OpenBLAS/kernel/power/daxpy_microk_power10.c

/***************************************************************************
Copyright (c) 2020, The OpenBLAS Project
All rights reserved.
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its contributors may be used to endorse or promote products
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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*****************************************************************************/

#define HAVE_KERNEL_8 1

static void daxpy_kernel_8 (long n, double *x, double *y, double alpha)
{
  __vector double t0;

  __asm__
    (
       XXSPLTD_S(%x4,%x6,0)

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

       "lxvp		32, 0(%2)	\n\t"
       "lxvp		34, 32(%2)	\n\t"
       "lxvp		40, 64(%2)	\n\t"
       "lxvp		42, 96(%2)	\n\t"

       "lxvp		36, 0(%3)	\n\t"
       "lxvp		38, 32(%3)	\n\t"
       "lxvp		44, 64(%3)	\n\t"
       "lxvp		46, 96(%3)	\n\t"

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

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

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

       "xvmaddadp	36, 32, %x4	\n\t"
       "xvmaddadp	37, 33, %x4	\n\t"

       "lxvp		32, 0(%2)	\n\t"
#if (__BYTE_ORDER__ == __ORDER_BIG_ENDIAN__)
       "stxv		36, 0(%3)	\n\t"
       "stxv		37, 16(%3)	\n\t"
#else
       "stxv		37, 0(%3)	\n\t"
       "stxv		36, 16(%3)	\n\t"
#endif

       "xvmaddadp	38, 34, %x4	\n\t"
       "xvmaddadp	39, 35, %x4	\n\t"

       "lxvp		34, 32(%2)	\n\t"
#if (__BYTE_ORDER__ == __ORDER_BIG_ENDIAN__)
       "stxv		38, 32(%3)	\n\t"
       "stxv		39, 48(%3)	\n\t"
#else
       "stxv		39, 32(%3)	\n\t"
       "stxv		38, 48(%3)	\n\t"
#endif

       "lxvp		36, 128(%3)	\n\t"
       "lxvp		38, 160(%3)	\n\t"

       "xvmaddadp	44, 40, %x4	\n\t"
       "xvmaddadp	45, 41, %x4	\n\t"

       "lxvp		40, 64(%2)	\n\t"
#if (__BYTE_ORDER__ == __ORDER_BIG_ENDIAN__)
       "stxv		44, 64(%3)	\n\t"
       "stxv		45, 80(%3)	\n\t"
#else
       "stxv		45, 64(%3)	\n\t"
       "stxv		44, 80(%3)	\n\t"
#endif

       "xvmaddadp	46, 42, %x4	\n\t"
       "xvmaddadp	47, 43, %x4	\n\t"

       "lxvp		42, 96(%2)	\n\t"
#if (__BYTE_ORDER__ == __ORDER_BIG_ENDIAN__)
       "stxv		46, 96(%3)	\n\t"
       "stxv		47, 112(%3)	\n\t"
#else
       "stxv		47, 96(%3)	\n\t"
       "stxv		46, 112(%3)	\n\t"
#endif

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

       "lxvp		44, 64(%3)	\n\t"
       "lxvp		46, 96(%3)	\n\t"

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

     "two%=:				\n\t"

       "xvmaddadp	36, 32, %x4	\n\t"
       "xvmaddadp	37, 33, %x4	\n\t"
       "xvmaddadp	38, 34, %x4	\n\t"
       "xvmaddadp	39, 35, %x4	\n\t"

       "xvmaddadp	44, 40, %x4	\n\t"
       "xvmaddadp	45, 41, %x4	\n\t"
       "xvmaddadp	46, 42, %x4	\n\t"
       "xvmaddadp	47, 43, %x4	\n\t"

#if (__BYTE_ORDER__ == __ORDER_BIG_ENDIAN__)
       "stxv		36, 0(%3)	\n\t"
       "stxv		37, 16(%3)	\n\t"
       "stxv		38, 32(%3)	\n\t"
       "stxv		39, 48(%3)	\n\t"
       "stxv		44, 64(%3)	\n\t"
       "stxv		45, 80(%3)	\n\t"
       "stxv		46, 96(%3)	\n\t"
       "stxv		47, 112(%3)	\n\t"
#else
       "stxv		37, 0(%3)	\n\t"
       "stxv		36, 16(%3)	\n\t"
       "stxv		39, 32(%3)	\n\t"
       "stxv		38, 48(%3)	\n\t"
       "stxv		45, 64(%3)	\n\t"
       "stxv		44, 80(%3)	\n\t"
       "stxv		47, 96(%3)	\n\t"
       "stxv		46, 112(%3)	\n\t"
#endif

     "#n=%1 x=%5=%2 y=%0=%3 alpha=%6 t0=%x4\n"
     :
       "+m" (*y),
       "+r" (n),	// 1
       "+b" (x),	// 2
       "+b" (y),	// 3
       "=wa" (t0)	// 4
     :
       "m" (*x),
       "d" (alpha)	// 6 
     :
       "cr0",
       "vs32","vs33","vs34","vs35","vs36","vs37", "vs38", "vs39",
       "vs40","vs41","vs42","vs43","vs44","vs45","vs46","vs47"
     );

}