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/**************************************************************************************
* 2016/03/20 Werner Saar (wernsaar@googlemail.com)
* 	 BLASTEST 		: OK
* 	 CTEST			: OK
* 	 TEST			: OK
*	 LAPACK-TEST		: OK
**************************************************************************************/

#define HAVE_KERNEL_8 1

static double ddot_kernel_8 (long n, double *x, double *y)
{
  double dot;
  __vector double t0;
  __vector double t1;
  __vector double t2;
  __vector double t3;

  __asm__
    (
       "dcbt		0, %2		\n\t"
       "dcbt		0, %3		\n\t"

       "xxlxor		32, 32,	32	\n\t"
       "xxlxor		33, 33,	33	\n\t"
       "xxlxor		34, 34,	34	\n\t"
       "xxlxor		35, 35,	35	\n\t"
       "xxlxor		36, 36,	36	\n\t"
       "xxlxor		37, 37,	37	\n\t"
       "xxlxor		38, 38,	38	\n\t"
       "xxlxor		39, 39,	39	\n\t"

       "lxvd2x		40, 0, %2	\n\t"
       "lxvd2x		48, 0, %3	\n\t"
       "lxvd2x		41, %10, %2	\n\t"
       "lxvd2x		49, %10, %3	\n\t"
       "lxvd2x		42, %11, %2	\n\t"
       "lxvd2x		50, %11, %3	\n\t"
       "lxvd2x		43, %12, %2	\n\t"
       "lxvd2x		51, %12, %3	\n\t"
       "lxvd2x		44, %13, %2	\n\t"
       "lxvd2x		%x4, %13, %3	\n\t"
       "lxvd2x		45, %14, %2	\n\t"
       "lxvd2x		%x5, %14, %3	\n\t"
       "lxvd2x		46, %15, %2	\n\t"
       "lxvd2x		%x6, %15, %3	\n\t"
       "lxvd2x		47, %16, %2	\n\t"
       "lxvd2x		%x7, %16, %3	\n\t"

       "addi		%2, %2, 128	\n\t"
       "addi		%3, %3, 128	\n\t"

       "addic.		%1, %1, -16	\n\t"
       "ble		two%=		\n\t"

       ".align	5		\n"
     "one%=:				\n\t"

       "xvmaddadp	32, 40, 48	\n\t"
       "lxvd2x		40, 0, %2	\n\t"
       "lxvd2x		48, 0, %3	\n\t"
       "xvmaddadp	33, 41, 49	\n\t"
       "lxvd2x		41, %10, %2	\n\t"
       "lxvd2x		49, %10, %3	\n\t"
       "xvmaddadp	34, 42, 50	\n\t"
       "lxvd2x		42, %11, %2	\n\t"
       "lxvd2x		50, %11, %3	\n\t"
       "xvmaddadp	35, 43, 51	\n\t"
       "lxvd2x		43, %12, %2	\n\t"
       "lxvd2x		51, %12, %3	\n\t"
       "xvmaddadp	36, 44, %x4	\n\t"
       "lxvd2x		44, %13, %2	\n\t"
       "lxvd2x		%x4, %13, %3	\n\t"
       "xvmaddadp	37, 45, %x5	\n\t"
       "lxvd2x		45, %14, %2	\n\t"
       "lxvd2x		%x5, %14, %3	\n\t"
       "xvmaddadp	38, 46, %x6	\n\t"
       "lxvd2x		46, %15, %2	\n\t"
       "lxvd2x		%x6, %15, %3	\n\t"
       "xvmaddadp	39, 47, %x7	\n\t"
       "lxvd2x		47, %16, %2	\n\t"
       "lxvd2x		%x7, %16, %3	\n\t"

       "addi		%2, %2, 128	\n\t"
       "addi		%3, %3, 128	\n\t"

       "addic.		%1, %1, -16	\n\t"
       "bgt		one%=		\n"

     "two%=:				\n\t"

       "xvmaddadp	32, 40, 48	\n\t"
       "xvmaddadp	33, 41, 49	\n\t"
       "xvmaddadp	34, 42, 50	\n\t"
       "xvmaddadp	35, 43, 51	\n\t"
       "xvmaddadp	36, 44, %x4	\n\t"
       "xvmaddadp	37, 45, %x5	\n\t"
       "xvmaddadp	38, 46, %x6	\n\t"
       "xvmaddadp	39, 47, %x7	\n\t"

       "xvadddp		32, 32, 33	\n\t"
       "xvadddp		34, 34, 35	\n\t"
       "xvadddp		36, 36, 37	\n\t"
       "xvadddp		38, 38, 39	\n\t"

       "xvadddp		32, 32, 34	\n\t"
       "xvadddp		36, 36, 38	\n\t"

       "xvadddp		32, 32, 36	\n\t"

       XXSWAPD_S(33,32)

       "xsadddp		%x0, 32, 33	\n"

     "#dot=%0 n=%1 x=%8=%2 y=%9=%3 o16=%10 o32=%11 o48=%12 o64=%13 o80=%14 o96=%15 o122=%16\n"
     "#t0=%x4 t1=%x5 t2=%x6 t3=%x7"
     :
       "=d" (dot),	// 0
       "+r" (n),	// 1
       "+b" (x),	// 2
       "+b" (y),	// 3
       "=wa" (t0),	// 4
       "=wa" (t1),	// 5
       "=wa" (t2),	// 6
       "=wa" (t3)	// 7
     :
       "m" (*x),
       "m" (*y),
       "b" (16),	// 10
       "b" (32),	// 11
       "b" (48),	// 12
       "b" (64),	// 13
       "b" (80),	// 14
       "b" (96),	// 15
       "b" (112)	// 16
     :
       "cr0",
       "vs32","vs33","vs34","vs35","vs36","vs37","vs38","vs39",
       "vs40","vs41","vs42","vs43","vs44","vs45","vs46","vs47",
       "vs48","vs49","vs50","vs51"
     );

  return dot;
}
