(once-only ((n-dst dst)
(n-src src))
`(unless (location= ,n-dst ,n-src)
- (inst mov ,n-dst ,n-src))))
+ (sc-case ,n-dst
+ (single-reg
+ (inst movss ,n-dst ,n-src))
+ (double-reg
+ (inst movsd ,n-dst ,n-src))
+ (t
+ (inst mov ,n-dst ,n-src))))))
(defmacro make-ea-for-object-slot (ptr slot lowtag)
`(make-ea :qword :base ,ptr :disp (- (* ,slot n-word-bytes) ,lowtag)))
(declare (ignore temp))
`(store-symbol-value ,reg ,symbol))
+(defmacro load-binding-stack-pointer (reg)
+ #!+sb-thread
+ `(inst mov ,reg (make-ea :qword :base thread-base-tn
+ :disp (* 8 thread-binding-stack-pointer-slot)))
+ #!-sb-thread
+ `(load-symbol-value ,reg *binding-stack-pointer*))
+
+(defmacro store-binding-stack-pointer (reg)
+ #!+sb-thread
+ `(inst mov (make-ea :qword :base thread-base-tn
+ :disp (* 8 thread-binding-stack-pointer-slot))
+ ,reg)
+ #!-sb-thread
+ `(store-symbol-value ,reg *binding-stack-pointer*))
+
(defmacro load-type (target source &optional (offset 0))
#!+sb-doc
"Loads the type bits of a pointer into target independent of