* The shortcut form is now two parts: a body and a handler. The
evaluation of the body can jump to the handler at any point during evaluation by means of using the interrupt primitive or by overflow.
This commit is contained in:
Abdulaziz Ghuloum
parent
819a3ca1c1
commit
d99c22e8c4
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@ -2992,3 +2992,23 @@ Words allocated: 7834358
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Words reclaimed: 0
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Elapsed time...: 420 ms (User: 399 ms; System: 21 ms)
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Elapsed GC time: 36 ms (CPU: 37 in 30 collections.)
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****************************
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Benchmarking Larceny-r6rs on Thu Feb 22 22:55:29 EST 2007 under Darwin 10-231-84-55.dhcp-bl.indiana.edu 8.8.3 Darwin Kernel Version 8.8.3: Wed Oct 18 21:57:10 PDT 2006; root:xnu-792.15.4.obj~4/RELEASE_I386 i386 i386
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Testing fib under Larceny-r6rs
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Compiling...
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Larceny v0.93 "Deviated Prevert" (Nov 10 2006 04:27:45, precise:BSD Unix:unified)
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>
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>
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Running...
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Larceny v0.93 "Deviated Prevert" (Nov 10 2006 04:27:45, precise:BSD Unix:unified)
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>
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Words allocated: 0
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Words reclaimed: 0
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Elapsed time...: 1801 ms (User: 1800 ms; System: 1 ms)
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Elapsed GC time: 0 ms (CPU: 0 in 0 collections.)
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BIN
src/ikarus.boot
BIN
src/ikarus.boot
Binary file not shown.
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@ -1538,9 +1538,13 @@
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[(constant i)
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(if (fixnum? i)
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(tbind ([b (Value b)])
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(make-shortcut^
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(tag-test b fixnum-mask fixnum-tag)
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(prm 'int+/overflow (Value a) b)
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(make-shortcut
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(make-seq
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(make-conditional
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(tag-test b fixnum-mask fixnum-tag)
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(make-primcall 'nop '())
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(make-primcall 'interrupt '()))
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(prm 'int+/overflow (Value a) b))
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(make-funcall (Value (make-primref '+))
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(list (Value a) b))))
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(make-funcall (Value (make-primref '+))
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@ -1550,19 +1554,27 @@
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[(constant i)
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(if (fixnum? i)
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(tbind ([a (Value a)])
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(make-shortcut^
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(tag-test a fixnum-mask fixnum-tag)
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(prm 'int+/overflow a (Value b))
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(make-shortcut
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(make-seq
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(make-conditional
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(tag-test a fixnum-mask fixnum-tag)
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(make-primcall 'nop '())
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(make-primcall 'interrupt '()))
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(prm 'int+/overflow a (Value b)))
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(make-funcall (Value (make-primref '+))
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(list a (Value b)))))
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(list a (Value b)))))
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(make-funcall (Value (make-primref '+))
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(list a (Value b))))]
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[else
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(tbind ([a (Value a)]
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[b (Value b)])
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(make-shortcut^
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(tag-test (prm 'logor a b) fixnum-mask fixnum-tag)
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(prm 'int+/overflow a b)
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(make-shortcut
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(make-seq
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(make-conditional
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(tag-test (prm 'logor a b) fixnum-mask fixnum-tag)
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(make-primcall 'nop '())
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(make-primcall 'interrupt '()))
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(prm 'int+/overflow a b))
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(make-funcall (Value (make-primref '+))
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(list a b))))])]))
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(cond
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@ -1591,9 +1603,13 @@
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[(constant i)
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(if (fixnum? i)
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(tbind ([b (Value b)])
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(make-shortcut^
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(tag-test b fixnum-mask fixnum-tag)
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(prm 'int-/overflow (Value a) b)
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(make-shortcut
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(make-seq
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(make-conditional
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(tag-test b fixnum-mask fixnum-tag)
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(make-primcall 'nop '())
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(make-primcall 'interrupt '()))
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(prm 'int-/overflow (Value a) b))
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(make-funcall (Value (make-primref '-))
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(list (Value a) b))))
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(make-funcall (Value (make-primref '-))
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@ -1603,19 +1619,27 @@
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[(constant i)
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(if (fixnum? i)
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(tbind ([a (Value a)])
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(make-shortcut^
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(tag-test a fixnum-mask fixnum-tag)
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(prm 'int-/overflow a (Value b))
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(make-shortcut
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(make-seq
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(make-conditional
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(tag-test a fixnum-mask fixnum-tag)
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(make-primcall 'nop '())
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(make-primcall 'interrupt '()))
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(prm 'int-/overflow a (Value b)))
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(make-funcall (Value (make-primref '-))
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(list a (Value b)))))
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(list a (Value b)))))
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(make-funcall (Value (make-primref '-))
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(list a (Value b))))]
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[else
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(tbind ([a (Value a)]
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[b (Value b)])
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(make-shortcut^
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(tag-test (prm 'logor a b) fixnum-mask fixnum-tag)
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(prm 'int-/overflow a b)
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(make-shortcut
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(make-seq
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(make-conditional
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(tag-test (prm 'logor a b) fixnum-mask fixnum-tag)
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(make-primcall 'nop '())
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(make-primcall 'interrupt '()))
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(prm 'int-/overflow a b))
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(make-funcall (Value (make-primref '-))
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(list a b))))])]))
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(cond
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@ -2144,10 +2168,10 @@
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(handle-nontail-call
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(make-constant (make-foreign-label op))
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rands d op)]
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[(shortcut^ test body handler)
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(make-shortcut^ (P test)
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[(shortcut body handler)
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(make-shortcut
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(V d body)
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(V d handler))]
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(V d handler))]
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[else
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(if (symbol? x)
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(make-set d x)
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@ -2181,7 +2205,7 @@
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(make-asm-instr op
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(make-disp (car s*) (cadr s*))
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(caddr s*))))]
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[(nop) x]
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[(nop interrupt) x]
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[else (error 'impose-effect "invalid instr ~s" x)])]
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[(funcall rator rands)
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(handle-nontail-call rator rands #f #f)]
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@ -2290,8 +2314,8 @@
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[(jmpcall label rator rands)
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(handle-tail-call (make-code-loc label) rator rands)]
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[(forcall) (VT x)]
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[(shortcut^ test body handler)
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(make-shortcut^ (P test) (Tail body) (Tail handler))]
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[(shortcut body handler)
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(make-shortcut (Tail body) (Tail handler))]
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[else (error who "invalid tail ~s" x)]))
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Tail)
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;;;
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@ -2458,10 +2482,10 @@
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[(asm-instr) #f]
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[(primcall op args)
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(case op
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[(nop) #f]
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[(interrupt nop) #f]
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[else (error who "invalid effect ~s" (unparse x))])]
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[(shortcut^ test body handler)
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(or (P test) (E body) (E handler))]
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[(shortcut body handler)
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(or (E body) (E handler))]
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[else (error who "invalid effect ~s" x)]))
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(define (P x)
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(record-case x
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@ -2478,8 +2502,8 @@
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[(conditional e0 e1 e2)
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(or (P e0) (T e1) (T e2))]
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[(primcall) #f]
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[(shortcut^ test body handler)
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(or (P test) (T body) (T handler))]
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[(shortcut body handler)
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(or (T body) (T handler))]
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[else (error who "invalid tail ~s" x)]))
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(T x))
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;;;
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@ -2816,20 +2840,20 @@
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[(primcall op args)
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(case op
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[(nop) (values vs rs fs ns)]
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[(interrupt)
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(let ([v (exception-live-set)])
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(unless (vector? v)
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(error who "unbound exception"))
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(values (vector-ref v 0)
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(vector-ref v 1)
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(vector-ref v 2)
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(vector-ref v 3)))]
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[else (error who "invalid effect op ~s" op)])]
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[(shortcut^ pred body handler)
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[(shortcut body handler)
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(let-values ([(vsh rsh fsh nsh) (E handler vs rs fs ns)])
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(let-values ([(vsb rsb fsb nsb)
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(parameterize ([exception-live-set
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(vector vsh rsh fsh nsh)])
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(E body vs rs fs ns))])
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(P pred
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vsb rsb fsb nsb
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vsh rsh fsh nsh
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(union-vars vsb vsh)
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(union-regs rsb rsh)
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(union-frms fsb fsh)
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(union-nfvs nsb nsh))))]
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(parameterize ([exception-live-set
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(vector vsh rsh fsh nsh)])
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(E body vs rs fs ns)))]
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[else (error who "invalid effect ~s" (unparse x))]))
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(define (P x vst rst fst nst
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vsf rsf fsf nsf
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@ -2887,19 +2911,11 @@
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(empty-frm-set)
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(empty-nfv-set))]
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[else (error who "invalid tail op ~s" x)])]
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[(shortcut^ pred body handler)
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[(shortcut body handler)
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(let-values ([(vsh rsh fsh nsh) (T handler)])
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(let-values ([(vsb rsb fsb nsb)
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(parameterize ([exception-live-set
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(vector vsh rsh fsh nsh)])
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(T body))])
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(P pred
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vsb rsb fsb nsb
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vsh rsh fsh nsh
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(union-vars vsb vsh)
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(union-regs rsb rsh)
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(union-frms fsb fsh)
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(union-nfvs nsb nsh))))]
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(parameterize ([exception-live-set
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(vector vsh rsh fsh nsh)])
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(T body)))]
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[else (error who "invalid tail ~s" x)]))
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(define exception-live-set
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(make-parameter #f))
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@ -3115,10 +3131,10 @@
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(NFE (fxsub1 i) (make-mask (fxsub1 i)) body)))]
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[(primcall op args)
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(case op
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[(nop) x]
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[(nop interrupt) x]
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[else (error who "invalid effect prim ~s" op)])]
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[(shortcut^ test body handler)
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(make-shortcut^ (P test) (E body) (E handler))]
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[(shortcut body handler)
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(make-shortcut (E body) (E handler))]
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[else (error who "invalid effect ~s" (unparse x))]))
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(define (P x)
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(record-case x
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@ -3138,8 +3154,8 @@
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[(conditional e0 e1 e2)
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(make-conditional (P e0) (T e1) (T e2))]
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[(primcall op args) x]
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[(shortcut^ test body handler)
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(make-shortcut^ (P test) (T body) (T handler))]
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[(shortcut body handler)
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(make-shortcut (T body) (T handler))]
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[else (error who "invalid tail ~s" (unparse x))]))
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(T x))
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;;;
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@ -3276,12 +3292,13 @@
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[(primcall op arg*)
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(case op
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[(nop) s]
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[(interrupt)
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(or (exception-live-set) (error who "uninitialized exception"))]
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[else (error who "invalid effect primcall ~s" op)])]
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[(shortcut^ test body handler)
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[(shortcut body handler)
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(let ([s2 (E handler s)])
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(let ([s1 (parameterize ([exception-live-set s2])
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(E body s))])
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(P test s1 s2 (set-union s1 s2))))]
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(parameterize ([exception-live-set s2])
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(E body s)))]
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[else (error who "invalid effect ~s" (unparse x))]))
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(define (P x st sf su)
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(record-case x
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@ -3302,11 +3319,10 @@
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[(primcall op rands)
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(R* rands)]
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[(seq e0 e1) (E e0 (T e1))]
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[(shortcut^ test body handler)
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[(shortcut body handler)
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(let ([s2 (T handler)])
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(let ([s1 (parameterize ([exception-live-set s2])
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(T body))])
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(P test s1 s2 (set-union s1 s2))))]
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(parameterize ([exception-live-set s2])
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(T body)))]
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[else (error who "invalid tail ~s" (unparse x))]))
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(define exception-live-set (make-parameter #f))
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(let ([s (T x)])
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@ -3418,8 +3434,8 @@
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[(primcall op rands)
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(make-primcall op (map R rands))]
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[(ntcall) x]
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[(shortcut^ test body handler)
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(make-shortcut^ (P test) (E body) (E handler))]
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[(shortcut body handler)
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(make-shortcut (E body) (E handler))]
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[else (error who "invalid effect ~s" (unparse x))]))
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(define (P x)
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(record-case x
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@ -3436,8 +3452,8 @@
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[(conditional e0 e1 e2)
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(make-conditional (P e0) (T e1) (T e2))]
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[(seq e0 e1) (make-seq (E e0) (T e1))]
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[(shortcut^ test body handler)
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(make-shortcut^ (P test) (T body) (T handler))]
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[(shortcut body handler)
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(make-shortcut (T body) (T handler))]
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[else (error who "invalid tail ~s" (unparse x))]))
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;(print-code x)
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(T x))
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@ -3582,16 +3598,12 @@
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[else (error who "invalid effect ~s" op)])]
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[(primcall op rands)
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(case op
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[(nop) x]
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[(record-effect)
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(S* rands
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(lambda (s*)
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(make-primcall op s*)))]
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[(nop interrupt) x]
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[else (error who "invalid op in ~s" (unparse x))])]
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[(ntcall) x]
|
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[(shortcut^ test body handler)
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[(shortcut body handler)
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(let ([body (E body)])
|
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(make-shortcut^ (P test) body (E handler)))]
|
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(make-shortcut body (E handler)))]
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[else (error who "invalid effect ~s" (unparse x))]))
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(define (P x)
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(record-case x
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|
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@ -3623,8 +3635,8 @@
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[(conditional e0 e1 e2)
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(make-conditional (P e0) (T e1) (T e2))]
|
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[(seq e0 e1) (make-seq (E e0) (T e1))]
|
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[(shortcut^ test body handler)
|
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(make-shortcut^ (P test) (T body) (T handler))]
|
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[(shortcut body handler)
|
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(make-shortcut (T body) (T handler))]
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[else (error who "invalid tail ~s" (unparse x))]))
|
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(let ([x (T x)])
|
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(values un* x)))
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|
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@ -3817,22 +3829,16 @@
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[(primcall op rands)
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(case op
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[(nop) ac]
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[(record-effect)
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(let ([a (car rands)])
|
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(unless (symbol? a)
|
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(error who "invalid arg to record-effect ~s" a))
|
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(list* `(shrl ,pageshift ,a)
|
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`(sall ,wordshift ,a)
|
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`(addl ,(pcb-ref 'dirty-vector) ,a)
|
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`(movl ,dirty-word (disp 0 ,a))
|
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ac))]
|
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[(interrupt)
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(let ([l (or (exception-label)
|
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(error who "no exception label"))])
|
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(cons `(jmp ,l) ac))]
|
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[else (error who "invalid effect ~s" (unparse x))])]
|
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[(shortcut^ test body handler)
|
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[(shortcut body handler)
|
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(let ([L (unique-label)] [L2 (unique-label)])
|
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(let ([ac (cons L (E handler (cons L2 ac)))])
|
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(let ([ac (parameterize ([exception-label L])
|
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(E body (cons `(jmp ,L2) ac)))])
|
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(P test #f L ac))))]
|
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(let ([ac (cons L (E handler (cons L2 ac)))])
|
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(parameterize ([exception-label L])
|
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(E body (cons `(jmp ,L2) ac)))))]
|
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[else (error who "invalid effect ~s" (unparse x))]))
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;;;
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(define (unique-label)
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|
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@ -3926,12 +3932,11 @@
|
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[(direct-jump)
|
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(cons `(jmp (label ,(code-loc-label (car rands)))) ac)]
|
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[else (error who "invalid tail ~s" x)])]
|
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[(shortcut^ test body handler)
|
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[(shortcut body handler)
|
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(let ([L (unique-label)])
|
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(let ([ac (cons L (T handler ac))])
|
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(let ([ac (parameterize ([exception-label L])
|
||||
(T body ac))])
|
||||
(P test #f L ac))))]
|
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(parameterize ([exception-label L])
|
||||
(T body ac))))]
|
||||
[else (error who "invalid tail ~s" x)]))
|
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(define exception-label (make-parameter #f))
|
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;;;
|
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|
|
|
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|
|
@ -256,7 +256,6 @@
|
|||
|
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|
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|
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(define-record shortcut^ (test body handler))
|
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(define-record shortcut (body handler))
|
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|
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(define-record fvar (idx))
|
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|
|
@ -483,10 +482,8 @@
|
|||
[(nframe vars live body) `(nframe ;[vars: ,(map E vars)]
|
||||
;[live: ,(map E live)]
|
||||
,(E body))]
|
||||
[(shortcut^ pred body handler)
|
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`(shortcut ,(E pred) ,(E body) ,(E handler))]
|
||||
[(shortcut body handler)
|
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`(exceptional ,(E body) ,(E handler))]
|
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`(shortcut ,(E body) ,(E handler))]
|
||||
[else
|
||||
(if (symbol? x)
|
||||
x
|
||||
|
|
|
|||
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Reference in New Issue