;;; If there is any CHECK-xxx template for TYPE, then return it,
;;; otherwise return NIL.
+;;; The second value is T if the template needs TYPE to be passed
(defun type-check-template (type)
(declare (type ctype type))
(multiple-value-bind (check-ptype exact) (primitive-type type)
(if exact
(primitive-type-check check-ptype)
- (let ((name (hairy-type-check-template-name type)))
+ (multiple-value-bind (name type-needed)
+ (hairy-type-check-template-name type)
(if name
- (template-or-lose name)
+ (values (template-or-lose name) type-needed)
nil)))))
;;; Emit code in BLOCK to check that VALUE is of the specified TYPE,
(defun emit-type-check (node block value result type)
(declare (type tn value result) (type node node) (type ir2-block block)
(type ctype type))
- (emit-move-template node block (type-check-template type) value result)
+ (multiple-value-bind (template type-needed) (type-check-template type)
+ (if type-needed
+ (emit-load-template node block template value result (list type))
+ (emit-move-template node block template value result)))
(values))
;;; Allocate an indirect value cell.
(functional
(ir2-convert-closure node block leaf res))
(global-var
- (let ((unsafe (policy node (zerop safety)))
- (name (leaf-source-name leaf)))
- (ecase (global-var-kind leaf)
- ((:special :unknown)
- (aver (symbolp name))
- (let ((name-tn (emit-constant name)))
- (if (or unsafe (info :variable :always-bound name))
- (vop fast-symbol-value node block name-tn res)
- (vop symbol-value node block name-tn res))))
- (:global
- (aver (symbolp name))
- (let ((name-tn (emit-constant name)))
- (if (or unsafe (info :variable :always-bound name))
- (vop fast-symbol-global-value node block name-tn res)
- (vop symbol-global-value node block name-tn res))))
- (:global-function
- (let ((fdefn-tn (make-load-time-constant-tn :fdefinition name)))
- (if unsafe
- (vop fdefn-fun node block fdefn-tn res)
- (vop safe-fdefn-fun node block fdefn-tn res))))))))
+ (ir2-convert-global-var node block leaf res)))
(move-lvar-result node block locs lvar))
(values))
+(defun ir2-convert-global-var (node block leaf res)
+ (let ((unsafe (policy node (zerop safety)))
+ (name (leaf-source-name leaf)))
+ (ecase (global-var-kind leaf)
+ ((:special :unknown)
+ (aver (symbolp name))
+ (let ((name-tn (emit-constant name)))
+ (if (or unsafe (info :variable :always-bound name))
+ (vop fast-symbol-value node block name-tn res)
+ (vop symbol-value node block name-tn res))))
+ (:global
+ (aver (symbolp name))
+ (let ((name-tn (emit-constant name)))
+ (if (or unsafe (info :variable :always-bound name))
+ (vop fast-symbol-global-value node block name-tn res)
+ (vop symbol-global-value node block name-tn res))))
+ (:global-function
+ (cond #-sb-xc-host
+ ((and (info :function :definition name)
+ (info :function :info name))
+ ;; Known functions can be saved without going through fdefns,
+ ;; except during cross-compilation
+ (emit-move node block (make-load-time-constant-tn :known-fun name)
+ res))
+ (t
+ (let ((fdefn-tn (make-load-time-constant-tn :fdefinition name)))
+ (if unsafe
+ (vop fdefn-fun node block fdefn-tn res)
+ (vop safe-fdefn-fun node block fdefn-tn res)))))))))
+
;;; some sanity checks for a CLAMBDA passed to IR2-CONVERT-CLOSURE
(defun assertions-on-ir2-converted-clambda (clambda)
;; This assertion was sort of an experiment. It would be nice and
(physenv-closure (get-lambda-physenv functional)))
(functional
(aver (eq (functional-kind functional) :toplevel-xep))
- nil))))
-
+ nil)))
+ global-var)
(cond (closure
(let* ((physenv (node-physenv ref))
(tn (find-in-physenv functional physenv)))
(emit-move ref ir2-block tn res)))
+ ;; we're about to emit a reference to a "closure" that's actually
+ ;; an inlinable global function.
+ ((and (global-var-p (setf global-var
+ (functional-inline-expanded functional)))
+ (eq :global-function (global-var-kind global-var)))
+ (ir2-convert-global-var ref ir2-block global-var res))
(t
+ ;; if we're here, we should have either a toplevel-xep (some
+ ;; global scope function in a different component) or an external
+ ;; reference to the "closure"'s body.
+ (aver (memq (functional-kind functional) '(:external :toplevel-xep)))
(let ((entry (make-load-time-constant-tn :entry functional)))
(emit-move ref ir2-block entry res)))))
(values))
(progn
(labels ((,unbind (vars)
(declare (optimize (speed 2) (debug 0)))
- (let ((unbound-marker (%primitive make-other-immediate-type
- 0 sb!vm:unbound-marker-widetag)))
+ (let ((unbound-marker (%primitive make-unbound-marker)))
(dolist (var vars)
;; CLHS says "bound and then made to have no value" -- user
;; should not be able to tell the difference between that and this.
(def list*))
\f
+(defoptimizer (mask-signed-field ir2-convert) ((width x) node block)
+ (block nil
+ (when (constant-lvar-p width)
+ (case (lvar-value width)
+ (#.(- sb!vm:n-word-bits sb!vm:n-fixnum-tag-bits)
+ (when (or (csubtypep (lvar-type x)
+ (specifier-type 'word))
+ (csubtypep (lvar-type x)
+ (specifier-type 'sb!vm:signed-word)))
+ (let* ((lvar (node-lvar node))
+ (temp (make-normal-tn
+ (if (csubtypep (lvar-type x)
+ (specifier-type 'word))
+ (primitive-type-of most-positive-word)
+ (primitive-type-of
+ (- (ash most-positive-word -1))))))
+ (results (lvar-result-tns
+ lvar
+ (list (primitive-type-or-lose 'fixnum)))))
+ (emit-move node block (lvar-tn node block x) temp)
+ (vop sb!vm::move-from-word/fixnum node block
+ temp (first results))
+ (move-lvar-result node block results lvar)
+ (return))))
+ (#.sb!vm:n-word-bits
+ (when (csubtypep (lvar-type x) (specifier-type 'word))
+ (let* ((lvar (node-lvar node))
+ (temp (make-normal-tn
+ (primitive-type-of most-positive-word)))
+ (results (lvar-result-tns
+ lvar
+ (list (primitive-type
+ (specifier-type 'sb!vm:signed-word))))))
+ (emit-move node block (lvar-tn node block x) temp)
+ (vop sb!vm::word-move node block
+ temp (first results))
+ (move-lvar-result node block results lvar)
+ (return))))))
+ (ir2-convert-full-call node block)))
+\f
;;; Convert the code in a component into VOPs.
(defun ir2-convert (component)
(declare (type component component))