X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;f=NEWS;h=faea9195a78da925cfa3f149153029c4a489064e;hb=1b650be8b800cf96e2c268ae317fb26d0bf36827;hp=a9ed63a83f3944f0d719ad48bf4558515dae74c8;hpb=0728a004f189ca766a215172a31b6c952e4fb162;p=sbcl.git

diff --git a/NEWS b/NEWS
index a9ed63a..faea919 100644
--- a/NEWS
+++ b/NEWS
@@ -1949,12 +1949,12 @@ changes in sbcl-0.8.3 relative to sbcl-0.8.2:
     CERROR and WARN.  (thanks to Gerd Moellmann)
   * New ASDF-INSTALL contrib can be used for automatic download and 
     installation of third-party Lisp code from CCLAN or other sites
-    via CLiki
+    via CLiki.
   * Threaded builds (:SB-THREAD) now support SB-THREAD:INTERRUPT-THREAD,
     which forces another thread to execute a function supplied by the
-    caller
-  * bug 75 fix: WITH-OUTPUT-TO-STRING (and MAKE-STRING-OUTPUT-STREAM) now
-    accept and act upon their :ELEMENT-TYPE keyword argument.
+    caller.
+  * bug 75 fix: WITH-OUTPUT-TO-STRING (and MAKE-STRING-OUTPUT-STREAM)
+    now accept and act upon their :ELEMENT-TYPE keyword argument.
     (reported by Martin Atzmueller, Edi Weitz)
   * bug fix: FILE-POSITION now accepts position designators up to
     ARRAY-DIMENSION-LIMIT or the extreme of the off_t range, whichever
@@ -1973,6 +1973,9 @@ changes in sbcl-0.8.3 relative to sbcl-0.8.2:
     target sequence.  (thanks to Gerd Moellmann)
   * bug fix in threaded builds: the system can now be suspended and
     resumed by shell job control with minimal disruption.
+  * bug fixes in times and timezones >2038AD
+  * better handling of "where is GNU make?" problem in build scripts
+    (thanks to Nikodemus Siivola)
   * new optimization: inside a named function any reference to a
     function with the same name is considered to be a self-reference;
     this behaviour is controlled with SB-C::RECOGNIZE-SELF-CALLS
@@ -1980,6 +1983,8 @@ changes in sbcl-0.8.3 relative to sbcl-0.8.2:
   * new optimization on x86: logical functions and + now have
     optimized (UNSIGNED-BYTE 32) versions, which are automatically
     used when the result is truncated to 32 bits.
+  * VALUES declaration is partially enabled.
+  * fixes in SB-GROVEL (thanks to Andreas Fuchs)
   * fixed some bugs revealed by Paul Dietz' test suite:
     ** The system now obeys the constraint imposed by
        UPGRADED-ARRAY-ELEMENT-TYPE that the upgraded array element
@@ -1988,6 +1993,52 @@ changes in sbcl-0.8.3 relative to sbcl-0.8.2:
     ** ASSOC now ignores NIL elements in an alist.
     ** CEILING now gives the right answer with MOST-NEGATIVE-FIXNUM
        and (1+ MOST-POSITIVE-FIXNUM) answers.
+    ** The addition of a method with invalid qualifiers to a generic
+       function does not cause an error to be signalled immediately;
+       a warning is signalled, and the error is generated only on
+       calling the generic function.
+  * changed .fasl file version number, in part to add type codes for
+    new array subtypes UNSIGNED-BYTE 7, 15, 29, and 31 mandated by 
+    obscure ANSI requirements
+
+changes in sbcl-0.8.4 relative to sbcl-0.8.3:
+  * fixed compiler performance when processing loops with a step >1;
+  * bug fix: DOCUMENTATION now retrieves generic function
+    documentation.  Also, DOCUMENTATION and (SETF DOCUMENTATION)
+    support has been systematized, and now supports the methods
+    specified by ANSI, along with a default method and a method for
+    slot documentation.  (reported by Nathan Froyd)
+  * bug fix: effective methods associated with a generic function are
+    no longer cached over a change of that generic function's method
+    combination.  (reported by Andreas Fuchs)
+  * bug fix: RUN-PROGRAM now does not fail if some element in $PATH
+    names a non-existent directory.  (thanks to Andreas Fuchs)
+  * bug fix: ROUND and TRUNCATE could, under certain circumstances on
+    the PPC platform, lead to stack corruption; this has been fixed.
+    (reported by Rainer Joswig)
+  * bug fix: ASH on an (UNSIGNED-BYTE 32) with a shift of -32 or lower
+    no longer ever returns 1 instead of 0.  (thanks to Lars Brinkhoff)
+  * optimization: restored some effective method precomputation in
+    CLOS (turned off by an ANSI fix in sbcl-0.8.3); the amount of
+    precomputation is now tunable.
+  * optimization: compiler-internal data structure use has been
+    reviewed, and changes have been made that should improve the
+    performance of the compiler by about 20%.
+  * optimization: performance of FILL (and :INITIAL-ELEMENT) on
+    simple-base-strings and simple-bit-vectors is improved.
+  * microoptimization: the compiler is better able to make use of the
+    x86 LEA instruction for multiplication by constants.
+  * bug fix: in some situations compiler did not report usage of
+    generic arithmetic in (SPEED 3) policy.
+  * fixed some bugs revealed by Paul Dietz' test suite:
+    ** the RETURN clause in LOOP is now equivalent to DO (RETURN ...).
+    ** ROUND and FROUND now give the right answer when given very
+       small float arguments.
+    ** (FLOAT X) for X of type DOUBLE-FLOAT now returns X in all
+       circumstances.
+    ** optimizer for (EXPT X 0) did not work for X not of type FLOAT.
+    ** (GCD 0 <negative-integer>) returned <negative-integer>.
+    ** LCM should return a non-negative integer.
 
 planned incompatible changes in 0.8.x:
   * (not done yet, but planned:) When the profiling interface settles