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Source information goes on the $continue, not the $cont.
* module/language/cps.scm ($continue, $cont): Put source information on the $continue, not on the $cont. Otherwise it is difficult for CPS conversion to preserve source information. ($fun): Add a src member to $fun. Otherwise we might miss the source info for the start of the function. * .dir-locals.el: * module/language/cps/arities.scm: * module/language/cps/closure-conversion.scm: * module/language/cps/compile-rtl.scm: * module/language/cps/constructors.scm: * module/language/cps/contification.scm: * module/language/cps/dfg.scm: * module/language/cps/elide-values.scm: * module/language/cps/reify-primitives.scm: * module/language/cps/slot-allocation.scm: * module/language/cps/verify.scm: * module/language/tree-il/compile-cps.scm: Update the whole CPS world for this change.
This commit is contained in:
Andy Wingo
parent
963d95f1d9
commit
6e422a3599
13 changed files with 767 additions and 784 deletions
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@ -76,413 +76,405 @@
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exp))
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(define (collect-conts f cfa)
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(let ((srcv (make-vector (cfa-k-count cfa) #f))
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(contv (make-vector (cfa-k-count cfa) #f)))
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(let ((contv (make-vector (cfa-k-count cfa) #f)))
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(fold-local-conts
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(lambda (k src cont tail)
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(lambda (k cont tail)
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(let ((idx (cfa-k-idx cfa k #:default (lambda (k) #f))))
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(when idx
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(when src
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(vector-set! srcv idx src))
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(vector-set! contv idx cont))))
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'()
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(match f
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(($ $fun meta free entry)
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(($ $fun src meta free entry)
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entry)))
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(values srcv contv)))
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contv))
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(define (compile-fun f asm)
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(let* ((dfg (compute-dfg f #:global? #f))
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(cfa (analyze-control-flow f dfg))
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(allocation (allocate-slots f dfg)))
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(call-with-values (lambda () (collect-conts f cfa))
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(lambda (srcv contv)
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(define (lookup-cont k)
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(vector-ref contv (cfa-k-idx cfa k)))
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(allocation (allocate-slots f dfg))
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(contv (collect-conts f cfa)))
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(define (lookup-cont k)
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(vector-ref contv (cfa-k-idx cfa k)))
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(define (maybe-emit-source n)
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(let ((src (vector-ref srcv n)))
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(when src
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(emit-source asm src))))
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(define (immediate-u8? val)
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(and (integer? val) (exact? val) (<= 0 val 255)))
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(define (emit-label-and-maybe-source n)
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(emit-label asm (cfa-k-sym cfa n))
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(maybe-emit-source n))
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(define (maybe-immediate-u8 sym)
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(call-with-values (lambda ()
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(lookup-maybe-constant-value sym allocation))
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(lambda (has-const? val)
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(and has-const? (immediate-u8? val) val))))
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(define (immediate-u8? val)
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(and (integer? val) (exact? val) (<= 0 val 255)))
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(define (slot sym)
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(lookup-slot sym allocation))
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(define (maybe-immediate-u8 sym)
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(call-with-values (lambda ()
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(lookup-maybe-constant-value sym allocation))
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(lambda (has-const? val)
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(and has-const? (immediate-u8? val) val))))
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(define (constant sym)
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(lookup-constant-value sym allocation))
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(define (slot sym)
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(lookup-slot sym allocation))
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(define (maybe-mov dst src)
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(unless (= dst src)
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(emit-mov asm dst src)))
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(define (constant sym)
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(lookup-constant-value sym allocation))
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(define (maybe-load-constant slot src)
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(call-with-values (lambda ()
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(lookup-maybe-constant-value src allocation))
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(lambda (has-const? val)
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(and has-const?
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(begin
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(emit-load-constant asm slot val)
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#t)))))
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(define (maybe-mov dst src)
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(unless (= dst src)
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(emit-mov asm dst src)))
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(define (compile-entry meta)
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(match (vector-ref contv 0)
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(($ $kentry self tail clauses)
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(emit-begin-program asm (cfa-k-sym cfa 0) meta)
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(let lp ((n 1)
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(ks (map (match-lambda (($ $cont k) k)) clauses)))
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(match ks
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(()
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(unless (= n (vector-length contv))
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(error "unexpected end of clauses"))
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(emit-end-program asm))
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((k . ks)
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(unless (eq? (cfa-k-sym cfa n) k)
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(error "unexpected k" k))
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(lp (compile-clause n (and (pair? ks) (car ks)))
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ks)))))))
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(define (maybe-load-constant slot src)
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(call-with-values (lambda ()
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(lookup-maybe-constant-value src allocation))
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(lambda (has-const? val)
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(and has-const?
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(begin
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(emit-load-constant asm slot val)
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#t)))))
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(define (compile-clause n alternate)
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(match (vector-ref contv n)
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(($ $kclause ($ $arity req opt rest kw allow-other-keys?))
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(let* ((kw-indices (map (match-lambda
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((key name sym)
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(cons key (lookup-slot sym allocation))))
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kw))
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(k (cfa-k-sym cfa n))
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(nlocals (lookup-nlocals k allocation)))
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(emit-label asm k)
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(emit-begin-kw-arity asm req opt rest kw-indices
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allow-other-keys? nlocals alternate)
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(let ((next (compile-body (1+ n) nlocals)))
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(emit-end-arity asm)
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next)))))
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(define (compile-entry meta)
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(match (vector-ref contv 0)
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(($ $kentry self tail clauses)
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(emit-begin-program asm (cfa-k-sym cfa 0) meta)
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(maybe-emit-source 0)
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(let lp ((n 1)
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(ks (map (match-lambda (($ $cont k) k)) clauses)))
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(match ks
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(()
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(unless (= n (vector-length contv))
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(error "unexpected end of clauses"))
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(emit-end-program asm))
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((k . ks)
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(unless (eq? (cfa-k-sym cfa n) k)
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(error "unexpected k" k))
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(lp (compile-clause n (and (pair? ks) (car ks)))
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ks)))))))
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(define (compile-body n nlocals)
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(let compile-cont ((n n))
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(if (= n (vector-length contv))
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n
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(match (vector-ref contv n)
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(($ $kclause) n)
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(($ $kargs _ _ term)
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(emit-label asm (cfa-k-sym cfa n))
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(let find-exp ((term term))
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(match term
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(($ $letk conts term)
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(find-exp term))
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(($ $continue k src exp)
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(when src
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(emit-source asm src))
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(compile-expression n k exp nlocals)
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(compile-cont (1+ n))))))
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(_
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(emit-label asm (cfa-k-sym cfa n))
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(compile-cont (1+ n)))))))
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(define (compile-clause n alternate)
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(match (vector-ref contv n)
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(($ $kclause ($ $arity req opt rest kw allow-other-keys?))
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(let ((kw-indices (map (match-lambda
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((key name sym)
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(cons key (lookup-slot sym allocation))))
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kw))
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(nlocals (lookup-nlocals (cfa-k-sym cfa n) allocation)))
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(emit-label-and-maybe-source n)
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(emit-begin-kw-arity asm req opt rest kw-indices
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allow-other-keys? nlocals alternate)
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(let ((next (compile-body (1+ n) nlocals)))
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(emit-end-arity asm)
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next)))))
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(define (compile-expression n k exp nlocals)
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(let* ((label (cfa-k-sym cfa n))
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(k-idx (cfa-k-idx cfa k))
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(fallthrough? (= k-idx (1+ n))))
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(define (maybe-emit-jump)
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(unless (= k-idx (1+ n))
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(emit-br asm k)))
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(match (vector-ref contv k-idx)
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(($ $ktail)
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(compile-tail label exp))
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(($ $kargs (name) (sym))
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(let ((dst (slot sym)))
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(when dst
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(compile-value label exp dst nlocals)))
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(maybe-emit-jump))
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(($ $kargs () ())
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(compile-effect label exp k nlocals)
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(maybe-emit-jump))
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(($ $kargs names syms)
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(compile-values label exp syms)
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(maybe-emit-jump))
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(($ $kif kt kf)
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(compile-test label exp kt kf
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(and (= k-idx (1+ n))
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(< (+ n 2) (cfa-k-count cfa))
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(cfa-k-sym cfa (+ n 2)))))
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(($ $ktrunc ($ $arity req () rest () #f) k)
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(compile-trunc label exp (length req) (and rest #t) nlocals)
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(unless (and (= k-idx (1+ n))
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(< (+ n 2) (cfa-k-count cfa))
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(eq? (cfa-k-sym cfa (+ n 2)) k))
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(emit-br asm k))))))
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(define (compile-body n nlocals)
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(let compile-cont ((n n))
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(if (= n (vector-length contv))
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n
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(match (vector-ref contv n)
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(($ $kclause) n)
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(($ $kargs _ _ term)
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(emit-label-and-maybe-source n)
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(let find-exp ((term term))
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(match term
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(($ $letk conts term)
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(find-exp term))
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(($ $continue k exp)
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(compile-expression n k exp nlocals)
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(compile-cont (1+ n))))))
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(_
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(emit-label-and-maybe-source n)
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(compile-cont (1+ n)))))))
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(define (compile-tail label exp)
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;; There are only three kinds of expressions in tail position:
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;; tail calls, multiple-value returns, and single-value returns.
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(match exp
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(($ $call proc args)
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(for-each (match-lambda
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((src . dst) (emit-mov asm dst src)))
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(lookup-parallel-moves label allocation))
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(let ((tail-slots (cdr (iota (1+ (length args))))))
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(for-each maybe-load-constant tail-slots args))
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(emit-tail-call asm (1+ (length args))))
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(($ $values args)
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(let ((tail-slots (cdr (iota (1+ (length args))))))
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(for-each (match-lambda
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((src . dst) (emit-mov asm dst src)))
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(lookup-parallel-moves label allocation))
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(for-each maybe-load-constant tail-slots args))
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(emit-reset-frame asm (1+ (length args)))
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(emit-return-values asm))
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(($ $primcall 'return (arg))
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(emit-return asm (slot arg)))))
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(define (compile-expression n k exp nlocals)
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(let* ((label (cfa-k-sym cfa n))
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(k-idx (cfa-k-idx cfa k))
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(fallthrough? (= k-idx (1+ n))))
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(define (maybe-emit-jump)
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(unless (= k-idx (1+ n))
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(emit-br asm k)))
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(match (vector-ref contv k-idx)
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(($ $ktail)
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(compile-tail label exp))
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(($ $kargs (name) (sym))
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(let ((dst (slot sym)))
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(when dst
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(compile-value label exp dst nlocals)))
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(maybe-emit-jump))
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(($ $kargs () ())
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(compile-effect label exp k nlocals)
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(maybe-emit-jump))
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(($ $kargs names syms)
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(compile-values label exp syms)
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(maybe-emit-jump))
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(($ $kif kt kf)
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(compile-test label exp kt kf
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(and (= k-idx (1+ n))
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(< (+ n 2) (cfa-k-count cfa))
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(cfa-k-sym cfa (+ n 2)))))
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(($ $ktrunc ($ $arity req () rest () #f) k)
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(compile-trunc label exp (length req) (and rest #t) nlocals)
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(unless (and (= k-idx (1+ n))
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(< (+ n 2) (cfa-k-count cfa))
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(eq? (cfa-k-sym cfa (+ n 2)) k))
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(emit-br asm k))))))
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(define (compile-value label exp dst nlocals)
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(match exp
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(($ $var sym)
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(maybe-mov dst (slot sym)))
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;; FIXME: Remove ($var sym), replace with ($values (sym))
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(($ $values (arg))
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(or (maybe-load-constant dst arg)
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(maybe-mov dst (slot arg))))
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(($ $void)
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(emit-load-constant asm dst *unspecified*))
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(($ $const exp)
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(emit-load-constant asm dst exp))
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(($ $fun src meta () ($ $cont k))
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(emit-load-static-procedure asm dst k))
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(($ $fun src meta free ($ $cont k))
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(emit-make-closure asm dst k (length free)))
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(($ $call proc args)
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(let ((proc-slot (lookup-call-proc-slot label allocation))
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(nargs (length args)))
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(or (maybe-load-constant proc-slot proc)
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(maybe-mov proc-slot (slot proc)))
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(let lp ((n (1+ proc-slot)) (args args))
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(match args
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(()
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(emit-call asm proc-slot (+ nargs 1))
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(emit-receive asm dst proc-slot nlocals))
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((arg . args)
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(or (maybe-load-constant n arg)
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(maybe-mov n (slot arg)))
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(lp (1+ n) args))))))
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(($ $primcall 'current-module)
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(emit-current-module asm dst))
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(($ $primcall 'cached-toplevel-box (scope name bound?))
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(emit-cached-toplevel-box asm dst (constant scope) (constant name)
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(constant bound?)))
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(($ $primcall 'cached-module-box (mod name public? bound?))
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(emit-cached-module-box asm dst (constant mod) (constant name)
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(constant public?) (constant bound?)))
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(($ $primcall 'resolve (name bound?))
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(emit-resolve asm dst (constant bound?) (slot name)))
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(($ $primcall 'free-ref (closure idx))
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(emit-free-ref asm dst (slot closure) (constant idx)))
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(($ $primcall 'make-vector (length init))
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(cond
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((maybe-immediate-u8 length)
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=> (lambda (length)
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(emit-constant-make-vector asm dst length (slot init))))
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(else
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(emit-make-vector asm dst (slot length) (slot init)))))
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(($ $primcall 'vector-ref (vector index))
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(cond
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((maybe-immediate-u8 index)
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=> (lambda (index)
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(emit-constant-vector-ref asm dst (slot vector) index)))
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(else
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(emit-vector-ref asm dst (slot vector) (slot index)))))
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(($ $primcall 'builtin-ref (name))
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(emit-builtin-ref asm dst (constant name)))
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(($ $primcall 'bv-u8-ref (bv idx))
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(emit-bv-u8-ref asm dst (slot bv) (slot idx)))
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(($ $primcall 'bv-u16-ref (bv idx))
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(emit-bv-u16-ref asm dst (slot bv) (slot idx)))
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(($ $primcall 'bv-s16-ref (bv idx))
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(emit-bv-s16-ref asm dst (slot bv) (slot idx)))
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(($ $primcall 'bv-u32-ref (bv idx val))
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(emit-bv-u32-ref asm dst (slot bv) (slot idx)))
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(($ $primcall 'bv-s32-ref (bv idx val))
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(emit-bv-s32-ref asm dst (slot bv) (slot idx)))
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(($ $primcall 'bv-u64-ref (bv idx val))
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(emit-bv-u64-ref asm dst (slot bv) (slot idx)))
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(($ $primcall 'bv-s64-ref (bv idx val))
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(emit-bv-s64-ref asm dst (slot bv) (slot idx)))
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(($ $primcall 'bv-f32-ref (bv idx val))
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(emit-bv-f32-ref asm dst (slot bv) (slot idx)))
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(($ $primcall 'bv-f64-ref (bv idx val))
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(emit-bv-f64-ref asm dst (slot bv) (slot idx)))
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(($ $primcall name args)
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;; FIXME: Inline all the cases.
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(let ((inst (prim-rtl-instruction name)))
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(emit-text asm `((,inst ,dst ,@(map slot args))))))))
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|
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(define (compile-tail label exp)
|
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;; There are only three kinds of expressions in tail position:
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;; tail calls, multiple-value returns, and single-value returns.
|
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(match exp
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(($ $call proc args)
|
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(for-each (match-lambda
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((src . dst) (emit-mov asm dst src)))
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(lookup-parallel-moves label allocation))
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(let ((tail-slots (cdr (iota (1+ (length args))))))
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(for-each maybe-load-constant tail-slots args))
|
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(emit-tail-call asm (1+ (length args))))
|
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(($ $values args)
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(let ((tail-slots (cdr (iota (1+ (length args))))))
|
||||
(for-each (match-lambda
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((src . dst) (emit-mov asm dst src)))
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(lookup-parallel-moves label allocation))
|
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(for-each maybe-load-constant tail-slots args))
|
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(emit-reset-frame asm (1+ (length args)))
|
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(emit-return-values asm))
|
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(($ $primcall 'return (arg))
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(emit-return asm (slot arg)))))
|
||||
(define (compile-effect label exp k nlocals)
|
||||
(match exp
|
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(($ $values ()) #f)
|
||||
(($ $prompt escape? tag handler pop)
|
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(match (lookup-cont handler)
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(($ $ktrunc ($ $arity req () rest () #f) khandler-body)
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(let ((receive-args (gensym "handler"))
|
||||
(nreq (length req))
|
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(proc-slot (lookup-call-proc-slot label allocation)))
|
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(emit-prompt asm (slot tag) escape? proc-slot receive-args)
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(emit-br asm k)
|
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(emit-label asm receive-args)
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(emit-receive-values asm proc-slot (->bool rest) nreq)
|
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(when rest
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(emit-bind-rest asm (+ proc-slot 1 nreq)))
|
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(for-each (match-lambda
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((src . dst) (emit-mov asm dst src)))
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(lookup-parallel-moves handler allocation))
|
||||
(emit-reset-frame asm nlocals)
|
||||
(emit-br asm khandler-body)))))
|
||||
(($ $primcall 'cache-current-module! (sym scope))
|
||||
(emit-cache-current-module! asm (slot sym) (constant scope)))
|
||||
(($ $primcall 'free-set! (closure idx value))
|
||||
(emit-free-set! asm (slot closure) (slot value) (constant idx)))
|
||||
(($ $primcall 'box-set! (box value))
|
||||
(emit-box-set! asm (slot box) (slot value)))
|
||||
(($ $primcall 'struct-set! (struct index value))
|
||||
(emit-struct-set! asm (slot struct) (slot index) (slot value)))
|
||||
(($ $primcall 'vector-set! (vector index value))
|
||||
(call-with-values (lambda ()
|
||||
(lookup-maybe-constant-value index allocation))
|
||||
(lambda (has-const? index-val)
|
||||
(if (and has-const? (integer? index-val) (exact? index-val)
|
||||
(<= 0 index-val 255))
|
||||
(emit-constant-vector-set! asm (slot vector) index-val
|
||||
(slot value))
|
||||
(emit-vector-set! asm (slot vector) (slot index)
|
||||
(slot value))))))
|
||||
(($ $primcall 'variable-set! (var val))
|
||||
(emit-box-set! asm (slot var) (slot val)))
|
||||
(($ $primcall 'set-car! (pair value))
|
||||
(emit-set-car! asm (slot pair) (slot value)))
|
||||
(($ $primcall 'set-cdr! (pair value))
|
||||
(emit-set-cdr! asm (slot pair) (slot value)))
|
||||
(($ $primcall 'define! (sym value))
|
||||
(emit-define! asm (slot sym) (slot value)))
|
||||
(($ $primcall 'push-fluid (fluid val))
|
||||
(emit-push-fluid asm (slot fluid) (slot val)))
|
||||
(($ $primcall 'pop-fluid ())
|
||||
(emit-pop-fluid asm))
|
||||
(($ $primcall 'wind (winder unwinder))
|
||||
(emit-wind asm (slot winder) (slot unwinder)))
|
||||
(($ $primcall 'bv-u8-set! (bv idx val))
|
||||
(emit-bv-u8-set! asm (slot bv) (slot idx) (slot val)))
|
||||
(($ $primcall 'bv-u16-set! (bv idx val))
|
||||
(emit-bv-u16-set! asm (slot bv) (slot idx) (slot val)))
|
||||
(($ $primcall 'bv-s16-set! (bv idx val))
|
||||
(emit-bv-s16-set! asm (slot bv) (slot idx) (slot val)))
|
||||
(($ $primcall 'bv-u32-set! (bv idx val))
|
||||
(emit-bv-u32-set! asm (slot bv) (slot idx) (slot val)))
|
||||
(($ $primcall 'bv-s32-set! (bv idx val))
|
||||
(emit-bv-s32-set! asm (slot bv) (slot idx) (slot val)))
|
||||
(($ $primcall 'bv-u64-set! (bv idx val))
|
||||
(emit-bv-u64-set! asm (slot bv) (slot idx) (slot val)))
|
||||
(($ $primcall 'bv-s64-set! (bv idx val))
|
||||
(emit-bv-s64-set! asm (slot bv) (slot idx) (slot val)))
|
||||
(($ $primcall 'bv-f32-set! (bv idx val))
|
||||
(emit-bv-f32-set! asm (slot bv) (slot idx) (slot val)))
|
||||
(($ $primcall 'bv-f64-set! (bv idx val))
|
||||
(emit-bv-f64-set! asm (slot bv) (slot idx) (slot val)))
|
||||
(($ $primcall 'unwind ())
|
||||
(emit-unwind asm))))
|
||||
|
||||
(define (compile-value label exp dst nlocals)
|
||||
(match exp
|
||||
(($ $var sym)
|
||||
(maybe-mov dst (slot sym)))
|
||||
;; FIXME: Remove ($var sym), replace with ($values (sym))
|
||||
(($ $values (arg))
|
||||
(or (maybe-load-constant dst arg)
|
||||
(maybe-mov dst (slot arg))))
|
||||
(($ $void)
|
||||
(emit-load-constant asm dst *unspecified*))
|
||||
(($ $const exp)
|
||||
(emit-load-constant asm dst exp))
|
||||
(($ $fun meta () ($ $cont k))
|
||||
(emit-load-static-procedure asm dst k))
|
||||
(($ $fun meta free ($ $cont k))
|
||||
(emit-make-closure asm dst k (length free)))
|
||||
(($ $call proc args)
|
||||
(let ((proc-slot (lookup-call-proc-slot label allocation))
|
||||
(nargs (length args)))
|
||||
(or (maybe-load-constant proc-slot proc)
|
||||
(maybe-mov proc-slot (slot proc)))
|
||||
(let lp ((n (1+ proc-slot)) (args args))
|
||||
(match args
|
||||
(()
|
||||
(emit-call asm proc-slot (+ nargs 1))
|
||||
(emit-receive asm dst proc-slot nlocals))
|
||||
((arg . args)
|
||||
(or (maybe-load-constant n arg)
|
||||
(maybe-mov n (slot arg)))
|
||||
(lp (1+ n) args))))))
|
||||
(($ $primcall 'current-module)
|
||||
(emit-current-module asm dst))
|
||||
(($ $primcall 'cached-toplevel-box (scope name bound?))
|
||||
(emit-cached-toplevel-box asm dst (constant scope) (constant name)
|
||||
(constant bound?)))
|
||||
(($ $primcall 'cached-module-box (mod name public? bound?))
|
||||
(emit-cached-module-box asm dst (constant mod) (constant name)
|
||||
(constant public?) (constant bound?)))
|
||||
(($ $primcall 'resolve (name bound?))
|
||||
(emit-resolve asm dst (constant bound?) (slot name)))
|
||||
(($ $primcall 'free-ref (closure idx))
|
||||
(emit-free-ref asm dst (slot closure) (constant idx)))
|
||||
(($ $primcall 'make-vector (length init))
|
||||
(cond
|
||||
((maybe-immediate-u8 length)
|
||||
=> (lambda (length)
|
||||
(emit-constant-make-vector asm dst length (slot init))))
|
||||
(else
|
||||
(emit-make-vector asm dst (slot length) (slot init)))))
|
||||
(($ $primcall 'vector-ref (vector index))
|
||||
(cond
|
||||
((maybe-immediate-u8 index)
|
||||
=> (lambda (index)
|
||||
(emit-constant-vector-ref asm dst (slot vector) index)))
|
||||
(else
|
||||
(emit-vector-ref asm dst (slot vector) (slot index)))))
|
||||
(($ $primcall 'builtin-ref (name))
|
||||
(emit-builtin-ref asm dst (constant name)))
|
||||
(($ $primcall 'bv-u8-ref (bv idx))
|
||||
(emit-bv-u8-ref asm dst (slot bv) (slot idx)))
|
||||
(($ $primcall 'bv-u16-ref (bv idx))
|
||||
(emit-bv-u16-ref asm dst (slot bv) (slot idx)))
|
||||
(($ $primcall 'bv-s16-ref (bv idx))
|
||||
(emit-bv-s16-ref asm dst (slot bv) (slot idx)))
|
||||
(($ $primcall 'bv-u32-ref (bv idx val))
|
||||
(emit-bv-u32-ref asm dst (slot bv) (slot idx)))
|
||||
(($ $primcall 'bv-s32-ref (bv idx val))
|
||||
(emit-bv-s32-ref asm dst (slot bv) (slot idx)))
|
||||
(($ $primcall 'bv-u64-ref (bv idx val))
|
||||
(emit-bv-u64-ref asm dst (slot bv) (slot idx)))
|
||||
(($ $primcall 'bv-s64-ref (bv idx val))
|
||||
(emit-bv-s64-ref asm dst (slot bv) (slot idx)))
|
||||
(($ $primcall 'bv-f32-ref (bv idx val))
|
||||
(emit-bv-f32-ref asm dst (slot bv) (slot idx)))
|
||||
(($ $primcall 'bv-f64-ref (bv idx val))
|
||||
(emit-bv-f64-ref asm dst (slot bv) (slot idx)))
|
||||
(($ $primcall name args)
|
||||
;; FIXME: Inline all the cases.
|
||||
(let ((inst (prim-rtl-instruction name)))
|
||||
(emit-text asm `((,inst ,dst ,@(map slot args))))))))
|
||||
(define (compile-values label exp syms)
|
||||
(match exp
|
||||
(($ $values args)
|
||||
(for-each (match-lambda
|
||||
((src . dst) (emit-mov asm dst src)))
|
||||
(lookup-parallel-moves label allocation))
|
||||
(for-each maybe-load-constant (map slot syms) args))))
|
||||
|
||||
(define (compile-effect label exp k nlocals)
|
||||
(match exp
|
||||
(($ $values ()) #f)
|
||||
(($ $prompt escape? tag handler pop)
|
||||
(match (lookup-cont handler)
|
||||
(($ $ktrunc ($ $arity req () rest () #f) khandler-body)
|
||||
(let ((receive-args (gensym "handler"))
|
||||
(nreq (length req))
|
||||
(proc-slot (lookup-call-proc-slot label allocation)))
|
||||
(emit-prompt asm (slot tag) escape? proc-slot receive-args)
|
||||
(emit-br asm k)
|
||||
(emit-label asm receive-args)
|
||||
(emit-receive-values asm proc-slot (->bool rest) nreq)
|
||||
(when rest
|
||||
(emit-bind-rest asm (+ proc-slot 1 nreq)))
|
||||
(for-each (match-lambda
|
||||
((src . dst) (emit-mov asm dst src)))
|
||||
(lookup-parallel-moves handler allocation))
|
||||
(emit-reset-frame asm nlocals)
|
||||
(emit-br asm khandler-body)))))
|
||||
(($ $primcall 'cache-current-module! (sym scope))
|
||||
(emit-cache-current-module! asm (slot sym) (constant scope)))
|
||||
(($ $primcall 'free-set! (closure idx value))
|
||||
(emit-free-set! asm (slot closure) (slot value) (constant idx)))
|
||||
(($ $primcall 'box-set! (box value))
|
||||
(emit-box-set! asm (slot box) (slot value)))
|
||||
(($ $primcall 'struct-set! (struct index value))
|
||||
(emit-struct-set! asm (slot struct) (slot index) (slot value)))
|
||||
(($ $primcall 'vector-set! (vector index value))
|
||||
(call-with-values (lambda ()
|
||||
(lookup-maybe-constant-value index allocation))
|
||||
(lambda (has-const? index-val)
|
||||
(if (and has-const? (integer? index-val) (exact? index-val)
|
||||
(<= 0 index-val 255))
|
||||
(emit-constant-vector-set! asm (slot vector) index-val
|
||||
(slot value))
|
||||
(emit-vector-set! asm (slot vector) (slot index)
|
||||
(slot value))))))
|
||||
(($ $primcall 'variable-set! (var val))
|
||||
(emit-box-set! asm (slot var) (slot val)))
|
||||
(($ $primcall 'set-car! (pair value))
|
||||
(emit-set-car! asm (slot pair) (slot value)))
|
||||
(($ $primcall 'set-cdr! (pair value))
|
||||
(emit-set-cdr! asm (slot pair) (slot value)))
|
||||
(($ $primcall 'define! (sym value))
|
||||
(emit-define! asm (slot sym) (slot value)))
|
||||
(($ $primcall 'push-fluid (fluid val))
|
||||
(emit-push-fluid asm (slot fluid) (slot val)))
|
||||
(($ $primcall 'pop-fluid ())
|
||||
(emit-pop-fluid asm))
|
||||
(($ $primcall 'wind (winder unwinder))
|
||||
(emit-wind asm (slot winder) (slot unwinder)))
|
||||
(($ $primcall 'bv-u8-set! (bv idx val))
|
||||
(emit-bv-u8-set! asm (slot bv) (slot idx) (slot val)))
|
||||
(($ $primcall 'bv-u16-set! (bv idx val))
|
||||
(emit-bv-u16-set! asm (slot bv) (slot idx) (slot val)))
|
||||
(($ $primcall 'bv-s16-set! (bv idx val))
|
||||
(emit-bv-s16-set! asm (slot bv) (slot idx) (slot val)))
|
||||
(($ $primcall 'bv-u32-set! (bv idx val))
|
||||
(emit-bv-u32-set! asm (slot bv) (slot idx) (slot val)))
|
||||
(($ $primcall 'bv-s32-set! (bv idx val))
|
||||
(emit-bv-s32-set! asm (slot bv) (slot idx) (slot val)))
|
||||
(($ $primcall 'bv-u64-set! (bv idx val))
|
||||
(emit-bv-u64-set! asm (slot bv) (slot idx) (slot val)))
|
||||
(($ $primcall 'bv-s64-set! (bv idx val))
|
||||
(emit-bv-s64-set! asm (slot bv) (slot idx) (slot val)))
|
||||
(($ $primcall 'bv-f32-set! (bv idx val))
|
||||
(emit-bv-f32-set! asm (slot bv) (slot idx) (slot val)))
|
||||
(($ $primcall 'bv-f64-set! (bv idx val))
|
||||
(emit-bv-f64-set! asm (slot bv) (slot idx) (slot val)))
|
||||
(($ $primcall 'unwind ())
|
||||
(emit-unwind asm))))
|
||||
(define (compile-test label exp kt kf next-label)
|
||||
(define (unary op sym)
|
||||
(cond
|
||||
((eq? kt next-label)
|
||||
(op asm (slot sym) #t kf))
|
||||
(else
|
||||
(op asm (slot sym) #f kt)
|
||||
(unless (eq? kf next-label)
|
||||
(emit-br asm kf)))))
|
||||
(define (binary op a b)
|
||||
(cond
|
||||
((eq? kt next-label)
|
||||
(op asm (slot a) (slot b) #t kf))
|
||||
(else
|
||||
(op asm (slot a) (slot b) #f kt)
|
||||
(unless (eq? kf next-label)
|
||||
(emit-br asm kf)))))
|
||||
(match exp
|
||||
(($ $var sym) (unary emit-br-if-true sym))
|
||||
(($ $primcall 'null? (a)) (unary emit-br-if-null a))
|
||||
(($ $primcall 'nil? (a)) (unary emit-br-if-nil a))
|
||||
(($ $primcall 'pair? (a)) (unary emit-br-if-pair a))
|
||||
(($ $primcall 'struct? (a)) (unary emit-br-if-struct a))
|
||||
(($ $primcall 'char? (a)) (unary emit-br-if-char a))
|
||||
(($ $primcall 'symbol? (a)) (unary emit-br-if-symbol a))
|
||||
(($ $primcall 'variable? (a)) (unary emit-br-if-variable a))
|
||||
(($ $primcall 'vector? (a)) (unary emit-br-if-vector a))
|
||||
(($ $primcall 'string? (a)) (unary emit-br-if-string a))
|
||||
(($ $primcall 'bytevector? (a)) (unary emit-br-if-bytevector a))
|
||||
;; Add more TC7 tests here. Keep in sync with
|
||||
;; *branching-primcall-arities* in (language cps primitives) and
|
||||
;; the set of macro-instructions in assembly.scm.
|
||||
(($ $primcall 'eq? (a b)) (binary emit-br-if-eq a b))
|
||||
(($ $primcall 'eqv? (a b)) (binary emit-br-if-eqv a b))
|
||||
(($ $primcall 'equal? (a b)) (binary emit-br-if-equal a b))
|
||||
(($ $primcall '< (a b)) (binary emit-br-if-< a b))
|
||||
(($ $primcall '<= (a b)) (binary emit-br-if-<= a b))
|
||||
(($ $primcall '= (a b)) (binary emit-br-if-= a b))
|
||||
(($ $primcall '>= (a b)) (binary emit-br-if-<= b a))
|
||||
(($ $primcall '> (a b)) (binary emit-br-if-< b a))))
|
||||
|
||||
(define (compile-values label exp syms)
|
||||
(match exp
|
||||
(($ $values args)
|
||||
(for-each (match-lambda
|
||||
((src . dst) (emit-mov asm dst src)))
|
||||
(lookup-parallel-moves label allocation))
|
||||
(for-each maybe-load-constant (map slot syms) args))))
|
||||
(define (compile-trunc label exp nreq rest? nlocals)
|
||||
(match exp
|
||||
(($ $call proc args)
|
||||
(let ((proc-slot (lookup-call-proc-slot label allocation))
|
||||
(nargs (length args)))
|
||||
(or (maybe-load-constant proc-slot proc)
|
||||
(maybe-mov proc-slot (slot proc)))
|
||||
(let lp ((n (1+ proc-slot)) (args args))
|
||||
(match args
|
||||
(()
|
||||
(emit-call asm proc-slot (+ nargs 1))
|
||||
;; FIXME: Only allow more values if there is a rest arg.
|
||||
;; Express values truncation by the presence of an
|
||||
;; unused rest arg instead of implicitly.
|
||||
(emit-receive-values asm proc-slot #t nreq)
|
||||
(when rest?
|
||||
(emit-bind-rest asm (+ proc-slot 1 nreq)))
|
||||
(for-each (match-lambda
|
||||
((src . dst) (emit-mov asm dst src)))
|
||||
(lookup-parallel-moves label allocation))
|
||||
(emit-reset-frame asm nlocals))
|
||||
((arg . args)
|
||||
(or (maybe-load-constant n arg)
|
||||
(maybe-mov n (slot arg)))
|
||||
(lp (1+ n) args))))))))
|
||||
|
||||
(define (compile-test label exp kt kf next-label)
|
||||
(define (unary op sym)
|
||||
(cond
|
||||
((eq? kt next-label)
|
||||
(op asm (slot sym) #t kf))
|
||||
(else
|
||||
(op asm (slot sym) #f kt)
|
||||
(unless (eq? kf next-label)
|
||||
(emit-br asm kf)))))
|
||||
(define (binary op a b)
|
||||
(cond
|
||||
((eq? kt next-label)
|
||||
(op asm (slot a) (slot b) #t kf))
|
||||
(else
|
||||
(op asm (slot a) (slot b) #f kt)
|
||||
(unless (eq? kf next-label)
|
||||
(emit-br asm kf)))))
|
||||
(match exp
|
||||
(($ $var sym) (unary emit-br-if-true sym))
|
||||
(($ $primcall 'null? (a)) (unary emit-br-if-null a))
|
||||
(($ $primcall 'nil? (a)) (unary emit-br-if-nil a))
|
||||
(($ $primcall 'pair? (a)) (unary emit-br-if-pair a))
|
||||
(($ $primcall 'struct? (a)) (unary emit-br-if-struct a))
|
||||
(($ $primcall 'char? (a)) (unary emit-br-if-char a))
|
||||
(($ $primcall 'symbol? (a)) (unary emit-br-if-symbol a))
|
||||
(($ $primcall 'variable? (a)) (unary emit-br-if-variable a))
|
||||
(($ $primcall 'vector? (a)) (unary emit-br-if-vector a))
|
||||
(($ $primcall 'string? (a)) (unary emit-br-if-string a))
|
||||
(($ $primcall 'bytevector? (a)) (unary emit-br-if-bytevector a))
|
||||
;; Add more TC7 tests here. Keep in sync with
|
||||
;; *branching-primcall-arities* in (language cps primitives) and
|
||||
;; the set of macro-instructions in assembly.scm.
|
||||
(($ $primcall 'eq? (a b)) (binary emit-br-if-eq a b))
|
||||
(($ $primcall 'eqv? (a b)) (binary emit-br-if-eqv a b))
|
||||
(($ $primcall 'equal? (a b)) (binary emit-br-if-equal a b))
|
||||
(($ $primcall '< (a b)) (binary emit-br-if-< a b))
|
||||
(($ $primcall '<= (a b)) (binary emit-br-if-<= a b))
|
||||
(($ $primcall '= (a b)) (binary emit-br-if-= a b))
|
||||
(($ $primcall '>= (a b)) (binary emit-br-if-<= b a))
|
||||
(($ $primcall '> (a b)) (binary emit-br-if-< b a))))
|
||||
|
||||
(define (compile-trunc label exp nreq rest? nlocals)
|
||||
(match exp
|
||||
(($ $call proc args)
|
||||
(let ((proc-slot (lookup-call-proc-slot label allocation))
|
||||
(nargs (length args)))
|
||||
(or (maybe-load-constant proc-slot proc)
|
||||
(maybe-mov proc-slot (slot proc)))
|
||||
(let lp ((n (1+ proc-slot)) (args args))
|
||||
(match args
|
||||
(()
|
||||
(emit-call asm proc-slot (+ nargs 1))
|
||||
;; FIXME: Only allow more values if there is a rest arg.
|
||||
;; Express values truncation by the presence of an
|
||||
;; unused rest arg instead of implicitly.
|
||||
(emit-receive-values asm proc-slot #t nreq)
|
||||
(when rest?
|
||||
(emit-bind-rest asm (+ proc-slot 1 nreq)))
|
||||
(for-each (match-lambda
|
||||
((src . dst) (emit-mov asm dst src)))
|
||||
(lookup-parallel-moves label allocation))
|
||||
(emit-reset-frame asm nlocals))
|
||||
((arg . args)
|
||||
(or (maybe-load-constant n arg)
|
||||
(maybe-mov n (slot arg)))
|
||||
(lp (1+ n) args))))))))
|
||||
|
||||
(match f
|
||||
(($ $fun meta free ($ $cont k src ($ $kentry self tail clauses)))
|
||||
(compile-entry (or meta '()))))))))
|
||||
(match f
|
||||
(($ $fun src meta free ($ $cont k ($ $kentry self tail clauses)))
|
||||
;; FIXME: src on kentry instead?
|
||||
(when src
|
||||
(emit-source asm src))
|
||||
(compile-entry (or meta '()))))))
|
||||
|
||||
(define (visit-funs proc exp)
|
||||
(match exp
|
||||
(($ $continue _ exp)
|
||||
(($ $continue _ _ exp)
|
||||
(visit-funs proc exp))
|
||||
|
||||
(($ $fun meta free body)
|
||||
(($ $fun src meta free body)
|
||||
(proc exp)
|
||||
(visit-funs proc body))
|
||||
|
||||
|
|
@ -490,13 +482,13 @@
|
|||
(visit-funs proc body)
|
||||
(for-each (lambda (cont) (visit-funs proc cont)) conts))
|
||||
|
||||
(($ $cont sym src ($ $kargs names syms body))
|
||||
(($ $cont sym ($ $kargs names syms body))
|
||||
(visit-funs proc body))
|
||||
|
||||
(($ $cont sym src ($ $kclause arity body))
|
||||
(($ $cont sym ($ $kclause arity body))
|
||||
(visit-funs proc body))
|
||||
|
||||
(($ $cont sym src ($ $kentry self tail clauses))
|
||||
(($ $cont sym ($ $kentry self tail clauses))
|
||||
(for-each (lambda (clause) (visit-funs proc clause)) clauses))
|
||||
|
||||
(_ (values))))
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue