__ lw(cp, FieldMemOperand(a1, JSGeneratorObject::kContextOffset));
__ lw(t0, FieldMemOperand(a1, JSGeneratorObject::kFunctionOffset));
- // Push holes for arguments to generator function.
+ // Load receiver and store as the first argument.
+ __ lw(a2, FieldMemOperand(a1, JSGeneratorObject::kReceiverOffset));
+ __ push(a2);
+
+ // Push holes for the rest of the arguments to the generator function.
__ lw(a3, FieldMemOperand(t0, JSFunction::kSharedFunctionInfoOffset));
__ lw(a3,
FieldMemOperand(a3, SharedFunctionInfo::kFormalParameterCountOffset));
__ LoadRoot(a2, Heap::kTheHoleValueRootIndex);
- Label push_argument_holes;
+ Label push_argument_holes, push_frame;
__ bind(&push_argument_holes);
- __ push(a2);
__ Subu(a3, a3, Operand(1));
- __ Branch(&push_argument_holes, ge, a3, Operand(zero_reg));
+ __ Branch(&push_frame, lt, a3, Operand(zero_reg));
+ __ push(a2);
+ __ jmp(&push_argument_holes);
// Enter a new JavaScript frame, and initialize its slots as they were when
// the generator was suspended.
- Label push_frame, resume_frame;
+ Label resume_frame;
__ bind(&push_frame);
__ Call(&resume_frame);
__ jmp(&done);