OpenBLAS/kernel/power/sasum_microk_power10.c

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#define HAVE_KERNEL_32 1

static float sasum_kernel_32 (long n, float *x)
{
  float sum;
  __vector float t0;
  __vector float t1;
  __vector float t2;
  __vector float 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, -32	\n\t"
       "ble		two%=		\n\t"

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

       "xvabssp		48, 40		\n\t"
       "xvabssp		49, 41		\n\t"
       "xvabssp		50, 42		\n\t"
       "xvabssp		51, 43		\n\t"
       "lxvp		40, 0(%2)	\n\t"

       "xvabssp		%x3, 44		\n\t"
       "xvabssp		%x4, 45		\n\t"
       "lxvp		42, 32(%2)	\n\t"

       "xvabssp		%x5, 46		\n\t"
       "xvabssp		%x6, 47		\n\t"
       "lxvp		44, 64(%2)	\n\t"

       "xvaddsp		32, 32, 48	\n\t"
       "xvaddsp		33, 33, 49	\n\t"

       "lxvp		46, 96(%2)	\n\t"

       "xvaddsp		34, 34, 50	\n\t"
       "xvaddsp		35, 35, 51	\n\t"
       "addi		%2, %2, 128	\n\t"
       "xvaddsp		36, 36, %x3	\n\t"
       "xvaddsp		37, 37, %x4	\n\t"
       "addic.		%1, %1, -32	\n\t"
       "xvaddsp		38, 38, %x5	\n\t"
       "xvaddsp		39, 39, %x6	\n\t"

       "bgt		one%=		\n"

     "two%=:				\n\t"

       "xvabssp		48, 40		\n\t"
       "xvabssp		49, 41		\n\t"
       "xvabssp		50, 42		\n\t"
       "xvabssp		51, 43		\n\t"
       "xvabssp		%x3, 44		\n\t"
       "xvabssp		%x4, 45		\n\t"
       "xvabssp		%x5, 46		\n\t"
       "xvabssp		%x6, 47		\n\t"

       "xvaddsp		32, 32, 48	\n\t"
       "xvaddsp		33, 33, 49	\n\t"
       "xvaddsp		34, 34, 50	\n\t"
       "xvaddsp		35, 35, 51	\n\t"
       "xvaddsp		36, 36, %x3	\n\t"
       "xvaddsp		37, 37, %x4	\n\t"
       "xvaddsp		38, 38, %x5	\n\t"
       "xvaddsp		39, 39, %x6	\n\t"

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

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

       "xvaddsp		32, 32, 36	\n\t"

       "xxsldwi		33, 32, 32, 2	\n\t"
       "xvaddsp		32, 32, 33	\n\t"

       "xxsldwi		33, 32, 32, 1	\n\t"
       "xvaddsp		32, 32, 33	\n\t"

       "xscvspdp	%x0, 32		\n"

     "#n=%1 x=%3=%2 sum=%0\n"
     "#t0=%x3 t1=%x4 t2=%x5 t3=%x6"
     :
       "=f" (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;
}