X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;f=tests%2Farith.impure.lisp;h=27948bd93f02e19e061df4fc684e062b4017e5ad;hb=1b650be8b800cf96e2c268ae317fb26d0bf36827;hp=e45ab9f1c53802b2b952e8a72f21a953002b4d90;hpb=fcde5281a74cb29e21550f4f979ad6356f149ab9;p=sbcl.git

diff --git a/tests/arith.impure.lisp b/tests/arith.impure.lisp
index e45ab9f..27948bd 100644
--- a/tests/arith.impure.lisp
+++ b/tests/arith.impure.lisp
@@ -67,5 +67,30 @@
 (assert (= (compiled-logxor -6) -6))
 
 (assert (raises-error? (coerce (expt 10 1000) 'single-float) type-error))
+
+(defun are-we-getting-ash-right (x y)
+  (declare (optimize speed)
+	   (type (unsigned-byte 32) x)
+	   (type (integer -40 0) y))
+  (ash x y))
 
+(defun what-about-with-constants (x)
+  (declare (optimize speed) (type (unsigned-byte 32) x))
+  (ash x -32))
+
+(dotimes (i 41)
+  (assert (= (are-we-getting-ash-right (1- (ash 1 32)) (- i))
+	     (if (< i 32)
+		 (1- (ash 1 (- 32 i)))
+	         0))))
+
+(assert (= (what-about-with-constants (1- (ash 1 32))) 0))
+
+(defun one-more-test-case-to-catch-sparc (x y)
+  (declare (optimize speed (safety 0))
+	   (type (unsigned-byte 32) x) (type (integer -40 2) y))
+  (the (unsigned-byte 32) (ash x y)))
+
+(assert (= (one-more-test-case-to-catch-sparc (1- (ash 1 32)) -40) 0))
+
 (sb-ext:quit :unix-status 104)