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* altcogen passes 1.8

This commit is contained in:
Abdulaziz Ghuloum 2007-02-11 18:06:04 -05:00
parent c44caba238
commit 6fd790b046
2 changed files with 31 additions and 14 deletions
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src/ikarus.boot
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src/libaltcogen.ss
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@ -807,11 +807,17 @@
(cond
[(or (var? rhs) (reg? rhs))
(let ([s (set-rem rhs (set-rem lhs s))])
(for-each (lambda (x) (add-edge! g lhs x)) s)
(for-each (lambda (x)
(when (or (var? x) (reg? x))
(add-edge! g lhs x)))
s)
(cons rhs s))]
[else
(let ([s (set-rem lhs s)])
(for-each (lambda (x) (add-edge! g lhs x)) s)
(for-each (lambda (x)
(when (or (var? x) (reg? x))
(add-edge! g lhs x)))
s)
(Rhs rhs s))])]
[(nfvar? lhs)
(let ([s (set-rem lhs s)])
@ -910,9 +916,9 @@
(values spills (cons sp sp*)
(cons (cons sp r) env))
(values (cons sp spills) sp* env))))))]
[else (error color-graph "whoaaa")]))
[else (error 'color-graph "whoaaa")]))
;;;
(define (substitute env x)
(define (substitute env x frm-graph)
(define who 'substitute)
(define (max-live vars i)
(cond
@ -943,7 +949,14 @@
[else (actual-frame-size vars (fxadd1 i))]))
(define (assign-frame-vars! vars i)
(unless (null? vars)
(set-nfvar-loc! (car vars) (mkfvar i))
(let ([v (car vars)]
[fv (mkfvar i)])
(set-nfvar-loc! v fv)
(for-each
(lambda (x)
(when (var? x)
(add-edge! frm-graph x fv)))
(nfvar-conf v)))
(assign-frame-vars! (cdr vars) (fxadd1 i))))
(define (Var x)
(cond
@ -1120,12 +1133,13 @@
(let ([g (build-graph body symbol?)])
; (printf "loop:\n")
; (print-code body)
;(print-graph g)
(let-values ([(spills sp* env) (color-graph sp* un* g)])
(cond
[(null? spills) (substitute env body)]
[(null? spills) (substitute env body frame-g)]
[else
(let* ([env (do-spill spills frame-g)]
[body (substitute env body)])
[body (substitute env body frame-g)])
(let-values ([(un* body)
(add-unspillables un* body)])
(loop sp* un* body)))])))))]))
@ -1186,6 +1200,8 @@
(record-case x
[(constant c)
(cons `(movl ,(Rand x) ,d) ac)]
[(fvar i)
(cons `(movl ,(FVar i) ,d) ac)]
[(primcall op rands)
(case op
[(mref)
@ -1360,13 +1376,14 @@
[x (color-by-chaitin x)]
;[foo (print-code x)]
[ls (flatten-codes x)])
(when #f
(parameterize ([gensym-prefix "L"]
[print-gensym #f])
(for-each
(lambda (ls)
(newline)
(for-each (lambda (x) (printf " ~s\n" x)) ls))
ls))
ls)))
ls))
#|module alt-cogen|#)