X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;f=NEWS;h=e1b19d18fb47049e21b0052a1a5dd92dec7cbb09;hb=491b5526abbcb1cfac2274aa5c6dce33ee3ed7e4;hp=28f9f94af42d8039347dcb23f7f86338fe46ec02;hpb=f25039178959a9b302b3399dd04a4d7ba492674d;p=sbcl.git diff --git a/NEWS b/NEWS index 28f9f94..e1b19d1 100644 --- a/NEWS +++ b/NEWS @@ -1,8 +1,54 @@ ;;;; -*- coding: utf-8; fill-column: 78 -*- -changes relative to sbcl-1.1.7: +changes relative to sbcl-1.1.8: + * enhancement: disassemble now annotates some previously missing static + functions, like LENGTH. + * enhancement: clean.sh now also cleans doc/internals. + * 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) + +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. + * 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) @@ -27,7 +73,9 @@ changes relative to sbcl-1.1.7: ** 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) + 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) @@ -61,6 +109,11 @@ changes relative to sbcl-1.1.7: 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 @@ -78,6 +131,19 @@ changes relative to sbcl-1.1.7: 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.