X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;f=NEWS;h=7a162e2beee661abbce7ea92d02aa3ccd0d0e68c;hb=9cbef67c0d16955fc77a555e7ad251d93e206524;hp=c4b3346145d65a1c68d1844cf330dfd53f601e39;hpb=56fd7d95cfadb61a353e8999111a0e2e6a94842b;p=sbcl.git

diff --git a/NEWS b/NEWS
index c4b3346..7a162e2 100644
--- a/NEWS
+++ b/NEWS
@@ -1,14 +1,52 @@
 ;;;; -*- coding: utf-8; -*-
+  * new feature: SB-EXT:ATOMIC-INCF allows atomic incrementation of
+    appropriately typed structure slots without locking.
+  * enhancement: reduced conservativism on GENCGC platforms: on
+    average 45% less pages pinned (measured from SBCL self build).
+  * bug fix: SB-EXT:COMPARE-AND-SWAP on SYMBOL-VALUE can no longer
+    mutate constant symbols or violate declaimed type of the symbol.
+  * bug fix: SB-THREAD:SIGNAL-SEMAPHORE could fail to wakeup threads
+    sleeping on the semaphore in heavily contested semaphores.
+  * bug fix: semaphores and condition variables were not interrupt
+    safe.
+  * bug fix: SB-THREAD:CONDITION-WAIT doesn't allow waits on mutexes
+    owned by other threads anymore.
+
 changes in sbcl-1.0.20 relative to 1.0.19:
   * minor incompatible change: OPTIMIZE qualities
     SB-C::STACK-ALLOCATE-DYNAMIC-EXTENT, SB-C::STACK-ALLOCATE-VECTOR,
     and SB-C::STACK-ALLOCATE-VALUE-CELLS no longer exist. See documentation
     and SB-EXT:*STACK-ALLOCATE-DYNAMIC-EXTENT* for details.
+  * documentation: some slot access efficiency guidelines have been
+    added to the user manual.
   * optimization: ASSOC-IF, ASSOC-IF-NOT, MEMBER-IF, MEMBER-IF-NOT,
     RASSOC, RASSOC-IF, and RASSOC-IF-NOT are now equally efficient
     as ASSOC and MEMEBER.
+  * optimization: calls to ASSOC, MEMBER, and RASSOC can be transformed
+    to more efficient EQ-comparison versions more often.
+  * optimization: enhanced derivation of DOLIST iteration variable type
+    for constant lists.
+  * optimization: constant folding of simple (LIST ...) forms as DOLIST
+    arguments.
   * optimization: runtime lookup of function definitions can be
     elided in more cases, eg: (let ((x 'foo)) (funcall foo)).
+  * optimization: compiler is able to derive the return type of
+    (AREF (THE STRING X) Y) as being CHARACTER.
+  * optimization: CLRHASH on empty hash-tables no longer does pointless
+    work. (thanks to Alec Berryman)
+  * optimization: REPLACE deftransforms don't punt when :START1 or
+    :START2 is given
+  * bug fix: compiling DESTRUCTURING-BIND on constant list arguments
+    no longer emits a code deletion note. (reported by Andrew
+    Gasparovic)
+  * bug fix: bogus odd-number-of-keywords STYLE-WARNINGs from calls to
+    functions with an odd number of &OPTIONAL arguments, a &REST
+    argument, and one or more &KEY arguments at the call site.
+  * bug fix: STYLE-WARNINGs for functions with both &OPTIONAL and &KEY
+    arguments appeared at call sites as well.
+  * bug fix: fixed #425; CLOSE drops input buffers from streams, so
+    READ-LINE &co can no longer read from them afterwards. (reported
+    by Damien Cassou)
   * bug fix: fixed #427: unused local aliens no longer cause compiler
     breakage. (reported by Stelian Ionescu, Andy Hefner and Stanislaw
     Halik)