X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;f=tests%2Farith.pure.lisp;h=af1932cce05cf0b57279a17548088b4a95946708;hb=2230ea0c1765a95fd2aa0a8996b3555b93ba3745;hp=f98ba6467a4097ff019a91caf5587ccd73accedc;hpb=1b87bfbe482c555879d2a902e88f9d147ead394e;p=sbcl.git

diff --git a/tests/arith.pure.lisp b/tests/arith.pure.lisp
index f98ba64..af1932c 100644
--- a/tests/arith.pure.lisp
+++ b/tests/arith.pure.lisp
@@ -295,3 +295,67 @@
 (with-test (:name :atanh)
   (assert (= (atanh 0.9d0) 1.4722194895832204d0)))
 
+;; Test some cases of integer operations with constant arguments
+(with-test (:name :constant-integers)
+  (labels ((test-forms (op x y header &rest forms)
+             (let ((val (funcall op x y)))
+               (dolist (form forms)
+                 (let ((new-val (funcall (compile nil (append header form)) x y)))
+                   (unless (eql val new-val)
+                     (error "~S /= ~S: ~S ~S ~S~%" val new-val (append header form) x y))))))
+           (test-case (op x y type)
+             (test-forms op x y `(lambda (x y &aux z)
+                                   (declare (type ,type x y)
+                                            (ignorable x y z)
+                                            (notinline identity)
+                                            (optimize speed (safety 0))))
+                         `((,op x ,y))
+                         `((setf z (,op x ,y))
+                           (identity x)
+                           z)
+                         `((values (,op x ,y) x))
+                         `((,op ,x y))
+                         `((setf z (,op ,x y))
+                           (identity y)
+                           z)
+                         `((values (,op ,x y) y))
+
+                         `((identity x)
+                           (,op x ,y))
+                         `((identity x)
+                           (setf z (,op x ,y))
+                           (identity x)
+                           z)
+                         `((identity x)
+                           (values (,op x ,y) x))
+                         `((identity y)
+                           (,op ,x y))
+                         `((identity y)
+                           (setf z (,op ,x y))
+                           (identity y)
+                           z)
+                         `((identity y)
+                           (values (,op ,x y) y))))
+           (test-op (op)
+             (let ((ub `(unsigned-byte ,sb-vm:n-word-bits))
+                   (sb `(signed-byte ,sb-vm:n-word-bits)))
+               (loop for (x y type) in `((2 1 fixnum)
+                                         (2 1 ,ub)
+                                         (2 1 ,sb)
+                                         (,(1+ (ash 1 28)) ,(1- (ash 1 28)) fixnum)
+                                         (,(+ 3 (ash 1 30)) ,(+ 2 (ash 1 30)) ,ub)
+                                         (,(- -2 (ash 1 29)) ,(- 3 (ash 1 29)) ,sb)
+                                         ,@(when (> sb-vm:n-word-bits 32)
+                                             `((,(1+ (ash 1 29)) ,(1- (ash 1 29)) fixnum)
+                                               (,(1+ (ash 1 31)) ,(1- (ash 1 31)) ,ub)
+                                               (,(- -2 (ash 1 31)) ,(- 3 (ash 1 30)) ,sb)
+                                               (,(ash 1 40) ,(ash 1 39) fixnum)
+                                               (,(ash 1 40) ,(ash 1 39) ,ub)
+                                               (,(ash 1 40) ,(ash 1 39) ,sb))))
+                     do
+                  (test-case op x y type)
+                  (test-case op x x type)))))
+    (mapc #'test-op '(+ - * truncate
+                      < <= = >= >
+                      eql
+                      eq))))