks,<o:p></o:p>       -Guoxin<o:p></o:p> <o:p> </o:p> <div style='border:none;border-left:solid blue 1.5pt;padding:0in 0in 0in 4.0pt'> <div> <div class=MsoNormal align=center style='text-align:center'> <hr size=2 width="100%" align=center tabindex=-1> </div> From: Markus Schumann [mailto:go4shoe@hotmail.com] Sent: Monday, July 07, 2008 10:30 AM To: Guoxin Fan; cairo@cairographics.org Subject: RE: [<st1:City w:st="on"><st1:place w:st="on">cairo</st1:place></st1:City>] pixman with MMX supported on scratchbox arm build<o:p></o:p> </div> <o:p> </o:p> ARM doesn’t support MMX which was designed by Intel for their Pentiums.<o:p></o:p> Markus.<o:p></o:p> <o:p> </o:p> <div> <div class=MsoNormal align=center style='text-align:center'> <hr size=2 width="100%" align=center tabindex=-1> </div> From: cairo-bounces@cairographics.org [mailto:cairo-bounces@cairographics.org] On Behalf Of Guoxin Fan Sent: Monday, July 07, 2008 10:15 AM To: cairo@cairographics.org Subject: [<st1:place w:st="on"><st1:City w:st="on">cairo</st1:City></st1:place>] pixman with MMX supported on scratchbox arm build<o:p></o:p> </div> <o:p> </o:p> Hello, all:<o:p></o:p> <o:p> </o:p>     I am trying to enable MMX in pixman-0.10.0 for our linux-based phone. <o:p></o:p>    <o:p></o:p>     Here is what we have so far:<o:p></o:p> <ol style='margin-top:0in' start=1 type=1> <li class=MsoNormal style='mso-list:l2 level1 lfo3'>Build environment:  scratchbox with arm-iwmmxt-linux-gnueabi and gcc4.1.1. Our directfb package used pixman-0.10.0 for mozilla browser. <o:p></o:p></li> <li class=MsoNormal style='mso-list:l2 level1 lfo3'>Without MMX enabled, it builds and runs ok on our target.<o:p></o:p></li> <li class=MsoNormal style='mso-list:l2 level1 lfo3'>I have tested the APIs in mmintrin.h, which compile and run ok on our target.<o:p></o:p></li> <li class=MsoNormal style='mso-list:l2 level1 lfo3'>If I remove the –mmmx from MMX_CFLAGS, then ./configure will detect MMX and set have_mmx_intrinsics to yes.<o:p></o:p></li> </ol> <o:p> </o:p>       The problem is that: <o:p></o:p>            The assembly codes in pixman-pict.c and pixman-mmx.c are only return for intel architecture. <o:p></o:p> <o:p> </o:p>        I am new to the pixman, can someone help me sort out:<o:p></o:p>        1.   what are those assembly codes doing? Can we make it work for ARM architecture?<o:p></o:p> <![if !supportLists]>2.   <![endif]>will pixman-0.10.0 work with MMX if APIs in mmintrin.h work well with our target?<o:p></o:p> <![if !supportLists]>3.   <![endif]>Who should I contact for help on this issue?<o:p></o:p> <o:p> </o:p>        Thanks,<o:p></o:p>        -Guoxin<o:p></o:p> <o:p> </o:p> <o:p> </o:p> <o:p> </o:p>      <o:p></o:p> </div> </div> </body> </html>