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OpenBLAS/kernel/power/zaxpy_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. * 2016/03/23 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_4 1

  38. static void zaxpy_kernel_4 (long n, double *x, double *y,

  39. 			    double alpha_r, double alpha_i)

  40. {

  41. #if !defined(CONJ)

  42.   static const double mvec[2] = { -1.0, 1.0 };

  43. #else

  44.   static const double mvec[2] = { 1.0, -1.0 };

  45. #endif

  46.   const double *mvecp = mvec;

  47. 

  48.   __vector double t0;

  49.   __vector double t1;

  50.   __vector double t2;

  51.   __vector double t3;

  52.   __vector double t4;

  53.   __vector double t5;

  54.   __vector double t6;

  55.   __vector double t7;

  56.   __vector double t8;

  57.   __vector double t9;

  58.   __vector double t10;

  59.   __vector double t11;

  60.   long ytmp;

  61. 

  62.   __asm__

  63.     (

  64.        XXSPLTD_S(32,%x19,0)	// alpha_r

  65.        XXSPLTD_S(33,%x20,0)	// alpha_i

  66. 

  67.        "lxvd2x		36, 0, %21	\n\t"	// mvec

  68. 

  69. #if !defined(CONJ)

  70.        "xvmuldp		33, 33, 36	\n\t"	// alpha_i * mvec

  71. #else

  72.        "xvmuldp		32, 32, 36	\n\t"	// alpha_r * mvec

  73. #endif

  74. 

  75.        "mr		%16, %3		\n\t"

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

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

  78. 

  79. 

  80.        "lxvd2x		40, 0, %2	\n\t"	// x0

  81.        "lxvd2x		41, %22, %2	\n\t"	// x1

  82.        "lxvd2x		42, %23, %2	\n\t"	// x2

  83.        "lxvd2x		43, %24, %2	\n\t"	// x3

  84. 

  85.        "lxvd2x		48, 0, %3	\n\t"	// y0

  86.        "lxvd2x		49, %22, %3	\n\t"	// y1

  87.        "lxvd2x		50, %23, %3	\n\t"	// y2

  88.        "lxvd2x		51, %24, %3	\n\t"	// y3

  89. 

  90.        XXSWAPD_S(%x8,40)	// exchange real and imag part

  91.        XXSWAPD_S(%x9,41)	// exchange real and imag part

  92.        XXSWAPD_S(%x10,42)	// exchange real and imag part

  93.        XXSWAPD_S(%x11,43)	// exchange real and imag part

  94. 

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

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

  97. 

  98.        "lxvd2x		44, 0, %2	\n\t"	// x4

  99.        "lxvd2x		45, %22, %2	\n\t"	// x5

  100.        "lxvd2x		46, %23, %2	\n\t"	// x6

  101.        "lxvd2x		47, %24, %2	\n\t"	// x7

  102. 

  103.        "lxvd2x		%x4, 0, %3	\n\t"	// y4

  104.        "lxvd2x		%x5, %22, %3	\n\t"	// y5

  105.        "lxvd2x		%x6, %23, %3	\n\t"	// y6

  106.        "lxvd2x		%x7, %24, %3	\n\t"	// y7

  107. 

  108.        XXSWAPD_S(%x12,44)	// exchange real and imag part

  109.        XXSWAPD_S(%x13,45)	// exchange real and imag part

  110.        XXSWAPD_S(%x14,46)	// exchange real and imag part

  111.        XXSWAPD_S(%x15,47)	// exchange real and imag part

  112. 

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

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

  115. 

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

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

  118. 

  119.        ".align	5		\n"

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

  121. 

  122.        "xvmaddadp	48, 40, 32	\n\t"	// alpha_r * x0_r , alpha_r * x0_i

  123.        "xvmaddadp	49, 41, 32	\n\t"

  124.        "lxvd2x		40, 0, %2	\n\t"	// x0

  125.        "lxvd2x		41, %22, %2	\n\t"	// x1

  126.        "xvmaddadp	50, 42, 32	\n\t"

  127.        "xvmaddadp	51, 43, 32	\n\t"

  128.        "lxvd2x		42, %23, %2	\n\t"	// x2

  129.        "lxvd2x		43, %24, %2	\n\t"	// x3

  130. 

  131.        "xvmaddadp	%x4, 44, 32	\n\t"

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

  133.        "xvmaddadp	%x5, 45, 32	\n\t"

  134.        "lxvd2x		44, 0, %2	\n\t"	// x4

  135.        "lxvd2x		45, %22, %2	\n\t"	// x5

  136.        "xvmaddadp	%x6, 46, 32	\n\t"

  137.        "xvmaddadp	%x7, 47, 32	\n\t"

  138.        "lxvd2x		46, %23, %2	\n\t"	// x6

  139.        "lxvd2x		47, %24, %2	\n\t"	// x7

  140. 

  141.        "xvmaddadp	48, %x8, 33	\n\t"	// alpha_i * x0_i , alpha_i * x0_r

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

  143.        "xvmaddadp	49, %x9, 33	\n\t"

  144.        "xvmaddadp	50, %x10, 33	\n\t"

  145.        "xvmaddadp	51, %x11, 33	\n\t"

  146. 

  147.        "xvmaddadp	%x4, %x12, 33	\n\t"

  148.        "xvmaddadp	%x5, %x13, 33	\n\t"

  149.        "xvmaddadp	%x6, %x14, 33	\n\t"

  150.        "xvmaddadp	%x7, %x15, 33	\n\t"

  151. 

  152.        "stxvd2x		48, 0, %16	\n\t"

  153.        "stxvd2x		49, %22, %16	\n\t"

  154.        "stxvd2x		50, %23, %16	\n\t"

  155.        "stxvd2x		51, %24, %16	\n\t"

  156. 

  157.        "addi		%16, %16, 64	\n\t"

  158. 

  159.        "stxvd2x		%x4, 0, %16	\n\t"

  160.        "stxvd2x		%x5, %22, %16	\n\t"

  161.        "stxvd2x		%x6, %23, %16	\n\t"

  162.        "stxvd2x		%x7, %24, %16	\n\t"

  163. 

  164.        "addi		%16, %16, 64	\n\t"

  165. 

  166.        XXSWAPD_S(%x8,40)	// exchange real and imag part

  167.        XXSWAPD_S(%x9,41)	// exchange real and imag part

  168.        "lxvd2x		48, 0, %3	\n\t"	// y0

  169.        "lxvd2x		49, %22, %3	\n\t"	// y1

  170.        XXSWAPD_S(%x10,42)	// exchange real and imag part

  171.        XXSWAPD_S(%x11,43)	// exchange real and imag part

  172.        "lxvd2x		50, %23, %3	\n\t"	// y2

  173.        "lxvd2x		51, %24, %3	\n\t"	// y3

  174. 

  175.        XXSWAPD_S(%x12,44)	// exchange real and imag part

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

  177.        XXSWAPD_S(%x13,45)	// exchange real and imag part

  178.        "lxvd2x		%x4, 0, %3	\n\t"	// y4

  179.        "lxvd2x		%x5, %22, %3	\n\t"	// y5

  180.        XXSWAPD_S(%x14,46)	// exchange real and imag part

  181.        XXSWAPD_S(%x15,47)	// exchange real and imag part

  182.        "lxvd2x		%x6, %23, %3	\n\t"	// y6

  183.        "lxvd2x		%x7, %24, %3	\n\t"	// y7

  184. 

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

  186. 

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

  188.        "bgt		one%=		\n"

  189. 

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

  191. 

  192.        "xvmaddadp	48, 40, 32	\n\t"	// alpha_r * x0_r , alpha_r * x0_i

  193.        "xvmaddadp	49, 41, 32	\n\t"

  194.        "xvmaddadp	50, 42, 32	\n\t"

  195.        "xvmaddadp	51, 43, 32	\n\t"

  196. 

  197.        "xvmaddadp	%x4, 44, 32	\n\t"

  198.        "xvmaddadp	%x5, 45, 32	\n\t"

  199.        "xvmaddadp	%x6, 46, 32	\n\t"

  200.        "xvmaddadp	%x7, 47, 32	\n\t"

  201. 

  202.        "xvmaddadp	48, %x8, 33	\n\t"	// alpha_i * x0_i , alpha_i * x0_r

  203.        "xvmaddadp	49, %x9, 33	\n\t"

  204.        "xvmaddadp	50, %x10, 33	\n\t"

  205.        "xvmaddadp	51, %x11, 33	\n\t"

  206. 

  207.        "xvmaddadp	%x4, %x12, 33	\n\t"

  208.        "xvmaddadp	%x5, %x13, 33	\n\t"

  209.        "xvmaddadp	%x6, %x14, 33	\n\t"

  210.        "xvmaddadp	%x7, %x15, 33	\n\t"

  211. 

  212.        "stxvd2x		48, 0, %16	\n\t"

  213.        "stxvd2x		49, %22, %16	\n\t"

  214.        "stxvd2x		50, %23, %16	\n\t"

  215.        "stxvd2x		51, %24, %16	\n\t"

  216. 

  217.        "addi		%16, %16, 64	\n\t"

  218. 

  219.        "stxvd2x		%x4, 0, %16	\n\t"

  220.        "stxvd2x		%x5, %22, %16	\n\t"

  221.        "stxvd2x		%x6, %23, %16	\n\t"

  222.        "stxvd2x		%x7, %24, %16	\n"

  223. 

  224.      "#n=%1 x=%17=%2 y=%0=%3 alpha=(%19,%20) mvecp=%18=%16 o16=%22 o32=%23 o48=%24 ytmp=%16\n"

  225.      "#t0=%x4 t1=%x5 t2=%x6 t3=%x7 t4=%x8 t5=%x9 t6=%x10 t7=%x11 t8=%x12 t9=%x13 t10=%x14 t11=%x15"

  226.      :

  227.        "+m" (*y),

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  243.        "=b" (ytmp)	// 16

  244.      :

  245.        "m" (*x),

  246.        "m" (*mvecp),

  247.        "d" (alpha_r),	// 19

  248.        "d" (alpha_i),	// 20

  249.        "16" (mvecp),	// 21

  250.        "b" (16),	// 22

  251.        "b" (32),	// 23

  252.        "b" (48)		// 24

  253.      :

  254.        "cr0",

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

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

  257.        "vs48","vs49","vs50","vs51"

  258.      );

  259. }