X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;f=NEWS;h=7f67885e12a52504238abac75a25a45610847b15;hb=1a61f069111cb6f7263852b73eea1bd8cda9ef68;hp=809b1fe91fda0a5e6b19b1d3e2de741780616c61;hpb=0a563d17530ed70d01797289722a660f132855c5;p=sbcl.git diff --git a/NEWS b/NEWS index 809b1fe..7f67885 100644 --- a/NEWS +++ b/NEWS @@ -1,5 +1,178 @@ ;;;; -*- coding: utf-8; fill-column: 78 -*- -changes relative to sbcl-1.0.49: +changes relative to sbcl-1.0.53: + * minor incompatible changes: + ** RENAME-FILE on a symbolic links used to rename the linked-to file instead + of the link. + ** DELETE-DIRECTORY on symbolic link to a directory used to delete the + directory, but now signal an error instead. Use TRUENAME to resolve + the pathname if you wish to delete the linked directory, and DELETE-FILE + if you wish to delete the + ** The internal SB-THREAD::SPINLOCK API has been deprecated, and using + symbols associated with it will trigger a compile-time warning. + * thread-related enhancements: + (This work has been funded by the SBCL Threading 2011 IndieGoGo campaign. + Many thanks to generous donors!) + ** Threading is now more reliable on non-Linux platforms. We still + don't consider threads on non-Linux platforms good enough to + enable them by default, but they're in a clearly better shape now. + ** Deadlines supported now on all platforms. + ** All blocking functions in the threading API now have a :TIMEOUT + argument. + ** Semaphore notification objects have been added to SB-THREAD. + ** SB-CONCURRENCY contrib now includes Allegro-style GATE objects. + ** SB-EXT:COMPARE-AND-SWAP has been extended to support SLOT-VALUE, + STANDARD-INSTANCE-ACCESS, and FUNCALLABLE-STANDARD-INSTANCE-ACCESS. + ** Users can now defined new places usable with SB-EXT:COMPARE-AND-SWAP + using an API anologous to defining new SETFable places. + * enhancement: debug-names of anonymous and local function are more + descriptive. Affects backtraces and SB-SPROF results. (lp#805100) + * enhancement: on GENCGC systems nursery and generation sizes now default to + 5% of dynamic-space size. + * enhancement: on CHENEYGC targets, SB-KERNEL:MAKE-LISP-OBJ now does + the same validation of pointer objects as GENCGC does, instead of a + comparatively weak bounds-check against the heap spaces. + * enhancement: on win32, ABS of complex floats guards better against + overflows. (lp#888410) + * enhancement: RUN-PROGRAM now distinguishes exec() failing from child + process exiting with code 1. (lp#676987) + * enhancement: convenience function SET-SBCL-SOURCE-LOCATION for informing + the system where on the filesystem the SBCL sources themselves are + located. (Thanks to Zach Beane) + * bug fix: on 64-bit targets, atomic-incf/aref does index computation + correctly, even on wide-fixnum builds. (lp#887220) + * bug fix: (directory "foo/*/*.*") did not follow symlinks in foo/ that + resolved to directories. + * bug fix: SB-KERNEL:MAKE-LISP-OBJ on GENCGC no longer categorically + refuses to create SIMPLE-FUN objects. + * bug fix: type mismatch when assigning to lexical variables no longer + result in fasl-dumping internal type objects. (lp#890750) + * bug fix: type mismatch on (setf aref) and function return values no + longer result in fasl-dumping internal type objects. + * bug fix: SB-BSD-SOCKETS issues + ** GET-PROTOCOL-BY-NAME had a significant memory leak. + ** GET-HOST-BY-NAME and GET-HOST-BY-ADDRESS small amounts of memory on + systems with getaddrinfo(). + ** GET-HOST-BY-NAME and GET-HOST-BY-ADDRESS weren't thread or interrupt + safe outside systems with getaddrinfo(). + * bug fix: on 64-bit systems setting the nursery size above 4Gb now works. + (lp#870868) + +changes in sbcl-1.0.53 relative to sbcl-1.0.52: + * enhancement: on 64-bit targets, in src/compiler/generic/early-vm.lisp, + the parameter n-fixnum-tag-bits may now vary from 1 (fixnum = + (signed-byte 63)) to 3 (fixnum = (signed-byte 61)) at build-time. + * enhancement: SB-EXT:WAIT-FOR allows waiting for arbitrary events. + * minor(?) incompatible(?) change: The default fixnum width on 64-bit + targets is now 63 bits (up from 61). + * enhancement: DESCRIBE now reports a lambda-list and source location + for complext setf-expanders. + * bug fix: PUSH, PUSHNEW, POP, REMF, INCF, DECF, DEFINE-MODIFY-MACRO, + GETF, LOGBITP, LDB, and MASK-FIELD now arrange for non-primary values + of multiple-valued places to be set to NIL, instead of signalling an + error (per a careful reading of CLHS 5.1.2.3). + * bug fix: floating-point traps now work on darwin/x86 and /x86-64. + * bug fix: repair crash in x86oid darwin signal handling emulation + when built with certain compilers. + * bug fix: SB-ROTATE-BYTE misrotated to the right when using constant + rotation arguments on x86-64. (lp#882151) + * bug fix: low-level control flow optimisations could result in bogus + code in functions with tail and non-tail calls to local functions on + x86oids. (lp#883500) + * bug fix: on SPARC/:sb-unicode, avoid crashing the assembler by trying + to emit literal characters > (code-char 4095), for comparisons with + constant characters. + * bug fix: ROOM reported only the low 32 bits of dynamic space usage + on 64 bit platforms. (lp#881445) + * bug fix: DELETE-FILE did not MERGE-PATHNAMES, making it possible to + delete the wrong file when using relative pathnames. (lp#882877) + * bug fix: optimized SEARCH of vectors-on-vectors mishandled zero-length + sequences and :KEY NIL. + +changes in sbcl-1.0.52 relative to sbcl-1.0.51: + * enhancement: ASDF has been updated to version 2.017. + * enhancement: the --core command line option now accepts binaries with + an embedded core. + * enhancement: when built with :sb-core-compression, core files (regular + or executable) can be compressed with zlib. Use the :COMPRESSION + argument to SAVE-LISP-AND-DIE to specify a compression level. + * enhancement: --[no-]merge-core-pages determines whether the runtime + hints the operating system that identical core pages between SBCL + processes should share the same physical memory. Default is to only + enable this for compressed cores. + * optimization: SLEEP no longer conses. + * optimization: *PRINT-PRETTY* no longer slows down printing of strings + or bit-vectors when using the standard pretty-print dispatch table. + * bug fix: non-function FTYPE declarations no longer cause a compiler-error. + (lp#738464) + * bug fix: compiler-errors causes by MEMBER types in conjunction with with + AREF, CHAR, etc. (lp#826971) + * bug fix: compiler-errors causes by integer arguments with composed of + multiple ranges to ARRAY-IN-BOUNDS-P. (lp#826970) + * bug fix: ,@ and ,. now signal a read-time error for certain non-list + expressions. (lp#770184) + * bug fix: complex single float literals are correctly aligned when used + as arguments of arithmetic operators. + * bug fix: on 32-bit platforms, rounding of double floats larger than a + fixnum is correct. (reported by Peter Keller) + * bug fix: stray FD-HANDLERs are no longer left lying around after unwinds + from RUN-PROGRAM. (lp#840190, reported by Dominic Pearson; fix from Max + Mikhanosha) + * bug fix: redefining classes such that slots with custom allocation are + added or removed works again. + +changes in sbcl-1.0.51 relative to sbcl-1.0.50: + * minor incompatible change: SB-BSD-SOCKET socket streams no longer + participate in SERVE-EVENT by default: pass :SERVE-EVENTS T to + MAKE-SOCKET-STREAM if using SERVE-EVENT. + * enhancement: added support for socket keepalive timeout intervals + and probe counts on Linux. + * enhancement: building 32-bit SBCL on Linux/x86-64 now works without a + chroot. (Use "SBCL_ARCH=x86 sh make.sh" to build.) + * enhancement: added new toplevel options --quit and --non-interactive + (lp#822712). + * enhancement: the Windows port of SBCL now builds and runs on Wine + (thanks to Anton Kovalenko). + * enhancement: more, and more correct, SSE instruction definitions on + x86-64 (thanks to Alexander Gavrilov). + * enhancement: SB-EXT:SPIN-LOOP-HINT assembles to an instruction designed + to help the processor execute spin loops, when applicable. Currently + implemented for x86 and x86-64. + * optimization: unsigned integer divisions by a constant are implemented + using multiplication (affects CEILING, FLOOR, TRUNCATE, MOD, and REM.) + * optimization: improved type-derivation for LOAD-TIME-VALUE. + * bug fix: correct RIP offset calculation in SSE comparison and shuffle + instructions. (lp#814688) + * bug fix: COERCE to unfinalized extended sequence classes now works. + (reported by Jan Moringen; lp#815155) + * bug fix: a compiler error during typecheck generation, reported by Eric + Marsden. (lp#816564) + * bug fix: obsolete instance protocol fires when shared slots are added + or removed. + * bug fix: fixed-format floating point printing with scaling factors. + (lp#811386) + * bug fix: using GCC >= 4.6 to build SBCL on x86 no longer breaks + backtraces. (lp#818460) + * bug fix: better backtraces for interrupted syscall frames on x86. + (lp#549673) + * bug fix: SSE comparison instructions can be disassembled even when one + operand is in memory. (lp#814702) + * bug fix: incomplete writes when not using SERVE-EVENTS. (lp#820599) + * bug fix: MULTIPLE-VALUE-BIND + VALUES -> LET conversion could lose derived + type information associated with the VALUES form. + * bug fix: broken warnings/errors for type-errors involving LOAD-TIME-VALUE + forms. (lp#823014) + * bug fix: OPEN :IF-EXISTS :APPEND now returns correct FILE-POSITION before + first write (lp#561642). + * bug fix: compiled closures from EVAL could not be DESCRIBEd. (lp#824974) + * bug fix: bound propagation involving conversion of large bignums to + floats no longer signals a SIMPLE-TYPE-ERROR, reported by Lutz Euler. + (lp#819269) + * bug fix: &REST to &MORE conversion still works in unsafe call to known + functions; reported by Lutz Euler (lp#826459). + * bug fix: bogus deadlocks from interrupts and GCs. (lp#807475, regression + since 1.0.48) + +changes in sbcl-1.0.50 relative to sbcl-1.0.49: * enhancement: errors from FD handlers now provide a restart to remove the offending handler. * enhancement: SB-INTROSPECT:FIND-DEFINITION-SOURCE now works on structure @@ -7,12 +180,46 @@ changes relative to sbcl-1.0.49: * enhancement: location of user or system initialization file can now easily be customized for saved cores. See: SB-EXT:*USERINIT-PATHNAME-FUNCTION* and SB-EXT:*SYSINIT-PATHNAME-FUNCTION*. + * enhancement: SB-EXT:MAKE-THREAD accepts an argument list designator for + the thunk, as a keyword argument, :arguments. + * enhancement: constraint propagation is simplified (and sped up) when + COMPILATION-SPEED > SPEED. + * enhancement: SB-ALIEN exports alien type specifiers SIZE-T and OFF-T. + * enhancement: debugger understands &MORE arguments better. + * optimization: extracting bits of a single-float on x86-64 has been + optimized. (lp#555201) + * optimization: MAP and MAP-INTO are more efficient for non-simple vectors, + when (> SPEED SPACE). + * optimization: local call trampolines (x86 and x86-64) are emitted + inline. + * optimization: implicit value cells for dynamic-extent closed-over bindings + on x86 and x86-64 can hold unboxed values as well. + * meta-optimization: improved compilation speed, especially for large + functions. (lp#792363 and lp#394206) * bug fix: bound derivation for floating point operations is now more careful about rounding possibly closing open bounds. (lp#793771) * bug fix: SB-POSIX:SYSCALL-ERROR's argument is now optional. (accidental backwards incompatible change in 1.0.48.27) * bug fix: occasional debugger errors in when a type-error occured in a function with dynamic-extent &rest list. + * bug fix: &optional and &key supplied-p arguments in DEFSTRUCT + boa-construtors can be used to initialized structure slots. + * bug fix: FMAKUNBOUND removes the MACRO-FUNCTION, should one exist. + (lp#795705, regression) + * bug fix: DIRECTORY works better on logical pathnames. + * bug fix: RUN-PROGRAM no longer fails spuriously when argument strings + are of the order of ARRAY-TOTAL-SIZE-LIMIT. (lp#787237) + * bug fix: the compiler no longer constant-folds NaNs in + MAKE-{SINGLE,DOUBLE}-FLOAT. (lp#486812) + * bug fix: FORMAT now handles floating point rounding correct, eg. + (format nil "~,1F" 0.01) => "0.0" instead of "0.01" as previously. + (lp#308961) + * bug fix: style warning during lambda-list introspection of generic + functions with both optional and key argments. + * bug fix: regalloc doesn't barf on unused TNs due to type-directed constant + folding. (lp#729765) + * bug fix: Fixed an off-by-one in MAP-ALLOCATED-OBJECTS that might have caused + infinite loops. changes in sbcl-1.0.49 relative to sbcl-1.0.48: * minor incompatible change: WITH-LOCKED-HASH-TABLE no longer disables