void train_predictor (unsigned int pc, bool outcome)
{
int outInt = (int)outcome;
int choosePC =Choose[address&BMASK];
if(Gpredict!=BMpredict)
{
if(Gpredict==outcome)
choosePC = (choosePC>2)?3:choosePC+1;
else if(BMpredict==outcome)
choosePC = (choosePC<1)?0:choosePC-1;
Choose[address&BMASK] = choosePC;
}
sr_add(outInt);
if(outcome==0)
{
PTable[address] = ((Gsharevalue-1)<0)?0:Gsharevalue-1;
BMT[BMAddress] = ((BMvalue-1)<0)?0:BMvalue-1;
}
else
{
PTable[address] = ((Gsharevalue+1)>3)?3:Gsharevalue+1;
BMT[BMAddress] = ((BMvalue+1)>3)?3:BMvalue+1;
}
}
err_t sr_test_eval(sx_t * sx, sr_t * ret)
{
sr_t a[1] = {{0,1}}, b[1] = {{0,1}};
err_t err;
if (!sx)
return ERR_IN_NULL_POINTER;
if (sx->islist) {
sx_t * sn, * sd;
signed n = 0;
unsigned d = 1;
/* is rational tuple ? */
if (sx->list) {
sn = sx->list;
if (sn->issint || sn->isuint) {
if (sn->issint)
n = (int16_t)sn->atom.sint;
else if (sn->isuint)
n = (uint16_t)sn->atom.uint;
else
return ERR_FAILURE;
if (sn->next) {
sd = sn->next;
if (sd->isuint)
d = (uint16_t)sd->atom.uint;
else
return ERR_FAILURE;
}
err = sr_set(ret, n, d);
if (err)
return err;
return 0;
} else if (sn->isplain) {
if (strncmp(sn->atom.string->buffer, "add", sn->atom.string->used) == 0) {
if (sn->next && sn->next->next) {
err = sr_test_eval(sn->next, a);
if (err)
return err;
sn = sn->next->next;
while (sn) {
err = sr_test_eval(sn, b);
if (err)
return err;
if (err)
return err;
err = sr_add(a, b, a);
sn = sn->next;
}
*ret = *a;
}
} else if (strncmp(sn->atom.string->buffer, "sub", sn->atom.string->used) == 0) {
if (sn->next && sn->next->next) {
err = sr_test_eval(sn->next, a);
if (err)
return err;
sn = sn->next->next;
while (sn) {
err = sr_test_eval(sn, b);
if (err)
return err;
if (err)
return err;
err = sr_sub(a, b, a);
sn = sn->next;
}
*ret = *a;
}
} else if (strncmp(sn->atom.string->buffer, "mul", sn->atom.string->used) == 0) {
if (sn->next && sn->next->next) {
err = sr_test_eval(sn->next, a);
if (err)
return err;
sn = sn->next->next;
while (sn) {
err = sr_test_eval(sn, b);
if (err)
return err;
if (err)
return err;
err = sr_mul(a, b, a);
sn = sn->next;
}
*ret = *a;
}
} else if (strncmp(sn->atom.string->buffer, "div", sn->atom.string->used) == 0) {
if (sn->next && sn->next->next) {
err = sr_test_eval(sn->next, a);
if (err)
return err;
sn = sn->next->next;
while (sn) {
err = sr_test_eval(sn, b);
if (err)
return err;
if (err)
return err;
err = sr_div(a, b, a);
sn = sn->next;
}
*ret = *a;
}
} else
return ERR_FAILURE;
}
}
}
return 0;
}
