X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;f=NEWS;h=5e77bc57bc7ee1fea38c9ba993b6568c46bc8642;hb=f09f67b4233004079affc70de2ef2d49f27ca91a;hp=64cb027d014763b277c18cd1d364d17989c444ca;hpb=e840f481796d191997a47421d60cd039cd260613;p=sbcl.git diff --git a/NEWS b/NEWS index 64cb027..5e77bc5 100644 --- a/NEWS +++ b/NEWS @@ -1,12 +1,91 @@ ;;;; -*- coding: utf-8; fill-column: 78 -*- + * minor incompatible change: SB-THREAD:JOIN-THREAD-ERROR-THREAD and + SB-THREAD:INTERRUPT-THREAD-ERROR-THREAD have been deprecated in favor + of SB-THREAD:THREAD-ERROR-THREAD. + * new contrib module: SB-QUEUE provides thread-safe lockless FIFO queues. + * new feature: docstrings for local and anonymous functions are no longer + discarded. (thanks to Leslie Polzer) + * new feature: SB-THREAD:SYMBOL-VALUE-IN-THREAD provides access to symbol + values in other threads. + * new feature: SB-INTROSPECT:ALLOCATION-INFORMATION provides information + about object allocation. + * optimization: more efficient complex float and real float operations + on x86-64. + * optimization: division of a real float by a complex float is implemented + with a specialised code sequence. + * optimization: MAKE-INSTANCE with non-constant class-argument but constant + keywords is an order of magnitude faster. + * optimization: MAKE-INSTANCE with constant keyword arguments is x2-4 faster + in the presence of :AROUND or non-standard primary INITIALIZE-INSTANCE + methods, and similarly for non-standard metaclass classes as long as there + are no methods additional on MAKE-INSTANCE. + * optimization: more efficient type-checks for FIXNUMs when the value + is known to be a signed word on x86 and x86-64. + * optimization: compiler now optimizes (EXPT -1 INTEGER), (EXPT -1.0 INTEGER), + and (EXPT -1.0d0 INTEGER) into an ODDP test. (thanks to Stas Boukarev and + Paul Khuong) + * optimization: compiler is smarter about delegating argument type checks to + callees. + * optimization: several character functions are now compiled somewhat more + efficiently. (reported by Lynn Quam) + * optimization: the compiler now derives simple types for LOAD-VALUE-FORMs. + * improvement: less unsafe constant folding in floating point arithmetic, + especially for mixed complex/real -float operations. + * improvement: complex float division is slightly more stable. + * improvement: DESCRIBE output has been reworked to be easier to read and + contains more pertinent information. + * improvement: failure to provide requested stack allocation compiler notes + provided in all cases (requested stack allocation not happening without a + note being issued is now considered a bug.) + * bug fix: SB-POSIX exports the documented types and functions + FILE-DESCRIPTOR and FILENAME, and also the corresponding -DESCRIPTOR + types. (reported by "abhi") + * bug fix: on 64 bit platforms FILL worked incorrectly on arrays with + upgraded element type (COMPLEX SINGLE-FLOAT), regression from 1.0.28.55. + (thanks to Paul Khuong) + * bug fix: looping around HANDLER-CASE could silently consume stack space + on each iteration. (reported by "foobar") + * bug fix: better error signalling when calls to functions seeking elements + from lists (eg. ADJOIN) are compiled with both :TEST and :TEST-NOT. + (reported by Tobias Rittweiler) + * bug fix: regressions in DIRECTORY from 1.0.28.61: pattern matching of + directory components now works as it used to. (various prolems reported by + Michael Becker, Gabriel Dos Reis, Cyrus Harmon, and Harald Hanche-Olsen) + * bug fix: :PTY option in RUN-PROGRAM was broken with stream arguments. + (reported by Elliot Slaughter, thanks to Stas Boukarev) + * bug fix: bogus undefined variable warnings from fopcompiled references to + global variables. (thanks to Lars Rune Nøstdal) + * bug fix: foreign function names should now appear in backtraces on + FC6 as well. (reported by Tomasz Skutnik and obias Rautenkranz) + * bug fix: SETF compiler macro documentation strings are not discarded + anymore. + * bug fix: GENTEMP is now unaffected by pretty printer dispatch table. + (thanks to Alex Plotnick) + * bug fix: SLEEP accepts large integer arguments, truncating them to + SIGNED-WORD on the assumption that sleeping for 68 years is sufficient + for anyone. (reported by Leslie Polzer, thanks to Stas Boukarev) + * bug fix: compiler notes for expensive slot type checks could be emitted + at runtime MAKE-INSTANCE calls. (reported by Samium Gromoff) + +changes in sbcl-1.0.29 relative to 1.0.28: + * IMPORTANT: bug database has moved from the BUGS file to Launchpad + https://bugs.launchpad.net/sbcl + Bugs can be reported directly there, or by sending email to + sbcl-bugs@lists.sourceforge.net + (no subscription required.) * minor incompatible change: under weak type checking policy integer types are weakened less aggressively. * minor incompatible change: SAVE-LISP-AND-DIE :TOPLEVEL function is now allowed to return, which causes SBCL to quit with exit status 0. Previously if the function returned with a small integer return value, that value was accidentally reused as the exit status. + * new feature: SB-EXT:DEFINE-HASH-TABLE-TEST allows defining new arguments + to MAKE-HASH-TABLE :TEST, and MAKE-HASH-TABLE has been extended with + :HASH-FUNCTION argument. Refer to user manual for details. * new feature: SB-EXT:DEFGLOBAL macro allows defining global non-special variables. + * new feature: SB-EXT:GET-TIME-OF-DAY provides access to seconds and + microseconds since the Unix epoch on all platforms. * new feature: SB-EXT:ALWAYS-BOUND proclamation inhibits MAKUNBOUND, and allows the compiler to safely elide boundedness checks for special variables. @@ -14,6 +93,10 @@ the symbol, prohibits both lexical and dynamic binding. This is mainly an efficiency measure for threaded platforms, but also valueable in expressing intent. + * new feature: UNC pathnames are now understood by the system on Windows. + * optimization: the compiler uses a specialized version of FILL when the + element type is know in more cases, making eg. (UNSIGNED-BYTE 8) case + almost 90% faster. * optimization: accesses to potentially non-simple arrays where element type is known are 50% faster. * optimization: compiler now generates faster array typechecking code. @@ -41,6 +124,9 @@ * improvement: pretty-printing loop has been implemented properly. (thanks to Tobias Rittweiler) * documentation: CLOS slot typechecing policy has been documented. + * bug fix: FILE-AUTHOR no longer signals an error on Windows. + * bug fix: SB-SPROF could be foiled by foreign code not have a frame + pointer, leading to memory faults. (thanks to Bart Botta) * bug fix: better floating point exception handling on x86/OpenBSD. (thanks to Josh Elsasser) * bug fix: exit status from QUIT when called under --script was lost @@ -72,6 +158,8 @@ * bug fix: signals delivered to threads started from foreign land (read: directly by pthread_create, not by MAKE-THREAD) are redirected to a Lisp thread by blocking all signals and resignalling. + * bug fix: SHARED-INITIALIZE initialized unbound :ALLOCATION :CLASS slots + from :INITFORM, if any. changes in sbcl-1.0.28 relative to 1.0.27: * a number of bugs in cross-compilation have been fixed, with the ultimate