+ (inst movsd (make-ea-for-raw-slot object index tmp) value-imag)
+ (unless (location= value-imag result-imag)
+ (inst movsd result-imag value-imag)))))
+
+(define-vop (raw-instance-set-c/complex-double)
+ (:translate %raw-instance-set/complex-double)
+ (:policy :fast-safe)
+ (:args (object :scs (descriptor-reg))
+ (value :scs (complex-double-reg) :target result))
+ (:arg-types * (:constant (load/store-index #.sb!vm:n-word-bytes
+ #.instance-pointer-lowtag
+ #.instance-slots-offset))
+ complex-double-float)
+ (:info index)
+ (:temporary (:sc unsigned-reg) tmp)
+ (:results (result :scs (complex-double-reg)))
+ (:result-types complex-double-float)
+ (:generator 4
+ (loadw tmp object 0 instance-pointer-lowtag)
+ (inst shr tmp n-widetag-bits)
+ (let ((value-real (complex-double-reg-real-tn value))
+ (result-real (complex-double-reg-real-tn result)))
+ (inst movsd (make-ea-for-raw-slot object index tmp -8) value-real)
+ (unless (location= value-real result-real)
+ (inst movsd result-real value-real)))
+ (let ((value-imag (complex-double-reg-imag-tn value))
+ (result-imag (complex-double-reg-imag-tn result)))
+ (inst movsd (make-ea-for-raw-slot object index tmp) value-imag)