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/*
* (C) Copyright IBM Corporation 2010
*
* 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.
* 3. The name of the ATLAS group or the names of its contributers may
* not be used to endorse or promote products derived from this
* software without specific written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* ``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 ATLAS GROUP OR ITS CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
*/
#if defined(__powerpc64__) && (__BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__)
/* FIXME: port to little-endian powerpc64. */
#else
#include <altivec.h>
#include "atlas_misc.h"
#include "atlas_prefetch.h" /* ATL_pfl1R, ATL_pfl1W */
#define VEC_SIZE 4
void ATL_USERMM
(const int M, const int N, const int K, const TYPE alpha,
const TYPE *At, const int lda, const TYPE *B, const int ldb,
const TYPE beta, TYPE *C, const int ldc)
{
long int i, j, k;
for (i=0; i < M; i+=8) {
#ifdef TREAL
TYPE *pc0 = &C[i+(0*ldc)];
TYPE *pc1 = &C[i+(1*ldc)];
#else
TYPE *pc0 = &C[2*(i+(0*ldc))];
TYPE *pc1 = &C[2*(i+(1*ldc))];
#endif
for (j=0; j < N; j+=2) {
vector TYPE vt00, vt10, vt20, vt30, vt40, vt50, vt60, vt70;
vector TYPE vt01, vt11, vt21, vt31, vt41, vt51, vt61, vt71;
vector TYPE vbeta = (vector TYPE){ beta, beta, beta, beta };
vector TYPE vzero = (vector TYPE){ 0.0, 0.0, 0.0, 0.0 };
{
vt00 = vzero;
vt10 = vzero;
vt20 = vzero;
vt30 = vzero;
vt40 = vzero;
vt50 = vzero;
vt60 = vzero;
vt70 = vzero;
}
{
vt01 = vzero;
vt11 = vzero;
vt21 = vzero;
vt31 = vzero;
vt41 = vzero;
vt51 = vzero;
vt61 = vzero;
vt71 = vzero;
}
const TYPE *pb0 = &B[(j+0)*ldb];
const TYPE *pb1 = &B[(j+1)*ldb];
const TYPE *pa0 = &At[(i+0)*lda];
const TYPE *pa1 = &At[(i+1)*lda];
const TYPE *pa2 = &At[(i+2)*lda];
const TYPE *pa3 = &At[(i+3)*lda];
const TYPE *pa4 = &At[(i+4)*lda];
const TYPE *pa5 = &At[(i+5)*lda];
const TYPE *pa6 = &At[(i+6)*lda];
const TYPE *pa7 = &At[(i+7)*lda];
vector TYPE vb0 = *((vector TYPE *)( pb0+0 ));
vector TYPE vb1 = *((vector TYPE *)( pb1+0 ));
vector TYPE va0 = *((vector TYPE *)( pa0+0 ));
vector TYPE va1 = *((vector TYPE *)( pa1+0 ));
vector TYPE va2 = *((vector TYPE *)( pa2+0 ));
vector TYPE va3 = *((vector TYPE *)( pa3+0 ));
vector TYPE va4 = *((vector TYPE *)( pa4+0 ));
vector TYPE va5 = *((vector TYPE *)( pa5+0 ));
vector TYPE va6 = *((vector TYPE *)( pa6+0 ));
vector TYPE va7 = *((vector TYPE *)( pa7+0 ));
for (k=VEC_SIZE; k < K; k+=VEC_SIZE) {
vt00 = vec_madd(va0, vb0, vt00);
vt01 = vec_madd(va0, vb1, vt01);
va0 = *((vector TYPE *)( pa0+k ));
vt10 = vec_madd(va1, vb0, vt10);
vt11 = vec_madd(va1, vb1, vt11);
va1 = *((vector TYPE *)( pa1+k ));
vt20 = vec_madd(va2, vb0, vt20);
vt21 = vec_madd(va2, vb1, vt21);
va2 = *((vector TYPE *)( pa2+k ));
vt30 = vec_madd(va3, vb0, vt30);
vt31 = vec_madd(va3, vb1, vt31);
va3 = *((vector TYPE *)( pa3+k ));
vt40 = vec_madd(va4, vb0, vt40);
vt41 = vec_madd(va4, vb1, vt41);
va4 = *((vector TYPE *)( pa4+k ));
vt50 = vec_madd(va5, vb0, vt50);
vt51 = vec_madd(va5, vb1, vt51);
va5 = *((vector TYPE *)( pa5+k ));
vt60 = vec_madd(va6, vb0, vt60);
vt61 = vec_madd(va6, vb1, vt61);
va6 = *((vector TYPE *)( pa6+k ));
vt70 = vec_madd(va7, vb0, vt70);
vt71 = vec_madd(va7, vb1, vt71);
va7 = *((vector TYPE *)( pa7+k ));
vb0 = *((vector TYPE *)( pb0+k ));
vb1 = *((vector TYPE *)( pb1+k ));
}
vt00 = vec_madd(va0, vb0, vt00);
vt10 = vec_madd(va1, vb0, vt10);
vt20 = vec_madd(va2, vb0, vt20);
vt30 = vec_madd(va3, vb0, vt30);
vt40 = vec_madd(va4, vb0, vt40);
vt50 = vec_madd(va5, vb0, vt50);
vt60 = vec_madd(va6, vb0, vt60);
vt70 = vec_madd(va7, vb0, vt70);
{
{
vector TYPE vth, vtl, vt0, vt1, vt2, vt3;
vth = vec_mergeh(vt00, vt20);
vtl = vec_mergeh(vt10, vt30);
vt0 = vec_mergeh(vth, vtl);
vt1 = vec_mergel(vth, vtl);
vt0 = vec_add(vt0,vt1);
vth = vec_mergel(vt00, vt20);
vtl = vec_mergel(vt10, vt30);
vt2 = vec_mergeh(vth, vtl);
vt3 = vec_mergel(vth, vtl);
vt2 = vec_add(vt2,vt3);
vt00 = vec_add(vt0, vt2);
}
{
vector TYPE vth, vtl, vt0, vt1, vt2, vt3;
vth = vec_mergeh(vt40, vt60);
vtl = vec_mergeh(vt50, vt70);
vt0 = vec_mergeh(vth, vtl);
vt1 = vec_mergel(vth, vtl);
vt0 = vec_add(vt0,vt1);
vth = vec_mergel(vt40, vt60);
vtl = vec_mergel(vt50, vt70);
vt2 = vec_mergeh(vth, vtl);
vt3 = vec_mergel(vth, vtl);
vt2 = vec_add(vt2,vt3);
vt40 = vec_add(vt0, vt2);
}
#ifdef TREAL
if ( (((unsigned long)pc0) & 0xF) == 0 ) {
#if defined BETA0
*((vector TYPE *)( pc0+0 )) = vt00;
*((vector TYPE *)( pc0+4 )) = vt40;
#else /* BETA1 or BETAX */
vector TYPE vc0, vc4;
vc0 = *((vector TYPE *)( pc0+0 ));
vc4 = *((vector TYPE *)( pc0+4 ));
vc0 = vec_madd(vc0, vbeta, vt00);
vc4 = vec_madd(vc4, vbeta, vt40);
*((vector TYPE *)( pc0+0 )) = vc0;
*((vector TYPE *)( pc0+4 )) = vc4;
#endif
} else {
*(pc0+0) = *(pc0+0) * beta + vec_extract(vt00,0);
*(pc0+1) = *(pc0+1) * beta + vec_extract(vt00,1);
*(pc0+2) = *(pc0+2) * beta + vec_extract(vt00,2);
*(pc0+3) = *(pc0+3) * beta + vec_extract(vt00,3);
*(pc0+4) = *(pc0+4) * beta + vec_extract(vt40,0);
*(pc0+5) = *(pc0+5) * beta + vec_extract(vt40,1);
*(pc0+6) = *(pc0+6) * beta + vec_extract(vt40,2);
*(pc0+7) = *(pc0+7) * beta + vec_extract(vt40,3);
}
pc0 += 2*ldc;
#else
{
*(pc0+0) = *(pc0+0) * beta + vec_extract(vt00,0);
*(pc0+2) = *(pc0+2) * beta + vec_extract(vt00,1);
*(pc0+4) = *(pc0+4) * beta + vec_extract(vt00,2);
*(pc0+6) = *(pc0+6) * beta + vec_extract(vt00,3);
*(pc0+8) = *(pc0+8) * beta + vec_extract(vt40,0);
*(pc0+10) = *(pc0+10) * beta + vec_extract(vt40,1);
*(pc0+12) = *(pc0+12) * beta + vec_extract(vt40,2);
*(pc0+14) = *(pc0+14) * beta + vec_extract(vt40,3);
}
pc0 += 2*2*ldc;
#endif
}
vt01 = vec_madd(va0, vb1, vt01);
vt11 = vec_madd(va1, vb1, vt11);
vt21 = vec_madd(va2, vb1, vt21);
vt31 = vec_madd(va3, vb1, vt31);
vt41 = vec_madd(va4, vb1, vt41);
vt51 = vec_madd(va5, vb1, vt51);
vt61 = vec_madd(va6, vb1, vt61);
vt71 = vec_madd(va7, vb1, vt71);
{
{
vector TYPE vth, vtl, vt0, vt1, vt2, vt3;
vth = vec_mergeh(vt01, vt21);
vtl = vec_mergeh(vt11, vt31);
vt0 = vec_mergeh(vth, vtl);
vt1 = vec_mergel(vth, vtl);
vt0 = vec_add(vt0,vt1);
vth = vec_mergel(vt01, vt21);
vtl = vec_mergel(vt11, vt31);
vt2 = vec_mergeh(vth, vtl);
vt3 = vec_mergel(vth, vtl);
vt2 = vec_add(vt2,vt3);
vt01 = vec_add(vt0, vt2);
}
{
vector TYPE vth, vtl, vt0, vt1, vt2, vt3;
vth = vec_mergeh(vt41, vt61);
vtl = vec_mergeh(vt51, vt71);
vt0 = vec_mergeh(vth, vtl);
vt1 = vec_mergel(vth, vtl);
vt0 = vec_add(vt0,vt1);
vth = vec_mergel(vt41, vt61);
vtl = vec_mergel(vt51, vt71);
vt2 = vec_mergeh(vth, vtl);
vt3 = vec_mergel(vth, vtl);
vt2 = vec_add(vt2,vt3);
vt41 = vec_add(vt0, vt2);
}
#ifdef TREAL
if ( (((unsigned long)pc1) & 0xF) == 0 ) {
#if defined BETA0
*((vector TYPE *)( pc1+0 )) = vt01;
*((vector TYPE *)( pc1+4 )) = vt41;
#else /* BETA1 or BETAX */
vector TYPE vc0, vc4;
vc0 = *((vector TYPE *)( pc1+0 ));
vc4 = *((vector TYPE *)( pc1+4 ));
vc0 = vec_madd(vc0, vbeta, vt01);
vc4 = vec_madd(vc4, vbeta, vt41);
*((vector TYPE *)( pc1+0 )) = vc0;
*((vector TYPE *)( pc1+4 )) = vc4;
#endif
} else {
*(pc1+0) = *(pc1+0) * beta + vec_extract(vt01,0);
*(pc1+1) = *(pc1+1) * beta + vec_extract(vt01,1);
*(pc1+2) = *(pc1+2) * beta + vec_extract(vt01,2);
*(pc1+3) = *(pc1+3) * beta + vec_extract(vt01,3);
*(pc1+4) = *(pc1+4) * beta + vec_extract(vt41,0);
*(pc1+5) = *(pc1+5) * beta + vec_extract(vt41,1);
*(pc1+6) = *(pc1+6) * beta + vec_extract(vt41,2);
*(pc1+7) = *(pc1+7) * beta + vec_extract(vt41,3);
}
pc1 += 2*ldc;
#else
{
*(pc1+0) = *(pc1+0) * beta + vec_extract(vt01,0);
*(pc1+2) = *(pc1+2) * beta + vec_extract(vt01,1);
*(pc1+4) = *(pc1+4) * beta + vec_extract(vt01,2);
*(pc1+6) = *(pc1+6) * beta + vec_extract(vt01,3);
*(pc1+8) = *(pc1+8) * beta + vec_extract(vt41,0);
*(pc1+10) = *(pc1+10) * beta + vec_extract(vt41,1);
*(pc1+12) = *(pc1+12) * beta + vec_extract(vt41,2);
*(pc1+14) = *(pc1+14) * beta + vec_extract(vt41,3);
}
pc1 += 2*2*ldc;
#endif
}
}
}
}
#endif /* little-endian powerpc64 */
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