X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;f=NEWS;h=8bd29adc64aee5432cae24d9db76fb015fd462d4;hb=c593dc26733b179db6c12c7085ed76b762ac256b;hp=45585c9908915cba281b7a0d22c54702046e65d4;hpb=4fba4f48670186616a081b0fc00076c2174ba77d;p=sbcl.git diff --git a/NEWS b/NEWS index 45585c9..8bd29ad 100644 --- a/NEWS +++ b/NEWS @@ -1,10 +1,106 @@ ;;;; -*- 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 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 type-checks for FIXNUMs when the value + is known to be a signed word on x86 and x86-64. + * 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.) + * optimization: compiler is smarter about delegating argument type checks to + callees. + * 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, and Cyrus Harmon) + * 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. + +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. + * new feature: SB-EXT:GLOBAL proclamation inhibits SPECIAL proclamations for + 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. * optimization: ARRAY-DIMENSION is now faster for multidimensional and non-simple arrays. * optimization: multidimensional array accesses in the absence of type information regarding array rank are approximately 10% faster due to open coding of ARRAY-RANK. + * optimization: result of (FILL (MAKE-ARRAY ...) ...) and (REPLACE + (MAKE-ARRAY ...) ...) can be stack allocated if the result of MAKE-ARRAY + form can be. + * optimization: result of call to VECTOR can now be stack allocated. + * optimization: MAKE-ARRAY with :INITIAL-CONTENTS is now vastly faster + as long as the resulting array is one-dimensional and has a known + element type. In particular, :INITIAL-CONTENTS (LIST ...) where the + length of the list matches the known length of the vector does not + allocate the list as an intermediate step. Ditto for VECTOR and simple + backquoted forms. + * optimization: MAKE-ARRAY can now stack allocate in the presence of + :INITIAL-CONTENTS and :INITIAL-ELEMENT as long as the result has a + known element type, and is known to be simple and one dimensional. + * improvement: SBCL now emits a compiler note where stack allocation was + requested but could not be provided (not in all cases, unfortunately) + * improvement: better MACHINE-VERSION responses. (thanks to Josh Elsasser) + * 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 + (reported by Hubert Kauker) + * bug fix: MAKE-ARRAY for non-zero :INITIAL-ELEMENT always used the + same implementation of FILL to initialize the array, even if a more + efficient one was available (reported by Stas Boukarev, thanks to + Paul Khuong) * bug fix: potential miscompilation of array stack allocation on x86 and x86-64. (reported by Time Tossavainen) * bug fix: some forms of AND, OR, and COND resulted in expansions that could @@ -22,6 +118,14 @@ * bug fix: special variables with a proclaimed specific subtype of FUNCTION could not be assigned to or bound with PROGV. (reported by Lorenz Mösenlechner) + * bug fix: the value of CL:- in the inspector was the previous expression + evaluated rather than the expression being evaluated. + * bug fix: constants can no longer be locally declared special. + * 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