1344 lines
36 KiB
Scheme
1344 lines
36 KiB
Scheme
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(define-syntax section
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(syntax-rules (/section)
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[(section e* ... /section) (begin e* ...)]))
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(section ;;; helpers
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(define (prm op . arg*)
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(make-primcall op arg*))
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(define (nop) (make-primcall 'nop '()))
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(define (K x) (make-constant x))
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(define (tag-test x mask tag)
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(if mask
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(prm '= (prm 'logand x (K mask)) (K tag))
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(prm '= x (K tag))))
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(define (sec-tag-test x pmask ptag smask stag)
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(make-conditional
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(tag-test x pmask ptag)
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(tag-test (prm 'mref x (K (- ptag))) smask stag)
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(make-constant #f)))
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(define (safe-ref x disp mask tag)
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(seq*
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(interrupt-unless (tag-test x mask tag))
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(prm 'mref x (K (- disp tag)))))
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(define (dirty-vector-set address)
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(prm 'mset
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(prm 'int+
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(prm 'mref pcr (K 28)) ;;; FIXME: make srl
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(prm 'sll (prm 'sra address (K pageshift)) (K wordshift)))
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(K 0)
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(K dirty-word)))
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(define (smart-dirty-vector-set addr what)
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(record-case what
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[(constant t)
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(if (or (fixnum? t) (immediate? t))
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(prm 'nop)
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(dirty-vector-set addr))]
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[else (dirty-vector-set addr)]))
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(define (mem-assign v x i)
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(with-tmp ([t (prm 'int+ x (K i))])
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(make-seq
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(prm 'mset t (K 0) (T v))
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(dirty-vector-set t))))
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(define (smart-mem-assign what v x i)
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(record-case what
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[(constant t)
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(if (or (fixnum? t) (immediate? t))
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(prm 'mset x (K i) v)
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(mem-assign v x i))]
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[else (mem-assign v x i)]))
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(define (align-code unknown-amt known-amt)
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(prm 'sll
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(prm 'sra
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(prm 'int+ unknown-amt
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(K (+ known-amt (sub1 object-alignment))))
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(K align-shift))
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(K align-shift)))
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/section)
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(section ;;; simple objects section
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(define-primop void safe
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[(V) (K void-object)]
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[(P) (K #t)]
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[(E) (prm 'nop)])
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(define-primop nop unsafe
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[(E) (prm 'nop)])
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(define-primop neq? unsafe
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[(P x y) (prm '!= (T x) (T y))]
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[(E x y) (nop)])
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(define-primop eq? safe
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[(P x y) (prm '= (T x) (T y))]
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[(E x y) (nop)])
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(define-primop null? safe
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[(P x) (prm '= (T x) (K nil))]
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[(E x) (nop)])
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(define-primop not safe
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[(P x) (prm '= (T x) (K bool-f))]
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[(E x) (nop)])
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(define-primop eof-object safe
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[(V) (K eof)]
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[(P) (K #t)]
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[(E) (nop)])
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(define-primop eof-object? safe
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[(P x) (prm '= (T x) (K eof))]
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[(E x) (nop)])
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(define-primop $unbound-object? unsafe
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[(P x) (prm '= (T x) (K unbound))]
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[(E x) (nop)])
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(define-primop immediate? safe
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[(P x)
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(make-conditional
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(tag-test (T x) fixnum-mask fixnum-tag)
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(make-constant #t)
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(tag-test (T x) 7 7))]
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[(E x) (nop)])
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(define-primop boolean? safe
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[(P x) (tag-test (T x) bool-mask bool-tag)]
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[(E x) (nop)])
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(define-primop bwp-object? safe
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[(P x) (prm '= (T x) (K bwp-object))]
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[(E x) (nop)])
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(define-primop $forward-ptr? unsafe
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[(P x) (prm '= (T x) (K -1))]
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[(E x) (nop)])
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(define-primop pointer-value unsafe
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[(V x) (prm 'logand (T x) (K (* -1 fixnum-scale)))]
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[(P x) (K #t)]
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[(E x) (nop)])
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(define-primop $arg-list unsafe
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[(V) (prm 'mref pcr (K 32))] ;; PCB ARGS-LIST
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[(P) (K #t)]
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[(E) (nop)])
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(define-primop $memq safe
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[(P x ls)
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(record-case ls
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[(constant ls)
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(cond
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[(not (list? ls)) (interrupt)]
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[else
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(with-tmp ([x (T x)])
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(let f ([ls ls])
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(cond
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[(null? ls) (K #f)]
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[(null? (cdr ls)) (prm '= x (T (K (car ls))))]
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[else
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(make-conditional
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(prm '= x (T (K (car ls))))
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(K #t)
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(f (cdr ls)))])))])]
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[else (interrupt)])]
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[(V x ls)
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(record-case ls
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[(constant ls)
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(cond
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[(not (list? ls)) (interrupt)]
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[else
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(with-tmp ([x (T x)])
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(let f ([ls ls])
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(cond
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[(null? ls) (K bool-f)]
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[else
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(make-conditional
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(prm '= x (T (K (car ls))))
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(T (K ls))
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(f (cdr ls)))])))])]
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[else (interrupt)])]
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[(E x ls) (nop)])
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/section)
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(section ;;; pairs
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(define-primop pair? safe
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[(P x) (tag-test (T x) pair-mask pair-tag)]
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[(E x) (nop)])
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(define-primop cons safe
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[(V a d)
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(with-tmp ([t (prm 'alloc (K pair-size) (K pair-tag))])
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(prm 'mset t (K (- disp-car pair-tag)) (T a))
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(prm 'mset t (K (- disp-cdr pair-tag)) (T d))
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t)]
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[(P a d) (K #t)]
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[(E a d) (prm 'nop)])
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(define-primop $car unsafe
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[(V x) (prm 'mref (T x) (K (- disp-car pair-tag)))]
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[(E x) (nop)])
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(define-primop $cdr unsafe
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[(V x) (prm 'mref (T x) (K (- disp-cdr pair-tag)))]
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[(E x) (nop)])
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(define-primop $set-car! unsafe
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[(E x v)
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(with-tmp ([x (T x)])
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(prm 'mset x (K (- disp-car pair-tag)) (T v))
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(smart-dirty-vector-set x v))])
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(define-primop $set-cdr! unsafe
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[(E x v)
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(with-tmp ([x (T x)])
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(prm 'mset x (K (- disp-cdr pair-tag)) (T v))
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(smart-dirty-vector-set x v))])
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(define-primop car safe
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[(V x)
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(safe-ref (T x) disp-car pair-mask pair-tag)]
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[(E x)
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(interrupt-unless (tag-test (T x) pair-mask pair-tag))])
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(define-primop cdr safe
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[(V x)
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(safe-ref (T x) disp-cdr pair-mask pair-tag)]
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[(E x)
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(interrupt-unless (tag-test (T x) pair-mask pair-tag))])
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(define-primop set-car! safe
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[(E x v)
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(with-tmp ([x (T x)])
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(interrupt-unless (tag-test x pair-mask pair-tag))
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(prm 'mset x (K (- disp-car pair-tag)) (T v))
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(smart-dirty-vector-set x v))])
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(define-primop set-cdr! safe
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[(E x v)
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(with-tmp ([x (T x)])
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(interrupt-unless (tag-test x pair-mask pair-tag))
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(prm 'mset x (K (- disp-cdr pair-tag)) (T v))
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(smart-dirty-vector-set x v))])
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(define-primop list safe
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[(V) (K nil)]
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[(V . arg*)
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(let ([n (length arg*)] [t* (map T arg*)])
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(with-tmp ([v (prm 'alloc (K (align (* n pair-size))) (K pair-tag))])
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(prm 'mset v (K (- disp-car pair-tag)) (car t*))
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(prm 'mset v
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(K (- (+ disp-cdr (* (sub1 n) pair-size)) pair-tag))
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(K nil))
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(let f ([t* (cdr t*)] [i pair-size])
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(cond
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[(null? t*) v]
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[else
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(with-tmp ([tmp (prm 'int+ v (K i))])
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(prm 'mset tmp (K (- disp-car pair-tag)) (car t*))
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(prm 'mset tmp (K (+ disp-cdr (- pair-size) (- pair-tag))) tmp)
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(f (cdr t*) (+ i pair-size)))]))))]
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[(P . arg*) (K #t)]
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[(E . arg*) (nop)])
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(define-primop list* safe
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[(V) (interrupt)]
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[(V x) (T x)]
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[(V a . a*)
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(let ([t* (map T a*)] [n (length a*)])
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(with-tmp ([v (prm 'alloc (K (* n pair-size)) (K pair-tag))])
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(prm 'mset v (K (- disp-car pair-tag)) (T a))
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(let f ([t* t*] [i pair-size])
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(cond
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[(null? (cdr t*))
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(seq* (prm 'mset v (K (- i disp-cdr pair-tag)) (car t*)) v)]
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[else
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(with-tmp ([tmp (prm 'int+ v (K i))])
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(prm 'mset tmp (K (- disp-car pair-tag)) (car t*))
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(prm 'mset tmp (K (- (- disp-cdr pair-tag) pair-size)) tmp)
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(f (cdr t*) (+ i pair-size)))]))))]
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[(P) (interrupt)]
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[(P x) (P x)]
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[(P a . a*) (K #t)]
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[(E) (interrupt)]
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[(E . a*) (nop)])
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/section)
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(section ;;; vectors
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(section ;;; helpers
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(define (vector-range-check x idx)
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(define (check-fx i)
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(seq*
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(interrupt-unless (tag-test (T x) vector-mask vector-tag))
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(with-tmp ([len (cogen-value-$vector-length x)])
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(interrupt-unless (prm 'u< (K (* i wordsize)) len))
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(interrupt-unless-fixnum len))))
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(define (check-? idx)
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(seq*
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(interrupt-unless (tag-test (T x) vector-mask vector-tag))
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(with-tmp ([len (cogen-value-$vector-length x)])
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(interrupt-unless (prm 'u< (T idx) len))
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(with-tmp ([t (prm 'logor len (T idx))])
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(interrupt-unless-fixnum t)))))
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(record-case idx
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[(constant i)
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(if (and (fixnum? i) (fx>= i 0))
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(check-fx i)
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(check-? idx))]
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[else (check-? idx)]))
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/section)
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(define-primop vector? unsafe
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[(P x) (sec-tag-test (T x) vector-mask vector-tag fixnum-mask fixnum-tag)]
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[(E x) (nop)])
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(define-primop $make-vector unsafe
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[(V len)
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(record-case len
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[(constant i)
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(unless (fixnum? i) (interrupt))
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(with-tmp ([v (prm 'alloc
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(K (align (+ (* i wordsize) disp-vector-data)))
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(K vector-tag))])
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(prm 'mset v
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(K (- disp-vector-length vector-tag))
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(K (make-constant (* i fixnum-scale))))
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v)]
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[else
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(with-tmp ([alen (align-code (T len) disp-vector-data)])
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(with-tmp ([v (prm 'alloc alen (K vector-tag))])
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(prm 'mset v (K (- disp-vector-length vector-tag)) (T len))
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v))])]
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[(P len) (K #t)]
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[(E len) (nop)])
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(define-primop $vector-ref unsafe
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[(V x i)
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(or
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(record-case i
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[(constant i)
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(and (fixnum? i)
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(fx>= i 0)
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(prm 'mref (T x)
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(K (+ (* i wordsize) (- disp-vector-data vector-tag)))))]
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[else #f])
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(prm 'mref (T x)
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(prm 'int+ (T i) (K (- disp-vector-data vector-tag)))))])
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(define-primop $vector-length unsafe
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[(V x) (prm 'mref (T x) (K (- disp-vector-length vector-tag)))]
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[(E x) (prm 'nop)]
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[(P x) (K #t)])
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(define-primop vector-length safe
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[(V x)
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(seq*
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(interrupt-unless (tag-test (T x) vector-mask vector-tag))
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(with-tmp ([t (cogen-value-$vector-length x)])
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(interrupt-unless-fixnum t)
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t))]
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[(E x)
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(seq*
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(interrupt-unless (tag-test (T x) vector-mask vector-tag))
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(with-tmp ([t (cogen-value-$vector-length x)])
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(interrupt-unless-fixnum t)))]
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[(P x)
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(seq* (cogen-effect-vector-length x) (K #t))])
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(define-primop vector-ref safe
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[(V x i)
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(seq*
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(vector-range-check x i)
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(cogen-value-$vector-ref x i))]
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[(E x i)
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(vector-range-check x i)])
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(define-primop $vector-set! unsafe
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[(E x i v)
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(record-case i
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[(constant i)
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(unless (fixnum? i) (interrupt))
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(mem-assign v (T x)
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(+ (* i wordsize)
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(- disp-vector-data vector-tag)))]
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[else
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(mem-assign v
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(prm 'int+ (T x) (T i))
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(- disp-vector-data vector-tag))])])
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(define-primop vector-set! safe
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[(E x i v)
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(seq*
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(vector-range-check x i)
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(cogen-effect-$vector-set! x i v))])
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(define-primop vector safe
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[(V . arg*)
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(with-tmp ([v (prm 'alloc
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(K (align (+ disp-vector-data
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(* (length arg*) wordsize))))
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(K vector-tag))])
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(seq*
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(prm 'mset v (K (- disp-vector-length vector-tag))
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(K (* (length arg*) wordsize)))
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(let f ([t* (map T arg*)]
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[i (- disp-vector-data vector-tag)])
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(cond
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[(null? t*) v]
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[else
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(make-seq
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(prm 'mset v (K i) (car t*))
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(f (cdr t*) (+ i wordsize)))]))))]
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[(E . arg*) (prm 'nop)]
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[(P . arg*) (K #t)])
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/section)
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(section ;;; closures
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(define-primop procedure? safe
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[(P x) (tag-test (T x) closure-mask closure-tag)])
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(define-primop $cpref unsafe
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[(V x i)
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(record-case i
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[(constant i)
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(unless (fixnum? i) (interrupt))
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(prm 'mref (T x)
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(K (+ (- disp-closure-data closure-tag)
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(* i wordsize))))]
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[else (interrupt)])])
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/section)
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(section ;;; symbols
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(define-primop symbol? safe
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[(P x) (tag-test (T x) symbol-mask symbol-tag)]
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[(E x) (nop)])
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(define-primop $make-symbol unsafe
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[(V str)
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(with-tmp ([x (prm 'alloc (K (align symbol-size)) (K symbol-tag))])
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(prm 'mset x (K (- disp-symbol-string symbol-tag)) (T str))
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(prm 'mset x (K (- disp-symbol-unique-string symbol-tag)) (K 0))
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(prm 'mset x (K (- disp-symbol-value symbol-tag)) (K unbound))
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(prm 'mset x (K (- disp-symbol-plist symbol-tag)) (K nil))
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(prm 'mset x (K (- disp-symbol-system-value symbol-tag)) (K unbound))
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(prm 'mset x (K (- disp-symbol-function symbol-tag)) (K 0))
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(prm 'mset x (K (- disp-symbol-error-function symbol-tag)) (K 0))
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(prm 'mset x (K (- disp-symbol-unused symbol-tag)) (K 0))
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x)]
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[(P str) (K #t)]
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[(E str) (nop)])
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(define-primop primitive-set! unsafe
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[(E x v) (mem-assign v (T x) (- disp-symbol-system-value symbol-tag))])
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(define-primop primitive-ref unsafe
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[(V x) (prm 'mref (T x) (K (- disp-symbol-system-value symbol-tag)))]
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[(E x) (nop)])
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(define-primop $symbol-string unsafe
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[(V x) (prm 'mref (T x) (K (- disp-symbol-string symbol-tag)))]
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[(E x) (nop)])
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(define-primop $set-symbol-string! unsafe
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[(E x v) (mem-assign v (T x) (- disp-symbol-string symbol-tag))])
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(define-primop $symbol-unique-string unsafe
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[(V x) (prm 'mref (T x) (K (- disp-symbol-unique-string symbol-tag)))]
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[(E x) (nop)])
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(define-primop $set-symbol-unique-string! unsafe
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[(E x v) (mem-assign v (T x) (- disp-symbol-unique-string symbol-tag))])
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(define-primop $symbol-plist unsafe
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[(V x) (prm 'mref (T x) (K (- disp-symbol-plist symbol-tag)))]
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[(E x) (nop)])
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(define-primop $set-symbol-plist! unsafe
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[(E x v) (mem-assign v (T x) (- disp-symbol-plist symbol-tag))])
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(define-primop $symbol-value unsafe
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[(V x) (prm 'mref (T x) (K (- disp-symbol-value symbol-tag)))]
|
|
[(E x) (nop)])
|
|
|
|
(define-primop $set-symbol-value! unsafe
|
|
[(E x v)
|
|
(with-tmp ([x (T x)])
|
|
(prm 'mset x (K (- disp-symbol-value symbol-tag)) (T v))
|
|
(prm 'mset x (K (- disp-symbol-function symbol-tag))
|
|
(prm 'mref x (K (- disp-symbol-error-function symbol-tag))))
|
|
(dirty-vector-set x))])
|
|
|
|
(define-primop top-level-value safe
|
|
[(V x)
|
|
(record-case x
|
|
[(constant s)
|
|
(if (symbol? s)
|
|
(with-tmp ([v (cogen-value-$symbol-value x)])
|
|
(interrupt-when (cogen-pred-$unbound-object? v))
|
|
v)
|
|
(interrupt))]
|
|
[else
|
|
(with-tmp ([x (T x)])
|
|
(interrupt-unless (cogen-pred-symbol? x))
|
|
(with-tmp ([v (cogen-value-$symbol-value x)])
|
|
(interrupt-when (cogen-pred-$unbound-object? v))
|
|
v))])]
|
|
[(E x)
|
|
(record-case x
|
|
[(constant s)
|
|
(if (symbol? s)
|
|
(with-tmp ([v (cogen-value-$symbol-value x)])
|
|
(interrupt-when (cogen-pred-$unbound-object? v)))
|
|
(interrupt))]
|
|
[else
|
|
(with-tmp ([x (T x)])
|
|
(interrupt-unless (cogen-pred-symbol? x))
|
|
(with-tmp ([v (cogen-value-$symbol-value x)])
|
|
(interrupt-when (cogen-pred-$unbound-object? v))))])])
|
|
|
|
|
|
(define-primop $init-symbol-function! unsafe
|
|
[(E x v)
|
|
(with-tmp ([x (T x)] [v (T v)])
|
|
(prm 'mset x (K (- disp-symbol-function symbol-tag)) v)
|
|
(prm 'mset x (K (- disp-symbol-error-function symbol-tag)) v)
|
|
(dirty-vector-set x))])
|
|
|
|
|
|
/section)
|
|
|
|
(section ;;; fixnums
|
|
|
|
(define-primop fixnum? safe
|
|
[(P x) (tag-test (T x) fixnum-mask fixnum-tag)]
|
|
[(E x) (nop)])
|
|
|
|
(define-primop $fxzero? unsafe
|
|
[(P x) (prm '= (T x) (K 0))]
|
|
[(E x) (nop)])
|
|
|
|
(define-primop $fx= unsafe
|
|
[(P x y) (prm '= (T x) (T y))]
|
|
[(E x y) (nop)])
|
|
|
|
(define-primop $fx< unsafe
|
|
[(P x y) (prm '< (T x) (T y))]
|
|
[(E x y) (nop)])
|
|
|
|
(define-primop $fx<= unsafe
|
|
[(P x y) (prm '<= (T x) (T y))]
|
|
[(E x y) (nop)])
|
|
|
|
(define-primop $fx> unsafe
|
|
[(P x y) (prm '> (T x) (T y))]
|
|
[(E x y) (nop)])
|
|
|
|
(define-primop $fx>= unsafe
|
|
[(P x y) (prm '>= (T x) (T y))]
|
|
[(E x y) (nop)])
|
|
|
|
(define-primop $fxadd1 unsafe
|
|
[(V x) (cogen-value-$fx+ x (K 1))]
|
|
[(P x) (K #t)]
|
|
[(E x) (nop)])
|
|
|
|
(define-primop $fxsub1 unsafe
|
|
[(V x) (cogen-value-$fx+ x (K -1))]
|
|
[(P x) (K #t)]
|
|
[(E x) (nop)])
|
|
|
|
(define-primop $fx+ unsafe
|
|
[(V x y) (prm 'int+ (T x) (T y))]
|
|
[(P x y) (K #t)]
|
|
[(E x y) (nop)])
|
|
|
|
(define-primop $fx* unsafe
|
|
[(V a b)
|
|
(record-case a
|
|
[(constant a)
|
|
(unless (fixnum? a) (interrupt))
|
|
(prm 'int* (T b) (K a))]
|
|
[else
|
|
(record-case b
|
|
[(constant b)
|
|
(unless (fixnum? b) (interrupt))
|
|
(prm 'int* (T a) (K b))]
|
|
[else
|
|
(prm 'int* (T a) (prm 'sra (T b) (K fixnum-shift)))])])]
|
|
[(P x y) (K #t)]
|
|
[(E x y) (nop)])
|
|
|
|
(define-primop $fxlognot unsafe
|
|
[(V x) (cogen-value-$fxlogxor x (K -1))]
|
|
[(P x) (K #t)]
|
|
[(E x) (nop)])
|
|
|
|
(define-primop $fxlogand unsafe
|
|
[(V x y) (prm 'logand (T x) (T y))]
|
|
[(P x y) (K #t)]
|
|
[(E x y) (nop)])
|
|
|
|
(define-primop $fxlogor unsafe
|
|
[(V x y) (prm 'logor (T x) (T y))]
|
|
[(P x y) (K #t)]
|
|
[(E x y) (nop)])
|
|
|
|
(define-primop $fxlogxor unsafe
|
|
[(V x y) (prm 'logxor (T x) (T y))]
|
|
[(P x y) (K #t)]
|
|
[(E x y) (nop)])
|
|
|
|
(define-primop $fx- unsafe
|
|
[(V x y) (prm 'int- (T x) (T y))]
|
|
[(P x y) (K #t)]
|
|
[(E x y) (nop)])
|
|
|
|
(define-primop $fxsll unsafe
|
|
[(V x i)
|
|
(record-case i
|
|
[(constant i)
|
|
(unless (fixnum? i) (interrupt))
|
|
(prm 'sll (T x) (K i))]
|
|
[else
|
|
(prm 'sll (T x) (prm 'sra (T i) (K fixnum-shift)))])]
|
|
[(P x i) (K #t)]
|
|
[(E x i) (nop)])
|
|
|
|
(define-primop $fxsra unsafe
|
|
[(V x i)
|
|
(record-case i
|
|
[(constant i)
|
|
(unless (fixnum? i) (interrupt))
|
|
(prm 'logand (prm 'sra (T x) (K i)) (K (* -1 fixnum-scale)))]
|
|
[else
|
|
(prm 'logand
|
|
(prm 'sra (T x) (prm 'sra (T i) (K fixnum-shift)))
|
|
(K (* -1 fixnum-scale)))])]
|
|
[(P x i) (K #t)]
|
|
[(E x i) (nop)])
|
|
|
|
(define-primop $fxquotient unsafe
|
|
[(V a b)
|
|
(with-tmp ([b (T b)])
|
|
(prm 'sll (prm 'remainder (T a) b) (K fixnum-shift)))]
|
|
[(P a b) (K #t)]
|
|
[(E a b) (nop)])
|
|
|
|
(define-primop $fxmodulo unsafe
|
|
[(V a b)
|
|
(with-tmp ([b (T b)])
|
|
(with-tmp ([c (prm 'logand b
|
|
(prm 'sra (prm 'logxor b (T a))
|
|
(K (sub1 (* 8 wordsize)))))])
|
|
(prm 'int+ c (prm 'quotient (T a) b))))]
|
|
[(P a b) (K #t)]
|
|
[(E a b) (nop)])
|
|
|
|
/section)
|
|
|
|
(section ;;; bignums
|
|
|
|
(define-primop bignum? safe
|
|
[(P x) (sec-tag-test (T x) vector-mask vector-tag bignum-mask bignum-tag)]
|
|
[(E x) (nop)])
|
|
|
|
/section)
|
|
|
|
(section ;;; flonums
|
|
|
|
(define-primop flonum? safe
|
|
[(P x) (sec-tag-test (T x) vector-mask vector-tag #f flonum-tag)]
|
|
[(E x) (nop)])
|
|
|
|
/section)
|
|
|
|
(section ;;; generic arithmetic
|
|
|
|
(define (non-fixnum? x)
|
|
(record-case x
|
|
[(constant i) (not (fixnum? i))]
|
|
[else #f]))
|
|
|
|
(define (or* a a*)
|
|
(cond
|
|
[(null? a*) a]
|
|
[(constant? (car a*)) (or* a (cdr a*))]
|
|
[else (or* (prm 'logor a (T (car a*))) (cdr a*))]))
|
|
|
|
(define (assert-fixnums a a*)
|
|
(cond
|
|
[(constant? a)
|
|
(if (null? a*)
|
|
(nop)
|
|
(assert-fixnums (car a*) (cdr a*)))]
|
|
[else
|
|
(interrupt-unless
|
|
(tag-test (or* (T a) a*) fixnum-mask fixnum-tag))]))
|
|
|
|
(define (fixnum-fold-p op a a*)
|
|
(cond
|
|
[(or (non-fixnum? a) (ormap non-fixnum? a*)) (interrupt)]
|
|
[else
|
|
(seq*
|
|
(assert-fixnums a a*)
|
|
(let f ([a a] [a* a*])
|
|
(cond
|
|
[(null? a*) (K #t)]
|
|
[else
|
|
(let ([b (car a*)])
|
|
(make-conditional
|
|
(prm op (T a) (T b))
|
|
(f b (cdr a*))
|
|
(K #f)))])))]))
|
|
|
|
(define (fixnum-fold-e a a*)
|
|
(cond
|
|
[(or (non-fixnum? a) (ormap non-fixnum? a*)) (interrupt)]
|
|
[else (assert-fixnums a a*)]))
|
|
|
|
(define-primop = safe
|
|
[(P) (interrupt)]
|
|
[(P a . a*) (fixnum-fold-p '= a a*)]
|
|
[(E) (interrupt)]
|
|
[(E a . a*) (fixnum-fold-e a a*)])
|
|
|
|
(define-primop < safe
|
|
[(P) (interrupt)]
|
|
[(P a . a*) (fixnum-fold-p '< a a*)]
|
|
[(E) (interrupt)]
|
|
[(E a . a*) (fixnum-fold-e a a*)])
|
|
|
|
(define-primop <= safe
|
|
[(P) (interrupt)]
|
|
[(P a . a*) (fixnum-fold-p '<= a a*)]
|
|
[(E) (interrupt)]
|
|
[(E a . a*) (fixnum-fold-e a a*)])
|
|
|
|
(define-primop > safe
|
|
[(P) (interrupt)]
|
|
[(P a . a*) (fixnum-fold-p '> a a*)]
|
|
[(E) (interrupt)]
|
|
[(E a . a*) (fixnum-fold-e a a*)])
|
|
|
|
(define-primop >= safe
|
|
[(P) (interrupt)]
|
|
[(P a . a*) (fixnum-fold-p '>= a a*)]
|
|
[(E) (interrupt)]
|
|
[(E a . a*) (fixnum-fold-e a a*)])
|
|
|
|
(define-primop - safe
|
|
[(V a)
|
|
(cond
|
|
[(non-fixnum? a) (interrupt)]
|
|
[else
|
|
(seq*
|
|
(assert-fixnums a '())
|
|
(prm 'int-/overflow (K 0) (T a)))])]
|
|
[(V a . a*)
|
|
(cond
|
|
[(or (non-fixnum? a) (ormap non-fixnum? a*)) (interrupt)]
|
|
[else
|
|
(seq*
|
|
(assert-fixnums a a*)
|
|
(let f ([a (T a)] [a* a*])
|
|
(cond
|
|
[(null? a*) a]
|
|
[else
|
|
(f (prm 'int-/overflow a (T (car a*))) (cdr a*))])))])]
|
|
[(P a . a*) (seq* (assert-fixnums a a*) (K #t))]
|
|
[(E a . a*) (assert-fixnums a a*)])
|
|
|
|
(define-primop + safe
|
|
[(V) (K 0)]
|
|
[(V a . a*)
|
|
(cond
|
|
[(or (non-fixnum? a) (ormap non-fixnum? a*)) (interrupt)]
|
|
[else
|
|
(seq*
|
|
(assert-fixnums a a*)
|
|
(let f ([a (T a)] [a* a*])
|
|
(cond
|
|
[(null? a*) a]
|
|
[else
|
|
(f (prm 'int+/overflow a (T (car a*))) (cdr a*))])))])]
|
|
[(P) (K #t)]
|
|
[(P a . a*) (seq* (assert-fixnums a a*) (K #t))]
|
|
[(E) (nop)]
|
|
[(E a . a*) (assert-fixnums a a*)])
|
|
|
|
(define-primop zero? safe
|
|
[(P x)
|
|
(seq*
|
|
(interrupt-unless (cogen-pred-fixnum? x))
|
|
(cogen-pred-$fxzero? x))]
|
|
[(E x) (interrupt-unless (cogen-pred-fixnum? x))])
|
|
|
|
/section)
|
|
|
|
(section ;;; records
|
|
|
|
(define-primop $record? unsafe
|
|
[(P x) (sec-tag-test (T x) vector-mask vector-tag vector-mask vector-tag)]
|
|
[(E x) (nop)])
|
|
|
|
(define-primop $record/rtd? unsafe
|
|
[(P x rtd)
|
|
(make-conditional
|
|
(tag-test (T x) vector-mask vector-tag)
|
|
(prm '= (prm 'mref (T x) (K (- vector-tag))) (T rtd))
|
|
(make-constant #f))]
|
|
[(E x rtd) (nop)])
|
|
|
|
(define-primop $make-record unsafe
|
|
[(V rtd len)
|
|
(record-case len
|
|
[(constant i)
|
|
(unless (fixnum? i) (interrupt))
|
|
(with-tmp ([t (prm 'alloc
|
|
(K (align (+ (* i wordsize) disp-record-data)))
|
|
(K vector-tag))])
|
|
(prm 'mset t (K (- disp-record-rtd vector-tag)) (T rtd))
|
|
t)]
|
|
[else
|
|
(with-tmp ([ln (align-code len disp-record-data)])
|
|
(with-tmp ([t (prm 'alloc ln (K vector-tag))])
|
|
(prm 'mset t (K (- disp-record-rtd vector-tag)) (T rtd))
|
|
t))])]
|
|
[(P rtd len) (K #t)]
|
|
[(E rtd len) (nop)])
|
|
|
|
(define-primop $record-rtd unsafe
|
|
[(V x)
|
|
(prm 'mref (T x) (K (- disp-record-rtd vector-tag)))]
|
|
[(E x) (nop)]
|
|
[(P x) #t])
|
|
|
|
(define-primop $record-ref unsafe
|
|
[(V x i) (cogen-value-$vector-ref x i)]
|
|
[(E x i) (cogen-effect-$vector-ref x i)]
|
|
[(P x i) (cogen-pred-$vector-ref x i)])
|
|
|
|
(define-primop $record-set! unsafe
|
|
[(V x i v)
|
|
(seq* (cogen-effect-$vector-set! x i v)
|
|
(K void-object))]
|
|
[(E x i v) (cogen-effect-$vector-set! x i v)]
|
|
[(P x i v)
|
|
(seq* (cogen-effect-$vector-set! x i v)
|
|
(K #t))])
|
|
|
|
(define-primop $record unsafe
|
|
[(V rtd . v*)
|
|
(with-tmp ([t (prm 'alloc
|
|
(K (align
|
|
(+ disp-record-data
|
|
(* (length v*) wordsize))))
|
|
(K vector-tag))])
|
|
(prm 'mset t (K (- disp-record-rtd vector-tag)) (T rtd))
|
|
(let f ([v* v*]
|
|
[i (- disp-record-data vector-tag)])
|
|
(cond
|
|
[(null? v*) t]
|
|
[else
|
|
(make-seq
|
|
(prm 'mset t (K i) (T (car v*)))
|
|
(f (cdr v*) (+ i wordsize)))])))]
|
|
[(P rtd . v*) (K #t)]
|
|
[(E rtd . v*) (nop)])
|
|
|
|
/section)
|
|
|
|
(section ;;; characters
|
|
|
|
(define-primop char? safe
|
|
[(P x) (tag-test (T x) char-mask char-tag)]
|
|
[(E x) (nop)])
|
|
|
|
(define-primop $char= unsafe
|
|
[(P x y) (prm '= (T x) (T y))]
|
|
[(E x y) (nop)])
|
|
|
|
(define-primop $char< unsafe
|
|
[(P x y) (prm '< (T x) (T y))]
|
|
[(E x y) (nop)])
|
|
|
|
(define-primop $char<= unsafe
|
|
[(P x y) (prm '<= (T x) (T y))]
|
|
[(E x y) (nop)])
|
|
|
|
(define-primop $char> unsafe
|
|
[(P x y) (prm '> (T x) (T y))]
|
|
[(E x y) (nop)])
|
|
|
|
(define-primop $char>= unsafe
|
|
[(P x y) (prm '>= (T x) (T y))]
|
|
[(E x y) (nop)])
|
|
|
|
(define-primop $fixnum->char unsafe
|
|
[(V x)
|
|
(prm 'logor
|
|
(prm 'sll (T x) (K (- char-shift fixnum-shift)))
|
|
(K char-tag))]
|
|
[(P x) (K #t)]
|
|
[(E x) (nop)])
|
|
|
|
(define-primop $char->fixnum unsafe
|
|
[(V x) (prm 'sra (T x) (K (- char-shift fixnum-shift)))]
|
|
[(P x) (K #t)]
|
|
[(E x) (nop)])
|
|
|
|
(define (non-char? x)
|
|
(record-case x
|
|
[(constant i) (not (char? i))]
|
|
[else #f]))
|
|
|
|
(define (assert-chars a a*)
|
|
(cond
|
|
[(constant? a)
|
|
(if (null? a*)
|
|
(nop)
|
|
(assert-chars (car a*) (cdr a*)))]
|
|
[else
|
|
(interrupt-unless
|
|
(tag-test (or* (T a) a*) char-mask char-tag))]))
|
|
|
|
(define (char-fold-p op a a*)
|
|
(cond
|
|
[(or (non-char? a) (ormap non-char? a*)) (interrupt)]
|
|
[else
|
|
(seq*
|
|
(assert-chars a a*)
|
|
(let f ([a a] [a* a*])
|
|
(cond
|
|
[(null? a*) (K #t)]
|
|
[else
|
|
(let ([b (car a*)])
|
|
(make-conditional
|
|
(prm op (T a) (T b))
|
|
(f b (cdr a*))
|
|
(K #f)))])))]))
|
|
|
|
(define (char-fold-e a a*)
|
|
(cond
|
|
[(or (non-char? a) (ormap non-char? a*)) (interrupt)]
|
|
[else (assert-chars a a*)]))
|
|
|
|
(define-primop char=? safe
|
|
[(P) (interrupt)]
|
|
[(P a . a*) (char-fold-p '= a a*)]
|
|
[(E) (interrupt)]
|
|
[(E a . a*) (char-fold-e a a*)])
|
|
|
|
(define-primop char<? safe
|
|
[(P) (interrupt)]
|
|
[(P a . a*) (char-fold-p '< a a*)]
|
|
[(E) (interrupt)]
|
|
[(E a . a*) (char-fold-e a a*)])
|
|
|
|
(define-primop char<=? safe
|
|
[(P) (interrupt)]
|
|
[(P a . a*) (char-fold-p '<= a a*)]
|
|
[(E) (interrupt)]
|
|
[(E a . a*) (char-fold-e a a*)])
|
|
|
|
(define-primop char>? safe
|
|
[(P) (interrupt)]
|
|
[(P a . a*) (char-fold-p '> a a*)]
|
|
[(E) (interrupt)]
|
|
[(E a . a*) (char-fold-e a a*)])
|
|
|
|
(define-primop char>=? safe
|
|
[(P) (interrupt)]
|
|
[(P a . a*) (char-fold-p '>= a a*)]
|
|
[(E) (interrupt)]
|
|
[(E a . a*) (char-fold-e a a*)])
|
|
|
|
/section)
|
|
|
|
(section ;;; strings
|
|
|
|
(define-primop string? safe
|
|
[(P x) (tag-test (T x) string-mask string-tag)]
|
|
[(E x) (nop)])
|
|
|
|
(define-primop $make-string unsafe
|
|
[(V n)
|
|
(record-case n
|
|
[(constant n)
|
|
(unless (fixnum? n) (interrupt))
|
|
(with-tmp ([s (prm 'alloc
|
|
(K (align (+ n 1 disp-string-data)))
|
|
(K string-tag))])
|
|
(prm 'mset s
|
|
(K (- disp-string-length string-tag))
|
|
(K (* n fixnum-scale)))
|
|
(prm 'bset/c s
|
|
(K (+ n (- disp-string-data string-tag)))
|
|
(K 0))
|
|
s)]
|
|
[else
|
|
(with-tmp ([s (prm 'alloc
|
|
(align-code
|
|
(prm 'sra (T n) (K fixnum-shift))
|
|
(+ disp-string-data 1))
|
|
(K string-tag))])
|
|
(prm 'mset s
|
|
(K (- disp-string-length string-tag))
|
|
(T n))
|
|
(prm 'bset/c s
|
|
(prm 'int+
|
|
(prm 'sra (T n) (K fixnum-shift))
|
|
(K (- disp-string-data string-tag)))
|
|
(K 0))
|
|
s)])]
|
|
[(P n) (K #t)]
|
|
[(E n) (nop)])
|
|
|
|
(define-primop $string-length unsafe
|
|
[(V x) (prm 'mref (T x) (K (- disp-string-length string-tag)))]
|
|
[(P x) (K #t)]
|
|
[(E x) (nop)])
|
|
|
|
|
|
(define-primop $string-ref unsafe
|
|
[(V s i)
|
|
(record-case i
|
|
[(constant i)
|
|
(unless (fixnum? i) (interrupt))
|
|
(prm 'logor
|
|
(prm 'sll
|
|
(prm 'logand
|
|
(prm 'mref (T s)
|
|
(K (+ i (- disp-string-data string-tag))))
|
|
(K 255))
|
|
(K char-shift))
|
|
(K char-tag))]
|
|
[else
|
|
(prm 'logor
|
|
(prm 'sll
|
|
(prm 'srl ;;; FIXME: bref
|
|
(prm 'mref (T s)
|
|
(prm 'int+
|
|
(prm 'sra (T i) (K fixnum-shift))
|
|
;;; ENDIANNESS DEPENDENCY
|
|
(K (- disp-string-data
|
|
(- wordsize 1)
|
|
string-tag))))
|
|
(K (* (- wordsize 1) 8)))
|
|
(K char-shift))
|
|
(K char-tag))])]
|
|
[(P s i) (K #t)]
|
|
[(E s i) (nop)])
|
|
|
|
(define (assert-fixnum x)
|
|
(record-case x
|
|
[(constant i)
|
|
(if (fixnum? i) (nop) (interrupt))]
|
|
[else (interrupt-unless (cogen-pred-fixnum? x))]))
|
|
|
|
(define (assert-string x)
|
|
(record-case x
|
|
[(constant s) (if (string? s) (nop) (interrupt))]
|
|
[else (interrupt-unless (cogen-pred-string? x))]))
|
|
|
|
(define-primop string-ref safe
|
|
[(V s i)
|
|
(seq*
|
|
(assert-fixnum i)
|
|
(assert-string s)
|
|
(interrupt-unless (prm 'u< (T i) (cogen-value-$string-length s)))
|
|
(cogen-value-$string-ref s i))]
|
|
[(P s i)
|
|
(seq*
|
|
(assert-fixnum i)
|
|
(assert-string s)
|
|
(interrupt-unless (prm 'u< (T i) (cogen-value-$string-length s)))
|
|
(K #t))]
|
|
[(E s i)
|
|
(seq*
|
|
(assert-fixnum i)
|
|
(assert-string s)
|
|
(interrupt-unless (prm 'u< (T i) (cogen-value-$string-length s))))])
|
|
|
|
|
|
(define-primop $string-set! unsafe
|
|
[(E x i c)
|
|
(record-case i
|
|
[(constant i)
|
|
(unless (fixnum? i) (interrupt))
|
|
(record-case c
|
|
[(constant c)
|
|
(unless (char? c) (interrupt))
|
|
(prm 'bset/c (T x)
|
|
(K (+ i (- disp-string-data string-tag)))
|
|
(K (char->integer c)))]
|
|
[else
|
|
(unless (= char-shift 8) (error 'cogen-$string-set! "BUG"))
|
|
(prm 'bset/h (T x)
|
|
(K (+ i (- disp-string-data string-tag)))
|
|
(T c))])]
|
|
[else
|
|
(record-case c
|
|
[(constant c)
|
|
(unless (char? c) (interrupt))
|
|
(prm 'bset/c (T x)
|
|
(prm 'int+
|
|
(prm 'sra (T i) (K fixnum-shift))
|
|
(K (- disp-string-data string-tag)))
|
|
(K (char->integer c)))]
|
|
[else
|
|
(unless (= char-shift 8) (error 'cogen-$string-set! "BUG"))
|
|
(prm 'bset/h (T x)
|
|
(prm 'int+
|
|
(prm 'sra (T i) (K fixnum-shift))
|
|
(K (- disp-string-data string-tag)))
|
|
(T c))])])])
|
|
|
|
/section)
|
|
|
|
(section ;;; ports
|
|
|
|
(define-primop port? safe
|
|
[(P x) (sec-tag-test (T x) vector-mask vector-tag port-mask port-tag)]
|
|
[(E x) (nop)])
|
|
|
|
(define-primop input-port? safe
|
|
[(P x) (sec-tag-test (T x) vector-mask vector-tag #f input-port-tag)]
|
|
[(E x) (nop)])
|
|
|
|
(define-primop output-port? safe
|
|
[(P x) (sec-tag-test (T x) vector-mask vector-tag #f output-port-tag)]
|
|
[(E x) (nop)])
|
|
|
|
(define (make-port handler buf/i idx/i sz/i buf/o idx/o sz/o tag)
|
|
(with-tmp ([p (prm 'alloc (K (align port-size)) (K vector-tag))])
|
|
(prm 'mset p (K (- vector-tag)) (K tag))
|
|
(prm 'mset p (K (- disp-port-handler vector-tag)) (T handler))
|
|
(prm 'mset p (K (- disp-port-input-buffer vector-tag)) (T buf/i))
|
|
(prm 'mset p (K (- disp-port-input-index vector-tag)) (T idx/i))
|
|
(prm 'mset p (K (- disp-port-input-size vector-tag)) (T sz/i))
|
|
(prm 'mset p (K (- disp-port-output-buffer vector-tag)) (T buf/o))
|
|
(prm 'mset p (K (- disp-port-output-index vector-tag)) (T idx/o))
|
|
(prm 'mset p (K (- disp-port-output-size vector-tag)) (T sz/o))
|
|
p))
|
|
|
|
(define-primop $make-port/input unsafe
|
|
[(V handler buf/i idx/i sz/i buf/o idx/o sz/o)
|
|
(make-port handler buf/i idx/i sz/i buf/o idx/o sz/o
|
|
input-port-tag)])
|
|
(define-primop $make-port/output unsafe
|
|
[(V handler buf/i idx/i sz/i buf/o idx/o sz/o)
|
|
(make-port handler buf/i idx/i sz/i buf/o idx/o sz/o
|
|
output-port-tag)])
|
|
(define-primop $make-port/both unsafe
|
|
[(V handler buf/i idx/i sz/i buf/o idx/o sz/o)
|
|
(make-port handler buf/i idx/i sz/i buf/o idx/o sz/o
|
|
input/output-port-tag)])
|
|
|
|
(define-primop $port-handler unsafe
|
|
[(V x) (prm 'mref (T x) (K (- disp-port-handler vector-tag)))])
|
|
(define-primop $port-input-buffer unsafe
|
|
[(V x) (prm 'mref (T x) (K (- disp-port-input-buffer vector-tag)))])
|
|
(define-primop $port-input-index unsafe
|
|
[(V x) (prm 'mref (T x) (K (- disp-port-input-index vector-tag)))])
|
|
(define-primop $port-input-size unsafe
|
|
[(V x) (prm 'mref (T x) (K (- disp-port-input-size vector-tag)))])
|
|
(define-primop $port-output-buffer unsafe
|
|
[(V x) (prm 'mref (T x) (K (- disp-port-output-buffer vector-tag)))])
|
|
(define-primop $port-output-index unsafe
|
|
[(V x) (prm 'mref (T x) (K (- disp-port-output-index vector-tag)))])
|
|
(define-primop $port-output-size unsafe
|
|
[(V x) (prm 'mref (T x) (K (- disp-port-output-size vector-tag)))])
|
|
|
|
(define-primop $set-port-input-index! unsafe
|
|
[(E x i) (prm 'mset (T x) (K (- disp-port-input-index vector-tag)) (T i))])
|
|
(define-primop $set-port-output-index! unsafe
|
|
[(E x i) (prm 'mset (T x) (K (- disp-port-output-index vector-tag)) (T i))])
|
|
|
|
(define-primop $set-port-input-size! unsafe
|
|
[(E x i)
|
|
(seq*
|
|
(prm 'mset (T x) (K (- disp-port-input-index vector-tag)) (K 0))
|
|
(prm 'mset (T x) (K (- disp-port-input-size vector-tag)) (T i)))])
|
|
(define-primop $set-port-output-size! unsafe
|
|
[(E x i)
|
|
(seq*
|
|
(prm 'mset (T x) (K (- disp-port-output-index vector-tag)) (K 0))
|
|
(prm 'mset (T x) (K (- disp-port-output-size vector-tag)) (T i)))])
|
|
|
|
|
|
|
|
/section)
|
|
|
|
(section ;;; interrupts-and-engines
|
|
|
|
(define-primop $interrupted? unsafe
|
|
[(P) (prm '!= (prm 'mref pcr (K 40)) (K 0))])
|
|
|
|
(define-primop $unset-interrupted! unsafe
|
|
[(E) (prm 'mset pcr (K 40) (K 0))])
|
|
|
|
/section)
|
|
|
|
(section ;;; control operations
|
|
|
|
(define-primop $fp-at-base unsafe
|
|
[(P) ;;; PCB FRAME-BASE
|
|
(prm '= (prm 'int+ (prm 'mref pcr (K 12)) (K (- wordsize))) fpr)])
|
|
|
|
(define-primop $current-frame unsafe
|
|
[(V) (prm 'mref pcr (K 20))]) ;; PCB NEXT-CONTINUATION
|
|
|
|
|
|
(define-primop $seal-frame-and-call unsafe
|
|
[(V x) ;;; PCB NEXT CONT;;; PCB BASE
|
|
(with-tmp ([k (prm 'alloc (K continuation-size) (K vector-tag))])
|
|
(with-tmp ([base (prm 'int+ (prm 'mref pcr (K 12)) (K (- wordsize)))])
|
|
(with-tmp ([underflow-handler (prm 'mref base (K 0))])
|
|
(prm 'mset k (K (- vector-tag)) (K continuation-tag))
|
|
(prm 'mset k (K (- disp-continuation-top vector-tag)) fpr)
|
|
(prm 'mset k (K (- disp-continuation-next vector-tag))
|
|
(prm 'mref pcr (K 20)))
|
|
(prm 'mset k (K (- disp-continuation-size vector-tag)) (prm 'int- base fpr))
|
|
(prm 'mset pcr (K 20) k)
|
|
(prm 'mset pcr (K 12) fpr)
|
|
(prm '$call-with-underflow-handler underflow-handler (T x) k))))]
|
|
[(E . args) (interrupt)]
|
|
[(P . args) (interrupt)])
|
|
|
|
(define-primop $frame->continuation unsafe
|
|
[(V x)
|
|
(with-tmp ([t (prm 'alloc
|
|
(K (align (+ disp-closure-data wordsize)))
|
|
(K closure-tag))])
|
|
(prm 'mset t (K (- disp-closure-code closure-tag))
|
|
(K (make-code-loc SL_continuation_code)))
|
|
(prm 'mset t (K (- disp-closure-data closure-tag))
|
|
(T x))
|
|
t)]
|
|
[(P x) (K #t)]
|
|
[(E x) (nop)])
|
|
|
|
(define-primop $make-call-with-values-procedure unsafe
|
|
[(V) (K (make-closure (make-code-loc SL_call_with_values) '()))]
|
|
[(P) (interrupt)]
|
|
[(E) (interrupt)])
|
|
|
|
(define-primop $make-values-procedure unsafe
|
|
[(V) (K (make-closure (make-code-loc SL_values) '()))]
|
|
[(P) (interrupt)]
|
|
[(E) (interrupt)])
|
|
|
|
|
|
|
|
/section)
|
|
|
|
(section ;;; hash table tcbuckets
|
|
|
|
(define-primop $make-tcbucket unsafe
|
|
[(V tconc key val next)
|
|
(with-tmp ([x (prm 'alloc (K (align tcbucket-size)) (K vector-tag))])
|
|
(prm 'mset x (K (- disp-tcbucket-tconc vector-tag)) (T tconc))
|
|
(prm 'mset x (K (- disp-tcbucket-key vector-tag)) (T key))
|
|
(prm 'mset x (K (- disp-tcbucket-val vector-tag)) (T val))
|
|
(prm 'mset x (K (- disp-tcbucket-next vector-tag)) (T next))
|
|
x)])
|
|
|
|
(define-primop $tcbucket-key unsafe
|
|
[(V x) (prm 'mref (T x) (K (- disp-tcbucket-key vector-tag)))])
|
|
(define-primop $tcbucket-val unsafe
|
|
[(V x) (prm 'mref (T x) (K (- disp-tcbucket-val vector-tag)))])
|
|
(define-primop $tcbucket-next unsafe
|
|
[(V x) (prm 'mref (T x) (K (- disp-tcbucket-next vector-tag)))])
|
|
|
|
(define-primop $set-tcbucket-key! unsafe
|
|
[(E x v) (mem-assign v (T x) (- disp-tcbucket-key vector-tag))])
|
|
(define-primop $set-tcbucket-val! unsafe
|
|
[(E x v) (mem-assign v (T x) (- disp-tcbucket-val vector-tag))])
|
|
(define-primop $set-tcbucket-next! unsafe
|
|
[(E x v) (mem-assign v (T x) (- disp-tcbucket-next vector-tag))])
|
|
(define-primop $set-tcbucket-tconc! unsafe
|
|
[(E x v) (mem-assign v (T x) (- disp-tcbucket-tconc vector-tag))])
|
|
|
|
|
|
/section)
|
|
|
|
(section ;;; codes
|
|
|
|
(define-primop $code? unsafe
|
|
[(P x) (sec-tag-test (T x) vector-mask vector-tag #f code-tag)])
|
|
|
|
(define-primop $closure-code unsafe
|
|
[(V x)
|
|
(prm 'int+
|
|
(prm 'mref (T x) (K (- disp-closure-code closure-tag)))
|
|
(K (- vector-tag disp-code-data)))])
|
|
|
|
(define-primop $code-freevars unsafe
|
|
[(V x) (prm 'mref (T x) (K (- disp-code-freevars vector-tag)))])
|
|
|
|
(define-primop $code-reloc-vector unsafe
|
|
[(V x) (prm 'mref (T x) (K (- disp-code-relocsize vector-tag)))])
|
|
|
|
(define-primop $code-size unsafe
|
|
[(V x) (prm 'mref (T x) (K (- disp-code-instrsize vector-tag)))])
|
|
|
|
(define-primop $code->closure unsafe
|
|
[(V x)
|
|
(with-tmp ([v (prm 'alloc
|
|
(K (align (+ 0 disp-closure-data)))
|
|
(K closure-tag))])
|
|
(prm 'mset v
|
|
(K (- disp-closure-code closure-tag))
|
|
(prm 'int+ (T x)
|
|
(K (- disp-code-data vector-tag))))
|
|
v)])
|
|
|
|
(define-primop $code-ref unsafe
|
|
[(V x i)
|
|
(prm 'sll
|
|
(prm 'logand
|
|
(prm 'mref (T x)
|
|
(prm 'int+
|
|
(prm 'sra (T i) (K fixnum-shift))
|
|
(K (- disp-code-data vector-tag))))
|
|
(K 255))
|
|
(K fixnum-shift))])
|
|
|
|
(define-primop $code-set! unsafe
|
|
[(E x i v)
|
|
(prm 'bset/h (T x)
|
|
(prm 'int+
|
|
(prm 'sra (T i) (K fixnum-shift))
|
|
(K (- disp-code-data vector-tag)))
|
|
(prm 'sll (T v) (K (- 8 fixnum-shift))))])
|
|
|
|
|
|
/section)
|
|
|
|
|