0.8.15.13:

[sbcl.git] / src / compiler / x86 / arith.lisp

diff --git a/src/compiler/x86/arith.lisp b/src/compiler/x86/arith.lisp
index 9e8e07e..ade7689 100644 (file)
--- a/src/compiler/x86/arith.lisp
+++ b/src/compiler/x86/arith.lisp
@@ -1212,6 +1212,14 @@
              fast-ash-c/unsigned=>unsigned)
   (:translate ash-left-mod32))
 
+(define-vop (fast-ash-left-mod32/unsigned=>unsigned
+             fast-ash-left/unsigned=>unsigned))
+(deftransform ash-left-mod32 ((integer count)
+                             ((unsigned-byte 32) (unsigned-byte 5)))
+  (when (sb!c::constant-lvar-p count)
+    (sb!c::give-up-ir1-transform))
+  '(%primitive fast-ash-left-mod32/unsigned=>unsigned integer count))
+
 (in-package "SB!C")
 
 (defknown sb!vm::%lea-mod32 (integer integer (member 1 2 4 8) (signed-byte 32))