(in-package "SB!C")
-(file-comment
- "$Header$")
-
(defoptimizer ir2-convert-reffer ((object) node block name offset lowtag)
(let* ((cont (node-cont node))
(locs (continuation-result-tns cont
name offset lowtag res)
(move-continuation-result node block locs cont)))
-#!+gengc
-(defun needs-remembering (cont)
- (if (csubtypep (continuation-type cont)
- (load-time-value (specifier-type '(or fixnum character
- (member t nil)))))
- nil
- t))
-
(defoptimizer ir2-convert-setter ((object value) node block name offset lowtag)
(let ((value-tn (continuation-tn node block value)))
(vop set-slot node block (continuation-tn node block object) value-tn
- name offset lowtag #!+gengc (needs-remembering value))
+ name offset lowtag)
(move-continuation-result node block (list value-tn) (node-cont node))))
+;;; FIXME: Isn't there a name for this which looks less like a typo?
+;;; (The name IR2-CONVERT-SETTER is used for something else, just above.)
(defoptimizer ir2-convert-setfer ((value object) node block name offset lowtag)
(let ((value-tn (continuation-tn node block value)))
(vop set-slot node block (continuation-tn node block object) value-tn
- name offset lowtag #!+gengc (needs-remembering value))
+ name offset lowtag)
(move-continuation-result node block (list value-tn) (node-cont node))))
(defun do-inits (node block name result lowtag inits args)
(vop set-slot node block result
(ecase kind
(:arg
- (assert args)
+ (aver args)
(continuation-tn node block (pop args)))
(:unbound
(or unbound-marker-tn
tn))))
(:null
(emit-constant nil)))
- name slot lowtag #!+gengc nil))))
- (assert (null args)))
+ name slot lowtag))))
+ (aver (null args)))
(defun do-fixed-alloc (node block name words type lowtag result)
- #!-gengc
- (vop fixed-alloc node block name words type lowtag result)
- #!+gengc
- (if (>= words sb!vm:large-object-cutoff)
- (vop large-alloc node block (emit-constant (logandc2 (1+ words) 1))
- (emit-constant lowtag) (emit-constant type) (emit-constant 0) name
- result)
- (vop fixed-alloc node block name words type lowtag result)))
+ (vop fixed-alloc node block name words type lowtag result))
(defoptimizer ir2-convert-fixed-allocation
((&rest args) node block name words type lowtag inits)
(do-inits node block name result lowtag inits args)
(move-continuation-result node block locs cont)))
-
-\f
-;;;; other allocation support
-
-#!+gengc
-(defoptimizer (make-array-header ir2-convert) ((type rank) node block)
- (let* ((cont (node-cont node))
- (locs (continuation-result-tns cont
- (list *backend-t-primitive-type*)))
- (result (first locs)))
- (if (and (constant-continuation-p type)
- (constant-continuation-p rank))
- (do-fixed-alloc node block 'make-array-header
- (+ (continuation-value rank)
- sb!vm:array-dimensions-offset)
- (continuation-value type)
- sb!vm:other-pointer-type result)
- (vop make-array-header node block (continuation-tn node block type)
- (continuation-tn node block rank) result))
- (move-continuation-result node block locs cont)))
-\f
-;;;; replacements for stuff in ir2tran to make gengc work
-
-#!+gengc
-(defun ir2-convert-closure (node block leaf res)
- (declare (type ref node) (type ir2-block block)
- (type functional leaf) (type tn res))
- (unless (leaf-info leaf)
- (setf (leaf-info leaf) (make-entry-info)))
- (let ((entry (make-load-time-constant-tn :entry leaf))
- (closure (etypecase leaf
- (clambda
- (environment-closure (get-lambda-environment leaf)))
- (functional
- (assert (eq (functional-kind leaf) :top-level-xep))
- nil))))
- (if closure
- (let ((this-env (node-environment node)))
- #!+gengc (let ((temp (make-normal-tn *backend-t-primitive-type*)))
- (do-fixed-alloc node block 'make-closure
- (+ (length closure)
- sb!vm:closure-info-offset)
- sb!vm:closure-header-type
- sb!vm:function-pointer-type
- res)
- (emit-move node block entry temp)
- (vop %set-function-self node block temp res temp))
- ;; KLUDGE: #!-GENGC nested inside #!+GENGC doesn't make much sense;
- ;; it's just a literal translation of the CMU CL distinction between
- ;; host and backend. If GENGC code is ever revived, this should be
- ;; cleaned up.
- #!-gengc (vop make-closure node block entry (length closure) res)
- (loop for what in closure and n from 0 do
- (unless (and (lambda-var-p what)
- (null (leaf-refs what)))
- (vop closure-init node block
- res
- (find-in-environment what this-env)
- n
- nil))))
- (emit-move node block entry res)))
- (values))
-
-#!+gengc
-(defun ir2-convert-set (node block)
- (declare (type cset node) (type ir2-block block))
- (let* ((cont (node-cont node))
- (leaf (set-var node))
- (value (set-value node))
- (val-tn (continuation-tn node block value))
- (locs (if (continuation-info cont)
- (continuation-result-tns
- cont (list (primitive-type (leaf-type leaf))))
- nil)))
- (etypecase leaf
- (lambda-var
- (when (leaf-refs leaf)
- (let ((tn (find-in-environment leaf (node-environment node))))
- (if (lambda-var-indirect leaf)
- (vop value-cell-set node block tn val-tn
- (needs-remembering value))
- (emit-move node block val-tn tn)))))
- (global-var
- (ecase (global-var-kind leaf)
- ((:special :global)
- (assert (symbolp (leaf-name leaf)))
- (vop set node block (emit-constant (leaf-name leaf)) val-tn
- (needs-remembering value))))))
-
- (when locs
- (emit-move node block val-tn (first locs))
- (move-continuation-result node block locs cont)))
- (values))
-
-#!+gengc
-(defoptimizer (%lexical-exit-breakup ir2-convert) ((info) node block)
- (vop value-cell-set node block
- (find-in-environment (continuation-value info) (node-environment node))
- (emit-constant 0)
- nil))
-
-#!+gengc
-(defoptimizer (%slot-setter ir2-convert) ((value str) node block)
- (let ((val (continuation-tn node block value)))
- (vop instance-set node block
- (continuation-tn node block str)
- val
- (dsd-index
- (slot-accessor-slot
- (ref-leaf
- (continuation-use
- (combination-fun node)))))
- (needs-remembering value))
-
- (move-continuation-result node block (list val) (node-cont node))))
+;;; :SET-TRANS (in objdef.lisp DEFINE-PRIMITIVE-OBJECT) doesn't quite
+;;; cut it for symbols, where under certain compilation options
+;;; (e.g. #!+SB-THREAD) we have to do something complicated, rather
+;;; than simply set the slot. So we build the IR2 converting function
+;;; by hand. -- CSR, 2003-05-08
+(let ((fun-info (fun-info-or-lose '%set-symbol-value)))
+ (setf (fun-info-ir2-convert fun-info)
+ (lambda (node block)
+ (let ((args (basic-combination-args node)))
+ (destructuring-bind (symbol value) args
+ (let ((value-tn (continuation-tn node block value)))
+ (vop set node block
+ (continuation-tn node block symbol) value-tn)
+ (move-continuation-result
+ node block (list value-tn) (node-cont node))))))))