(progn (if (ldb-test (byte 0 0) (rational (throw 'ct7 0))) 0 0) 0))))
0 0))))
391833530 -32785211)))
+
+;;; efficiency notes for ordinary code
+(macrolet ((frob (arglist &body body)
+ `(progn
+ (handler-case
+ (compile nil '(lambda ,arglist ,@body))
+ (sb-ext:compiler-note (e)
+ (error "bad compiler note for ~S:~% ~A" ',body e)))
+ (catch :got-note
+ (handler-case
+ (compile nil '(lambda ,arglist (declare (optimize speed))
+ ,@body))
+ (sb-ext:compiler-note (e) (throw :got-note nil)))
+ (error "missing compiler note for ~S" ',body)))))
+ (frob (x) (funcall x))
+ (frob (x y) (find x y))
+ (frob (x y) (find-if x y))
+ (frob (x y) (find-if-not x y))
+ (frob (x y) (position x y))
+ (frob (x y) (position-if x y))
+ (frob (x y) (position-if-not x y))
+ (frob (x) (aref x 0)))
+
+(macrolet ((frob (style-warn-p form)
+ (if style-warn-p
+ `(catch :got-style-warning
+ (handler-case
+ (eval ',form)
+ (style-warning (e) (throw :got-style-warning nil)))
+ (error "missing style-warning for ~S" ',form))
+ `(handler-case
+ (eval ',form)
+ (style-warning (e)
+ (error "bad style-warning for ~S: ~A" ',form e))))))
+ (frob t (lambda (x &optional y &key z) (list x y z)))
+ (frob nil (lambda (x &optional y z) (list x y z)))
+ (frob nil (lambda (x &key y z) (list x y z)))
+ (frob t (defgeneric #:foo (x &optional y &key z)))
+ (frob nil (defgeneric #:foo (x &optional y z)))
+ (frob nil (defgeneric #:foo (x &key y z)))
+ (frob t (defun #:foo (x) (flet ((foo (x &optional y &key z) (list x y z))) (foo x x :z x)))))
+
+;;; this was a bug in the LOGXOR type deriver. The top form gave a
+;;; note, because the system failed to derive the fact that the return
+;;; from LOGXOR was small and negative, though the bottom one worked.
+(handler-bind ((sb-ext:compiler-note #'error))
+ (compile nil '(lambda ()
+ (declare (optimize speed (safety 0)))
+ (lambda (x y)
+ (declare (type (integer 3 6) x)
+ (type (integer -6 -3) y))
+ (+ (logxor x y) most-positive-fixnum)))))
+(handler-bind ((sb-ext:compiler-note #'error))
+ (compile nil '(lambda ()
+ (declare (optimize speed (safety 0)))
+ (lambda (x y)
+ (declare (type (integer 3 6) y)
+ (type (integer -6 -3) x))
+ (+ (logxor x y) most-positive-fixnum)))))
+
+;;; check that modular ash gives the right answer, to protect against
+;;; possible misunderstandings about the hardware shift instruction.
+(assert (zerop (funcall
+ (compile nil '(lambda (x y)
+ (declare (optimize speed)
+ (type (unsigned-byte 32) x y))
+ (logand #xffffffff (ash x y))))
+ 1 257)))
+
+;;; code instrumenting problems
+(compile nil
+ '(lambda ()
+ (declare (optimize (debug 3)))
+ (list (the integer (if nil 14 t)))))
+
+(compile nil
+ '(LAMBDA (A B C D)
+ (DECLARE (NOTINLINE LOGORC1 BYTE MASK-FIELD))
+ (DECLARE
+ (OPTIMIZE (SPEED 1)
+ (SPACE 1)
+ (SAFETY 1)
+ (DEBUG 3)
+ (COMPILATION-SPEED 0)))
+ (MASK-FIELD (BYTE 7 26)
+ (PROGN
+ (TAGBODY (THE INTEGER (CATCH 'CT4 (LOGORC1 C -15950))) 1)
+ B))))
+
+(compile nil
+ '(lambda (buffer i end)
+ (declare (optimize (debug 3)))
+ (loop (when (not (eql 0 end)) (return)))
+ (let ((s (make-string end)))
+ (setf (schar s i) (schar buffer i))
+ s)))
+
+;;; check that constant string prefix and suffix don't cause the
+;;; compiler to emit code deletion notes.
+(handler-bind ((sb-ext:code-deletion-note #'error))
+ (compile nil '(lambda (s x)
+ (pprint-logical-block (s x :prefix "(")
+ (print x s))))
+ (compile nil '(lambda (s x)
+ (pprint-logical-block (s x :per-line-prefix ";")
+ (print x s))))
+ (compile nil '(lambda (s x)
+ (pprint-logical-block (s x :suffix ">")
+ (print x s)))))
+
+;;; MISC.427: loop analysis requires complete DFO structure
+(assert (eql 17 (funcall
+ (compile
+ nil
+ '(lambda (a)
+ (declare (notinline list reduce logior))
+ (declare (optimize (safety 2) (compilation-speed 1)
+ (speed 3) (space 2) (debug 2)))
+ (logior
+ (let* ((v5 (reduce #'+ (list 0 a))))
+ (declare (dynamic-extent v5))
+ v5))))
+ 17)))
+
+;;; MISC.434
+(assert (zerop (funcall
+ (compile
+ nil
+ '(lambda (a b)
+ (declare (type (integer -8431780939320 1571817471932) a))
+ (declare (type (integer -4085 0) b))
+ (declare (ignorable a b))
+ (declare
+ (optimize (space 2)
+ (compilation-speed 0)
+ #+sbcl (sb-c:insert-step-conditions 0)
+ (debug 2)
+ (safety 0)
+ (speed 3)))
+ (let ((*s5* 0))
+ (dotimes (iv1 2 0)
+ (let ((*s5*
+ (elt '(1954479092053)
+ (min 0
+ (max 0
+ (if (< iv1 iv1)
+ (lognand iv1 (ash iv1 (min 53 iv1)))
+ iv1))))))
+ 0)))))
+ -7639589303599 -1368)))
+
+(compile
+ nil
+ '(lambda (a b)
+ (declare (type (integer) a))
+ (declare (type (integer) b))
+ (declare (ignorable a b))
+ (declare (optimize (space 2) (compilation-speed 0)
+ (debug 0) (safety 0) (speed 3)))
+ (dotimes (iv1 2 0)
+ (when (< iv1 2) (print 'x)) ;; request for second constraint propagation pass
+ (print (if (< iv1 iv1)
+ (logand (ash iv1 iv1) 1)
+ iv1)))))
+
+;;; MISC.435: lambda var substitution in a deleted code.
+(assert (zerop (funcall
+ (compile
+ nil
+ '(lambda (a b c d)
+ (declare (notinline aref logandc2 gcd make-array))
+ (declare
+ (optimize (space 0) (safety 0) (compilation-speed 3)
+ (speed 3) (debug 1)))
+ (progn
+ (tagbody
+ (let* ((v2 (make-array nil :initial-element (catch 'ct1 (go tag2)))))
+ (declare (dynamic-extent v2))
+ (gcd (go tag2) (logandc2 (catch 'ct2 c) (aref v2))))
+ tag2)
+ 0)))
+ 3021871717588 -866608 -2 -17194)))
+
+;;; MISC.436, 438: lost reoptimization
+(assert (zerop (funcall
+ (compile
+ nil
+ '(lambda (a b)
+ (declare (type (integer -2917822 2783884) a))
+ (declare (type (integer 0 160159) b))
+ (declare (ignorable a b))
+ (declare
+ (optimize (compilation-speed 1)
+ (speed 3)
+ (safety 3)
+ (space 0)
+ ; #+sbcl (sb-c:insert-step-conditions 0)
+ (debug 0)))
+ (if
+ (oddp
+ (loop for
+ lv1
+ below
+ 2
+ count
+ (logbitp 0
+ (1-
+ (ash b
+ (min 8
+ (count 0
+ '(-10197561 486 430631291
+ 9674068))))))))
+ b
+ 0)))
+ 1265797 110757)))
+
+(assert (zerop (funcall
+ (compile
+ nil
+ ' (lambda (a)
+ (declare (type (integer 0 1696) a))
+ ; (declare (ignorable a))
+ (declare (optimize (space 2) (debug 0) (safety 1)
+ (compilation-speed 0) (speed 1)))
+ (if (logbitp 0 (ash (1- a) (min 11 a))) 0 0)))
+ 805)))
+
+;;; bug #302
+(assert (compile
+ nil
+ '(lambda (s ei x y)
+ (declare (type (simple-array function (2)) s) (type ei ei))
+ (funcall (aref s ei) x y))))
+
+;;; MISC.320: ir1-transform can create an intercomponent reference to
+;;; a DEFINED-FUN.
+(assert (eql 102 (funcall
+ (compile
+ nil
+ '(lambda ()
+ (declare (optimize (speed 3) (space 0) (safety 2)
+ (debug 2) (compilation-speed 0)))
+ (catch 'ct2
+ (elt '(102)
+ (flet ((%f12 () (rem 0 -43)))
+ (multiple-value-call #'%f12 (values))))))))))
+
+;;; MISC.437: lost reoptimization after FLUSH-DEST
+(assert (zerop (funcall
+ (compile
+ nil
+ '(lambda (a b c d e)
+ (declare (notinline values complex eql))
+ (declare
+ (optimize (compilation-speed 3)
+ (speed 3)
+ (debug 1)
+ (safety 1)
+ (space 0)))
+ (flet ((%f10
+ (f10-1 f10-2 f10-3
+ &optional (f10-4 (ignore-errors 0)) (f10-5 0)
+ &key &allow-other-keys)
+ (if (or (eql 0 0) t) 0 (if f10-1 0 0))))
+ (complex (multiple-value-call #'%f10 (values a c b 0 0)) 0))))
+ 80043 74953652306 33658947 -63099937105 -27842393)))
+
+;;; bug #351 -- program-error for malformed LET and LET*, including those
+;;; resulting from SETF of LET.
+(dolist (fun (list (compile nil '(lambda () (let :bogus-let :oops)))
+ (compile nil '(lambda () (let* :bogus-let* :oops)))
+ (compile nil '(lambda (x) (push x (let ((y 0)) y))))))
+ (assert (functionp fun))
+ (multiple-value-bind (res err) (ignore-errors (funcall fun))
+ (assert (not res))
+ (assert (typep err 'program-error))))
projects / sbcl.git / blobdiff