X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;f=NEWS;h=4890f0f99521c6f7ee98f5d8b10d5bcdd879f202;hb=b217b7cf91187be54b758210a4b0ab5503952771;hp=c1d2e3701a4f780802886e0b96a96678f39abf38;hpb=386e90a63e7f9587f7c4d6b9206da72b16dc1361;p=sbcl.git diff --git a/NEWS b/NEWS index c1d2e37..4890f0f 100644 --- a/NEWS +++ b/NEWS @@ -1,4 +1,58 @@ ;;;; -*- coding: utf-8; fill-column: 78 -*- +changes 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. + * 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: 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) + * 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. + ** DECLARATION-INFORMATION now supports declaration name DECLARATION as + well. + * 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: a failing AVER in CONVERT-MV-CALL 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: 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: 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) + +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. @@ -9,8 +63,6 @@ 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 @@ -24,16 +76,27 @@ * 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.) - * optimization: compiler is smarter about delegating argument type checks to - callees. * bug fix: SB-POSIX exports the documented types and functions FILE-DESCRIPTOR and FILENAME, and also the corresponding -DESCRIPTOR types. (reported by "abhi") @@ -53,7 +116,7 @@ * 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) + 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. @@ -61,6 +124,8 @@ * 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