Planet SBCL Archives - June, 2026

June, 2026

June, 2026

1st

coerce derive-type: exclude rational types - SBCL Commits

2nd

More thorough type checking for concatenate arguments - SBCL Commits

3rd

check-concatenate: consider each constant value - SBCL Commits

4th

Derive AREF type for multiple uses with constants - SBCL Commits
Add a type deriver for ELT - SBCL Commits
Unify the sequence element-type derivers - SBCL Commits
constant-sequence-element-type: ignore circular lists - SBCL Commits

5th

More constant modification pass-throughs - SBCL Commits
lvar-constants: combine functions and refs from multiple uses - SBCL Commits
Turn (copy-list small-constant) into (list ,@constant) - SBCL Commits
Sketch out a way to trace/intercept foreign calls - SBCL Commits
Add a missing opaque-identity - SBCL Commits

6th

ppc64: fix big-endian ELFv2 build - SBCL Commits

7th

[2155788] Compiler crash when MULTIPLE-VALUE-LIST used in an argument - Launchpad Bugs
arm64: can't call sc-is on unused tns - SBCL Commits

8th

Check types for concatenate-subseq - SBCL Commits

9th

[2156072] Can't run SBCL on macOS Golden Gate - Launchpad Bugs
Change static space address for darwin-arm64 - SBCL Commits
Mix package-id into fun-name hashes - SBCL Commits

10th

Improve receiving some C strings from foreign function on 64-bit Unicode - SBCL Commits
Skip a test - SBCL Commits
[2156347] SBCL fails to compile code with lots of inline and dynamic-extent - Launchpad Bugs
Return constant string from NATURALIZE if length is 0 - SBCL Commits
Don't cons a new list for (length (intersection a b)) - SBCL Commits
[2156394] Error compiling a call to SUBST - Launchpad Bugs
Don't change :test for subst based on the sequence type - SBCL Commits

11th

sb-introspect:function-lambda-list: employ sb-ext:unencapsulated-function - SBCL Commits
arm64: add neon shl - SBCL Commits
describe: call unencapsulated-function - SBCL Commits
[2156454] Cached FASL Files Break Compilation - Launchpad Bugs

12th

arm64: unify some neon and ordinary instructions - SBCL Commits
Speed up DO-CONSET-ELEMENTS using CTZ if available - SBCL Commits
Fix CONSET-ADJOIN and CONSET-UNION - SBCL Commits
Fix do-conset-elements - SBCL Commits
arm64: remove the remaining s- prefixes - SBCL Commits

13th

arm64: always require vector sizes for simd instructions - SBCL Commits

14th

arm64: better umaxv disassembly - SBCL Commits
arm64: add uqsub - SBCL Commits
arm64: implement FMOV <Xd>, <Vn>.D[1] - SBCL Commits

15th

Derive the type of (coerce n `(simple-array ,e (*))) - SBCL Commits

16th

arm64: restore bic, orn disassembly - SBCL Commits
Optimize sb-thread:barrier for arm64 - SBCL Commits

17th

Optimize read-from-c-string/utf-8/lf - SBCL Commits
Don't cons SAPs for sb-alien::c-string-to-string for :utf-8 - SBCL Commits
Fix interpreted calls to c-string-to-string - SBCL Commits

18th

Speed up output-to-c-string/utf-8/lf - SBCL Commits
arm64: implement simd-character-string-utf8-length using NEON - SBCL Commits
amr64: encode movi immediates without requiring manual shifting - SBCL Commits

19th

arm64: optimize simd-character-string-utf8-length - SBCL Commits
arm64: optimize simd-character-string-utf8-length some more - SBCL Commits
arm64: disassemble shifted immediates directly - SBCL Commits

22nd

Add tests for simd-utf8-strlen - SBCL Commits
Adjust a test - SBCL Commits

23rd

[2158033] Manual: Sec. 9.2.3, array ordering - Launchpad Bugs

24th

Add a test for simd-character-string-utf8-length - SBCL Commits
Stop trying to make deterministic standard-class hashes - SBCL Commits
Add a test for output-to-c-string/utf-8/lf - SBCL Commits

25th

arm64: fix simd-copy-utf8-crlf-to-character-string - SBCL Commits
arm64, simd-copy-character-string-to-utf8: use correct lane width - SBCL Commits
arm64-simd: off-by-one in check-ascii - SBCL Commits

26th

arm64/simd-utf8-strlen: use a different register - SBCL Commits

27th

Draft NEWS for sbcl-2.6.6 - SBCL Commits
NEWS - SBCL Commits
Try to defend against releasing binaries with a hash suffix version - SBCL Commits

28th

2.6.6: will be tagged as "sbcl-2.6.6" - SBCL Commits
arm64: unify all float immediates - SBCL Commits
Don't cons constant complexes for local calls - SBCL Commits
arm64: use fmov to move complex immediates - SBCL Commits
arm64: better complex float array VOPs - SBCL Commits
x86-64: remove fp-...-zero-scs - SBCL Commits
x86-64: unify all float immediates - SBCL Commits
x86-64-simd: more compact loading of -1 - SBCL Commits
AVX2 simd-utf8-strlen - SBCL Commits
avx2 simd-character-string-utf8-length - SBCL Commits
arm64: add stX simd multiple structure instructions - SBCL Commits
arm64: implement simd-copy-utf8-sap-to-character-string using NEON - SBCL Commits
sse2 simd-copy-utf8-sap-to-character-string - SBCL Commits
read-from-c-string/utf-8/lf: use memcpy for all-ascii to base-string - SBCL Commits
Unused variable - SBCL Commits
[2158580] Incorrect result from subtraction from a complex constant - Launchpad Bugs
x86-64: fix complex float VOP macros after changing to fp-immediate - SBCL Commits

29th

Remove redundant parameters in x86-64/float.lisp - SBCL Commits
[2158587] Unhandled memory fault in complex subtraction - Launchpad Bugs
x86-64, load-fp-immediate: dispatch on the value, not destination - SBCL Commits
style-warning - SBCL Commits
sb-manual: fix CONVERT-DOCSTRING-PACKAGE-OVERRIDES-TO-PAX - SBCL Commits
sb-manual: readd concepts - SBCL Commits
sb-manual: automatically USE-PAX - SBCL Commits
sb-manual: implement concept indexing - SBCL Commits
make-pax-docs: muffle source location warnings - SBCL Commits
doc: make PAX PDF much shorter - SBCL Commits
sb-manual: add links from/to PAX world - SBCL Commits
manual: arrays are row-major - SBCL Commits
doc: fix compilation on windows - SBCL Commits
sb-manual: add support for [label](uri) and [label][id] - SBCL Commits
Make sb-int:misc-index foldable, flushable - SBCL Commits
delete-no-op-vops: transfer tn-readers too - SBCL Commits

30th

NEON simd-copy-utf8-to-base-string - SBCL Commits
#+ - SBCL Commits
doc: remove unnecessary markup - SBCL Commits
Make DOCUMENTATION strip markup from SBCL definitions - SBCL Commits
arm64: More simd instructions - SBCL Commits
sb-simd: arm64 support - SBCL Commits
arm64: Implement SIMD-PACK - SBCL Commits
sb-simd: Portability fixes - SBCL Commits