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OpenBLAS/kernel/power/daxpy_microk_power8.c

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  1. /***************************************************************************

  2. Copyright (c) 2013-2016, The OpenBLAS Project

  3. All rights reserved.

  4. Redistribution and use in source and binary forms, with or without

  5. modification, are permitted provided that the following conditions are

  6. met:

  7. 1. Redistributions of source code must retain the above copyright

  8. notice, this list of conditions and the following disclaimer.

  9. 2. Redistributions in binary form must reproduce the above copyright

  10. notice, this list of conditions and the following disclaimer in

  11. the documentation and/or other materials provided with the

  12. distribution.

  13. 3. Neither the name of the OpenBLAS project nor the names of

  14. its contributors may be used to endorse or promote products

  15. derived from this software without specific prior written permission.

  16. THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"

  17. AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE

  18. IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE

  19. ARE DISCLAIMED. IN NO EVENT SHALL THE OPENBLAS PROJECT OR CONTRIBUTORS BE

  20. LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL

  21. DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR

  22. SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER

  23. CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,

  24. OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE

  25. USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

  26. *****************************************************************************/

  27. 

  28. /**************************************************************************************

  29. * 2016/03/22 Werner Saar (wernsaar@googlemail.com)

  30. * 	 BLASTEST 		: OK

  31. * 	 CTEST			: OK

  32. * 	 TEST			: OK

  33. *	 LAPACK-TEST		: OK

  34. **************************************************************************************/

  35. 

  36. 

  37. #define HAVE_KERNEL_8 1

  38. 

  39. static void daxpy_kernel_8 (long n, double *x, double *y, double alpha)

  40. {

  41.   __vector double t0;

  42.   __vector double t1;

  43.   __vector double t2;

  44.   __vector double t3;

  45.   __vector double t4;

  46.   __vector double t5;

  47.   __vector double t6;

  48.   __vector double t7;

  49.   __vector double t8;

  50.   __vector double t9;

  51.   __vector double t10;

  52.   __vector double t11;

  53.   __vector double t12;

  54.   __vector double t13;

  55.   __vector double t14;

  56.   __vector double t15;

  57.   __vector double t16;

  58. 

  59.   __asm__

  60.     (

  61.        "xxspltd		%x4, %x22, 0	\n\t"

  62. 

  63.        "dcbt		0, %2		\n\t"

  64.        "dcbt		0, %3		\n\t"

  65. 

  66.        "lxvd2x		%x5, 0, %2	\n\t"

  67.        "lxvd2x		%x6, %23, %2	\n\t"

  68.        "lxvd2x		%x7, %24, %2	\n\t"

  69.        "lxvd2x		%x8, %25, %2	\n\t"

  70. 

  71.        "lxvd2x		%x13, 0, %3	\n\t"

  72.        "lxvd2x		%x14, %23, %3	\n\t"

  73.        "lxvd2x		%x15, %24, %3	\n\t"

  74.        "lxvd2x		%x16, %25, %3	\n\t"

  75. 

  76.        "addi		%2, %2, 64	\n\t"

  77.        "addi		%3, %3, 64	\n\t"

  78. 

  79.        "lxvd2x		%x9, 0, %2	\n\t"

  80.        "lxvd2x		%x10, %23, %2	\n\t"

  81.        "lxvd2x		%x11, %24, %2	\n\t"

  82.        "lxvd2x		%x12, %25, %2	\n\t"

  83. 

  84.        "lxvd2x		%x17, 0, %3	\n\t"

  85.        "lxvd2x		%x18, %23, %3	\n\t"

  86.        "lxvd2x		%x19, %24, %3	\n\t"

  87.        "lxvd2x		%x20, %25, %3	\n\t"

  88. 

  89.        "addi		%2, %2, 64	\n\t"

  90.        "addi		%3, %3, -64	\n\t"

  91. 

  92.        "addic.		%1, %1, -16	\n\t"

  93.        "ble		2f		\n\t"

  94. 

  95.        ".align 5			\n"

  96.      "1:				\n\t"

  97. 

  98.        "xvmaddadp	%x13, %x5, %x4	\n\t"

  99.        "xvmaddadp	%x14, %x6, %x4	\n\t"

  100. 

  101.        "lxvd2x		%x5, 0, %2	\n\t"

  102.        "lxvd2x		%x6, %23, %2	\n\t"

  103. 

  104.        "stxvd2x		%x13, 0, %3	\n\t"

  105.        "stxvd2x		%x14, %23, %3	\n\t"

  106. 

  107.        "xvmaddadp	%x15, %x7, %x4	\n\t"

  108.        "xvmaddadp	%x16, %x8, %x4	\n\t"

  109. 

  110.        "lxvd2x		%x7, %24, %2	\n\t"

  111.        "lxvd2x		%x8, %25, %2	\n\t"

  112. 

  113.        "stxvd2x		%x15, %24, %3	\n\t"

  114.        "stxvd2x		%x16, %25, %3	\n\t"

  115. 

  116.        "addi		%2, %2, 64	\n\t"

  117.        "addi		%3, %3, 128	\n\t"

  118. 

  119.        "lxvd2x		%x13, 0, %3	\n\t"

  120.        "lxvd2x		%x14, %23, %3	\n\t"

  121.        "lxvd2x		%x15, %24, %3	\n\t"

  122.        "lxvd2x		%x16, %25, %3	\n\t"

  123. 

  124.        "addi		%3, %3, -64	\n\t"

  125. 

  126.        "xvmaddadp	%x17, %x9, %x4	\n\t"

  127.        "xvmaddadp	%x18, %x10, %x4	\n\t"

  128. 

  129.        "lxvd2x		%x9, 0, %2	\n\t"

  130.        "lxvd2x		%x10, %23, %2	\n\t"

  131. 

  132.        "stxvd2x		%x17, 0, %3	\n\t"

  133.        "stxvd2x		%x18, %23, %3	\n\t"

  134. 

  135.        "xvmaddadp	%x19, %x11, %x4	\n\t"

  136.        "xvmaddadp	%x20, %x12, %x4	\n\t"

  137. 

  138.        "lxvd2x		%x11, %24, %2	\n\t"

  139.        "lxvd2x		%x12, %25, %2	\n\t"

  140. 

  141.        "stxvd2x		%x19, %24, %3	\n\t"

  142.        "stxvd2x		%x20, %25, %3	\n\t"

  143. 

  144.        "addi		%2, %2, 64	\n\t"

  145.        "addi		%3, %3, 128	\n\t"

  146. 

  147.        "lxvd2x		%x17, 0, %3	\n\t"

  148.        "lxvd2x		%x18, %23, %3	\n\t"

  149.        "lxvd2x		%x19, %24, %3	\n\t"

  150.        "lxvd2x		%x20, %25, %3	\n\t"

  151. 

  152.        "addi		%3, %3, -64	\n\t"

  153. 

  154.        "addic.		%1, %1, -16	\n\t"

  155.        "bgt		1b		\n"

  156. 

  157.      "2:				\n\t"

  158. 

  159.        "xvmaddadp	%x13, %x5, %x4	\n\t"

  160.        "xvmaddadp	%x14, %x6, %x4	\n\t"

  161.        "xvmaddadp	%x15, %x7, %x4	\n\t"

  162.        "xvmaddadp	%x16, %x8, %x4	\n\t"

  163. 

  164.        "xvmaddadp	%x17, %x9, %x4	\n\t"

  165.        "xvmaddadp	%x18, %x10, %x4	\n\t"

  166.        "xvmaddadp	%x19, %x11, %x4	\n\t"

  167.        "xvmaddadp	%x20, %x12, %x4	\n\t"

  168. 

  169.        "stxvd2x		%x13, 0, %3	\n\t"

  170.        "stxvd2x		%x14, %23, %3	\n\t"

  171.        "stxvd2x		%x15, %24, %3	\n\t"

  172.        "stxvd2x		%x16, %25, %3	\n\t"

  173. 

  174.        "addi		%3, %3, 64	\n\t"

  175. 

  176.        "stxvd2x		%x17, 0, %3	\n\t"

  177.        "stxvd2x		%x18, %23, %3	\n\t"

  178.        "stxvd2x		%x19, %24, %3	\n\t"

  179.        "stxvd2x		%x20, %25, %3	\n"

  180. 

  181.      "#n=%1 x=%21=%2 y=%0=%3 alpha=%22 o16=%23 o32=%24 o48=%25\n"

  182.      "#t0=%x4 t1=%x5 t2=%x6 t3=%x7 t4=%x8 t5=%x9 t6=%x10 t7=%x11 t8=%x12 t9=%x13 t10=%x14 t11=%x15 t12=%x16 t13=%x17 t14=%x18 t15=%x19 t16=%x20"

  183.      :

  184.        "+m" (*y),

  185.        "+r" (n),	// 1

  186.        "+b" (x),	// 2

  187.        "+b" (y),	// 3

  188.        "=wa" (t0),	// 4

  189.        "=wa" (t1),	// 5

  190.        "=wa" (t2),	// 6

  191.        "=wa" (t3),	// 7

  192.        "=wa" (t4),	// 8

  193.        "=wa" (t5),	// 9

  194.        "=wa" (t6),	// 10

  195.        "=wa" (t7),	// 11

  196.        "=wa" (t8),	// 12

  197.        "=wa" (t9),	// 13

  198.        "=wa" (t10),	// 14

  199.        "=wa" (t11),	// 15

  200.        "=wa" (t12),	// 16

  201.        "=wa" (t13),	// 17

  202.        "=wa" (t14),	// 18

  203.        "=wa" (t15),	// 19

  204.        "=wa" (t16)	// 20

  205.      :

  206.        "m" (*x),

  207.        "d" (alpha),	// 22

  208.        "b" (16),	// 23

  209.        "b" (32),	// 24

  210.        "b" (48)		// 25

  211.      :

  212.        "cr0"

  213.      );

  214. 

  215. }

  216.