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  1. /*
  2.  * Copyright © <2010>, Intel Corporation.
  3.  *
  4.  * This program is licensed under the terms and conditions of the
  5.  * Eclipse Public License (EPL), version 1.0.  The full text of the EPL is at
  6.  * http://www.opensource.org/licenses/eclipse-1.0.php.
  7.  *
  8.  */
  9. //      Transpose cur Y right most 4x16 to 16x4
  10. //  Assume source is LEFT_TEMP_B(0), and detination is LEFT_TEMP_B(2)
  11.  
  12.  
  13. //      Input received from dport:
  14. //      +-----------------------+-----------------------+-----------------------+-----------------------+
  15. //      |73 72 71 70 63 62 61 60 53 52 51 50 43 42 41 40 33 32 31 30 23 22 21 20 13 12 11 10 03 02 01 00|
  16. //      +-----------------------+-----------------------+-----------------------+-----------------------+
  17. //      |f3 f2 f1 f0 e3 e2 e1 e0 d3 d2 d1 d0 c3 c2 c1 c0 b3 b2 b1 b0 a3 a2 a1 a0 93 92 91 90 83 82 81 80|
  18. //      +-----------------------+-----------------------+-----------------------+-----------------------+
  19.  
  20. //      Output of transpose:            <1>     <= <32;8,4>
  21. //      +-----------------------+-----------------------+-----------------------+-----------------------+
  22. //      |f1 e1 d1 c1 b1 a1 91 81 71 61 51 41 31 21 11 01 f0 e0 d0 c0 b0 a0 90 80 70 60 50 40 30 20 10 00|
  23. //      +-----------------------+-----------------------+-----------------------+-----------------------+
  24. //      |f3 e3 d3 c3 b3 a3 93 83 73 63 53 43 33 23 13 03 f2 e2 d2 c2 b2 a2 92 82 72 62 52 42 32 22 12 02|
  25. //      +-----------------------+-----------------------+-----------------------+-----------------------+
  26.  
  27.         // Transpose the data, also occupy 2 GRFs
  28.         mov (16)        LEFT_TEMP_B(2)<1>                       LEFT_TEMP_B(0, 0)<32;8,4>               { NoDDClr }
  29.         mov (16)        LEFT_TEMP_B(2, 16)<1>           LEFT_TEMP_B(0, 1)<32;8,4>               { NoDDChk }
  30.         mov (16)        LEFT_TEMP_B(3)<1>                       LEFT_TEMP_B(0, 2)<32;8,4>               { NoDDClr }
  31.         mov (16)        LEFT_TEMP_B(3, 16)<1>           LEFT_TEMP_B(0, 3)<32;8,4>               { NoDDChk }
  32.