+#!+sb-thread
+(define-vop (symbol-value)
+ (:translate symbol-value)
+ (:policy :fast-safe)
+ (:args (object :scs (descriptor-reg) :to (:result 1)))
+ (:results (value :scs (descriptor-reg any-reg)))
+ (:vop-var vop)
+ (:save-p :compute-only)
+ (:generator 9
+ (let* ((err-lab (generate-error-code vop unbound-symbol-error object))
+ (ret-lab (gen-label)))
+ (loadw value object symbol-tls-index-slot other-pointer-lowtag)
+ (inst fs-segment-prefix)
+ (inst mov value (make-ea :dword :index value :scale 1))
+ (inst cmp value unbound-marker-widetag)
+ (inst jmp :ne ret-lab)
+ (loadw value object symbol-value-slot other-pointer-lowtag)
+ (inst cmp value unbound-marker-widetag)
+ (inst jmp :e err-lab)
+ (emit-label ret-lab))))
+
+#!+sb-thread
+(define-vop (fast-symbol-value symbol-value)
+ ;; KLUDGE: not really fast, in fact, because we're going to have to
+ ;; do a full lookup of the thread-local area anyway. But half of
+ ;; the meaning of FAST-SYMBOL-VALUE is "do not signal an error if
+ ;; unbound", which is used in the implementation of COPY-SYMBOL. --
+ ;; CSR, 2003-04-22
+ (:policy :fast)
+ (:translate symbol-value)
+ (:generator 8
+ (let ((ret-lab (gen-label)))
+ (loadw value object symbol-tls-index-slot other-pointer-lowtag)
+ (inst fs-segment-prefix)
+ (inst mov value (make-ea :dword :index value :scale 1))
+ (inst cmp value unbound-marker-widetag)
+ (inst jmp :ne ret-lab)
+ (loadw value object symbol-value-slot other-pointer-lowtag)
+ (emit-label ret-lab))))
+
+#!-sb-thread