-;;; -*- Package: ALPHA -*-
-;;;
-;;; **********************************************************************
-;;; This code was written as part of the CMU Common Lisp project at
-;;; Carnegie Mellon University, and has been placed in the public domain.
-;;;
+;;;; allocation VOPs for the Alpha port
-;;;
-;;; **********************************************************************
-;;;
-;;; Allocation VOPs for the Alpha port.
-;;;
-;;; Written by William Lott.
-;;; Converted by Sean Hallgren.
-;;;
+;;;; 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
;;;; LIST and LIST*
(control-stack
(load-stack-tn temp ,tn)
temp))))
- (storew reg ,list ,slot list-pointer-type))))
+ (storew reg ,list ,slot list-pointer-lowtag))))
(let ((cons-cells (if star (1- num) num)))
(pseudo-atomic (:extra (* (pad-data-block cons-size)
cons-cells))
- (inst bis alloc-tn list-pointer-type res)
+ (inst bis alloc-tn list-pointer-lowtag res)
(move res ptr)
(dotimes (i (1- cons-cells))
(store-car (tn-ref-tn things) ptr)
(inst lda ptr (pad-data-block cons-size) ptr)
(storew ptr ptr
(- cons-cdr-slot cons-size)
- list-pointer-type))
+ list-pointer-lowtag))
(store-car (tn-ref-tn things) ptr)
(cond (star
(setf things (tn-ref-across things))
(store-car (tn-ref-tn things) ptr cons-cdr-slot))
(t
(storew null-tn ptr
- cons-cdr-slot list-pointer-type)))
+ cons-cdr-slot list-pointer-lowtag)))
(assert (null (tn-ref-across things)))
(move res result))))))))
(define-vop (list* list-or-list*)
(:variant t))
-
\f
-;;;; Special purpose inline allocators.
+;;;; special purpose inline allocators
(define-vop (allocate-code-object)
(:args (boxed-arg :scs (any-reg))
(inst srl unboxed-arg word-shift unboxed)
(inst lda unboxed lowtag-mask unboxed)
(inst and unboxed ndescr unboxed)
- (inst sll boxed (- type-bits word-shift) ndescr)
- (inst bis ndescr code-header-type ndescr)
+ (inst sll boxed (- n-widetag-bits word-shift) ndescr)
+ (inst bis ndescr code-header-widetag ndescr)
(pseudo-atomic ()
- (inst bis alloc-tn other-pointer-type result)
- (storew ndescr result 0 other-pointer-type)
- (storew unboxed result code-code-size-slot other-pointer-type)
- (storew null-tn result code-entry-points-slot other-pointer-type)
+ (inst bis alloc-tn other-pointer-lowtag result)
+ (storew ndescr result 0 other-pointer-lowtag)
+ (storew unboxed result code-code-size-slot other-pointer-lowtag)
+ (storew null-tn result code-entry-points-slot other-pointer-lowtag)
(inst addq alloc-tn boxed alloc-tn)
(inst addq alloc-tn unboxed alloc-tn))
- (storew null-tn result code-debug-info-slot other-pointer-type)))
+ (storew null-tn result code-debug-info-slot other-pointer-lowtag)))
(define-vop (make-fdefn)
(:policy :fast-safe)
(:temporary (:scs (non-descriptor-reg)) temp)
(:results (result :scs (descriptor-reg) :from :argument))
(:generator 37
- (with-fixed-allocation (result temp fdefn-type fdefn-size)
- (storew name result fdefn-name-slot other-pointer-type)
- (storew null-tn result fdefn-function-slot other-pointer-type)
+ (with-fixed-allocation (result temp fdefn-widetag fdefn-size)
+ (storew name result fdefn-name-slot other-pointer-lowtag)
+ (storew null-tn result fdefn-fun-slot other-pointer-lowtag)
(inst li (make-fixup "undefined_tramp" :foreign) temp)
- (storew temp result fdefn-raw-addr-slot other-pointer-type))))
+ (storew temp result fdefn-raw-addr-slot other-pointer-lowtag))))
(define-vop (make-closure)
(:args (function :to :save :scs (descriptor-reg)))
(:results (result :scs (descriptor-reg)))
(:generator 10
(let ((size (+ length closure-info-offset)))
- (inst li (logior (ash (1- size) type-bits) closure-header-type) temp)
+ (inst li
+ (logior (ash (1- size) n-widetag-bits) closure-header-widetag)
+ temp)
(pseudo-atomic (:extra (pad-data-block size))
- (inst bis alloc-tn function-pointer-type result)
- (storew temp result 0 function-pointer-type))
- (storew function result closure-function-slot function-pointer-type))))
+ (inst bis alloc-tn fun-pointer-lowtag result)
+ (storew temp result 0 fun-pointer-lowtag))
+ (storew function result closure-fun-slot fun-pointer-lowtag))))
;;; The compiler likes to be able to directly make value cells.
;;;
(:results (result :scs (descriptor-reg)))
(:generator 10
(with-fixed-allocation
- (result temp value-cell-header-type value-cell-size))
- (storew value result value-cell-value-slot other-pointer-type)))
+ (result temp value-cell-header-widetag value-cell-size))
+ (storew value result value-cell-value-slot other-pointer-lowtag)))
\f
-;;;; Automatic allocators for primitive objects.
+;;;; automatic allocators for primitive objects
(define-vop (make-unbound-marker)
(:args)
(:results (result :scs (any-reg)))
(:generator 1
- (inst li unbound-marker-type result)))
+ (inst li unbound-marker-widetag result)))
(define-vop (fixed-alloc)
(:args)
(pseudo-atomic (:extra (pad-data-block words))
(inst bis alloc-tn lowtag result)
(when type
- (inst li (logior (ash (1- words) type-bits) type) temp)
+ (inst li (logior (ash (1- words) n-widetag-bits) type) temp)
(storew temp result 0 lowtag)))))
(define-vop (var-alloc)
(:temporary (:scs (non-descriptor-reg)) header)
(:temporary (:scs (non-descriptor-reg)) bytes)
(:generator 6
- (inst lda bytes (* (1+ words) word-bytes) extra)
- (inst sll bytes (- type-bits 2) header)
- (inst lda header (+ (ash -2 type-bits) type) header)
- (inst srl bytes lowtag-bits bytes)
- (inst sll bytes lowtag-bits bytes)
+ (inst lda bytes (* (1+ words) n-word-bytes) extra)
+ (inst sll bytes (- n-widetag-bits 2) header)
+ (inst lda header (+ (ash -2 n-widetag-bits) type) header)
+ (inst srl bytes n-lowtag-bits bytes)
+ (inst sll bytes n-lowtag-bits bytes)
(pseudo-atomic ()
(inst bis alloc-tn lowtag result)
(storew header result 0 lowtag)