Blame thirdparty/openblas/xianyi-OpenBLAS-e6e87a2/kernel/generic/gemmkernel_2x2.c

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#include "common.h"
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int CNAME(BLASLONG bm,BLASLONG bn,BLASLONG bk,FLOAT alpha,FLOAT* ba,FLOAT* bb,FLOAT* C,BLASLONG ldc
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#ifdef TRMMKERNEL
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		,BLASLONG offset
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#endif
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		) 
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{
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   BLASLONG i,j,k;
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   FLOAT *C0,*C1,*ptrba,*ptrbb;
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   FLOAT res0,res1,res2,res3,load0,load1,load2,load3,load4,load5,load6,load7;
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   for (j=0; j
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     {
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        C0 = C;
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        C1 = C0+ldc;
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        ptrba = ba;
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        for (i=0; i
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          {
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             ptrbb = bb;
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             res0 = 0;
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             res1 = 0;
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             res2 = 0;
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             res3 = 0;
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             for (k=0; k
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               {
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                  load0 = ptrba[2*0+0];
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                  load1 = ptrbb[2*0+0];
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                  res0 = res0+load0*load1;
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                  load2 = ptrba[2*0+1];
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                  res1 = res1+load2*load1;
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                  load3 = ptrbb[2*0+1];
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                  res2 = res2+load0*load3;
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                  res3 = res3+load2*load3;
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                  load4 = ptrba[2*1+0];
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                  load5 = ptrbb[2*1+0];
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                  res0 = res0+load4*load5;
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                  load6 = ptrba[2*1+1];
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                  res1 = res1+load6*load5;
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                  load7 = ptrbb[2*1+1];
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                  res2 = res2+load4*load7;
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                  res3 = res3+load6*load7;
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                  load0 = ptrba[2*2+0];
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                  load1 = ptrbb[2*2+0];
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                  res0 = res0+load0*load1;
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                  load2 = ptrba[2*2+1];
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                  res1 = res1+load2*load1;
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                  load3 = ptrbb[2*2+1];
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                  res2 = res2+load0*load3;
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                  res3 = res3+load2*load3;
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                  load4 = ptrba[2*3+0];
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                  load5 = ptrbb[2*3+0];
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                  res0 = res0+load4*load5;
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                  load6 = ptrba[2*3+1];
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                  res1 = res1+load6*load5;
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                  load7 = ptrbb[2*3+1];
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                  res2 = res2+load4*load7;
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                  res3 = res3+load6*load7;
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                  ptrba = ptrba+8;
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                  ptrbb = ptrbb+8;
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               }
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             for (k=0; k<(bk&3); k+=1) 
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               {
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                  load0 = ptrba[2*0+0];
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                  load1 = ptrbb[2*0+0];
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                  res0 = res0+load0*load1;
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                  load2 = ptrba[2*0+1];
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                  res1 = res1+load2*load1;
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                  load3 = ptrbb[2*0+1];
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                  res2 = res2+load0*load3;
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                  res3 = res3+load2*load3;
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                  ptrba = ptrba+2;
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                  ptrbb = ptrbb+2;
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               }
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             res0 = res0*alpha;
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             C0[0] = C0[0]+res0;
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             res1 = res1*alpha;
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             C0[1] = C0[1]+res1;
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             res2 = res2*alpha;
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             C1[0] = C1[0]+res2;
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             res3 = res3*alpha;
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             C1[1] = C1[1]+res3;
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             C0 = C0+2;
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             C1 = C1+2;
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          }
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        for (i=0; i<(bm&1); i+=1) 
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          {
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             ptrbb = bb;
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             res0 = 0;
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             res1 = 0;
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             for (k=0; k
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               {
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                  load0 = ptrba[0+0];
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                  load1 = ptrbb[2*0+0];
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                  res0 = res0+load0*load1;
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                  load2 = ptrbb[2*0+1];
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                  res1 = res1+load0*load2;
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                  ptrba = ptrba+1;
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                  ptrbb = ptrbb+2;
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               }
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             res0 = res0*alpha;
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             C0[0] = C0[0]+res0;
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             res1 = res1*alpha;
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             C1[0] = C1[0]+res1;
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             C0 = C0+1;
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             C1 = C1+1;
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          }
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        k = (bk<<1);
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        bb = bb+k;
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        i = (ldc<<1);
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        C = C+i;
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     }
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   for (j=0; j<(bn&1); j+=1) 
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     {
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        C0 = C;
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        ptrba = ba;
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        for (i=0; i
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          {
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             ptrbb = bb;
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             res0 = 0;
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             res1 = 0;
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             for (k=0; k
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               {
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                  load0 = ptrba[2*0+0];
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                  load1 = ptrbb[0+0];
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                  res0 = res0+load0*load1;
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                  load2 = ptrba[2*0+1];
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                  res1 = res1+load2*load1;
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                  ptrba = ptrba+2;
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                  ptrbb = ptrbb+1;
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               }
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             res0 = res0*alpha;
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             C0[0] = C0[0]+res0;
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             res1 = res1*alpha;
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             C0[1] = C0[1]+res1;
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             C0 = C0+2;
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          }
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        for (i=0; i<(bm&1); i+=1) 
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          {
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             ptrbb = bb;
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             res0 = 0;
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             for (k=0; k
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               {
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                  load0 = ptrba[0+0];
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                  load1 = ptrbb[0+0];
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                  res0 = res0+load0*load1;
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                  ptrba = ptrba+1;
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                  ptrbb = ptrbb+1;
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               }
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             res0 = res0*alpha;
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             C0[0] = C0[0]+res0;
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             C0 = C0+1;
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          }
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        k = (bk<<0);
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        bb = bb+k;
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        C = C+ldc;
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     }
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   return 0;
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}