OpenBLAS/kernel/power/cswap_microk_power8.c

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/**************************************************************************************
* 2016/03/27 Werner Saar (wernsaar@googlemail.com)
* 	 BLASTEST 		: OK
* 	 CTEST			: OK
* 	 TEST			: OK
*	 LAPACK-TEST		: OK
**************************************************************************************/

#define HAVE_KERNEL_32 1

static void cswap_kernel_32( BLASLONG n, FLOAT *x, FLOAT *y) __attribute__ ((noinline));

static void cswap_kernel_32( BLASLONG n, FLOAT *x, FLOAT *y)
{


	BLASLONG i = n;
	BLASLONG o16 = 16;
	BLASLONG o32 = 32;
	BLASLONG o48 = 48;
	BLASLONG o64 = 64;
	BLASLONG o80 = 80;
	BLASLONG o96 = 96;
	BLASLONG o112 = 112;
	FLOAT *x1=x;
	FLOAT *y1=y;
	FLOAT *x2=x+1;
	FLOAT *y2=y+1;
	BLASLONG pre = 384;
	BLASLONG alpha=0;

	__asm__  __volatile__
	(

	"addi		%3, %3, -4			    \n\t"	
	"addi		%4, %4, -4			    \n\t"	

	".align 5				            \n\t"
	"1:				                    \n\t"

	"lxvw4x		32, 0, %2			    \n\t"
	"lxvw4x		33, %5, %2			    \n\t"
	"lxvw4x		34, %6, %2			    \n\t"
	"lxvw4x		35, %7, %2			    \n\t"
	"lxvw4x		36, %8, %2			    \n\t"
	"lxvw4x		37, %9, %2			    \n\t"
	"lxvw4x		38, %10, %2			    \n\t"
	"lxvw4x		39, %11, %2			    \n\t"

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

	"lxvw4x		40, 0, %2			    \n\t"
	"lxvw4x		41, %5, %2			    \n\t"
	"lxvw4x		42, %6, %2			    \n\t"
	"lxvw4x		43, %7, %2			    \n\t"
	"lxvw4x		44, %8, %2			    \n\t"
	"lxvw4x		45, %9, %2			    \n\t"
	"lxvw4x		46, %10, %2			    \n\t"
	"lxvw4x		47, %11, %2			    \n\t"

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

	"lxvw4x		48, 0, %1			    \n\t"
	"lxvw4x		49, %5, %1			    \n\t"
	"lxvw4x		50, %6, %1			    \n\t"
	"lxvw4x		51, %7, %1			    \n\t"
	"lxvw4x		52, %8, %1			    \n\t"
	"lxvw4x		53, %9, %1			    \n\t"
	"lxvw4x		54, %10, %1			    \n\t"
	"lxvw4x		55, %11, %1			    \n\t"

	"addi		%1, %1, 128			    \n\t"

	"lxvw4x		56, 0, %1			    \n\t"
	"lxvw4x		57, %5, %1			    \n\t"
	"lxvw4x		58, %6, %1			    \n\t"
	"lxvw4x		59, %7, %1			    \n\t"
	"lxvw4x		60, %8, %1			    \n\t"
	"lxvw4x		61, %9, %1			    \n\t"
	"lxvw4x		62, %10, %1			    \n\t"
	"lxvw4x		63, %11, %1			    \n\t"

	"addi		%1, %1, 128			    \n\t"

	"stxvw4x		32, 0, %3			    \n\t"
	"stxvw4x		33, %5, %3			    \n\t"
	"stxvw4x		34, %6, %3			    \n\t"
	"stxvw4x		35, %7, %3			    \n\t"
	"stxvw4x		36, %8, %3			    \n\t"
	"stxvw4x		37, %9, %3			    \n\t"
	"stxvw4x		38, %10, %3			    \n\t"
	"stxvw4x		39, %11, %3			    \n\t"

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

	"stxvw4x		40, 0, %3			    \n\t"
	"stxvw4x		41, %5, %3			    \n\t"
	"stxvw4x		42, %6, %3			    \n\t"
	"stxvw4x		43, %7, %3			    \n\t"
	"stxvw4x		44, %8, %3			    \n\t"
	"stxvw4x		45, %9, %3			    \n\t"
	"stxvw4x		46, %10, %3			    \n\t"
	"stxvw4x		47, %11, %3			    \n\t"

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

	"stxvw4x		48, 0, %4			    \n\t"
	"stxvw4x		49, %5, %4			    \n\t"
	"stxvw4x		50, %6, %4			    \n\t"
	"stxvw4x		51, %7, %4			    \n\t"
	"stxvw4x		52, %8, %4			    \n\t"
	"stxvw4x		53, %9, %4			    \n\t"
	"stxvw4x		54, %10, %4			    \n\t"
	"stxvw4x		55, %11, %4			    \n\t"

	"addi		%4, %4, 128			    \n\t"

	"stxvw4x		56, 0, %4			    \n\t"
	"stxvw4x		57, %5, %4			    \n\t"
	"stxvw4x		58, %6, %4			    \n\t"
	"stxvw4x		59, %7, %4			    \n\t"
	"stxvw4x		60, %8, %4			    \n\t"
	"stxvw4x		61, %9, %4			    \n\t"
	"stxvw4x		62, %10, %4			    \n\t"
	"stxvw4x		63, %11, %4			    \n\t"

	"addi		%4, %4, 128			    \n\t"

	"addic.		%0 , %0	, -32  	 	             \n\t"
	"bgt		1b		             	     \n\t"

	"2:						     \n\t"

	:
        : 
          "r" (i),	// 0	
	  "r" (y1),  	// 1
          "r" (x1),     // 2
          "r" (y2),     // 3
          "r" (x2),     // 4
	  "r" (o16),	// 5
	  "r" (o32),	// 6
	  "r" (o48),    // 7
          "r" (o64),    // 8
          "r" (o80),    // 9
          "r" (o96),    // 10
          "r" (o112)    // 11
	: "cr0", "%0", "%2" , "%1", "%3", "%4", "memory"
	);

}