OpenBLAS/kernel/generic/zgemm_tcopy_1.c

/*********************************************************************/
/* Copyright 2009, 2010 The University of Texas at Austin.           */
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/*********************************************************************/

#include <stdio.h>
#include "common.h"

int CNAME(BLASLONG m, BLASLONG n, FLOAT *a, BLASLONG lda, FLOAT *b){

  BLASLONG i, j;
  FLOAT *a_offset;
  FLOAT *b_offset, *b_offset1;
  FLOAT  ctemp1,  ctemp2,  ctemp3,  ctemp4;
  FLOAT  ctemp5,  ctemp6,  ctemp7,  ctemp8;

  a_offset = a;
  b_offset = b;

  lda *= 2;

  j = m;

  m *= 2;

  if (j > 0){
    do {
      b_offset1 = b_offset;
      b_offset += 2;

      i = (n >> 2);
      if (i > 0){
	do{
	  ctemp1  = *(a_offset +  0);
	  ctemp2  = *(a_offset +  1);
	  ctemp3  = *(a_offset +  2);
	  ctemp4  = *(a_offset +  3);

	  ctemp5  = *(a_offset +  4);
	  ctemp6  = *(a_offset +  5);
	  ctemp7  = *(a_offset +  6);
	  ctemp8  = *(a_offset +  7);

	  *(b_offset1 + 0) = ctemp1;
	  *(b_offset1 + 1) = ctemp2;

	  b_offset1 += m;

	  *(b_offset1 + 0) = ctemp3;
	  *(b_offset1 + 1) = ctemp4;

	  b_offset1 += m;

	  *(b_offset1 + 0) = ctemp5;
	  *(b_offset1 + 1) = ctemp6;

	  b_offset1 += m;

	  *(b_offset1 + 0) = ctemp7;
	  *(b_offset1 + 1) = ctemp8;

	  b_offset1 += m;
	  a_offset += 8;
	  i --;
	} while(i>0);
      }

      i = (n & 3);
      if (i > 0){
	do {
	  ctemp1  = *(a_offset +  0);
	  ctemp2  = *(a_offset +  1);

	  *(b_offset1 + 0) = ctemp1;
	  *(b_offset1 + 1) = ctemp2;

	  b_offset1 += m;
	  a_offset += 2;
	  i --;
	} while(i > 0);
      }
      a_offset += lda - n * 2;
      j --;
    } while (j > 0);
  }

  return 0;
}