void CodeGen::assignment(Location receiver,
realSlotRef* path, Location val,
bool isMem) {
a.Comment("Begin Assignment");
// called from assignmentCode; real assignment method
int32 offset = smiOop(path->desc->data)->byte_count() - Mem_Tag;
if (path->holder->is_object_or_map()) {
Location tmp = val == Temp1 ? Temp2 : Temp1;
bool yipes = tmp == receiver;
if (yipes) a.pushl(val);
Location tr = loadPath(tmp, path->holder, receiver, tmp);
a.leal(tr, offset, NumberOperand, tr);
Location r; int32 d; OperandType t;
Location other_temp = tr == Temp1 ? Temp2 : Temp1;
if (yipes) a.popl(other_temp);
else if (val != other_temp) {
reg_disp_type_of_loc(&r, &d, &t, val);
a.movl(r, d, t, other_temp);
}
a.movl(other_temp, tr, 0, NumberOperand);
if (isMem) {
recordStore(tr);
}
} else {
fatal("don't support vframe lookups yet");
}
a.Comment("End Assignment");
}
void CodeGen::assignment(Location receiver,
realSlotRef* path, Location val,
bool isMem) {
// <move arg, t>
// <loadPath rr, path, receiver>
// store receiver/rr, offset - Mem_Tag, arg/t
// <check_store>
a.Comment("Begin Assignment");
Location t;
if (isRegister(val) && val != CReceiverReg) {
t = val;
} else {
t = Temp1;
move(t, val); // load argument
}
assert(t != Temp2, "register conflict");
int32 offset = smiOop(path->desc->data)->byte_count() - Mem_Tag;
if (path->holder->is_object_or_map()) {
Location t1 = loadPath(CReceiverReg, path->holder, receiver, Temp1);
a.StoreI(t1, offset, t); // store object data slot contents
if (isMem) {
a.AddI(t1, offset, Temp1); // compute store address
recordStore(Temp1);
}
} else {
fatal("don't support vframe lookups yet");
}
a.Comment("End Assignment");
}
void CodeGen::assignment(Location receiver, slotDesc* s, Location val) {
// this one called for impl self, arg on stack
a.Comment("Begin Simple Assignment");
assert(!isRegister(receiver) && !isRegister(val),
"called from genReceiverDataAccess, rcvr is self, val is arg or local, check this so I can use Temp[12]");
move(Temp2, receiver);
int32 offset = smiOop(s->data)->byte_count() - Mem_Tag;
a.leal(Temp2, offset, NumberOperand, Temp2); // store object data slot contents
move(Temp1, val);
a.movl(Temp1, Temp2, 0, NumberOperand); // store object data slot contents
recordStore(Temp2); // NB: recordStore will clobber Temp2 till I put in ByteMapBaseReg
a.Comment("End Simple Assignment");
}
int nRecords() const {
int count = 0;
const Extent* ext;
for ( DiskLoc extLoc = nsd()->firstExtent();
!extLoc.isNull();
extLoc = ext->xnext) {
ext = extentManager()->getExtent(extLoc);
int fileNo = ext->firstRecord.a();
if ( fileNo == -1 )
continue;
for ( int recOfs = ext->firstRecord.getOfs(); recOfs != DiskLoc::NullOfs;
recOfs = recordStore()->recordFor(DiskLoc(fileNo, recOfs))->nextOfs() ) {
++count;
}
}
ASSERT_EQUALS( count, nsd()->numRecords() );
return count;
}
void CodeGen::assignment(Location receiver, slotDesc* s, Location val) {
// <move arg, t>
// store [receiver/rr, offset - Mem_Tag], t
// <check_store>
assert( isRegister(receiver), "receiver must be a register");
a.Comment("Begin Simple Assignment");
Location t;
if (isRegister(val) && val != CReceiverReg) {
t = val;
} else {
t = Temp1;
move(t, val); // load argument
}
int32 offset = smiOop(s->data)->byte_count() - Mem_Tag;
a.StoreI(receiver, offset, t); // store object data slot contents
a.AddI(receiver, offset, Temp1); // compute store address
recordStore(Temp1);
a.Comment("End Simple Assignment");
}