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OpenBLAS/kernel/power/zscal_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. * 2016/03/25 Werner Saar (wernsaar@googlemail.com)

  30. *

  31. * I don't use fused multipy-add ( lapack precision problems )

  32. *

  33. * 	 BLASTEST 		: OK

  34. * 	 CTEST			: OK

  35. * 	 TEST			: OK

  36. *	 LAPACK-TEST		: OK

  37. **************************************************************************************/

  38. 

  39. #define HAVE_KERNEL_8 1

  40. 

  41. static void zscal_kernel_8 (long n, double *x, double alpha_r, double alpha_i)

  42. {

  43.   __vector double t0;

  44.   __vector double t1;

  45.   __vector double t2;

  46.   __vector double t3;

  47.   __vector double t4;

  48.   __vector double t5;

  49.   __vector double t6;

  50.   __vector double t7;

  51.   __vector double t8;

  52.   __vector double t9;

  53.   __vector double t10;

  54.   __vector double t11;

  55. 

  56.   __asm__

  57.     (

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

  59. 

  60.        "xsnegdp		33, %x16	\n\t"	// -alpha_i

  61.        XXSPLTD_S(32,%x15,0)	// alpha_r , alpha_r

  62.        XXMRGHD_S(33,33,%x16)	// -alpha_i , alpha_i

  63. 

  64.        "lxvd2x		40, 0, %2	\n\t"	// x0_r, x0_i

  65.        "lxvd2x		41, %17, %2	\n\t"

  66.        "lxvd2x		42, %18, %2	\n\t"

  67.        "lxvd2x		43, %19, %2	\n\t"

  68.        "lxvd2x		44, %20, %2	\n\t"

  69.        "lxvd2x		45, %21, %2	\n\t"

  70.        "lxvd2x		46, %22, %2	\n\t"

  71.        "lxvd2x		47, %23, %2	\n\t"

  72. 

  73.        "addi		%2, %2, 128	\n\t"

  74. 

  75.        "addic.		%1, %1, -8	\n\t"

  76.        "ble		two%=		\n\t"

  77. 

  78.        ".align	5		\n"

  79.      "one%=:				\n\t"

  80. 

  81.        "xvmuldp		48, 40, 32	\n\t"	// x0_r * alpha_r, x0_i * alpha_r

  82.        "xvmuldp		49, 41, 32	\n\t"

  83.        "xvmuldp		50, 42, 32	\n\t"

  84.        "xvmuldp		51, 43, 32	\n\t"

  85.        "xvmuldp		%x3, 44, 32	\n\t"

  86.        "xvmuldp		%x4, 45, 32	\n\t"

  87.        "xvmuldp		%x5, 46, 32	\n\t"

  88.        "xvmuldp		%x6, 47, 32	\n\t"

  89. 

  90.        XXSWAPD_S(%x7,40)

  91.        XXSWAPD_S(%x8,41)

  92.        XXSWAPD_S(%x9,42)

  93.        XXSWAPD_S(%x10,43)

  94.        XXSWAPD_S(%x11,44)

  95.        XXSWAPD_S(%x12,45)

  96.        XXSWAPD_S(%x13,46)

  97.        XXSWAPD_S(%x14,47)

  98. 

  99.        "xvmuldp		%x7, %x7, 33	\n\t"	// x0_i * -alpha_i, x0_r * alpha_i

  100.        "xvmuldp		%x8, %x8, 33	\n\t"

  101. 

  102.        "lxvd2x		40, 0, %2	\n\t"	// x0_r, x0_i

  103.        "lxvd2x		41, %17, %2	\n\t"

  104. 

  105.        "xvmuldp		%x9, %x9, 33	\n\t"

  106.        "xvmuldp		%x10, %x10, 33	\n\t"

  107. 

  108.        "lxvd2x		42, %18, %2	\n\t"

  109.        "lxvd2x		43, %19, %2	\n\t"

  110. 

  111.        "xvmuldp		%x11, %x11, 33	\n\t"

  112.        "xvmuldp		%x12, %x12, 33	\n\t"

  113. 

  114.        "lxvd2x		44, %20, %2	\n\t"

  115.        "lxvd2x		45, %21, %2	\n\t"

  116. 

  117.        "xvmuldp		%x13, %x13, 33	\n\t"

  118.        "xvmuldp		%x14, %x14, 33	\n\t"

  119. 

  120.        "lxvd2x		46, %22, %2	\n\t"

  121.        "lxvd2x		47, %23, %2	\n\t"

  122. 

  123.        "addi		%2, %2, -128	\n\t"

  124. 

  125.        "xvadddp		48, 48, %x7	\n\t"

  126.        "xvadddp		49, 49, %x8	\n\t"

  127.        "xvadddp		50, 50, %x9	\n\t"

  128.        "xvadddp		51, 51, %x10	\n\t"

  129. 

  130.        "stxvd2x		48, 0, %2	\n\t"

  131.        "stxvd2x		49, %17, %2	\n\t"

  132. 

  133.        "xvadddp		%x3, %x3, %x11	\n\t"

  134.        "xvadddp		%x4, %x4, %x12	\n\t"

  135. 

  136.        "stxvd2x		50, %18, %2	\n\t"

  137.        "stxvd2x		51, %19, %2	\n\t"

  138. 

  139.        "xvadddp		%x5, %x5, %x13	\n\t"

  140.        "xvadddp		%x6, %x6, %x14	\n\t"

  141. 

  142.        "stxvd2x		%x3, %20, %2	\n\t"

  143.        "stxvd2x		%x4, %21, %2	\n\t"

  144.        "stxvd2x		%x5, %22, %2	\n\t"

  145.        "stxvd2x		%x6, %23, %2	\n\t"

  146. 

  147.        "addi		%2, %2, 256	\n\t"

  148. 

  149.        "addic.		%1, %1, -8	\n\t"

  150.        "bgt		one%=		\n"

  151. 

  152.      "two%=:				\n\t"

  153. 

  154.        "xvmuldp		48, 40, 32	\n\t"	// x0_r * alpha_r, x0_i * alpha_r

  155.        "xvmuldp		49, 41, 32	\n\t"

  156.        "xvmuldp		50, 42, 32	\n\t"

  157.        "xvmuldp		51, 43, 32	\n\t"

  158.        "xvmuldp		%x3, 44, 32	\n\t"

  159.        "xvmuldp		%x4, 45, 32	\n\t"

  160.        "xvmuldp		%x5, 46, 32	\n\t"

  161.        "xvmuldp		%x6, 47, 32	\n\t"

  162. 

  163.        XXSWAPD_S(%x7,40)

  164.        XXSWAPD_S(%x8,41)

  165.        XXSWAPD_S(%x9,42)

  166.        XXSWAPD_S(%x10,43)

  167.        XXSWAPD_S(%x11,44)

  168.        XXSWAPD_S(%x12,45)

  169.        XXSWAPD_S(%x13,46)

  170.        XXSWAPD_S(%x14,47)

  171. 

  172.        "addi		%2, %2, -128	\n\t"

  173. 

  174.        "xvmuldp		%x7, %x7, 33	\n\t"	// x0_i * -alpha_i, x0_r * alpha_i

  175.        "xvmuldp		%x8, %x8, 33	\n\t"

  176.        "xvmuldp		%x9, %x9, 33	\n\t"

  177.        "xvmuldp		%x10, %x10, 33	\n\t"

  178.        "xvmuldp		%x11, %x11, 33	\n\t"

  179.        "xvmuldp		%x12, %x12, 33	\n\t"

  180.        "xvmuldp		%x13, %x13, 33	\n\t"

  181.        "xvmuldp		%x14, %x14, 33	\n\t"

  182. 

  183.        "xvadddp		48, 48, %x7	\n\t"

  184.        "xvadddp		49, 49, %x8	\n\t"

  185.        "xvadddp		50, 50, %x9	\n\t"

  186.        "xvadddp		51, 51, %x10	\n\t"

  187. 

  188.        "stxvd2x		48, 0, %2	\n\t"

  189.        "stxvd2x		49, %17, %2	\n\t"

  190. 

  191.        "xvadddp		%x3, %x3, %x11	\n\t"

  192.        "xvadddp		%x4, %x4, %x12	\n\t"

  193. 

  194.        "stxvd2x		50, %18, %2	\n\t"

  195.        "stxvd2x		51, %19, %2	\n\t"

  196. 

  197.        "xvadddp		%x5, %x5, %x13	\n\t"

  198.        "xvadddp		%x6, %x6, %x14	\n\t"

  199. 

  200.        "stxvd2x		%x3, %20, %2	\n\t"

  201.        "stxvd2x		%x4, %21, %2	\n\t"

  202.        "stxvd2x		%x5, %22, %2	\n\t"

  203.        "stxvd2x		%x6, %23, %2	\n"

  204. 

  205.      "#n=%1 x=%0=%2 alpha=(%15,%16) o16=%17 o32=%18 o48=%19 o64=%20 o80=%21 o96=%22 o112=%23\n"

  206.      "#t0=%x3 t1=%x4 t2=%x5 t3=%x6 t4=%x7 t5=%x8 t6=%x9 t7=%x10 t8=%x11 t9=%x12 t10=%x13 t11=%x14"

  207.      :

  208.        "+m" (*x),

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

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

  211.        "=wa" (t0),	// 3

  212.        "=wa" (t1),	// 4

  213.        "=wa" (t2),	// 5

  214.        "=wa" (t3),	// 6

  215.        "=wa" (t4),	// 7

  216.        "=wa" (t5),	// 8

  217.        "=wa" (t6),	// 9

  218.        "=wa" (t7),	// 10

  219.        "=wa" (t8),	// 11

  220.        "=wa" (t9),	// 12

  221.        "=wa" (t10),	// 13

  222.        "=wa" (t11)	// 14

  223.      :

  224.        "d" (alpha_r),	// 15

  225.        "d" (alpha_i),	// 16

  226.        "b" (16),	// 17

  227.        "b" (32),	// 18

  228.        "b" (48),	// 19

  229.        "b" (64),	// 20

  230.        "b" (80),	// 21

  231.        "b" (96),	// 22

  232.        "b" (112)	// 23

  233.      :

  234.        "cr0",

  235.        "vs32","vs33","vs34","vs35","vs36","vs37","vs38","vs39",

  236.        "vs40","vs41","vs42","vs43","vs44","vs45","vs46","vs47",

  237.        "vs48","vs49","vs50","vs51"

  238.      );

  239. }