void
data(void)
{
gflag = debug['g'];
debug['g'] = 0;
if(estrdat == nil) {
strdat = mal(sizeof(*pc));
clearp(strdat);
estrdat = strdat;
}
if(savepc)
fatal("data phase error");
savepc = pc;
pc = estrdat;
}
/*
* add mov b,rn
* just after r
*/
void
addmove(Reg *r, int bn, int rn, int f)
{
Prog *p, *p1;
Adr *a;
Var *v;
p1 = mal(sizeof(*p1));
clearp(p1);
p1->pc = 9999;
p = r->f.prog;
p1->link = p->link;
p->link = p1;
p1->lineno = p->lineno;
v = var + bn;
a = &p1->to;
a->offset = v->offset;
a->etype = v->etype;
a->type = v->name;
a->node = v->node;
a->sym = linksym(v->node->sym);
// need to clean this up with wptr and
// some of the defaults
p1->as = AMOVL;
switch(v->etype) {
default:
fatal("unknown type %E", v->etype);
case TINT8:
case TUINT8:
case TBOOL:
p1->as = AMOVB;
break;
case TINT16:
case TUINT16:
p1->as = AMOVW;
break;
case TINT64:
case TUINT64:
case TUINTPTR:
case TPTR64:
p1->as = AMOVQ;
break;
case TFLOAT32:
p1->as = AMOVSS;
break;
case TFLOAT64:
p1->as = AMOVSD;
break;
case TINT:
case TUINT:
case TINT32:
case TUINT32:
case TPTR32:
break;
}
p1->from.type = rn;
if(!f) {
p1->from = *a;
*a = zprog.from;
a->type = rn;
if(v->etype == TUINT8)
p1->as = AMOVB;
if(v->etype == TUINT16)
p1->as = AMOVW;
}
if(debug['R'] && debug['v'])
print("%P ===add=== %P\n", p, p1);
ostats.nspill++;
}
