* Cleanup of some junk code in color-by-chaitin

This commit is contained in:
Abdulaziz Ghuloum 2007-06-06 01:16:34 +03:00
parent 1dc9e83448
commit feb9764645
2 changed files with 427 additions and 487 deletions

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@ -1319,49 +1319,17 @@
;;;
#|IntegerGraphs|#)
(module (assign-frame-sizes)
;;; assign-frame-sizes module
(define indent (make-parameter 0))
(module conflict-helpers
(empty-var-set rem-var add-var union-vars mem-var? for-each-var init-vars!
empty-nfv-set rem-nfv add-nfv union-nfvs mem-nfv? for-each-nfv init-nfv!
empty-frm-set rem-frm add-frm union-frms mem-frm?
empty-reg-set rem-reg add-reg union-regs mem-reg?
reg?)
(import IntegerSet)
(define (has-nontail-call? x)
(define who 'has-nontail-call?)
(define (E x)
(record-case x
[(seq e0 e1) (or (E e0) (E e1))]
[(conditional e0 e1 e2)
(or (P e0) (E e1) (E e2))]
[(nframe) #t]
[(asm-instr) #f]
[(primcall op args)
(case op
[(interrupt nop) #f]
[else (error who "invalid effect ~s" (unparse x))])]
[(shortcut body handler)
(or (E body) (E handler))]
[else (error who "invalid effect ~s" x)]))
(define (P x)
(record-case x
[(seq e0 e1) (or (E e0) (P e1))]
[(conditional e0 e1 e2)
(or (P e0) (P e1) (P e2))]
[(asm-instr) #f]
[(constant) #f]
[(shortcut body handler)
(or (P body) (P handler))]
[else (error who "invalid pred ~s" x)]))
(define (T x)
(record-case x
[(seq e0 e1)
(or (E e0) (T e1))]
[(conditional e0 e1 e2)
(or (P e0) (T e1) (T e2))]
[(primcall) #f]
[(shortcut body handler)
(or (T body) (T handler))]
[else (error who "invalid tail ~s" x)]))
(T x))
;;;
(begin
(define (add-frm x s) (set-add (fvar-idx x) s))
(define (rem-nfv x s)
(remq x s))
(define (init-var! x i)
(set-var-index! x i)
(set-var-var-move! x (empty-var-set))
@ -1394,7 +1362,6 @@
(define (mem-reg? x s) (set-member? (register-index x) s))
(define (union-regs s1 s2) (set-union s1 s2))
(define (empty-frm-set) (make-empty-set))
(define (add-frm x s) (set-add (fvar-idx x) s))
(define (mem-frm? x s) (set-member? (fvar-idx x) s))
(define (rem-frm x s) (set-rem (fvar-idx x) s))
(define (union-frms s1 s2) (set-union s1 s2))
@ -1403,8 +1370,6 @@
(cond
[(memq x s) s]
[else (cons x s)]))
(define (rem-nfv x s)
(remq x s))
(define (mem-nfv? x s)
(memq x s))
(define (union-nfvs s1 s2)
@ -1414,399 +1379,401 @@
[(memq (car s1) s2) (f (cdr s1) s2)]
[else (cons (car s1) (f (cdr s1) s2))])))
(define (for-each-nfv s f)
(for-each f s)))
;;;
(define (uncover-frame-conflicts x varvec)
(define who 'uncover-frame-conflicts)
(define spill-set (make-empty-set))
(define (mark-reg/vars-conf! r vs)
(for-each-var vs varvec
(lambda (v)
(set-var-reg-conf! v
(add-reg r (var-reg-conf v))))))
(define (mark-frm/vars-conf! f vs)
(for-each-var vs varvec
(lambda (v)
(set-var-frm-conf! v
(add-frm f (var-frm-conf v))))))
(define (mark-frm/nfvs-conf! f ns)
(for-each-nfv ns
(lambda (n)
(set-nfv-frm-conf! n
(add-frm f (nfv-frm-conf n))))))
(define (mark-var/vars-conf! v vs)
(for-each-var vs varvec
(lambda (w)
(set-var-var-conf! w
(add-var v (var-var-conf w)))))
(set-var-var-conf! v
(union-vars vs (var-var-conf v))))
(define (mark-var/frms-conf! v fs)
(set-var-frm-conf! v
(union-frms fs (var-frm-conf v))))
(define (mark-var/regs-conf! v rs)
(set-var-reg-conf! v
(union-regs rs (var-reg-conf v))))
(define (mark-var/nfvs-conf! v ns)
(for-each-nfv ns
(lambda (n)
(set-nfv-var-conf! n
(add-var v (nfv-var-conf n))))))
(define (mark-nfv/vars-conf! n vs)
(set-nfv-var-conf! n
(union-vars vs (nfv-var-conf n))))
(define (mark-nfv/frms-conf! n fs)
(set-nfv-frm-conf! n
(union-frms fs (nfv-frm-conf n))))
(define (mark-nfv/nfvs-conf! n ns)
(set-nfv-nfv-conf! n
(union-nfvs ns (nfv-nfv-conf n)))
(for-each-nfv ns
(lambda (m)
(set-nfv-nfv-conf! m
(add-nfv n (nfv-nfv-conf m))))))
(define (mark-var/var-move! x y)
(set-var-var-move! x
(add-var y (var-var-move x)))
(set-var-var-move! y
(add-var x (var-var-move y))))
(define (mark-var/frm-move! x y)
(set-var-frm-move! x
(add-frm y (var-frm-move x))))
(define (mark-var/reg-move! x y)
(set-var-reg-move! x
(add-reg y (var-reg-move x))))
(define (const? x)
(or (constant? x)
(code-loc? x)))
(define (R x vs rs fs ns)
(cond
[(const? x) (values vs rs fs ns)]
[(reg? x)
(values vs (add-reg x rs) fs ns)]
[(fvar? x)
(values vs rs (add-frm x fs) ns)]
[(var? x)
(values (add-var x vs) rs fs ns)]
[(nfv? x)
(values vs rs fs (add-nfv x ns))]
[(disp? x)
(let-values ([(vs rs fs ns) (R (disp-s0 x) vs rs fs ns)])
(R (disp-s1 x) vs rs fs ns))]
[else (error who "invalid R ~s" x)]))
(define (R* ls vs rs fs ns)
(cond
[(null? ls) (values vs rs fs ns)]
[else
(let-values ([(vs rs fs ns) (R (car ls) vs rs fs ns)])
(R* (cdr ls) vs rs fs ns))]))
(define (E x vs rs fs ns)
(record-case x
[(seq e0 e1)
(let-values ([(vs rs fs ns) (E e1 vs rs fs ns)])
(E e0 vs rs fs ns))]
[(conditional e0 e1 e2)
(let-values ([(vs1 rs1 fs1 ns1) (E e1 vs rs fs ns)]
[(vs2 rs2 fs2 ns2) (E e2 vs rs fs ns)])
(P e0
vs1 rs1 fs1 ns1
vs2 rs2 fs2 ns2
(union-vars vs1 vs2)
(union-regs rs1 rs2)
(union-frms fs1 fs2)
(union-nfvs ns1 ns2)))]
[(asm-instr op d s)
(case op
[(move)
(cond
[(reg? d)
(cond
[(not (mem-reg? d rs))
(set-asm-instr-op! x 'nop)
(values vs rs fs ns)]
[(or (const? s) (disp? s) (reg? s))
(let ([rs (rem-reg d rs)])
(mark-reg/vars-conf! d vs)
(R s vs rs fs ns))]
[(var? s)
(let ([rs (rem-reg d rs)]
[vs (rem-var s vs)])
(mark-var/reg-move! s d)
(mark-reg/vars-conf! d vs)
(values (add-var s vs) rs fs ns))]
[(fvar? s)
(let ([rs (rem-reg d rs)])
(mark-reg/vars-conf! d vs)
(values vs rs (add-frm s fs) ns))]
[else (error who "invalid rs ~s" (unparse x))])]
[(fvar? d)
(cond
[(not (mem-frm? d fs))
(set-asm-instr-op! x 'nop)
(values vs rs fs ns)]
[(or (const? s) (disp? s) (reg? s))
(let ([fs (rem-frm d fs)])
(mark-frm/vars-conf! d vs)
(mark-frm/nfvs-conf! d ns)
(R s vs rs fs ns))]
[(var? s)
(let ([fs (rem-frm d fs)]
[vs (rem-var s vs)])
(mark-var/frm-move! s d)
(mark-frm/vars-conf! d vs)
(mark-frm/nfvs-conf! d ns)
(values (add-var s vs) rs fs ns))]
[else (error who "invalid fs ~s" s)])]
[(var? d)
(cond
[(not (mem-var? d vs))
(set-asm-instr-op! x 'nop)
(values vs rs fs ns)]
[(or (disp? s) (constant? s))
(let ([vs (rem-var d vs)])
(mark-var/vars-conf! d vs)
(mark-var/frms-conf! d fs)
(mark-var/regs-conf! d rs)
(mark-var/nfvs-conf! d ns)
(R s vs rs fs ns))]
[(reg? s)
(let ([vs (rem-var d vs)]
[rs (rem-reg s rs)])
(mark-var/reg-move! d s)
(mark-var/vars-conf! d vs)
(mark-var/frms-conf! d fs)
(mark-var/regs-conf! d rs)
(mark-var/nfvs-conf! d ns)
(values vs (add-reg s rs) fs ns))]
[(var? s)
(let ([vs (rem-var d (rem-var s vs))])
(mark-var/var-move! d s)
(mark-var/vars-conf! d vs)
(mark-var/frms-conf! d fs)
(mark-var/regs-conf! d rs)
(mark-var/nfvs-conf! d ns)
(values (add-var s vs) rs fs ns))]
[(fvar? s)
(let ([vs (rem-var d vs)]
[fs (rem-frm s fs)])
(mark-var/frm-move! d s)
(mark-var/vars-conf! d vs)
(mark-var/frms-conf! d fs)
(mark-var/regs-conf! d rs)
(mark-var/nfvs-conf! d ns)
(values vs rs (add-frm s fs) ns))]
[else (error who "invalid vs ~s" s)])]
[(nfv? d)
(cond
[(not (mem-nfv? d ns)) (error who "dead nfv")]
[(or (disp? s) (constant? s) (reg? s))
(let ([ns (rem-nfv d ns)])
(mark-nfv/vars-conf! d vs)
(mark-nfv/frms-conf! d fs)
(R s vs rs fs ns))]
[(var? s)
(let ([ns (rem-nfv d ns)]
[vs (rem-var s vs)])
(mark-nfv/vars-conf! d vs)
(mark-nfv/frms-conf! d fs)
(values (add-var s vs) rs fs ns))]
[(fvar? s)
(let ([ns (rem-nfv d ns)]
[fs (rem-frm s fs)])
(mark-nfv/vars-conf! d vs)
(mark-nfv/frms-conf! d fs)
(values vs rs (add-frm s fs) ns))]
[else (error who "invalid ns ~s" s)])]
[else (error who "invalid d ~s" d)])]
[(int-/overflow int+/overflow int*/overflow)
(let ([v (exception-live-set)])
(unless (vector? v)
(error who "unbound exception"))
(let ([vs (union-vars vs (vector-ref v 0))]
[rs (union-regs rs (vector-ref v 1))]
[fs (union-frms fs (vector-ref v 2))]
[ns (union-nfvs ns (vector-ref v 3))])
(cond
[(var? d)
(cond
[(not (mem-var? d vs))
(set-asm-instr-op! x 'nop)
(values vs rs fs ns)]
[else
(let ([vs (rem-var d vs)])
(mark-var/vars-conf! d vs)
(mark-var/frms-conf! d fs)
(mark-var/nfvs-conf! d ns)
(mark-var/regs-conf! d rs)
(R s (add-var d vs) rs fs ns))])]
[(reg? d)
(cond
[(not (mem-reg? d rs))
(values vs rs fs ns)]
[else
(let ([rs (rem-reg d rs)])
(mark-reg/vars-conf! d vs)
(R s vs (add-reg d rs) fs ns))])]
[(nfv? d)
(cond
[(not (mem-nfv? d ns)) (error who "dead nfv")]
[else
(let ([ns (rem-nfv d ns)])
(mark-nfv/vars-conf! d vs)
(mark-nfv/frms-conf! d fs)
(R s vs rs fs (add-nfv d ns)))])]
[else (error who "invalid op d ~s" (unparse x))])))]
[(logand logor logxor sll sra srl int+ int- int*)
(cond
[(var? d)
(cond
[(not (mem-var? d vs))
(set-asm-instr-op! x 'nop)
(values vs rs fs ns)]
[else
(let ([vs (rem-var d vs)])
(mark-var/vars-conf! d vs)
(mark-var/frms-conf! d fs)
(mark-var/nfvs-conf! d ns)
(mark-var/regs-conf! d rs)
(R s (add-var d vs) rs fs ns))])]
[(reg? d)
(cond
[(not (mem-reg? d rs))
(values vs rs fs ns)]
[else
(let ([rs (rem-reg d rs)])
(mark-reg/vars-conf! d vs)
(R s vs (add-reg d rs) fs ns))])]
[(nfv? d)
(cond
[(not (mem-nfv? d ns)) (error who "dead nfv")]
[else
(let ([ns (rem-nfv d ns)])
(mark-nfv/vars-conf! d vs)
(mark-nfv/frms-conf! d fs)
(R s vs rs fs (add-nfv d ns)))])]
[else (error who "invalid op d ~s" (unparse x))])]
[(idiv)
(mark-reg/vars-conf! eax vs)
(mark-reg/vars-conf! edx vs)
(R s vs (add-reg eax (add-reg edx rs)) fs ns)]
[(cltd)
(mark-reg/vars-conf! edx vs)
(R s vs (rem-reg edx rs) fs ns)]
[(mset bset/c bset/h)
(R* (list s d) vs rs fs ns)]
[else (error who "invalid effect op ~s" (unparse x))])]
[(ntcall target value args mask size)
(set! spill-set (union-vars vs spill-set))
(for-each-var vs varvec (lambda (x) (set-var-loc! x #t)))
(R* args vs (empty-reg-set) fs ns)]
[(nframe nfvs live body)
(for-each init-nfv! nfvs)
(set-nframe-live! x (vector vs fs ns))
(E body vs rs fs ns)]
[(primcall op args)
(case op
[(nop) (values vs rs fs ns)]
[(interrupt)
(let ([v (exception-live-set)])
(unless (vector? v)
(error who "unbound exception"))
(values (vector-ref v 0)
(vector-ref v 1)
(vector-ref v 2)
(vector-ref v 3)))]
[else (error who "invalid effect op ~s" op)])]
[(shortcut body handler)
(let-values ([(vsh rsh fsh nsh) (E handler vs rs fs ns)])
(parameterize ([exception-live-set
(vector vsh rsh fsh nsh)])
(E body vs rs fs ns)))]
[else (error who "invalid effect ~s" (unparse x))]))
(define (P x vst rst fst nst
vsf rsf fsf nsf
vsu rsu fsu nsu)
(record-case x
[(seq e0 e1)
(let-values ([(vs rs fs ns)
(P e1 vst rst fst nst
vsf rsf fsf nsf
vsu rsu fsu nsu)])
(E e0 vs rs fs ns))]
[(conditional e0 e1 e2)
(let-values ([(vs1 rs1 fs1 ns1)
(P e1 vst rst fst nst
vsf rsf fsf nsf
vsu rsu fsu nsu)]
[(vs2 rs2 fs2 ns2)
(P e2 vst rst fst nst
vsf rsf fsf nsf
vsu rsu fsu nsu)])
(P e0
vs1 rs1 fs1 ns1
vs2 rs2 fs2 ns2
(union-vars vs1 vs2)
(union-regs rs1 rs2)
(union-frms fs1 fs2)
(union-nfvs ns1 ns2)))]
[(constant t)
(if t
(values vst rst fst nst)
(values vsf rsf fsf nsf))]
[(asm-instr op d s)
(R* (list d s) vsu rsu fsu nsu)]
[(shortcut body handler)
(let-values ([(vsh rsh fsh nsh)
(P handler vst rst fst nst
vsf rsf fsf nsf
vsu rsu fsu nsu)])
(parameterize ([exception-live-set
(vector vsh rsh fsh nsh)])
(P body vst rst fst nst
vsf rsf fsf nsf
vsu rsu fsu nsu)))]
[else (error who "invalid pred ~s" (unparse x))]))
(define (T x)
(record-case x
[(seq e0 e1)
(let-values ([(vs rs fs ns) (T e1)])
(E e0 vs rs fs ns))]
[(conditional e0 e1 e2)
(let-values ([(vs1 rs1 fs1 ns1) (T e1)]
[(vs2 rs2 fs2 ns2) (T e2)])
(P e0
vs1 rs1 fs1 ns1
vs2 rs2 fs2 ns2
(union-vars vs1 vs2)
(union-regs rs1 rs2)
(union-frms fs1 fs2)
(union-nfvs ns1 ns2)))]
[(primcall op arg*)
(case op
[(return indirect-jump direct-jump)
(R* arg* (empty-var-set)
(empty-reg-set)
(empty-frm-set)
(empty-nfv-set))]
[else (error who "invalid tail op ~s" x)])]
[(shortcut body handler)
(let-values ([(vsh rsh fsh nsh) (T handler)])
(parameterize ([exception-live-set
(vector vsh rsh fsh nsh)])
(T body)))]
[else (error who "invalid tail ~s" x)]))
(define exception-live-set
(make-parameter #f))
(T x)
spill-set)
(define-syntax frm-loc
(syntax-rules ()
[(_ x)
(let ([t x])
(if (fvar? t)
(fvar-idx t)
(error 'frm-loc "in ~s ~s" (unparse t) '(frm-loc x))))]))
;;;
(for-each f s))))
(define (uncover-frame-conflicts x varvec)
(import IntegerSet)
(import conflict-helpers)
(define who 'uncover-frame-conflicts)
(define spill-set (make-empty-set))
(define (mark-reg/vars-conf! r vs)
(for-each-var vs varvec
(lambda (v)
(set-var-reg-conf! v
(add-reg r (var-reg-conf v))))))
(define (mark-frm/vars-conf! f vs)
(for-each-var vs varvec
(lambda (v)
(set-var-frm-conf! v
(add-frm f (var-frm-conf v))))))
(define (mark-frm/nfvs-conf! f ns)
(for-each-nfv ns
(lambda (n)
(set-nfv-frm-conf! n
(add-frm f (nfv-frm-conf n))))))
(define (mark-var/vars-conf! v vs)
(for-each-var vs varvec
(lambda (w)
(set-var-var-conf! w
(add-var v (var-var-conf w)))))
(set-var-var-conf! v
(union-vars vs (var-var-conf v))))
(define (mark-var/frms-conf! v fs)
(set-var-frm-conf! v
(union-frms fs (var-frm-conf v))))
(define (mark-var/regs-conf! v rs)
(set-var-reg-conf! v
(union-regs rs (var-reg-conf v))))
(define (mark-var/nfvs-conf! v ns)
(for-each-nfv ns
(lambda (n)
(set-nfv-var-conf! n
(add-var v (nfv-var-conf n))))))
(define (mark-nfv/vars-conf! n vs)
(set-nfv-var-conf! n
(union-vars vs (nfv-var-conf n))))
(define (mark-nfv/frms-conf! n fs)
(set-nfv-frm-conf! n
(union-frms fs (nfv-frm-conf n))))
(define (mark-nfv/nfvs-conf! n ns)
(set-nfv-nfv-conf! n
(union-nfvs ns (nfv-nfv-conf n)))
(for-each-nfv ns
(lambda (m)
(set-nfv-nfv-conf! m
(add-nfv n (nfv-nfv-conf m))))))
(define (mark-var/var-move! x y)
(set-var-var-move! x
(add-var y (var-var-move x)))
(set-var-var-move! y
(add-var x (var-var-move y))))
(define (mark-var/frm-move! x y)
(set-var-frm-move! x
(add-frm y (var-frm-move x))))
(define (mark-var/reg-move! x y)
(set-var-reg-move! x
(add-reg y (var-reg-move x))))
(define (const? x)
(or (constant? x)
(code-loc? x)))
(define (R x vs rs fs ns)
(cond
[(const? x) (values vs rs fs ns)]
[(reg? x)
(values vs (add-reg x rs) fs ns)]
[(fvar? x)
(values vs rs (add-frm x fs) ns)]
[(var? x)
(values (add-var x vs) rs fs ns)]
[(nfv? x)
(values vs rs fs (add-nfv x ns))]
[(disp? x)
(let-values ([(vs rs fs ns) (R (disp-s0 x) vs rs fs ns)])
(R (disp-s1 x) vs rs fs ns))]
[else (error who "invalid R ~s" x)]))
(define (R* ls vs rs fs ns)
(cond
[(null? ls) (values vs rs fs ns)]
[else
(let-values ([(vs rs fs ns) (R (car ls) vs rs fs ns)])
(R* (cdr ls) vs rs fs ns))]))
(define (E x vs rs fs ns)
(record-case x
[(seq e0 e1)
(let-values ([(vs rs fs ns) (E e1 vs rs fs ns)])
(E e0 vs rs fs ns))]
[(conditional e0 e1 e2)
(let-values ([(vs1 rs1 fs1 ns1) (E e1 vs rs fs ns)]
[(vs2 rs2 fs2 ns2) (E e2 vs rs fs ns)])
(P e0
vs1 rs1 fs1 ns1
vs2 rs2 fs2 ns2
(union-vars vs1 vs2)
(union-regs rs1 rs2)
(union-frms fs1 fs2)
(union-nfvs ns1 ns2)))]
[(asm-instr op d s)
(case op
[(move)
(cond
[(reg? d)
(cond
[(not (mem-reg? d rs))
(set-asm-instr-op! x 'nop)
(values vs rs fs ns)]
[(or (const? s) (disp? s) (reg? s))
(let ([rs (rem-reg d rs)])
(mark-reg/vars-conf! d vs)
(R s vs rs fs ns))]
[(var? s)
(let ([rs (rem-reg d rs)]
[vs (rem-var s vs)])
(mark-var/reg-move! s d)
(mark-reg/vars-conf! d vs)
(values (add-var s vs) rs fs ns))]
[(fvar? s)
(let ([rs (rem-reg d rs)])
(mark-reg/vars-conf! d vs)
(values vs rs (add-frm s fs) ns))]
[else (error who "invalid rs ~s" (unparse x))])]
[(fvar? d)
(cond
[(not (mem-frm? d fs))
(set-asm-instr-op! x 'nop)
(values vs rs fs ns)]
[(or (const? s) (disp? s) (reg? s))
(let ([fs (rem-frm d fs)])
(mark-frm/vars-conf! d vs)
(mark-frm/nfvs-conf! d ns)
(R s vs rs fs ns))]
[(var? s)
(let ([fs (rem-frm d fs)]
[vs (rem-var s vs)])
(mark-var/frm-move! s d)
(mark-frm/vars-conf! d vs)
(mark-frm/nfvs-conf! d ns)
(values (add-var s vs) rs fs ns))]
[else (error who "invalid fs ~s" s)])]
[(var? d)
(cond
[(not (mem-var? d vs))
(set-asm-instr-op! x 'nop)
(values vs rs fs ns)]
[(or (disp? s) (constant? s))
(let ([vs (rem-var d vs)])
(mark-var/vars-conf! d vs)
(mark-var/frms-conf! d fs)
(mark-var/regs-conf! d rs)
(mark-var/nfvs-conf! d ns)
(R s vs rs fs ns))]
[(reg? s)
(let ([vs (rem-var d vs)]
[rs (rem-reg s rs)])
(mark-var/reg-move! d s)
(mark-var/vars-conf! d vs)
(mark-var/frms-conf! d fs)
(mark-var/regs-conf! d rs)
(mark-var/nfvs-conf! d ns)
(values vs (add-reg s rs) fs ns))]
[(var? s)
(let ([vs (rem-var d (rem-var s vs))])
(mark-var/var-move! d s)
(mark-var/vars-conf! d vs)
(mark-var/frms-conf! d fs)
(mark-var/regs-conf! d rs)
(mark-var/nfvs-conf! d ns)
(values (add-var s vs) rs fs ns))]
[(fvar? s)
(let ([vs (rem-var d vs)]
[fs (rem-frm s fs)])
(mark-var/frm-move! d s)
(mark-var/vars-conf! d vs)
(mark-var/frms-conf! d fs)
(mark-var/regs-conf! d rs)
(mark-var/nfvs-conf! d ns)
(values vs rs (add-frm s fs) ns))]
[else (error who "invalid vs ~s" s)])]
[(nfv? d)
(cond
[(not (mem-nfv? d ns)) (error who "dead nfv")]
[(or (disp? s) (constant? s) (reg? s))
(let ([ns (rem-nfv d ns)])
(mark-nfv/vars-conf! d vs)
(mark-nfv/frms-conf! d fs)
(R s vs rs fs ns))]
[(var? s)
(let ([ns (rem-nfv d ns)]
[vs (rem-var s vs)])
(mark-nfv/vars-conf! d vs)
(mark-nfv/frms-conf! d fs)
(values (add-var s vs) rs fs ns))]
[(fvar? s)
(let ([ns (rem-nfv d ns)]
[fs (rem-frm s fs)])
(mark-nfv/vars-conf! d vs)
(mark-nfv/frms-conf! d fs)
(values vs rs (add-frm s fs) ns))]
[else (error who "invalid ns ~s" s)])]
[else (error who "invalid d ~s" d)])]
[(int-/overflow int+/overflow int*/overflow)
(let ([v (exception-live-set)])
(unless (vector? v)
(error who "unbound exception"))
(let ([vs (union-vars vs (vector-ref v 0))]
[rs (union-regs rs (vector-ref v 1))]
[fs (union-frms fs (vector-ref v 2))]
[ns (union-nfvs ns (vector-ref v 3))])
(cond
[(var? d)
(cond
[(not (mem-var? d vs))
(set-asm-instr-op! x 'nop)
(values vs rs fs ns)]
[else
(let ([vs (rem-var d vs)])
(mark-var/vars-conf! d vs)
(mark-var/frms-conf! d fs)
(mark-var/nfvs-conf! d ns)
(mark-var/regs-conf! d rs)
(R s (add-var d vs) rs fs ns))])]
[(reg? d)
(cond
[(not (mem-reg? d rs))
(values vs rs fs ns)]
[else
(let ([rs (rem-reg d rs)])
(mark-reg/vars-conf! d vs)
(R s vs (add-reg d rs) fs ns))])]
[(nfv? d)
(cond
[(not (mem-nfv? d ns)) (error who "dead nfv")]
[else
(let ([ns (rem-nfv d ns)])
(mark-nfv/vars-conf! d vs)
(mark-nfv/frms-conf! d fs)
(R s vs rs fs (add-nfv d ns)))])]
[else (error who "invalid op d ~s" (unparse x))])))]
[(logand logor logxor sll sra srl int+ int- int*)
(cond
[(var? d)
(cond
[(not (mem-var? d vs))
(set-asm-instr-op! x 'nop)
(values vs rs fs ns)]
[else
(let ([vs (rem-var d vs)])
(mark-var/vars-conf! d vs)
(mark-var/frms-conf! d fs)
(mark-var/nfvs-conf! d ns)
(mark-var/regs-conf! d rs)
(R s (add-var d vs) rs fs ns))])]
[(reg? d)
(cond
[(not (mem-reg? d rs))
(values vs rs fs ns)]
[else
(let ([rs (rem-reg d rs)])
(mark-reg/vars-conf! d vs)
(R s vs (add-reg d rs) fs ns))])]
[(nfv? d)
(cond
[(not (mem-nfv? d ns)) (error who "dead nfv")]
[else
(let ([ns (rem-nfv d ns)])
(mark-nfv/vars-conf! d vs)
(mark-nfv/frms-conf! d fs)
(R s vs rs fs (add-nfv d ns)))])]
[else (error who "invalid op d ~s" (unparse x))])]
[(idiv)
(mark-reg/vars-conf! eax vs)
(mark-reg/vars-conf! edx vs)
(R s vs (add-reg eax (add-reg edx rs)) fs ns)]
[(cltd)
(mark-reg/vars-conf! edx vs)
(R s vs (rem-reg edx rs) fs ns)]
[(mset bset/c bset/h)
(R* (list s d) vs rs fs ns)]
[else (error who "invalid effect op ~s" (unparse x))])]
[(ntcall target value args mask size)
(set! spill-set (union-vars vs spill-set))
(for-each-var vs varvec (lambda (x) (set-var-loc! x #t)))
(R* args vs (empty-reg-set) fs ns)]
[(nframe nfvs live body)
(for-each init-nfv! nfvs)
(set-nframe-live! x (vector vs fs ns))
(E body vs rs fs ns)]
[(primcall op args)
(case op
[(nop) (values vs rs fs ns)]
[(interrupt)
(let ([v (exception-live-set)])
(unless (vector? v)
(error who "unbound exception"))
(values (vector-ref v 0)
(vector-ref v 1)
(vector-ref v 2)
(vector-ref v 3)))]
[else (error who "invalid effect op ~s" op)])]
[(shortcut body handler)
(let-values ([(vsh rsh fsh nsh) (E handler vs rs fs ns)])
(parameterize ([exception-live-set
(vector vsh rsh fsh nsh)])
(E body vs rs fs ns)))]
[else (error who "invalid effect ~s" (unparse x))]))
(define (P x vst rst fst nst
vsf rsf fsf nsf
vsu rsu fsu nsu)
(record-case x
[(seq e0 e1)
(let-values ([(vs rs fs ns)
(P e1 vst rst fst nst
vsf rsf fsf nsf
vsu rsu fsu nsu)])
(E e0 vs rs fs ns))]
[(conditional e0 e1 e2)
(let-values ([(vs1 rs1 fs1 ns1)
(P e1 vst rst fst nst
vsf rsf fsf nsf
vsu rsu fsu nsu)]
[(vs2 rs2 fs2 ns2)
(P e2 vst rst fst nst
vsf rsf fsf nsf
vsu rsu fsu nsu)])
(P e0
vs1 rs1 fs1 ns1
vs2 rs2 fs2 ns2
(union-vars vs1 vs2)
(union-regs rs1 rs2)
(union-frms fs1 fs2)
(union-nfvs ns1 ns2)))]
[(constant t)
(if t
(values vst rst fst nst)
(values vsf rsf fsf nsf))]
[(asm-instr op d s)
(R* (list d s) vsu rsu fsu nsu)]
[(shortcut body handler)
(let-values ([(vsh rsh fsh nsh)
(P handler vst rst fst nst
vsf rsf fsf nsf
vsu rsu fsu nsu)])
(parameterize ([exception-live-set
(vector vsh rsh fsh nsh)])
(P body vst rst fst nst
vsf rsf fsf nsf
vsu rsu fsu nsu)))]
[else (error who "invalid pred ~s" (unparse x))]))
(define (T x)
(record-case x
[(seq e0 e1)
(let-values ([(vs rs fs ns) (T e1)])
(E e0 vs rs fs ns))]
[(conditional e0 e1 e2)
(let-values ([(vs1 rs1 fs1 ns1) (T e1)]
[(vs2 rs2 fs2 ns2) (T e2)])
(P e0
vs1 rs1 fs1 ns1
vs2 rs2 fs2 ns2
(union-vars vs1 vs2)
(union-regs rs1 rs2)
(union-frms fs1 fs2)
(union-nfvs ns1 ns2)))]
[(primcall op arg*)
(case op
[(return indirect-jump direct-jump)
(R* arg* (empty-var-set)
(empty-reg-set)
(empty-frm-set)
(empty-nfv-set))]
[else (error who "invalid tail op ~s" x)])]
[(shortcut body handler)
(let-values ([(vsh rsh fsh nsh) (T handler)])
(parameterize ([exception-live-set
(vector vsh rsh fsh nsh)])
(T body)))]
[else (error who "invalid tail ~s" x)]))
(define exception-live-set
(make-parameter #f))
(T x)
spill-set)
(module (assign-frame-sizes)
;;; assign-frame-sizes module
(define indent (make-parameter 0))
(import IntegerSet)
(import conflict-helpers)
(define (rewrite x varvec)
(define who 'rewrite)
(define (assign x)
@ -1924,13 +1891,13 @@
[else
(let ([loc (nfv-loc (car ls))])
(unless (fvar? loc) (error 'max-nfv "not assigned"))
(max-nfv (cdr ls) (max i (frm-loc loc))))]))
(max-nfv (cdr ls) (max i (fvar-idx loc))))]))
(define (actual-frame-size vars i)
(define (var-conflict? i vs)
(ormap (lambda (xi)
(let ([loc (var-loc (vector-ref varvec xi))])
(and (fvar? loc)
(fx= i (frm-loc loc)))))
(fx= i (fvar-idx loc)))))
(set->list vs)))
(define (frame-size-ok? i vars)
(or (null? vars)
@ -1955,7 +1922,7 @@
(let ([loc (nfv-loc x)])
(cond
[loc
(when (fx= (frm-loc loc) i)
(when (fx= (fvar-idx loc) i)
(error who "invalid assignment"))]
[else
(set-nfv-nfv-conf! x
@ -1968,7 +1935,7 @@
(let ([loc (var-loc x)])
(cond
[(fvar? loc)
(when (fx= (frm-loc loc) i)
(when (fx= (fvar-idx loc) i)
(error who "invalid assignment"))]
[else
(set-var-frm-conf! x
@ -2030,21 +1997,17 @@
(define (Main x)
(record-case x
[(locals vars body)
(cond
[(has-nontail-call? body)
(init-vars! vars)
(let ([v (list->vector vars)])
(let ([call-live* (uncover-frame-conflicts body v)])
(let ([body (rewrite body v)])
(make-locals
(let f ([vars vars])
(cond
[(null? vars) '()]
[(var-loc (car vars)) (f (cdr vars))]
[else (cons (car vars) (f (cdr vars)))]))
body))))]
[else
(make-locals vars body)])]
(init-vars! vars)
(let ([v (list->vector vars)])
(let ([call-live* (uncover-frame-conflicts body v)])
(let ([body (rewrite body v)])
(make-locals
(let f ([vars vars])
(cond
[(null? vars) '()]
[(var-loc (car vars)) (f (cdr vars))]
[else (cons (car vars) (f (cdr vars)))]))
body))))]
[else (error 'assign-frame-sizes "invalid main ~s" x)]))
;;;
(define (ClambdaCase x)
@ -2090,7 +2053,6 @@
[(constant) (make-empty-set)]
[(var) (list->set (list x))]
[(disp s0 s1) (set-union (R s0) (R s1))]
[(nfv) (list->set (list x))]
[(fvar) (list->set (if (reg? x) (list x) '()))]
[(code-loc) (make-empty-set)]
[else
@ -2104,40 +2066,18 @@
(case op
[(move)
(let ([s (set-rem d s)])
(record-case d
[(nfv c i)
(if (list? c)
(set-nfv-conf! d
(set-union c s))
(set-nfv-conf! d s))
(set-union (R v) s)]
[else
(set-for-each (lambda (y) (add-edge! g d y)) s)
(set-union (R v) s)]))]
(set-for-each (lambda (y) (add-edge! g d y)) s)
(set-union (R v) s))]
[(int-/overflow int+/overflow int*/overflow)
(unless (exception-live-set)
(error who "uninitialized live set"))
(let ([s (set-rem d (set-union s (exception-live-set)))])
(record-case d
[(nfv c i)
(if (list? c)
(set-nfv-conf! d (set-union c s))
(set-nfv-conf! d s))
(set-union (set-union (R v) (R d)) s)]
[else
(set-for-each (lambda (y) (add-edge! g d y)) s)
(set-union (set-union (R v) (R d)) s)]))]
(set-for-each (lambda (y) (add-edge! g d y)) s)
(set-union (set-union (R v) (R d)) s))]
[(logand logxor int+ int- int* logor sll sra srl)
(let ([s (set-rem d s)])
(record-case d
[(nfv c i)
(if (list? c)
(set-nfv-conf! d (set-union c s))
(set-nfv-conf! d s))
(set-union (set-union (R v) (R d)) s)]
[else
(set-for-each (lambda (y) (add-edge! g d y)) s)
(set-union (set-union (R v) (R d)) s)]))]
(set-for-each (lambda (y) (add-edge! g d y)) s)
(set-union (set-union (R v) (R d)) s))]
[(bset/c)
(set-union (set-union (R v) (R d)) s)]
[(bset/h)
@ -3003,9 +2943,9 @@
;[foo (printf "4")]
[x (impose-calling-convention/evaluation-order x)]
;[foo (printf "5")]
[x (assign-frame-sizes x)]
[x (time-it "frame" (lambda () (assign-frame-sizes x)))]
;[foo (printf "6")]
[x (color-by-chaitin x)]
[x (time-it "register" (lambda () (color-by-chaitin x)))]
;[foo (printf "7")]
[ls (flatten-codes x)]
;[foo (printf "8")]