Correct integer-length on fixnums on x86-64 when n-fixnum-tag-bits > 1.

[sbcl.git] / NEWS

diff --git a/NEWS b/NEWS
index 4b3f503..70a2743 100644 (file)
--- a/NEWS
+++ b/NEWS
@@ -3,9 +3,14 @@ changes relative to sbcl-1.1.7:
   * enhancement: RUN-PROGRAM supports a :DIRECTORY argument to set
     the working directory of the spawned process.
     (lp#791800) (patch by Matthias Benkard)
+  * bug fix: type derivation for LOG{AND,IOR,XOR} scales linearly instead
+    of quadratically with the size of the input in the worst case.
+    (lp#1096444)
   * bug fix: handle errors when initializing *default-pathname-defaults*,
     sb-ext:*runtime-pathname*, sb-ext:*posix-argv* on startup, like character
     decoding errors, or directories being deleted.
+  * optimization: faster ISQRT on fixnums and small bignums
+  * optimization: faster and smaller INTEGER-LENGTH on fixnums on x86-64.
 
 changes in sbcl-1.1.7 relative to sbcl-1.1.6:
   * enhancement: TRACE :PRINT-ALL handles multiple-valued forms.