Planet SBCL

arm64 utf8-strlen: test for null and non-ascii at the same time
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arm64-simd: use a helper function more
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Don't produce a compile time warning for (setf (char string 0) #\é)
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Add a test for character-string-to-utf8
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arm64, character-string-to-utf8: delay newline tracking
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arm64: add sqshrn instructions
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arm64, character-string-to-utf8: faster newline tracking
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Silence one more compiler-note from bignum
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arm64: full unicode encoding in character-string-to-utf8
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Remove debugging and unused code
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assignment-convert: Don't try to be so smart with cleanups.
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read-byte transform: refill the buffer instead of just calling n-bin
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Propagate local call argument types optimistically as well.
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Fix file-position when ansi-stream-in-buffer is used
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Move some code to the caller of external-format-char-size
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Remove ansi-stream-csize-buffer
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Affects		Status	Importance	Assigned to	Bug watch
	sbcl	New	Medium	Charles

Declare that unread-char returns nil
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Change how file-position works on variable encodings
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Affects		Status	Importance	Assigned to	Bug watch
	sbcl	Fix Committed	High	Charles

read-sequence: don't test for lists first
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Use correct test for a slot that can hold fixnum
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Guard a thing with backend-subfeatures
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x86-64: fix debugger access to stack complex double-floats
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ppc, ppc64: add %raw-instance-cas/signed-word
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Affects		Status	Importance	Assigned to	Bug watch
	sbcl	Fix Committed	Undecided	-

Add sb-vm:%atomic-exchange
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x86-64: sign-extend logand constants to make them encodable
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August 10, 2026

SBCL Commits — arm64 utf8-strlen: test for null and non-ascii at the same time

SBCL Commits — arm64-simd: use a helper function more

August 8, 2026

SBCL Commits — Don't produce a compile time warning for (setf (char string 0) #\Ã©)

SBCL Commits — Add a test for character-string-to-utf8

SBCL Commits — arm64, character-string-to-utf8: delay newline tracking

SBCL Commits — arm64: add sqshrn instructions

SBCL Commits — arm64, character-string-to-utf8: faster newline tracking

SBCL Commits — Silence one more compiler-note from bignum

SBCL Commits — arm64: full unicode encoding in character-string-to-utf8

SBCL Commits — Remove debugging and unused code

August 7, 2026

SBCL Commits — assignment-convert: Don't try to be so smart with cleanups.

SBCL Commits — read-byte transform: refill the buffer instead of just calling n-bin

SBCL Commits — Propagate local call argument types optimistically as well.

SBCL Commits — Fix file-position when ansi-stream-in-buffer is used

SBCL Commits — Move some code to the caller of external-format-char-size

SBCL Commits — Remove ansi-stream-csize-buffer

Launchpad Bugs — [2163043] failed AVER: (FUNCTIONAL-LETLIKE-P FUN)

SBCL Commits — Declare that unread-char returns nil

SBCL Commits — Change how file-position works on variable encodings

August 6, 2026

Launchpad Bugs — [2162990] Recent commit has introduced scope bugs around blocks, return-from & tagbody

SBCL Commits — read-sequence: don't test for lists first

SBCL Commits — Use correct test for a slot that can hold fixnum

SBCL Commits — Fix a test

SBCL Commits — Guard a thing with backend-subfeatures

August 5, 2026

SBCL Commits — x86-64: fix debugger access to stack complex double-floats

SBCL Commits — ppc, ppc64: add %raw-instance-cas/signed-word

Launchpad Bugs — [2162932] Stacktrace gives incorrect information on complex double float when input type is declared

SBCL Commits — Add sb-vm:%atomic-exchange

SBCL Commits — x86-64: sign-extend logand constants to make them encodable

August 4, 2026

SBCL Commits — Disable CSE logic