Planet SBCL Archives - May, 2026

May, 2026

May, 2026

1st

Don't let the CONJUGATE VOPs be overridden by a transform - SBCL Commits
Use linguistically correct terminology - SBCL Commits
Fix typo noticed when grepping for "contest" - SBCL Commits
Bit-pack mutex-owner and state into one slot if #+sb-futex - SBCL Commits
Possibly avoid trying to call nonexistent openpty - SBCL Commits

2nd

Pass header as untagged word in alloc_immobile_fixedobj - SBCL Commits
Restore non-simple strings of length 1 as character designators - SBCL Commits
Add explicit-check to character - SBCL Commits

3rd

[2150831] The sort function handles sequences containing NaN elements inconsistently - Launchpad Bugs
digit-char: prefer a conditional move. - SBCL Commits
Simplify numeric type construction - SBCL Commits

4th

Improve TYPEP for (and some-instance-type (not some-subtype)) - SBCL Commits
sb-x86-64-asm::maybe-note-static-lispobj: use prin1 consistently - SBCL Commits
freebsd-ppc64: add missing FP functions - SBCL Commits
SunOS doesn't have termios.c_ispeed - SBCL Commits

5th

union: use hash-tables for :test #'string=, #'= - SBCL Commits
union: preserve the argument order passed to :test - SBCL Commits
Make sure TYPE-ERRORs have valid DATUM and EXPECTED-TYPE - SBCL Commits

6th

Catch type mismatches when calling XEPs - SBCL Commits
Derive the return type of XEPs - SBCL Commits
block-compilation - SBCL Commits
Don't break specialized-xeps by tail calling them - SBCL Commits
lambda-var-ref-lvar: correctly omit the arg-count var - SBCL Commits
Don't verify-arg-count for XEPs with known calls - SBCL Commits

7th

arm64: don't check types in the length/list VOP with zero safety - SBCL Commits
[2151813] Slow compilation involving backquote - Launchpad Bugs
[2151818] Compiler crashes for fn that calls another with large case statement - Launchpad Bugs

8th

Improve UNION - SBCL Commits
Faster compilation of TYPEP on disjoint numeric types - SBCL Commits

9th

Faster keyword argument checking in CLOS - SBCL Commits

11th

Reduce type checks in invoke-fast-method-call - SBCL Commits

12th

replace: make sure LENGTH is inlined - SBCL Commits

13th

intersection: use hash-tables - SBCL Commits
nintersection and nset-difference do not modify the second list - SBCL Commits

15th

generate-version.sh: don't print version_n_root=0 for branch builds - SBCL Commits
generate-version.sh: don't assume .git/ layout - SBCL Commits
Reduce recursion in sb-walker - SBCL Commits
Do not cons for (when (intersection a b)) - SBCL Commits

16th

Lower (member #\1 str :test #'char-equal) to :test #'char= - SBCL Commits
Lower :tests for more functions - SBCL Commits
Fix argument order for a transform - SBCL Commits
substitute: warn about unfindable items - SBCL Commits
Fix KEEP-OLD restart in ADD-PACKAGE-LOCAL-NICKNAME - SBCL Commits
[2152791] incorrect AVX2 U64.2 shift instructions - Launchpad Bugs
sb-simd: fix shifting of s64.2 and u32.4 - SBCL Commits

17th

Use plain IR1-TOPLEVEL for CL:COMPILE and %SIMPLE-EVAL. - SBCL Commits
Fix TAKE-NEW restart in EXPORT - SBCL Commits
tests: Add a few missing IGNORE declaration in packages.impure.lisp - SBCL Commits

18th

Allow the compile-evaluator to evaluate forms directly. - SBCL Commits
Block compile some compiler related things together. - SBCL Commits
Return one value from (eval `(lambda ())) - SBCL Commits
Muffle compiler notes correctly when compile-evaluating. - SBCL Commits
[2153092] 'symbol' restart in FIND-PACKAGE-RESTARTS doesn't return - Launchpad Bugs

19th

Fix the SYMBOL restart for missing packages - SBCL Commits
Don't incorrectly lower sublis to :test #'eq - SBCL Commits
[2153095] Update sb-smid benchmarks.lisp - Launchpad Bugs

20th

[2153432] failure to compile sbcl-2.6.4 on musl - Launchpad Bugs
Fix accessing debug vars at post-call locations. - SBCL Commits
arm64-arch.c: Fix soft-simulation of some instructions. - SBCL Commits
Restore building sb-posix on musl - SBCL Commits
sb-posix: more robust structure round-trips - SBCL Commits
Work around some Windows issue. - SBCL Commits
arm64: fix arch_do_displaced_inst for LDR - SBCL Commits
arm64, arch_do_displaced_inst: handle ldrsw (literal) - SBCL Commits
arm64, arch_do_displaced_inst: don't lose on prfm (literal) - SBCL Commits
Resolve more potential issues in arch_do_displaced_inst - SBCL Commits

21st

arm64, arch_do_displaced_inst: add SIMD LDR (literal) - SBCL Commits
Avoid a metacircle when finding component names - SBCL Commits

23rd

[2154086] bad thing to be a type specifier: #<SB-KERNEL:NUMERIC-UNION-TYPE (MOD 1114112)> - Launchpad Bugs
Resolve an editing mistake in the char-code type deriver - SBCL Commits
More specifier-type type mismatches - SBCL Commits

24th

Fix a read-char transform - SBCL Commits
Fix off-by-one errors in crlf swar routines - SBCL Commits

26th

Suppress low-level event logging for #-sb-thread - SBCL Commits

28th

Draft NEWS for sbcl-2.6.5 - SBCL Commits

29th

2.6.5: will be tagged as "sbcl-2.6.5" - SBCL Commits
Unbreak generate-version.sh - SBCL Commits
Remove unused instructions in arm64/simd-copy-utf8-crlf-to-base-string - SBCL Commits
Lower :test for search and mismatch - SBCL Commits
(coerce (the (not real) x) y) => (not real) - SBCL Commits
Lower :test for remove-duplicates - SBCL Commits
More coerce type exclusion derivation - SBCL Commits

30th

doc: tweaks - SBCL Commits
Bind *PRINT-READABLY* to NIL when printing TRACE "returned" message - SBCL Commits
Make FDEFINITION not strip encapsulation - SBCL Commits
doc: document sb-introspect - SBCL Commits
doc: improve @code{}ification in the user manual - SBCL Commits
pcl: Remove GDEFINITION - SBCL Commits
Improve reporting of NOTINLINE full calls in make-host-2.lisp - SBCL Commits
doc: define and clean up docstring syntax - SBCL Commits
Housekeeping: whitespace, typos, comments, credits - SBCL Commits
coerce type derivation: preserve simple array dimensions - SBCL Commits
(coerce 1 'list) should signal an error - SBCL Commits
coerce type exclusion: add (and array (not simple-array)) - SBCL Commits