X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;f=NEWS;h=28f4515d477369cc34bfe65493bf8b706734c7be;hb=1d68d81c3022715f83faeff6ccc9836975783462;hp=0cb943e8ddc2516279de7f8e66e56854327e0608;hpb=f980e90c5539626c007de121278e66acdb91d37c;p=sbcl.git diff --git a/NEWS b/NEWS index 0cb943e..28f4515 100644 --- a/NEWS +++ b/NEWS @@ -2,7 +2,12 @@ changes 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 +23,18 @@ 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) @@ -41,6 +58,16 @@ changes relative to sbcl-1.1.7: failure. (lp#943953) * bug fix: Known bad local calls do not cause strange failures when 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) * 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 @@ -53,6 +80,21 @@ 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. changes in sbcl-1.1.7 relative to sbcl-1.1.6: * enhancement: TRACE :PRINT-ALL handles multiple-valued forms.