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ugly support for store/load

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This commit is contained in:
Quentin Carbonneaux 2015-08-09 12:13:19 -04:00
parent e234a7a188
commit a69fe2c6c5
2 changed files with 51 additions and 5 deletions
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27
lisc/isel.c
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@ -117,6 +117,33 @@ sel(Ins i, Fn *fn)
case OCopy:
emit(i.op, i.to, i.arg[0], i.arg[1]);
break;
case OStore:
case OStoreb:
case OStores:
r0 = i.arg[0];
goto Load;
case OLoad:
case OLoadss:
case OLoadus:
case OLoadsb:
case OLoadub:
r0 = i.arg[0];
if (rtype(r0) == RCon) {
t = newtmp(TLong, fn);
r0 = TMP(t);
}
Load:
r1 = i.arg[1];
if (rtype(r1) == RCon) {
t = newtmp(TLong, fn);
r1 = TMP(t);
}
emit(i.op, i.to, r0, r1);
if (!req(r0, i.arg[0]))
emit(OCopy, r0, i.arg[0], R);
if (!req(r1, i.arg[1]))
emit(OCopy, r1, i.arg[1], R);
break;
case ONop:
break;
default: