OpenBLAS/kernel/power/sbgemm_tcopy_8_power10.c

/*********************************************************************/
/* Copyright 2009, 2010 The University of Texas at Austin.           */
/* All rights reserved.                                              */
/*                                                                   */
/* Redistribution and use in source and binary forms, with or        */
/* without modification, are permitted provided that the following   */
/* conditions are met:                                               */
/*                                                                   */
/*   1. Redistributions of source code must retain the above         */
/*      copyright notice, this list of conditions and the following  */
/*      disclaimer.                                                  */
/*                                                                   */
/*   2. Redistributions in binary form must reproduce the above      */
/*      copyright notice, this list of conditions and the following  */
/*      disclaimer in the documentation and/or other materials       */
/*      provided with the distribution.                              */
/*                                                                   */
/*    THIS  SOFTWARE IS PROVIDED  BY THE  UNIVERSITY OF  TEXAS AT    */
/*    AUSTIN  ``AS IS''  AND ANY  EXPRESS OR  IMPLIED WARRANTIES,    */
/*    INCLUDING, BUT  NOT LIMITED  TO, THE IMPLIED  WARRANTIES OF    */
/*    MERCHANTABILITY  AND FITNESS FOR  A PARTICULAR  PURPOSE ARE    */
/*    DISCLAIMED.  IN  NO EVENT SHALL THE UNIVERSITY  OF TEXAS AT    */
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/*                                                                   */
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/* documentation are those of the authors and should not be          */
/* interpreted as representing official policies, either expressed   */
/* or implied, of The University of Texas at Austin.                 */
/*********************************************************************/

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

typedef IFLOAT vec_bf16 __attribute__ ((vector_size (16)));

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

  BLASLONG i, j;

  IFLOAT *aoffset;
  IFLOAT *aoffset1, *aoffset2, *aoffset3, *aoffset4;
  IFLOAT *aoffset5, *aoffset6, *aoffset7, *aoffset8;

  IFLOAT *boffset,  *boffset1, *boffset2, *boffset3, *boffset4;
  vec_bf16 vtemp01, vtemp02, vtemp03, vtemp04;
  vec_bf16 vtemp05, vtemp06, vtemp07, vtemp08;
  IFLOAT ctemp01, ctemp02, ctemp03, ctemp04;
  IFLOAT ctemp05, ctemp06, ctemp07, ctemp08;
  IFLOAT ctemp09, ctemp10, ctemp11, ctemp12;
  IFLOAT ctemp13, ctemp14, ctemp15, ctemp16;
  IFLOAT ctemp17, ctemp18, ctemp19, ctemp20;
  IFLOAT ctemp21, ctemp22, ctemp23, ctemp24;
  IFLOAT ctemp25, ctemp26, ctemp27, ctemp28;
  IFLOAT ctemp29, ctemp30, ctemp31, ctemp32;

  aoffset   = a;
  boffset   = b;

#if 0
  fprintf(stderr, "M = %d N = %d\n", m, n);
#endif

  boffset2  = b + m  * (n & ~7);
  boffset3  = b + m  * (n & ~3);
  boffset4  = b + m  * (n & ~1);

  j = (m >> 3);
  if (j > 0){
    do{
      aoffset1  = aoffset;
      aoffset2  = aoffset1 + lda;
      aoffset3  = aoffset2 + lda;
      aoffset4  = aoffset3 + lda;
      aoffset5  = aoffset4 + lda;
      aoffset6  = aoffset5 + lda;
      aoffset7  = aoffset6 + lda;
      aoffset8  = aoffset7 + lda;
      aoffset += 8 * lda;

      boffset1  = boffset;
      boffset  += 64;

      i = (n >> 3);
      if (i > 0){
	do{
	  vtemp01 = *(vec_bf16 *)(aoffset1);
	  vtemp02 = *(vec_bf16 *)(aoffset2);
	  vtemp03 = *(vec_bf16 *)(aoffset3);
	  vtemp04 = *(vec_bf16 *)(aoffset4);
	  vtemp05 = *(vec_bf16 *)(aoffset5);
	  vtemp06 = *(vec_bf16 *)(aoffset6);
	  vtemp07 = *(vec_bf16 *)(aoffset7);
	  vtemp08 = *(vec_bf16 *)(aoffset8);
	  aoffset1 += 8;
	  aoffset2 += 8;
	  aoffset3 += 8;
	  aoffset4 += 8;
	  aoffset5 += 8;
	  aoffset6 += 8;
	  aoffset7 += 8;
	  aoffset8 += 8;

	  *(vec_bf16 *)(boffset1 + 0) = vec_mergeh(vtemp01, vtemp02);
	  *(vec_bf16 *)(boffset1 + 8) = vec_mergel(vtemp01, vtemp02);
	  *(vec_bf16 *)(boffset1 + 16) = vec_mergeh(vtemp03, vtemp04);
	  *(vec_bf16 *)(boffset1 + 24) = vec_mergel(vtemp03, vtemp04);
	  *(vec_bf16 *)(boffset1 + 32) = vec_mergeh(vtemp05, vtemp06);
	  *(vec_bf16 *)(boffset1 + 40) = vec_mergel(vtemp05, vtemp06);
	  *(vec_bf16 *)(boffset1 + 48) = vec_mergeh(vtemp07, vtemp08);
	  *(vec_bf16 *)(boffset1 + 56) = vec_mergel(vtemp07, vtemp08);

	  boffset1 += m * 8;
	  i --;
	}while(i > 0);
      }

      if (n & 4){
	ctemp01 = *(aoffset1 + 0);
	ctemp02 = *(aoffset1 + 1);
	ctemp03 = *(aoffset1 + 2);
	ctemp04 = *(aoffset1 + 3);
	aoffset1 += 4;

	ctemp05 = *(aoffset2 + 0);
	ctemp06 = *(aoffset2 + 1);
	ctemp07 = *(aoffset2 + 2);
	ctemp08 = *(aoffset2 + 3);
	aoffset2 += 4;

	ctemp09 = *(aoffset3 + 0);
	ctemp10 = *(aoffset3 + 1);
	ctemp11 = *(aoffset3 + 2);
	ctemp12 = *(aoffset3 + 3);
	aoffset3 += 4;

	ctemp13 = *(aoffset4 + 0);
	ctemp14 = *(aoffset4 + 1);
	ctemp15 = *(aoffset4 + 2);
	ctemp16 = *(aoffset4 + 3);
	aoffset4 += 4;

	ctemp17 = *(aoffset5 + 0);
	ctemp18 = *(aoffset5 + 1);
	ctemp19 = *(aoffset5 + 2);
	ctemp20 = *(aoffset5 + 3);
	aoffset5 += 4;

	ctemp21 = *(aoffset6 + 0);
	ctemp22 = *(aoffset6 + 1);
	ctemp23 = *(aoffset6 + 2);
	ctemp24 = *(aoffset6 + 3);
	aoffset6 += 4;

	ctemp25 = *(aoffset7 + 0);
	ctemp26 = *(aoffset7 + 1);
	ctemp27 = *(aoffset7 + 2);
	ctemp28 = *(aoffset7 + 3);
	aoffset7 += 4;

	ctemp29 = *(aoffset8 + 0);
	ctemp30 = *(aoffset8 + 1);
	ctemp31 = *(aoffset8 + 2);
	ctemp32 = *(aoffset8 + 3);
	aoffset8 += 4;

        *(boffset2 +  0) = ctemp01;
        *(boffset2 +  1) = ctemp05;
        *(boffset2 +  2) = ctemp02;
        *(boffset2 +  3) = ctemp06;
        *(boffset2 +  4) = ctemp03;
        *(boffset2 +  5) = ctemp07;
        *(boffset2 +  6) = ctemp04;
        *(boffset2 +  7) = ctemp08;

        *(boffset2 +  8) = ctemp09;
        *(boffset2 +  9) = ctemp13;
        *(boffset2 + 10) = ctemp10;
        *(boffset2 + 11) = ctemp14;
        *(boffset2 + 12) = ctemp11;
        *(boffset2 + 13) = ctemp15;
        *(boffset2 + 14) = ctemp12;
        *(boffset2 + 15) = ctemp16;

	*(boffset2 + 16) = ctemp17;
	*(boffset2 + 17) = ctemp21;
	*(boffset2 + 18) = ctemp18;
	*(boffset2 + 19) = ctemp22;
	*(boffset2 + 20) = ctemp19;
	*(boffset2 + 21) = ctemp23;
	*(boffset2 + 22) = ctemp20;
	*(boffset2 + 23) = ctemp24;

	*(boffset2 + 24) = ctemp25;
	*(boffset2 + 25) = ctemp29;
	*(boffset2 + 26) = ctemp26;
	*(boffset2 + 27) = ctemp30;
	*(boffset2 + 28) = ctemp27;
	*(boffset2 + 29) = ctemp31;
	*(boffset2 + 30) = ctemp28;
	*(boffset2 + 31) = ctemp32;

	boffset2 += 32;
      }

      if (n & 2){
	ctemp01 = *(aoffset1 + 0);
	ctemp02 = *(aoffset1 + 1);
	aoffset1 += 2;

	ctemp03 = *(aoffset2 + 0);
	ctemp04 = *(aoffset2 + 1);
	aoffset2 += 2;

	ctemp05 = *(aoffset3 + 0);
	ctemp06 = *(aoffset3 + 1);
	aoffset3 += 2;

	ctemp07 = *(aoffset4 + 0);
	ctemp08 = *(aoffset4 + 1);
	aoffset4 += 2;

	ctemp09 = *(aoffset5 + 0);
	ctemp10 = *(aoffset5 + 1);
	aoffset5 += 2;

	ctemp11 = *(aoffset6 + 0);
	ctemp12 = *(aoffset6 + 1);
	aoffset6 += 2;

	ctemp13 = *(aoffset7 + 0);
	ctemp14 = *(aoffset7 + 1);
	aoffset7 += 2;

	ctemp15 = *(aoffset8 + 0);
	ctemp16 = *(aoffset8 + 1);
	aoffset8 += 2;

	*(boffset3 +  0) = ctemp01;
	*(boffset3 +  1) = ctemp02;
	*(boffset3 +  2) = ctemp03;
	*(boffset3 +  3) = ctemp04;
	*(boffset3 +  4) = ctemp05;
	*(boffset3 +  5) = ctemp06;
	*(boffset3 +  6) = ctemp07;
	*(boffset3 +  7) = ctemp08;
	*(boffset3 +  8) = ctemp09;
	*(boffset3 +  9) = ctemp10;
	*(boffset3 + 10) = ctemp11;
	*(boffset3 + 11) = ctemp12;
	*(boffset3 + 12) = ctemp13;
	*(boffset3 + 13) = ctemp14;
	*(boffset3 + 14) = ctemp15;
	*(boffset3 + 15) = ctemp16;
	boffset3 += 16;
      }

      if (n & 1){
	ctemp01 = *(aoffset1 + 0);
	aoffset1 ++;
	ctemp02 = *(aoffset2 + 0);
	aoffset2 ++;
	ctemp03 = *(aoffset3 + 0);
	aoffset3 ++;
	ctemp04 = *(aoffset4 + 0);
	aoffset4 ++;
	ctemp05 = *(aoffset5 + 0);
	aoffset5 ++;
	ctemp06 = *(aoffset6 + 0);
	aoffset6 ++;
	ctemp07 = *(aoffset7 + 0);
	aoffset7 ++;
	ctemp08 = *(aoffset8 + 0);
	aoffset8 ++;

	*(boffset4 +  0) = ctemp01;
	*(boffset4 +  1) = ctemp02;
	*(boffset4 +  2) = ctemp03;
	*(boffset4 +  3) = ctemp04;
	*(boffset4 +  4) = ctemp05;
	*(boffset4 +  5) = ctemp06;
	*(boffset4 +  6) = ctemp07;
	*(boffset4 +  7) = ctemp08;
	boffset4 += 8;
      }

      j--;
    }while(j > 0);
  }

  if (m & 4){

    aoffset1  = aoffset;
    aoffset2  = aoffset1 + lda;
    aoffset3  = aoffset2 + lda;
    aoffset4  = aoffset3 + lda;
    aoffset += 4 * lda;

    boffset1  = boffset;
    boffset  += 32;

    i = (n >> 3);
    if (i > 0){

      do{
	ctemp01 = *(aoffset1 + 0);
	ctemp02 = *(aoffset1 + 1);
	ctemp03 = *(aoffset1 + 2);
	ctemp04 = *(aoffset1 + 3);
	ctemp05 = *(aoffset1 + 4);
	ctemp06 = *(aoffset1 + 5);
	ctemp07 = *(aoffset1 + 6);
	ctemp08 = *(aoffset1 + 7);
	aoffset1 += 8;

	ctemp09 = *(aoffset2 + 0);
	ctemp10 = *(aoffset2 + 1);
	ctemp11 = *(aoffset2 + 2);
	ctemp12 = *(aoffset2 + 3);
	ctemp13 = *(aoffset2 + 4);
	ctemp14 = *(aoffset2 + 5);
	ctemp15 = *(aoffset2 + 6);
	ctemp16 = *(aoffset2 + 7);
	aoffset2 += 8;

	ctemp17 = *(aoffset3 + 0);
	ctemp18 = *(aoffset3 + 1);
	ctemp19 = *(aoffset3 + 2);
	ctemp20 = *(aoffset3 + 3);
	ctemp21 = *(aoffset3 + 4);
	ctemp22 = *(aoffset3 + 5);
	ctemp23 = *(aoffset3 + 6);
	ctemp24 = *(aoffset3 + 7);
	aoffset3 += 8;

	ctemp25 = *(aoffset4 + 0);
	ctemp26 = *(aoffset4 + 1);
	ctemp27 = *(aoffset4 + 2);
	ctemp28 = *(aoffset4 + 3);
	ctemp29 = *(aoffset4 + 4);
	ctemp30 = *(aoffset4 + 5);
	ctemp31 = *(aoffset4 + 6);
	ctemp32 = *(aoffset4 + 7);
	aoffset4 += 8;

	*(boffset1 +  0) = ctemp01;
	*(boffset1 +  1) = ctemp09;
	*(boffset1 +  2) = ctemp02;
	*(boffset1 +  3) = ctemp10;
	*(boffset1 +  4) = ctemp03;
	*(boffset1 +  5) = ctemp11;
	*(boffset1 +  6) = ctemp04;
	*(boffset1 +  7) = ctemp12;

	*(boffset1 +  8) = ctemp05;
	*(boffset1 +  9) = ctemp13;
	*(boffset1 + 10) = ctemp06;
	*(boffset1 + 11) = ctemp14;
	*(boffset1 + 12) = ctemp07;
	*(boffset1 + 13) = ctemp15;
	*(boffset1 + 14) = ctemp08;
	*(boffset1 + 15) = ctemp16;

	*(boffset1 + 16) = ctemp17;
	*(boffset1 + 17) = ctemp25;
	*(boffset1 + 18) = ctemp18;
	*(boffset1 + 19) = ctemp26;
	*(boffset1 + 20) = ctemp19;
	*(boffset1 + 21) = ctemp27;
	*(boffset1 + 22) = ctemp20;
	*(boffset1 + 23) = ctemp28;

	*(boffset1 + 24) = ctemp21;
	*(boffset1 + 25) = ctemp29;
	*(boffset1 + 26) = ctemp22;
	*(boffset1 + 27) = ctemp30;
	*(boffset1 + 28) = ctemp23;
	*(boffset1 + 29) = ctemp31;
	*(boffset1 + 30) = ctemp24;
	*(boffset1 + 31) = ctemp32;

	boffset1 += 8 * m;
	i --;
      }while(i > 0);
    }

    if (n & 4) {
      ctemp01 = *(aoffset1 + 0);
      ctemp02 = *(aoffset1 + 1);
      ctemp03 = *(aoffset1 + 2);
      ctemp04 = *(aoffset1 + 3);
      aoffset1 += 4;

      ctemp05 = *(aoffset2 + 0);
      ctemp06 = *(aoffset2 + 1);
      ctemp07 = *(aoffset2 + 2);
      ctemp08 = *(aoffset2 + 3);
      aoffset2 += 4;

      ctemp09 = *(aoffset3 + 0);
      ctemp10 = *(aoffset3 + 1);
      ctemp11 = *(aoffset3 + 2);
      ctemp12 = *(aoffset3 + 3);
      aoffset3 += 4;

      ctemp13 = *(aoffset4 + 0);
      ctemp14 = *(aoffset4 + 1);
      ctemp15 = *(aoffset4 + 2);
      ctemp16 = *(aoffset4 + 3);
      aoffset4 += 4;

      *(boffset2 +  0) = ctemp01;
      *(boffset2 +  1) = ctemp05;
      *(boffset2 +  2) = ctemp02;
      *(boffset2 +  3) = ctemp06;
      *(boffset2 +  4) = ctemp03;
      *(boffset2 +  5) = ctemp07;
      *(boffset2 +  6) = ctemp04;
      *(boffset2 +  7) = ctemp08;

      *(boffset2 +  8) = ctemp09;
      *(boffset2 +  9) = ctemp13;
      *(boffset2 + 10) = ctemp10;
      *(boffset2 + 11) = ctemp14;
      *(boffset2 + 12) = ctemp11;
      *(boffset2 + 13) = ctemp15;
      *(boffset2 + 14) = ctemp12;
      *(boffset2 + 15) = ctemp16;
      boffset2 += 16;
    }

    if (n & 2){
      ctemp01 = *(aoffset1 + 0);
      ctemp02 = *(aoffset1 + 1);
      aoffset1 += 2;

      ctemp03 = *(aoffset2 + 0);
      ctemp04 = *(aoffset2 + 1);
      aoffset2 += 2;

      ctemp05 = *(aoffset3 + 0);
      ctemp06 = *(aoffset3 + 1);
      aoffset3 += 2;

      ctemp07 = *(aoffset4 + 0);
      ctemp08 = *(aoffset4 + 1);
      aoffset4 += 2;

      *(boffset3 +  0) = ctemp01;
      *(boffset3 +  1) = ctemp02;
      *(boffset3 +  2) = ctemp03;
      *(boffset3 +  3) = ctemp04;
      *(boffset3 +  4) = ctemp05;
      *(boffset3 +  5) = ctemp06;
      *(boffset3 +  6) = ctemp07;
      *(boffset3 +  7) = ctemp08;
      boffset3 += 8;
    }

    if (n & 1){
      ctemp01 = *(aoffset1 + 0);
      aoffset1 ++;
      ctemp02 = *(aoffset2 + 0);
      aoffset2 ++;
      ctemp03 = *(aoffset3 + 0);
      aoffset3 ++;
      ctemp04 = *(aoffset4 + 0);
      aoffset4 ++;

      *(boffset4 +  0) = ctemp01;
      *(boffset4 +  1) = ctemp02;
      *(boffset4 +  2) = ctemp03;
      *(boffset4 +  3) = ctemp04;
      boffset4 += 4;
    }
  }

  if (m & 2){
    aoffset1  = aoffset;
    aoffset2  = aoffset1 + lda;
    aoffset += 2 * lda;

    boffset1  = boffset;
    boffset  += 16;

    i = (n >> 3);
    if (i > 0){
      do{
	ctemp01 = *(aoffset1 + 0);
	ctemp02 = *(aoffset1 + 1);
	ctemp03 = *(aoffset1 + 2);
	ctemp04 = *(aoffset1 + 3);
	ctemp05 = *(aoffset1 + 4);
	ctemp06 = *(aoffset1 + 5);
	ctemp07 = *(aoffset1 + 6);
	ctemp08 = *(aoffset1 + 7);
	aoffset1 += 8;

	ctemp09 = *(aoffset2 + 0);
	ctemp10 = *(aoffset2 + 1);
	ctemp11 = *(aoffset2 + 2);
	ctemp12 = *(aoffset2 + 3);
	ctemp13 = *(aoffset2 + 4);
	ctemp14 = *(aoffset2 + 5);
	ctemp15 = *(aoffset2 + 6);
	ctemp16 = *(aoffset2 + 7);
	aoffset2 += 8;

	*(boffset1 +  0) = ctemp01;
	*(boffset1 +  1) = ctemp09;
	*(boffset1 +  2) = ctemp02;
	*(boffset1 +  3) = ctemp10;
	*(boffset1 +  4) = ctemp03;
	*(boffset1 +  5) = ctemp11;
	*(boffset1 +  6) = ctemp04;
	*(boffset1 +  7) = ctemp12;

	*(boffset1 +  8) = ctemp05;
	*(boffset1 +  9) = ctemp13;
	*(boffset1 + 10) = ctemp06;
	*(boffset1 + 11) = ctemp14;
	*(boffset1 + 12) = ctemp07;
	*(boffset1 + 13) = ctemp15;
	*(boffset1 + 14) = ctemp08;
	*(boffset1 + 15) = ctemp16;

	boffset1 += 8 * m;
	i --;
      }while(i > 0);
    }

    if (n & 4){
      ctemp01 = *(aoffset1 + 0);
      ctemp02 = *(aoffset1 + 1);
      ctemp03 = *(aoffset1 + 2);
      ctemp04 = *(aoffset1 + 3);
      aoffset1 += 4;

      ctemp05 = *(aoffset2 + 0);
      ctemp06 = *(aoffset2 + 1);
      ctemp07 = *(aoffset2 + 2);
      ctemp08 = *(aoffset2 + 3);
      aoffset2 += 4;

      *(boffset2 +  0) = ctemp01;
      *(boffset2 +  1) = ctemp05;
      *(boffset2 +  2) = ctemp02;
      *(boffset2 +  3) = ctemp06;
      *(boffset2 +  4) = ctemp03;
      *(boffset2 +  5) = ctemp07;
      *(boffset2 +  6) = ctemp04;
      *(boffset2 +  7) = ctemp08;
      boffset2 += 8;
    }

    if (n & 2){
      ctemp01 = *(aoffset1 + 0);
      ctemp02 = *(aoffset1 + 1);
      aoffset1 += 2;

      ctemp03 = *(aoffset2 + 0);
      ctemp04 = *(aoffset2 + 1);
      aoffset2 += 2;

      *(boffset3 +  0) = ctemp01;
      *(boffset3 +  1) = ctemp02;
      *(boffset3 +  2) = ctemp03;
      *(boffset3 +  3) = ctemp04;
      boffset3 += 4;
    }

    if (n & 1){
      ctemp01 = *(aoffset1 + 0);
      aoffset1 ++;
      ctemp02 = *(aoffset2 + 0);
      aoffset2 ++;

      *(boffset4 +  0) = ctemp01;
      *(boffset4 +  1) = ctemp02;
      boffset4 += 2;
    }
  }

  if (m & 1){
    aoffset1  = aoffset;
    // aoffset += lda;

    boffset1  = boffset;
    // boffset  += 8;

    i = (n >> 3);
    if (i > 0){
      do{
	ctemp01 = *(aoffset1 + 0);
	ctemp02 = *(aoffset1 + 1);
	ctemp03 = *(aoffset1 + 2);
	ctemp04 = *(aoffset1 + 3);
	ctemp05 = *(aoffset1 + 4);
	ctemp06 = *(aoffset1 + 5);
	ctemp07 = *(aoffset1 + 6);
	ctemp08 = *(aoffset1 + 7);
	aoffset1 += 8;

	*(boffset1 +  0) = ctemp01;
	*(boffset1 +  1) = ctemp02;
	*(boffset1 +  2) = ctemp03;
	*(boffset1 +  3) = ctemp04;
	*(boffset1 +  4) = ctemp05;
	*(boffset1 +  5) = ctemp06;
	*(boffset1 +  6) = ctemp07;
	*(boffset1 +  7) = ctemp08;

	boffset1 += 8 * m;
	 i --;
       }while(i > 0);
     }

     if (n & 4){
       ctemp01 = *(aoffset1 + 0);
       ctemp02 = *(aoffset1 + 1);
       ctemp03 = *(aoffset1 + 2);
       ctemp04 = *(aoffset1 + 3);
       aoffset1 += 4;

       *(boffset2 +  0) = ctemp01;
       *(boffset2 +  1) = ctemp02;
       *(boffset2 +  2) = ctemp03;
       *(boffset2 +  3) = ctemp04;
       // boffset2 += 4;
     }

     if (n & 2){
       ctemp01 = *(aoffset1 + 0);
       ctemp02 = *(aoffset1 + 1);
       aoffset1 += 2;

       *(boffset3 +  0) = ctemp01;
       *(boffset3 +  1) = ctemp02;
       // boffset3 += 2;
     }

     if (n & 1){
       ctemp01 = *(aoffset1 + 0);
       aoffset1 ++;
      *(boffset4 +  0) = ctemp01;
      boffset4 ++;
    }
  }

  return 0;
}