OSchip
/
OpenBLAS

 
			
							/***************************************************************************
Copyright (c) 2013-2017, The OpenBLAS Project
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AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*****************************************************************************/

 
#include "common.h"


static void  __attribute__ ((noinline))  zswap_kernel_16(BLASLONG n, FLOAT *x, FLOAT *y)
{
         __asm__ volatile(
            "pfd 2, 0(%1) \n\t"
            "pfd 2, 0(%2) \n\t"
            "srlg %%r0,%0,4      \n\t"
            "xgr %%r1,%%r1       \n\t"
            ".align 16 \n\t"
            "1: \n\t"
            "pfd 2, 256(%%r1,%1) \n\t"
            "pfd 2, 256(%%r1,%2) \n\t"
            
            "vl  %%v16,   0(%%r1,%1) \n\t" 
            "vl  %%v17,  16(%%r1,%1) \n\t" 
            "vl  %%v18,  32(%%r1,%1) \n\t" 
            "vl  %%v19,  48(%%r1,%1) \n\t"  
            "vl  %%v20,  64(%%r1,%1) \n\t" 
            "vl  %%v21,  80(%%r1,%1) \n\t" 
            "vl  %%v22,  96(%%r1,%1) \n\t" 
            "vl  %%v23, 112(%%r1,%1) \n\t"
            "vl  %%v24, 128(%%r1,%1) \n\t" 
            "vl  %%v25, 144(%%r1,%1) \n\t" 
            "vl  %%v26, 160(%%r1,%1) \n\t" 
            "vl  %%v27, 176(%%r1,%1) \n\t" 
            "vl  %%v28, 192(%%r1,%1) \n\t" 
            "vl  %%v29, 208(%%r1,%1) \n\t" 
            "vl  %%v30, 224(%%r1,%1) \n\t" 
            "vl  %%v31, 240(%%r1,%1) \n\t"


            "vl  %%v0,    0(%%r1,%2) \n\t" 
            "vl  %%v1,   16(%%r1,%2) \n\t" 
            "vl  %%v2,   32(%%r1,%2) \n\t" 
            "vl  %%v3,   48(%%r1,%2) \n\t"  
            "vl  %%v4,   64(%%r1,%2) \n\t" 
            "vl  %%v5,   80(%%r1,%2) \n\t" 
            "vl  %%v6,   96(%%r1,%2) \n\t" 
            "vl  %%v7,  112(%%r1,%2) \n\t"
            "vst %%v0,    0(%%r1,%1) \n\t" 
            "vst %%v1,   16(%%r1,%1) \n\t" 
            "vst %%v2,   32(%%r1,%1) \n\t" 
            "vst %%v3,   48(%%r1,%1) \n\t"  
            "vst %%v4,   64(%%r1,%1) \n\t" 
            "vst %%v5,   80(%%r1,%1) \n\t" 
            "vst %%v6,   96(%%r1,%1) \n\t" 
            "vst %%v7,  112(%%r1,%1) \n\t" 

            "vl  %%v0,  128(%%r1,%2) \n\t" 
            "vl  %%v1,  144(%%r1,%2) \n\t" 
            "vl  %%v2,  160(%%r1,%2) \n\t" 
            "vl  %%v3,  176(%%r1,%2) \n\t"  
            "vl  %%v4,  192(%%r1,%2) \n\t" 
            "vl  %%v5,  208(%%r1,%2) \n\t" 
            "vl  %%v6,  224(%%r1,%2) \n\t" 
            "vl  %%v7,  240(%%r1,%2) \n\t" 
            "vst %%v0,  128(%%r1,%1) \n\t" 
            "vst %%v1,  144(%%r1,%1) \n\t" 
            "vst %%v2,  160(%%r1,%1) \n\t" 
            "vst %%v3,  176(%%r1,%1) \n\t"  
            "vst %%v4,  192(%%r1,%1) \n\t" 
            "vst %%v5,  208(%%r1,%1) \n\t" 
            "vst %%v6,  224(%%r1,%1) \n\t" 
            "vst %%v7,  240(%%r1,%1) \n\t"

            "vst %%v16,   0(%%r1,%2) \n\t" 
            "vst %%v17,  16(%%r1,%2) \n\t" 
            "vst %%v18,  32(%%r1,%2) \n\t" 
            "vst %%v19,  48(%%r1,%2) \n\t"  
            "vst %%v20,  64(%%r1,%2) \n\t" 
            "vst %%v21,  80(%%r1,%2) \n\t" 
            "vst %%v22,  96(%%r1,%2) \n\t" 
            "vst %%v23, 112(%%r1,%2) \n\t"
            "vst %%v24, 128(%%r1,%2) \n\t" 
            "vst %%v25, 144(%%r1,%2) \n\t" 
            "vst %%v26, 160(%%r1,%2) \n\t" 
            "vst %%v27, 176(%%r1,%2) \n\t" 
            "vst %%v28, 192(%%r1,%2) \n\t" 
            "vst %%v29, 208(%%r1,%2) \n\t" 
            "vst %%v30, 224(%%r1,%2) \n\t" 
            "vst %%v31, 240(%%r1,%2) \n\t"
 
          
            "la %%r1,256(%%r1) \n\t"
            "brctg %%r0,1b"
            :
            : "r"(n), "a"(x), "a"(y)
            :"cc", "memory","r0","r1", "v0","v1","v2","v3","v4","v5","v6","v7","v16",
            "v17","v18","v19","v20","v21","v22","v23","v24","v25","v26","v27","v28","v29","v30","v31"
            );
    return;

}


int CNAME(BLASLONG n, BLASLONG dummy0, BLASLONG dummy1, FLOAT dummy3, FLOAT dummy4, FLOAT *x, BLASLONG inc_x, FLOAT *y, BLASLONG inc_y, FLOAT *dummy, BLASLONG dummy2)
{
    BLASLONG i=0;
    BLASLONG ix=0,iy=0;
    FLOAT temp[2];
    BLASLONG inc_x2, inc_y2;

    if ( n <= 0     )  return(0);

    if ( (inc_x == 1) && (inc_y == 1 ))
    {

        BLASLONG n1 = n & -16;
        if ( n1 > 0 )
        {
            zswap_kernel_16(n1, x, y);
            i=n1;
            ix = 2* n1;
            iy = 2* n1;
        }

        while(i < n)
        {

            temp[0]  = x[ix]   ;
            temp[1]  = x[ix+1] ;
            x[ix]    = y[iy]   ;
            x[ix+1]  = y[iy+1] ;
            y[iy]    = temp[0] ;
            y[iy+1]  = temp[1] ;

            ix += 2 ;
            iy += 2 ;
            i++ ;


        }


    }
    else
    {

        inc_x2 = 2 * inc_x;
        inc_y2 = 2 * inc_y;

        while(i < n)
        {

            temp[0]  = x[ix]   ;
            temp[1]  = x[ix+1] ;
            x[ix]    = y[iy]   ;
            x[ix+1]  = y[iy+1] ;
            y[iy]    = temp[0] ;
            y[iy+1]  = temp[1] ;

            ix += inc_x2 ;
            iy += inc_y2 ;
            i++ ;

        }

    }
    return(0);
    

}