X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;f=NEWS;h=c099edc4b371ea47cc74791cceaf4c9708e3fc7e;hb=f7ed7e78e455b9a17b902aa030ce897afbe70d71;hp=0c1eb2daa6fd57a9ea9e104b6cd5a26759a7b246;hpb=46f4a60387df5259b0e355169dccd97f541a8c31;p=sbcl.git diff --git a/NEWS b/NEWS index 0c1eb2d..c099edc 100644 --- a/NEWS +++ b/NEWS @@ -1,8 +1,131 @@ ;;;; -*- coding: utf-8; fill-column: 78 -*- -changes relative to sbcl-1.1.7: +changes relative to sbcl-1.1.11: + * enhancement: Add sb-bsd-sockets:socket-shutdown, for calling + shutdown(3). (thanks to Jan Moringen, lp#1207483) + * enhancement: document extensible sequences. (thanks to Jan Moringen, + lp#994528) + * optimization: EQUAL and EQUALP transforms are smarter. + (thanks to Elias Martenson, lp#1220084) + * optimization: CHAR-EQUAL is faster for constant and base-char arguments. + * bug fix: probe-file now can access symlinks to pipes and sockets in + /proc/pid/fd on Linux. (reported by Eric Schulte) + * bug fix: SBCL can now be built on Solaris x86-64. + * bug fix: Floating point exceptions do not persist on Solaris anymore. + * bug fix: (setf . a) is pprinted correctly (reported by Douglas Katzman). + * bug fix: handle compiler-error in LOAD when it's not run from inside EVAL. + (lp#1219601) + * bug fix: SB-GMP:MPZ-POW no longer segfaults given a non-bignum base. + (thanks to Stephan Frank) + * bug fix: space allocation of result bignums in SB-GMP is more accurate. + (thanks to Stephan Frank, lp#1206191) + * bug fix: sb-safepoint can now reliably handle signal interruptions of + foreign code. (lp#1133018) + * bug fix: the compiler-macro for MAKE-INSTANCE when emitting "fallback" + constructors no longer fails to merge actual and default initargs + (thanks to Jan Moringen, lp#1179858) + * bug fix: the compiler-macro for MAKE-INSTANCE when emitting "fallback" + constructors handles non-KEYWORD initialization arguments more correctly. + * bug fix: loading the SB-SIMPLE-STREAMS contributed module no longer + clobbers FILE-NAMESTRING. (thanks to Anton Kovalenko, lp#884603) + * bug fix: class definitions with CPLs inconsistent with their metaclasses + are less likely to destroy the object system's integrity. (lp#309076) + +changes in sbcl-1.1.11 relative to sbcl-1.1.10: + * enhancement: support building the manual under texinfo version 5. + (lp#1189146) + * enhancement: Windows builds no longer display the "Kitten of Death" message. + A warning is instead appended to the regular banner, and may be muted with + --noinform. (lp#728247) + * enhancement: support building under new linker handling of syscalls under + NetBSD. (thanks to Robert Swindells) + * bug fix: undefined function errors are now properly reported on PPC and MIPS. + (regression since 1.1.9) + * bug fix: (funcall (function X junk)) didn't causes an error when X had a + compiler macro. (thanks to Douglas Katzman). + * bug fix: signal a warning when defining a setf-function when a + setf-expander is already present. (thanks to Douglas Katzman). + * bug fix: improved threading on PPC. + * bug fix: ROOM works again on Windows. (lp#1206456) + * bug fix: Streams were flushed even when there was one byte still left in + the buffer. (lp#910213) + * bug fix: OPEN handles correctly when :if-exists and :if-does-not-exist are + either NIL or :ERROR. (reported by Jan Moringen) + +changes in sbcl-1.1.10 relative to sbcl-1.1.9: + * enhancement: ASDF has been updated to 3.0.2. + * optimization: stack frames are packed more efficiently on x86oids, which + ought to reduce the frequency of Methuselahn conservative references (it + certainly helps with gc.impure.lisp / BUG-936304 on x86). + * optimization: on x86 and x86-64, integer negation forms like (- x) are now + recognized in modular arithmetic contexts, and compile to native negate, + rather than going through bignums only to keep the low bits. + * bug fix: Compiling potential modularic arithmetic forms does not cause type + errors when some integer types lack lower or upper bounds. (lp#1199127) + * bug fix: Non-trivial modular arithmetic forms are always cut to the right + bitwidth before being used in a non-modular context. (lp#1199428) + * bug fix: Multiple catch/unwind blocks in a single function are now + allocated in the right stack order on win32. (lp#1072739) + +changes in sbcl-1.1.9 relative to sbcl-1.1.8: + * new feature: the contrib SB-GMP links with libgmp at runtime to speed + up arithmetic on bignums and ratios. (contributed by Stephan Frank) + * enhancement: disassemble now annotates some previously missing static + functions, like LENGTH. + * enhancement: clean.sh now also cleans doc/internals. + * enhancement: SB-EXT:PRINT-SYMBOL-WITH-PREFIX can be used within ~// to + print a symbol with a package prefix. + * enhancement: The debugger and backtracing are more robust against buggy + PRINT-OBJECT methods. + * optimization: calls to static functions on x86-64 use less instructions. + * optimization: compute encode-universal-time at compile time when possible. + * optimization: when referencing internal functions as #'x, don't go through + an indirect fdefn structure. + * optimization: SLEEP doesn't cons on non-immediate floats and on ratios. + * optimization: (mod fixnum) type-checks are performed using one unsigned + comparison, instead of two. + * optimization: enable more modular arithmetic transforms in the presence of + conditionals. + * optimization: bitwise OR forms can now trigger modular arithmetic as well, + when the result is known to be negative. + * optimization: recognize more cases of useless LOGAND/LOGIOR with constants. + * optimization: comparisons between rationals and constant floats or between + integers and constant ratios are now converted to rationals/integers at + compile time. + * optimization: Smaller and faster DOUBLE-FLOAT-LOW-BITS on x86-64. + * bug fix: problems with NCONC type derivation (reported by Jerry James). + * bug fix: EXPT type derivation no longer constructs bogus floating-point + types. (reported by Vsevolod Dyomkin) + * bug fix: sb-bsd-sockets has correct declaration of the canonname field of + addrinfo. (lp#1187041, patch by Jerry James) + * bug fix: uninitialized type-error conditions can now be printed. + (lp#1184586) + * bug fix: tests for sb-bsd-sockets no longer use a predefined port for + listening, allowing several tests to run in parallel. + * bug fix: during disassembly to *COMPILER-TRACE-OUTPUT* instruction + prefixes as used on x86 and x86-64 no longer sometimes print incorrectly. + (lp#1085729) + * bug fix: Specialised SIMD-PACK types can be negated. + * bug fix: Modular arithmetic is more robust. (incidentally fixes another bug + reported by Eric Marsden) + * bug fix: FP return values from foreign calls are always rounded to single + or double float precision on x87. + * bug fix: Known-safe vector access on x86oids should not fail spuriously + when the index is of the form (+ x constant-positive-integer). + * bug fix: Remove GPL-licensed files from source distribution. (lp#1185668) + * bug fix: backtrace printer no longer tries to create very large lists when + the arg-count register is clobberred by other code. (lp#1192929) + * bug fix: x86 should never signal an FP exception while boxing an FP value, + a situation that lands us into ldb. + +changes in sbcl-1.1.8 relative to sbcl-1.1.7: * notice: The implementation of MAP-ALLOCATED-OBJECTS (the heart of ROOM, plus a few SB-INTROSPECT functions) has been completely - rewritten, it may now exhibit different bugs than before. + rewritten; it may now exhibit different bugs than before. + * new feature: minimal runtime/compiler intrastructure support for SSE + SIMD values, as SB-EXT:SIMD-PACK. Enabled on x86-64 via the build-time + feature :sb-simd-pack. This should enable intrinsics extensions as + libraries, without patching SBCL itself. Thanks to Alexander Gavrilov + for maintaining a branch for so long. * enhancement: RUN-PROGRAM supports a :DIRECTORY argument to set the working directory of the spawned process. (lp#791800) (patch by Matthias Benkard) @@ -18,6 +141,18 @@ changes relative to sbcl-1.1.7: * enhancement: MAP-ALLOCATED-OBJECTS (the heart of ROOM) now walks the heap in a manner similar to the GC rather than its previous ad-hoc scheme, and is therefore no less and possibly more accurate. + * fixes and enhancements related to Unicode: + ** the character database information has been updated to Unicode 6.2; + ** support for canonical and compatibility decomposition of characters has + been added, along with support for primary composition; + ** support for Unicode normalization forms of strings (NFC, NFKC, NFD and + NFKD) has been included; + ** querying the character database for code points not defined by Unicode + gives less wrong answers (lp#1178038, reported by Ken Harris) + * enhancement: print intermediate evaluation results for some ASSERTed + expressions. (lp#789497) (patch by Alexandra Barchunova) + * enhancement: x86-64 disassemblies are annotated with unboxed constant + values when there are references to (RIP-relative) unboxed constants. * bug fix: type derivation for LOG{AND,IOR,XOR} scales linearly instead of quadratically with the size of the input in the worst case. (lp#1096444) @@ -43,6 +178,19 @@ changes relative to sbcl-1.1.7: emitting or dumping code. (lp#504121) * bug fix: Multiply-inlined structure constructor don't cause IR2-time codegen errors: type checks are inserted as necessary. (lp#1177703) + * bug fix: Unsigned modular arithmetic is correctly converted into signed + modular arithemtic (mostly to exploit fixnum-width VOPs). (lp#1026634) + * bug fix: a combination of inlined local function with &optional and + recursion no longer causes undescriptive compiler errors. (lp#1180992) + * bug fix: sub-word BOOLEAN alien types now disregard higher order bits + when testing for non-zero-ness. + * bug fix: (CONCATENATE 'null ...) no longer fails for generic sequences. + (lp#1162301) + * bug fix: Type mismatch for the value of conditional expressions are + correctly reported when detected at compile-time, instead of complaining + about a constant NIL (similar for non-EQ-comparable catch tags). + * bug fix: Referring to INLINE global functions as values should not result + in a compilation failure. (lp#1035721) * optimization: faster ISQRT on fixnums and small bignums * optimization: faster and smaller INTEGER-LENGTH on fixnums on x86-64. * optimization: On x86-64, the number of multi-byte NOP instructions used @@ -55,6 +203,24 @@ changes relative to sbcl-1.1.7: compilation now inline the INVOKE-WITH-SAVED-FP-AND-PC dance. * optimization: ROOM no longer conses so egregiously on non-x86oid systems. + * optimization: associative bitwise operations reassociate patterns like + (f (f x k1) k2) to expose (f x (f k1 k2)). Same for + and * of + rational values. + * optimization: quasiquote expressions now perform more constant folding, + instead of consing equal lists at runtime. (lp#1026439) + * optimization: local call analysis of inlined higher-order function + should converge more quickly, resulting in better code for complex + functions. + * optimization: On x86-64, medium (word-sized but wider than 32 bits) + integer constants are handled more cleverly, especially when they + can be represented as sign-extended (signed-byte 32). (Based on a + patch by Douglas Katzman) + * optimization: IF/IF conversion should reliably result in sane code + when (some of) the results of the inner IF are always false or + always true. + * optimization: On x86oids, variable right shifts of machine words are + compiled into straight SAR/SHR, instead of going through the generic + VOP. (lp#1066204) changes in sbcl-1.1.7 relative to sbcl-1.1.6: * enhancement: TRACE :PRINT-ALL handles multiple-valued forms.