teach IR1-TRANSFORM-TYPE-PREDICATE about alien types

[sbcl.git] / NEWS

diff --git a/NEWS b/NEWS
index 92a7af6..75b9204 100644 (file)
--- a/NEWS
+++ b/NEWS
@@ -7,6 +7,7 @@ changes relative to sbcl-1.0.56:
     called with too many arguments.
   * optimization: fewer uses of full calls to signed modular functions.
     (lp#903821)
+  * optimization: typechecking alien values is typically 5 x faster.
   * bug fix: fixed disassembly of some SSE instructions on x86-64.
   * bug fix: SB-SIMPLE-STREAMS signals an error for bogus :CLASS arguments in
     OPEN. (lp#969352, thanks to Kambiz Darabi)