Planet SBCL Archives - August, 2025

August, 2025

September, 2025 >

August, 2025

1st

Derive (coerce (simple-vector 10) 'list) as CONS. - SBCL Commits
Rename. - SBCL Commits
sb-sprof: Allow backtracing from frames on arm64. - SBCL Commits
More compact (make-array :initial-contents unknown-sequence) - SBCL Commits
Add a defknown for vector-nreverse. - SBCL Commits
Don't assert types for inline functions with explicit-check. - SBCL Commits
sprof: don't skip the first frame. - SBCL Commits

2nd

arm64, sprof: don't lose the parent frame. - SBCL Commits
Fix ifdefs - SBCL Commits

3rd

arm64, sprof: better initial frame detection. - SBCL Commits
Fix ifdefs - SBCL Commits
arm64, sprof: handle asm routines. - SBCL Commits

4th

arm64, sprof: handle local calls. - SBCL Commits
debug-dump: correctly record the start of local functions. - SBCL Commits
[2119426] SBCL silently compiles a function with incorrect return value - Launchpad Bugs
arm64, sprof: find lisp callers of foreign code. - SBCL Commits
[2119441] SBCL produces inoptimal code when compiling a loop - Launchpad Bugs

5th

Delete (setf x x) - SBCL Commits

6th

Add declarations to dstate-[gs]etprop - SBCL Commits

7th

Use correct stream - SBCL Commits
Remove a few superfluous lines from thread.h for #+win32 - SBCL Commits
Slightly reduce conditionalization for measuring STW pause - SBCL Commits
Decrease use of STANDALONE_LDB #ifdefs - SBCL Commits
Delete casts without type checks going to returns. - SBCL Commits

8th

Turn up the magic - SBCL Commits
Restrict use of THREAD_STRUCT_SIZE to one file - SBCL Commits
Add thread safety to serve-event handlers operations. - SBCL Commits
Accidental deletion. - SBCL Commits

9th

invoke-handler doesn't actually need thread safety. - SBCL Commits
Remove args from stub function to silence C warning - SBCL Commits

10th

Split libunwind_backtrace into two parts - SBCL Commits
Remove thread_self and thread_equal preprocessor macros - SBCL Commits

11th

Fix "declared 'static' but never defined" for #-sb-thread - SBCL Commits
Delete random single-use declarations from runtime.h - SBCL Commits
Rename a thread slot - SBCL Commits
Print SEMAPHORE more tersely - SBCL Commits
Don't create many anonymous alien struct types. - SBCL Commits

12th

Remove 'attr' arg from create_lisp_thread - SBCL Commits
Rename a feature to :os-provides-thing instead of :avoid- - SBCL Commits
Rename :avoid-clock-gettime - SBCL Commits
Add os-provides-clock-gettime to crossbuild. - SBCL Commits
Better type intersection of negated array types. - SBCL Commits

13th

[2120547] Peephole optimizer transform ALU+test does not fire on X86-64 - Launchpad Bugs
array-complex-intersection2: check for equal rank. - SBCL Commits
Create main SB-THREAD:THREAD before starting lisp initial function - SBCL Commits
Don't call lseek for each file-position. - SBCL Commits
Better return types for unix-read, unix-write. - SBCL Commits
Fix editcore - SBCL Commits
flush-output-buffer: always reset fd-stream-file-position. - SBCL Commits
Revert "Fix editcore" - SBCL Commits
fd-stream-get-file-position: don't cache lseek if the buffer is empty. - SBCL Commits

14th

Remove inter-instruction dependency - SBCL Commits
!ansi-stream-ftell: use fixnum arithmetic. - SBCL Commits
Check the arg type to MAIN-THREAD-P - SBCL Commits
Get rid of %thread-ephemeral-p, just use thread-ephemeral-p - SBCL Commits
x86-64: (< x 0) in a way amenable to further optimizations. - SBCL Commits
x86-64: optimize (> (+/- x y) 0) for signed operations. - SBCL Commits
[2120687] full call to SB-KERNEL:DATA-VECTOR-REF-WITH-OFFSET - Launchpad Bugs
ir1-merge-casts: don't lose the original node type. - SBCL Commits

15th

[2120712] The value -3 is not of type (UNSIGNED-BYTE 32) when binding SB-C::VALUE - Launchpad Bugs
debug-info-for-component: sort lambdas using the right label. - SBCL Commits
x86-64: handle CMOV in the ALU + test optimizer. - SBCL Commits
Optimize (> unsigned-byte 0) - SBCL Commits
x86-64, >-integer-fixnum: handle m-p/n-f - SBCL Commits
x86-64, ALU + test: and/or/xor affect the same flags as TEST. - SBCL Commits
Don't combine-instructions when (> compilation-speed speed) - SBCL Commits
Rebuild xperfecthash files - SBCL Commits
ldb: add set_context - SBCL Commits
ldb: add a command to find component_ptr_from_pc. - SBCL Commits
Define (STEPPING) to work on +- sb-thread and remove thread-stepping - SBCL Commits
Don't skip registers in visit_context_registers. - SBCL Commits
Don't define_var T and NIL at start up. - SBCL Commits

16th

Reduce lock scope when gathering sprof data of running threads - SBCL Commits
[2120759] Incorrect value from form involving LOGBITP - Launchpad Bugs
Fix ldb service thread - SBCL Commits
x86-64, ALU + test: don't forget to compare the sizes. - SBCL Commits
Synchronize input buffer refill for :io streams. - SBCL Commits

17th

Update xperfecthash - SBCL Commits
Fix write-sequence on unbuffered non-blocking streams. - SBCL Commits
Don't synchronize-stream-output on each write. - SBCL Commits
update-lvar-dependencies: don't replace variables with constants. - SBCL Commits

18th

Use preprocessor macros to reduce repetition - SBCL Commits
Add a better way to inform about external type checks in VOPs. - SBCL Commits
Fix the fill-pointer check in %data-vector-pop - SBCL Commits
logand: check for INTEGER while dispatching on fixnum/bignum. - SBCL Commits

19th

Reduce extraneous test output. - SBCL Commits
parallel-exec.sh: optionally delete logs. - SBCL Commits
Add commentary about what should or shouldn't work - SBCL Commits
Transform (evenp (1+ x)) to (oddp x) - SBCL Commits
Unconfuse local var name for 2nd arg of signal handlers - SBCL Commits

20th

Delete obsolete function - SBCL Commits
Declare type of *free-interrupt-context-index* - SBCL Commits
Use nconc on thread-interruptions - SBCL Commits
PCL: resolve a memory reordering issue when writing to method-em-cache - SBCL Commits
Make gethash-concurrency pass on #+win32 - SBCL Commits
Fix spelling - SBCL Commits
(logtest (logand x #xFF) 1) => (logtest x 1) - SBCL Commits
Transform (evenp (1+ x)) without knowing that X is an integer. - SBCL Commits

21st

Github actions: use a different method of restring mtime. - SBCL Commits
Modarith for (logand (+ x 1) m) where x is unknown. - SBCL Commits
Accept immediate offset in (setf sap-ref-lispobj) - SBCL Commits
Fix arm32 build. - SBCL Commits
Add inclusion guard - SBCL Commits
arm64: remove the lognor VOP. - SBCL Commits
arm64: add a modular fun for logandc2 - SBCL Commits
Make sb-aprof output understandable if foreign threads start and stop rapidly - SBCL Commits
[2121171] Unreachable code reached (LOGAND, 1+) - Launchpad Bugs
[2121173] Unreachable code reached (EVENP, 1+) - Launchpad Bugs
Adjust a test. - SBCL Commits
[2121178] loop doesn't terminate when stepped index is multiplied by fraction and stored in array - Launchpad Bugs
splice-fun-args: ignore the derived type of a cast. - SBCL Commits
cut-to-width: ignore the derived type of a cast. - SBCL Commits
Move a variable, fixing aprof failure - SBCL Commits
Don't use integer intervals for a rational constraint. - SBCL Commits
[2121182] Infinite loop in compile of TYPEP on a complicated type - Launchpad Bugs
*-constraint-propagate-back: coerce float bounds to rationals. - SBCL Commits
Record equal source path from macroexpand-1 invoked by macros. - SBCL Commits
Unbreak block-compiled build - SBCL Commits
Fix sb-fasteval - SBCL Commits

22nd

Better %other-pointer-widetag type for (not (simple-array * (*))) - SBCL Commits
Update the canonical intersection of negated array types. - SBCL Commits
Better source locations for SETF places. - SBCL Commits
recover-source-paths: don't combine macroexpanded forms. - SBCL Commits