class DeferredReferenceGetKeyedValue: public DeferredCode {
public:
- DeferredReferenceGetKeyedValue() {
+ DeferredReferenceGetKeyedValue(Register key, Register receiver)
+ : key_(key), receiver_(receiver) {
set_comment("[ DeferredReferenceGetKeyedValue");
}
virtual void Generate();
+
+ private:
+ Register key_;
+ Register receiver_;
};
void DeferredReferenceGetKeyedValue::Generate() {
+ ASSERT((key_.is(r0) && receiver_.is(r1)) ||
+ (key_.is(r1) && receiver_.is(r0)));
+
Register scratch1 = VirtualFrame::scratch0();
Register scratch2 = VirtualFrame::scratch1();
__ DecrementCounter(&Counters::keyed_load_inline, 1, scratch1, scratch2);
__ IncrementCounter(&Counters::keyed_load_inline_miss, 1, scratch1, scratch2);
+ // Ensure key in r0 and receiver in r1 to match keyed load ic calling
+ // convention.
+ if (key_.is(r1)) {
+ __ Swap(r0, r1, ip);
+ }
+
// The rest of the instructions in the deferred code must be together.
{ Assembler::BlockConstPoolScope block_const_pool(masm_);
// Call keyed load IC. It has the arguments key and receiver in r0 and r1.
__ IncrementCounter(&Counters::keyed_load_inline, 1,
frame_->scratch0(), frame_->scratch1());
- // Load the key and receiver from the stack to r0 and r1.
- frame_->PopToR1R0();
- Register key = r0;
- Register receiver = r1;
+ // Load the key and receiver from the stack.
+ Register key = frame_->PopToRegister();
+ Register receiver = frame_->PopToRegister(key);
VirtualFrame::SpilledScope spilled(frame_);
- // The deferred code expects key and receiver in r0 and r1.
+ // The deferred code expects key and receiver in registers.
DeferredReferenceGetKeyedValue* deferred =
- new DeferredReferenceGetKeyedValue();
+ new DeferredReferenceGetKeyedValue(key, receiver);
// Check that the receiver is a heap object.
__ tst(receiver, Operand(kSmiTagMask));