;;;; -*- coding: utf-8; fill-column: 78 -*-
+changes relative to sbcl-1.0.36:
+ * enhancement: Backtrace from THROW to uncaught tag on x86oids now shows
+ stack frame thrown from.
+ * optimization: SLOT-VALUE and (SETF SLOT-VALUE) take advantage of
+ constraint propgation, allowing better compilation eg. when used to
+ access structures with WITH-SLOTS. (lp#520366)
+ * optimization: the compiler is now more aware of the type of the underlying
+ storage vector for multidimensional simple arrays resulting in better code
+ for accessing such arrays.
+ * optimization: passing NIL as the environment argument to TYPEP no longer
+ inhibits optimizing it. (lp#309788)
+ * bug fix: Fix compiler error involving MAKE-ARRAY and IF forms
+ in :INITIAL-CONTENTS. (lp#523612)
+ * bug fix: FUNCTION-LAMBDA-EXPRESSION lost declarations from interpreted
+ functions. (lp#524707)
+ * bug fix: bogus style warnings from certain (SETF SLOT-VALUE) and
+ WITH-SLOTS usages during compilation.
+ * bug fix: SB-C::CLASS-INFO now prints correctly (lp#514762)
+ * enhancement: Can now build with ud2 instead of int3 as trap instruction on
+ all x86oid platforms with :UD2-BREAKPOINTS target feature.
+ * bug fix: Breakpoints now work when using ud2 instead of int3 as trap
+ instruction (tested on x86oid linux with ud2-breakpoints).
+ * bug fix: slam.sh now works on win32.
+
+changes in sbcl-1.0.36 relative to sbcl-1.0.35:
+ * new feature: SB-EXT:TYPEXPAND-1, SB-EXT:TYPEXPAND, and
+ SB-EXT:TYPEXPAND-ALL behave exactly like their MACROEXPAND counterparts
+ but work on type specifiers.
+ * new feature: SB-EXT:DEFINED-TYPE-NAME-P returns whether a symbol is known
+ to name a type specifier.
+ * new feature: SB-EXT:VALID-TYPE-SPECIFIER-P returns whether a given type
+ specifier is valid where "valid" basically means "would be accepted as
+ second argument of TYPEP".
+ * new feature: SB-INTROSPECT:FUNCTION-TYPE takes a function-designator and
+ returns the function's declared, or derived FTYPE.
+ * new feature: SB-POSIX now supports accessing the d_ino member of
+ dirent structures. (Thanks to Philipp Marek and Pierre THEIRRY)
+ * new feature: The function SB-EXT:SEED-RANDOM-STATE has been added to
+ provide for seeding a RANDOM-STATE object with user-provided data or
+ from the operating system's PRNG. Also, (MAKE-RANDOM-STATE T) will
+ attempt to initialize the returned state from the operating system's
+ PRNG where possible. (Thanks to Fare Rideau; launchpad bug lp#310116)
+ * bug fix: Fix SB-SIMPLE-STREAMS:READ-VECTOR to correctly set the
+ FILE-POSITION of the stream being read from. (launchpad bug lp#491087)
+ * bug fix: Fix grammar and style issues for the docstrings of
+ printer-related variables and functions. (Thanks to mon_key; launchpad
+ bug lp#518696)
+ * bug fix: Fix compilation on chenygc platforms. Thanks to Larry Valkama and
+ Bruce O'Neel.
+ * bug fix: SB-THREAD:CONDITION-WAIT sometimes signaled a deadline twice
+ in a row even though a handler defered the deadline long into the
+ future. (lp#512914)
+ * bug fix: A deadline handler was run without interrupts enabled for a
+ deadline signaled within SB-THREAD:CONDITION-WAIT. That could result
+ in infinitely spinning, non-killable threads.
+ * bug fix: Backtrace from internal-errors on x86-64 os x was truncated
+ before reaching the erring stack frame.
+ * bug fix: Fix type derivation for EXPT when raising a fixnum to a
+ real power. (launchpad bug lp#525949)
+ * bug fix: Fix SB-EXT:GENERATION-* accessors for generations > 0 on
+ GENCGC platforms. (launchpad bug lp#529014)
+ * bug fix: More robust checks for invalid DEFMETHOD argument specializers.
+ (launchpad bug lp#525916)
+ * bug fix: Fix building on Darwin when sysctl is not in the user's PATH.
+ (Thanks to Robert Goldman)
+
+changes in sbcl-1.0.35 relative to sbcl-1.0.34:
+ * optimization: ROUND with a single single-float or double-float argument
+ is properly inlined when possible.
+ * optimization: Slightly better code is generated for integer<->float
+ conversions and for single-float<->double-float conversions on x86-64.
+ * optimization: SB-ROTATE-BYTE:ROTATE-BYTE now generates more efficient
+ code for 32-bit and 64-bit rotations on x86-64.
+ * bug fix: The install script changes the ownership of directories as well
+ as files for contrib modules using asdf. (thanks to Eugene Ossintsev;
+ launchpad bug lp#508485)
+ * bug fix: TRUNCATE with a single single-float or double-float argument is
+ properly inlined when possible. (launchpad bug lp#489388)
+ * bug fix: Passing a rotation count of zero to SB-ROTATE-BYTE:ROTATE-BYTE
+ no longer causes a compiler error on x86 and ppc.
+ * bug fix: GET-MACRO-CHARACTER bogusly computed its second return value
+ always relative to *READTABLE* rather than the passed argument.
+
+changes in sbcl-1.0.34 relative to sbcl-1.0.33:
+ * minor incompatible change: threading support is now enabled by default
+ on x86[-64] Linux.
+ * enhancement: SB-INTROSPECT:DEFTYPE-LAMBDA-LIST now also works on most
+ builtin types.
+ * enhancement: Errors during compile-time-too processing (i.e. EVAL-WHEN)
+ are now caught and reported just like errors during macroexpansion.
+ * enhancement: SB-POSIX now provides access to tcdrain(), tcflow(),
+ tcflush(), tcgetsid(), and tcsendbreak(). (thanks to Jerry James)
+ * enhancement: ASDF systems can now depends on SB-QUEUE.
+ * fixes and improvements related to Unicode and external formats:
+ ** bug fix: error handling and restart usage in the ucs-2 external format
+ has been improved.
+ ** there is now an implementation of the ucs-4 external format.
+ ** the utf-16 and utf-32 external formats are supported.
+ * bug fix: SB-POSIX wrapper for putenv no longer tries to put lisp strings
+ in the environment. setenv() and unsetenv() are also provided. (reported by
+ Fare Rideau; launchpad bug lp#460455)
+ * bug fix: LOAD of both .fasl and .FASL type files now forces fasl-style
+ loading. This ensures sensible errors for .FASL files from other
+ implementations on case-insensitive filesystems. (reported by Willem
+ Broekema; launchpad bug lp#489417)
+ * bug fix: #p"\\\\" can now be read without error on Win32. (reported by
+ Willem Broekema; launchpad bug lp#489698).
+ * bug fix: some minor code rearrangements to reenable warning-free building
+ from CMUCL (reported by xme@gmx.net; launchpad bug lp#491104)
+ * bug fix: PRINT-OBJECT for clos instances respects the right margin when
+ pretty printing
+ * bug fix: FIND-PACKAGE & DEFPACKAGE were not thread safe. (reported by
+ Attila Lendvai)
+
+changes in sbcl-1.0.33 relative to sbcl-1.0.32:
+ * new port: support added for x86-64 NetBSD. (thanks to Aymeric Vincent)
+ * improvement: support O_LARGEFILE access to files larger than 2GB on
+ x86-64/linux. (thanks to Daniel Janus; launchpad bug lp#453080)
+ * new feature: SB-INTROSPECT:WHO-SPECIALIZES-DIRECTLY to get a list of
+ definitions for methods specializing on the passed class itself.
+ * new feature: SB-INTROSPECT:WHO-SPECIALIZES-GENERALLY to get a list of
+ definitions for methods specializing on the passed class itself, or on
+ subclasses of it.
+ * new build flag: :sb-xref-for-internals; SBCL will collect xref information
+ about itself during the build (e.g. for M-? in Slime), if this flag is
+ enabled in customize-target-features.lisp. This will increase the core
+ size by about 5-6mb, though, so it's mostly interesting to SBCL
+ developers.
+ * new feature: various GENCGC tuning parameters have been experimentally
+ documented and exported from SB-EXT. See documentation for details.
+ * fixes and improvements related to Unicode and external formats:
+ ** the Unicode character database has been upgraded to the
+ Unicode 5.2 standard, giving names and properties to a number of new
+ characters, and providing a few extra characters with case
+ transformations.
+ ** improvement: restarts for providing replacement input/output on coding
+ errors for fd-stream external formats.
+ ** improvement: where :<encoding> is a keyword corresponding to an
+ external format the system supports, it is now possible to specify
+ (:<encoding> :replacement <character>) as an external format which will
+ automatically substitute <character> on encoding or decoding errors for
+ streams and for STRING-TO-OCTETS and its inverse. (launchpad bug
+ lp#317072)
+ ** improvement: the file streams underlying the standard streams (such as
+ *STANDARD-INPUT*, *TERMINAL-IO*) are opened with an external format
+ which uses the replacement mechanism to handle encoding errors,
+ preventing various infinite error chains and unrecoverable I/O
+ confusion.
+ ** minor incompatible change: the utf-8 external format now correctly
+ refuses to encode Lisp characters in the surrogate range (char-codes
+ between #xd800 and #xdfff).
+ ** fix a typo preventing conversion of strings into octet vectors
+ in the latin-2 encoding. (reported by Attila Lendvai; launchpad bug
+ lp#471689)
+ ** fix a bug in the octet multibyte handling of decoding errors and the
+ USE-VALUE restart. (launchpad bug lp#314939)
+ ** fix the bug underlying the expected failure in the FORCE-END-OF-FILE
+ restart on fd-stream decoding errors.
+ ** fix a bug in the ATTEMPT-RESYNC fd-stream decoding restart when the
+ error is near the end of file.
+ ** fix a double-error case in unibyte octet conversions, when the first
+ use of USE-VALUE is ignored.
+ ** fix bugs in handling of undefined code points in unibyte encodings.
+ ** fix LISTEN (and consequent hangs in READ-CHAR-NO-HANG) on bivalent
+ streams after an UNREAD-CHAR.
+ * enhancement: SB-INTROSPECT:ALLOCATION-INFORMATION also reports if the
+ object is allocated in a boxed region of dynamic space.
+ * enhancement: SB-POSIX:FORK now signals an error if an attempt to
+ fork with multiple Lisp threads running is made, instead of going
+ ahead with unpredictable consequences. (reported by Leslie Polzer)
+ * bug fix: uses of slot accessors on specialized method parameters within
+ the bodies of SLOT-VALUE-USING-CLASS methods no longer triggers a type
+ error while finalizing the class. This fix may cause classes with slot
+ accessors to be finalized later than previously. (reported by Lars Rune
+ Nøstdal; launchpad bug lp#473699)
+ * bug fix: restore buildability on the MIPS platform. (regression from
+ 1.0.30.38, reported by Samium Gromoff)
+ * bug fix: inspecting closures is less likely to fail with a type error.
+ * bug fix: no timer starvation when setting the system clock back.
+ (launchpad bug lp#460283)
+ * bug fix: WITH-STANDARD-IO-SYNTAX now binds *PRINT-PPRINT-DISPATCH* to the
+ standard pprint dispatch table as specified by CLHS.
+ * bug fix: give CLISP a hint about a type declaration to enable it to build
+ the cross-compiler without warnings. (thanks to Josh Elasser; launchpad
+ bug lp#396597)
+ * bug fix: correctly dump literal objects in defaulting forms of arglists.
+ (reported by Attila Lendvai; launchpad bug lp#310132)
+ * bug fix: distinguish in type specifiers between arrays that might be
+ complex and arrays that are definitely complex. (launchpad bug lp#309129)
+ * bug fix: SUBTYPEP knows that the SYMBOL type is not SUBTYPEP the KEYWORD
+ type. (reported by Levente Mészáros; launchpad bug lp#485972)
+ * bug fix: setting the value of a symbol-macro within a method in the
+ presence of type declarations works properly again. (reported by Iban
+ Hatchondo; launchpad bug lp#485019)
+
+changes in sbcl-1.0.32 relative to sbcl-1.0.31:
+ * optimization: faster FIND and POSITION on strings of unknown element type
+ in high SPEED policies. (thanks to Karol Swietlicki)
+ * optimization: faster CONCATENATE 'STRING in low SPEED policies (reported
+ by David Vázquez)
+ * improvement: better error signalling for bogus parameter specializer names
+ in DEFMETHOD forms (reported by Pluijzer)
+ * bug fix: DELETE-FILE once again works on logical pathnames (regression
+ since 1.0.30.49)
+ * bug fix: LOGICAL-PATHNAME signals a TYPE-ERROR if pathspec is specified
+ incorrectly.
+ * bug fix: redefinition of a class via DEFCLASS without :DEFAULT-INITARGS
+ removes previous default initargs (reported by Lars Rune Nøstdal and
+ Samium Gromoff)
+ * bug fix: correct WHO-CALLS information for inlined lambdas with complex
+ lambda-lists. (reported by Peter Seibel)
+ * bug fix: SAVE-LISP-AND-DIE option :SAVE-RUNTIME-OPTIONS did not work
+ correctly when starting from an executable core without saved runtime
+ options (reported by Faré Rideau, thanks to Zach Beane)
+ * bug fix: (SETF SLOT-VALUE) signalled a warning which should have been
+ an optimization note instead. (reported by Martin Cracauer)
+ * bug fix: WITH-SLOTS did not work with THE forms. (thanks to David Tolpin)
+ * bug fix: Have RUN-PROGRAM with :INPUT T only run the subprocess in a
+ new process group if it doesn't need to share stdin with the sbcl
+ process. (thanks to Leslie Polzer)
+ * bug fix: SATISFIES could be misoptimized to refer to a local function.
+ (reported by Stanislaw Halik)
+
+changes in sbcl-1.0.31 relative to sbcl-1.0.30:
+ * improvement: stack allocation is should now be possible in all nested
+ inlining cases: failure to stack allocate when equivalent code is manually
+ open coded is now considered a bug.
+ * improvements related to Unicode:
+ ** the Unicode character database has been upgraded to the
+ Unicode 5.1 standard, giving names and properties to a number of new
+ characters, and providing a few extra characters with case
+ transformations.
+ ** the system now recognizes and produces names for Unicode Hangul
+ syllable characters.
+ ** the EBCDIC-US external-format is now supported for octet operations
+ (as well as for stream operations).
+ * new feature: experimental :EMIT-CFASL parameter to COMPILE-FILE can
+ be used to output toplevel compile-time effects into a separate .CFASL
+ file.
+ * optimization: COERCE to VECTOR, STRING, SIMPLE-STRING and recognizable
+ one-dimenstional subtypes of ARRAY is upto 70% faster when the coercion is
+ actually needed.
+ * optimization: TRUNCATE on known single- and double-floats is upto 25%
+ faster.
+ * optimization: division of floating point numbers by constants uses
+ multiplication by reciprocal when an exact reciprocal exists.
+ * optimization: multiplication of single- and double-floats floats by
+ constant two has been optimized.
+ * optimization: ARRAY-IN-BOUNDS-P is resolved at compile-time when
+ sufficient type information is available. (thanks to Leslie Polzer)
+ * optimization: SLOT-VALUE and (SETF SLOT-VALUE) with constant slot names on
+ known structure objects are as efficient as defstruct generated accessors.
+ * optimization: unused vector creation can now be optimized away.
+ * improvement: ASDF systems can now depends on SB-INTROSPECT.
+ * improvement: a STYLE-WARNING is signalled when a generic function
+ clobbers an earlier FTYPE proclamation.
+ * improvement: the compiler is able to track the effective type of
+ generic function across method addition and removal even in the
+ absence of an explicit DEFGENERIC.
+ * improvement: DESCRIBE now reports on symbols naming undefined
+ but assumed or declared function as well.
+ * improvement: recompilation of systems using SB-GROVEL now works
+ (thanks to Leslie Polzer)
+ * improvements to SB-CLTL2 (thanks to Larry D'Anna):
+ ** functions DECLARATION-INFORMATION, PARSE-MACRO, and ENCLOSE have been
+ documented.
+ ** AUGMENT-ENVIRONMENT and DEFINE-DECLARATION have been implemented.
+ ** DECLARATION-INFORMATION now supports declaration name DECLARATION as
+ well as user defined declaration names.
+ ** VARIABLE-INFORMATION is now aware of alien variables.
+ * improvement: improved address space layout on OpenBSD (thanks to Josh
+ Elsasser)
+ * improvement: pretty-printing of various Lisp forms has been improved
+ (thanks to Tobias Rittweiler)
+ * bug fix: calls to DECODE-FLOAT and INTEGER-DECODE-FLOAT whose value was
+ unused were deleted in safe code. (reported by John Fremlin)
+ * bug fix: a failing AVER compiling certain MAKE-ARRAY forms. (reported
+ by James Wright)
+ * bug fix: some out-of-line array predicates were missing (reported by
+ Stelian Ionescu)
+ * bug fix: a failing AVER in CONVERT-MV-CALL has been fixed. (thanks to
+ Larry D'Anna)
+ * bug fix: a failing AVER in %ALLOCATE-CLOSURES conversion has been fixed
+ (thanks to Larry D'Anna)
+ * bug fix: SLEEP supports times over 100 million seconds on long on OpenBSD
+ as well. (reported by Josh Elsasser)
+ * bug fix: DELETE-FILE on streams no longer closes the stream with :ABORT T,
+ leading to possible attempts to delete the same file twice. See docstring
+ on DELETE-FILE for details. (reported by John Fremlin)
+ * bug fix: DELETE-FILE once again deletes the file named by the pathname
+ designator argument, rather than its truename. (reported by Luis
+ Oliveira)
+ * bug fix: the low-level debugger had 32-bit assumptions and was missing
+ information about some array types. (thanks to Luis Oliveira)
+ * bug fix: moderately complex combinations of inline expansions could
+ be miscompiled if the result was declared to be dynamic extent.
+ * bug fix: on x86, SAP-REF of sizes greater than 8 bits with offsets of the
+ form (+ <variable> <integer>) were miscompiled under certain
+ circumstances.
+ * bug fix: in some cases no compiler note about failure to stack allocate
+ was emitted, even if the objects were in fact heap allocated.
+ * bug fix: minor violation of "otherwise inaccessible" rule for stack
+ allocation could cause objects users might reasonably expect to
+ be heap allocated to be stack allocated.
+ * bug fix: DESCRIBE signalled an error for generic functions under
+ certain circumstances. (thanks to Leslie Polzer)
+ * bug fix: Fixed spelling of an error message.
+
+changes in sbcl-1.0.30 relative to sbcl-1.0.29:
+ * 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: 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.
+ * optimization: constant double and single floats are stored in native
+ unboxed format on x86[-64].
+ * optimization: smarter code for arithmetic operations with constant floats,
+ complex floats, or integers on x86[-64].
+ * optimization: smarter code for conjugate/multiplication of float complexes
+ and abs/negate of floats on x86-64.
+ * optimization: more efficient complex float and real float operations on
+ x86-64.
+ * 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 Tobias 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.
the symbol, prohibits both lexical and dynamic binding. This is mainly an
efficiency measure for threaded platforms, but also valueable in
expressing intent.
- * improvement: SBCL now emits a compiler note where stack allocation was
- requested but could not be provided.
+ * 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
* 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
projects / sbcl.git / blobdiff