text: /***************************************************************************
  Copyright (c) 2021, The OpenBLAS Project
  All rights reserved.
  Redistribution and use in source and binary forms, with or without
  modification, are permitted provided that the following conditions are
  met:
  1. Redistributions of source code must retain the above copyright
  notice, this list of conditions and the following disclaimer.
  2. Redistributions in binary form must reproduce the above copyright
  notice, this list of conditions and the following disclaimer in
  the documentation and/or other materials provided with the
  distribution.
  3. Neither the name of the OpenBLAS project nor the names of
  its contributors may be used to endorse or promote products
  derived from this software without specific prior written permission.
  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  ARE DISCLAIMED. IN NO EVENT SHALL THE OPENBLAS PROJECT OR CONTRIBUTORS BE
  LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
  SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
  CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
  OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
  USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  *****************************************************************************/
  
  #define HAVE_KERNEL_16 1
  
  static double dasum_kernel_16 (long n, double *x)
  {
    double sum;
    __vector double t0;
    __vector double t1;
    __vector double t2;
    __vector double t3;
  
    __asm__
      (
         "dcbt		0, %2		\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"
  
         "lxvp            40, 0(%2)       \n\t"
         "lxvp            42, 32(%2)      \n\t"
         "lxvp            44, 64(%2)      \n\t"
         "lxvp            46, 96(%2)      \n\t"
  
         "addi		%2, %2, 128	\n\t"
  
         "addic.		%1, %1, -16	\n\t"
         "ble		two%=		\n\t"
  
         ".align	5		\n"
       "one%=:				\n\t"
  
         "xvabsdp		48, 40		\n\t"
         "xvabsdp		49, 41		\n\t"
         "xvabsdp		50, 42		\n\t"
         "xvabsdp		51, 43		\n\t"
         "lxvp            40, 0(%2)       \n\t"
  
  
         "xvabsdp		%x3, 44		\n\t"
         "xvabsdp		%x4, 45		\n\t"
         "lxvp            42, 32(%2)      \n\t"
  
  
         "xvabsdp		%x5, 46		\n\t"
         "xvabsdp		%x6, 47		\n\t"
         "lxvp            44, 64(%2)      \n\t"
  
  
         "xvadddp		32, 32, 48	\n\t"
         "xvadddp		33, 33, 49	\n\t"
  
         "lxvp            46, 96(%2)      \n\t"
  
         "xvadddp		34, 34, 50	\n\t"
         "xvadddp		35, 35, 51	\n\t"
         "addi		%2, %2, 128	\n\t"
         "xvadddp		36, 36, %x3	\n\t"
         "xvadddp		37, 37, %x4	\n\t"
         "addic.		%1, %1, -16	\n\t"
         "xvadddp		38, 38, %x5	\n\t"
         "xvadddp		39, 39, %x6	\n\t"
  
         "bgt		one%=		\n"
  
       "two%=:				\n\t"
  
         "xvabsdp		48, 40		\n\t"
         "xvabsdp		49, 41		\n\t"
         "xvabsdp		50, 42		\n\t"
         "xvabsdp		51, 43		\n\t"
         "xvabsdp		%x3, 44		\n\t"
         "xvabsdp		%x4, 45		\n\t"
         "xvabsdp		%x5, 46		\n\t"
         "xvabsdp		%x6, 47		\n\t"
  
         "xvadddp		32, 32, 48	\n\t"
         "xvadddp		33, 33, 49	\n\t"
         "xvadddp		34, 34, 50	\n\t"
         "xvadddp		35, 35, 51	\n\t"
         "xvadddp		36, 36, %x3	\n\t"
         "xvadddp		37, 37, %x4	\n\t"
         "xvadddp		38, 38, %x5	\n\t"
         "xvadddp		39, 39, %x6	\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"
  
       "#n=%1 x=%3=%2 sum=%0\n"
       "#t0=%x3 t1=%x4 t2=%x5 t3=%x6"
       :
         "=d" (sum),	// 0
         "+r" (n),	// 1
         "+b" (x),	// 2
         "=wa" (t0),	// 3
         "=wa" (t1),	// 4
         "=wa" (t2),	// 5
         "=wa" (t3)	// 6
       :
         "m" (*x)
       :
         "cr0",
         "vs32","vs33","vs34","vs35","vs36","vs37","vs38","vs39",
         "vs40","vs41","vs42","vs43","vs44","vs45","vs46","vs47",
         "vs48","vs49","vs50","vs51"
       );
  
    return sum;
  }
  
  
  