1 ;;;; arithmetic tests with side effects
3 ;;;; This software is part of the SBCL system. See the README file for
6 ;;;; While most of SBCL is derived from the CMU CL system, the test
7 ;;;; files (like this one) were written from scratch after the fork
10 ;;;; This software is in the public domain and is provided with
11 ;;;; absolutely no warranty. See the COPYING and CREDITS files for
12 ;;;; more information.
14 (load "assertoid.lisp")
15 (use-package "ASSERTOID")
17 (defmacro define-compiled-fun (fun name)
19 (declaim (notinline ,name))
20 (defun ,name (&rest args)
21 (declare (optimize safety))
25 (2 (,fun (car args) (cadr args)))
26 (t (apply #',fun args))))))
28 (define-compiled-fun min compiled-min)
29 (define-compiled-fun max compiled-max)
30 (define-compiled-fun + compiled-+)
31 (define-compiled-fun * compiled-*)
32 (define-compiled-fun logand compiled-logand)
33 (define-compiled-fun logior compiled-logior)
34 (define-compiled-fun logxor compiled-logxor)
36 (assert (null (ignore-errors (compiled-min '(1 2 3)))))
37 (assert (= (compiled-min -1) -1))
38 (assert (null (ignore-errors (compiled-min 1 #(1 2 3)))))
39 (assert (= (compiled-min 10 11) 10))
40 (assert (null (ignore-errors (compiled-min (find-package "CL") -5.0))))
41 (assert (= (compiled-min 5.0 -3) -3))
42 (assert (null (ignore-errors (compiled-max #c(4 3)))))
43 (assert (= (compiled-max 0) 0))
44 (assert (null (ignore-errors (compiled-max "MIX" 3))))
45 (assert (= (compiled-max -1 10.0) 10.0))
46 (assert (null (ignore-errors (compiled-max 3 #'max))))
47 (assert (= (compiled-max -3 0) 0))
49 (assert (null (ignore-errors (compiled-+ "foo"))))
50 (assert (= (compiled-+ 3f0) 3f0))
51 (assert (null (ignore-errors (compiled-+ 1 #p"tmp"))))
52 (assert (= (compiled-+ 1 2) 3))
53 (assert (null (ignore-errors (compiled-+ '(1 2 3) 3))))
54 (assert (= (compiled-+ 3f0 4f0) 7f0))
55 (assert (null (ignore-errors (compiled-* "foo"))))
56 (assert (= (compiled-* 3f0) 3f0))
57 (assert (null (ignore-errors (compiled-* 1 #p"tmp"))))
58 (assert (= (compiled-* 1 2) 2))
59 (assert (null (ignore-errors (compiled-* '(1 2 3) 3))))
60 (assert (= (compiled-* 3f0 4f0) 12f0))
62 (assert (null (ignore-errors (compiled-logand #(1)))))
63 (assert (= (compiled-logand 1) 1))
64 (assert (null (ignore-errors (compiled-logior 3f0))))
65 (assert (= (compiled-logior 4) 4))
66 (assert (null (ignore-errors (compiled-logxor #c(2 3)))))
67 (assert (= (compiled-logxor -6) -6))
69 (assert (raises-error? (coerce (expt 10 1000) 'single-float) type-error))
71 (defun are-we-getting-ash-right (x y)
72 (declare (optimize speed)
73 (type (unsigned-byte 32) x)
74 (type (integer -40 0) y))
76 (defun what-about-with-constants (x)
77 (declare (optimize speed) (type (unsigned-byte 32) x))
81 (assert (= (are-we-getting-ash-right (1- (ash 1 32)) (- i))
85 (assert (= (what-about-with-constants (1- (ash 1 32))) 0))
87 (defun one-more-test-case-to-catch-sparc (x y)
88 (declare (optimize speed (safety 0))
89 (type (unsigned-byte 32) x) (type (integer -40 2) y))
90 (the (unsigned-byte 32) (ash x y)))
91 (assert (= (one-more-test-case-to-catch-sparc (1- (ash 1 32)) -40) 0))
94 (eval-when (:compile-toplevel :load-toplevel :execute)
95 (defvar *n-fixnum-bits* (- sb-vm::n-word-bits sb-vm::n-fixnum-tag-bits))
96 (defvar *shifts* (let ((list (list 0
98 (1- sb-vm::n-word-bits)
100 (1+ sb-vm::n-word-bits))))
101 (append list (mapcar #'- list)))))
103 (macrolet ((nc-list ()
104 `(list ,@(loop for i from 0 below (length *shifts*)
105 collect `(frob (nth ,i *shifts*)))))
107 `(list ,@(loop for i from 0 below (length *shifts*)
108 collect `(frob ,(nth i *shifts*))))))
111 `(list x ,y (ash x ,y))))
115 `(list x ,y (ash x ,y))))
117 (defun nc-modular-ash-ub (x)
119 `(list x ,y (logand most-positive-fixnum (ash x ,y)))))
121 (defun c-modular-ash-ub (x)
122 (declare (type (and fixnum unsigned-byte) x)
125 `(list x ,y (logand most-positive-fixnum (ash x ,y)))))
128 (let* ((values (list 0 1 most-positive-fixnum))
129 (neg-values (cons most-negative-fixnum
130 (mapcar #'- values))))
131 (labels ((test (value fun1 fun2)
132 (let ((res1 (funcall fun1 value))
133 (res2 (funcall fun2 value)))
134 (mapcar (lambda (a b)
136 (error "ash failure for ~A vs ~A: ~A not EQUALP ~A"
140 (loop for x in values do
141 (test x 'nc-ash 'c-ash)
142 (test x 'nc-modular-ash-ub 'c-modular-ash-ub))
143 (loop for x in neg-values do
144 (test x 'nc-ash 'c-ash))))
147 (defun 64-bit-logcount (x)
148 (declare (optimize speed) (type (unsigned-byte 54) x))
150 (assert (= (64-bit-logcount (1- (ash 1 24))) 24))
151 (assert (= (64-bit-logcount (1- (ash 1 32))) 32))
152 (assert (= (64-bit-logcount (1- (ash 1 48))) 48))
153 (assert (= (64-bit-logcount (1- (ash 1 54))) 54))
155 (declaim (inline ppc-ldb-2))
157 (defun ppc-ldb-2 (fun value)
158 (declare (type stream socket)
159 (type (signed-byte 32) value)
160 (optimize (speed 3) (safety 0) (space 1) (debug 1)
161 (compilation-speed 0)))
162 (funcall fun (ldb (byte 8 24) value))
163 (funcall fun (ldb (byte 8 16) value))
164 (funcall fun (ldb (byte 8 8) value))
165 (funcall fun (ldb (byte 8 0) value))
168 (defun ppc-ldb-1 (fun)
169 (declare (optimize (speed 3) (safety 0) (space 1) (debug 1)
170 (compilation-speed 0)))
172 for param :across (make-array 1 :initial-element nil)
173 for size :across (make-array 1 :element-type 'fixnum :initial-element 3)
174 do (ppc-ldb-2 fun (if param size -1))))
177 (ppc-ldb-1 (lambda (x)
179 (assert (equal acc '(#xff #xff #xff #xff))))