vlog_sel.c
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#include <stdio.h>
#include "vudefs.h"
/**************************************************************************
* used by vand, vnand, vor, vnor, vxor, vxnor
* ===================================
*
* Check_Vlog (tno, Op, rMp, vS, vT, vT_El, vD, vDexp, vTemp)
**************************************************************************/
char *Templ_vlog_frmt = "( %2d, %s, $26, $v%-d, $v%-d, $v%-d%-s, $v%-d, $v%-d, $v%-d)\n";
vlog(fp)
FILE *fp;
{
int i,j;
u16 si, ti, di;
for (i=0; i<8; i++) {
si = (i16) vs[i];
ti = get_ti(i);
if (optab[opindex].enu_name==VAND ) di = (si & ti);
else if (optab[opindex].enu_name==VNAND) di = ~(si & ti);
else if (optab[opindex].enu_name==VOR ) di = (si | ti);
else if (optab[opindex].enu_name==VNOR ) di = ~(si | ti);
else if (optab[opindex].enu_name==VXOR ) di = (si ^ ti);
else if (optab[opindex].enu_name==VXNOR) di = ~(si ^ ti);
vd[i] = (u16) di;
}/*for loop*/
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_vlog_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
);
}/*vlog*/
/**************************************************************************
* used by vlt, veq, vneq, vge, vmrg
* ===========================
*
* Check_Vcmp(tno,Op,rMp,vS,vT,vT_El,vD,vDexp,vTemp,inVCO,initVCC,expVCC)
**************************************************************************/
char *Templ_vcmp_frmt = "( %2d, %s, $26, $v%-d, $v%-d, $v%-d%-s, $v%-d, $v%-d, $v%-d, 0x%4.4X, 0x%4.4X, 0x%4.4X)\n";
vcmp(fp)
FILE *fp;
{
int i,j;
i16 si, ti, di;
u8 vco_equal[8], vco_carry[8], cond_true;
u8 init_vcc;
out_vcc = 0;
out_vco = 0;
for (i=0; i<8; i++) {
vco_carry[i] = (in_vco >> i) & 0x01;
vco_equal[i] = (~in_vco >> (i+8)) & 0x01;
}
for (i=0; i<8; i++) {
cond_true = 0;
si = (i16) vs[i];
ti = get_ti(i);
if (optab[opindex].enu_name==VLT)
cond_true = (si<ti) || (si==ti && vco_carry[i]);
else
if (optab[opindex].enu_name==VEQ)
cond_true = (si==ti && vco_equal[i]);
else
if (optab[opindex].enu_name==VNE)
cond_true = (si!=ti) || (si==ti && !vco_equal[i]);
else
if (optab[opindex].enu_name==VGE)
cond_true = (si>ti) || (si==ti && (vco_equal[i] || !vco_carry[i]));
else
if (optab[opindex].enu_name==VMRG)
cond_true = (in_vcc >> i) & 0x01;
vd[i] = (cond_true) ? si : ti;
out_vcc = out_vcc | (cond_true << i);
}/*for loop*/
init_vcc = (optab[opindex].enu_name==VMRG) ? in_vcc : ~out_vcc;
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_vcmp_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,
init_vcc,
out_vcc
);
}/*vcmp*/
/**************************************************************************
* used by vch, vcl and vcr
* ================
*
* Check_Vcl(tno,Op,rMp,vS,vT,vT_El,vD,vDexp,vTemp,inVCO,inVCC,inVCE,expVCO,expVCC,expVCE)
**************************************************************************/
char *Templ_vcl_frmt = "( %2d, %s, $26, $v%-d, $v%-d, $v%-d%-s, $v%-d, $v%-d, $v%-d, 0x%4.4X, 0x%4.4X, 0x%4.4X,0x%4.4X, 0x%4.4X, 0x%4.4X)\n";
vcl(fp)
FILE *fp;
{
int i,j,carry,borrow;
i16 si, ti;
i32 di;
u16 su, tu;
u8 ge, le, vce,sn,eq,neq;
out_vcc = 0;
out_vco = 0;
out_vce = 0;
for (i=0; i<8; i++) {
le = (in_vcc >> i ) & 0x01;
ge = (in_vcc >> (i+8)) & 0x01;
sn = (in_vco >> i) & 0x01;
eq = (~in_vco >> (i+8)) & 0x01;
vce = (in_vce >> i) & 0x01;
if (optab[opindex].enu_name==VCH) {
si = (i16) vs[i];
ti = get_ti(i);
sn = ((si^ti) < 0);
if (sn) {
ge = (ti<0);
le = ((si+ti)<=0);
vce = ((si+ti)==-1);
eq = ((si+ti)==0) | vce;
vd[i] = (le) ? -ti : si;
}
else {
le = (ti<0);
ge = ((si-ti)>=0);
eq = ((si-ti)==0);
vce = 0;
vd[i] = (ge) ? ti : si;
}
}/*if (VCH) */
if (optab[opindex].enu_name==VCL) {
su = (u16) vs[i];
tu = (u16) get_ti(i);
if (sn) {
di = su + tu;
carry = (di > 65535);
if (eq)
le = (!vce & (((di&0xffff)==0) & !carry)) |
( vce & (((di&0xffff)==0) | !carry));
vd[i] = (le) ? -tu : su;
}
else {
di = su - tu;
if (eq)
ge = (di>=0);
vd[i] = (ge) ? tu : su;
}
}/*if (VCL) */
/* VCR always assumes ti >0 */
if (optab[opindex].enu_name==VCR) {
si = (i16) vs[i];
ti = get_ti(i);
sn = ((si^ti) < 0);
if (sn) {
ge = (ti<0);
le = ((si+ti+1)<=0);
vce = ((si+ti+1)==-1);
eq = ((si+ti+1)==0) | vce;
vd[i] = (le) ? ~ti : si;
}
else {
le = (ti<0);
ge = ((si-ti)>=0);
eq = ((si-ti)==0);
vce = 0;
vd[i] = (ge) ? ti : si;
}
}/*if (VCR) */
neq = ~eq & 0x1;
out_vcc = out_vcc | ( ge<<(i+8)) | (le<<i);
out_vco = out_vco | (neq<<(i+8)) | (sn<<i);
out_vce = out_vce | ( vce<<i);
}/*for loop*/
if (optab[opindex].enu_name==VCR || optab[opindex].enu_name==VCL) {
out_vco = 0;
out_vce = 0;
}
if (optab[opindex].enu_name==VCR || optab[opindex].enu_name==VCH) {
in_vcc = ~out_vcc;
in_vco = ~out_vco;
in_vce = ~out_vce;
}
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_vcl_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,
in_vcc,
in_vce,
out_vco,
out_vcc,
out_vce
);
}/*vcl*/