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1.0.29.13: relax CAST-EXTERNALLY-CHECKABLE-P a bit
[sbcl.git]
/
src
/
code
/
target-extensions.lisp
diff --git
a/src/code/target-extensions.lisp
b/src/code/target-extensions.lisp
index
f65e25d
..
6963eeb
100644
(file)
--- a/
src/code/target-extensions.lisp
+++ b/
src/code/target-extensions.lisp
@@
-119,3
+119,8
@@
exit(3) directly will circumvent these hooks.")
(%shrink-vector string size)
string)))
,@body))))
(%shrink-vector string size)
string)))
,@body))))
+
+;;; The smallest power of two that is equal to or greater than X.
+(defun power-of-two-ceiling (x)
+ (declare (index x))
+ (ash 1 (integer-length (1- x))))