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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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29
lisc/emit.c
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@ -170,16 +170,35 @@ eins(Ins i, Fn *fn, FILE *f)
eop("mov", i.arg[0], i.to, fn, f);
break;
case OStore:
s = rtoa[i.arg[0].val];
if (rtype(i.arg[0]) == RCon) {
fprintf(f, "\tmovl ");
eref(i.arg[0], fn, f);
fprintf(f, ", ");
} else {
assert(rtype(i.arg[0]) == RReg);
fprintf(f, "\tmov %%%s, ", rtoa[i.arg[0].val]);
}
goto Store;
case OStores:
s = rsub[BASE(i.arg[0].val)].s;
if (rtype(i.arg[0]) == RCon) {
fprintf(f, "\tmovw ");
eref(i.arg[0], fn, f);
fprintf(f, ", ");
} else {
assert(rtype(i.arg[0]) == RReg);
fprintf(f, "\tmovw %%%s, ", rsub[BASE(i.arg[0].val)].s);
}
goto Store;
case OStoreb:
s = rsub[BASE(i.arg[0].val)].b;
if (rtype(i.arg[0]) == RCon) {
fprintf(f, "\tmovb ");
eref(i.arg[0], fn, f);
fprintf(f, ", ");
} else {
assert(rtype(i.arg[0]) == RReg);
fprintf(f, "\tmovb %%%s, ", rsub[BASE(i.arg[0].val)].b);
}
Store:
assert(rtype(i.arg[0]) == RReg);
fprintf(f, "\tmov %s, ", s);
emem(i.arg[1], fn, f);
fprintf(f, "\n");
break;