vadd.c
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#include <stdio.h>
#include "vudefs.h"
/**************************************************************************
* Used for vadd, vsub, vsut, vabs, vaddc, vsubc
* =====================================
*
* Check_Vadd (tno, Op, rMp, vS, vT, vT_El, vD, vDexp, vTemp,inVCO, outVCO)
*
**************************************************************************/
char *Templ_vadd_frmt = "( %2d, %s, $26, $v%-d, $v%-d, $v%-d%-s, $v%-d, $v%-d, $v%-d, 0x%4.4X, 0x%4.4X)\n";
vadd(fp)
FILE *fp;
{
int i,j, carry, clamping;
i16 si, ti;
i32 di;
clamping = optab[opindex].enu_name==VADD ||
optab[opindex].enu_name==VSUB ||
optab[opindex].enu_name==VSUT ||
optab[opindex].enu_name==VABS ;
for (i=0; i<8; i++) {
carry = (in_vco & (0x0001 << i)) ? 1 : 0;
si = (i16) vs[i];
ti = get_ti(i);
if (optab[opindex].enu_name==VADD) di = si + ti + carry;
else if (optab[opindex].enu_name==VSUB) di = si - ti - carry;
else if (optab[opindex].enu_name==VSUT) di = ti - si - carry;
else if (optab[opindex].enu_name==VABS) { if (si < 0) di = -ti;
else if (si == 0) di = si;
else di = ti;
}
else if (optab[opindex].enu_name==VADDC) {di = (si&0xffff) + (ti&0xffff); clamping = 0;}
else /*VSUBC*/ {di = (si&0xffff) - (ti&0xffff); clamping = 0;}
if (clamping) { if (di > 0x00007fff) di = 0x00007fff;
if (di < -32768) di = -32768;
}
vd[i] = (u16) di;
if (optab[opindex].enu_name==VADDC)
{out_vco &= ~(0x0101 << i);
out_vco |= 0x0000<<i; /* set not-equal bits*/
out_vco |= (di > 65535)<<i; /* set carry out bits*/
}
else
if (optab[opindex].enu_name==VSUBC)
{out_vco &= ~(0x0101 << i);
if (di<0) out_vco |= (0x0101<<i); /*(vs<vt) set !Equal, BorrowIn */
else if (di>0) out_vco |= (0x0100<<i); /*(vs>vt) set !Equal, !BorrowIn */
else out_vco |= (0x0000<<i); /*(vs==vt) set Equal, BorrowIn */
}
else
if (optab[opindex].enu_name==VABS)
out_vco = in_vco;
else
out_vco = 0;
} /*for*/
if (data_pntr < (2048 - 100))
{
/* initidLize data segment starting at data_pntr */
/* SRC, TRGT, RES, RES_ACCH, RES_ACCM, RES_ACCL */
for (i=0;i<8;i++) {data[data_pntr++] = vs[i];}
for (i=0;i<8;i++) {data[data_pntr++] = vt[i];}
for (i=0;i<8;i++) {data[data_pntr++] = vd[i];}
}
fprintf(fp,optab[opindex].op_tmplt);
fprintf(fp,Templ_vadd_frmt,
test_num,
optab[opindex].name,
regtab[SRC].rnum,
regtab[TRG].rnum,
regtab[TRG].rnum,el_sf,
regtab[DST].rnum,
regtab[DST_EXP].rnum,
regtab[TEMP].rnum,
in_vco,
out_vco);
}/*vadd*/
/**************************************************************************
* used by vaddb, vsubb, vaccb, vsucb
* ===========================
*
* Check_Vaddb(tno, Op, rMp,vS,vT,vT_El,vD,vDexp,vTemp,vAccl,vAccm,vAcch,
* vAcclExp,vAccmExp,vAcchExp,v4000,v0001)
**************************************************************************/
char *Templ_vaddb_frmt = "( %2d, %s, $26, $v%-d, $v%-d, $v%-d%-s, $v%-d, $v%-d, $v%-d, $v%-d, $v%-d, $v%-d, $v%-d, $v%-d, $v%-d, $v%-d, $v%-d)\n";
vaddb(fp)
FILE *fp;
{
int i,j, round;
i32 si, ti, dLi, dHi, aHi, aLi;
el = el & 0x7;
round = (el==0) ? 0 : (1 << (el -1));
for (i=0; i<8; i++) {
aLi = vacc[i] & 0xffff;
aLi <<= 16;
aLi >>= 16;
si = (i32) (vs[i] & 0xff);
ti = (i32) (vt[i] & 0xff);
dLi = (optab[opindex].enu_name==VADDB) ? si + ti + round :
(optab[opindex].enu_name==VSUBB) ? si - ti + round :
(optab[opindex].enu_name==VACCB) ? si + ti + aLi :
si - ti + aLi;
aHi = vacc[i]>>16;
aHi <<= 16;
aHi >>= 16;
si = (i32) ((vs[i]>>8) & 0xff);
ti = (i32) ((vt[i]>>8) & 0xff);
dHi = (optab[opindex].enu_name==VADDB) ? si + ti + round :
(optab[opindex].enu_name==VSUBB) ? si - ti + round :
(optab[opindex].enu_name==VACCB) ? si + ti + aHi :
si - ti + aHi;
out_vaccl[i] = (u16) dLi;
out_vaccm[i] = (u16) dHi;
out_vacch[i] = 0;
vacc[i] = (u32) ((out_vaccm[i]<<16) | out_vaccl[i]);
dLi = dLi >> el;
dHi = dHi >> el;
dLi = (dLi > 255) ? 255 : (dLi < 0) ? 0 : dLi ;
dHi = (dHi > 255) ? 255 : (dHi < 0) ? 0 : dHi ;
vd[i] = (u16) (((dHi<<8)&0xff00) | (dLi&0xff));
} /*for*/
if (data_pntr < (2048 - 100))
{
/* initidLize data segment starting at data_pntr */
/* SRC, TRGT, RES, RES_ACCH, RES_ACCM, RES_ACCL */
for (i=0;i<8;i++) data[data_pntr++] = vs[i];
for (i=0;i<8;i++) data[data_pntr++] = vt[i];
for (i=0;i<8;i++) data[data_pntr++] = vd[i];
for (i=0;i<8;i++) data[data_pntr++] = (u16)(vacc_B[i] )&0xffff;
for (i=0;i<8;i++) data[data_pntr++] = (u16)(vacc_B[i]>>16)&0xffff;
for (i=0;i<8;i++) data[data_pntr++] = (u16)(vacc_B[i]>>32)&0xffff;
for (i=0;i<8;i++) data[data_pntr++] = out_vaccl[i];
for (i=0;i<8;i++) data[data_pntr++] = out_vaccm[i];
for (i=0;i<8;i++) data[data_pntr++] = out_vacch[i];
}
fprintf(fp,optab[opindex].op_tmplt);
fprintf(fp,Templ_vaddb_frmt,
test_num,
optab[opindex].name,
regtab[SRC].rnum,
regtab[TRG].rnum,
regtab[TRG].rnum,el_sf,
regtab[DST].rnum,
regtab[DST_EXP].rnum,
regtab[TEMP].rnum,
regtab[ACCL].rnum,
regtab[ACCM].rnum,
regtab[ACCH].rnum,
regtab[ACCL_EXP].rnum,
regtab[ACCM_EXP].rnum,
regtab[ACCH_EXP].rnum,
regtab[V4000].rnum,
regtab[V0001].rnum
);
}/*vaddb*/
/**************************************************************************
* used by vsad, vsac
* ==========
*
* Check_Vsad(tno,Op,rMp,vS,vT,vD,vDexp,vTemp,vAccl,vAcclExp,v0001)
**************************************************************************/
char *Templ_vsad_frmt = "( %2d, %s, $26, $v%-d, $v%-d, $v%-d%, $v%-d, $v%-d, $v%-d, $v%-d, $v%-d)\n";
vsad(fp)
FILE *fp;
{
int i,j;
i32 si, ti, diffL, diffH;
for (i=0; i<8; i++) {
si = (i32) (vs[i] & 0xff);
ti = (i32) (vt[i] & 0xff);
diffL = si - ti;
if (diffL < 0) diffL = (0 - diffL);
si = (i32) ((vs[i]>>8) & 0xff);
ti = (i32) ((vt[i]>>8) & 0xff);
diffH = si - ti;
if (diffH < 0) diffH = (0 - diffH);
out_vaccl[i] = (optab[opindex].enu_name==VSAD) ?
(u16)(diffL + diffH) :
(u16)(diffL + diffH + (u16)(vacc[i]&0xffff));
vacc[i] = (u16) out_vaccl[i];
vd[i] = vs[i];
} /*for*/
if (data_pntr < (2048 - 100))
{
/* initidLize data segment starting at data_pntr */
/* SRC, TRGT, RES, RES_ACCH, RES_ACCM, RES_ACCL */
for (i=0;i<8;i++) {data[data_pntr++] = vs[i];}
for (i=0;i<8;i++) {data[data_pntr++] = vt[i];}
for (i=0;i<8;i++) {data[data_pntr++] = vd[i];}
for (i=0;i<8;i++) data[data_pntr++] = (u16)(vacc_B[i] )&0xffff;
for (i=0;i<8;i++) {data[data_pntr++] = out_vaccl[i];}
}
fprintf(fp,optab[opindex].op_tmplt);
fprintf(fp,Templ_vsad_frmt,
test_num,
optab[opindex].name,
regtab[SRC].rnum,
regtab[TRG].rnum,
regtab[DST].rnum,
regtab[DST_EXP].rnum,
regtab[TEMP].rnum,
regtab[ACCL].rnum,
regtab[ACCL_EXP].rnum,
regtab[V0001].rnum
);
}/*vsad*/
/**************************************************************************
* used by vsum
* ====
*
* Check_Vsum(tno,rMp,vS,vT,vD,vDexp,vTemp,vAccl,vAccm,vAcch,v4000, v0001)
**************************************************************************/
char *Templ_vsum_frmt = "( %2d,$26, $v%-d, $v%-d, $v%-d, $v%-d, $v%-d, $v%-d, $v%-d, $v%-d, $v%-d, $v%-d)\n";
vsum(fp)
FILE *fp;
{
int i,j;
i16 di;
for (i=0; i<8; i++) vd[i] = 0x4000; /* Init the vd */
di = 0;
for (i=0; i<8; i++)
di = (i16) ((i16) di + (i16) (vacc[i] & 0xffff));
vd[0] = di;
if (data_pntr < (2048 - 100))
{
/* initidLize data segment starting at data_pntr */
/* RES*/
for (i=0;i<8;i++) {data[data_pntr++] = vd[i];}
for (i=0;i<8;i++) data[data_pntr++] = (u16)(vacc_B[i] )&0xffff;
for (i=0;i<8;i++) data[data_pntr++] = (u16)(vacc_B[i]>>16)&0xffff;
for (i=0;i<8;i++) data[data_pntr++] = (u16)(vacc_B[i]>>32)&0xffff;
}
fprintf(fp,optab[opindex].op_tmplt);
fprintf(fp,Templ_vsum_frmt,
test_num,
regtab[SRC].rnum,
regtab[TRG].rnum,
regtab[DST].rnum,
regtab[DST_EXP].rnum,
regtab[TEMP].rnum,
regtab[ACCL].rnum,
regtab[ACCM].rnum,
regtab[ACCH].rnum,
regtab[V4000].rnum,
regtab[V0001].rnum
);
}/*vsaw*/
/**************************************************************************
* used by vsaw
* ====
*
* Check_Vsaw(tno,rMp,vS,vT, vD,vTemp,vAccl,vAccm,vAcch,v4000, v0001);
**************************************************************************/
char *Templ_vsaw_frmt = "( %2d,$26, $v%-d, $v%-d, $v%-d, $v%-d, $v%-d, $v%-d, $v%-d, $v%-d, $v%-d)\n";
vsaw(fp)
FILE *fp;
{
int i;
if (data_pntr < (2048 - 100))
{
/* initidLize data segment starting at data_pntr */
/* RES*/
for (i=0;i<8;i++) data[data_pntr++] = (u16)(vacc_B[i] )&0xffff;
for (i=0;i<8;i++) data[data_pntr++] = (u16)(vacc_B[i]>>16)&0xffff;
for (i=0;i<8;i++) data[data_pntr++] = (u16)(vacc_B[i]>>32)&0xffff;
}
fprintf(fp,optab[opindex].op_tmplt);
fprintf(fp,Templ_vsaw_frmt,
test_num,
regtab[SRC].rnum,
regtab[TRG].rnum,
regtab[DST].rnum,
regtab[TEMP].rnum,
regtab[ACCL].rnum,
regtab[ACCM].rnum,
regtab[ACCH].rnum,
regtab[V4000].rnum,
regtab[V0001].rnum
);
}/*vsaw*/