-;;;
-;;; Written by William Lott.
-;;;
+;;;; allocation VOPs for the PPC
-(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
;;;; LIST and LIST*
+(defoptimizer (list stack-allocate-result) ((&rest args))
+ (not (null args)))
+(defoptimizer (list* stack-allocate-result) ((&rest args))
+ (not (null (rest args))))
(define-vop (list-or-list*)
(:args (things :more t))
(:temporary (:scs (descriptor-reg) :type list) ptr)
(:temporary (:scs (descriptor-reg)) temp)
(:temporary (:scs (descriptor-reg) :type list :to (:result 0) :target result)
- res)
+ res)
(:temporary (:sc non-descriptor-reg :offset nl3-offset) pa-flag)
+ (:temporary (:scs (non-descriptor-reg)) alloc-temp)
(:info num)
(:results (result :scs (descriptor-reg)))
(:variant-vars star)
(:policy :safe)
+ (:node-var node)
+ #!-gencgc (:ignore alloc-temp)
(:generator 0
(cond ((zerop num)
- (move result null-tn))
- ((and star (= num 1))
- (move result (tn-ref-tn things)))
- (t
- (macrolet
- ((maybe-load (tn)
- (once-only ((tn tn))
- `(sc-case ,tn
- ((any-reg descriptor-reg zero null)
- ,tn)
- (control-stack
- (load-stack-tn temp ,tn)
- temp)))))
- (let* ((cons-cells (if star (1- num) num))
- (alloc (* (pad-data-block cons-size) cons-cells)))
- (pseudo-atomic (pa-flag :extra alloc)
- (inst clrrwi res alloc-tn n-lowtag-bits)
- (inst ori res res list-pointer-lowtag)
- (move ptr res)
- (dotimes (i (1- cons-cells))
- (storew (maybe-load (tn-ref-tn things)) ptr
- cons-car-slot list-pointer-lowtag)
- (setf things (tn-ref-across things))
- (inst addi ptr ptr (pad-data-block cons-size))
- (storew ptr ptr
- (- cons-cdr-slot cons-size)
- list-pointer-lowtag))
- (storew (maybe-load (tn-ref-tn things)) ptr
- cons-car-slot list-pointer-lowtag)
- (storew (if star
- (maybe-load (tn-ref-tn (tn-ref-across things)))
- null-tn)
- ptr cons-cdr-slot list-pointer-lowtag))
- (move result res)))))))
+ (move result null-tn))
+ ((and star (= num 1))
+ (move result (tn-ref-tn things)))
+ (t
+ (macrolet
+ ((maybe-load (tn)
+ (once-only ((tn tn))
+ `(sc-case ,tn
+ ((any-reg descriptor-reg zero null)
+ ,tn)
+ (control-stack
+ (load-stack-tn temp ,tn)
+ temp)))))
+ (let* ((dx-p (node-stack-allocate-p node))
+ (cons-cells (if star (1- num) num))
+ (alloc (* (pad-data-block cons-size) cons-cells)))
+ (pseudo-atomic (pa-flag)
+ (if dx-p
+ (progn
+ (align-csp res)
+ (inst clrrwi res csp-tn n-lowtag-bits)
+ (inst ori res res list-pointer-lowtag)
+ (inst addi csp-tn csp-tn alloc))
+ (allocation res alloc list-pointer-lowtag :temp-tn alloc-temp
+ :flag-tn pa-flag))
+ (move ptr res)
+ (dotimes (i (1- cons-cells))
+ (storew (maybe-load (tn-ref-tn things)) ptr
+ cons-car-slot list-pointer-lowtag)
+ (setf things (tn-ref-across things))
+ (inst addi ptr ptr (pad-data-block cons-size))
+ (storew ptr ptr
+ (- cons-cdr-slot cons-size)
+ list-pointer-lowtag))
+ (storew (maybe-load (tn-ref-tn things)) ptr
+ cons-car-slot list-pointer-lowtag)
+ (storew (if star
+ (maybe-load (tn-ref-tn (tn-ref-across things)))
+ null-tn)
+ ptr cons-cdr-slot list-pointer-lowtag))
+ (move result res)))))))
(define-vop (list list-or-list*)
(:variant nil))
(define-vop (allocate-code-object)
(:args (boxed-arg :scs (any-reg))
- (unboxed-arg :scs (any-reg)))
+ (unboxed-arg :scs (any-reg)))
(:results (result :scs (descriptor-reg)))
(:temporary (:scs (non-descriptor-reg)) ndescr)
+ (:temporary (:scs (non-descriptor-reg)) size)
(:temporary (:scs (any-reg) :from (:argument 0)) boxed)
(:temporary (:scs (non-descriptor-reg) :from (:argument 1)) unboxed)
(:temporary (:sc non-descriptor-reg :offset nl3-offset) pa-flag)
;; Note: we don't have to subtract off the 4 that was added by
;; pseudo-atomic, because oring in other-pointer-lowtag just adds
;; it right back.
- (inst ori result alloc-tn other-pointer-lowtag)
- (inst add alloc-tn alloc-tn boxed)
- (inst add alloc-tn alloc-tn unboxed)
+ (inst add size boxed unboxed)
+ (allocation result size other-pointer-lowtag :temp-tn ndescr :flag-tn pa-flag)
(inst slwi ndescr boxed (- n-widetag-bits word-shift))
(inst ori ndescr ndescr code-header-widetag)
(storew ndescr result 0 other-pointer-lowtag)
(:translate make-fdefn)
(:generator 37
(with-fixed-allocation (result pa-flag temp fdefn-widetag fdefn-size)
- (inst lr temp (make-fixup (extern-alien-name "undefined_tramp") :foreign))
+ (inst lr temp (make-fixup "undefined_tramp" :foreign))
(storew name result fdefn-name-slot other-pointer-lowtag)
(storew null-tn result fdefn-fun-slot other-pointer-lowtag)
(storew temp result fdefn-raw-addr-slot other-pointer-lowtag))))
-
(define-vop (make-closure)
(:args (function :to :save :scs (descriptor-reg)))
- (:info length)
+ (:info length stack-allocate-p)
(:temporary (:scs (non-descriptor-reg)) temp)
(:temporary (:sc non-descriptor-reg :offset nl3-offset) pa-flag)
(:results (result :scs (descriptor-reg)))
(:generator 10
- (let ((size (+ length closure-info-offset)))
- (pseudo-atomic (pa-flag :extra (pad-data-block size))
- (inst clrrwi. result alloc-tn n-lowtag-bits)
- (inst ori result result fun-pointer-lowtag)
- (inst lr temp (logior (ash (1- size) n-widetag-bits) closure-header-widetag))
- (storew temp result 0 fun-pointer-lowtag)))
- ;(inst lis temp (ash 18 10))
- ;(storew temp result closure-jump-insn-slot function-pointer-type)
- (storew function result closure-fun-slot fun-pointer-lowtag)))
+ (let* ((size (+ length closure-info-offset))
+ (alloc-size (pad-data-block size)))
+ (pseudo-atomic (pa-flag)
+ (if stack-allocate-p
+ (progn
+ (align-csp result)
+ (inst clrrwi. result csp-tn n-lowtag-bits)
+ (inst addi csp-tn csp-tn alloc-size)
+ (inst ori result result fun-pointer-lowtag)
+ (inst lr temp (logior (ash (1- size) n-widetag-bits) closure-header-widetag)))
+ (progn
+ (allocation result (pad-data-block size)
+ fun-pointer-lowtag :temp-tn temp :flag-tn pa-flag)
+ (inst lr temp (logior (ash (1- size) n-widetag-bits) closure-header-widetag))))
+ ;;; should this be closure-fun-slot instead of 0?
+ (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.
-;;;
+;;;
(define-vop (make-value-cell)
(:args (value :to :save :scs (descriptor-reg any-reg)))
(:temporary (:scs (non-descriptor-reg)) temp)
(:temporary (:sc non-descriptor-reg :offset nl3-offset) pa-flag)
(:results (result :scs (descriptor-reg)))
(:generator 10
- (with-fixed-allocation
- (result pa-flag temp value-cell-header-widetag value-cell-size))
- (storew value result value-cell-value-slot other-pointer-lowtag)))
+ (with-fixed-allocation (result pa-flag temp value-cell-header-widetag value-cell-size)
+ (storew value result value-cell-value-slot other-pointer-lowtag))))
\f
(:generator 1
(inst li result unbound-marker-widetag)))
+(define-vop (make-funcallable-instance-tramp)
+ (:args)
+ (:results (result :scs (any-reg)))
+ (:generator 1
+ (inst lr result (make-fixup "funcallable_instance_tramp" :foreign))))
+
(define-vop (fixed-alloc)
(:args)
(:info name words type lowtag)
(:temporary (:scs (non-descriptor-reg)) temp)
(:temporary (:sc non-descriptor-reg :offset nl3-offset) pa-flag)
(:generator 4
- (pseudo-atomic (pa-flag :extra (pad-data-block words))
- (cond ((logbitp 2 lowtag)
- (inst ori result alloc-tn lowtag))
- (t
- (inst clrrwi result alloc-tn n-lowtag-bits)
- (inst ori result result lowtag)))
- (when type
- (inst lr temp (logior (ash (1- words) n-widetag-bits) type))
- (storew temp result 0 lowtag)))))
+ (with-fixed-allocation (result pa-flag temp type words :lowtag lowtag)
+ )))
(define-vop (var-alloc)
(:args (extra :scs (any-reg)))
(:arg-types positive-fixnum)
(:info name words type lowtag)
- (:ignore name)
+ (:ignore name #!-gencgc temp)
(:results (result :scs (descriptor-reg)))
(:temporary (:scs (any-reg)) bytes)
(:temporary (:scs (non-descriptor-reg)) header)
+ (:temporary (:scs (non-descriptor-reg)) temp)
(:temporary (:sc non-descriptor-reg :offset nl3-offset) pa-flag)
(:generator 6
(inst addi bytes extra (* (1+ words) n-word-bytes))
(inst addi header header (+ (ash -2 n-widetag-bits) type))
(inst clrrwi bytes bytes n-lowtag-bits)
(pseudo-atomic (pa-flag)
- (cond ((logbitp 2 lowtag)
- (inst ori result alloc-tn lowtag))
- (t
- (inst clrrwi result alloc-tn n-lowtag-bits)
- (inst ori result result lowtag)))
- (storew header result 0 lowtag)
- (inst add alloc-tn alloc-tn bytes))))
+ (allocation result bytes lowtag :temp-tn temp :flag-tn pa-flag)
+ (storew header result 0 lowtag))))
projects / sbcl.git / blobdiff