-;;; reference VOPs inherited by basic memory reference operations.
-;;;
-;;; Written by Rob MacLachlan
-;;;
-;;; Converted by William Lott.
-;;;
+;;;; the PPC definitions of some general purpose memory reference VOPs
+;;;; inherited by basic memory reference operations
-(in-package "SB!VM")
+;;;; This software is part of the SBCL system. See the README file for
+;;;; more information.
+;;;;
+;;;; This software is derived from the CMU CL system, which was
+;;;; written at Carnegie Mellon University and released into the
+;;;; public domain. The software is in the public domain and is
+;;;; provided with absolutely no warranty. See the COPYING and CREDITS
+;;;; files for more information.
+(in-package "SB!VM")
+\f
;;; Cell-Ref and Cell-Set are used to define VOPs like CAR, where the offset to
;;; be read or written is a property of the VOP used.
;;;
(let ((offset (- (+ (if (sc-is index zero)
0
(ash (tn-value index)
- (- sb!vm:word-shift ,shift)))
- (ash offset sb!vm:word-shift))
+ (- word-shift ,shift)))
+ (ash offset word-shift))
lowtag)))
(etypecase offset
((signed-byte 16)
,@(unless (zerop shift)
`((inst srwi temp index ,shift)))
(inst addi temp ,(if (zerop shift) 'index 'temp)
- (- (ash offset sb!vm:word-shift) lowtag))
+ (- (ash offset word-shift) lowtag))
(inst ,rr-op value object temp)))
,@(when sign-extend-byte
`((inst extsb value value)))